156 results on '"Thai, Giang"'
Search Results
2. Enhancing agency and empowerment in agricultural development projects: A synthesis of mixed methods impact evaluations from the Gender, Agriculture, and Assets Project, Phase 2 (GAAP2)
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Quisumbing, Agnes, Meinzen-Dick, Ruth, Malapit, Hazel, Dione, Malick, Heckert, Jessica, Martinez, Elena M., Pereira, Audrey, Seymour, Greg, van Biljon, Chloe, Vaz, Ana, Elias, Marlène, Mulema, Annet, Myers, Emily, Rubin, Deborah, Go, Ara, Argento, Federica, Ahmed, Akhter, Hannan, Anika, Roy, Shalini, Younus, Masuma, Brauw, Alan de, Dey, Amita, Kramer, Berber, Murphy, Mike, Crookston, Benjamin, Gash, Megan, Gray, Bobbi, Benali, Marwan, Schreinemachers, Pepijn, Sobgui, Caroline, Janzen, Sarah, Joshi, Neena, Magnan, Nicholas, Pradhan, Rajendra, Sharma, Sudhindra, Theis, Sophie, Bellemare, Marc, Casier, Bart, James, Susan, Krause, Brooke, Lardinois, Mathias, McCarthy, Aine, Gabrysch, Sabine, Sinharoy, Sheela, Waid, Jillian, Wendt, Amanda, Josué Awonon, Ganaba, Rasmane, Gelli, Aulo, Martinez, Elena, Pedehombga, Abdoulaye, Sanou, Armande, Zougouri, Sita, Alonso, Silvia, Galiè, Alessandra, Kakota, Tasokwa, Leroy, Jef, Palloni, Giordano, Bryan, Elizabeth, Mekonnen, Dawit, Miah, Mamun, Kumar, Neha, Siraj, Saiqa, Alemu, Mihret, Boonabaana, Brenda, Paula de la Ocampo, Ana, Kaaria, Susan, Hillesland, Marya, Mane, Erdgin, Slavchevska, Vanya, Choudhury, Avijit, Khetan, Madhu, Raghunathan, Kalyani, Thai, Giang, Quisumbing, Agnes R., Malapit, Hazel J., Doss, Cheryl, Johnson, Nancy, and Ramani, Gayathri
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- 2024
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3. Ammonia gas-sensing behavior of uniform nanostructured PPy film prepared by simple-straightforward in situ chemical vapor oxidation
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Van Nguyen Khong, Trung Bui Ha, Van Tuan Chu, Doanh Sai Cong, Vu Tung Duy, Trung Tran, Thai Giang Hong, Giang Ho Truong, and Hien Hoang Thi
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conducting polymer ,chemical vapor polymerization ,nanostructured polypyrrole ,room temperature nh3 gas sensing ,Physics ,QC1-999 - Abstract
A highly uniform nanostructured polypyrrole (PPy) film prepared by a simple, straightforward in situ route of chemical vapor oxidation has been demonstrated as a sensitive substrate for NH3 gas sensing. The structure of PPy film was investigated by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD). The binding characteristics of the functional groups of the PPy film were examined by Fourier transform infrared and Raman spectroscopy. NH3 sensing properties of the PPy film were evaluated by its resistive response to gas concentrations from 45 to 350 ppm at different temperatures ranging from 25 to 100°C. The sensing response maximum value was 142.6% when exposed to 350 ppm of NH3 gas at room temperature (25°C). The sensing response of PPy film shows an excellent linear relationship and high selectivity toward NH3. The NH3 sensing mechanism is due to the physisorption and chemisorption interactions of NH3 molecules and the adsorptive sites of PPy (polaron and bipolaron charging carriers).
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- 2023
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4. Effect of nanobubbles (oxygen, ozone) on the Pacific white shrimp (Penaeus vannamei), Vibrio parahaemolyticus and water quality under lab conditions
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Nguyen Huu Nghia, Nguyen Thi Nguyen, Phan Trong Binh, Le Thi May, Tong Tran Huy, Pham Thai Giang, Sophie St-Hilaire, and Phan Thi Van
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Ozone nanobubble ,Penaeus vannamei ,Gill morphology ,Vibrio parahaemolyticus ,Water quality ,Aquaculture. Fisheries. Angling ,SH1-691 - Abstract
This study assessed the effects of oxygen and ozone nanobubbles on gill morphology, weight gain, and mortality of Pacific white shrimp (Penaeus vannamei), as well as the level of Vibrio parahaemolyticus and water quality of shrimp culture tanks under lab conditions. Two experiments were carried out with oxygen macrobubble, ozone macrobubble, oxygen nanobubble, ozone nanobubble, and control treatments (air-stone macrobubble). Experiments were done in triplicate in 100 L tanks with 15‰ saline water, and 20 shrimp per tank. Tanks in Experiment 1 were not inoculated with bacteria; tanks in Experiment 2 were inoculated with V. parahaemolyticus at a concentration of 106 CFU/mL. The results revealed that short treatments with ozone nanobubbles had minimal impact on shrimp gills, mortality, and growth rates, reduced V. parahaemolyticus concentration in water compared to the other groups, and improve water quality. These laboratory results indicate that ozone nanobubble treatment may be useful for controlling V. parahaemolyticus. More work is needed to find the best protocol to apply the technology on a commercial scale.
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- 2022
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5. An investigation of the decline in the returns to higher education in Vietnam
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Banh, Thi Hang, primary, Dao, Trang Hong, additional, Glewwe, Paul, additional, and Thai, Giang, additional
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- 2024
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6. A Quasi-Experimental Evaluation of a Nutrition Behavior Change Intervention Delivered Through Women’s Self-Help Groups in Rural India: Impacts on Maternal and Young Child Diets, Anthropometry, and Intermediate Outcomes
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Scott, Samuel, Gupta, Shivani, Menon, Purnima, Raghunathan, Kalyani, Thai, Giang, Quisumbing, Agnes, Prasad, Vandana, Hegde, Aditi, Choudhury, Avijit, Khetan, Madhu, Nichols, Carly, and Kumar, Neha
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- 2022
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7. A Reactor based on P‐N Heterojunction of Polypyrrole and Porous Silicon for Photocatalytic and Electro‐assisted Photocatalytic Performance.
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Thai, Giang Hong, Giang, Ho Truong, Hieu, Ngo Thanh, Thu Do, Thi Anh, Ngan, Pham Quang, Nguyen, Quoc Cuong, Cuong, Dao Huy, Ha, Ngo Ngoc, Nguyen, Truong Giang, and Huy, Nguyen Thanh
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POROUS silicon , *VISIBLE spectra , *CONDUCTING polymers , *SCANNING electron microscopes , *RAMAN scattering - Abstract
In this work, a photoelectrochemical reactor with an anode based on hybrid structure between conducting polymer polypyrrole (PPy) and porous silicon (PSi) was fabricated and utilized to evaluate the photocatalysis and electro‐assisted photocatalysis for degradation of rhodamine B (RhB) solution. The PSi was made of n‐type silicon single‐crystal wafer by the metal‐assisted chemical etching (MACE). The anode PPy/PSi formed following a polymerization of the PPy on the PSi from the vapour‐phase route using oxidant FeCl3. Typical material characterizations of the PPy, PSi and PPy/PSi were investigated via scanning electron microscope (SEM), and spectroscopies of Fourier‐transform infrared (FTIR), Raman scattering and UV‐vis. Under visible light radiation (halogen light with the wavelength region of 400–700 nm), photocatalytic and electro‐assisted photocatalytic processes of the reactor were conducted by degradation of the RhB solution. A heterojunction (p‐n) of the PPy/PSi was proposed to explain the efficient catalytic performance of the reactor. [ABSTRACT FROM AUTHOR]
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- 2024
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8. High NH3 sensing performance of NiO/PPy hybrid nanostructures
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Thi Hien, Hoang, Thi Anh Thu, Do, Quang Ngan, Pham, Hong Thai, Giang, Thanh Trung, Do, Trung, Tran, Minh Tan, Man, and Truong Giang, Ho
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- 2021
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9. Influence of surface morphology and doping of PPy film simultaneously polymerized by vapour phase oxidation on gas sensing
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Hien, Hoang Thi, Van Tuan, Chu, Anh Thu, Do Thi, Ngan, Pham Quang, Thai, Giang Hong, Doanh, Sai Cong, Giang, Ho Truong, Van, Nguyen Duc, and Trung, Tran
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- 2019
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10. Numerical Modeling and Experimental Validation of a Hydrogen/Oxygen Fuel Cell for Underwater Vehicle Applications
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Ha Hiep, Nguyen, primary, Quoc Quan, Nguyen, additional, Hong Thai, Giang, additional, and Thi San, Pham, additional
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- 2023
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11. Can agricultural development projects empower women? A synthesis of mixed methods evaluations using pro-WEAI in the gender, agriculture, and assets project (phase 2) portfolio
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Quisumbing, Agnes R., primary, Meinzen-Dick, Ruth Suseela, primary, Malapit, Hazel J., primary, Seymour, Greg, primary, Heckert, Jessica, primary, Doss, Cheryl, primary, Johnson, Nancy, primary, Rubin, Deborah, primary, Thai, Giang, primary, and Ramani, Gayathri V., primary
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- 2022
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12. Embedding hexanuclear tantalum bromide cluster {Ta6Br12} into SiO2 nanoparticles by reverse microemulsion method
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Chen, Wanghui, Wilmet, Maxence, Truong, Thai Giang, Dumait, Noée, Cordier, Stéphane, Matsui, Yoshio, Hara, Toru, Takei, Toshiaki, Saito, Norio, Nguyen, Thi Kim Ngan, Ohsawa, Takeo, Ohashi, Naoki, Uchikoshi, Tetsuo, and Grasset, Fabien
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- 2018
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13. Surface-plasmon-enhanced ultraviolet emission of Au-decorated ZnO structures for gas sensing and photocatalytic devices
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T. Anh Thu Do, Truong Giang Ho, Thu Hoai Bui, Quang Ngan Pham, Hong Thai Giang, Thi Thu Do, Duc Van Nguyen, and Dai Lam Tran
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Au-decorated ZnO ,carrier dynamics ,gas sensors ,photocatalyst ,SPR effect ,Technology ,Chemical technology ,TP1-1185 ,Science ,Physics ,QC1-999 - Abstract
Pure and Au-decorated sub-micrometer ZnO spheres were successfully grown on glass substrates by simple chemical bath deposition and photoreduction methods. The analysis of scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images, energy-dispersive X-ray spectroscopy (EDS), UV–vis absorption, and photoluminescence (PL) spectra results were used to verify the incorporation of plasmonic Au nanoparticles (NPs) on the ZnO film. Time-resolved photoluminescence (TRPL) spectra indicated that a surface plasmonic effect exists with a fast rate of charge transfer from Au nanoparticles to the sub-micrometer ZnO sphere, which suggested the strong possibility of the use of the material for the design of efficient catalytic devices. The NO2 sensing ability of as-deposited ZnO films was investigated with different gas concentrations at an optimized sensing temperature of 120 °C. Surface decoration of plasmonic Au nanoparticles provided an enhanced sensitivity (141 times) with improved response (τRes = 9 s) and recovery time (τRec = 39 s). The enhanced gas sensing performance and photocatalytic degradation processes are suggested to be attributed to not only the surface plasmon resonance effect, but also due to a Schottky barrier between plasmonic Au and ZnO structures.
