Publications by authors named "Khalid Umar"

Introduction Rising prevalence rates of type 2 diabetes mellitus (T2DM), particularly in younger populations, have made early-onset T2DM (diagnosed before age 40) an increasingly significant health concern. Early-onset T2DM is often associated with more rapid progression and increased complications, including cardiovascular disease (CVD). However, its specific impact on cardiovascular outcomes remains inadequately understood, particularly compared to T2DM in older populations.

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Introduction And Importance: Adrenal metastases can rarely present as a solitary clinical manifestation among cases with underlying hepatocellular carcinoma (HCC).

Case Presentation: The authors present the case of a 53-year-old male with chronic liver disease due to chronic hepatitis C who presented with left flank pain. Imaging revealed a left-sided suprarenal mass.

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Plant growth-promoting bacteria (PGPRs) have the potential to act as biofertilizers and biopesticides. This study was planned to explore indigenously isolated PGPRs as a potential candidate to control charcoal rot that affects various crops including soybean. Among the four different tested species of PGPRs, (FCBP-SB-406) showed significant potential to enhance growth and control soil borne pathogens such as (FCBP-SB-324) followed next.

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  • * Black and Hispanic patients tended to be younger, had lower income, and faced higher hospital costs compared to White patients, with Black patients experiencing more complications like kidney injuries and needing blood transfusions.
  • * Notably, Black and Hispanic patients were less likely to receive limb-saving procedures and more likely to undergo amputations, highlighting significant health disparities in treatment and outcomes for PVD.
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Microbial fuel cells (MFCs) seem to have emerged in recent years to degrade the organic pollutants from wastewater. The current research also focused on phenol biodegradation using MFCs. According to the US Environmental Protection Agency (EPA), phenol is a priority pollutant to remediate due to its potential adverse effects on human health.

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  • The meta-analysis compared the safety and efficacy of angiotensin receptor neprilysin inhibitors (ARNI) against angiotensin receptor blockers (ARBs) and angiotensin-converting-enzyme inhibitors (ACEi) in heart failure with reduced ejection fraction (HFrEF).
  • Ten studies were analyzed, revealing that ARNI treatment significantly reduced all-cause mortality and cardiovascular death, but did not show a difference in ejection fraction changes or heart failure hospitalizations compared to control groups.
  • However, there was a notable increase in the risk of hypotension among patients taking ARNI, suggesting a need for further research on ARNI usage and its side effects in heart failure patients.
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Antimicrobial resistance has posed a serious health concern worldwide, which is mainly due to the excessive use of antibiotics. In this study, gold nanoparticles synthesized from the plant were used against multidrug-resistant . The active components involved in the reduction and stabilization of gold nanoparticles were revealed by gas chromatography-mass spectrophotometry(GC-MS) of the stem extract of Gold nanoparticles (TG-AuNPs) were effective against at different concentrations (50,100, and 150 µg/mL).

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The green synthesis method of was used for the synthesis of silver nanoparticles using (green tea). The silver nanoparticles (CS-AgNPs) were characterized using different techniques, including UV-Vis (ultra violet-visible), SEM (scanning electron microscopy), TEM (transmission electron microscopy), and XRD (X-ray diffraction). The average size of the CS-AgNPs was 52 nm, according to TEM.

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In this work, a polypyrrole-polyethyleneimine (PPy-PEI) nano-adsorbent was successfully synthesized for the removal of methylene blue (MB) from an aqueous solution. Synthetic dyes are among the most prevalent environmental contaminants. A new conducting polymer-based adsorbent called (PPy-PEI) was successfully produced using ammonium persulfate as an oxidant.

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  • The sol-gel technique successfully created ZnO Nano-swirlings (ZNsw) using specific amounts of zinc acetate dihydrate and cetyltrimethylammoniumbromide with high agitation rates.
  • The characteristics of ZNsw, including molecular size and morphology, were analyzed using various techniques like XRD, SEM, and UV-visible spectroscopy, revealing large clusters with folded thread-like structures.
  • The ZNsw demonstrated effective photocatalytic activity by degrading 79% of Azo Dye AR183 under UV light and showed potential antifungal properties by inhibiting the growth of two plant pathogenic fungi.
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  • The study explores the effectiveness of rice straw biochar and fly ash nanoparticles in boosting plant growth and combating bacterial infections in pepper plants caused by Xanthomonas campestris, focusing on both lab and field experiments.* -
  • Results showed that applying these nanoparticles significantly improved chili pepper growth, with rice straw biochar being particularly effective in increasing both above and belowground biomass and inhibiting the bacterial pathogen more than 50% in lab tests.* -
  • The findings suggest that using biochar and fly ash nanoparticles can improve soil conditions and enhance crop productivity, depending on the specific soil type and disease circumstances.*
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Photocatalytic degradation can be increased by improving photo-generated electrons and broadening the region of light absorption through conductive polymers. In that view, we have synthesized Polyaniline (PANI) with CdS, CdS-ZnS, and CdS-TiO nanocomposites using the chemical precipitation method, characterized and verified for the photo-degradation of Acid blue-29 dye. This paper provides a methodical conception about in what way conductive polymers "PANI" enhances the performance rate of composite photocatalysts (CdS, CdS-ZnS and CdS-TiO).

