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Zhao H, Kumar P, Sobreira TJP, Smith M, Novick S, Johansson A, Luchniak A, Zhang A, Woollard KJ, Larsson N, Kawatkar A. Integrated Proteomics Characterization of NLRP3 Inflammasome Inhibitor MCC950 in Monocytic Cell Line Confirms Direct MCC950 Engagement with Endogenous NLRP3. ACS Chem Biol 2024; 19:962-972. [PMID: 38509779 DOI: 10.1021/acschembio.3c00777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Inhibition of the NLRP3 inflammasome is a promising strategy for the development of new treatments for inflammatory diseases. MCC950 is a potent and selective small-molecule inhibitor of the NLRP3 pathway and has been validated in numerous species and disease models. Although the capacity of MCC950 to block NLRP3 signaling is well-established, it is still critical to identify the mechanism of action and molecular targets of MCC950 to inform and derisk drug development. Quantitative proteomics performed in disease-relevant systems provides a powerful method to study both direct and indirect pharmacological responses to small molecules to elucidate the mechanism of action and confirm target engagement. A comprehensive target deconvolution campaign requires the use of complementary chemical biology techniques. Here we applied two orthogonal chemical biology techniques: compressed Cellular Thermal Shift Assay (CETSA) and photoaffinity labeling chemoproteomics, performed under biologically relevant conditions with LPS-primed THP-1 cells, thereby deconvoluting, for the first time, the molecular targets of MCC950 using chemical biology techniques. In-cell chemoproteomics with inlysate CETSA confirmed the suspected mechanism as the disruption of inflammasome formation via NLRP3. Further cCETSA (c indicates compressed) in live cells mapped the stabilization of NLRP3 inflammasome pathway proteins, highlighting modulation of the targeted pathway. This is the first evidence of direct MCC950 engagement with endogenous NLRP3 in a human macrophage cellular system using discovery proteomics chemical biology techniques, providing critical information for inflammasome studies.
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Affiliation(s)
- Heng Zhao
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Praveen Kumar
- Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | | | - Mackenzie Smith
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Steven Novick
- Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Anders Johansson
- Medicinal Chemistry, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, 43183 Mölndal, Sweden
| | - Anna Luchniak
- Mechanistic and Structural Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, 43183 Mölndal, Sweden
| | - Andrew Zhang
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Kevin J Woollard
- Bioscience Renal, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, CB2 OAA Cambridge, U.K
| | - Niklas Larsson
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, 43183 Mölndal, Sweden
| | - Aarti Kawatkar
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
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Kumar A, Singh AR, Raghav LP, Deng Y, He X, Bansal R, Kumar P, Naidoo R. State-of-the-art review on energy sharing and trading of resilient multi microgrids. iScience 2024; 27:109549. [PMID: 38623328 PMCID: PMC11016907 DOI: 10.1016/j.isci.2024.109549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024] Open
Abstract
Independently run single microgrids (MGs) encounter difficulties with inadequate self-consumption of local renewable energy and frequent power exchange with the grid. Combining numerous MGs to form a multi-microgrid (MMG) is a viable approach to enhance smart distribution networks' operational and financial performance. However, the correlation and coordination of intermittent power generation within each MG network pose many techno-economic challenges for energy sharing and trading. This review offers a comprehensive analysis of these challenges within the framework of MMG operations. It examines state-of-the-art methodologies for optimizing multi-energy dispatch and scrutinizes contemporary strategies within energy markets that contribute to the resilience of power systems. The discourse extends to the burgeoning role of blockchain technology in revolutionizing decentralized market frameworks and the intricacies of MMG coordination for reliable and cost-effective energy distribution. Overall, this study provides ample inspiration for theoretical and practical research to the new entrants and experts alike to develop new concepts for energy markets, scheduling and novel operating models for future resilient multi-energy networked systems/MMGs.
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Affiliation(s)
- Abhishek Kumar
- Research Group for Energy Network Transition (ReGENT), College of Electrical Engineering, Zhejiang University, Hangzhou, P.R. China
| | - Arvind R. Singh
- School of Physics and Electronics Engineering, Hanjiang Normal University, Shiyan, P.R. China
- Department of Electrical, Electronic and Computer Engineering, University of Pretoria, Pretoria, South Africa
| | - L. Phani Raghav
- Department of Electrical Engineering, Anil Neerukonda Institute of Technology and Sciences, India
| | - Yan Deng
- Research Group for Energy Network Transition (ReGENT), College of Electrical Engineering, Zhejiang University, Hangzhou, P.R. China
| | - Xiangning He
- Research Group for Energy Network Transition (ReGENT), College of Electrical Engineering, Zhejiang University, Hangzhou, P.R. China
| | - R.C. Bansal
- Department of Electrical, Electronic and Computer Engineering, University of Pretoria, Pretoria, South Africa
- Department of Electrical Engineering, University of Sharjah, Sharjah, United Arab Emirates
| | - Praveen Kumar
- Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India
| | - R.M. Naidoo
- Department of Electrical, Electronic and Computer Engineering, University of Pretoria, Pretoria, South Africa
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Nath Y, Kumar P, Pradeep M. Antecedents of rapport and its mediating role on relational cohesion in patient-physician interaction. Heliyon 2024; 10:e28372. [PMID: 38571579 PMCID: PMC10987995 DOI: 10.1016/j.heliyon.2024.e28372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 03/14/2024] [Accepted: 03/18/2024] [Indexed: 04/05/2024] Open
Abstract
Increasing competition in healthcare services, it is imperative that physicians and family-care practitioners seek ways to attract and retain patients. Building relationships with existing patients is one sure way to continued patronage and increased clientele. The purpose of this paper is to examine antecedents of rapport and its influence on perceived relationships in the context of patient-physician interaction. Study using cross-sectional survey method with structured questionnaire was used for data collection. Structural Equation Modeling was used for analyzing the data collected from 326 patients residing in Karnataka, India. The finding suggests that respect, responsibility and understanding have significant influence on relational cohesion with rapport acting as mediating variable. The results add to the empirical validity of the relationship among rapport, respect & relationship, as it is required to understand studied in Indian context. The finding provides new directions for both healthcare professionals and institutions in their endeavor of building relationships with their customers (Patients) by emphasizing the need for developing 'rapport' as an integral part of service interaction. Future research like longitudinal and experimental studies can provide more conclusive evidence regarding the influence of service behaviour on rapport.
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Affiliation(s)
- Yuvaraj Nath
- JSS Centre for Management Studies, JSS Science and Technology University, Mysuru, Karnataka, India
| | | | - M.P. Pradeep
- Department of Management Studies, JSS Academy of Technical Education, Bangalore, Karnataka, India
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Sharma S, Kumar N, Rouse BT, Sharma K, Chaubey KK, Singh S, Kumar P, Kumar P. The role, relevance and management of immune exhaustion in bovine infectious diseases. Heliyon 2024; 10:e28663. [PMID: 38596123 PMCID: PMC11002068 DOI: 10.1016/j.heliyon.2024.e28663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/11/2024] Open
Abstract
Immune exhaustion is a state of immune cell dysfunction that occurs most commonly following chronic exposure to an antigen which persists after the immune response fails to remove it. Exhaustion has been studied most thoroughly with several cancers, but has also been observed in several chronic infectious diseases. The topic has mainly been studied with CD8+ T cells, but it can also occur with CD4+ T cells and other immune cell types too. Exhaustion is characterized by a hierarchical loss of effector cell functions, up-regulation of immuno-inhibitory receptors, disruption of metabolic activities, and altered chromatin landscapes. Exhaustion has received minimal attention so far in diseases of veterinary significance and this review's purpose is to describe examples where immune exhaustion is occurring in several bovine disease situations. We also describe methodology to evaluate immune exhaustion as well as the prospects of controlling exhaustion and achieving a more suitable outcome of therapy in some chronic disease scenarios.
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Affiliation(s)
- Shalini Sharma
- Department of Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, Haryana, India
| | - Naveen Kumar
- National Center for Veterinary Type Cultures, ICAR-NRC on Equines, Sirsa Road, Hisar, Haryana, 125001, India
| | - Barry T. Rouse
- College of Veterinary Medicine, University of Tennessee, Knoxville, TN, 37996-0845, USA
| | - Khushbu Sharma
- Department of Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, Haryana, India
| | - Kundan Kumar Chaubey
- Department of Biotechnology, School of Basic and Applied Sciences, Sanskriti University, Mathura, Uttar Pradesh, 281 401, India
| | - ShoorVir Singh
- Department of Bio-technology, GLA University, Post-Chaumuhan, Dist. Mathura, Uttar Pradesh, 281 406, India
| | - Praveen Kumar
- Department of Veterinary Medicine, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, Haryana, India
| | - Pradeep Kumar
- Department of Veterinary Medicine, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, Haryana, India
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Dhas N, Kudarha R, Tiwari R, Tiwari G, Garg N, Kumar P, Kulkarni S, Kulkarni J, Soman S, Hegde AR, Patel J, Garkal A, Sami A, Datta D, Colaco V, Mehta T, Vora L, Mutalik S. Recent advancements in nanomaterial-mediated ferroptosis-induced cancer therapy: Importance of molecular dynamics and novel strategies. Life Sci 2024; 346:122629. [PMID: 38631667 DOI: 10.1016/j.lfs.2024.122629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 03/04/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
Ferroptosis is a novel type of controlled cell death resulting from an imbalance between oxidative harm and protective mechanisms, demonstrating significant potential in combating cancer. It differs from other forms of cell death, such as apoptosis and necrosis. Molecular therapeutics have hard time playing the long-acting role of ferroptosis induction due to their limited water solubility, low cell targeting capacity, and quick metabolism in vivo. To this end, small molecule inducers based on biological factors have long been used as strategy to induce cell death. Research into ferroptosis and advancements in nanotechnology have led to the discovery that nanomaterials are superior to biological medications in triggering ferroptosis. Nanomaterials derived from iron can enhance ferroptosis induction by directly releasing large quantities of iron and increasing cell ROS levels. Moreover, utilizing nanomaterials to promote programmed cell death minimizes the probability of unfavorable effects induced by mutations in cancer-associated genes such as RAS and TP53. Taken together, this review summarizes the molecular mechanisms involved in ferroptosis along with the classification of ferroptosis induction. It also emphasized the importance of cell organelles in the control of ferroptosis in cancer therapy. The nanomaterials that trigger ferroptosis are categorized and explained. Iron-based and noniron-based nanomaterials with their characterization at the molecular and cellular levels have been explored, which will be useful for inducing ferroptosis that leads to reduced tumor growth. Within this framework, we offer a synopsis, which traverses the well-established mechanism of ferroptosis and offers practical suggestions for the design and therapeutic use of nanomaterials.
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Affiliation(s)
- Namdev Dhas
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Ritu Kudarha
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Ruchi Tiwari
- Pranveer Singh Institute of Technology (Pharmacy), Kalpi road, Bhauti, Kanpur 208020, Uttar Pradesh, India
| | - Gaurav Tiwari
- Pranveer Singh Institute of Technology (Pharmacy), Kalpi road, Bhauti, Kanpur 208020, Uttar Pradesh, India
| | - Neha Garg
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Praveen Kumar
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Sanjay Kulkarni
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Jahnavi Kulkarni
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Soji Soman
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Aswathi R Hegde
- Faculty of Pharmacy, M S Ramaiah University of Applied Sciences, New BEL Road, MSR Nagar, Bangalore 560054, Karnataka, India
| | | | - Atul Garkal
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India; Center for Nanomedicine at the Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Anam Sami
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Deepanjan Datta
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Viola Colaco
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Tejal Mehta
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Lalitkumar Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Srinivas Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India.
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Rawashdeh M, Kashabash D, Kumar P, Saade C. The Diverse Utility of Contrast Media Delivery and Dosing During Computed Tomography: An International Assessment of Knowledge and Practices. Curr Radiopharm 2024; 17:CRP-EPUB-139528. [PMID: 38571349 DOI: 10.2174/0118744710293946240325051232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 03/01/2024] [Accepted: 03/06/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Despite the escalated production rate, the Iodinated Contrast Media (ICM) shortage continues, and demand outweighs supply. AIM The aim of this study is to investigate the knowledge and practice of ICM delivery in computed tomography (CT) among radiographers and radiologic technologists worldwide. METHODS An IRB-approved cross-sectional survey used Google Forms for data collection. It involved 94 CT radiographers from 27 countries and was divided into five sections. The first section gathered demographic information, followed by sections on experience, self-assessment of ICM reactions, and delivery technique. The third section explored ICM knowledge and its relation to CT parameters. The fourth and fifth sections focus on practices during pulmonary angiography CT and renal CT scans. Data analysis involved descriptive statistics, the Chi- Square test, and ANOVA. RESULTS Knowledge was assessed with seven questions, and a score of at least 3.5 was needed for categorization. The median score was two, indicating low knowledge. Specifically, 64.9% of the participants scored lower than the two scores. Years of experience are strongly correlated with the level of knowledge, with 51.6% of radiographers having more than 10 years of experience demonstrating adequate knowledge. 41.7% of respondents demonstrated adequate knowledge when their duty was focused on CT. Furthermore, wide practice variability exists in all CT pulmonary angiography protocols among radiographers with adequate and inadequate knowledge. CONCLUSION Inexperienced individuals showed knowledge gaps, leading to varied practices and highlighting the need for educational programs. The study underscores establishing standardized Protocols and Practice Guidelines (PPGs) for contrast media administration in Radiology Departments. Additionally, it emphasizes the importance of regular training programs, and international knowledge sharing. The potential for self-selection bias in the online survey sample is highlighted.