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- 2018
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14. Schottky contacts of (Au, Pt)/nanotube-titanates for fast response to NO2 gas at room temperature
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Thu, Do Thi, Hien, Hoang Thi, Thu, Do Thi Anh, Ngan, Pham Quang, Thai, Giang Hong, Tuan, Chu Van, Trung, Tran, and Giang, Ho Truong
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- 2017
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15. Can agricultural development projects empower women? A synthesis of mixed methods evaluations using pro-WEAI in the gender, agriculture, and assets project (phase 2) portfolio
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Malick Dione; Elena M. Martinez; Audrey Pereira; Chloe van Biljon, Ana Vaz; Marlène Elias; Annet Mulema; Ara Go; Federica Argento; Akhter Ahmed; Anika Hannan; Masuma Younus; Alan de Brauw; Amita Dey; Berber Kramer; Mike Murphy; Benjamin Crookston, Megan Gash; Bobbi Gray; Marwan Benali; Pepijn Schreinemachers; Caroline Sobgui; Sarah Janzen, Neena Joshi; Nicholas Magnan; Rajendra Pradhan; Sudhindra Sharma; Sophie Theis; Marc Bellemare; Bart Casier; Susan James; Brooke Krause; Mathias Lardinois; Aine McCarthy; Sabine Gabrysch; Sheela Sinharoy; Jillian Waid; Amanda Wendt; Josué Awonon; Rasmane Ganaba; Aulo Gelli, Elena Martinez; Abdoulaye Pedehombga; Armande Sanou; Sita Zougouri; Silvia Alonso; Alessandra Galiè; Tasokwa Kakota; Jef Leroy; Giordano Palloni; Elizabeth Bryan; Dawit Mekonnen; Mamun Miah; Neha Kumar; Saiqa Siraj; Mihret Alemu; Brenda Boonabaana; Ana Paula de la Ocampo; Susan Kaaria; Marya Hillesland; Erdgin Mane; Vanya Slavchevska; Avijit Choudhury; Madhu Khetan; Neha Kumar; Kalyani Raghunathan, Quisumbing, Agnes R.; Meinzen-Dick, Ruth Suseela; Malapit, Hazel J.; Seymour, Greg; Heckert, Jessica; Doss, Cheryl; Johnson, Nancy; Rubin, Deborah; Thai, Giang; Ramani, Gayathri V.; Myers, Emily; GAAP2 for pro-WEAI Study Team, http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0003-4782-3074 Meinzen-Dick, Ruth; http://orcid.org/0000-0002-7394-8797 Malapit, Hazel; http://orcid.org/0000-0002-2213-0450 Seymour, Greg; http://orcid.org/0000-0002-3022-8298 Heckert, Jessica; https://orcid.org/0000-0003-2269-9505 Thai, Giang; https://orcid.org/0000-0002-8936-1421 Ramani, Gayathri; https://orcid.org/0000-0003-3599-5856 Myers, Emily Camille, Malick Dione; Elena M. Martinez; Audrey Pereira; Chloe van Biljon, Ana Vaz; Marlène Elias; Annet Mulema; Ara Go; Federica Argento; Akhter Ahmed; Anika Hannan; Masuma Younus; Alan de Brauw; Amita Dey; Berber Kramer; Mike Murphy; Benjamin Crookston, Megan Gash; Bobbi Gray; Marwan Benali; Pepijn Schreinemachers; Caroline Sobgui; Sarah Janzen, Neena Joshi; Nicholas Magnan; Rajendra Pradhan; Sudhindra Sharma; Sophie Theis; Marc Bellemare; Bart Casier; Susan James; Brooke Krause; Mathias Lardinois; Aine McCarthy; Sabine Gabrysch; Sheela Sinharoy; Jillian Waid; Amanda Wendt; Josué Awonon; Rasmane Ganaba; Aulo Gelli, Elena Martinez; Abdoulaye Pedehombga; Armande Sanou; Sita Zougouri; Silvia Alonso; Alessandra Galiè; Tasokwa Kakota; Jef Leroy; Giordano Palloni; Elizabeth Bryan; Dawit Mekonnen; Mamun Miah; Neha Kumar; Saiqa Siraj; Mihret Alemu; Brenda Boonabaana; Ana Paula de la Ocampo; Susan Kaaria; Marya Hillesland; Erdgin Mane; Vanya Slavchevska; Avijit Choudhury; Madhu Khetan; Neha Kumar; Kalyani Raghunathan, Quisumbing, Agnes R.; Meinzen-Dick, Ruth Suseela; Malapit, Hazel J.; Seymour, Greg; Heckert, Jessica; Doss, Cheryl; Johnson, Nancy; Rubin, Deborah; Thai, Giang; Ramani, Gayathri V.; Myers, Emily; GAAP2 for pro-WEAI Study Team, and http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0003-4782-3074 Meinzen-Dick, Ruth; http://orcid.org/0000-0002-7394-8797 Malapit, Hazel; http://orcid.org/0000-0002-2213-0450 Seymour, Greg; http://orcid.org/0000-0002-3022-8298 Heckert, Jessica; https://orcid.org/0000-0003-2269-9505 Thai, Giang; https://orcid.org/0000-0002-8936-1421 Ramani, Gayathri; https://orcid.org/0000-0003-3599-5856 Myers, Emily Camille
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- impact evaluation; agricultural development projects
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Non-PR, IFPRI1; CRP2; CRP4; GAAP; Women’s Empowerment in Agriculture Index; DCA; G Cross-cutting gender theme; Agriculture, Nutrition, and Gender Linkages (ANGeL); PRSSP, PHND; EPTD; PIM; A4NH, CGIAR Research Program on Policies, Institutions, and Markets (PIM); CGIAR Research Program on Agriculture for Nutrition and Health (A4NH), Agricultural development projects increasingly include women’s empowerment and gender equality among their objectives, but efforts to evaluate their impact have been stymied by the lack of comparable measures. Moreover, the context-specificity of empowerment implies that a quantitative measure alone will be inadequate to capture the nuances of the empowerment process. The Gender, Agriculture, and Assets Project, Phase 2 (GAAP2), a portfolio of 13 agricultural development projects in nine countries in South Asia and Africa, developed the project-level Women’s Empowerment in Agriculture Index (pro-WEAI) and qualitative protocols for impact evaluations. Pro-WEAI covers three major types of agencies: instrumental, intrinsic, and collective. This paper synthesizes the results of 11 mixed-methods evaluations to assess these projects’ empowerment impacts. The projects implemented the pro-WEAI and its associated qualitative protocols in their impact evaluations. Our synthesis finds mixed, and mostly null impacts on aggregate indicators of women’s empowerment, with positive impacts more likely in the South Asian, rather than African, cases. There were more significant impacts on instrumental agency indicators and collective agency indicators, reflecting the group-based approaches used. We found few significant impacts on intrinsic agency indicators, except for those projects that intentionally addressed gender norms. Quantitative analysis does not show an association between the types of strategies that projects implemented and their impacts, except for capacity building strategies. This finding reveals the limitations of quantitative analysis, given the small number of projects involved. The qualitative studies provide more nuance and insight: some base level of empowerment and forms of agency may be necessary for women to participate in project activities, to benefit or further increase their empowerment. Our results highlight the need for projects to focus specifically on
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- 2022
16. The economic costs of a multisectoral nutrition programme implemented through a credit platform in Bangladesh
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Sustainable Healthy Diets, Thai, Giang; Margolies, Amy; Gelli, Aulo; Kumar, Neha; Sultana, Nasrin; Choo, Esther; Levin, Carol, https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0003-4977-2549 Gelli, Aulo; http://orcid.org/0000-0001-7982-3277 Kumar, Neha, Sustainable Healthy Diets, Thai, Giang; Margolies, Amy; Gelli, Aulo; Kumar, Neha; Sultana, Nasrin; Choo, Esther; Levin, Carol, and https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0003-4977-2549 Gelli, Aulo; http://orcid.org/0000-0001-7982-3277 Kumar, Neha
- Abstract
