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602 results on '"Banerjee, Amitava"'

2. Prognosis, characteristics, and provision of care for patients with the unspecified heart failure electronic health record phenotype: a population-based linked cohort study of 95262 individuals.

Author

Nakao, Yoko, Nakao, Kazuhiro, Nadarajah, Ramesh, Banerjee, Amitava, Fonarow, Gregg, Petrie, Mark, Rahimi, Kazem, Wu, Jianhua, and Gale, Chris

Subjects
Care quality, Electronic health records, Heart failure, Outcome
Abstract

BACKGROUND: Whether the accuracy of the phenotype ascribed to patients in electronic health records (EHRs) is associated with variation in prognosis and care provision is unknown. We investigated this for heart failure (HF, characterised as HF with preserved ejection fraction [HFpEF], HF with reduced ejection fraction [HFrEF] and unspecified HF). METHODS: We included individuals aged 16 years and older with a new diagnosis of HF between January 2, 1998 and February 28, 2022 from linked primary and secondary care records in the Clinical Practice Research Datalink in England. We investigated the provision of guideline-recommended diagnostic investigations and pharmacological treatments. The primary outcome was a composite of HF hospitalisation or all-cause death, and secondary outcomes were time to HF hospitalisation, all-cause death and death from cardiovascular causes. We used Kaplan-Meier curves and log rank tests to compare survival across HF phenotypes and adjusted for potential confounders in Cox proportional hazards regression analyses. FINDINGS: Of a cohort of 95,262 individuals, 1271 (1.3%) were recorded as having HFpEF, 10,793 (11.3%) as HFrEF and 83,198 (87.3%) as unspecified HF. Individuals recorded as unspecified HF were older with a higher prevalence of dementia. Unspecified HF, compared to patients with a recorded HF phenotype, were less likely to receive specialist assessment, echocardiography or natriuretic peptide testing in the peri-diagnostic period, or receive angiotensin-converting enzyme inhibitors, beta blockers or mineralocorticoid receptor antagonists up to 12 months after diagnosis (risk ratios compared to HFrEF, 0.64, 95% CI 0.63-0.64; 0.59, 0.58-0.60; 0.57, 0.55-0.59; respectively) and had significantly worse outcomes (adjusted hazard ratios compared to HFrEF, HF hospitalisation and death 1.66, 95% CI 1.59-1.74; all-cause mortality 2.00, 1.90-2.10; cardiovascular death 1.77, 1.65-1.90). INTERPRETATION: Our findings suggested that absence of specification of HF phenotype in routine EHRs is inversely associated with clinical investigations, treatments and survival, representing an actionable target to mitigate prognostic and health resource burden. FUNDING: Japan Research Foundation for Healthy Aging and British Heart Foundation.

Published
2023

3. Atomistic Simulation Informs Interface Engineering of Nanoscale LiCoO2

Author

Dahl, Spencer, Aoki, Toshihiro, Banerjee, Amitava, Uberuaga, Blas Pedro, and Castro, Ricardo HR

Subjects
Affordable and Clean Energy, Chemical Sciences, Engineering, Materials
Abstract

Lithium-ion batteries continue to be a critical part of the search for enhanced energy storage solutions. Understanding the stability of interfaces (surfaces and grain boundaries) is one of the most crucial aspects of cathode design to improve the capacity and cyclability of batteries. Interfacial engineering through chemical modification offers the opportunity to create metastable states in the cathodes to inhibit common degradation mechanisms. Here, we demonstrate how atomistic simulations can effectively evaluate dopant interfacial segregation trends and be an effective predictive tool for cathode design despite the intrinsic approximations. We computationally studied two surfaces, {001} and {104}, and grain boundaries, Σ3 and Σ5, of LiCoO2 to investigate the segregation potential and stabilization effect of dopants. Isovalent and aliovalent dopants (Mg2+, Ca2+, Sr2+, Sc3+, Y3+, Gd3+, La3+, Al3+, Ti4+, Sn4+, Zr4+, V5+) were studied by replacing the Co3+ sites in all four of the constructed interfaces. The segregation energies of the dopants increased with the ionic radius of the dopant. They exhibited a linear dependence on the ionic size for divalent, trivalent, and quadrivalent dopants for surfaces and grain boundaries. The magnitude of the segregation potential also depended on the surface chemistry and grain boundary structure, showing higher segregation energies for the Σ5 grain boundary compared with the lower energy Σ3 boundary and higher for the {104} surface compared to the {001}. Lanthanum-doped nanoparticles were synthesized and imaged with scanning transmission electron microscopy-electron energy loss spectroscopy (STEM-EELS) to validate the computational results, revealing the predicted lanthanum enrichment at grain boundaries and both the {001} and the {104} surfaces.

