Catecholamines (CAs), including adrenaline, noradrenaline, and dopamine, are neurotransmitters and hormones that play a critical role in regulating the cardiovascular system, metabolism, and stress response in the human body. As promising methods for real-time monitoring of catecholamine neurotransmitters, LC-MS detectors have gained widespread acceptance and shown significant progress over the past few years. Other detection methods such as fluorescence detection, colorimetric assays, surface-enhanced Raman spectroscopy, and surface plasmon resonance spectroscopy have also been developed to varying degrees. In addition, efficient pretreatment technology for CAs is flourishing due to the increasing development of many highly selective and recoverable materials. There are a few articles that provide an overview of electrochemical detection and efficient enrichment, but a comprehensive summary focusing on analytical detection technology is lacking. Thus, this review provides a comprehensive summary of recent analytical detection technology research on CAs published between 2017 and 2022. The advantages and limitations of relevant methods including efficient pretreatment technologies for biological matrices and analytical methods used in combination with pretreatment technology have been discussed. Overall, this review article provides a better understanding of the importance of accurate CAs measurement and offers perspectives on the development of novel methods for disease diagnosis and research in this field.
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http://dx.doi.org/10.1080/10408347.2023.2258982 | DOI Listing |
Nanoscale
March 2025
Department of Physics, University of Gothenburg, Gothenburg, Sweden.
In order to relate nanoparticle properties to function, fast and detailed particle characterization is needed. The ability to characterize nanoparticle samples using optical microscopy techniques has drastically improved over the past few decades; consequently, there are now numerous microscopy methods available for detailed characterization of particles with nanometric size. However, there is currently no "one size fits all" solution to the problem of nanoparticle characterization.
View Article and Find Full Text PDFAnal Methods
March 2025
Departamento de Química, Instituto para el Desarrollo Agroindustrial y de la Salud (IDAS), Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Rio Cuarto 5800, Argentina.
Neonicotinoids are systemic insecticides used in agriculture. In particular, imidacloprid (IM) and thiamethoxam (TM) have selective toxicity to insects, and they have been implicated in the steep decline of the global honeybee population, specifically in colony collapse disorder (CCD). Some scientific reports have shown that a significant amount of honey worldwide contains traces of neonicotinoids, at levels strong enough to cause damage to bees.
View Article and Find Full Text PDFInt J Cosmet Sci
March 2025
Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Bratislava, Slovakia.
Objective: This work deals with the development of an analytical method for the analysis of body milk, cream, and oil. The objective is to develop a reliable, sensitive, and reproducible method suitable to assess the content of dexpanthenol in personal care products and to confirm the declared enantiomeric form.
Methods: Optimization of conditions for the extraction of panthenol from personal care products was carried out for the detection and quantification of panthenol and its enantiomers by achiral and chiral high-performance liquid chromatography (HPLC) with spectrophotometric detection.
Small
March 2025
Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
Using small molecules to integrate multifunctional surfaces within a nanopore is an effective way to endow smart responsibilities of nanofluidic diodes. However, the complex synthesis of the small molecules hinders their further application in achieving multifunctional surfaces. Here, a simple and versatile design concept is reported for fabricating bioinspired integrated nanofluidic diodes with adjustable surface chemistry by confining a spirocyclic fluorescein derivative, 6-aminofluorescein (6-AF), within an asymmetric track-etched nanopore.
View Article and Find Full Text PDFLife Metab
April 2025
Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
Previous studies suggested that fecal short-chain fatty acids (SCFAs) and branched short-chain fatty acids (BCFAs) are associated with glucose regulation. However, the potential relationship between circulating SCFAs and BCFAs with incident diabetes risk in both men and women remains unidentified in prospective cohort studies. In this study, we examined a panel of nine serum SCFAs and BCFAs in 3414 subjects with incident diabetes, and matched normoglycemic controls from the China Cardiometabolic Disease and Cancer Cohort study.
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