PR, DCA; IFPRI3; 2 Promoting Healthy Diets and Nutrition for all; Capacity Strengthening; CRP4; ISI, A4NH; PHND, CGIAR Research Program on Agriculture for Nutrition and Health (A4NH), Bangladesh struggles with undernutrition in women and young children. Nutrition-sensitive agriculture programmes can help address rural undernutrition. However, questions remain on the costs of multisectoral programmes. This study estimates the economic costs of the Targeting and Re-aligning Agriculture to Improve Nutrition (TRAIN) programme, which integrated nutrition behaviour change and agricultural extension with a credit platform to support women's income generation. We used the Strengthening Economic Evaluation for Multisectoral Strategies for Nutrition (SEEMS-Nutrition) approach. The approach aligns costs with a multisectoral nutrition typology, identifying inputs and costs along programme impact pathways. We measure and allocate costs for activities and inputs, combining expenditures and micro-costing. Quantitative and qualitative data were collected retrospectively from implementers and beneficiaries. Expenditure data and economic costs were combined to calculate incremental economic costs. The intervention was designed around a randomised control trial. Incremental costs are presented by treatment arm. The total incremental cost was $795,040.34 for a 3.5-year period. The annual incremental costs per household were US$65.37 (Arm 2), USD$114.15 (Arm 3) and $157.11 (Arm 4). Total costs were led by nutrition counselling (37%), agriculture extension (12%), supervision (12%), training (12%), monitoring and evaluation (9%) and community events (5%). Total input costs were led by personnel (68%), travel (12%) and supplies (7%). This study presents the total incremental costs of an agriculture-nutrition intervention implemented through a microcredit platform. Costs per household compare favourably with similar interventions. Our results illustrate the value of a standardised costing approach for comparison with other multisectoral nutrition interventions.
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- 2022
17. A quasi-experimental evaluation of a nutrition behavior change intervention delivered through women’s self-help groups in rural India: Impacts on maternal and young child diets, anthropometry and intermediate outcomes
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Scott, Samuel; Gupta, Shivani; Menon, Purnima; Raghunathan, Kalyani; Thai, Giang; Quisumbing, Agnes R.; Kumar, Neha, http://orcid.org/0000-0002-5564-0510 Scott, Samuel; https://orcid.org/0000-0002-6358-9057 Gupta, Shivani; http://orcid.org/0000-0001-5988-2894 Menon, Purnima; http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-7982-3277 Kumar, Neha, Scott, Samuel; Gupta, Shivani; Menon, Purnima; Raghunathan, Kalyani; Thai, Giang; Quisumbing, Agnes R.; Kumar, Neha, and http://orcid.org/0000-0002-5564-0510 Scott, Samuel; https://orcid.org/0000-0002-6358-9057 Gupta, Shivani; http://orcid.org/0000-0001-5988-2894 Menon, Purnima; http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-7982-3277 Kumar, Neha
- Abstract
PR, IFPRI3; Women Improving Nutrition through Group-based Strategies (WINGS); DCA; 2 Promoting Healthy Diets and Nutrition for all; G Cross-cutting gender theme; POSHAN, PHND; SAR, Background: Women's self-help groups (SHGs) have become one of the largest institutional platforms serving the poor. Nutrition behavior change communication (BCC) interventions delivered through SHGs may improve maternal and child nutrition outcomes. Objective: To understand the effects of a nutrition BCC intervention delivered through SHGs in rural India on intermediate outcomes and nutrition outcomes. Methods: We compared 16 matched blocks where communities were supported to form SHGs and improve livelihoods; 8 blocks received a 3-year nutrition intensive (NI) intervention with nutrition BCC, agriculture- and rights-based information, facilitated by a trained female volunteer; another 8 blocks received standard activities (STD) to support savings/livelihoods. Repeated cross-sectional surveys of mother-child pairs were conducted in 2017-18 (n = 1609 pairs) and 2019-20 (n = 1841 pairs). We matched treatment groups over time and applied difference-in-difference regression models to estimate impacts on intermediate outcomes (knowledge, income, agriculture/livelihoods, rights, empowerment) and nutrition outcomes (child feeding, woman's diet, woman and child anthropometry). Analyses were repeated on households with at least one SHG member. Results: 40% of women were SHG members and 50% were from households with at least one SHG member. Only 10% of women in NI blocks had heard of intervention content at endline. Knowledge improved in both NI and STD groups. There was a positive NI impact on knowledge of timely introduction of animal sourced foods to children (p<0.05) but not on other intermediate outcomes. No impacts were observed for anthropometry or diet indicators except child animal source food consumption (p<0.01). In households with at least one SHG member, there was a positive NI impact on child unhealthy food consumption (p<0.05). Conclusions: Limited impacts may be due to limited exposure or skills of volunteers, and a concurrent national nutrition campaign. Our
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- 2022
18. Potential risks of climate change and tropical storms on ecosystem and clams culture activities in Giao Thuy, Nam Dinh, Vietnam
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Pham Thai, Giang, primary, Dang Thi, Lua, additional, Vu Thi Kieu, Loan, additional, Nguyen Thi Minh, Nguyet, additional, Pham Thi, Thanh, additional, Tong Tran, Huy, additional, Dae Seong, Jeong, additional, and Kyungmin, Han, additional
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- 2023
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19. Evolutionary Algorithm for the Novel RCPSP Scheduling Problem
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Nguyen The, Loc, primary, Dang Quoc, Huu, additional, and Vu Thai, Giang, additional
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- 2023
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20. Signs of recovery: Patterns of livelihoods and food security before and during COVID-19 in rural Bangladesh
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Ahmed, Akhter, primary, Bakhtiar, M. Mehrab, primary, Gilligan, Daniel, primary, Hoddinott, John F., primary, Roy, Shalini, primary, Anowar, Julie, primary, Ghostlaw, Julie, primary, and Thai, Giang, primary
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- 2021
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21. Scale and sustainability: The impact of a women’s self-help group program on household economic well-being in India
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Transforming Agrifood Systems in South Asia, Raghunathan, Kalyani; Kumar, Neha; Gupta, Shivani; Thai, Giang; Scott, Samuel; Choudhury, Avijit; Khetan, Madhu; Menon, Purnima; Quisumbing, Agnes R., http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani; http://orcid.org/0000-0001-7982-3277 Kumar, Neha; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-5988-2894 Menon, Purnima; http://orcid.org/0000-0002-5564-0510 Scott, Samuel, Transforming Agrifood Systems in South Asia, Raghunathan, Kalyani; Kumar, Neha; Gupta, Shivani; Thai, Giang; Scott, Samuel; Choudhury, Avijit; Khetan, Madhu; Menon, Purnima; Quisumbing, Agnes R., and http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani; http://orcid.org/0000-0001-7982-3277 Kumar, Neha; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-5988-2894 Menon, Purnima; http://orcid.org/0000-0002-5564-0510 Scott, Samuel
- Abstract
PR, 4 Transforming Agricultural and Rural Economies; 5 Strengthening Institutions and Governance; G Cross-cutting gender theme; CRP4; ISI; IFPRI3, A4NH; PHND; Poverty, Gender, and Inclusion (PGI); Nutrition, Diets, and Health (NDH); Food and Nutrition Policy, CGIAR Research Program on Agriculture for Nutrition and Health (A4NH), Microfinance groups are a prominent source of small-scale rural credit in many developing countries. In India, evidence of the impact of the now ubiquitous women-only savings and credit self-help groups (SHGs) on household consumption and asset accumulation is inconclusive and based on small-scale interventions. Further, little is known about the sustainability of impacts at scale. We use panel data on close to 2500 households from five states in India to estimate the impact of SHG membership on household expenditure and asset ownership. Over four years, we find small but significant impacts of SHG membership on household expenditure and livestock ownership. Membership duration has a modest effect, suggesting that initial impacts may taper off as the program scales up, though small sample sizes limit our ability to draw inferences. Accompanying evidence on pathways is compelling; related work shows that SHG participation improves information, empowerment, and access to entitlements. While the direct impacts of SHG membership may not suffice to fill gaps in access to credit faced by the rural poor, impacts along these additional pathways could intensify the benefits of these groups.