Published
2022

4. 2024 ACC/AHA Key Data Elements and Definitions for Social Determinants of Health in Cardiology: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Data Standards

Author

Morris, Alanna A., Masoudi, Frederick A., Abdullah, Abdul R., Banerjee, Amitava, Brewer, LaPrincess C., Commodore-Mensah, Yvonne, Cram, Peter, DeSilvey, Sarah C., Hines, Anika L., Ibrahim, Nasrien E., Jackson, Elizabeth A., Joynt Maddox, Karen E., Makaryus, Amgad N., Piña, Ileana L., Rodriguez-Monserrate, Carla Patricia, Roger, Véronique L., Thorpe, Fran F., and Williams, Kim A., Sr.

Published
2024
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9. Sex-Based Disparities in Acute Myocardial Infarction Treatment Patterns and Outcomes in Older Adults Hospitalized Across 6 High-Income Countries: An Analysis From the International Health Systems Research Collaborative

Author

Lu, Hannah, Hatfield, Laura A., Al-Azazi, Saeed, Bakx, Pieter, Banerjee, Amitava, Burrack, Nitzan, Chen, Yu-Chin, Fu, Christina, Gordon, Michal, Heine, Renaud, Huang, Nicole, Ko, Dennis T., Lix, Lisa M., Novack, Victor, Pasea, Laura, Qiu, Feng, Stukel, Therese A., Uyl-de Groot, Carin A., Weinreb, Gabe, Landon, Bruce E., and Cram, Peter

Published
2024
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24. The impact of the COVID-19 pandemic on cardiovascular disease prevention and management

Author

Dale, Caroline E., Takhar, Rohan, Carragher, Raymond, Katsoulis, Michail, Torabi, Fatemeh, Duffield, Stephen, Kent, Seamus, Mueller, Tanja, Kurdi, Amanj, Le Anh, Thu Nguyen, McTaggart, Stuart, Abbasizanjani, Hoda, Hollings, Sam, Scourfield, Andrew, Lyons, Ronan A., Griffiths, Rowena, Lyons, Jane, Davies, Gareth, Harris, Daniel, Handy, Alex, Mizani, Mehrdad A., Tomlinson, Christopher, Thygesen, Johan H., Ashworth, Mark, Denaxas, Spiros, Banerjee, Amitava, Sterne, Jonathan A. C., Brown, Paul, Bullard, Ian, Priedon, Rouven, Mamas, Mamas A., Slee, Ann, Lorgelly, Paula, Pirmohamed, Munir, Khunti, Kamlesh, Morris, Andrew D., Sudlow, Cathie, Akbari, Ashley, Bennie, Marion, Sattar, Naveed, and Sofat, Reecha

Published
2023
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25. Patient and public involvement within epidemiological studies of long COVID in the UK

Author

Routen, Ash, O’Mahoney, Lauren, Aiyegbusi, Olalekan Lee, Alder, Yvonne, Banerjee, Amitava, Buckland, Lewis, Brightling, Chris, Calvert, Melanie, Camaradou, Jenny, Chaturvedi, Nishi, Chong, Amy, Dalrymple, Emma, Eggo, Rosalind M., Elliott, Paul, Evans, Rachael A., Gibson, Andy, Haroon, Shamil, Herrett, Emily, Houchen-Wolloff, Linzy, Hughes, Sarah E., Jeyes, Flic, Matthews, Karen, McMullan, Christel, Morley, Jessica, Shafran, Roz, Smith, Nikki, Stanton, David, Stephenson, Terence, Sterne, Jonathan, Turner, Grace M., Ward, Helen, and Khunti, Kamlesh

Published
2023
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29. Identifying subtypes of type 2 diabetes mellitus with machine learning: development, internal validation, prognostic validation and medication burden in linked electronic health records in 420 448 individuals

Author

Mizani, Mehrdad A, primary, Dashtban, Ashkan, additional, Pasea, Laura, additional, Zeng, Qingjia, additional, Khunti, Kamlesh, additional, Valabhji, Jonathan, additional, Mamza, Jil Billy, additional, Gao, He, additional, Morris, Tamsin, additional, and Banerjee, Amitava, additional

