32 results on '"Chunyan Xie"'
Search Results
2. Resistance exercise interventions for sarcopenia and nutritional status of maintenance hemodialysis patients: a meta-analysis.
- Author
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Li Li, Xiaolan Ma, Chunyan Xie, and Yamin Li
- Subjects
RESISTANCE training ,EXERCISE therapy ,SARCOPENIA ,HEMODIALYSIS patients ,NUTRITIONAL status ,PHYSICAL mobility - Abstract
Background: A previous meta-analysis showed that exercise training improves patients' physical function and health status. However, the efficacy of resistance exercise (RE) in improving patients' physical function and nutritional status is uncertain. Objective: To evaluate the effect of RE on sarcopenia and nutritional indicators in maintenance hemodialysis (MHD) patients. Design: A meta-analysis. Methods: Randomized controlled trials up to March 28, 2023 were searched from eight databases, including PubMed, Web of Science, Embase, Cochrane, China National Knowledge Infrastructure, Wan Fang, China Science and Technology Journal Database, and CBM. The risk of bias of the literature eligible for inclusion was assessed using the Cochrane risk-of-bias tool. When a high heterogeneity was detected, a random-effects model was used. Egger's tests were used to assess publication bias. This review was conducted in accordance with the PRISMA guidelines. The reliability of evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation method, and a meta-analysis of the collected data was performed using Review Manager 5.4.1 software. Results: Nine studies that met the criteria were identified, and 541 patients were included in these research. Subjects: The results of this review showed that RE improved patients' grip strength levels (mean difference (MD) = 4.39, 95% confidence interval (CI) [3.14-5.64]; P < 0.00001), 6 min walking distance (MD = 40.71, 95% CI [8.92-72.49]; P = 0.01), muscle mass (MD = 4.50, 95% CI [2.01-6.99]; P = 0.0004), and serum albumin level (MD = 3.16, 95% CI [1.13-5.19]; P = 0.002) compared with the controls. However, the improvement caused by RE on hemoglobin (MD = 1.69, 95% CI [-1.49 to 4.87], P = 0.30) and cholesterol (MD = 2.33, 95% CI [-5.00 to 9.65], P = 0.53) levels was not statistically significant. Conclusion: RE showed a significant effect on muscle function and strength of MHD patients. This meta-analysis provides new ideas on the efficacy of RE in muscle function and strength of MHD patients. The use of consistent RE patterns and nutritional interventions should be considered in future studies for further assessment of its effects. In the future, more high-quality studies will be required to verify these results. Implications for practice: This meta-analysis identified the effect of RE on muscle strength, muscle function, and walking ability of HD patients, and provided a basis for clinical formulation of the optimal timing of intervention and the optimal frequency, intensity, modality, and content of intervention. Patient or public contribution: No patient or public contribution because it does not apply to my work. This review has been registered at the International Platform of Registered Systematic Review and Meta-analysis (INPLASY) (registration number: INPLASY202340078). [ABSTRACT FROM AUTHOR]
- Published
- 2024
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3. Development Countermeasures of County-level Edible Fungi Industry in Hebei Province from the Perspective of Rural Revitalization.
- Author
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Kun TANG, Ying WANG, Minhui ZHANG, Wenjie CHEN, Junhong HU, and Chunyan XIE
- Abstract
In recent years, the edible fungi industry in Hebei Province has developed rapidly, with gradually increased cultivation scale and production output, and has become the pillar industry of the province, playing a certain role in promoting the development of rural economy and rural revitalization. Based on the in-depth analysis of the development status, future development direction and current constraints of the edible fungi industry in each typical county of Hebei Province in recent years, the paper puts forward corresponding development countermeasures, which has certain reference value for the county-level edible fungi industry of Hebei Province to promote rural revitalization. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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4. Description of the unknown male of Vappolotes tianjiayu Li, Zhao & Li, 2023 (Araneae, Agelenidae, Coelotinae) from China.
- Author
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Bing Li, Zhe Zhao, Shuqiang Li, and Chunyan Xie
- Subjects
SPIDERS ,SPECIES distribution ,TAXONOMY ,ANIMAL morphology - Abstract
Background: Vappolotes Zhao & Li, 2019 is one of the troglophilous genera, with five known species. The previous description of V. tianjiayu from China was based solely on female specimens collected from caves in the Wuling Mountains in southern China without any males. New information: The present study, deals with the first record of the male of V. tianjiayu from its type locality: Guluo Cave. The validation of species is based on the morphological characteristics of both male and female. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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5. Stigmatizing attitudes toward mental disorders among non-mental health nurses in general hospitals of China: a national survey.
