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Analysis of the spatial distribution of metabolites in Aloe vera leaves by mass spectrometry imaging and UHPLC-UHRMS.
Sci Rep
January 2025
Department of Polymers and Biopolymers, Faculty of Chemistry, Rzeszów University of Technology, 6 Powstańców Warszawy Ave., Rzeszów, 35-959, Poland.
This study presents an investigation of the chemical composition of Aloe vera leaf tissue with a focus on the spatial distribution of compounds. The composition was studied using two mass spectrometry imaging techniques: silver-109 nanoparticles assisted laser desorption/ionization mass spectrometry imaging (AgNPs-LDI-MSI) and laser ablation-remote atmospheric pressure photoionization/chemical ionization mass spectrometry imaging (LARAPPI/CI-MSI) and the identification was aided by ultra-high-performance liquid chromatography and ultra-high-resolution mass spectrometry (UHPLC-UHRMS) analysis. The results showed an abundance of phenolic compounds with antioxidant, antimicrobial, and anti-inflammatory properties, making it a beneficial food additive and food packaging material.
View Article and Find Full Text PDFA practical approach to investigating nosocomial acquisition of Aspergillus.
Med Mycol
January 2025
Fungal Infection Working Group, International Society of Antimicrobial Chemotherapy.
Invasive mould disease (IMD) has a high mortality in immunosuppressed patients. Invasive aspergillosis (IA) is the most common IMD. A guideline for preventing IA has been published jointly by the Centers for Diseases Control and Prevention, the Infectious Disease Society of America, and the American Society of Blood and Marrow Transplantation.
View Article and Find Full Text PDFPattern of antibiotic dispensing at pharmacies according to access, watch, reserve (AWaRe) classification: multicenter study after COVID-19 waves in different districts of Pakistan.
BMC Res Notes
January 2025
Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, 37000, Pakistan.
Objective: The dispensing of non-prescription antibiotics is a worldwide concern, and antibiotics should only be dispensed with a legitimate prescription.
Methodology: A cross-sectional study was conducted using the simulated client methodology, with data collected, recorded, and analyzed using SPSS.
Results: The simulated client visited 210 pharmacies, of which 70 dispensed antibiotics without a prescription.
The Antimicrobial Activity of Zinc Oxide Nanoparticles incorporated into Alginate Impression Material: An Study.
J Int Soc Prev Community Dent
December 2024
College of Dentistry, Mosul University, Mosul, Iraq.
Background And Aim: In dental clinics, disinfecting alginate impression materials is a critical practice to prevent cross-infection. Recently, zinc oxide nanoparticles (ZnO NPs) have been explored for their potential antimicrobial properties, making them promising additives for dental materials. This study investigates the antimicrobial activity of ZnO NPs incorporated into alginate impression materials and assesses the impact on material flow.
View Article and Find Full Text PDFBiogenic nanoparticles as a promising drug delivery system.
Toxicol Rep
June 2025
Therapeutic Chemistry Department, National Research Center, El Buhouth St., Dokki, Cairo 12622, Egypt.
Nanotechnology has significantly influenced the worldwide medical services sector during the past few decades. Biological collection approaches for nanoparticles are economical, non-toxic, and ecologically benign. This review provides up-to-date information on nanoparticle production processes and biological sources, including algae, plants, bacteria, fungus, actinomycetes, and yeast.
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