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- 2023
22. Novel Models for the Prediction of Left Atrial Appendage Thrombus in Patients with Chronic Nonvalvular Atrial Fibrillation
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Do Van Chien, Pham Thai Giang, Pham Truong Son, Le Van Truong, and Pham Nguyen Son
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Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Predicting left atrial appendage thrombus (LAAT) in chronic nonvalvular atrial fibrillation remains challenging despite the fact that several predictive models have been proposed to date. In this study, we sought to develop new and simpler models for LAAT prediction in chronic nonvalvular atrial fibrillation. The study enrolled 144 patients with chronic nonvalvular atrial fibrillation who underwent transesophageal echocardiography for LAAT detection. We examined the association of LAAT incidence with the CHA2DS2-VASc score and echocardiographic parameters pertaining to the left atrium (LA), including diameter, volume index, strain, and strain rate measured on speckle tracking echocardiography. LAAT was found in 24.3% of patients (39/144). The following parameters had good diagnostic performance for LAAT: LA volume index >57 mL (area under the curve (AUC), 0.72; sensitivity, 77.1%; specificity, 64.2%), LA positive strain ≤6.7% in the four-chamber view (AUC, 0.84; sensitivity, 77.1%; specificity, 77.1%), and LA negative strain rate >−0.73 s−1 in the four-chamber view (AUC, 0.83; sensitivity, 85.7%; specificity, 70.6%). The CHA2DS2-VASc score alone had a low predictive value for LAAT in this population (χ2 = 3.53), whereas the combination of CHA2DS2-VASc score with LA volume index had significant association and better predictive value (χ2 = 12.03), and the combination of CHA2DS2-VASc score with LA volume index and LA positive strain or negative strain rate in the four-chamber view had the best predictive ability for LAAT (χ2: 33.47 and 33.48, respectively). We propose two novel and simple models for noninvasive LAAT prediction in patients with chronic nonvalvular atrial fibrillation. These models combine the CHA2DS2-VASc score with LA volume index and LA longitudinal strain parameters measured on speckle tracking echocardiography in the four-chamber view. We hope these simple models can help with decision-making in managing the antithrombotic treatment of such patients, whose risk of stroke cannot be determined solely based on the CHA2DS2-VASc score.
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- 2019
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23. High temperature calcination for analyzing influence of 3d transition metals on gas sensing performance of mixed potential sensor Pt/YSZ/LaMO3 (M = Mn, Fe, Co, Ni)
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Tho, Nguyen Duc, Huong, Do Van, Giang, Ho Truong, Ngan, Pham Quang, Thai, Giang Hong, Thu, Do Thi Anh, Thu, Do Thi, Tuoi, Nguyen Thi Minh, Toan, Nguyen Ngoc, Thang, Pham Duc, and Nhat, Hoang Nam
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- 2016
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24. Evaluation of the left ventricular torsion and twist in patients with chronic heart failure using three dimensional speckle tracking echocardiography
- Author
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Nguyen Thi Kieu Ly, Bui Huong Lan, Pham Truong Son, Pham Thai Giang, and Pham Nguyen Son
- Abstract
Objective: To evaluate the left ventricular torsion deformation in patients with chronic heart failure using 3D speckle tracking echocardiography. Subject and method: From January 2018 to October 2020, a prospective, cross-sectional study with controls was conducted on 110 chronic heart failure patients and 50 healthy people who were treated as inpatients at the Department of Cardiology, 108 Military Central Hospital. Result: The mean age of the group of patients with heart failure was 65.82 ± 11.77, with men accounting for 66.36%, while the mean age of the control group was 65.16 ± 10.24, with men accounting for 68%. The heart failure group's left ventricular torsion parameters were all lower than the control group's: Peak-AR (4.56 ± 2.960 versus 10.41 ± 3.060; p
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- 2023
25. Troubling signs: Patterns of livelihood and food security changes during COVID-19 in rural and urban Bangladesh June-July 2020
- Author
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Ahmed, Akhter, primary, Bakhtiar, M. Mehrab, primary, Ghostlaw, Julie, primary, Gilligan, Daniel, primary, Hoddinott, John F., primary, Roy, Shalini, primary, and Thai, Giang, primary
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- 2020
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26. Visible tunable lighting system based on polymer composites embedding ZnO and metallic clusters: from colloids to thin films
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Thai Giang Truong, Benjamin Dierre, Fabien Grasset, Noriko Saito, Norio Saito, Thi Kim Ngan Nguyen, Kohsei Takahashi, Tetsuo Uchikoshi, Marian Amela-Cortes, Yann Molard, Stéphane Cordier, and Naoki Ohashi
- Subjects
zno ,metal clusters ,luminescence ,colloidal solution ,thin films ,Materials of engineering and construction. Mechanics of materials ,TA401-492 ,Biotechnology ,TP248.13-248.65 - Abstract
The development of phosphor devices free of heavy metal or rare earth elements is an important issue for environmental reasons and energy efficiency. Different mixtures of ZnO nanocrystals with Cs2Mo6I8(OOC2F5)6 cluster compound (CMIF) dispersed into polyvinylpyrrolidone matrix have been prepared by very simple and low cost solution chemistry. The resulting solutions have been used to fabricate highly transparent and luminescent films by dip coating free of heavy metal or rare earth elements. The luminescence properties of solution and dip-coated films were investigated. The luminescence of such a system is strongly dependent on the ratios between ZnO and CMIF amounts, the excitation wavelength and the nature of the system. By varying these two parameters (ratio and wavelength), a large variety of colors, from blue to red as well as white, can be achieved. In addition, differences in the luminescence properties have been observed between solutions and thin films as well as changes of CMIF emission band maximum wavelength. This may suggest some possible interactions between the different luminophore centers, such as energy transfer or ligands exchange on the Mo6 clusters.
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- 2016
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27. Scale and Sustainability: The Impact of a Women’s Self-Help Group Program on Household Economic Well-Being in India
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Raghunathan, Kalyani, primary, Kumar, Neha, additional, Gupta, Shivani, additional, Thai, Giang, additional, Scott, Samuel, additional, Choudhury, Avijit, additional, Khetan, Madhu, additional, Menon, Purnima, additional, and Quisumbing, Agnes, additional
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- 2022
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28. Partially Defatted Hermetia illucens Larva Meal in Diet of Eurasian Perch (Perca fluviatilis) Juveniles
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Vlastimil Stejskal, Hung Quang Tran, Marketa Prokesova, Tatyana Gebauer, Pham Thai Giang, Francesco Gai, and Laura Gasco
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alternative feed ,insect meal ,splenic lipidosis ,economic and environmental sustainability ,Veterinary medicine ,SF600-1100 ,Zoology ,QL1-991 - Abstract
Insect meal is gaining increased attention in aquafeed formulations due to high protein content and an essential amino acid profile similar to that of fishmeal. To investigate insect meal in feed for European perch Perca fluviatilis, a promising candidate for European intensive culture, we replaced standard fishmeal with partially defatted black soldier fly Hermetia illucens larva meal at rates of 0%, 20%, 40% and 60% (groups CON, H20, H40 and H60, respectively) and compared growth performance, somatic indices, hematological parameters, whole-body proximate composition and occurrence of spleen lipidosis. In addition, we assessed the economic and environmental sustainability of the tested feeds by calculating economic conversion ratio (ECR) and economic profit index (EPI). The tested groups did not differ in survival rate. Significant differences were documented in final body weight and specific growth rate, with the highest values in CON, H20 and H40. The proximate composition of fish whole-body at the end of the experiment did not differ in dry matter, crude protein or ether extract, while organic matter, ash and gross energy composition showed significant differences. The fatty acid content and n-3/n-6 ratio showed a decreasing trend with increasing H. illucens larva meal inclusion. No differences were found in hematological parameters among tested groups. The H. illucens larva meal inclusion significantly affected ECR and EPI, even at 20% inclusion level the cost of diets did not differ from the control fish meal based diet. Results suggested that 40% inclusion of H. illucens larva meal can be used successfully in standard diets for perch.
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- 2020
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29. Catalytic and Electrochemical Properties of Ag Infiltrated Perovskite Coatings for Propene Deep Oxidation
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Thai Giang Truong, Benjamin Rotonnelli, Mathilde Rieu, Jean-Paul Viricelle, Ioanna Kalaitzidou, Daniel Marinha, Laurence Burel, Angel Caravaca, Philippe Vernoux, and Helena Kaper
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self-sustained electrochemical promotion ,VOC abatement ,silver catalyst ,propene oxidation ,mixed ionic electronic conductor ,Chemical technology ,TP1-1185 ,Chemistry ,QD1-999 - Abstract
This study reports the catalytic properties of Ag nanoparticles dispersed on mixed ionic and electronic conducting layers of LSCF (La0.6Sr0.4Co0.2Fe0.8O3) for propene combustion. A commercial and a synthesized LSCF powder were deposited by screen-printing or spin-coating on dense yttria-stabilized zirconia (YSZ) substrates, an oxygen ion conductor. Equal loadings (50 µg) of Ag nanoparticles were dispersed via drop-casting on the LSCF layers. Electrochemical and catalytic properties have been investigated up to 300 °C with and without Ag in a propene/oxygen feed. The Ag nanoparticles do not influence the electrochemical reduction of oxygen, suggesting that the rate-determining step is the charge transfer at the triple phase boundaries YSZ/LSCF/gas. The anodic electrochemical performances correlate well with the catalytic activity for propene oxidation. This suggests that the diffusion of promoting oxygen ions from YSZ via LSCF grains can take place toward Ag nanoparticles and promote their catalytic activity. The best specific catalytic activity, achieved for a LSCF catalytic layer prepared by screen-printing from the commercial powder, is 800 times higher than that of a pure Ag screen-printed film.