- Author
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Li Li, Shurong Lu, Chunyan Xie, and Yamin Li
- Subjects
MENTAL illness ,PUBLIC hospitals ,PEOPLE with mental illness ,NURSES' attitudes ,MENTAL training ,PSYCHIATRIC nursing - Abstract
Background: Negative attitudes of nurses toward mental disorders have been reported in various countries. Nurses' stigmatizing attitudes can harm patients with mental disorders (PWMD), thereby delaying the provision of help to patients and leading to decreased quality of care. In this study, we aimed to assess Chinese nurses' stigmatizing attitudes toward patients with mental illness and provide a basis for future development and testing of appropriate and culturally adapted interventions to reduce it. Objective: This study aimed to assess the attitudes of Non-mental Health Nurses (NMHNs) in general hospitals in China toward the stigma of PWMD and determine the factors influencing them. Methods: A cross-sectional survey of NMHNs in general hospitals were conducted. A self-designed WeChat-based questionnaire was used that included demographic information about the need for training on mental health issues. Participants were provided with a vignette of a depression case with suicidal thoughts. The Depression Stigma Scale (DSS) and Social Distance Scale (SDS) were used to assess attitudes toward mental disorders. Nine questions on the adequacy of knowledge about anxiety and depression and the current status of scale use were used to assess the current status of training needs for mental disorders. Descriptive analysis, chi-square test, and multivariate logistic regression were used for the table. Results: A total of 8,254 nurses in non-mental health professions participated in this study. The mean DSS score of NMHNs was (17.24 ± 6.700), and the SDS score was (10.34 ± 3.154). The total detection rate of stigma among the survey respondents was 13.40% (1,107/8254). Multivariate logistic regression showed that age between 30 and 39 years [p = 0.001, OR = 1.427 (1.154-1.764)], 4 years of work experience and above [p = 0.018, OR = 1.377 (1.056-1.796)], having a bachelor's degree [p < 0.001, OR = 0.742 (0.647-0.851)], adequate psychological knowledge [p < 0.001, OR = 1.567 (1.364-1.799)], full knowledge of communication with patients with anxiety and depression [p < 0.001, OR = 1.848 (1.389-2.459)], and the need to acquire skills to identify anxiety and depression were the influencing factors associated with stigma [p < 0.001, OR = 0.343 (0.236-0.499)]. Conclusion: Stigmatizing attitudes toward PWMD exist among NMHNs in general hospitals in China. Thus, more mental health education programs for NMHNs are needed. Factors associated with higher morbidity stigma can be used to develop appropriate interventions to improve NMHNs' stigmatizing attitudes and provide better quality care to PWMD. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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6. Evaluation of the stability of droplets in emulsion using multisample analytical centrifugation.
- Author
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Chunyan Xie, Feng Yue, Haoquan Yu, Canzhong Huang, and Shaoqun Zeng
- Subjects
CENTRIFUGATION ,ZETA potential ,FREEZE-thaw cycles ,EMULSIONS ,LIGHT transmission ,QUALITY control ,PROPOFOL - Abstract
Copyright of Journal of Chinese Pharmaceutical Sciences is the property of Journal of Chinese Pharmaceutical Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2023
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7. WHEN AND HOW DOES HUMANIZING AN EHEALTH APP INFLUENCE ELDERLY CONSUMERS' EVALUATION AND USAGE?
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Shuili Du, Bagozzi, Richard, Chunyan Xie, Skeie, Kristi Bjørnes, Iakovleva, Tatiana A., and Oftedal, Elin Merethe
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TELEMEDICINE ,MOBILE apps ,CONSUMER behavior ,ANTHROPOMORPHISM ,HEALTH literacy - Published
- 2023
8. Improving the extraction efficiency and functional properties of wheat germ protein by ultrasound-assisted extraction.
- Author
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CHUNYAN XIE, JUAN DU, CHUNMIAO XING, XU ZHANG, LAN WANG, HONGZHANG CHEN, and TONG LIN
- Subjects
WHEAT germ ,SOY proteins ,GLOBULINS ,ALBUMINS ,EXPERIMENTAL design - Abstract
This study optimised the conditions for ultrasound-assisted extraction (UAE) of defatted wheat germ protein (WGP) and evaluated its effect on the functional properties. Single-factor and orthogonal experiment designs were combined to optimise the UAE extraction condition. The extraction of WGP reached the highest level, at 88.66%, with a solid : liquid ratio of 1 : 25 g·mL
-1 , pH value of 9.0, ultrasonic time of 10 min, and ultrasonic power at 400 W. Under these conditions, albumin, globulin, prolamin, and glutenin accounted for 32.26, 28.52, 5.42, and 22.40% of total protein, respectively. In addition, this study compared the functional properties of WGP extracted by UAE with the results based on a commercially available soy protein (SP) isolate (SPI). The UAE of WGP had better oil absorption, foaming, and emulsifying properties. Therefore, UAE is a promising technique for food protein extraction because it can change the protein efficiencies and properties of the extract. [ABSTRACT FROM AUTHOR]- Published
- 2023
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9. Uridine dynamic administration affects the circadian variation of bile acid metabolism in high-fat-diet-fed mice.