Published
2024
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32. Cardiac resynchronization therapy in inotrope‐dependent heart failure: a meta‐analysis

Author

Al‐Shakarchi, Nader J., primary, Ho, Jamie S.Y., additional, Bray, Jonathan J.H., additional, D'Ascenzo, Fabrizio, additional, Duffy, Edward, additional, Hewett, Jack, additional, Adegbie, Divine, additional, Khan, Faizullah, additional, Kumar, Niraj S., additional, Patel, Neal, additional, Ahmad, Mahmood, additional, Banerjee, Amitava, additional, Haq, Ikram, additional, and Providencia, Rui, additional

Published
2024
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34. Long COVID and cardiovascular disease: a prospective cohort study

Author

Lawson, Claire Alexandra, primary, Moss, Alastair James, additional, Arnold, Jayanth Ranjit, additional, Bagot, Catherine, additional, Banerjee, Amitava, additional, Berry, Colin, additional, Greenwood, John, additional, Hughes, Alun D, additional, Khunti, Kamlesh, additional, Mills, Nicholas L, additional, Neubauer, Stefan, additional, Raman, Betty, additional, Sattar, Naveed, additional, Leavy, Olivia C, additional, Richardson, Matthew, additional, Elneima, Omer, additional, McAuley, Hamish JC, additional, Shikotra, Aarti, additional, Singapuri, Amisha, additional, Sereno, Marco, additional, Saunders, Ruth, additional, Harris, Victoria, additional, Houchen-Wolloff, Linzy, additional, Greening, Neil J, additional, Harrison, Ewen, additional, Docherty, Annemarie B, additional, Lone, Nazir I, additional, Quint, Jennifer Kathleen, additional, Chalmers, James, additional, Ho, Ling-Pei, additional, Horsley, Alex, additional, Marks, Michael, additional, Poinasamy, Krisnah, additional, Evans, Rachael, additional, Wain, Louise V, additional, Brightling, Chris, additional, and McCann, Gerry P, additional

Published
2024
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38. CODE-EHR best-practice framework for the use of structured electronic health-care records in clinical research

Author

Kotecha, Dipak, Asselbergs, Folkert W, Achenbach, Stephan, Anker, Stefan D, Atar, Dan, Baigent, Colin, Banerjee, Amitava, Beger, Birgit, Brobert, Gunnar, Casadei, Barbara, Ceccarelli, Cinzia, Cowie, Martin R, Crea, Filippo, Cronin, Maureen, Denaxas, Spiros, Derix, Andrea, Fitzsimons, Donna, Fredriksson, Martin, Gale, Chris P, Gkoutos, Georgios V, Goettsch, Wim, Hemingway, Harry, Ingvar, Martin, Jonas, Adrian, Kazmierski, Robert, Løgstrup, Susanne, Lumbers, R Thomas, Lüscher, Thomas F, McGreavy, Paul, Piña, Ileana L, Roessig, Lothar, Steinbeisser, Carl, Sundgren, Mats, Tyl, Benoît, Thiel, Ghislaine van, Bochove, Kees van, Vardas, Panos E, Villanueva, Tiago, Vrana, Marilena, Weber, Wim, Weidinger, Franz, Windecker, Stephan, Wood, Angela, and Grobbee, Diederick E

Published
2022
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40. COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records