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Affiliation(s)
- Mohammad Rawashdeh
- Department of Medical Imaging, Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
- Department of Allied Medical Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Daniah Kashabash
- Department of Medical Imaging, Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
| | - Praveen Kumar
- Department of Physiotherapy, Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
| | - Charbel Saade
- Discipline of Medical Imaging & Radiation Therapy, School of Medicine, University College Cork, Cork, Ireland
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Kalyan G, Saini SK, Kumari B, Kumar P. Opinion and Beliefs of Physicians about Integrating Families into the Care System of Preterm Hospitalized Neonates- A Qualitative Experience. Indian J Pediatr 2024; 91:351-357. [PMID: 37358725 DOI: 10.1007/s12098-023-04691-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 05/17/2023] [Indexed: 06/27/2023]
Abstract
OBJECTIVES To explore the opinions and beliefs of physicians about integrating families into the care system of hospitalized preterm neonates. METHODS The setting was Neonatal Intensive Care Unit (NICU) of a tertiary care center in North India. Focus group discussions (FGDs) were conducted with the physicians using a pre-validated FGD topic guide. The FGDs were audio-recorded and transcribed. The meanings were drawn, and dependability was ensured. Themes and sub-themes were generated and finalized with a common consensus. RESULTS Five FGDs were conducted involving 28 physicians. The physicians opined that making families a part of the care system has several benefits, though they brought out some concerns. They opined that involving parents gives them confidence and satisfaction as they get empowered about neonatal care at the hospital and home after discharge. They reported difficulties in communication due to perceived inadequacy in counseling skills, language barriers and literacy levels of families, and lack of adequate time due to clinical overload. They identified nurses and public health nurses as an important bridge between physicians and families, and peer support as a useful facilitator. They suggested that role assignments to team members, training in counseling and communication, improving the comfort of parents and organizing information in easy-to-understand audio- visual content can help improve the family integration. CONCLUSIONS The physicians highlighted practical barriers, facilitators, and remedial measures to effectively integrate the families into the care system of preterm hospitalized neonates. There is a need to address the concerns of all stakeholders including the physicians for successful implementation of family integration.
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Affiliation(s)
- Geetanjli Kalyan
- National Institute of Nursing Education, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Sushma Kumari Saini
- National Institute of Nursing Education, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Bandna Kumari
- National Institute of Nursing Education, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Praveen Kumar
- Division of Neonatology, Department of Pediatrics, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.
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Panter-Brick C, Eggerman JJ, Jefferies P, Qtaishat L, Dajani R, Kumar P. Does volunteering impact refugee women's life satisfaction, empowerment, and wellbeing? Experimental evidence, local knowledge, and causal reasoning. Soc Sci Med 2024; 347:116735. [PMID: 38552338 DOI: 10.1016/j.socscimed.2024.116735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/01/2024] [Accepted: 02/26/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND There are gaps in the evidence base addressing whether volunteering programs enhance the wellbeing, empowerment, and life satisfaction of individual volunteers. Program impacts are seldom rigorously evaluated, whilst construct meanings remain largely unspecified, especially in the Middle East. This study tested the impacts of We Love Reading, a program training volunteers to read aloud in their local communities. It also mapped local knowledge representation. METHODS We conducted a mixed-method program evaluation based on a randomized cluster trial with 105 Syrian refugee women from poor households in Amman, Jordan. At three time points (baseline, 5-month and 12-month-follow-up), we implemented a survey to measure levels of life satisfaction (Cantril), psychological empowerment (PE), and psychological wellbeing (PWB). We used regression models on panel data to estimate individual-level impacts, adjusting for women's characteristics and the moderating effects of their social networks. We also conducted net-mapping sessions to clarify local concepts and their causal connections, generating thematic analyses and fuzzy cognitive maps (FCMs) to represent local knowledge and causal influences. RESULTS Life satisfaction was the only outcome variable showing a significant impact for We Love Reading (Cantril, β = 3.00, p = 0.002). Thematic analyses and FCMs made explicit the multi-dimensional aspects of lived experiences: emphasis was placed on reaching goals, having "the full right to act," the freedom to take decisions, willingness and determination. Women explained that building their empowerment and agency was a main driver of life satisfaction, and that volunteering boosted the resolve of "not giving up" on life goals. CONCLUSION This program evaluation integrates scientifically-rigorous and culturally-relevant methodologies to identify impacts, local knowledge systems, and causal pathways of influence. This helps clarify how and why volunteering works in real-life situations across cultural contexts, calling attention to what programs seek to achieve, how they avoid volunteer burden, and why they generate social change.
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Affiliation(s)
- Catherine Panter-Brick
- Jackson School of Global Affairs, Yale University, Horchow Hall, 55 Hillhouse Avenue, New Haven, CT, 06511, USA; Department of Anthropology, Yale University, 10 Sachem Street, New Haven, CT, 06511, USA; Conflict, Resilience, and Health Program, Yale University, USA.
| | | | - Philip Jefferies
- Resilience Research Centre, Faculty of Health, Dalhousie University, Halifax, Canada
| | - Lina Qtaishat
- Conflict, Resilience, and Health Program, Yale University, USA; Taghyeer Organization, Amman, Jordan
| | - Rana Dajani
- Faculty of Science, The Hashemite University, Jordan
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Thamilarasan S, Basu S, Kumar P. Point Prevalence of Celiac Disease in Children Aged 4 to 18 years with Chronic Abdominal Pain - A Cross Sectional Study. Indian J Pediatr 2024; 91:422. [PMID: 37789209 DOI: 10.1007/s12098-023-04854-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 08/22/2023] [Indexed: 10/05/2023]
Affiliation(s)
- Sivaranjani Thamilarasan
- Department of Pediatrics, Kalawati Saran Children's Hospital, Lady Hardinge Medical College, New Delhi, 110001, India
| | - Srikanta Basu
- Department of Pediatrics, Kalawati Saran Children's Hospital, Lady Hardinge Medical College, New Delhi, 110001, India
| | - Praveen Kumar
- Department of Pediatrics, Kalawati Saran Children's Hospital, Lady Hardinge Medical College, New Delhi, 110001, India.
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Rishi P, Sharma P, Jain S, Jain A, Kumar P, Shetty D. Correlation of palatal anatomic characteristics with dermatoglyphic heterogeneity in different growth patterns. Morphologie 2024; 108:100775. [PMID: 38518579 DOI: 10.1016/j.morpho.2024.100775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/24/2024]
Abstract
AIM AND OBJECTIVE The study aimed to explore the correlation between dermatoglyphic patterns and quantitative palatal anatomic variables in individuals with different growth patterns. MATERIALS AND METHOD A cross-sectional study was conducted involving 126 healthy patients aged 17-25 years. Participants were divided into three groups based on growth patterns: average, vertical, and horizontal. Dermatoglyphic patterns were recorded using an optical fingerprint sensor, and palatal characteristics were measured using digital software. Palatal characteristics, including intercanine width, intermolar width, and palatal depth, were measured using digital software. The results were statistically analyzed. RESULTS Significant differences were observed in ridge counts among the three growth patterns. The average growth pattern showed lower ridge counts compared to the vertical and horizontal growth patterns. Dermatoglyphic patterns, such as double loops and tented arches, were significantly higher in the horizontal growth pattern. Weak correlations were found between certain dermatoglyphic patterns and palatal characteristics, with simple arch patterns showing a negative correlation with inter-canine width and symmetrical whorl patterns showing a positive correlation with palatal depth. Loop patterns, spiral patterns, double loop patterns, symmetrical whorl, and simple arch patterns were significant predictors of growth patterns. CONCLUSION This study revealed distinct dermatoglyphic patterns and ridge counts among individuals with different growth patterns. Weak correlations were observed between dermatoglyphic patterns and palatal characteristics. However, the predictive value of dermatoglyphics for skeletal malocclusion requires further investigation. Understanding the relationships between dermatoglyphic patterns and craniofacial growth can provide valuable insights into genetic and developmental factors affecting dental and orthodontic conditions.
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Affiliation(s)
- P Rishi
- Department of Orthodontics & Dentofacial Orthopaedics, I.T.S. Center for Dental Studies and Research, Muradnagar, 201206 Ghaziabad, UP, India
| | - P Sharma
- Department of Orthodontics & Dentofacial Orthopaedics, I.T.S. Center for Dental Studies and Research, Muradnagar, 201206 Ghaziabad, UP, India
| | - S Jain
- Department of Orthodontics & Dentofacial Orthopaedics, I.T.S. Center for Dental Studies and Research, Muradnagar, 201206 Ghaziabad, UP, India.
| | - A Jain
- Independent consultant, Delhi, India
| | - P Kumar
- Department of Orthodontics & Dentofacial Orthopaedics, I.T.S. Center for Dental Studies and Research, Muradnagar, 201206 Ghaziabad, UP, India
| | - D Shetty
- Department of Orthodontics & Dentofacial Orthopaedics, I.T.S. Center for Dental Studies and Research, Muradnagar, 201206 Ghaziabad, UP, India
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Bayye S, Kumar J, Saha SC, Dutta S, Kumar P. Neurosonographic Findings in Infants with Rhesus Hemolytic Disease of Newborn: A Prospective Observational Study. Indian Pediatr 2024:S097475591600614. [PMID: 38517007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
We estimated the incidence of intraventricular hemorrhage (IVH) and/or periventricular leukomalacia/echogenicity (PVL/E) in Rhesus isoimmunized infants. Seventy-one infants underwent cranial ultrasound within the first 3 days of life or discharge, whichever was earlier. Of these, 27(38%) infants had IVH/ PVL/E. On multivariate analysis, lower gestational age (P = 0.035), small for gestational age [aOR (95% CI) 10.6 (1.9, 58.9)], and sepsis [aOR (95% CI) 4.5 (1.1, 18.4)] were ndependently associated with IVH/PVL.
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Affiliation(s)
- Swapna Bayye
- Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Jogender Kumar
- Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India Correspondence to: Dr. Jogender Kumar, Neonatal Unit, Department of Pediatrics; Postgraduate Institute of Medical Education and Research, Chandigarh, 160012 India.
| | - Subhas Chandra Saha
- Department of Obstetrics and Gynecology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Sourabh Dutta
- Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Praveen Kumar
- Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
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Mulpuri SK, Sah B, Kumar P. Protocol for conducting advanced cyclic tests in lithium-ion batteries to estimate capacity fade. STAR Protoc 2024; 5:102938. [PMID: 38457345 PMCID: PMC10943045 DOI: 10.1016/j.xpro.2024.102938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 01/25/2024] [Accepted: 02/21/2024] [Indexed: 03/10/2024] Open
Abstract
Using advanced cyclic testing techniques improves accuracy in estimating capacity fade and incorporates real-world scenarios in battery cycle aging assessment. Here, we present a protocol for conducting cyclic tests in lithium-ion batteries to estimate capacity fade. We describe steps for implementing strategies for accounting for variations in rest periods, charge-discharge rates, and temperatures. We also detail procedures for validating tests experimentally within a climate-controlled chamber and for developing an empirical model to estimate capacity fading under various testing objectives. For complete details on the use and execution of this protocol, please refer to Mulpuri et al.1.
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Affiliation(s)
- Sai Krishna Mulpuri
- Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.
| | - Bikash Sah
- Department of Engineering and Communication, Bonn-Rhein-Seig University of Applied Sciences, Sankt Augustin, 53757 North Rhine-Westphalia, Germany; Departent of Power Converters and Electrical Drive Systems, Fraunhofer Institute for Energy Economics and Energy System Technology IEE, Kassel, 34117 Hesse, Germany.
| | - Praveen Kumar
- Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India; Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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Kumar P, Abbas Z, Kumar P, Das D, Mobin SM. Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics. Langmuir 2024; 40:5040-5059. [PMID: 38419155 DOI: 10.1021/acs.langmuir.3c03724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Polluted water has become a concern for the scientific community as it causes many severe threats to living beings. Detection or removal of contaminants present in wastewater and attaining purity of water that can be used for various purposes are a primary responsibility. Different treatment methods have already been used for the purification of sewage. There is a need for low-cost, highly selective, and reusable materials that can efficiently remove pollutants or purify contaminated water. In this regard, MOFs have shown significant potential for applications such as supercapacitors, drug delivery, gas storage, pollutant adsorption, etc. The outstanding structural diversity, substantial surface areas, and adjustable pore sizes of MOFs make them superior candidates for wastewater treatment. This Review provides an overview of the interaction science and engineering (kinetic and thermodynamic aspects with interactions) underpinning MOFs for water purification. First, fundamental strategies for the synthesis methods of MOFs, different categories, and their applicability in wastewater treatment are summarized, followed by a detailed explanation of various interaction mechanisms. Finally, current challenges and future outlooks for research on MOF materials toward the adsorption of hazardous components are discussed. A new avenue for modifying their structural characteristics for the adsorption and separation of hazardous materials, which will undoubtedly direct future work, is also summarized.