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- 2020
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30. In Vitro Metabolic Transformation of Pharmaceuticals by Hepatic S9 Fractions from Common Carp (Cyprinus carpio)
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Viktoriia Burkina, Sidika Sakalli, Pham Thai Giang, Kateřina Grabicová, Andrea Vojs Staňová, Galia Zamaratskaia, and Vladimir Zlabek
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cytochrome P450 ,metabolite formation ,citalopram ,sertraline ,venlafaxine ,metoprolol ,Organic chemistry ,QD241-441 - Abstract
Water from wastewater treatment plants contains concentrations of pharmaceutically active compounds as high as micrograms per liter, which can adversely affect fish health and behavior, and contaminate the food chain. Here, we tested the ability of the common carp hepatic S9 fraction to produce the main metabolites from citalopram, metoprolol, sertraline, and venlafaxine. Metabolism in fish S9 fractions was compared to that in sheep. The metabolism of citalopram was further studied in fish. Our results suggest a large difference in the rate of metabolites formation between fish and sheep. Fish hepatic S9 fractions do not show an ability to form metabolites from venlafaxine, which was also the case for sheep. Citalopram, metoprolol, and sertraline were metabolized by both fish and sheep S9. Citalopram showed concentration-dependent N-desmethylcitalopram formation with Vmax = 1781 pmol/min/mg and Km = 29.7 μM. The presence of ellipticine, a specific CYP1A inhibitor, in the incubations reduced the formation of N-desmethylcitalopram by 30–100% depending on the applied concentration. These findings suggest that CYP1A is the major enzyme contributing to the formation of N-desmethylcitalopram. In summary, the results from the present in vitro study suggest that common carp can form the major metabolites of citalopram, metoprolol, and sertraline.
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- 2020
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31. Embedding hexanuclear tantalum bromide cluster {Ta6Br12} into SiO2 nanoparticles by reverse microemulsion method
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Wanghui Chen, Maxence Wilmet, Thai Giang Truong, Noée Dumait, Stéphane Cordier, Yoshio Matsui, Toru Hara, Toshiaki Takei, Norio Saito, Thi Kim Ngan Nguyen, Takeo Ohsawa, Naoki Ohashi, Tetsuo Uchikoshi, and Fabien Grasset
- Subjects
Materials chemistry ,Materials science ,Nanotechnology ,Science (General) ,Q1-390 ,Social sciences (General) ,H1-99 - Abstract
Hexanuclear tantalum bromide cluster units [{Ta6Bri12}La6] (i = inner, a = apical, L = ligand OH or H2O) are embedded into SiO2 nanoparticles by a reverse microemulsion (RM) based method. [{Ta6Bri12}Bra2 (H2O)a4]·nH2O (noted TBH) and tetraethyl orthosilicate (TEOS) are used as the starting cluster compound and the precursor of SiO2, respectively. The RM system in this study consists of the n-heptane (oil phase), Brij L4 (surfactants), ethanol, TEOS, ammonia solution and TBH aqueous sol. The size and morphology of the product namely {Ta6Br12}@SiO2 nanoparticles are analyzed by HAADF-STEM and EDS mappings. The presence and integrity of {Ta6Br12} in the SiO2 nanoparticles are evidenced by EDS mapping, ICP-OES/IC and XPS analysis. The optical properties of {Ta6Br12}@SiO2 nanoparticles are analyzed by diffuse reflectance UV-vis spectroscopy, further evidencing the integrity of the embedded {Ta6Br12} and revealing their oxidation state. Both {Ta6Br12}2+ and {Ta6Br12}3+ are found in SiO2 nanoparticles, but the latter is much more stable than the former. The by-products in this RM-based synthesis, as well as their related factors, are also discussed.
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- 2018
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32. Correlation between optical characteristics and NO2 gas sensing performance of ZnO nanorods under UV assistance
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Thi Thu Do, Thi Hien Hoang, Thi Anh Thu Do, Quang Ngan Pham, Hong Thai Giang, Ha Trung Bui, Trung Tran, and Truong Giang Ho
- Subjects
optical property ,room temperature NO2 gas sensors ,ZnO nanorods ,Science - Abstract
In this research, we present the ZnO nanorods synthesized through the simple route of the hydrothermal method. The ZnO nanorods were developed through the application of only zinc acetate Zn(CH3COO)2 and ammonia solution, NH4OH, in the hydrothermal process at 150oC for 10 hours. The size of the ZnO nanorods was defined as approximately 300 nm in diameter and 1-2 µm in length. The fabrication of sensors was achieved through drop-coating of synthesized ZnO nanorods on Al2O3 substrates integrated with Au electrodes. Subsequent to the process of sintering done at 500oC for different durations, ZnO nanorod-based sensors were investigated when exposed to NO2 gas (1.5, 2.5, and 5 ppm) at room temperature under continuous UV-LED (385 nm) illumination. The correlation between NO2 gas sensing performance and the optical property of the ZnO nanorods is discussed in detail. Herein, the defect concentration, particularly `in the surface region of the ZnO nanorods could be modified through sintering, and this indicates its importance in the reduction of responserecovery times and enhancement of high sensitivity to NO2 gas.
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- 2018
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33. The economic costs of a multisectoral nutrition programme implemented through a credit platform in Bangladesh
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Thai, Giang, primary, Margolies, Amy, additional, Gelli, Aulo, additional, Sultana, Nasrin, additional, Choo, Esther, additional, Kumar, Neha, additional, and Levin, Carol, additional
- Published
- 2022
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- View/download PDF
34. Signs of recovery: Patterns of livelihoods and food security before and during COVID-19 in rural Bangladesh
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Ahmed, Akhter; Bakhtiar, M. Mehrab; Gilligan, Daniel; Hoddinott, John F.; Roy, Shalini; Anowar, Sadat; Ghostlaw, Julie; Thai, Giang, http://orcid.org/0000-0002-0112-502X Ahmed, A.; http://orcid.org/0000-0002-3530-0148 Gilligan, Daniel; https://orcid.org/0000-0002-0590-3917 Hoddinott, John F.; http://orcid.org/0000-0002-5600-9835 Ghostlaw, Julie; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0001-8053-1650 Roy, Shalini; http://orcid.org/0000-0002-2946-2271 Bakhtiar, M. Mehrab, Ahmed, Akhter; Bakhtiar, M. Mehrab; Gilligan, Daniel; Hoddinott, John F.; Roy, Shalini; Anowar, Sadat; Ghostlaw, Julie; Thai, Giang, and http://orcid.org/0000-0002-0112-502X Ahmed, A.; http://orcid.org/0000-0002-3530-0148 Gilligan, Daniel; https://orcid.org/0000-0002-0590-3917 Hoddinott, John F.; http://orcid.org/0000-0002-5600-9835 Ghostlaw, Julie; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0001-8053-1650 Roy, Shalini; http://orcid.org/0000-0002-2946-2271 Bakhtiar, M. Mehrab
- Abstract
Non-PR, IFPRI1; CRP2; 2 Promoting Healthy Diets and Nutrition for all; 4 Transforming Agricultural and Rural Economies; Capacity Strengthening, PHND; PIM, CGIAR Research Program on Policies, Institutions, and Markets (PIM), The COVID-19 pandemic compelled the Government of Bangladesh to impose policy measures to stop the spread of the virus. These efforts were critical for public health, but have led to serious disruptions in the economy and livelihoods. To document the experiences of Bangladeshi households during this time, the International Food Policy Research Institute (IFPRI) and Cornell University conducted two rounds of socioeconomic phone surveys in rural areas of Bangladesh in June 2020 and in January 2021, and benchmarked them against data from in-person interviews carried out on the same households in 2019. Together, these surveys have tracked the experiences of Bangladeshi households in terms of unemployment, income loss, food insecurity, and coping mechanisms during the COVID-19 pandemic.