Author

Abbasizanjani, Hoda, Ahmed, Nida, Ahmed, Badar, Akbari, Ashley, Akinoso-Imran, Abdul Qadr, Allara, Elias, Allery, Freya, Angelantonio, Emanuele Di, Ashworth, Mark, Ayyar-Gupta, Vandana, Babu-Narayan, Sonya, Bacon, Seb, Ball, Steve, Banerjee, Ami, Barber, Mark, Barrett, Jessica, Bennie, Marion, Berry, Colin, Beveridge, Jennifer, Birney, Ewan, Bojanić, Lana, Bolton, Thomas, Bone, Anna, Boyle, Jon, Braithwaite, Tasanee, Bray, Ben, Briffa, Norman, Brind, David, Brown, Katherine, Buch, Maya, Canoy, Dexter, Caputo, Massimo, Carragher, Raymond, Carson, Alan, Cezard, Genevieve, Chang, Jen-Yu Amy, Cheema, Kate, Chin, Richard, Chudasama, Yogini, Cooper, Jennifer, Copland, Emma, Crallan, Rebecca, Cripps, Rachel, Cromwell, David, Curcin, Vasa, Curry, Gwenetta, Dale, Caroline, Danesh, John, Das-Munshi, Jayati, Dashtban, Ashkan, Davies, Alun, Davies, Joanna, Davies, Gareth, Davies, Neil, Day, Joshua, Delmestri, Antonella, Denaxas, Spiros, Denholm, Rachel, Dennis, John, Denniston, Alastair, Deo, Salil, Dhillon, Baljean, Docherty, Annemarie, Dong, Tim, Douiri, Abdel, Downs, Johnny, Dregan, Alexandru, Ellins, Elizabeth A, Elwenspoek, Martha, Falck, Fabian, Falter, Florian, Fan, Yat Yi, Firth, Joseph, Fraser, Lorna, Friebel, Rocco, Gavrieli, Amir, Gerstung, Moritz, Gilbert, Ruth, Gillies, Clare, Glickman, Myer, Goldacre, Ben, Goldacre, Raph, Greaves, Felix, Green, Mark, Grieco, Luca, Griffiths, Rowena, Gurdasani, Deepti, Halcox, Julian, Hall, Nick, Hama, Tuankasfee, Handy, Alex, Hansell, Anna, Hardelid, Pia, Hardy, Flavien, Harris, Daniel, Harrison, Camille, Harron, Katie, Hassaine, Abdelaali, Hassan, Lamiece, Healey, Russell, Hemingway, Harry, Henderson, Angela, Herz, Naomi, Heyl, Johannes, Hidajat, Mira, Higginson, Irene, Hinchliffe, Rosie, Hippisley-Cox, Julia, Ho, Frederick, Hocaoglu, Mevhibe, Hollings, Sam, Horne, Elsie, Hughes, David, Humberstone, Ben, Inouye, Mike, Ip, Samantha, Islam, Nazrul, Jackson, Caroline, Jenkins, David, Jiang, Xiyun, Johnson, Shane, Kadam, Umesh, Kallis, Costas, Karim, Zainab, Kasan, Jake, Katsoulis, Michalis, Kavanagh, Kim, Kee, Frank, Keene, Spencer, Kent, Seamus, Khalid, Sara, Khawaja, Anthony, Khunti, Kamlesh, Killick, Richard, Kinnear, Deborah, Knight, Rochelle, Kolamunnage-Dona, Ruwanthi, Kontopantelis, Evan, Kurdi, Amanj, Lacey, Ben, Lai, Alvina, Lambarth, Andrew, Larzjan, Milad Nazarzadeh, Lawler, Deborah, Lawrence, Thomas, Lawson, Claire, Li, Qiuju, Li, Ken, Llinares, Miguel Bernabeu, Lorgelly, Paula, Lowe, Deborah, Lyons, Jane, Lyons, Ronan, Machado, Pedro, Macleod, Mary Joan, Macleod, John, Malgapo, Evaleen, Mamas, Mamas, Mamouei, Mohammad, Manohar, Sinduja, Mapeta, Rutendo, Martelli, Javiera Leniz, Martos, David Moreno, Mateen, Bilal, McCarthy, Aoife, Melville, Craig, Milton, Rebecca, Mizani, Mehrdad, Moncusi, Marta Pineda, Morales, Daniel, Mordi, Ify, Morrice, Lynn, Morris, Carole, Morris, Eva, Mu, Yi, Mueller, Tanja, Murdock, Lars, Nafilyan, Vahé, Nicholson, George, Nikiphorou, Elena, Nolan, John, Norris, Tom, Norris, Ruth, North, Laura, North, Teri-Louise, O'Connell, Dan, Oliver, Dominic, Oluyase, Adejoke, Olvera-Barrios, Abraham, Omigie, Efosa, Onida, Sarah, Padmanabhan, Sandosh, Palmer, Tom, Pasea, Laura, Patel, Riyaz, Payne, Rupert, Pell, Jill, Petitjean, Carmen, Pherwani, Arun, Pickrell, Owen, Pierotti, Livia, Pirmohamed, Munir, Priedon, Rouven, Prieto-Alhambra, Dani, Proudfoot, Alastair, Quinn, Terry, Quint, Jennifer, Raffetti, Elena, Rahimi, Kazem, Rao, Shishir, Razieh, Cameron, Roberts, Brian, Rogers, Caroline, Rossdale, Jennifer, Salim, Safa, Samani, Nilesh, Sattar, Naveed, Schnier, Christian, Schwartz, Roy, Selby, David, Seminog, Olena, Shabnam, Sharmin, Shah, Ajay, Shelton, Jon, Sheppard, James, Sinha, Shubhra, Skrypak, Mirek, Slapkova, Martina, Sleeman, Katherine, Smith, Craig, Sofat, Reecha, Sosenko, Filip, Sperrin, Matthew, Steeg, Sarah, Sterne, Jonathan, Stoica, Serban, Sudell, Maria, Sudlow, Cathie, Sun, Luanluan, Suseeladevi, Arun Karthikeyan, Sweeting, Michael, Sydes, Matt, Takhar, Rohan, Tang, Howard, Thygesen, Johan, Tilston, George, Tochel, Claire, Toit, Clea du, Tomlinson, Christopher, Toms, Renin, Torabi, Fatemeh, Torralbo, Ana, Townson, Julia, Tufail, Adnan, Tungamirai, Tapiwa, Varma, Susheel, Vollmer, Sebastian, Walker, Venexia, Wang, Tianxiao, Wang, Huan, Warwick, Alasdair, Watkinson, Ruth, Watson, Harry, Whiteley, William, Whittaker, Hannah, Wilde, Harry, Wilkinson, Tim, Williams, Gareth, Williams, Michelle, Williams, Richard, Withnell, Eloise, Wolfe, Charles, Wood, Angela, Wright, Lucy, Wu, Honghan, Wu, Jinge, Wu, Jianhua, Yates, Tom, Zaccardi, Francesco, Zhang, Haoting, Zhang, Huayu, Zuccolo, Luisa, Thygesen, Johan H, Mizani, Mehrdad A, Banerjee, Amitava, Lai, Alvina G, Li, Kezhi, Mateen, Bilal A, Sterne, Jonathan A C, Pagel, Christina, and Whiteley, William N