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Rawashdeh MA, Almazrouei S, Zaitoun M, Kumar P, Saade C. Empowering Radiographers: A Call for Integrated AI Training in University Curricula. Int J Biomed Imaging 2024; 2024:7001343. [PMID: 38496776 PMCID: PMC10942819 DOI: 10.1155/2024/7001343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/07/2024] [Accepted: 02/14/2024] [Indexed: 03/19/2024] Open
Abstract
Background Artificial intelligence (AI) applications are rapidly advancing in the field of medical imaging. This study is aimed at investigating the perception and knowledge of radiographers towards artificial intelligence. Methods An online survey employing Google Forms consisting of 20 questions regarding the radiographers' perception of AI. The questionnaire was divided into two parts. The first part consisted of demographic information as well as whether the participants think AI should be part of medical training, their previous knowledge of the technologies used in AI, and whether they prefer to receive training on AI. The second part of the questionnaire consisted of two fields. The first one consisted of 16 questions regarding radiographers' perception of AI applications in radiology. Descriptive analysis and logistic regression analysis were used to evaluate the effect of gender on the items of the questionnaire. Results Familiarity with AI was low, with only 52 out of 100 respondents (52%) reporting good familiarity with AI. Many participants considered AI useful in the medical field (74%). The findings of the study demonstrate that nearly most of the participants (98%) believed that AI should be integrated into university education, with 87% of the respondents preferring to receive training on AI, with some already having prior knowledge of AI used in technologies. The logistic regression analysis indicated a significant association between male gender and experience within the range of 23-27 years with the degree of familiarity with AI technology, exhibiting respective odds ratios of 1.89 (COR = 1.89) and 1.87 (COR = 1.87). Conclusions This study suggests that medical practices have a favorable attitude towards AI in the radiology field. Most participants surveyed believed that AI should be part of radiography education. AI training programs for undergraduate and postgraduate radiographers may be necessary to prepare them for AI tools in radiology development.
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Affiliation(s)
- Mohammad A. Rawashdeh
- Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
- Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid 222110, Jordan
| | - Sara Almazrouei
- Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
| | - Maha Zaitoun
- Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
- Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid 222110, Jordan
| | - Praveen Kumar
- Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
| | - Charbel Saade
- Department of Diagnostic Radiography, UG 12 Aras Watson, Brookfield Health Sciences, T12 AK54, University College Cork, Cork, Ireland
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Dhanabalan AK, Kumar P, Vasudevan S, Chworos A, Velmurugan D. Identification of a novel drug molecule for neurodegenerative disease from marine algae through in-silico analysis. J Biomol Struct Dyn 2024:1-10. [PMID: 38456260 DOI: 10.1080/07391102.2024.2322624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 02/16/2024] [Indexed: 03/09/2024]
Abstract
Cognitive functions are lost due to the rapid hydrolysis of acetylcholine including Acetylcholinesterase (AChE) and Butyrylcholinesterase (BChE). Marine algae-derived compounds were reported for their neuroprotective activities and hence they can be utilised for treating neurodegenerative ailments like Alzheimer's Disease and Parkinson's Disease which are due to the loss of cognitive functions. Major attention is currently paid to seaweeds due to their health benefits and high nutritional values. Sea weeds are of a rich sense of natural bioactive compounds which antioxidants, pharmaceutical compounds, flavonoids and alkaloids. They also contain a high amount of vitamins A, D, E, C and Ca, K, Mg and Fe. Regular consumption of a marine algae-based diet may boost immunities. In searching for natural cholinesterase inhibitors, the present study is focussed on some marine bioactive compounds reported from brown, red and green algae. Molecular docking studies have been carried out along with molecular dynamics simulations studies and binding energy calculations resulting in three best bioactive compounds when AChE is used as the target. The results are compared with cocrystal studies. Two best compounds, namely, Diphlorethohydroxycarmalol and Phlorofucofuroeckol from the brown seaweeds are identified as the potential lead compounds for neurodegenerative diseases, Alzheimer's and Parkinson's.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | - Praveen Kumar
- Research and Development Cell, AMET University, Kanathur, Tamil Nadu, India
| | - Saranya Vasudevan
- Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy
| | - Arkadiusz Chworos
- Department of Bioorganic Chemistry, Centre of Molecular and Macromolecular Studies Polish Academy of Sciences, Lodz, Poland
| | - Devadasan Velmurugan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
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Shikder A, Rao SK, Kumar P, Nishchal NK. Binary image encryption with a QR code-encoded optical beam having an array of vortices. J Opt Soc Am A Opt Image Sci Vis 2024; 41:A73-A82. [PMID: 38437435 DOI: 10.1364/josaa.507046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 01/19/2024] [Indexed: 03/06/2024]
Abstract
In recent years, optical information processing has become increasingly important due to its ability to handle large amounts of data efficiently. Amplitude, phase, spatial frequency, wavelength, and polarization are the physical dimensions used for information encoding into the light beam. Information encoding using orbital angular momentum (OAM) carried by a vortex beam is gaining interest in this regard. Such beams provide high-dimensional orthogonal states for encoding and have shown more stability in turbulent media than Gaussian beams, especially in the case of free space propagation. This study demonstrates an image encryption method utilizing an array of OAM light modes. The approach uses a non-interferometric intensity recording-based encoding scheme, which offers ease of implementation. Quick response codes have been utilized for encoding to avoid information loss from non-uniform distribution of light and aberrations. The encryption scheme is highly secure because the encrypted light beam contains only partial information about the object, preventing complete information retrieval without proper key information.
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Anne RP, Kumar J, Kumar P, Meena J. Effect of oropharyngeal colostrum therapy on neonatal sepsis in preterm neonates: A systematic review and meta-analysis. J Pediatr Gastroenterol Nutr 2024; 78:471-487. [PMID: 38314925 DOI: 10.1002/jpn3.12085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 02/07/2024]
Abstract
Various studies have shown that oropharyngeal colostrum application (OPCA) is beneficial to preterm neonates. We performed a systematic review and meta-analysis to assess whether OPCA reduces the incidence of culture-proven neonatal sepsis in preterm neonates. Randomized controlled trials comparing OPCA with placebo or standard care in preterm neonates were included. Medline, Embase, Web of Science, Cumulated Index to Nursing and Allied Health Literature, Scopus, and CENTRAL were searched for studies published up to June 15, 2023. We used the Cochrane Risk of Bias tool, version 2, for risk of bias assessment, the random-effects model (RevMan 5.4) for meta-analysis, and Gradepro software for assessing the certainty of evidence. Twenty-one studies involving 2393 participants were included in this meta-analysis. Four studies had a low risk of bias, whereas seven had a high risk. Oropharyngeal colostrum significantly reduced the incidence of culture-proven sepsis (18 studies, 1990 neonates, risk ratio [RR]: 0.78, 95% confidence interval [95% CI]: 0.65, 0.94), mortality (18 studies, 2117 neonates, RR: 0.73, 95% CI: 0.59, 0.90), necrotizing enterocolitis (NEC) (17 studies, 1692 neonates, RR: 0.59, 95% CI: 0.43, 0.82), feeding intolerance episodes (four studies, 445 neonates, RR: 0.59, 95% CI: 0.38, 0.92), and the time to full enteral feeding (19 studies, 2142 neonates, mean difference: -2 to 21 days, 95% CI: -3.44, -0.99 days). There was no reduction in intraventricular hemorrhage, retinopathy of prematurity, bronchopulmonary dysplasia, ventilator-associated pneumonia, neurodevelopmental abnormalities, hospital stay duration, time to full oral feeding, weight at discharge, pneumonia, and duration of antibiotic therapy. The certainty of the evidence was high for the outcomes of culture-positive sepsis and mortality, moderate for NEC, low for time to full enteral feeding, and very low for feeding intolerance. OPCA reduces culture-positive sepsis and mortality (high certainty), NEC (moderate certainty), and time to full enteral feeding (low certainty) in preterm neonates. However, scarcity of data from extremely premature infants limits the generalizability of these results to this population.
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Affiliation(s)
- Rajendra Prasad Anne
- Department of Neonatology, Kasturba Medical College, Manipal Academy of Higher Education (MAHE), Manipal, India
| | - Jogender Kumar
- Neonatal Unit, Advanced Pediatric Center, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Praveen Kumar
- Neonatal Unit, Advanced Pediatric Center, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Jitendra Meena
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
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Raghunathan M, Kapoor A, Mohammad A, Kumar P, Singh R, Tripathi SC, Muzammil K, Pal DB. Advances in two-dimensional transition metal dichalcogenides-based sensors for environmental, food, and biomedical analysis: A review. LUMINESCENCE 2024; 39:e4703. [PMID: 38433325 DOI: 10.1002/bio.4703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 01/10/2024] [Accepted: 02/06/2024] [Indexed: 03/05/2024]
Abstract
Transition metal dichalcogenides (TMDCs) are versatile two-dimensional (2D) nanomaterials used in biosensing applications due to their excellent physical and chemical properties. Due to biomaterial target properties, biosensors' most significant challenge is improving their sensitivity and stability. In environmental analysis, TMDCs have demonstrated exceptional pollutant detection and removal capabilities. Their high surface area, tunable electronic properties, and chemical reactivity make them ideal for sensors and adsorbents targeting various contaminants, including heavy metals, organic pollutants, and emerging contaminants. Furthermore, their unique electronic and optical properties enable sensitive detection techniques, enhancing our ability to monitor and mitigate environmental pollution. In the food analysis, TMDCs-based nanomaterials have shown remarkable potential in ensuring food safety and quality. These nanomaterials exhibit high specificity and sensitivity for detecting contaminants, pathogens, and adulterants in various food matrices. Their integration into sensor platforms enables rapid and on-site analysis, reducing the reliance on centralized laboratories and facilitating timely interventions in the food supply chain. In biomedical studies, TMDCs-based nanomaterials have demonstrated significant strides in diagnostic and therapeutic applications. Their biocompatibility, surface functionalization versatility, and photothermal properties have paved the way for novel disease detection, drug delivery, and targeted therapy approaches. Moreover, TMDCs-based nanomaterials have shown promise in imaging modalities, providing enhanced contrast and resolution for various medical imaging techniques. This article provides a comprehensive overview of 2D TMDCs-based biosensors, emphasizing the growing demand for advanced sensing technologies in environmental, food, and biomedical analysis.
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Affiliation(s)
- Muthukumar Raghunathan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, India
| | - Ashish Kapoor
- Department of Chemical Engineering, Harcourt Butler Technical University, Kanpur, Uttar Pradesh, India
| | - Akbar Mohammad
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, Republic of Korea
| | - Praveen Kumar
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, India
| | - Rajeev Singh
- Department of Chemical Environmental Science, Jamia Millia Islamia, New Delhi, India
| | - Subhash C Tripathi
- Institute of Applied Sciences & Humanities, Department of Chemistry, GLA University, Mathura, Uttar Pradesh, India
| | - Khursheed Muzammil
- Department of Public Health, College of Applied Medical Sciences, Khamis Mushait Campus, King Khalid University, Abha, Saudi Arabia
| | - Dan Bahadur Pal
- Department of Chemical Engineering, Harcourt Butler Technical University, Kanpur, Uttar Pradesh, India
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Hazari A, Mishra V, Kumar P, Maiya A. The accuracy of 10 g monofilament use for clinical screening of diabetes peripheral neuropathy among Indian population. PLoS One 2024; 19:e0297110. [PMID: 38394307 PMCID: PMC10890773 DOI: 10.1371/journal.pone.0297110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 12/28/2023] [Indexed: 02/25/2024] Open
Abstract
OBJECTIVE The purpose of this study was to test the diagnostic accuracy of the 10g monofilament to screen for diabetic peripheral neuropathy (DPN) in India. The study further assessed the effect of physical activity, footwear use, and occupation on the outcome. METHODS Non-probabilistic purposive sampling was used to recruit patients with T2DM to assess the diagnostic utility of the 10 g monofilament. 160 participants were recruited divided into 4 groups. Each group consisted of 40 participants with 20 under each category described as "Physical Worker Vs Non- physical worker" (n = 40), "Barefoot Vs Footwear" (n = 40), "Use of Slipper at Home Vs No-slippers use at home" (n = 40), "Agriculture Vs Non- agriculture" (n = 40). 10 g monofilament was used to detect the presence of protective sensation towards screening of DPN against biothesiometer (Vibration Pressure Threshold). RESULTS The area under the ROC (receiver operating characteristic) curve was 0.6 for identifying DPN using the 10 g monofilament. Physical work (p = 0.04), footwear (p = 0.04), slipper use at home (p = 0.02) and occupation (p = 0.02) impacted on the diagnostic utility of the 10g monofilament. CONCLUSIONS This study shows that the 10 g monofilament has limited accuracy for detecting DPN in the Indian population and this is further affected by occupation, socioeconomic and religious practice.