- Published
- 2021
35. A nutrition behaviour change intervention delivered through women's self-help groups in India is protective against depression and reduces time spent in market work
- Author
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Gupta, Shivani; Scott, Samuel; Kumar, Neha; Raghunathan, Kalyani; Thai, Giang; Quisumbing, Agnes R.; Menon, Purnima, https://orcid.org/0000-0002-6358-9057 Gupta, Shivani; http://orcid.org/0000-0002-5564-0510 Scott, Samuel; http://orcid.org/0000-0001-7982-3277 Kumar, Neha; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-5988-2894 Menon, Purnima; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani, Gupta, Shivani; Scott, Samuel; Kumar, Neha; Raghunathan, Kalyani; Thai, Giang; Quisumbing, Agnes R.; Menon, Purnima, and https://orcid.org/0000-0002-6358-9057 Gupta, Shivani; http://orcid.org/0000-0002-5564-0510 Scott, Samuel; http://orcid.org/0000-0001-7982-3277 Kumar, Neha; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-5988-2894 Menon, Purnima; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani
- Abstract
Non-PR, IFPRI5; Women Improving Nutrition through Group-based Strategies (WINGS); CRP4, PHND; A4NH, CGIAR Research Programs on Agriculture for Nutrition and Health (A4NH), Objectives: Women's self-help groups (SHGs), which operate at large scale in India, are an important platform for delivering behaviour change communication (BCC) and social support interventions to rural women. Little is known about how such group-based interventions affect women's mental health and time use. Methods: The Women Improving Nutrition through Group-based Strategies (WINGS) study was a quasi-experimental impact evaluation, comparing 16 blocks (8 matched pairs) with SHG formation support; 8 blocks received a 3-year nutrition intervention (NI) with BCC topics such as nutrition, home-gardens and women's well-being, facilitated by a trained female volunteer; the other 8 received standard activities (STD) to support savings & livelihoods. We conducted repeated cross-sectional surveys of mother-child pairs in 2017–18 (n = 1609) and 2019–20 (n = 1841). We matched treatment groups over time and applied difference-in-difference (DID) regression models to estimate NI impacts. Outcomes assessed: (1) common mental disorder symptoms (CMD) (Self Reporting Questionnaire (SRQ) score, 8 or higher) and (2) time use, constructed using 24-hour recall data. Time indicators were the proportion of time spent on productive work (employed, agricultural work), reproductive work (cooking, caring for children etc.), and time spent on social-leisure activities (hobbies, socializing). Results: Overall, women were 25 years old with 5 years of education and worked 10.7 hours/day. CMD were reported by 17% of women. DID estimates showed that CMD prevalence doubled over time among women in STD areas but did not change in NI areas (P < 0.01). Compared to STD areas, women in NI areas reported a larger decrease in time spent on productive work (DID: −5 percentage points (pp); P < 0.01) and larger increases in time spent on reproductive work (DID: +5 pp; P < 0.01) and on social-leisure activities (DID: +22 minutes, P < 0.01). Conclusions: A BCC intervention delivered through SHGs in rural Ind
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- 2021
36. A women's group-based nutrition behavior change intervention in India has limited impacts amidst implementation barriers and a concurrent national behavior change campaign
- Author
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Scott, Samuel; Gupta, Shivani; Kumar, Neha; Raghunathan, Kalyani; Thai, Giang; Quisumbing, Agnes R.; Menon, Purnima, http://orcid.org/0000-0002-5564-0510 Scott, Samuel; https://orcid.org/0000-0002-6358-9057 Gupta, Shivani; http://orcid.org/0000-0001-7982-3277 Kumar, Neha; http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-5988-2894 Menon, Purnima, Scott, Samuel; Gupta, Shivani; Kumar, Neha; Raghunathan, Kalyani; Thai, Giang; Quisumbing, Agnes R.; Menon, Purnima, and http://orcid.org/0000-0002-5564-0510 Scott, Samuel; https://orcid.org/0000-0002-6358-9057 Gupta, Shivani; http://orcid.org/0000-0001-7982-3277 Kumar, Neha; http://orcid.org/0000-0002-4705-4351 Raghunathan, Kalyani; https://orcid.org/0000-0003-2269-9505 Thai, Giang; http://orcid.org/0000-0002-5429-1857 Quisumbing, Agnes; http://orcid.org/0000-0001-5988-2894 Menon, Purnima
- Abstract
Non-PR, IFPRI5; Women Improving Nutrition through Group-based Strategies (WINGS); CRP4, PHND; A4NH, CGIAR Research Programs on Agriculture for Nutrition and Health (A4NH), Objectives: Women's self-help groups (SHGs) have become one of the world's largest institutional platforms of the poor, reaching over 70 million Indian women in 2020. Limited evidence exists on effects of nutrition interventions through SHGs on maternal and child nutrition outcomes. Methods: The Women Improving Nutrition through Group-based Strategies (WINGS) study was a quasi-experimental impact evaluation, comparing 16 matched blocks where communities were provided support to form SHGs and improve women's livelihoods; 8 blocks (1 in each matched pair) received a 3-year nutrition intervention (NI) with nutrition education, agriculture- and rights-based information, facilitated by a trained female volunteer; the other 8 blocks received standard activities (STD) to support savings & livelihoods. We conducted repeated cross-sectional surveys of mother-child pairs in 2017–18 (n = 1609 pairs) and 2019–20 (n = 1841 pairs). We matched treatment groups over time and applied difference-in-difference (DID) regression models to estimate NI impacts. Outcomes were knowledge domains (nutrition for pregnant women, breastfeeding, complementary feeding, child health), child feeding (e.g., early breastfeeding initiation, dietary diversity, animal source food (ASF) consumption), woman's diets, woman's BMI and child anthropometry. Matching covariates included woman, child, and community characteristics. Results: About 40% of women were SHG members. Nutrition intervention exposure was low; only ∼10% of NI women had heard of intervention content at endline. There were large improvements in women's knowledge in both groups. DID estimation revealed a positive NI impact on knowledge of timely introduction of ASFs to children (P < 0.05), but knowledge of nutrition for pregnant women unexpectedly improved more in the STD group (P < 0.05). No impacts were observed for any anthropometry or diet indicators except child ASF consumption (P < 0.01). Conclusions: Limited impacts on nutrition outcom
- Published
- 2021
37. Tissue-specific expression and activity of cytochrome P450 1A and 3A in rainbow trout (Oncorhynchus mykiss)
- Author
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Viktoriia Burkina, Vladimir Zlabek, Sidika Sakalli, Pham Thai Giang, Galia Zamaratskaia, and Martin Krøyer Rasmussen
- Subjects
Gills ,Male ,0301 basic medicine ,endocrine system ,medicine.medical_specialty ,animal structures ,Gonad ,CYP3A ,CYP1A1 ,Toxicology ,Gene Expression Regulation, Enzymologic ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,CYP inhibitors ,Internal medicine ,Cytochrome P-450 CYP1A1 ,medicine ,Animals ,Cytochrome P-450 CYP3A ,RNA, Messenger ,chemistry.chemical_classification ,Sex Characteristics ,biology ,Chemistry ,Myocardium ,Brain ,Cytochrome P450 ,General Medicine ,Metabolism ,In vitro ,Catalytic activity ,Intestines ,030104 developmental biology ,medicine.anatomical_structure ,Endocrinology ,Enzyme ,Liver ,Oncorhynchus mykiss ,biology.protein ,Female ,Rainbow trout ,Xenobiotic ,030217 neurology & neurosurgery ,P450 - Abstract
Piscine cytochrome P450 (CYP) enzymes play an important role in the metabolism of xenobiotics. Xenobiotics often act as inducers of CYP1A1 and CYP3A expression and activity in fish. We compared constitutive mRNA expression of CYP1A1, CYP3A27, and CYP3A45 and catalytic activity of CYP1A (7-ethoxyresorufin-O-deethylation, EROD) and CYP3A-like (benzyloxy-4-trifluoromethylcoumarin-O-debenzyloxylation, BFCOD) enzymes in the following six rainbow trout tissues: liver, gill, heart, brain, intestine, and gonad. mRNA expression and activity were present in all investigated tissues. The CYP1A1 mRNA expression was higher in the liver, gill, heart, and brain compared to gonad and intestine. The intestine was the main site of CYP3A27 and CYP3A45 expression. The highest EROD and BFCOD activity was observed in liver tissue followed in descending order by heart, brain, gill, intestine, and gonad. Such differences might be related to the role of CYP physiological functions in the specific tissue. Rainbow trout exposure to 50 mg/kg of β-naphthoflavone for 48 h resulted in a 7.5- and 5.9-fold increase in liver EROD and BFCOD activity, respectively. In vitro EROD activity inhibition with ellipticine showed tissue-specific inhibition, while ketoconazole decreased BFCOD activity by 50–98 % in all tissues. Further studies are needed to identify all CYP isoforms that are responsible for these activities and modes of regulation.
- Published
- 2021
38. Effects of palladium on the optical and hydrogen sensing characteristics of Pd-doped ZnO nanoparticles
- Author
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Anh-Thu Thi Do, Hong Thai Giang, Thu Thi Do, Ngan Quang Pham, and Giang Truong Ho
- Subjects
carrier dynamics ,hydrogen sensing ,Pd-doped ZnO ,photoluminescence ,sensor ,Technology ,Chemical technology ,TP1-1185 ,Science ,Physics ,QC1-999 - Abstract
The effect of palladium doping of zinc oxide nanoparticles on the photoluminescence (PL) properties and hydrogen sensing characteristics of gas sensors is investigated. The PL intensity shows that the carrier dynamics coincides with the buildup of the Pd-related green emission. The comparison between the deep level emission and the gas sensing response characteristics allows us to suggest that the dissociation of hydrogen takes place at PdZn-vacancies ([Pd 2+(4d9)]). The design of this sensor allows for a continuous monitoring in the range of 0–100% LEL H2 concentration with high sensitivity and selectivity.