- Author
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TIANTIAN ZHOU, YUMEI ZHANG, JUAN ZHANG, CHUNYAN XIE, ZHENYA ZHAI, and XIN WU
- Subjects
HIGH-fat diet ,BILE acids ,METABOLISM ,GENE expression ,CIRCADIAN rhythms - Abstract
High-fat diet (HFD) is demonstrated to disturb the bile acid metabolism. The rhythm of bile acid metabolism can also be affected by uridine, whose metabolism exhibits a daily rhythm. However, the mechanism of dynamic uridine administration affecting bile acid during HFD remains unclear. In this study, C57BL/6J mice were fed HFD (the control group; CON) or HFD with oral administration of uridine in the daytime (DUR) and nighttime (NUR) to investigate the mechanism of the effect of uridine on the bile acid. This study showed that the mRNA expression of uridine transporters and circadian clock genes in the jejunum was affected by zeitgeber time (ZT) (P < 0.001). Genes related to the metabolism of pyrimidines in the liver showed a high dependence on daily rhythm (P < 0.01), and DUR remarkably up-regulated the expression of ribonucleotide reductase regulatory subunit M2 (RRM2) (P < 0.05) compared to the CON group. Importantly, the mRNA expression of bile acids nuclear receptors, bile acid synthesis, and transporters in the liver showed significantly rhythmically changed (P < 0.05), and the expression of cholesterol 7-alpha-hydroxylase (CYP7A1), fibroblast growth factor receptor 4 (FGFR4), Na+/taurocholate co transporting polypeptide (NTCP), and bile salt export pump (BSEP) mRNAs of mice with uridine administration increased significantly (P < 0.05). The mRNA expression of the transporters of cholesterol and bile acids in the ileum was also affected by ZT (P < 0.01) and significantly dependent on uridine administration (P < 0.05). The expression of FXR and SHP was significantly affected by ZT and uridine, respectively. In conclusion, dynamic administration of uridine could regulate the rhythm of gene expression of pyrimidine and bile acid metabolism in the liver and ileum of HFD-fed mice, which contributed to the further study of circadian rhythmic physiological and pathological changes of bile acids. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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10. A new species of Chilobrachys (Araneae, Theraphosidae) from Guangdong, China.
- Author
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Ye-Jie Lin, Shuqiang Li, and Chunyan Xie
- Subjects
SPIDERS ,SPECIES distribution ,SPECIES diversity ,CLIMATE change - Abstract
Background: The theraphosid spider genus Chilobrachys Karsch, 1892 contains 30 species, almost entirely limited to Indochina, India, Sri Lanka and China. Six species of Chilobrachys are currently known from China: C. dominus Lin & Li, 2022 (Yunnan), C. guangxiensis (Yin & Tan, 2000) (Guangxi, Hainan), C. hubei Song & Zhao, 1988 (Hubei, Chongqing), C. jinchengi Lin & Li, 2022 (Tibet), C. liboensis Zhu & Zhang, 2008 (Guizhou, Guangxi) and C. lubricus Yu et al., 2021 (Yunnan). New information: A new species, Chilobrachys qishuoi Lin & Li, sp. n., is described from Guangdong, China, on the basis of both sexes. This is the easternmost Chilobrachys species known. Photos and a morphological description of the new species are provided. Type materials are deposited in the Institute of Zoology, Chinese Academy of Sciences (IZCAS) in Beijing, China. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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11. Microbiome-metabolome analysis reveals alterations in the composition and metabolism of caecal microbiota and metabolites with dietary Enteromorpha polysaccharide and Yeast glycoprotein in chickens.