Published
2022
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45. Hospitalization for Heart Failure in the United States, UK, Taiwan, and Japan: An International Comparison of Administrative Health Records on 413,385 Individual Patients

Author

Sundaram, VARUN, NAGAI, TOSHIYUKI, CHIANG, CHERN-EN, REDDY, YOGESH N.V., CHAO, TZE-FAN, ZAKERI, ROSITA, BLOOM, CHLOE, NAKAI, MICHIKAZU, NISHIMURA, KUNIHIRO, HUNG, CHUNG-LIEH, MIYAMOTO, YOSHIHIRO, YASUDA, SATOSHI, BANERJEE, AMITAVA, ANZAI, TOSHIHISA, SIMON, DANIEL I., RAJAGOPALAN, SANJAY, CLELAND, JOHN G.F., SAHADEVAN, JAYAKUMAR, and QUINT, JENNIFER K.

Published
2022
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46. A comparison of clinical outcomes between vaccinated and vaccine-naive patients of COVID-19, in four tertiary care hospitals of Kerala, South India

Author

Balachandran, Sabarish, Moni, Merlin, Sathyapalan, Dipu T., Varghese, Prinoj, Jose, Manoj P., Murugan, Mithun R., Rajan, C., Saboo, Dhanraj, Nair, Sooraj S., Varkey, Reshmi Ann, Balachandran, Parvathy, Menon, Geetha R., Vasudevan, Beena K., Banerjee, Amitava, Janakiram, Chandrasekhar, and Menon, Jaideep C.

Published
2022
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47. Understanding and tracking the impact of long COVID in the United Kingdom

Author

Routen, Ash, O’Mahoney, Lauren, Ayoubkhani, Daniel, Banerjee, Amitava, Brightling, Chris, Calvert, Melanie, Chaturvedi, Nishi, Diamond, Ian, Eggo, Rosalind, Elliott, Paul, Evans, Rachael A., Haroon, Shamil, Herret, Emily, O’Hara, Margaret E., Shafran, Roz, Stanborough, Julie, Stephenson, Terence, Sterne, Jonathan, Ward, Helen, and Khunti, Kamlesh

Published
2022
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48. Optical analysis of MoS2 and its hybrid sheets.