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- 2014
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39. Bi2S3 Nanowires: First-Principles Phonon Dynamics and Their Photocatalytic Environmental Remediation
- Author
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Anh Thi Le, Quang Ngan Pham, T. Anh Thu Do, T. Thai Ha Vu, Dai Lam Tran, Giang Truong Ho, Minh Tan Man, and Hong Thai Giang
- Subjects
Materials science ,Phonon ,Environmental remediation ,Nanowire ,Nanotechnology ,02 engineering and technology ,010402 general chemistry ,021001 nanoscience & nanotechnology ,01 natural sciences ,0104 chemical sciences ,Surfaces, Coatings and Films ,Electronic, Optical and Magnetic Materials ,Characterization (materials science) ,General Energy ,Photocatalysis ,Physical and Theoretical Chemistry ,0210 nano-technology - Abstract
We reported the synthesis and full characterization of ultralong Bi2S3 nanowires with diameters of 60–80 nm and lengths above 1 μm, showing growth in the [001] direction. Combining the computed lat...
- Published
- 2021
40. Control ofVibrioparahaemolyticus(AHPND strain) and improvement of water quality using nanobubble technology
- Author
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Phan Thi Van, Nguyen Huu Nghia, Jose A. Domingos, Sophie St-Hilaire, Pham Thai Giang, and Nguyen Thi Hanh
- Subjects
0303 health sciences ,Ozone ,Dose ,Disinfectant ,Vibrio parahaemolyticus ,chemistry.chemical_element ,04 agricultural and veterinary sciences ,Aquatic Science ,Biology ,Saline water ,biology.organism_classification ,Oxygen ,03 medical and health sciences ,chemistry.chemical_compound ,chemistry ,040102 fisheries ,0401 agriculture, forestry, and fisheries ,Sewage treatment ,Water quality ,Food science ,030304 developmental biology - Abstract
Nanobubble technology is used in wastewater treatment, but its disinfectant properties in aquaculture have not been clearly demonstrated. This study investigated the ability of nanobubbles to reduce Vibrio parahaemolyticus (AHPND strain) and to improve water quality. Two laboratory experiments were conducted over a one‐week period, that is (a) assessing the effects of air and oxygen nanobubbles for 60 minutes per day and (b) comparing effects of ozone nanobubble treatments for 2, 4 and 6 minutes per day. Experiments were done in triplicate 100 L tanks with 15‰ saline water, inoculated with an initial bacterial concentration of 106 CFU/ml. At the end of experiment 1, the bacterial concentration of the air and oxygen nanobubble groups was counted for 69% and 46% of the control group respectively. At the end of experiment 2, the bacterial concentration of the 2‐, 4‐ and 6‐minute ozone nanobubble groups were counted for 23%, 2.2% and 0% of the control group respectively. Oxygen and ozone nanobubbles significantly increased oxygen reduction potential and oxygen values. Results indicate that under effective dosages nanobubbles can be used in the production farms to control V.parahaemolyticus and increase oxygen levels.
- Published
- 2021
41. Synthesis of some Bismuth Sulfide nano/micro-structures and reduction catalytic of Cr(VI) under visible light irradiation
- Author
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Giang Ho Truong, Thu Do Thi Anh, Lam Tran Dai, Tan Man Minh, Ngan Pham Quang, Thai Giang Hong, Ha Vu Thi Thai, and Hieu Nguyen Trung
- Subjects
Reduction (complexity) ,Materials science ,Visible light irradiation ,Nano ,Bismuth sulfide ,Photochemistry ,Micro structure ,Catalysis - Abstract
Bismuth sulfide (Bi2S3) nanostructures with various morphologies, including nanowires, nanorods and nanoflowers, have been successfully fabricated via a facile hydrothermal method. The results show that the sulfur source plays a crucial role in determining the product morphology. Photocatalysis experiments show Bi2S3 nanowires exhibit the highest photocatalytic reduction of Cr(VI) when exposed to visible light irradiation.
- Published
- 2020
42. Scale and Sustainability: The Impact of a Women's Self-Help Group Program on Household Economic Well-Being in India.
- Author
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Raghunathan, Kalyani, Kumar, Neha, Gupta, Shivani, Thai, Giang, Scott, Samuel, Choudhury, Avijit, Khetan, Madhu, Menon, Purnima, and Quisumbing, Agnes
- Subjects
RURAL poor ,WOMEN'S societies & clubs ,SUPPORT groups ,CONSUMPTION (Economics) ,WELL-being ,HOUSEHOLDS ,LIVESTOCK productivity - Abstract
Microfinance groups are a prominent source of small-scale rural credit in many developing countries. In India, evidence of the impact of the now ubiquitous women-only savings and credit self-help groups (SHGs) on household consumption and asset accumulation is inconclusive and based on small-scale interventions. Further, little is known about the sustainability of impacts at scale. We use panel data on close to 2500 households from five states in India to estimate the impact of SHG membership on household expenditure and asset ownership. Over four years, we find small but significant impacts of SHG membership on household expenditure and livestock ownership. Membership duration has a modest effect, suggesting that initial impacts may taper off as the program scales up, though small sample sizes limit our ability to draw inferences. Accompanying evidence on pathways is compelling; related work shows that SHG participation improves information, empowerment, and access to entitlements. While the direct impacts of SHG membership may not suffice to fill gaps in access to credit faced by the rural poor, impacts along these additional pathways could intensify the benefits of these groups. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
43. Effect of metal-support couplings on the photocatalytic performance of Au-decorated ZnO nanorods
- Author
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Trung Hieu Nguyen, T. Anh Thu Do, Quang Ngan Pham, Truong Giang Ho, Hong Thai Giang, and Minh Tan Man
- Subjects
010302 applied physics ,Photoluminescence ,Materials science ,Schottky barrier ,Condensed Matter Physics ,01 natural sciences ,Atomic and Molecular Physics, and Optics ,Electronic, Optical and Magnetic Materials ,Adsorption ,Chemical engineering ,Colloidal gold ,0103 physical sciences ,Photocatalysis ,Nanorod ,Electrical and Electronic Engineering ,Surface plasmon resonance ,Plasmon - Abstract
We reported the effectiveness of photocatalysts based on ZnO nanorods in the pollutant degradation. UV–Vis adsorption and photoluminescence (PL) were used to verify the incorporation of the plasmonic Au NPs on the ZnO nanorods. The strong electronic interaction between Au NPs and the defect sites of ZnO can be caused by the resonant coupling near the surface of ZnO, which in turn suppresses the defect-related emission band. We significantly enhanced photocatalytic performance by the coupling ZnO nanorods to the plasmonic gold nanoparticles. Due to the surface plasmon resonance and the localized Au–ZnO Schottky barrier, the Au–ZnO nanorods demonstrated better photocatalytic efficiency (96% in 60 min) than pure ZnO nanorods (only 42% in 60 min) under visible light irradiation of the halogen lamp. The correlation between metal-support couplings and photocatalytic performance is discussed.
- Published
- 2020
44. Cardiac schockwave therapy in the treatment of ischemic heart disease patiens with refractive angina pectoris
- Author
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Le Duy Thanh, Pham Nguyen Son, Vu Dien Bien, and Pham Thai Giang
- Abstract
Objective: To evaluate of the effectiveness of cardiac shockwave therapy in the treatment of ischemic heart disease with refractive angina pectoris. Subject and method: A prospective, cross-sectional study with comparison and follow-up for 6 months on 50 patients with refractive angina pectoris from January 2017 to January 2020. The protocol application of 100 shocks/spot at 0.09mJ/mm2 energy flux density for 3 - 6 spots each time, with three times per week at each series for three series at 1, 5, 9 weeks. Result: The average age was 71.32 ± 10.5 years, men accounted for 78%. The symptoms of angina improved significantly (amount of chest pain 5.87 ± 2.7 to 0.28 ± 0.45 times; Nitrat consumed per week from 6.3 ± 3.5 to 0.3 ± 0.5 tablets/week). The 6-minute walking test all improved (278.1 ± 71m compared with 390.5 ± 42.3m). CCS angina class improved significant. NYHA grade improved significantly (NYHA III from 40.7% to 11.1%, NYHA II from 51.9% to 33.3%). Pro-BNP decreased (994.99 ± 1708.9 to 429.0 ± 453.9 pg/ml). WSMI decreased from 1.49 ± 0.22 to 1.24 ± 0.12, GLS improved from -9.79 ± 2.68 to -12.7 ± 2.42. Average score of SSS, SRS, SDS markedly improved with p
- Published
- 2022
45. Khảo sát đặc điểm tổn thương thân chung động mạch vành trái trên siêu âm nội mạch ở bệnh nhân bệnh động mạch vành mạn tính được can thiệp
- Author
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Nguyen Hoang Minh Phyuong, Pham Thai Giang, and Pham Manh Hung
- Abstract
Mục tiêu: Khảo sát đặc điểm tổn thương thân chung động mạch vành trái (LM) trên siêu âm nội mạch ở bệnh nhân bệnh động mạch vành mạn tính được can thiệp. Đối tượng và phương pháp: Nghiên cứu mô tả cắt ngang bệnh nhân bệnh mạch vành mạn tính được can thiệp thân chung động mạch vành trái có sử dụng siêu âm nội mạch (IVUS) tại Bệnh viện Bạch Mai từ tháng 04/2017 đến tháng 10/2019. Kết quả: Có 55 bệnh nhân (nam 61,8%, tuổi trung bình 68,9 ± 1,1 năm), 45,5% đã can thiệp mạch vành. Trên chụp mạch vành: Vị trí tổn thương ở lỗ vào 18,2%, đoạn giữa 3,6%, đoạn xa 78,2%, tỷ lệ hẹp trung bình 45,7 ± 14,9%, 29,1% hẹp thân chung > 50%, 70,9% bệnh thân chung trung gian. Trên IVUS: Vị trí có MLA ≤ 6mm2 đoạn gần 18,2%, đoạn giữa 12,7%, đoạn xa 78,2%, gánh nặng mảng xơ vữa ở tất cả vị trí hẹp đều > 50%, mảng xơ vữa hỗn hợp, vôi hoá, và tái định dạng trung gian chiếm đa số. So với chụp mạch vành, IVUS giảm chẩn đoán tổn thương đoạn gần động mạch liên thất trước (từ 94,5% còn 90,4%), động mạch mũ (từ 36,4% còn 21,8%), giảm tổn thương chỗ chia đôi từ 36,4% còn 21,8% có ý nghĩa thống kê. Kết luận: Với 29,1% hẹp thân chung > 50%, 70,9% bệnh thân chung trung gian trên chụp mạch vành, IVUS ghi nhận MLA ≤ 6mm2, gánh nặng mảnh xơ vữa > 50%. So với chụp mạch vành, IVUS giảm chẩn đoán tổn thương đoạn gần động mạch liên thất trước, động mạch mũ, từ đó giảm tổn thương chỗ chia ba có ý nghĩa thống kê.