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Affiliation(s)
| | | | - Praveen Kumar
- Gulf Medical University, Ajman, United Arab Emirates
| | - Arun Maiya
- Manipal Academy of Higher Education, Manipal, Karnataka, India
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Bhatia H, Bhatia A, Mathew JL, Saxena AK, Kumar P, Nallasamy K, Tao T, Sodhi KS. Tracheobronchial abnormalities on computed tomography angiography in children with congenital heart disease. Pediatr Pulmonol 2024. [PMID: 38376264 DOI: 10.1002/ppul.26934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/17/2024] [Accepted: 02/12/2024] [Indexed: 02/21/2024]
Abstract
OBJECTIVES To evaluate the assortment of tracheobronchial abnormalities on computed tomography angiography (CTA) in children with congenital heart disease (CHD). METHODS In this study approved by the Institute ethics committee, CTA studies of 182 children (age range: 2 days-8 years) with CHD, performed from July 2021 to March 2023 were analyzed. Two pediatric radiologists independently assessed the tracheobronchial airways (from the trachea to lobar bronchi) for developmental and branching anomalies and airway compromise (narrowing). In cases which demonstrated airway compromise, the extent and the cause of airway narrowing were evaluated, and the etiology were divided into extrinsic and intrinsic causes. Interobserver agreement between the two radiologists was calculated using kappa statistics. RESULTS One hundred children demonstrated normal airway anatomy and no luminal narrowing. Airway narrowing was observed in 63 (34.6%) children (κ: 0.954), and developmental airway anomalies were seen in 32 (17.5%) children (κ: 0.935). Of the 63 children with airway narrowing, 47 (25.8%) children had extrinsic cause for narrowing, 11 (6%) children had intrinsic causes for narrowing, and 5 (2.7%) children had both intrinsic and extrinsic causes attributing to airway compromise. Significant airway narrowing (>50% reduction) was seen in 35 (19.2%) children (κ: 0.945). CONCLUSION Tracheobronchial airway abnormalities are frequently associated in children with CHD and need to be appraised preoperatively. Cross-sectional imaging with CTA provides excellent information on tracheobronchial airway anatomy and caliber as well as delineates the possible etiology of airway narrowing, thus accurately diagnosing airway anomalies.
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Affiliation(s)
- Harsimran Bhatia
- Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Anmol Bhatia
- Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Joseph L Mathew
- Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Akshay K Saxena
- Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Praveen Kumar
- Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Karthi Nallasamy
- Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ting Tao
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Kushaljit S Sodhi
- Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA
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21
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Garg A, Kumar J, Katoch D, Dutta S, Kumar P. Diagnostic Accuracy of Pediatrician-performed Digital Retinal Imaging with 3nethra neo for ROP Screening. Indian J Pediatr 2024:10.1007/s12098-024-05042-z. [PMID: 38372940 DOI: 10.1007/s12098-024-05042-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/12/2024] [Indexed: 02/20/2024]
Abstract
OBJECTIVES To evaluate the accuracy of pediatrician-performed wide-field digital retinal imaging (WFDRI) for diagnosing Retinopathy of prematurity (ROP), as compared to binocular indirect ophthalmoscopy (BIO) as the reference standard. METHODS Eligible infants undergoing ROP screening were enrolled consecutively. BIO was performed by trained ophthalmologists, followed by WFDRI (using "3nethra neo" camera) by a pediatrician. An expert pediatric ophthalmologist reviewed de-identified images for quality, presence, and severity of ROP. She was masked to the findings of BIO and the pediatrician. Diagnostic accuracy for detecting any ROP, ROP requiring treatment (Type 1), and ROP requiring referral (Type 1 or 2) were calculated for WFDRI, considering BIO as the reference standard. RESULTS The analysis included 427 eyes. The sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), diagnostic accuracy, and diagnostic odds ratio of WFDRI were 0.88 (95% CI: 0.81, 0.93), 0.89 (0.85, 0.92), 7.8 (5.7, 10.9), 0.14 (0.09, 0.21), 0.89 (0.85, 0.91), and 58.3 (31, 110) respectively for detection of 'any ROP'. For detecting ROP requiring treatment (Type 1), the sensitivity, specificity, NLR, and diagnostic accuracy were 0.90 (0.75, 0.97), 1.00 (0.99, 1.00), 0.11 (0.04, 0.27), and 0.99 (0.98, 1.00) respectively. For ROP requiring referral, the sensitivity, specificity, NLR, and diagnostic accuracy of pediatrician-performed WFDRI were 0.92 (0.80, 0.98), 1.00 (0.99, 1.00), 0.08 (0.03, 0.21), and 0.99 (0.98, 1.00) respectively. No serious adverse events were noted. The pediatrician and ophthalmologist had a near-perfect (k-1.00) and strong (k-0.88) agreement for ROP requiring treatment and any ROP, respectively. CONCLUSIONS Pediatrician-performed WFDRI is feasible, safe, and has excellent diagnostic accuracy for identifying ROP requiring treatment.
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Affiliation(s)
- Ashok Garg
- Neonatal Unit, Advanced Pediatric Center, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Jogender Kumar
- Neonatal Unit, Advanced Pediatric Center, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India.
| | - Deeksha Katoch
- Advanced Eye Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Sourabh Dutta
- Neonatal Unit, Advanced Pediatric Center, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Praveen Kumar
- Neonatal Unit, Advanced Pediatric Center, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
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22
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Mohan A, Rajan PP, Kumar P, Jayakumar D, Mini M, Asha S, Vaikkathillam P. Theophylline as a quorum sensing and biofilm inhibitor in Pseudomonas aeruginosa and Chromobacterium violaceum. Int Microbiol 2024:10.1007/s10123-024-00487-w. [PMID: 38342794 DOI: 10.1007/s10123-024-00487-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/15/2024] [Accepted: 01/19/2024] [Indexed: 02/13/2024]
Abstract
Quorum sensing (QS) is pivotal in coordinating virulence factors and biofilm formation in various pathogenic bacteria, making it a prime target for disrupting bacterial communication. Pseudomonas aeruginosa is a member of the "ESKAPE" group of bacterial pathogens known for their association with antimicrobial resistance and biofilm formation. The current antibiotic arsenal falls short of addressing biofilm-related infections effectively, highlighting the urgent need for novel therapeutic agents. In this study, we explored the anti-QS and anti-biofilm properties of theophylline against two significant pathogens, Chromobacterium violaceum and P. aeruginosa. The production of violacein, pyocyanin, rhamnolipid, and protease was carried out, along with the evaluation of biofilm formation through methods including crystal violet staining, triphenyl tetrazolium chloride assay, and fluorescence microscopy. Furthermore, computational analyses were conducted to predict the targets of theophylline in the QS pathways of P. aeruginosa and C. violaceum. Our study demonstrated that theophylline effectively inhibits QS activity and biofilm formation in C. violaceum and P. aeruginosa. In P. aeruginosa, theophylline inhibited the production of key virulence factors, including pyocyanin, rhamnolipid, protease, and biofilm formation. The computational analyses suggest that theophylline exhibits robust binding affinity to CviR in C. violaceum and RhlR in P. aeruginosa, key participants in the QS-mediated biofilm pathways. Furthermore, theophylline also displays promising interactions with LasR and QscR in P. aeruginosa. Our study highlights theophylline as a versatile anti-QS agent and offers a promising avenue for future research to develop novel therapeutic strategies against biofilm-associated infections.
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Affiliation(s)
- Aparna Mohan
- Department of Zoology, Government College for Women, Thiruvananthapuram, -695014, Kerala, India
| | - Pooja P Rajan
- Department of Zoology, Government College for Women, Thiruvananthapuram, -695014, Kerala, India
| | - Praveen Kumar
- Department of Zoology, Government College for Women, Thiruvananthapuram, -695014, Kerala, India.
| | - Devi Jayakumar
- Department of Zoology, Government College for Women, Thiruvananthapuram, -695014, Kerala, India
| | - Minsa Mini
- Department of Zoology, Government College for Women, Thiruvananthapuram, -695014, Kerala, India
| | - Sneha Asha
- Department of Zoology, Government College for Women, Thiruvananthapuram, -695014, Kerala, India
| | - Parvathi Vaikkathillam
- Department of Zoology, Government College for Women, Thiruvananthapuram, -695014, Kerala, India
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Hagopian G, Jiang X, Grant C, Brazel D, Kumar P, Yamamoto M, Jakowatz J, Chow W, Tran T, Shen W, Moyers J. Survival impact of post-operative immunotherapy in resected stage III cutaneous melanomas in the checkpoint era. ESMO Open 2024; 9:102193. [PMID: 38271786 PMCID: PMC10937207 DOI: 10.1016/j.esmoop.2023.102193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/03/2023] [Accepted: 11/01/2023] [Indexed: 01/27/2024] Open
Abstract
BACKGROUND Checkpoint inhibitors have shown improvement in recurrence-free survival in the post-operative setting for node-positive melanoma and were first approved in late 2015. However, single-agent checkpoint therapies have yet to show benefit to overall survival (OS) for lower-risk stage III cancers. We evaluated the OS benefit of post-operative immunotherapy in the National Cancer Database (NCDB). PATIENTS AND METHODS Patient cases were selected from the NCDB 2020 Participant Use File. Patients diagnosed with stage III cutaneous melanoma between 2016 and 2019 who underwent definitive resection for their melanoma were included. OS between those who received post-operative immunotherapy within 84 days of surgery and those who did not was analyzed by the Kaplan-Meier method. Demographic and clinical characteristics between the two groups were compared via Cox proportional hazard models. RESULTS 14 978 patients with stage III melanoma were included. Of those, 34.9% (n = 5234) received post-operative immunotherapy and 65.1% (n = 9744) did not. Using the American Joint Committee on Cancer version 8 (AJCCv8) staging, 36-month survival was significantly higher in patients who received post-operative immunotherapy compared to no post-operative systemic therapy in those diagnosed with stage IIIB (88.0% versus 84.7%, P = 0.011), IIIC (75.6% versus 68.1%, P < 0.001), or IIID (59.2% versus 48.4%, P = 0.002). No significant improvement in 36-month survival was seen in patients who received post-operative immunotherapy in patients with stage IIIA disease (93.0% versus 92.2%, P = 0.218). CONCLUSIONS Post-operative immunotherapy had an OS benefit in patients with AJCCv8 stage IIIB, IIIC, and IIID disease, but had no significant survival benefit for patients with stage IIIA melanomas.
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Affiliation(s)
- G Hagopian
- Department of Medicine, University of California Irvine Medical Center, Orange
| | - X Jiang
- Department of Statistics, University of California Irvine, Irvine
| | - C Grant
- Department of Medicine, University of California Irvine Medical Center, Orange
| | - D Brazel
- Department of Medicine, University of California Irvine Medical Center, Orange
| | - P Kumar
- Department of Medicine, University of California Irvine Medical Center, Orange
| | - M Yamamoto
- Division of Surgical Oncology, Department of Surgery, University of California Irvine Medical Center, Orange
| | - J Jakowatz
- Division of Surgical Oncology, Department of Surgery, University of California Irvine Medical Center, Orange
| | - W Chow
- Division of Hematology and Oncology, Department of Medicine, University of California Irvine Medical Center, Orange
| | - T Tran
- Division of Surgical Oncology, Department of Surgery, University of California Irvine Medical Center, Orange
| | - W Shen
- Department of Statistics, University of California Irvine, Irvine
| | - J Moyers
- The Angeles Clinic & Research Institute, A Cedars-Sinai Affiliate, Los Angeles, USA.