Author

Siddiqui, Moin Ali, Ahmed, Shahzad, Ansari, Arshiya, Varshney, Ghanshyam, Banerjee, Amitava, Negi, Devendra Singh, and Ranjan, Pranay

Subjects
VAN der Waals forces, HYBRID materials, ADHESIVE tape, SILICON wafers, RAMAN spectroscopy, MOLYBDENUM disulfide
Abstract

The technique of micro-exfoliation has gained prominence as a highly effective and adaptable method for exploiting two-dimensional (2D) materials, such as graphene Transition metal dichalcogenides (TMDCs), Borophene, Molybdenum disulfide (MoS2), among others. This paper presents an analysis of optical images and the micro exfoliation technique, focusing on the application to MoS2 and graphene. Additionally, the study investigates the exfoliated sheet of graphene, MoS2, and their hybrid on a (111) crystal plane of silicon wafer. The micro-exfoliation technique employed for MoS2 involves a mechanical process that gently disentangles the layers of MoS2 from the larger crystal structure, resulting in the formation of ultrathin two-dimensional nanosheets. This paper comprehensively analyses the exfoliation processes' mechanisms, emphasizing the intricate relationship between van der Waals forces, interlayer bonding, and external forces. The micro-mechanical exfoliation, a fundamental technique, entails the utilization of adhesive scotch tape to remove monolayers from a large MoS2 crystal delicately. The integration of MoS2 into various applications such as electronics, optoelectronics, sensors, and energy storage devices has been driven by its exceptional properties, including its distinctive electronic, optical, and mechanical characteristics. Furthermore, the ability to adjust the bandgap of MoS2 has created novel opportunities for potential applications in the field of semiconductors. This paper provides a succinct summary of recent studies, that have concentrated on the optical characterization of MoS2 monolayers. Optical and Raman spectroscopy was employed to characterize the 2D sheets of MoS2 and its hybrid materials. [ABSTRACT FROM AUTHOR]

Published
2024
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49. Morphological analysis of MoS2-alumina nanocomposite tapes/films: Effects of additives and processing conditions.

Author

Ahmed, Shahzad, Ansari, Arshiya, Siddiqui, Moin Ali, Varshney, Ghanshyam, Khan, Afzal, Banerjee, Amitava, Negi, Devendra Singh, and Ranjan, Pranay

Subjects
COMPOSITE materials, METALLIC oxides, SOL-gel processes, LOW temperatures, ALUMINUM oxide
Abstract

The sol-gel methodology has been extensively utilized in the production of metal oxide solutions, commonly known as sols. This technique represents a cost-effective and facile approach to the production of metal oxide solutions, achieved through the utilization of lower temperatures. Here, this paper presents a cost-effective and straightforward method, referred to as 'gel-cast,' for fabricating tape/film composed of a composite material consisting of alumina (Al2O3) and molybdenum disulfide (MoS2). The composite material was synthesized through the even distribution of MoS2 powder within an alumina sol, which was developed using the sol-gel method. The morphological investigations were undertaken to ascertain the characteristics of the tape/film subsequent to the introduction of additives. The composition of the tape/film was also examined both prior to and following the annealing process. [ABSTRACT FROM AUTHOR]

Published
2024
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50. Synthesis of MoS2 nanomaterial by liquid exfoliation and ball milling: A comparative study.

Author

Ansari, Arshiya, Ahmed, Shahzad, Siddiqui, Moin Ali, Varshney, Ghanshyam, Khan, Afzal, Banerjee, Amitava, Negi, Devendra Singh, and Ranjan, Pranay

Subjects
VAN der Waals forces, FIELD emission electron microscopy, CHEMICAL bonds, MOLYBDENUM disulfide, X-ray diffraction
Abstract

Industrial applications and fundamental scientific research involving the scalable development of high-quality Molybdenum disulfide (MoS2) nanosheets continue to present significant challenges. MoS2 is a material with a two-dimensional (2D) structure consisting of a single layer of molybdenum atoms positioned between two layers of sulfur atoms. The primary type of bonding present within each layer is primarily covalent in nature, characterized by the formation of robust chemical bonds between the atoms of molybdenum and sulfur. Nevertheless, the predominant driving force behind the interactions among the layers of MoS2 is attributed to van der Waals forces. This study utilizes a top-down approach to synthesize MoS2 nanomaterials from their bulk counterpart. This is achieved through the implementation of grinding via liquid exfoliation and ball milling methods. These methods effectively mitigate the influence of weak van der Waals forces that exist between the layers of MoS2, resulting in the production of nanomaterials derived from their bulk counterparts. This study compared the above methods using Field Emission Scanning Electron Microscopy (FESEM) and X-ray Diffraction (XRD). [ABSTRACT FROM AUTHOR]

Published
2024
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