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Enhancing Biocide Safety of Milk Using Biosensors Based on Cholinesterase Inhibition.
Biosensors (Basel)
January 2025
Biosensors Analysis Environment Group (BAE-LBBM), Université de Perpignan, Via Domitia, 52 Avenue Paul Alduy, Cedex, F-66860 Perpignan, France.
A sensitive and reliable electrochemical biosensor for the detection of benzalkonium chloride (BAC) and didecyldimethylammonium chloride (DDAC), the most commonly used disinfectant biocides in the agri-food industry, is described. Acetylcholinesterase from (DM AChE) and butyrylcholinesterase from horse serum (BChE) were immobilized by entrapment in a photocrosslinkable polymer on the surface of carbon screen-printed electrodes. Preliminary tests conducted in phosphate buffer showed limits of detection (LODs) of 0.
View Article and Find Full Text PDFCardiac acetylcholinesterase and butyrylcholinesterase have distinct localization and function.
Am J Physiol Heart Circ Physiol
January 2025
Comenius University Bratislava, Faculty of Pharmacy, Department of Pharmacology and Toxicology, Bratislava, Slovakia.
Cholinesterase (ChE) inhibitors are under consideration to be used in the treatment of cardiovascular pathologies. A prerequisite to advancing ChE inhibitors into the clinic is their thorough characterization in the heart. The aim here was to provide a detailed analysis of cardiac ChE to understand their molecular composition, localization, and physiological functions.
View Article and Find Full Text PDFHuman α10 nicotinic acetylcholine receptor subunits assemble to form functional receptors.
J Biol Chem
January 2025
School of Biological Sciences, University of Utah, Salt Lake City, Utah, USA; Department of Psychiatry, University of Utah, Salt Lake City, Utah, USA; George E. Whalen Veterans Affairs Medical Center, Salt Lake City, Utah, USA.
Nicotinic acetylcholine receptors (nAChRs) are pentameric ligand-gated ion channels. In mammals, there are 16 individual nAChR subunits allowing for numerous possible heteromeric compositions. nAChRs assembled from α7 or α9 subunits will form as homopentamers.
View Article and Find Full Text PDFDeep eutectic solution elution assisted ligand affinity assay: A useful tool for the active coumarins screening from Fructus cnidii.
Anal Chim Acta
January 2025
Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, 300070, Tianjin, China. Electronic address:
Background: Many of the ligand affinity analyses are presented in water environment, and the hydrophilic solution such as methanol is used for dissociating the bound compounds. The obtained dissociation solution needs to be concentrated for improving the sensitivity of the assay. However, it is not good for the analysis of hydrophobic and volatile compounds such as coumarins.
View Article and Find Full Text PDFAn Electrochemiluminescence Biosensor for Detection of Methyl Parathion With a Novel Probe Ru-MIL-100 via the Acetylcholinesterase Inhibition Coupled With the Reaction Between HAc and Triethylamine.
Luminescence
January 2025
College of Environmental Science and Engineering, Guilin University of Technology, Guilin, China.
It is of great significance to develop sensors for trace pesticide residues detection in food. Herein, an electrochemiluminescence (ECL) sensor with high sensitivity for the detection of methyl parathion (MP) was constructed by combining of the acetylcholinesterase (AChE) enzyme-inhibited reaction with tris-2,2'-bipyridyl ruthenium Ru(bpy) -triethylamine (TEA) system for the first time. A new ECL probe of MIL-100 loaded with Ru(bpy) (Ru-MIL-100) was synthesized, and then Ru-MIL-100 and AChE were immobilized on the electrode with Nafion.
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