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Antimicrobial agents in agricultural fertilizers produced from sewage sludge - A cause for concern?
Sci Total Environ
January 2025
University of Bath, Department of Chemistry, Bath BA2 7AY, United Kingdom; Centre of Excellence in Water-Based Early Warning Systems for Health Protection, University of Bath, Bath BA25RX, United Kingdom.
The production of organic-mineral fertilizers from sewage sludge is one of the ecological options in their management. Though, pharmaceuticals and their derivatives, which accumulate in the sludge, could be a problem due to their impacts on the environment. This manuscript aimed at better understanding of risks posed by antimicrobial agents (AAs) in sludge-based fertilizers.
View Article and Find Full Text PDFStructural diversity of copper(I) alkynyl cluster-based coordination polymers utilizing bifunctional pyridine carboxylic acid ligands.
Nanoscale
October 2024
State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.
The utilization of bifunctional ligands, specifically pyridine carboxylic acids, endowed with dual coordination sites, has been instrumental in the assembly of polymer materials. The ambidentate characteristics of these ligands play a crucial role in shaping the structure and framework of cluster-based polymers. In this study, we have synthesized a diverse array of multidimensional copper(I) alkynyl cluster-based polymers (CACPs) by employing four distinct pyridine carboxylic acids - namely, isonicotinic acid (INA), 6-isoquinolinecarboxylic acid (IQL), 4-pyridin-4-yl-benzoic acid (4-PyBA), and 3-pyridin-4-yl-benzoic acid (3-PyBA) - as linking ligands.
View Article and Find Full Text PDFUrinary drug metabolite profiling of tuberculosis treatment failure using proton nuclear magnetic resonance.
J Pharm Biomed Anal
September 2024
Human Metabolomics, North-West University (Potchefstroom Campus), Private Bag x6001, Box 269, Potchefstroom 2531, South Africa. Electronic address:
Article Synopsis
- - The study investigates the unknown reasons behind treatment failure in tuberculosis (TB) by using a specialized H NMR technique to analyze TB drug levels and their metabolites in the urine of patients.
- - Urine samples were taken from patients at different stages of TB treatment and analyzed to compare drug concentrations between those who were cured and those who experienced treatment failure.
- - Results indicated that metabolites of isoniazid (INH) were higher in patients who did not respond effectively to treatment, suggesting that factors beyond genetics, like environmental influences and variations in metabolic pathways, may play a significant role in treatment failure.
Synthesis of N-isonicotinic sulfonate chitosan and its antibiofilm activity against E. coli and S.aureus.
Carbohydr Res
August 2024
The Instrumental Analysis Center, Huaqiao University, Xiamen, 361021, PR China.
N-(sodium 2-hydroxypropylsulfonate) chitosan (HSCS), N-sulfonate chitosan (SCS) and N-isonicotinic sulfonate chitosan (ISCS) were prepared. The structures of the prepared chitosan derivatives were characterized by nuclear magnetic resonance (H NMR) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, ultraviolet-visible (UV-vis) spectroscopy and elemental analysis (EA). Antibacterial and antibiofilm activities of these chitosan derivatives were evaluated in vitro.
View Article and Find Full Text PDFAdsorption of terbutaline β-agonists from wastewater by mechano-synthesized iron oxide nanoparticles modified copper (II) isonicotinate metal-organic framework.
Environ Res
October 2024
HICoE-Centre for Biofuel and Biochemical Research, Institute of Sustainable Energy, Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak Darul Ridzuan, Malaysia; Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
Frequent detection of terbutaline in wastewater highlights its potential risks to human health associated in the environment. Exposure to terbutaline through contaminated water sources or food chain have adverse effects to human health. This work emphasized on the removal of terbutaline from wastewater using adsorption technology.
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