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In vivo toxic and lethal cardiorespiratory effects of a synthetic quaternary ammonium salt derivative of haloperidol in mice.
Animal Model Exp Med
January 2025
Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, China.
Background: To investigate the toxicity of N-n-butyl haloperidol iodide (F2), a quaternary ammonium salt derivative of haloperidol, in mice for potential therapeutic purposes.
Methods: The acute median lethal dose (LD) of F2 was determined using the Bliss method following intravenous administration in mice. Routine surface electrocardiograms (ECGs) and arterial blood pressures (aBPs) were recorded under general anesthesia in untreated and pharmacologically vagotomized mice injected with F2.
Drug Property Optimization: Design, Synthesis, and Characterization of Novel Pharmaceutical Salts and Cocrystal-Salt of Lumefantrine.
Mol Pharm
January 2025
Department of Industrial and Molecular Pharmaceutics, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, Indiana 47907, United States.
Lumefantrine (LMF) is a low-solubility antimalarial drug that cures acute, uncomplicated malaria. It exerts its pharmacological effects against erythrocytic stages of spp. and prevents malaria pathogens from producing nucleic acid and protein, thereby eliminating the parasites.
View Article and Find Full Text PDFImpact of the COVID-19 Pandemic on the Use of Quaternary Ammonium Compound Disinfectants in Healthcare Facilities Within Selected States in the United States of America.
Cureus
December 2024
Anatomy/Embryology, Edward Via College of Osteopathic Medicine - Virginia, Blacksburg, USA.
Introduction Quaternary ammonium compounds (QACs) are the active ingredient in the majority of disinfectants approved for use against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of the coronavirus disease 2019 (COVID-19). Although widely used, they have been linked to infertility and birth defects in animals, and have been shown to increase proinflammatory cytokines, decrease mitochondrial function, and disrupt sterol biosynthetic pathways in a dose-dependent manner in humans. This study examined if there was an increased use of QAC-based disinfectants among healthcare settings in response to the COVID-19 pandemic and aims to bring to light the negative health outcomes that this rise in QAC exposure may pose.
View Article and Find Full Text PDFEnhancing Rotator Cuff Repair in Rabbit Osteoporosis With Chitosan Quaternary Ammonium Salt-Coated Nickel-Titanium Memory Alloy Anchors.
Am J Sports Med
January 2025
Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, P.R. China.
Background: For patients with osteoporosis and rotator cuff tears, there is still no consensus on current treatment methods. The material, structure, and number of anchors have important effects on the repair outcome.
Purpose: To investigate the use of chitosan quaternary ammonium salt-coated nickel-titanium memory alloy (NTMA) anchors to treat rotator cuff injury in shoulders with osteoporosis in a rabbit osteoporosis model.
Differential effects of fine particulate matter constituents on acute coronary syndrome onset.
Nat Commun
December 2024
School of Public Health, Key Lab of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China.
Fine particulate matter has been linked with acute coronary syndrome. Nevertheless, the key constituents remain unclear. Here, we conduct a nationwide case-crossover study in China during 2015-2021 to quantify the associations between fine particulate matter constituents (organic matter, black carbon, nitrate, sulfate, and ammonium) and acute coronary syndrome, and to identify the critical contributors.
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