- Author
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Wassie, Teketay, Bei Cheng, Tiantian Zhou, Lumin Gao, Zhuang Lu, Chunyan Xie, and Xin Wu
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POLYSACCHARIDES ,AMINO acid metabolism ,METABOLISM ,UNSATURATED fatty acids ,CARBOHYDRATE metabolism - Abstract
The intestinal microbiome is responsible for the fermentation of complex carbohydrates and orchestrates the immune system through gut microbiotaderived metabolites. In our previous study, we reported that supplementation of Enteromorpha polysaccharide (EP) and yeast glycoprotein (YG) in combination synergistically improved antioxidant activities, serum lipid profile, and fatty acid metabolism in chicken. However, the mechanism of action of these polysaccharides remains elusive. The present study used an integrated 16S-rRNA sequencing technology and untargeted metabolomics technique to reveal the mechanism of action of EP+YG supplementation in broiler chickens fed basal diet or diets supplemented with EP+YG (200mg/kg EP + 200mg/kg YG). The results showed that EP+YG supplementation altered the overall structure of caecal microbiota as evidenced by β diversities analysis. Besides, EP+YG supplementation changed the microbiota composition by altering the community profile at the phylum and genus levels. Furthermore, Spearman correlation analysis indicated a significant correlation between altered microbiota genera vs serum cytokine levels and microbiota genera vs volatile fatty acids production. Predicted functional analysis showed that EP+YG supplementation significantly enriched amino acid metabolism, nucleotide metabolism, glycan biosynthesis and metabolism, energy metabolism, and carbohydrate metabolism. Metabolomics analysis confirmed that EP+YG supplementation modulates a myriad of caecal metabolites by increasing some metabolites, including pyruvic acid, pyridoxine, spermidine, spermine, and dopamine, and decreasing metabolites related to lipid metabolisms such as malonic acid, oleic acid, and docosahexaenoic acid. The quantitative enrichment analysis results further showed that glycolysis/gluconeogenesis, citric acid cycle, tyrosine metabolism, glycine, serine, and threonine metabolism, and cysteine and methionine metabolism were the most important enriched pathways identified with enrichment ratio >11, whereas, fatty acid biosynthesis and biosynthesis of unsaturated fatty acids pathways were suppressed. Together, the 16S-rRNA and untargeted metabolomics results uncovered that EP+YG supplementation modulates intestinal microbiota and their metabolites, thereby influencing the important metabolism pathways, suggesting a potential feed additive. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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12. Efficacy and safety of tripterygium glycosides in the treatment of hyperthyroidism: A systemic review and meta-analysis.
- Author
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Chunyan Xie, Chaozhu He, Jun Gao, Shulei Jia, Xie, Chunyan, He, Chaozhu, Gao, Jun, and Jia, Shulei
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- 2020
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13. Water Use Efficiency and Influencing Factors in the Mekong River Basin Region Based on Grey Relational Analysis.
- Author
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Chunyan Xie, Jingchun Feng, Ke Zhang, Haiwei Zhou, and Song Xue
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WATER efficiency ,GREY relational analysis ,ECONOMIC development ,FOREIGN investments - Abstract
Water is one of the most important resources. As the most important transboundary river in Asia, the Mekong River, plays a significant role in the development of aquatic ecosystems in the Belt and Road Initiative. The water utilization status of the Mekong River Basin Region and the Mekong River transboundary distribution and development are examined. A non-radial direction distance function is used to analyze the water use efficiency of the Mekong River Basin Region from two perspectives: total-factor and water-factor. The influencing factors of water use efficiency are discussed in terms of grey relational analysis. The results reveal that water use efficiency in Qinghai, Yunnan, Thailand and Cambodia is at a relatively optimal level, but in Tibet, Laos, Myanmar and Vietnam it is relatively low. Economic development level, technological progress, industrial structure, trade and foreign investment all influence water use efficiency; the level of economic development has the greatest effect. [ABSTRACT FROM AUTHOR]
- Published
- 2018
14. An entity-centric query expansion approach to cumulative citation recommendation in Knowledge Base acceleration.
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Chunyan Xie
- Published
- 2015
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15. Chitosan oligosaccharide affects antioxidant defense capacity and placental amino acids transport of sows.
- Author
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Chunyan Xie, Xin Wu, Cimin Long, Qinhua Wang, Zhiyong Fan, Siming Li, and Yulong Yin
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CHITOSAN ,OLIGOSACCHARIDES ,ANTIOXIDANTS ,AMINO acid transport ,SOWS - Abstract
Background: Chitosan oligosaccharide (COS) is widely consumed as a functional food due to its multiple health effects, but few studies about COS supplement on placental antioxidant and nutrition transport capacity were reported. Taken pregnant sow as a model, we aimed to investigate the effects of dietary COS supplementation during late gestation on placental amino acids transport and antioxidant defense capacity of sows. From day (d) 85 of gestation to parturition, sixteen pregnant sows were divided into a control group (basal diet without COS supplementation) and a COS group (30 mg COS/kg basal diet). Plasma sample of sow was collected on d 110 of gestation, and placenta tissue was obtained during parturition. Then plasma antioxidant enzyme's activities, the relative level of oxidant stress related genes, amino acids transport related genes and mTOR pathway molecules in placenta were determined. Results: Results showed that maternal dietary supplementation with COS increased (P < 0.05) plasma total SOD, caused a downtrend in plasma MDA (0.05 < P < 0.10) on d 110 of gestation. Interestingly, the mRNA expression of some antioxidant genes in the placenta were increased (P < 0.05) and pro-inflammatory cytokines were reduced (P < 0.05) by COS supplement, whereas no significant difference was observed in the activities of placental total SOD and CAT between two groups. Additionally, further study demonstrated that COS feeding stimulated mTOR signaling pathway, increased amino acids transporters expression in placenta. Conclusions: These observations suggested that COS supplement in sow's diet during late gestation enhanced antioxidant defense capacity of sows, promoted placental amino acids transport, which may contribute to the health of sows and development of fetus during gestation. [ABSTRACT FROM AUTHOR]
- Published
- 2016
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16. The association of multimorbidity and disability in a community-based sample of elderly aged 80 or older in Shanghai, China.