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Chromothripsis is a form of genomic instability characterized by the occurrence of tens to hundreds of clustered DNA double-strand breaks in a one-off catastrophic event. Rearrangements associated with chromothripsis are detectable in numerous tumor entities and linked with poor prognosis in some of these, such as Sonic Hedgehog medulloblastoma, neuroblastoma and osteosarcoma. Hence, there is a need for therapeutic strategies eliminating tumor cells with chromothripsis.

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Although regarded as environmentally stable, bioelectrochemical fuel cells or, microbial fuel cells (MFCs) continue to face challenges with sustaining electron transport. In response, we examined the performance of two graphene composite-based anode electrodes-graphene oxide (GO) and GO-polymer-metal oxide (GO-PANI-Ag)-prepared from biomass and used in MFCs. Over 7 days of operation, GO energy efficiency peaked at 1.

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The present work focused on the utilization of three local wastes, i.e., rambutan (Nephelium lappaceum), langsat (Lansium parasiticum), and mango (Mangifera indica) wastes, as organic substrates in a benthic microbial fuel cell (BMFC) to reduce the cadmium and lead concentrations from synthetic water.

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Sustainable water processing techniques have been extensively investigated and are capable of improving water quality. Among the techniques, photocatalytic technology has shown great potential in recent years as a low cost, environmentally friendly and sustainable technology. However, the major challenge in the industrial development of photocatalyst technology is to develop an ideal photocatalyst which must have high photocatalytic activity, a large specific surface area, harvest sunlight and shows recyclability.

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Background: Medulloblastomas with chromothripsis developing in children with Li-Fraumeni Syndrome (germline TP53 mutations) are highly aggressive brain tumors with dismal prognosis. Conventional photon radiotherapy and DNA-damaging chemotherapy are not successful for these patients and raise the risk of secondary malignancies. We hypothesized that the pronounced homologous recombination deficiency in these tumors might offer vulnerabilities that can be therapeutically utilized in combination with high linear energy transfer carbon ion radiotherapy.

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Benthic microbial fuel cells (BMFCs) are considered to be one of the eco-friendly bioelectrochemical cell approaches nowadays. The utilization of waste materials in BMFCs is to generate energy and concurrently bioremediate the toxic metals from synthetic wastewater, which is an ideal approach. The use of novel electrode material and natural organic waste material as substrates can minimize the present challenges of the BMFCs.

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A study was carried out to determine the effectiveness of lignin, extracted from oil palm (Elaeis guineensis) biomass as water-in-oil (W/O) emulsifying agent. To achieve this goal, soda lignin (SL) was extracted via soda pulping process and a series of nanosized soda lignin (NSL) were prepared using homogenizer at three different speed i.e.

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In vitro assays for clustered DNA lesions will facilitate the analysis of the mechanisms underlying complex genome rearrangements such as chromothripsis, including the recruitment of repair factors to sites of DNA double-strand breaks (DSBs). We present a novel method generating localized DNA DSBs using UV irradiation with photomasks. The size of the damage foci and the spacing between lesions are fully adjustable, making the assay suitable for different cell types and targeted areas.

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Nanoparticles (nanoparticles) have received much attention in biological application because of their unique physicochemical properties. The metal- and metal oxide-supported nanomaterials have shown significant therapeutic effect in medical science. The mechanisms related to the interaction of nanoparticles with animal and plant cells can be used to establish its significant role and to improve their activity in health and medical applications.

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The recycling and treatment of wastewater using microbial fuel cells (MFCs) has been attracting significant attention as a way to control energy crises and water pollution simultaneously. Despite all efforts, MFCs are unable to produce high energy or efficiently treat pollutants due to several issues, one being the anode's material. The anode is one of the most important parts of an MFC.

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Nanotechnology is an innovative area of science that includes the design, characterization, production, and application of materials, devices and systems by controlling shape and size at the nanometer scale (1-100 nm). Nanotechnology incorporation in cosmetic formulation is considered as the hottest and emerging technology available. Cosmetic manufacturers use nanoscale size ingredients to provide better UV protection, deeper skin penetration, long-lasting effects, increased color, finish quality, and many more.

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The authors describe a method for solvent-free mechano-chemical synthesis of a bioinspired sorbent. A 2D ultra-thin carbon sheet similar to graphene oxide was prepared using a natural waste (onion sheet). The formation of 2D carbon sheets was confirmed by Raman spectroscopy, X-ray photoelectron spectroscopy and ATR-IR.

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