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Shah M, Noronha V, Patil V, Menon N, Singh AK, Shah A, Kumar P, Roychoudhary O, Peelay Z, Janu A, Purandare N, Chakrabarty N, Patil V, Kaushal R, Shetty O, Pai T, Chandrani P, Chougule A, Prabhash K. The Role of Systemic Therapy in Patients with Advanced Non-small Cell Lung Cancer and a Poor Eastern Cooperative Oncology Group Performance Status. Clin Oncol (R Coll Radiol) 2024; 36:128-129. [PMID: 38097463 DOI: 10.1016/j.clon.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 11/29/2023] [Accepted: 12/06/2023] [Indexed: 01/12/2024]
Affiliation(s)
- M Shah
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - V Noronha
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - V Patil
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - N Menon
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - A K Singh
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - A Shah
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - P Kumar
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - O Roychoudhary
- Biostatistics, Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - Z Peelay
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - A Janu
- Department of Radiodiagnosis, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - N Purandare
- Department of Nuclear Medicine, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - N Chakrabarty
- Department of Radiodiagnosis, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - V Patil
- Department of Radiodiagnosis, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - R Kaushal
- Department of Pathology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - O Shetty
- Department of Molecular Pathology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - T Pai
- Department of Molecular Pathology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - P Chandrani
- Department of Medical Oncology Molecular Laboratory, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - A Chougule
- Department of Molecular Pathology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
| | - K Prabhash
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra, India
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Kalra S, Tripathi M, Tripathi M, Sonar RS, Pandey AK, Jaleel J, Singh RK, Kumar P, Damle NA, Bal C. Role of FDG PET/CT in definitive and presumed autoimmune encephalitis. Nucl Med Commun 2024; 45:121-127. [PMID: 37982572 DOI: 10.1097/mnm.0000000000001790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
OBJECTIVE F-18 Fluorodeoxyglucose PET/CT (FDG-PET) is emerging as a useful imaging adjunct to MRI in the initial diagnostic evaluation of autoimmune encephalitis (AIE)-though presently it is not included in the diagnostic criteria. MATERIALS AND METHODS In this prospective study we enrolled a total of 52 patients with clinically diagnosed and treated AIE. MRI evaluation was done in each case along with CSF and EEG where feasible. FDG-PET was done for all and images were interpreted visually and using SPM. RESULTS The mean age group of patients included was 38.5 ± 22.6 years with 31 females and 21 males. 23 antibody-positive cases underwent PET, the most common antibody detected was anti-NMDAR type followed by anti-LGI 1. Most common metabolic pattern in NMDARE was hypermetabolism in basal ganglia and hypometabolism in parieto-occipital cortices and ovarian teratoma was detected in two of these patients on whole-body PET. A metabolic pattern consistent with AIE was demonstrated in 22/29 (75.8%) antibody-negative patients with hypermetabolism in basal ganglia and mesial temporal cortices. The overall sensitivity of FDG PET was 86% (45/52). MRI abnormalities were detected in 22/52 (42%) cases, 10/23 antibody positive and 12/29 antibody negative cases. PET was positive in 23/30 (76%) MRI negative cases. CONCLUSION Sensitivity of FDG PET for supporting a diagnosis of AIE was higher compared to MRI in both antibody-positive (definitive) and antibody-negative (presumed) AIE. Specific metabolic patterns can be demonstrated on FDG PET in AIE, prompting an early diagnosis so that timely treatment can be instituted.
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Dahiya R, Walia A, Kaur J, Kumar P, Verma I, Rani N. Diabetic Retinopathy - Pathophysiology to Treatment: A Review. Curr Diabetes Rev 2024; 20:CDR-EPUB-137631. [PMID: 38315658 DOI: 10.2174/0115733998259940231105200251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 08/14/2023] [Accepted: 09/28/2023] [Indexed: 02/07/2024]
Abstract
Diabetic retinopathy (DR) is a microvascular disease affecting the eyes of diabetic patients, and is the most prevalent complication of diabetes mellitus. Vision improvement is not possible in the majority of DR patients. Several studies have indicated that microvascular changes, inflammation, oxidative stress, and retinal neurodegeneration are involved in the pathogenesis of DR. Therefore, there is an urgent need for the development of new and effective treatment for DR. Understanding the molecular mechanisms involved in the pathogenesis of disease will pave a way for better treatment and management of DR. This article has emphasized the molecular pathogenesis and treatment of DR.
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Affiliation(s)
- Randhir Dahiya
- Department of Pharmacology, Central University of Punjab, Bathinda, Punjab, India
- Department of Pharmacy, Graphic Era Hill University, Dehradun, India
| | - Aditya Walia
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Jasleen Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Praveen Kumar
- SunPharma, Hill Top Area, Vill. Bhatolikalan, P.O. Barotiwala, Distt.Solan, Himachal Pradesh, 174103, India
| | - Inderjeet Verma
- MM College of Pharmacy, Maharishi Markandeshwar (deemed to be) University, Mullana, Ambala, Haryana, India
| | - Nidhi Rani
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Trivedi SK, Roy AD, Kumar P, Jena D, Sinha A. Prediction of consumers refill frequency of LPG: A study using explainable machine learning. Heliyon 2024; 10:e23466. [PMID: 38205330 PMCID: PMC10776940 DOI: 10.1016/j.heliyon.2023.e23466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 11/21/2023] [Accepted: 12/05/2023] [Indexed: 01/12/2024] Open
Abstract
Launched in 2016, the PMUY Programme of the Government of India aimed to provide 8 crore LPG connections to women in rural households over four years. After acquiring a new connection, some households appeared uninterested in ordering subsequent subsidized LPG refills, impacting programme's sustainability, and targeting strategy. We propose a prediction model using "Explainable Machine Learning" to anticipate the beneficiaries' refill frequency with a view to improving LPG-refills and social targeting. In this paper, we suggest an enhanced stacked SVM (ISS) model for classification, which is contrasted with state-of-art ML models: Random Forest (RF), SVM-RBF, Naive Bayes (NB), and Decision Tree (C5.0). Some of the performance matrices that are used to evaluate the models include accuracy, sensitivity, specificity, Cohen's Kappa statistics, Receiver Operating Characteristic curve (ROC), and area under the curve (AUC). The proposed approach, which was validated with 10-fold cross validation, produced the best overall accuracies for data splits of 50-50, 66-34, and 80-20. The "Explainable AI (XAI)" model has also been used to describe how models and features interact, and to discuss the importance of features and their contributions to prediction. The recommended XAI will aid in efficient "beneficiary targeting" and "policy interventions".
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Affiliation(s)
- Shrawan Kumar Trivedi
- Business Analytics and Information Systems Area, Rajiv Gandhi Institute of Petroleum Technology, Amethi, India
| | - Abhijit Deb Roy
- Operations Management, Rajiv Gandhi Institute of Petroleum Technology, Amethi, India
| | - Praveen Kumar
- Management Area, Rajiv Gandhi Institute of Petroleum Technology, Amethi, India
| | - Debashish Jena
- Operations Management Area, Rajiv Gandhi Institute of Petroleum Technology, Amethi, India
| | - Avik Sinha
- Management Development Institute Gurgaon, India
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28
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Dahiya R, Rani N, Kaur R, Chahal G, Kumar P, Kaur G. Exploring the Therapeutic Potential of Alkaloids in Alzheimer's Disease Management. Cent Nerv Syst Agents Med Chem 2024; 24:CNSAMC-EPUB-137252. [PMID: 38213138 DOI: 10.2174/0118715249269092231109181638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/15/2023] [Accepted: 10/05/2023] [Indexed: 01/13/2024]
Abstract
BACKGROUND Alkaloids are important phytoconstituents obtained from various plant sources. The study's primary goal is to assess the anti-Alzheimer potential of alkaloids using a molecular docking study. Alzheimer's disease (AD) is considered a gradual decline in memory, reasoning, decision-making, orientation to one's physical surroundings, and language. METHOD AND MATERIAL The main target i.e. acetylcholinesterase proteins was selected for the molecular docking study. RESULT The structures of various alkaloids were drawn using Chem Draw Software, PDB was retrieved from the RCSB PDB database, and molecular docking study was performed on Molergo Virtual Docker. The potential alkaloids were identified with anti-Alzheimer potency. CONCLUSION Reserpine, vinblastine, ergotamine, and tubocurarine were found to exhibit potential anti-Alzheimer potency.
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Affiliation(s)
- Randhir Dahiya
- Department of Pharmacology, Central University of Punjab, Bathinda, India
| | - Nidhi Rani
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Rajwinder Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Geeta Chahal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Praveen Kumar
- SunPharma, Hill Top Area, Vill. Bhatolikalan, P.O. Barotiwala, Distt. Solan, Himachal Pradesh, India-174103
| | - Gagandeep Kaur
- Chitkara College of Pharmacy, Chitkara University, Himachal Pradesh, India
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Ali B, Kumar M, Kumar P, Chauhan A, Usmani SA, Rudramurthy SM, Meis JF, Chakrabarti A, Singh A, Gaur NA, Mondal AK, Prasad R. Sphingolipid diversity in Candida auris: unraveling interclade and drug resistance fingerprints. FEMS Yeast Res 2024; 24:foae008. [PMID: 38444195 PMCID: PMC10941814 DOI: 10.1093/femsyr/foae008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/05/2024] [Accepted: 03/04/2024] [Indexed: 03/07/2024] Open
Abstract
In this study, we explored the sphingolipid (SL) landscape in Candida auris, which plays pivotal roles in fungal biology and drug susceptibility. The composition of SLs exhibited substantial variations at both the SL class and molecular species levels among clade isolates. Utilizing principal component analysis, we successfully differentiated the five clades based on their SL class composition. While phytoceramide (PCer) was uniformly the most abundant SL class in all the isolates, other classes showed significant variations. These variations were not limited to SL class level only as the proportion of different molecular species containing variable number of carbons in fatty acid chains also differed between the isolates. Also a comparative analysis revealed abundance of ceramides and glucosylceramides in fluconazole susceptible isolates. Furthermore, by comparing drug-resistant and susceptible isolates within clade IV, we uncovered significant intraclade differences in key SL classes such as high PCer and low long chain base (LCB) content in resistant strains, underscoring the impact of SL heterogeneity on drug resistance development in C. auris. These findings shed light on the multifaceted interplay between genomic diversity, SLs, and drug resistance in this emerging fungal pathogen.
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Affiliation(s)
- Basharat Ali
- Amity Institute of Integrative Science and Health and Amity Institute of Biotechnology, Amity University Gurgaon, Haryana, 122413, India
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Mohit Kumar
- Amity Institute of Integrative Science and Health and Amity Institute of Biotechnology, Amity University Gurgaon, Haryana, 122413, India
- Yeast Biofuel Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067 India
| | - Praveen Kumar
- Amity Institute of Integrative Science and Health and Amity Institute of Biotechnology, Amity University Gurgaon, Haryana, 122413, India
| | - Anshu Chauhan
- Amity Institute of Integrative Science and Health and Amity Institute of Biotechnology, Amity University Gurgaon, Haryana, 122413, India
| | - Sana Akhtar Usmani
- Department of Biochemistry, University of Lucknow, Lucknow, 226007 India
| | | | - Jacques F Meis
- Institute of Translational Research, Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases and Excellence Center for Medical Mycology (ECMM), University of Cologne, Cologne, 50931 Germany
| | | | - Ashutosh Singh
- Department of Biochemistry, University of Lucknow, Lucknow, 226007 India
| | - Naseem A Gaur
- Yeast Biofuel Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067 India
| | - Alok K Mondal
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Rajendra Prasad
- Amity Institute of Integrative Science and Health and Amity Institute of Biotechnology, Amity University Gurgaon, Haryana, 122413, India
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Rawashdeh M, Bani Yaseen AB, McEntee M, England A, Kumar P, Saade C. Diagnostic reference levels in spinal CT: Jordanian assessments and global benchmarks. J Xray Sci Technol 2024:XST230276. [PMID: 38189739 DOI: 10.3233/xst-230276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
BACKGROUND To reduce radiation dose and subsequent risks, several legislative documents in different countries describe the need for Diagnostic Reference Levels (DRLs). Spinal radiography is a common and high-dose examination. Therefore, the aim of this work was to establish the DRL for Computed Tomography (CT) examinations of the spine in healthcare institutions across Jordan. METHODS Data was retrieved from the picture archiving and communications system (PACS), which included the CT Dose Index (CTDI (vol) ) and Dose Length Product (DLP). The median radiation dose values of the dosimetric indices were calculated for each site. DRL values were defined as the 75th percentile distribution of the median CTDI (vol) and DLP values. RESULTS Data was collected from 659 CT examinations (316 cervical spine and 343 lumbar-sacral spine). Of the participants, 68% were males, and the patients' mean weight was 69.7 kg (minimum = 60; maximum = 80, SD = 8.9). The 75th percentile for the DLP of cervical and LS-spine CT scans in Jordan were 565.2 and 967.7 mGy.cm, respectively. CONCLUSIONS This research demonstrates a wide range of variability in CTDI (vol) and DLP values for spinal CT examinations; these variations were associated with the acquisition protocol and highlight the need to optimize radiation dose in spinal CT examinations.