- Author
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Peng Su, Hansheng Ding, Wei Zhang, Guangfeng Duan, Yitong Yang, Rong Chen, Zengjie Duan, Lixia Du, Chunyan Xie, Chunlin Jin, Chaoqun Hu, Zixue Sun, Junrui Long, Lingling Gong, and Wenhua Tian
- Subjects
COMORBIDITY ,OLDER people ,SOCIODEMOGRAPHIC factors ,CHRONIC diseases ,LOGISTIC regression analysis - Abstract
Background: Both multimorbidity and activities of daily living (ADL) disability and instrument activities of daily living (IADL) disability are common among elderly individuals. ADL/IADL disability may reduce individuals' capacities for independent living and quality of life. This study aimed to examine the association between multimorbidity and ADL/IADL disability. Methods: A multi-stage cluster sample of 2058 residents aged 80 or older was investigated in Shanghai, China. Multimorbidity was defined as the simultaneous presence of two or more chronic diseases with ten common chronic conditions under consideration. Subjects who responded that they "need partial or full assistance" to any ADL/IADL items were defined as having ADL/IADL disability. We examined the association of multimorbidity with ADL/IADL disability, adjusted for socio-demographic characteristics by using logistic regression. Results: Of respondents, 23.23 % had ADL disability, 37.90 % had IADL disability, and 49.17 % had multimorbidity. After adjusted socio-demographic characteristics, a graded association was showed between ADL disability and the quantity of chronic conditions: odds ratio (OR) for 1 condition, 1.53(95 % confidence interval [CI], 1.04-2.24); OR for 2 conditions, 2.06(95 % CI, 1.43-2.96); OR for 3 conditions, 3.23(95 % CI, 2.14-4.86); OR for 4 or more conditions, 5.61(95 % CI, 3.26-9.66). Similar associations were also observed between the quantity of chronic conditions and IADL disability. Conclusions: The quantity of chronic conditions had relatively strong association with both ADL and IADL disability. Initiating prevention of additional chronic conditions and interventions on clusters of diseases may decrease the potential risk of ADL/IADL disability. Additionally, more attention should been given to the older low-income women living with relatives/non-relatives with multimorbidity. [ABSTRACT FROM AUTHOR]
- Published
- 2016
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17. Effects of ferrous carbamoyl glycine on iron state and absorption in an iron-deficient rat model.
- Author
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Yuzhe Zhang, Xiaoming Sun, Chunyan Xie, Xugang Shu, Oladele Oso, Abimbola, Zheng Ruan, Ze-yuan Deng, Xin Wu, and Yulong Yin
- Abstract
An iron-deficient rat model was established and used to determine the effects of different iron sources on iron metabolism and absorption. Iron-deficient rats were assigned to one of three treatment groups, and their diet was supplemented with deionized water (control), Fe-CGly, or FeSO
4 for 8 days via intragastric administration. Blood samples were obtained for analysis of iron-related properties, and the small intestine and liver were removed for quantitative reverse transcription PCR of genes related to iron metabolism. The serum total iron-binding capacity (TIBC) levels of rats in Fe-CGly and FeSO4 supplementation groups was lower (P < 0.05) than that of the rats in the control group. The rats in Fe-CGly group exhibited higher (P < 0.05) plasma Fe and ferritin levels and lower (P < 0.05) TIBC levels compared with the rats in FeSO4 groups. The relative expression of liver hepcidin increased (P < 0.05) by tenfold and 80-fold in the Fe-CGly and FeSO4 groups, respectively, whereas divalent metal transporter 1, duodenal cytochrome b, and ferroportin 1 expression decreased (P < 0.05) in the duodenum in both Fe-CGly and FeSO4 group. A comparison between Fe-CGly and FeSO4 group showed that iron regulatory protein 1 (IRP1) and iron regulatory protein (IRP2) expressions were reduced (P < 0.05) in rats administered FeSO4 than in rats administered with Fe-Cgly. These results indicate that Fe-CGly rapidly improves the blood iron status and that IRP1 and IRP2 may play an important role in the intestinal absorption of Fe-CGly. [ABSTRACT FROM AUTHOR]- Published
- 2015
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18. The impact of reputation and identity congruence on employer brand attractiveness.
