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Background: Hemoglobin G-Siriraj is a rare hemoglobin variant caused by a β-globin gene mutation (HBB: c.22G>A). The focus of this paper is aimed mainly at the chromatographic and electrophoretic properties of hemoglobin G-Siriraj for a presumptive identification.
View Article and Find Full Text PDFSingle-molecule resolution of the conformation of polymers and dendrimers with solid-state nanopores.
Talanta
January 2025
Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences & Chongqing School, University of Chinese Academy of Science, Chongqing, 400714, PR China. Electronic address:
Polymers and dendrimers are macromolecules, possessing unique and intriguing characteristics, that are widely applied in self-assembled functional materials, green catalysis, drug delivery and sensing devices. Traditional approaches for the structural characterization of polymers and dendrimers involve DLS, GPC, NMR, IR and TG, which provide their physiochemical features and ensemble information, whereas their unimolecular conformation and dispersion also are key features allowing to understand their transporting profile in confined ionic nanochannels. This work demonstrates the nanopore approach for the determination of charged homopolymers, neutral block copolymer and dendrimers under distinct bias potentials and pH conditions.
View Article and Find Full Text PDFComputer Simulation of Sulfated Cyclodextrin-Based Enantioselective Separation of Weak Bases With Partial, High-Concentration Filling of the Chiral Selector and Analyte Detection on the Cathodic Side.
Electrophoresis
January 2025
Institute for Infectious Diseases, University of Bern, Bern, Switzerland.
Computer simulation was utilized to characterize the electrophoretic processes occurring during the enantioselective capillary electrophoresis-mass spectrometry (CE-MS) analysis of ketamine, norketamine, and hydroxynorketamine in a system with partial filling of the capillary with 19 mM (equals 5%) of highly sulfated γ-cyclodextrin (HS-γ-CD) and analyte detection on the cathodic side. Provided that the sample is applied without or with a small amount of the chiral selector, analytes become quickly focused and separated in the thereby formed HS-γ-CD gradient at the cathodic end of the sample compartment. This gradient broadens with time, remains stationary, and gradually reduces its span from the lower side due to diffusion such that analytes with high affinity to the anionic selector become released onto the other side of the focusing gradient where anionic migration and defocusing occur concomitantly.
View Article and Find Full Text PDFGoat's Milk Powder Enriched with Red ( L.) and Black ( Murray) Goji Berry Extracts: Chemical Characterization, Antioxidant Properties, and Prebiotic Activity.
Foods
December 2024
Department of Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Belgrade, Serbia.
The current trend in food innovations includes developing products containing plant ingredients or extracts rich in bioactive compounds. This study aimed to prepare and characterize skimmed thermally treated goat's milk powders enriched with lyophilized fruit extracts of Murray (GMLR) and L. (GMLB).
View Article and Find Full Text PDFGmARF15 Enhances the Resistance of Soybean to by Promoting Expression in Response to Salicylic Acid Signalling.
Int J Mol Sci
December 2024
Plant Biotechnology Center, College of Agronomy, Jilin Agriculture University, Changchun 130118, China.
Phytophthora root and stem rot caused by () is a globally prevalent oomycete disease. The use of resistant cultivars is an effective and environmentally friendly strategy to manage this disease. It is important to understand the molecular mechanisms underlying the response of (soybean) to infection.
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