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Affiliation(s)
- Mohammad Rawashdeh
- Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
- Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Abdel-Baset Bani Yaseen
- Faculty of Health, School of Clinical Science, Queensland University of Technology, Queensland, Australia
| | - Mark McEntee
- Discipline of Medical Imaging and Radiation Therapy, Brookfield Health Sciences, University College Cork
| | - Andrew England
- Discipline of Medical Imaging and Radiation Therapy, Brookfield Health Sciences, University College Cork
| | - Praveen Kumar
- Faculty of Health Sciences, Gulf Medical University, Ajman, UAE
| | - Charbel Saade
- Discipline of Medical Imaging and Radiation Therapy, Brookfield Health Sciences, University College Cork
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Mathew R, Mazumder A, Kumar P, Matula J, Mohamed S, Brazda P, Hariharan M, Thomas B. Unveiling the topology of partially disordered micro-crystalline nitro-perylenediimide with X-aggregate stacking: an integrated approach. Chem Sci 2024; 15:490-499. [PMID: 38179523 PMCID: PMC10762722 DOI: 10.1039/d3sc05514k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 11/23/2023] [Indexed: 01/06/2024] Open
Abstract
Profound knowledge of the molecular structure and supramolecular organization of organic molecules is essential to understand their structure-property relationships. Herein we demonstrate the packing arrangement of partially disordered nitro-perylenediimide (NO2-PDI), revealing that the perylenediimide units exhibit an X-shaped packing pattern. The packing of NO2-PDI is derived using a complementary approach that utilises solid-state NMR (ssNMR) and 3D electron diffraction (3D ED) techniques. Perylenediimide (PDI) molecules are captivating due to their high luminescence efficiency and optoelectronic properties, which are related to supramolecular self-assembly. Increasing the alkyl chain length on the imide substituent poses a more significant challenge in crystallizing the resulting molecule. In addition to the alkyl tails, other functional groups, like the nitro group attached as a bay substituent, can also cause disorder. Such heterogeneity could lead to diffuse scattering, which then complicates the interpretation of diffraction experiment data, where perfect periodicity is expected. As a result, there is an unmet need to develop a methodology for solving the structures of difficult-to-crystallize materials. A synergistic approach is utilised in this manuscript to understand the packing arrangement of the disordered material NO2-PDI by making use of 3D ED, ssNMR and density functional theory calculations (DFT). The combination of these experimental and theoretical approaches provides great promise in enabling the structural investigation of novel materials with customized properties across various applications, which are, due to the internal disorder, very difficult to study by diffraction techniques. By effectively addressing these challenges, our methodology opens up new avenues for material characterization, thereby driving exciting advancements in the field.
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Affiliation(s)
- Renny Mathew
- Science Division, New York University Abu Dhabi P.O. Box 129188 Abu Dhabi United Arab Emirates
| | - Aniruddha Mazumder
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM) Maruthamala P.O., Vithura Thiruvananthapuram 695551 Kerala India
| | - Praveen Kumar
- Science Division, New York University Abu Dhabi P.O. Box 129188 Abu Dhabi United Arab Emirates
| | - Julie Matula
- Science Division, New York University Abu Dhabi P.O. Box 129188 Abu Dhabi United Arab Emirates
| | - Sharmarke Mohamed
- Department of Chemistry, Green Chemistry & Materials Modelling Laboratory, Khalifa University of Science and Technology P.O. Box 127788 Abu Dhabi United Arab Emirates
- Advanced Materials Chemistry Center (AMCC), Khalifa University of Science and Technology P.O. Box 127788 Abu Dhabi United Arab Emirates
| | - Petr Brazda
- Institute of Physics of the Czech Academy of Sciences Na Slovance 2/1999 18200 Prague 8 Czech Republic
| | - Mahesh Hariharan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM) Maruthamala P.O., Vithura Thiruvananthapuram 695551 Kerala India
| | - Brijith Thomas
- Science Division, New York University Abu Dhabi P.O. Box 129188 Abu Dhabi United Arab Emirates
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32
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Wang J, Bouchez J, Dolant A, Floury P, Stumpf AJ, Bauer E, Keefer L, Gaillardet J, Kumar P, Druhan JL. Sampling frequency, load estimation and the disproportionate effect of storms on solute mass flux in rivers. Sci Total Environ 2024; 906:167379. [PMID: 37777138 DOI: 10.1016/j.scitotenv.2023.167379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/15/2023] [Accepted: 09/24/2023] [Indexed: 10/02/2023]
Abstract
Riverine discharge (Q) and dissolved concentrations (C) dictate solute mass export from watersheds. Commonly Q is tracked at a much higher frequency than C for most major solutes, leading to the necessity of load estimation algorithms which are often based on sparse data. The result is that the disproportionate effects of short-duration events (e.g., storms) on solute mass fluxes are poorly known. Here we use novel lab-in-the-field instrumentation to compare high temporal-resolution (∼30 min to 7 h) datasets of major ion chemistry collected over a year of continuous monitoring in three watersheds ranging over four orders of magnitude in drainage area. In these diverse settings, we quantify the errors associated with common load estimation algorithms and reduced sampling frequencies. When sample frequencies are coarsened, the mass flux of solutes which are diluted by storm events (i.e., Ca2+, Mg2+, Na+, Cl- and SO42-) are systematically overestimated, while nutrients which become mobilized by these events (K+ and NO3-) are underestimated. This is most pronounced in the largest river, and strongly tied to the increasing likelihood that storm events are missed as sampling frequencies decrease. Coarsening our high-resolution data to monthly sampling frequency yields an average overestimate of 8 % for Na+ and an average underestimate of 32.5 % for K+ across the three watersheds, illustrating clear implications for estuary and coastal water eutrophication, chemical weathering budgets, and agricultural land management practices. SYNOPSIS: A new 'lab-in-the-field' technology produces continuous high-frequency records of the full suite of major ions in rivers. These data highlight the disproportionate effect of large storms on catchment solute exports and the error associated with temporally coarse monitoring.
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Affiliation(s)
- Jinyu Wang
- University of Illinois at Urbana-Champaign, Department of Earth Science and Environmental Change, Urbana, IL, USA
| | | | - Antoine Dolant
- University of Illinois at Urbana-Champaign, Department of Civil and Environmental Engineering, Urbana, IL, USA; Extralab Company, Orsay, France
| | | | - Andrew J Stumpf
- University of Illinois at Urbana-Champaign, Illinois State Geological Survey, Champaign, IL, USA
| | - Erin Bauer
- University of Illinois at Urbana-Champaign, Illinois State Water Survey, Champaign, IL, USA; University of Illinois at Urbana-Champaign, Prairie Research Institute, Champaign, IL, USA
| | - Laura Keefer
- University of Illinois at Urbana-Champaign, Illinois State Water Survey, Champaign, IL, USA
| | | | - Praveen Kumar
- University of Illinois at Urbana-Champaign, Department of Civil and Environmental Engineering, Urbana, IL, USA; University of Illinois at Urbana-Champaign, Prairie Research Institute, Champaign, IL, USA
| | - Jennifer L Druhan
- University of Illinois at Urbana-Champaign, Department of Earth Science and Environmental Change, Urbana, IL, USA; Institut de Physique du Globe de Paris, Paris, France.
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Anne RP, Sundaram V, Kumar P. Change in Score for Neonatal Acute Physiology-II Measurements for Prediction of Mortality in Severely Septic Preterm Neonates: Authors' Reply. Indian J Pediatr 2024; 91:98. [PMID: 37610684 DOI: 10.1007/s12098-023-04801-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 07/19/2023] [Indexed: 08/24/2023]
Affiliation(s)
- Rajendra Prasad Anne
- Department of Neonatology, Kasturba Medical College, Manipal Academy of Higher Education (MAHE), Manipal, Karnataka, India
| | - Venkataseshan Sundaram
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India.
| | - Praveen Kumar
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, 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S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, Herfurth K, 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H, Jeffers L, Jenkins A, Jesky M, Jesus-Silva J, Jeyarajah D, Jiang Y, Jiao X, Jimenez G, Jin B, Jin Q, Jochims J, Johns B, Johnson C, Johnson T, Jolly S, Jones L, Jones L, Jones S, Jones T, Jones V, Joseph M, Joshi S, Judge P, Junejo N, Junus S, Kachele M, Kadowaki T, Kadoya H, Kaga H, Kai H, Kajio H, Kaluza-Schilling W, Kamaruzaman L, Kamarzarian A, Kamimura Y, Kamiya H, Kamundi C, Kan T, Kanaguchi Y, Kanazawa A, Kanda E, Kanegae S, Kaneko K, Kaneko K, Kang HY, Kano T, Karim M, Karounos D, Karsan W, Kasagi R, Kashihara N, Katagiri H, Katanosaka A, Katayama A, Katayama M, Katiman E, Kato K, Kato M, Kato N, Kato S, Kato T, Kato Y, Katsuda Y, Katsuno T, Kaufeld J, Kavak Y, Kawai I, Kawai M, Kawai M, Kawase A, Kawashima S, Kazory A, Kearney J, Keith B, Kellett J, Kelley S, Kershaw M, Ketteler M, Khai Q, Khairullah Q, Khandwala H, Khoo KKL, Khwaja A, Kidokoro K, Kielstein J, Kihara M, Kimber C, Kimura S, Kinashi H, Kingston H, Kinomura M, Kinsella-Perks E, Kitagawa M, Kitajima M, Kitamura 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Kumar P, Thakur S, Sharma S, Jhobta A. Intraparenchymal Epidermoid Cyst - A Rare Case. Neurol India 2024; 72:160-161. [PMID: 38443023 DOI: 10.4103/ni.neurol-india-d-23-00616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 11/27/2023] [Indexed: 03/07/2024]
Affiliation(s)
- Praveen Kumar
- Department of Radiodiagnosis, IGMC, Shimla, Himachal Pradesh, India
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Satapathy P, Kumar P, Chand K, Gahtori P, Rustagi S, Sah R, Neyazi A. The rising tide of tick-borne encephalitis across European nations. QJM 2023; 116:973-975. [PMID: 37792484 DOI: 10.1093/qjmed/hcad226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Indexed: 10/06/2023] Open
Affiliation(s)
- P Satapathy
- Center for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - P Kumar
- Global Center for Evidence Synthesis, Chandigarh 160036, India
- EvidenceSynthesis Lab, Kolkata 700156, India
| | - K Chand
- Global Center for Evidence Synthesis, Chandigarh 160036, India
- EvidenceSynthesis Lab, Kolkata 700156, India
| | - P Gahtori
- School of Pharmacy, Graphic Era Hill University, Dehradun 24800, India
| | - S Rustagi
- School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - R Sah
- Tribhuvan University Teaching Hospital, Kathmandu 46000, Nepal
- Department of Clinical Microbiology, DY Patil Medical College, Hospital and Research Centre, DY Patil Vidyapeeth, Pune, Maharashtra 411000, India
| | - A Neyazi
- Afghanistan Center for Epidemiological Studies, Herat, Afghanistan
- Herat Regional Hospital, Herat, Afghanistan
- ACES Chapter, Medical Faculty, Ghalib University
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Charles SJC, Kumar P, Reddy RP, Cong T, Chen S, Mittwede P, Moloney G, Siska P, Lin A. Dual Versus Single Plate Fixation of Displaced Midshaft Clavicle Fractures: A Cost-Effectiveness Analysis. J Bone Joint Surg Am 2023; 105:1886-1896. [PMID: 37967070 DOI: 10.2106/jbjs.23.00338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
BACKGROUND Prior studies have highlighted lower rates of reoperation if fixation of a displaced midshaft clavicle fracture is performed with dual plating (DP) compared with single plating (SP). Despite higher initial costs associated with the DP construct, the observed reduction in secondary surgeries compared with the SP construct may make it a more cost-effective treatment option. The objective of this study was to assess the cost-effectiveness of DP compared with SP in patients with operatively indicated displaced midshaft clavicle fractures. METHODS We developed a decision tree to model the occurrence of postoperative complications (acute hardware complications, wound healing issues, deep infection, nonunion, and symptomatic hardware) associated with secondary surgeries. Complication-specific risk estimates were pooled for both plating techniques using the available literature. The time horizon was 2 years, and the analysis was conducted from the health-care payer's perspective. The costs were estimated using direct medical costs, and the benefits were measured in quality-adjusted life-years (QALYs). We assumed that DP would be $300 more expensive than SP initially. We conducted probabilistic and 1-way sensitivity analyses. RESULTS The model predicted reoperation in 6% of patients in the DP arm compared with 14% of patients in the SP arm. In the base case analysis, DP increased QALYs by 0.005 and costs by $71 per patient, yielding an incremental cost-effectiveness ratio (ICER) of $13,242 per QALY gained. The sensitivity analysis demonstrated that the cost-effectiveness of DP was driven by the cost of the index surgery, risk of symptomatic hardware, and nonunion complications with SP and DP. At a willingness-to-pay threshold of $100,000 per QALY gained, 95% of simulations suggested that DP was cost-effective compared with SP. CONCLUSIONS When indicated, operative management of displaced midshaft clavicle fractures using DP was found to be cost-effective compared with SP. Despite its higher initial hardware costs, DP fixation appears to offset its added costs with greater health utility via lower rates of reoperation and improved patient quality of life. LEVEL OF EVIDENCE Economic and Decision Analysis Level II . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Shaquille J-C Charles
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Praveen Kumar
- Public Health Dynamics Laboratory, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Rajiv P Reddy
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Ting Cong
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Stephen Chen
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Peter Mittwede
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Gele Moloney
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Peter Siska
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Albert Lin
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
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Kumar P, Parashar M, Chauhan K, Chakraborty N, Sarkar S, Chandra A, Das NS, Chattopadhyay KK, Ghoari A, Adalder A, Ghorai UK, Saini S, Agarwal D, Ghosh S, Srivastava P, Banerjee D. Significant enhancement in the cold emission characteristics of chemically synthesized super-hydrophobic zinc oxide rods by nickel doping. Nanoscale Adv 2023; 5:6944-6957. [PMID: 38059027 PMCID: PMC10696928 DOI: 10.1039/d3na00776f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 10/28/2023] [Indexed: 12/08/2023]
Abstract
The current article presents a huge enhancement in the field emission characteristics of zinc oxide (ZnO) micro/nanorods by nickel doping. The synthesis of pure and nickel-doped zinc oxide (ZnO) micro/nanorods was done by a simple low-temperature chemical method. Both the as-prepared pure and doped samples were analyzed by X-ray diffraction and electron microscopy to confirm the proper phase formation and the developed microstructure. UV-vis transmittance spectra helped in determining the band gap of the samples. Fourier-Transform Infrared Spectroscopy (FTIR) spectra showed the different bonds present in the sample, whereas X-ray Photoelectron Spectroscopy (XPS) confirmed the presence of nickel in the doped sample. Photoluminescence (PL) spectra showed that after doping, the band-to-band transition was affected, whereas defect-induced transition had increased significantly. After the nickel doping, contact angle measurement revealed a significant decrease in the sample's surface energy, leading to a remarkably high water contact angle (within the superhydrophobic region). Simulation through ANSYS suggested that the doped sample has the potential to function as an efficient cold emitter, which was also verified experimentally. The cold emission characteristics of the doped sample showed a significant improvement, with the turn-on field (corresponding to J = 1 μA cm-2) reduced from 5.34 to 2.84 V μm-1. The enhancement factor for the doped sample reached 3426, approximately 1.5 times higher compared to pure ZnO. Efforts have been made to explain the results, given the favorable band bending as well as the increased number of effective emission sites.