- Author
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Chunyan Xie, Bagozzi, Richard P., and Meland, Kjersti V.
- Abstract
Purpose - The purpose of this paper is to extend research on employer branding in the recruitment context. The authors develop a model that integrates research from employer branding, social identity theory, and person-organization fit in order to investigate the impact of company reputation and identity congruency between organizations and their job applicants on the attractiveness of an employer brand. Design/methodology/approach - An online survey was conducted to test the theoretical model in a recruitment context in the Norwegian offshore industry. Structural equation modelling is employed in the data analysis. Findings - A key finding is that a company's reputation and identity congruence between applicants' self-identities and their perceived organization identity affect job applicants' job pursuit intentions through mediation of cognitive social identity. Moreover, identity congruence predicts applicants' cognitive identification with the company. Practical implications - The study suggests that managers should try to map and understand central characteristics that describe job applicants' identities and strive to provide applicants with access to necessary information about the company to form cognitive identification with the company. Originality/value - The authors extend research on employer branding by incorporating social identity and attitude as mediators between symbolic and instrumental attributes of an employer brand and its attractiveness. This study also deepens research on social identity by including explicitly a comparison process between applicants' self-identities and their perceived organizational identity, which leads to applicants' identification with the company. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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19. Comparison of Kernel Class-dependence Feature Analysis (KCFA) with Kernel Discriminant Analysis (KDA) for Face Recognition.
- Author
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Chunyan Xie and Kumar, B.V.K.
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- 2007
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20. Robust Face Recognition Using Advanced Correlation Filters with Bijective-Mapping Preprocessing.
- Author
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Kanade, Takeo, Jain, Anil, Ratha, Nalini K., Savvides, Marios, Chunyan Xie, Chu, Nancy, Kumar, B. V. K. Vijaya, Podilchuk, Christine, Patel, Ankur, Harthattu, Ashwath, and Mammone, Richard
- Abstract
In this paper we explore performing robust face verification using Advanced Correlation Filters on Bijective-Mapping preprocessed face images. We show that using the proposed Bijective-Mapping preprocessing method we can increase verification performance (at 0.1% FAR) significantly in our experiments using the Face Recognition Grand Challenge (FRGC) database collected by the University of Notre Dame consisting of 152 subjects. This recognition experiment is challenging as the results reported on these experiments utilize only a single gallery image from each subject during the training phase and the probe images are captured in different time-lapsed sessions which vary mostly in pose and facial expression. [ABSTRACT FROM AUTHOR]
- Published
- 2005
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21. Release of feruloylated oligosaccharides from wheat bran through submerged fermentation by edible mushrooms.
- Author
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Chunyan Xie, Zhiyan Wu, Hongzhen Guo, and Zhenxin Gu
- Abstract
Wheat bran, a by-product of the flour industry, is believed to be a raw material for the production of feruloylated oligosaccharides (FOs) because of its high content of conjiont ferulic acid (FA). Studies were carried out to identify edible mushrooms that are able to release FOs from wheat bran. All the six tested mushrooms (Pleurotus ostreatus, Hericium erinaceum, Auricularia auricula, Cordyceps militaris, Agrocybe chaxingu, and Ganoderma lucium) were found to release FOs, and Agrocybe chaxingu had the highest yield, reaching 35.4μM in wheat bran broth. Enzymes detection showed that these species secreted extracellular enzymes during fermentation, including cellulase and xylanase. Agrocybe chaxingu secreted the significant amount of xylanase (180mUml
-1 ), which was responsible for the release of FOs from wheat bran, while Hericium erinaceum secreted FA esterase which could disassemble FOs. [ABSTRACT FROM AUTHOR]- Published
- 2014
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22. Effect of L-arginine on HSP70 expression in liver in weanling piglets.
- Author
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Xin Wu, Chunyan Xie, Yulong Yin, Fengna Li, Tiejun Li, Ruilin Huang, Zheng Ruan, and Zeyuan Deng
- Subjects
ARGININE ,PHOTOMICROGRAPHY ,PIGLETS ,IMMUNOHISTOCHEMISTRY ,LIVER - Abstract
Background: This study was conducted to evaluate the effects of L-arginine (Arg) on photomicrographs and HSP70 expression in the liver of weanling piglets. Twelve healthy Landrace x Yorkshire piglets that had been weaned at 21 d (average body weight 5.56 ± 0.51 kg) were randomly divided into a control group and an Arg group (6 g/kg feed). At age 28 d, all of the piglets were slaughtered to obtain liver samples to determine HSP70 expression by real-time PCR, western blot and immunohistochemistry. Results: The results showed that, compared to control piglets, treatment with Arg decreased inflammatory reactions caused by weaning. The immunohistochemical localization of HSP70 in liver revealed strong expression in the Arg group. Arg increased HSP70 mRNA and HSP70 expression in the liver (P < 0.05). Conclusions: These findings suggest that dietary supplementation with Arg could maintain liver health by inducing HSP70 expression in weanling piglets. [ABSTRACT FROM AUTHOR]
- Published
- 2013
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23. Statistical image analysis reveals features affecting fates of Myxococcus xanthus developmental aggregates.
