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[Albumin adjustment of total serum calcium - is it worth doing?].
Probl Endokrinol (Mosk)
November 2024
Calcium is the most abundant mineral in the human body. About 99% of calcium is deposited in the bones in the form of hydroxyapatite and only 1% is located in the intracellular and extracellular fluid. Ionized calcium, which makes up about 50% of the total amount of circulating calcium, is biologically active; the remaining percentage is bound to plasma proteins (40%, of which albumin accounts for 90%, and globulins for 10%), or is in complex with anions (10%) such as citrate, lactate, bicarbonate, phosphate.
View Article and Find Full Text PDFDimeric guaianolide sesquiterpenoids from the flowers of Chrysanthemum indicum ameliorate hepatic steatosis through mitigating SIRT1-mediated lipid accumulation and ferroptosis.
J Adv Res
January 2025
State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, Macao 999078, China; Guangdong-Hong Kong-Macau Join Laboratory for Pharmacodynamic Constituents of TCM and New Drugs Research, University of Macau, Avenida da Universidade, Taipa, Macao 999078, China; Department of Pharmaceutical Sciences, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macao 999078, China. Electronic address:
Introduction: Non-alcoholic fatty liver disease (NAFLD) acts as the primary contributor to non-alcoholic steatohepatitis, fibrosis, cirrhosis, and potentially hepatocellular carcinoma. The flowers of Chrysanthemum indicum, a traditional edible medicinal herb, have been widely used in China for more than 2000 years. However, the function of C.
View Article and Find Full Text PDFTuning Bro̷nsted Acidity by up to 12 p Units in a Redox-Active Nanopore Lined with Multifunctional Metal Sites.
J Am Chem Soc
January 2025
Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States.
Electrostatic interactions, hydrogen bonding, and solvation effects can alter the free energies of ionizable functional groups in proteins and other nanoporous architectures, allowing such structures to tune acid-base chemistry to support specific functions. Herein, we expand on this theme to examine how metal sites ( = H, Zn, Co, Co) affect the p of benzoic acid guests bound in discrete porphyrin nanoprisms () in CDCN. These host-guest systems were chosen to model how porous metalloporphyrin electrocatalysts might influence H transfer processes that are needed to support important electrochemical reactions (e.
View Article and Find Full Text PDFRovibrationally resolved Rayleigh and Raman scattering cross sections for molecular hydrogen.
J Chem Phys
December 2024
Department of Physics and Astronomy, Curtin University, Perth, Western Australia 6102, Australia.
Accurate Rayleigh and Raman scattering cross sections, tensor components, depolarization ratios, and reversal coefficients for all rovibrational transitions within the X1Σg+ ground electronic state of H2 have been calculated. Raman spectra have been generated using these data. A method for calculating Raman scattering cross sections is formulated that is valid below the ionization threshold and in the region containing resonances, which explicitly accounts for all bound and dissociative vibrational levels of the bound intermediate electronic states and approximately accounts for the ionization continuum.
View Article and Find Full Text PDFBound-State Beta Decay of ^{205}Tl^{81+} Ions and the LOREX Project.
Phys Rev Lett
December 2024
Institut für Kern- und Teilchenphysik, Technische Universität Dresden, Zellescher Weg 19, 01062 Dresden, Germany.
Stable ^{205}Tl ions have the lowest known energy threshold for capturing electron neutrinos (ν_{e}) of E_{ν_{e}}≥50.6 keV. The Lorandite Experiment (LOREX), proposed in the 1980s, aims at obtaining the longtime averaged solar neutrino flux by utilizing natural deposits of Tl-bearing lorandite ores.
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