- Published
- 2021
46. Đánh giá kết quả can thiệp thân chung động mạch vành trái dưới hướng dẫn của siêu âm nội mạch ở bệnh nhân bệnh động mạch vành mạn tính
- Author
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Nguyen Hoang Minh Phuong, Pham Thai Giang, and Pham Manh Hung
- Abstract
Mục tiêu: Đánh giá kết quả của can thiệp thân chung động mạch vành trái dưới hướng dẫn siêu âm nội mạch (IVUS). Đối tượng và phương pháp: Nghiên cứu cắt ngang mô tả, 55 bệnh nhân bệnh mạch vành mạn tính được can thiệp thân chung động mạch vành trái dưới hướng dẫn siêu âm nội mạch (IVUS) tại Bệnh viện Bạch Mai, trong thời gian từ tháng 04/2017 đến tháng 10/2019. Kết quả: Trước can thiệp: Chiến lược can thiệp 2 stent dựa trên IVUS so với chụp mạch vành giảm từ 34,5% còn 21,8% (Kappa = 0,604, p
- Published
- 2021
47. An Antimicrobial Resistance Learning Framework for Children and Young People
- Author
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Davies, Alun, Phaik Yeong Cheah, Karkey, Abhilasha, Kinyanjui, Samson, Duy, Thanh Vu, Supa-At Asarath, Aashata Dahal, Dongol, Sabina, Hinga, Alex, Jahangir, Nassim, Mwakera, Emmanuel, Thai, Giang Nguyen Le, Hoang, Yen Nguyen, Tassawan Poomchaichote, Ravikanya Praphasavat, Thanh, Huyen Tran Thi, Summita Udas Shakya, Quynh, Giao Vu Thi, and Chambers, Mary
- Subjects
Youth Against Antimicrobial Resistance ,youth ,antibiotic resistance ,antimicrobial resistance - Abstract
The framework identifies key learning outcomes related to AMR appropriate to different age groups (6-24 years old) that are applicable across a diverse range of settings and learning environments. It can be used as a tool for structuring curricula and learning activities. It is aimed at teachers, educators, research scientists and informal learning providers. There are two versions: long version and concise version., Expert Reviewers: Olive Mbuthia Deputy Director, Kenyan Institute of Curriculum Development, Nairobi, Kenya Pisonthi Chongtrakul M.D. Assistant Professor, Department of Pharmacology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand Katherine Rose, Learning Consultant, UK International Youth Advisory Group: Ammy Dama, Clement Nyiro, Sumi Rajbhandari, Ayusha Prajapati, Tawanrat Marit, Wuttipat, Kulkantrakorn, Vo Quynh Chi, Pham Ngoc Mau Tam and Pham Huynh Thuy Hien Youth collaborators: Kenya: Rajab Mustafa, Sera Felister, Maxwel Kithole, Shadrack Jambo, Lucky Katana, Tumaini Donald, Ellson Nyanje, Jackline Konzi, Joyce Mwanza, Maryam Badruni, Jacinta Mbeyu and Solomon Mutuku Nepal: Stutika Thapa Shrestha, Pritika Thapa Shrestha, Ayusha Lamsal, Swikriti Adhikari, Suman Tachamo, Sumnima Shakya, Aashrita Shakya and Anchit Acharya Thailand: Sasi Thonglek, Ploysai Ploymanee, Tull Luangmahanaka, Pupe Trannitad, Erika Yochanang, Prempreeda Loyrithiwutikrai, Phatcharaamphorn Srikaraket, Payut Jitbanjongkij, Jidapa Alice Caple, Methawin Eiamruekchai, Lily Aitchison, Priyapat Boonrod Chunchan Lohawatcharagul and Pakanun Luppayaporn Vietnam: Le Nguyen Thien Minh, Quan Bao Phuong, Nguyen Thi Gia Khanh, Tran Duy Mai Anh, Tran Long Hung, Nguyen Trong Nhan, Nguyen Ngoc Thanh Tien, Tran Ngoc Hai Van, Nguyen Hoang Khanh, Luu Thien Phuoc, Vu Thi Bich Diep, Vu Thi Lan Anh, Nguyen Thi Phuong Oanh, Nguyen Phuong Thao and Nguyen Vo Tan Thanh Collaborating teachers/researchers: David Aitchison - Headmaster of Heathfield International School, Bangkok Lucy Pilkington - Head of Secondary, Heathfield International School, Bangkok Menuka Parajuli - Teacher, Elin Academy, Kathmandu, Nepal Niroj Amatya - Lecturer in Microbiology, Pokhara University, Nepal Bill Pham ��� Science Teacher, APU American International School, HCMC, Vietnam Anne Osterrieder, Mahidol Oxford Tropical Medicine Research Unit, University of Oxford, UK
- Published
- 2021
- Full Text
- View/download PDF
48. Water quality and climate variability of urban and tourism areas in Thailand and northern Vietnam: correlations and possible influences on nearby coastal shrimp farms
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Nattakarn Kruatong, Soydoa Vinitnantharat, Hai The Pham, Pham Thai Giang, Nguyen Huu Nghia, Nutchanat Ninlaor, Kasame Thepnoo, Hsu Lei Myint, Pavinee Pattanachan, Rattikan Neamchan, Phuong Ha Vu, and Siriwan Wongsod
- Subjects
Pollution ,business.industry ,media_common.quotation_subject ,Vulnerability ,Aquaculture ,General Medicine ,Management, Monitoring, Policy and Law ,Thailand ,Adaptability ,Tourism ,Shrimp farming ,Geography ,Vietnam ,Agriculture ,Water Quality ,parasitic diseases ,Water quality ,business ,Water resource management ,Environmental Monitoring ,General Environmental Science ,media_common - Abstract
This research explored the long-term relationships of climate parameters and coastal water quality nearby shrimp farms in two countries. In Thailand, two sampling points in canals located in Bangkok and Trang provinces were selected as the urban and tourism areas, respectively. In northern Vietnam, the canals located in Thai Binh and Quang Ninh provinces were used as the urban and tourism areas, respectively. The diurnal monitoring of water quality and weather was performed at each site to evaluate the relationships between climate and water quality, pollution load, and risk analysis. A questionnaire was also used to assess the climate and water exposure, vulnerability, and adaptability of each site. All data were ranked on a scale of 1 to 5 to integrate each factor. It was determined that the main water quality problem was fecal pollution. Notably, aquaculture farming in northern Vietnam is more vulnerable than in Thailand; however, Vietnam farmers were adaptable for climate variability.
- Published
- 2021
49. Hydrocarbon gas sensing of nano-crystalline perovskite oxides LnFeO 3 ( Ln = La, Nd and Sm)
- Author
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Giang, Ho Truong, Duy, Ha Thai, Ngan, Pham Quang, Thai, Giang Hong, Thu, Do Thi Anh, Thu, Do Thi, and Toan, Nguyen Ngoc
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- 2011
- Full Text
- View/download PDF
50. Đánh giá kết quả can thiệp thân chung động mạch vành trái dưới hướng dẫn của siêu âm nội mạch ở bệnh nhân bệnh động mạch vành mạn tính
- Author
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Hoang Minh Phuong, Nguyen, primary, Thai Giang, Pham, additional, and Manh Hung, Pham, additional
- Published
- 2021
- Full Text
- View/download PDF
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