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Affiliation(s)
- P Kumar
- Thin Film and Nanotechnology Laboratory, Faculty of Engineering and Computing Sciences, Teerthanker Mahaveer University Moradabad UP 244001 India
| | - M Parashar
- Thin Film and Nanotechnology Laboratory, Faculty of Engineering and Computing Sciences, Teerthanker Mahaveer University Moradabad UP 244001 India
| | - K Chauhan
- Thin Film and Nanotechnology Laboratory, Faculty of Engineering and Computing Sciences, Teerthanker Mahaveer University Moradabad UP 244001 India
| | - N Chakraborty
- Thin Film and Nanoscience Laboratory, Department of Physics, Jadavpur University Kolkata West Bengal 700032 India
| | - S Sarkar
- Thin Film and Nanoscience Laboratory, Department of Physics, Jadavpur University Kolkata West Bengal 700032 India
| | - A Chandra
- Thin Film and Nanoscience Laboratory, Department of Physics, Jadavpur University Kolkata West Bengal 700032 India
| | - N S Das
- Department of Basic Science and Humanities, Techno International Batanagar Maheshtala Kolkata 700141 India
| | - K K Chattopadhyay
- Thin Film and Nanoscience Laboratory, Department of Physics, Jadavpur University Kolkata West Bengal 700032 India
| | - A Ghoari
- Department of Industrial Chemistry, Ramakrishna Mission Vidyamandira Belur Math Howrah-711202 India
| | - A Adalder
- Department of Industrial Chemistry, Ramakrishna Mission Vidyamandira Belur Math Howrah-711202 India
| | - U K Ghorai
- Department of Industrial Chemistry, Ramakrishna Mission Vidyamandira Belur Math Howrah-711202 India
| | - S Saini
- Department of Physics, Indian Institute of Technology Hauz Khas South West Delhi 110016 India
| | - D Agarwal
- Department of Physics, Indian Institute of Technology Hauz Khas South West Delhi 110016 India
| | - S Ghosh
- Department of Physics, Indian Institute of Technology Hauz Khas South West Delhi 110016 India
| | - P Srivastava
- Department of Physics, Indian Institute of Technology Hauz Khas South West Delhi 110016 India
| | - D Banerjee
- Thin Film and Nanotechnology Laboratory, Faculty of Engineering and Computing Sciences, Teerthanker Mahaveer University Moradabad UP 244001 India
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Puri S, Sen IM, Bhardwaj N, Yaddanapudi S, Mathew PJ, Bandyopadhyay A, Samujh R, Dogra S, Kumar P. Postoperative outcome of neonatal emergency surgeries in a tertiary care institute-A prospective observational study. Paediatr Anaesth 2023; 33:1075-1082. [PMID: 37483171 DOI: 10.1111/pan.14731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/21/2023] [Accepted: 07/10/2023] [Indexed: 07/25/2023]
Abstract
AIMS Neonatal surgical mortality continues to be high in developing countries. A better understanding of perioperative events and optimization of causative factors can help in achieving a favorable outcome. The present study was designed to evaluate the perioperative course of surgical neonates and find out potential factors contributing to postoperative mortality. METHODS This prospective observational study enrolled neonates, undergoing emergency surgical procedures in a tertiary care institute. Primary outcome was 6 weeks postsurgical mortality. The babies were observed till discharge and subsequently followed up telephonically for 6 weeks after surgery. Multivariable logistic regression analysis of various parameters was performed. RESULTS Out of the 324 neonates who met inclusion criteria, 278 could be enrolled. The median age was 4 days. Sixty-two (27.7%) neonates were born before 37 weeks period of gestation (POG), and 94 (41.8%) neonates weighed below 2.5 kg. The most common diagnoses was trachea-esophageal fistula (29.9%) and anorectal malformation (14.3%). The median duration of hospital stay for survivors was 14 days. The in-hospital mortality was 34.8%. Mortality at 6 weeks following surgery was 36.2%. Five independent risk factors identified were POG < 34 weeks, preoperative oxygen therapy, postoperative inotropic support postoperative mechanical ventilation, and postoperative leukopenia. In neonates where invasive ventilation was followed by non-invasive positive pressure ventilation in the postoperative period, risk of postoperative surgical mortality was significantly reduced. CONCLUSION Present study identified preterm birth, preoperative oxygen therapy, postoperative positive pressure ventilation, requirement of inotropes, and postoperative leukopenia as independent predictors of 6-week mortality. The possibility of early switch to noninvasive positive pressure ventilation was associated with a reduction in neonatal mortality.
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Affiliation(s)
- Sunaakshi Puri
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Indu Mohini Sen
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Neerja Bhardwaj
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sandhya Yaddanapudi
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Preethy J Mathew
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Anjishnujit Bandyopadhyay
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Ram Samujh
- Department of Paediatric Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Shivani Dogra
- Department of Paediatric Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Praveen Kumar
- Department of Neonatology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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Kumar J, Saini SS, Kumar P. Care During Labour, Childbirth, and Immediate Newborn Care in India: A Review. Indian J Pediatr 2023; 90:20-28. [PMID: 37380919 DOI: 10.1007/s12098-023-04721-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/05/2023] [Indexed: 06/30/2023]
Abstract
India is committed to achieve a single-digit neonatal mortality rate (NMR) and stillbirth rate (SBR) by 2030 through India Newborn Action Plan (INAP) 2014. However, the current rate of decline is not enough to achieve the target neonatal mortality rate. Course correction and renewed efforts are required. This review outlines the current scenario and proposed scale-up of services included during labour, childbirth, and the immediate newborn period. The article summarises the challenges and bottlenecks in achieving a reduction in neonatal mortality rate and INAP targets. India has achieved over 80% coverage of three of the four ENAP coverage targets, but antenatal care coverage is still poor. There are concerns about the quality and completeness of antenatal care visits and other program interventions. The ongoing quality assurance should be strengthened through continuous supportive supervision by involving the medical colleges in a hub and spoke model and other key stakeholders. There is a need for effective and strategic engagement of the private sector in these initiatives. The states need to systematically assess the gaps as per population requirements and find effective solutions to overcome them quickly. The state and district-wise data maps show immense variations in coverage between states and within states, mirroring the variations in NMR. This indicates the need to ensure contextual micro-plans and provides an opportunity for the districts and states to learn from each other. The recent initiatives to strengthen primary healthcare should be used as a platform for all stillbirth and neonatal mortality prevention interventions in India.
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Affiliation(s)
- Jogender Kumar
- Division of Neonatology, Department of Pediatrics, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Shiv Sajan Saini
- Division of Neonatology, Department of Pediatrics, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Praveen Kumar
- Division of Neonatology, Department of Pediatrics, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
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Kumar P, Polavarapu M. A simple scoring system for prediction of IVH in very-low-birth-weight infants. Pediatr Res 2023; 94:2033-2039. [PMID: 37479747 DOI: 10.1038/s41390-023-02744-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/23/2023]
Abstract
BACKGROUND To develop a simple scoring system to predict either any or severe IVH in VLBW infants. METHODS In this retrospective cohort study, 923 VLBW infants were randomly divided into derivation (n = 431) and validation (n = 492) cohorts. After stepwise multivariable logistic regression analyses, a risk score was assigned to independent predictors. RESULTS The overall rates of any and severe IVH were 22.9% and 9.9%. Gestational age, maternal race, location of birth and sex were independent predictors of any IVH (AUC 0.75 in derivation cohort and 0.69 for validation cohort). Birth weight, Apgar score at 1 minute, location of birth and sex were independent predictors of severe IVH (AUC 0.84 in derivation cohort and 0.77 for validation cohort). For any IVH, infants in the high-risk category (total score 4 or 5) had > 50% likelihood of any IVH with a negative predictive value of 82.6%. For severe IVH, the total risk score ranged from 0-8, and infants in high-risk category (total score 6-8) had 30% likelihood of severe IVH with a negative predictive value of 94.9%. CONCLUSION We report an easy to calculate, validated scoring system with a high NPV to identify VLBW infants at highest risk of IVH. IMPACT We report a simple validated scoring system with a high NPV for prediction of IVH in VLBW infants. The variables in the proposed model are available at birth and unlikely to be influenced by provider bias. This scoring system can identify infants at risk of any and severe IVH, while most previous models predict only severe IVH. This scoring system does not require access to web-based resources. This scoring system can help in employing prevention strategies only for infants at highest risk of IVH and thus eliminate the risks of interventions in a large majority of VLBW infants.
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Affiliation(s)
- Praveen Kumar
- Pediatrics, University of Illinois College of Medicine at Peoria, Peoria, IL, USA.
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Jayakumar D, Mini M, Kumar P, Vaikkathillam P, Mohan A, Khan S. Synergistic Effect of Thymol-Ciprofloxacin Combination on Planktonic Cells and Biofilm of Pseudomonas aeruginosa. Curr Microbiol 2023; 81:23. [PMID: 38019310 DOI: 10.1007/s00284-023-03546-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 10/31/2023] [Indexed: 11/30/2023]
Abstract
Pseudomonas aeruginosa is an opportunistic bacteria causing severe and life-threatening infections in individuals with weakened immune systems. P. aeruginosa forms antibiotic-resistant biofilms, rendering it challenging to treat; hence, alternate therapies are required to eliminate it. Treatment of infections using a combination of drugs is gaining momentum to combat drug-resistant pathogens, including P. aeruginosa. This study explores the synergistic effects of Thymol in combination with Ciprofloxacin, Amikacin and Colistin against planktonic cells and biofilm of P. aeruginosa. Thymol in combination with Ciprofloxacin yields the fractional inhibitory concentration index values 0.156 and 0.375 in P. aeruginosa strains, GC14 and ATCC 9027, respectively, highlighting a robust synergistic effect on both the planktonic and biofilm of P. aeruginosa. The results showed that Thymol (512 μg/mL) and Ciprofloxacin (0.125 μg/mL) were the most effective combination with 95 and 93.5% total biofilm inhibition in GC14 and PA27, respectively, compared to the Thymol (512 μg/mL) and Ciprofloxacin (0.125 μg/mL) alone. Our findings suggest that the combinations of Thymol and Ciprofloxacin may be a potential therapeutic strategy to address the issue of infections caused by P. aeruginosa biofilms.