- Author
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Chunyan Xie, Zhang, Haiyang, Shimkets, Lawrence J., and Igoshin, Oleg A.
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MYXOCOCCUS xanthus ,CELL morphology ,MOTILITY of bacteria ,MICROCINEMATOGRAPHY ,MARKOV processes ,QUANTITATIVE research - Abstract
Starving Myxococcus xanthus bacteria use their motility systems to self-organize into multicellular fruiting bodies, large mounds in which cells differentiate into metabolically inert spores. Despite the identification of the genetic pathways required for aggregation and the use of microcinematography to observe aggregation dynamics in WT and mutant strains, a mechanistic understanding of aggregation is still incomplete. For example, it is not clear why some of the initial aggregates mature into fruiting bodies, whereas others disperse, merge, or split into two. Here, we develop high-throughput image quantification and statistical analysis methods to gain insight into M. xanthus developmental aggregationdynamics. A quantitative metric of features characterizing each aggregate is used to deduce the properties of the aggregates that are correlated with each fate. The analysis shows that small aggregate size but not neighbor-related parameters correlate with aggregate dispersal. Furthermore, close proximity is necessary but not sufficient for aggregate merging. Finally, splitting occurs for those aggregates that are unusually large and elongated. These observations place severe constraints on the underlying aggregation mechanisms and present strong evidence against the role of long-range morphogenic gradients or biased cell exchange in the dispersal, merging, or splitting of transient aggregates. This approach can be expanded and adapted to study self-organization in other cellular systems. [ABSTRACT FROM AUTHOR]
- Published
- 2011
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24. Innovative corporate social responsibility: the founder's role in creating a trustworthy corporate brand through "green innovation".
- Author
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Hillestad, Tore, Chunyan Xie, and Haugland, Sven A.
- Subjects
SOCIAL responsibility of business ,CORPORATE image ,GREEN business ,INNOVATIONS in business ,PETROLEUM industry - Abstract
Purpose - The purpose of this study is to develop new knowledge on corporate branding from a corporate social responsibility (CSR) perspective. The paper is particularly concerned with how environmental awareness can function as a specific CSR activity, and how environmental awareness can impact corporate brand. The paper also investigates the role of personal leadership, both within the company and externally, in developing an environmentally responsible company. Design/methodology/approach - The paper uses an explorative research method and studies one company within the Norwegian offshore oil and gas industry. The analysis is based on qualitative interview data. Findings - The study shows how the founder's role as "cultural architect" has a positive impact on how external constituents assess the image of the company, especially with regard to the company's innovations and its awareness of environmental issues, in two ways: first, it shapes, coordinates, energizes and leverages employees' attitudes and behaviors in relation to environmental issues; second, it thereby enforces a positive external reputation for the company, especially as a "green innovator". Research limitations/implications - The findings are induced from a case study of one company in a particular industry. The results may therefore not be applicable or generalizable to other companies or other industries. Practical implications - The study suggests that companies may gain reputational advantages and differentiation in integrating corporate social responsibility and environmental awareness as a core element of their business strategy. Originality/value - The paper contributes to the corporate branding literature by exploring the role of CSR, and in particular concern for environmental issues and personal leadership, in building corporate reputation and developing a strong corporate brand. [ABSTRACT FROM AUTHOR]
- Published
- 2010
- Full Text
- View/download PDF
25. Impact of soaking and phytase treatments on phytic acid, calcium, iron and zinc in faba bean fractions.
- Author
-
Yuwei Luo, Weihua Xie, Chunyan Xie, Yan Li, and Zhenxin Gu
- Subjects
FAVA bean ,PHYTIC acid ,CALCIUM ,ZINC ,FLOUR - Abstract
With the aim to maximise phytic acid removal and minimise losses of dry matter and minerals (Ca, Fe, Zn) in faba bean, fractions of faba beans (whole faba beans, dehulled faba beans, hulls) and flours, were soaked in demineralised water at 10 °C (SDW), NaAc buffer of pH 3.5 at 10 °C (SAB), and 500 U L
−1 phytase of pH 5.5 at 50 °C (SPS). In whole seeds and flour, SAB removed 20–51% phytic acid from seeds, and SPS 100% from flour depending upon different preheating treatments; dry matter, Ca, Fe, and Zn losses were 1.8–18%, 20–61%, 33–61% and 8–51%. In dehulled seeds flour, phytic acid could be removed 100% by SPS treatments. In dehulled seeds and flour, losses of dry matter, Ca, Fe were 2.4–18.6%, 12–63%, 11–43%, and Zn apparent gain was 12–73% respectively. In hulls flour, SPS removed 80–82% phytic acid, and SAB 48–50% depending upon different preheating treatments; dry matter, Ca, Zn losses were 6.4–28.7%, 16–46%, 60–72%, and Fe apparent gain was 2–73%, respectively. Phytase application is an effective method to rapidly remove phytic acid while preserving relatively more dry matter and minerals than other soaking approaches in faba bean fractions. [ABSTRACT FROM AUTHOR]- Published
