Publications by authors named "Arvind Kumar"

Objective: The antifungal audit aimed to evaluate antifungal usage in a tertiary care center. It focused on patient profiles, the appropriateness of antifungal use, associated adverse drug reactions, reasons for suboptimal usage, and the economic burden caused by prolonged non-optimal antifungal use.

Method: ology: Conducted at All India Institute of Medical Sciences, New Delhi, India from January 2019 to December 2020, the study evaluated systemic antifungal use in 100 hospitalized adults with invasive fungal infections.

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Background: Distal radius fractures (DRFs) are some of the most common injuries suffered by the elderly; however, there are varied opinions on management. As there is limited research on patient factors affecting functional outcomes in conservatively managed patients with DRFs, this study aimed to find predictive factors for functional outcomes in such patients.

Methods: Patients with DRFs satisfying the inclusion criteria were managed with closed reduction and slab followed by cast application.

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Skin aging, often called as premature skin aging, is the hastened deterioration of the skin resulting from multiple factors, including UV radiation, environmental contaminants, inadequate nutrition, stress, etc. Dietary phytochemicals, present in fruits, vegetables, and other plant-derived meals, have gained interest due to their efficiency to eradicate free radicals and lowering the release of inflammatory mediators which accounts for premature skin aging. Several dietary phytochemicals, i.

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Background: The 2021 US Preventive Services Task Force (USPSTF) lung cancer screening guideline may continue to exclude many younger Black individuals who have not yet accumulated enough smoking pack-years to be eligible for screening. The objective of this study was to evaluate the proportions of Black and White patients with lung cancer, stratified by age at diagnosis, who would have been eligible for lung cancer screening.

Methods: Incident lung cancer cases among Black and White individuals aged 50-80 years with a smoking history in the Southern Community Cohort Study (SCCS) were identified for analysis.

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Hepatitis E is a hepatotropic virus and the most common cause of acute viral hepatitis among adults in India. It has four genotypes, and genotype 1 is mostly associated with sporadic cases. It typically causes self-limiting acute hepatitis following a prodromal course.

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Article Synopsis
  • The study focuses on the synthesis and anti-inflammatory effects of thirteen new substituted-isoxazole derivatives (5a-5m), which are important compounds in medicinal chemistry.
  • The main goals were to create these new compounds, evaluate how they interact with COX-1/2 enzymes using computational methods, and test their anti-inflammatory effects in lab animals.
  • Results show that three of the compounds exhibited significant anti-inflammatory properties and low toxicity, suggesting potential for further medicinal use.
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Background: Neurocysticercosis (NCC) is one of the leading parasitic infections of the brain. Giant NCC is rare, with only two cases of cerebellar involvement reported till now. In the presence of a host immune response, these giant NCCs can mimic primary central nervous system neoplasms.

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Rosai-Dorfman-Destombes (RDD) disease is a rare syndrome characterised by benign lymphoproliferative disorder with sinus histiocytosis that presents with massive lymphadenopathy. It occurs mainly in children and young adults. It can be associated with autoimmune diseases like systemic lupus erythematosus (SLE).

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Managed aquifer recharge (MAR) replenishes groundwater by artificially entering water into subsurface aquifers. This technology improves water storage, reduces over-extraction, and ensures water security in water-scarce or variable environments. MAR systems are complex, encompassing various components such as water storage, soil, meteorological factors, groundwater management (GWM), and receiving bodies.

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Cerebral ischemic stroke ranks among the leading causes of death and disability worldwide. A significant challenge, beyond the lack of effective therapies, is the frequent oversight of sex as a vital factor in stroke research. This study focuses on elucidating the sex-specific epigenetic mechanisms that contribute to neural damage and recovery in cerebral ischemia.

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Optomechanical devices based on sliced silicon photonic crystal nanobeams could have several use cases in future quantum technologies, especially as quantum transducers between different quantum systems. To create the required pure mechanical states at low temperatures, an understanding of photon absorption, thermal relaxation, and the associated photothermal force is crucial. Here, we characterize the strength of the photothermal force in sliced silicon nanobeam resonators.