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Affiliation(s)
- Devi Jayakumar
- Department of Zoology, Govt College for Women, Thiruvananthapuram, Kerala, 695014, India
| | - Minsa Mini
- Department of Zoology, Govt College for Women, Thiruvananthapuram, Kerala, 695014, India
| | - Praveen Kumar
- Department of Zoology, Govt College for Women, Thiruvananthapuram, Kerala, 695014, India.
| | - Parvathi Vaikkathillam
- Department of Zoology, Govt College for Women, Thiruvananthapuram, Kerala, 695014, India
| | - Aparna Mohan
- Department of Zoology, Govt College for Women, Thiruvananthapuram, Kerala, 695014, India
| | - Sajeeb Khan
- Department of Zoology, Govt College for Women, Thiruvananthapuram, Kerala, 695014, India
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Deepak P, Kumar P, Pandey P, Arya DK, Jaiswal S, Kumar A, Sonkar AB, Ali D, Alarifi S, Ramar M, Rajinikanth PS. Pentapeptide cRGDfK-Surface Engineered Nanostructured Lipid Carriers as an Efficient Tool for Targeted Delivery of Tyrosine Kinase Inhibitor for Battling Hepatocellular Carcinoma. Int J Nanomedicine 2023; 18:7021-7046. [PMID: 38046236 PMCID: PMC10693281 DOI: 10.2147/ijn.s438307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/07/2023] [Indexed: 12/05/2023] Open
Abstract
Background Antitumor research aims to efficiently target hepatocarcinoma cells (HCC) for drug delivery. Nanostructured lipid carriers (NLCs) are promising for active tumour targeting. Cell-penetrating peptides are feasible ligands for targeted cancer treatment. Methods In this study, we optimized gefitinib-loaded NLCs (GF-NLC) for HCC treatment. The NLCs contained cholesterol, oleic acid, Pluronic F-68, and Phospholipon 90G. The NLC surface was functionalized to enhance targeting with the cRGDfK-pentapeptide, which binds to the αvβ3 integrin receptor overexpressed on hepatocarcinoma cells. Results GF-NLC formulation was thoroughly characterized for various parameters using differential scanning calorimetry and X-ray diffraction analysis. In-vitro and in-vivo studies on the HepG2 cell line showed cRGDfK@GF-NLC's superiority over GF-NLC and free gefitinib. cRGDfK@GF-NLC exhibited significantly higher cytotoxicity, growth inhibition, and cellular internalization. Biodistribution studies demonstrated enhanced tumour site accumulation without organ toxicity. The findings highlight cRGDfK@GF-NLC as a highly efficient carrier for targeted drug delivery, surpassing non-functionalized NLCs. These functionalized NLCs offer promising prospects for improving hepatocarcinoma therapy outcomes by specifically targeting HCC cells. Conclusion Based on these findings, cRGDfK@GF-NLC holds immense potential as a highly efficient carrier for targeted drug delivery of anticancer agents, surpassing the capabilities of non-functionalized NLCs. This research opens up new avenues for effective treatment strategies in hepatocarcinoma.
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Affiliation(s)
- Payal Deepak
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Praveen Kumar
- Department of Pharmacy, Indira Gandhi National Tribal University, Amarkantak, Madhya Pradesh, India
- S.D College of Pharmacy and Vocational Studies, Muzaffarnagar, Uttar Pradesh, India
| | - Prashant Pandey
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Dilip Kumar Arya
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Shweta Jaiswal
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Anand Kumar
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Archana Bharti Sonkar
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Daoud Ali
- Department of Zoology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Mohankumar Ramar
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Connecticut, Storrs, CT, 02903, USA
| | - P S Rajinikanth
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
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Bayye S, Kumar J, Bhatia P, Saha SC, Jain A, Madula PP, Kumar P. Iron Overload and Anemia in Rhesus Hemolytic Disease of Newborn: A Prospective Observational Study. Indian J Pediatr 2023:10.1007/s12098-023-04962-6. [PMID: 38010557 DOI: 10.1007/s12098-023-04962-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 11/20/2023] [Indexed: 11/29/2023]
Abstract
This study assessed the prevalence of iron overload in infants born to Rh isoimmunized mothers. Infants born to Rh isoimmunized mothers with Indirect Coomb's Test (ICT) titers ≥1:16 were prospectively enrolled and followed until 3 mo. Hemoglobin and serum ferritin were estimated at birth and 3 mo of age. The outcomes were the incidence of iron overload (at birth and 3 mo), anemia, and the need for transfusions in the first 3 mo. Seventy-four infants were enrolled, nearly half receiving intrauterine transfusion (IUT). Sixty (82.2%) had hyperferritinemia at birth. The median (1st, 3rd quartile) ferritin levels were 456 (321, 631) μg/L. Infants who received IUTs had significantly higher serum ferritin levels at birth. Fifty-one (76.1%) infants had hyperferritinemia at 3 mo. Over three months of follow-up, 53 (71.6%) infants had anemia, of which 33 (48.5%) required packed red blood cells (PRBC) transfusion. These findings suggest that iron overload is common in these infants in the first 3 mo.
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Affiliation(s)
- Swapna Bayye
- Neonatal Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Jogender Kumar
- Neonatal Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India.
| | - Prateek Bhatia
- Neonatal Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Subhas Chandra Saha
- Department of Obstetrics and Gynecology, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Ashish Jain
- Department of Transfusion Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Phani Priya Madula
- Neonatal Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Praveen Kumar
- Neonatal Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
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Kumar P, Kim H, Tripathy S, Watanabe K, Taniguchi T, Novoselov KS, Kotekar-Patil D. Excited state spectroscopy and spin splitting in single layer MoS 2 quantum dots. Nanoscale 2023; 15:18203-18211. [PMID: 37920920 DOI: 10.1039/d3nr03844k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Semiconducting transition metal dichalcogenides (TMDCs) are very promising materials for quantum dots and spin-qubit implementation. Reliable operation of spin qubits requires the knowledge of the Landé g-factor, which can be measured by exploiting the discrete energy spectrum on a quantum dot. However, the quantum dots realized in TMDCs are yet to reach the required control and quality for reliable measurement of excited state spectroscopy and the g-factor, particularly in atomically thin layers. Quantum dot sizes reported in TMDCs so far are not small enough to observe discrete energy levels on them. Here, we report on electron transport through discrete energy levels of quantum dots in a single layer MoS2 isolated from its environment using a dual gate geometry. The quantum dot energy levels are separated by a few (5-6) meV such that the ground state and the first excited state transitions are clearly visible, thanks to the low contact resistance of ∼700 Ω and relatively low gate voltages. This well-resolved energy separation allowed us to accurately measure the ground state g-factor of ∼5 in MoS2 quantum dots. We observed a spin-filling sequence in our quantum dots under a perpendicular magnetic field. Such a system offers an excellent testbed to measure the key parameters for evaluation and implementation of spin-valley qubits in TMDCs, thus accelerating the development of quantum systems in two-dimensional semiconducting TMDCs.
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Affiliation(s)
- P Kumar
- Institute for Functional Intelligent Materials, National University of Singapore, Singapore, 117544, Singapore
- Integrative Sciences and Engineering Programme, National University of Singapore, 119077, Singapore
| | - H Kim
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), Innovis, 2 Fusionopolis way, Singapore 138634, Singapore.
| | - S Tripathy
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), Innovis, 2 Fusionopolis way, Singapore 138634, Singapore.
| | - K Watanabe
- Research Center for Functional Materials, National Institute for Materials, Science, Tsukuba, 305-0044, Japan
| | - T Taniguchi
- Research Center for Functional Materials, National Institute for Materials, Science, Tsukuba, 305-0044, Japan
| | - K S Novoselov
- Institute for Functional Intelligent Materials, National University of Singapore, Singapore, 117544, Singapore
- Integrative Sciences and Engineering Programme, National University of Singapore, 119077, Singapore
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117575, Singapore.
| | - D Kotekar-Patil
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), Innovis, 2 Fusionopolis way, Singapore 138634, Singapore.
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Maitra S, Roy K, Ghosh D, Kumar P. Lattice strain induced d-band centre engineering enabled pseudocapacitive energy storage in 2D hypo-hyper electronic V-NiCo 2O 4 for asymmetric supercapacitors. Nanoscale 2023; 15:18368-18382. [PMID: 37933197 DOI: 10.1039/d3nr03251e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
Understanding the role of fundamental structural engineering of materials in unravelling the underlying rudimentary electronic structure-dependent charge storage mechanisms is crucial for developing new strategic approaches toward high-performance electrochemical energy storage devices. Here, we demonstrate the role of strain engineering by V doping-induced lattice contraction in NiCo2O4 for increasing the energy density and power density of aqueous asymmetric hybrid supercapacitors. For application in energy storage, we demonstrate the influence of electron-deficient V4+/5+ doping in electron-rich Ni2+ sites, which has been found to result in the formation of a hypo-hyper electronically coupled cation pair causing a shift in the d-band and O 2p band centres and distortion of CoO6 octahedra. Optimization of V doping to 3 mol%, achieved by a binder-free one-step hydrothermal method, has yielded a 96% increase in specific capacitance of up to 2316 F g-1 from 1193 F g-1 in pristine materials at 1 A g-1 in a three-electrode configuration with a coulombic efficiency (η%) of 94% and a 24% increase in rate capacity. A two-fold increase in specific capacitance in the pouch cell device, fabricated with a functionalized carbon nanosphere positive electrode, has been observed for the V-doped samples at 1 A g-1 with a η% of 97% and a maximum energy density of 96.3 W h g-1 and a maximum power density of 8733.6 W g-1 which are 41% and 24.3% higher than the pristine device, respectively. Excellent cycling stability of 95.4% capacitance retention has been observed after 6000 cycles. DFT calculations have been carried out to understand the previously unexplored effect of lattice strain on charge transport and quantum capacitance, and ultimately its effect on the transition state kinetics of energy storage faradaic reaction mechanisms. The aim of this work is to establish a fresh perspective on developing a deep understanding of the fundamental electronic and structural properties of materials by drawing in concepts from descriptor models in electrocatalysis to reveal the role of lattice strain and d-band centre tailoring in enabling pseudocapacitive energy storage.
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Affiliation(s)
- Soumyajit Maitra
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700032, India.
| | - Krishnendu Roy
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700032, India.
| | - Dibyendu Ghosh
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700032, India.
| | - Praveen Kumar
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700032, India.
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Tamrakar A, Kumar P, Garg N, Luis SV, Pandey MD. Intracellular Zn(II) induced turn-on fluorescence of an L-phenylalanine-derived pseudopeptide. Org Biomol Chem 2023; 21:8823-8828. [PMID: 37906437 DOI: 10.1039/d3ob01337e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
A C2 symmetric L-phenylalanine-derived pseudopeptide has been synthesized for selective and sensitive recognition of Zn(II) ions in aqueous-organic media. The pseudopeptidic probes exhibit intracellular Zn(II) ion-sensing capabilities as demonstrated via live-cell fluorescence studies on RAW264.7 cells. Hence, we present a bioinspired pseudopeptide for potential biological applications involving intracellular Zn(II) ion detection.
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Affiliation(s)
- Arpna Tamrakar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
| | - Praveen Kumar
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, 221005, India
| | - Neha Garg
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, 221005, India
| | - Santiago V Luis
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Av. SosBaynat, s/n, E-12071 Castellón, Spain
| | - Mrituanjay D Pandey
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
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Kulkarni V, Saini SS, Sundaram V, Mukhopadhay K, Dutta S, Kumar P. Serum lactate and lactate clearance as early predictors of mortality in preterm neonates. Pediatr Neonatol 2023:S1875-9572(23)00212-7. [PMID: 38000930 DOI: 10.1016/j.pedneo.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 09/27/2023] [Accepted: 10/02/2023] [Indexed: 11/26/2023] Open
Affiliation(s)
- Vinay Kulkarni
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India; Department of Pediatrics and Neonatology, Muslim Maternity and Childrens' Hospital, Osmanpura, Hyderabad, 500024, India
| | - Shiv Sajan Saini
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
| | - Venkataseshan Sundaram
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Kanya Mukhopadhay
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sourabh Dutta
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Praveen Kumar
- Division of Neonatology, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Chetambath R, Kumar P, Nandini V, Chandran S, Chacko A. Catamenial haemothorax-A rare cause of pleural effusion. Lung India 2023; 40:541-544. [PMID: 37961963 PMCID: PMC10723198 DOI: 10.4103/lungindia.lungindia_144_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/10/2023] [Accepted: 04/26/2023] [Indexed: 11/15/2023] Open
Abstract
Common causes of haemorrhagic pleural effusions include malignancy (primary or metastatic), tuberculosis, pulmonary embolism, collagen vascular diseases, trauma and iatrogenic causes. Clinical history along with pathologic, microbiologic and biochemical evaluation of pleural fluid confirms the diagnosis in most cases. However, if there is recurrent haemorrhagic effusion without corroborative history or mass lesion in lung, or evidence of microorganisms, then we should think of uncommon causes. Catamenial haemothorax (CHt) is a rare cause of haemorrhagic pleural effusion, which recurs during each menstrual cycle. This is a manifestation of thoracic endometriosis syndrome (TES) caused by ectopic endometrial tissue in the thoracic cavity in women of child-bearing age. This extremely rare condition is difficult to diagnose, unless direct correlation with the menstrual cycle is established. TES consists of pleural forms such as catamenial pneumothorax, non-catamenial endometriosis-related pneumothorax and haemothorax; and parenchymal forms such as catamenial haemoptysis and lung nodules. Here we report a case of CHt in a 43-year-old female whose diagnosis was established by thoracoscopic pleural biopsy.
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Affiliation(s)
| | - Praveen Kumar
- Department of Pulmonology, Baby Memorial Hospital, Kozhikode, Kerala, India
| | - V Nandini
- Department of Pulmonology, Baby Memorial Hospital, Kozhikode, Kerala, India
| | - Shilpa Chandran
- Department of Pulmonology, Baby Memorial Hospital, Kozhikode, Kerala, India
| | - Anju Chacko
- Department of Pulmonology, Baby Memorial Hospital, Kozhikode, Kerala, India
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