Publications by authors named "Purushottam Kumar"

Article Synopsis
  • Traditional methods for measuring the chemical composition of particulate matter are expensive and complex, mostly using research-grade instruments that aren't suitable for routine monitoring.
  • A new online instrument called "ChemSpot" has been developed to autonomously measure key characteristics like organic aerosol mass loading and sulfur content, offering a cost-effective alternative.
  • The ChemSpot has shown high particle collection efficiency and quick heating capabilities, with its results closely correlating to those from more traditional methods, indicating it can operate reliably over long periods.
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Introduction: This study presents a comprehensive assessment of healthcare facilities, focusing on workforce composition, operational dynamics, diagnostic laboratory services, and accessibility considerations. The comparison between government and private healthcare sectors provides insights into service delivery and potential disparities. The study's rationale, objectives, and methodology are explored in the context of the Indian healthcare landscape.

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Introduction Osteoarthritis (OA) is the most common form of degenerative joint disease characterized by the progressive degeneration of articular cartilage, osteophyte formation, and joint space narrowing. Matrix metalloproteinases (MMPs) are potential biomarkers for osteoarthritis. Aims and objective The study's aim is the estimation of serum and synovial fluid matrix metalloproteinase (MMP) 13 and serum vitamin D levels in the grade 3 and grade 4 stages of osteoarthritis according to the Kellgren and Lawrence (KL) system of classification.

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Article Synopsis
  • The Indian government launched "Ayushman Bharat" and the "Pradhan Mantri Jan Arogya Yojana (PMJAY)" in 2018-19 to improve access to healthcare services; this study evaluated healthcare workers' understanding and preparedness to implement PMJAY.
  • A survey conducted with a sample of 411 healthcare workers revealed that doctors had significantly higher awareness scores than nursing officers, with an overall awareness mean score of 5.52 (out of a possible maximum) and a readiness score of 18.49.
  • The results indicated a weak positive correlation between awareness and readiness, suggesting that as healthcare workers become more aware of PMJAY, their readiness to implement it also increases; this highlights the
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Link prediction in networks has applications in computer science, graph theory, biology, economics, etc. Link prediction is a very well studied problem. Out of all the different versions, link prediction for unipartite graphs has attracted most attention.

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The generation of electricity by dissociating water into HO and OH ions through a hydroelectric cell (HEC) without liberating any toxic waste has achieved a groundbreaking feat. Nanoporous magnesium-doped SnO and cobalt-doped SnO materials have been prepared via a novel sol-gel method. The X-ray diffraction patterns of Mg-doped SnO and Co-doped SnO completely match with those of pure SnO, which confirms the interstitial substitution of Mg and Co in the pristine SnO.

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Background: In the recent years, the frequency, severity, clinical characteristics, treatment response, and relapse rate of dermatophytosis have dramatically changed in India. Given the surge in dermatophytosis, we had undertaken a study to isolate and identify the common species causing dermatophyte infection and to know the efficacy of the common antifungals against them.

Materials And Methods: A total of 103 new cases that were not on any treatment for the past 3 months were included.

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In the present study, we assessed for the first time the performance of our custom-designed low-cost Particulate Matter (PM) monitoring devices (Atmos) in measuring PM concentrations. We examined the ambient PM levels during an intense measurement campaign at two sites in the Delhi National Capital Region (NCR), India. In this study, we validated the un-calibrated Atmos for measuring ambient PM concentrations at highly polluted monitoring sites.

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Hydatid cyst is a common health problem of world in sheep grazing area. Liver is the most commonly involved organ. Splenic hydatid cyst is uncommon and its isolated involvement is very rare.

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An improved process for graphene transfer was used to demonstrate high performance graphene enabled vertical organic field effect transistors (G-VFETs). The process reduces disorder and eliminates the polymeric residue that typically plagues transferred films. The method also allows for purposely creating pores in the graphene of a controlled areal density.

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