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Cellular Response of Immune Cells in the Upper Respiratory Tract After Treatment with Cold Atmospheric Plasma In Vitro.
Int J Mol Sci
December 2024
Department of Dermatology, University Medical Center Regensburg, 93053 Regensburg, Germany.
Cold atmospheric plasma (CAP) has antimicrobial properties and is also known to stimulate the immune system. These properties could be useful for the development of a novel therapeutic or preventive strategy against respiratory infections in the upper respiratory tract (URT) such as ventilator-associated pneumonia (VAP) without inducing an immune overreaction. This study investigated the cellular responses of polymorphonuclear neutrophils (PMNs) after exposure to CAP in a three-dimensional (3D) model of the URT.
View Article and Find Full Text PDFCopper and nickel doped carbon dots for rapid and sensitive fluorescent turn-off detection of bilirubin.
Sci Rep
January 2025
Department of Chemistry, Amrita School of Physical Sciences Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, India.
Carbon dots doped with metals and non-metals have gained much popularity due to the enhancement in their optical and electronic properties. In this study, polyethyleneimine-functionalized transition metal (nickel or copper) doped carbon dots (CD, NiCD and CuCD) were synthesized through hydrothermal method. The carbon dots exhibited a blue fluorescence at 470 nm when excited at 350 nm.
View Article and Find Full Text PDFChromium Detection in Water Using Optical Methods: A Study of Reagent and Reagentless Approaches.
Crit Rev Anal Chem
January 2025
Department of Electronics and Communication, Vidyavardhaka College of Engineering, Mysuru, India.
Water contaminated with chromium (Cr) poses significant risks to public health and the environment, necessitating reliable detection techniques. This review study uniquely provides a comprehensive analysis of optical methods for detecting Cr pollution in water, focusing on both reagent-based and reagentless approaches, as well as various sensing platforms. Unlike existing reviews that primarily focus on electrochemical and colorimetric/fluorimetric methods, this work highlights the untapped potential of optical technologies, such as colorimetry, SPR, UV-Vis spectroscopy, and more, in detecting distinct Cr species, including reagent and reagentless based approaches.
View Article and Find Full Text PDFTowards Novel Antiplasmodial Agents-Design, Synthesis and Antimalarial Activity of Second-Generation β-Carboline/Chloroquine Hybrids.
Molecules
December 2024
Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, 10000 Zagreb, Croatia.
As the resistance of to the existing antimalarials increases, there is a crucial need to expand the antimalarial drug pipeline. We recently identified potent antimalarial compounds, namely harmiquins, hybrids derived from the β-carboline alkaloid harmine and 4-amino-7-chloroquinoline, a key structural motif of chloroquine (CQ). To further explore the structure-activity relationship, we synthesised 13 novel hybrid compounds at the position -9 of the β-carboline ring and evaluated their efficacy in vitro against 3D7 and Dd2 strains (CQ sensitive and multi-drug resistant, respectively).
View Article and Find Full Text PDFMono--alkylation of Amphotericin B and Nystatin A and Its Amides: Effect on the In Vitro Activity, Cytotoxicity and Permeabilization of Model Membranes.
Antibiotics (Basel)
December 2024
Gause Institute of New Antibiotics, 11 B. Pirogovskaya, Moscow 119021, Russia.
: In 2022, the World Health Organization highlighted the necessity for the development of new antifungal agents. Polyene antibiotics are characterized by a low risk of drug resistance; however, their use is limited by low solubility and severe side effects. : A series of -alkylated derivatives of amphotericin B and nystatin A as well as their -(2-hydroxyethyl)amides were synthesized.
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