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Wheat is one of the most important food crop cultivated across the globe which ensures sustainability and food security to massive world's population, but its production is threatened by both biotic factors like rust (caused by species) and abiotic stresses such as salinity. In this study, 41 salt-tolerant wheat lines were screened for rust resistance at both seedling and adult plant stages. Rust resistance genes were characterized through gene matching technique and molecular markers analysis.

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Microplastics (MPs) pollution has emerged as a global environmental concern due to its detrimental impacts on ecosystems. Conventional wastewater/water treatment methods are inadequate for MPs removal due to their diminutive size ranging from micrometers to nanometers. Advanced oxidation processes (AOPs) have gained attention as a promising green strategy for the efficient and safe elimination of MPs from aqueous systems.

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Objective: Despite the rising incidence of pediatric differentiated thyroid cancer (DTC), postoperative outcomes for such tumors have not been well-characterized. The objective of this study was to compare pathologic tumor characteristics and treatment outcomes for pediatric and adult patients with DTC.

Study Design: Retrospective case-control study.

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Unregulated cell division is one of the main causes of cancer. These cancerous cells negatively impact nearby healthy cells. Cancer can occur anywhere in the body.

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The hobnail variation of papillary thyroid cancer (PTC) is an uncommon, aggressive variety with hobnail characteristics on more than 30% of the tumour cells. Because of the entity's rarity, the clinical behaviour and pathologic characteristics of these tumours are still unknown. The purpose of this case study was to look at the cytologic, clinical, and pathological aspects of the hobnail variant of PTC, because of its severe clinicopathologic features and poor outcome, the unusual hobnail type of PTC may necessitate more aggressive treatment than traditional PTCs.

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Article Synopsis
  • Constant exposure to harmful substances can disrupt the body's balance, leading to severe skin damage and various types of skin cancer such as BCC, SCC, and melanoma.
  • Plant-derived compounds from fruits and vegetables have been shown to protect against skin cancer by neutralizing harmful free radicals and other toxins.
  • These dietary phytochemicals are effective in cancer prevention, exhibiting anti-inflammatory and antioxidant properties, and influencing key cellular processes to stop cancer progression.
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A comprehensive LC-MS/MS method, which employs Positive Electrospray Ionization (PEI) and Multiple Reaction Monitoring (MRM) was developed for the simultaneous determination of 35 pesticides belonging to various chemical classes in tomato, brinjal, chili, and okra samples. Extraction was facilitated using a modified QuEChERS method, which allows efficient sample analysis in a single run. Calibration curves for each pesticide exhibited linearity within the concentration range of 0.

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Background: Sustainable crop production along with best nutrient use efficiency is the key indicator of smart agriculture. Foliar application of plant nutrients can complement soil fertilization with improved nutrient uptake, translocation and utilization. Recent developments in slow releasing, nano-fertilizers in agriculture, begins a new era for sustainable use and management of natural resources.

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The nano-sized powder photocatalysts are prone to agglomeration and poor reusability, which cause secondary pollution. To avoid the loss of powder photocatalyst, Titanium dioxide/(TiO)/impregnated Zirconium (Zr)-chitosan beads were prepared using a simple cross-linking reaction for the peroxymonosulfate activation to aid the tetracycline degradation. The beads' structural, morphological and optical properties were studied using different techniques.

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Bisphenol A (BPA) is one of the most prevalent endocrine disrupting chemicals (EDCs) and there is widespread concern about the adverse effects of EDCs on human health. However, the exact mechanism of these toxicities has still not been fully deciphered. Additionally, studies have reported the toxicological effects at far low doses to the generally considered no-observed-adverse-effect level (NOAEL) dose.

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Transcription factor (TF) DNA-binding dynamics govern cell fate and identity. However, our ability to pharmacologically control TF localization is limited. Here we leverage chemically driven binding site restriction leading to robust and DNA-sequence-specific redistribution of PU.

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Background: Poisoning is a significant health hazard and a leading cause of morbidity and mortality worldwide. India, being a predominantly agrarian country, routinely employs organophosphate (OP) pesticides in farming, and they are readily available "over the counter." OPs exert their toxicity by interfering with the normal function of acetylcholine, an essential neurotransmitter throughout the autonomic and central nervous systems.

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