Acrolein is a major unsaturated aldehyde that is generated during the lipid peroxidation process. The measurement of acrolein in biological samples should be useful to estimate the degree of lipid peroxidation and to evaluate the effect of hazardous properties of acrolein on human health. In this study, a highly sensitive and selective high-performance liquid chromatography with fluorescence detection method was developed for the determination of acrolein in human serum. The proposed method involves the pre-column fluorogenic derivatization of acrolein with 1,2-diamino-4,5-dimethoxybenzene (DDB) as a reagent. The fluorescent derivative of acrolein could be detected clearly without any interfering reagent blank peaks because DDB does not have intrinsic fluorescence itself, and the detection limit was 10 nM (signal-to-noise ratio = 3). The proposed method could selectively detect acrolein in human serum with a simple protein precipitation treatment.
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http://dx.doi.org/10.1002/bmc.3422 | DOI Listing |
J Mater Chem B
December 2024
Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China.
Endometriosis and adenomyosis are debilitating gynecological conditions that severely affect the quality of life of women. Traditional diagnostic and treatment methods, including laparoscopic surgery and hormonal therapy, face significant limitations such as incomplete lesion detection, high recurrence rates, and adverse side effects. Emerging bioengineering technologies offer promising solutions for precise diagnosis and therapy of these diseases.
View Article and Find Full Text PDFJ Mater Chem B
December 2024
Precision Healthcare University Research Institute, Queen Mary University of London, Empire House, London, E1 1HH, UK.
A multi-branched fluorogenic probe for the rapid and specific detection of Gram-negative bacteria is reported. Three Gram-negative-targeting azido-modified polymyxins were clicked onto a trivalent scaffold functionalised with the environmental green-emitting fluorophore 7-nitrobenz-2-oxa-1,3-diazole. The probe allowed wash-free detection of target bacteria with increased sensitivity and lower limits of detection compared to monovalent probes.
View Article and Find Full Text PDFDiabet Med
December 2024
Department of Clinical and Biomedical Sciences, Faculty of Health and Life Sciences, University of Exeter Medical School, Exeter, UK.
Aims: Acute hypoglycaemia promotes pro-inflammatory cytokine production, increasing the risk for cardiovascular events in diabetes. AMP-activated protein kinase (AMPK) is regulated by and influences the production of pro-inflammatory cytokines. We sought to examine the mechanistic role of AMPK in low glucose-induced changes in the pro-inflammatory cytokine macrophage migration inhibitory factor (MIF), which is elevated in people with diabetes.
View Article and Find Full Text PDFJ Mater Chem B
December 2024
Departament de Farmacologia, Toxicologia i Química Terapèutica, Universitat de Barcelona, Av. Joan XXIII 27-31, Barcelona, 08028, Spain.
Glutathione (GSH) plays a vital role in the regulation of intracellular functions which alterations in physiological glutathione levels are associated to various diseases. Molecular bioimaging is a sensitive method for GSH detection, but challenges persist in the development of fluorescent probes, mainly concerning long-term tracking of intracellular GSH concentration because of aggregation of molecular probes and their washout in cells. Engineered nanomaterials have shown great promise for increasing the disease diagnosis accuracy.
View Article and Find Full Text PDFChemosphere
December 2024
National Institute of Aquatic Resources, Section for Oceans and Arctic, Technical University of Denmark, Henrik Dams Allé, Building 201, 2800 Kgs. Lyngby, Denmark. Electronic address:
Knowledge of contaminant distribution and transport of contaminant plumes in groundwater is important for effective remediation. Tedious and expensive laboratory analyses could be supplemented with optical measurements such as fluorescence to offer a rapid alternative with the potential for on-site measurements. Here, we explore the applicability of fluorescence spectroscopy as an on-site alternative to identifying the extent of a groundwater contaminant plume in Grindsted, Denmark.
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