- 2009
- Full Text
- View/download PDF
26. Trying to prosume: toward a theory of consumers as co-creators of value.
- Author
-
Chunyan Xie, Bagozzi, Richard P., and Troye, Sigurd V.
- Subjects
CONSUMER behavior ,MARKETING ,CONSUMER attitudes ,HOUSEHOLDS ,MARKETING research ,CONSUMPTION (Economics) - Abstract
One important aspect in the service-dominant logic in marketing is the role of customers as co-creators of value. This role typically involves producing products for own consumption, i.e. what Toffler referred to as "prosumption." This study explores the motivational mechanisms underlying people's prosumption propensity. A theoretical framework that incorporates ideas from value research and attitude theory, specifically the "theory of trying" (Bagozzi and Warshaw in Journal of Consumer Research 17:127-140, 1990), is developed and tested in the empirical context of food prosumption. The results based on a survey of 380 households show that global values influence domain-specific values in food prosumption, and domain-specific values then affect attitudes, self-efficacy, and on-going behavior before ultimately shaping intentions to engage in prosumption in the future. [ABSTRACT FROM AUTHOR]
- Published
- 2008
- Full Text
- View/download PDF
27. Correlation Pattern Recognition for Face Recognition.
- Author
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Vijaya Kumar, Bhagavatula V. K., Savvides, Marios, and Chunyan Xie
- Subjects
HUMAN facial recognition software ,PATTERN recognition systems ,DIGITAL cameras ,STATISTICAL correlation ,FOURIER transforms - Abstract
Two-dimensional (2-D) face recognition (FR) is of interest in many verification (1 : 1 matching) and identification (1 : N matching) applications because of its nonintrusive nature and because digital cameras are becoming ubiquitous. However, the performance of 2-D FR systems can be degraded by natural factors such as expressions, illuminations, pose, and aging. Several FR algorithms have been proposed to deal with the resulting appearance variability. However, most of these methods employ features derived in the image or the space domain whereas there are benefits to working in the spatial frequency domain (i.e., the 2-D Fourier transforms of the images). These benefits include shift-invariance, graceful degradation, and closed-form solutions, we discuss the use of spatial frequency domain methods (also known as correlation filters or correlation pattern recognition) for FR and illustrate the advantages. However, correlation filters can be computationally demanding due to the need for computing 2-D Fourier transforms and may not match well for large-scale FR problems such as in the Face Recognition Grand Challenge (FRGC) phase-II experiments that require the computation of millions of similarity metrics. We will discuss a new method [called the class-dependence feature analysis (CFA)] that reduces the computational complexity of correlation pattern recognition and show the results of applying CFA to the FRGC phase-II data. [ABSTRACT FROM AUTHOR]
- Published
- 2006
- Full Text
- View/download PDF
28. Class Dependent Kernel Discrete Cosine Transform Features for Enhanced Holistic Face Recognition in FRGC-II.
- Author
-
Savvides, M., Jingu Heo, Abiantun, R., Chunyan Xie, and Kumar, B.V.K.V.
- Published
- 2006
- Full Text
- View/download PDF
29. Face Recognition with Kernel Correlation Filters on a Large Scale Database.
- Author
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Jingu Heo, Savvides, M., Abiantun, R., Chunyan Xie, and Vijayakumar, V.B.K.
- Published
- 2006
- Full Text
- View/download PDF
30. Comparison of Feature Space Methods for Face Recognition.
- Author
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Chunyan Xie, Savvides, M., and Kumar, B.V.K.V.
- Published
- 2006
- Full Text
- View/download PDF
31. Redundant Class-Dependence Feature Analysis Based on Correlation Filters Using FRGC2.0 Data.
- Author
-
Chunyan Xie, Savvides, M., and Kumar, B.V.K.V.
- Published
- 2005
- Full Text
- View/download PDF
32. Spatial frequency domain image processing for biometric recognition.
- Author
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Vijaya Kumar, B.V.K., Savvides, M., Venkataramani, K., and Chunyan Xie
- Published
- 2002
- Full Text
- View/download PDF
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