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Designing mimosine-containing peptides as efficient metal chelators: Insights from molecular dynamics and quantum calculations.
J Inorg Biochem
December 2024
Faculty of Chemistry (UPV/EHU), Manuel Lardizabal 3, Donostia-San Sebastian 20018, Spain; DIPC, Manuel Lardizabal 4, Donostia-San Sebastian 20018, Spain. Electronic address:
Mimosine, a non-essential amino acid derived from plants, has a strong affinity for binding divalent and trivalent metal cations, including Zn, Ni, Fe, and Al. This ability endows mimosine with significant antimicrobial and anti-cancer properties, making it a promising candidate for therapeutic applications. Previous research has demonstrated the effectiveness of mimosine-containing peptides as metal chelators, offering a safer alternative to conventional chelation agents.
View Article and Find Full Text PDFA simple chromone-derived fluorescent "Turn-on" probe for accurate detection of Al Ions: Applications in food Analysis, test strips and bioimaging.
Spectrochim Acta A Mol Biomol Spectrosc
December 2024
Henan Institute of Advanced Technology, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China. Electronic address:
To address the toxicity concerns of aluminum ions (Al) due to their widespread environmental presence, a novel chromone-derived fluorescent probe, (E)-N'-((4-oxo-4H-chromen-3-yl)methylene)benzohydrazide (NMA), was developed for dual-mode detection combining colorimetric and fluorometric channels. Upon chelation with Al in a 1:1 stoichiometric ratio, NMA exhibited a significant fluorescence enhancement at 510 nm, accompanied by a rapid and visible color change due to the chelation-enhanced fluorescence (CHEF) effect, achieving an exceptional detection limit of 9 nM-well below the World Health Organization's recommended threshold. The reversible binding of NMA, demonstrated through sequential addition of Al and EDTA, enabled the construction of an INHIBIT molecular logic gate, broadening its potential for smart sensing applications.
View Article and Find Full Text PDFUpdate on current and emerging treatment paradigms for hyperphosphatemia in chronic kidney disease.
Expert Opin Pharmacother
January 2025
Department of Nephrology and Dialysis, Past Director, Alessandro Manzoni Hospital, ASST Lecco, Lecco, Italy.
Introduction: Hyperphosphatemia in advanced CKD often accompanies high PTH and FGF23 levels, impaired bone mineralization, ectopic calcifications, and increased cardiovascular risks. Novel treatments are now available to lower serum phosphorus effectively. However, safety, tolerability, and patient adherence must be evaluated to determine the best therapeutic option for hyperphosphatemia.
View Article and Find Full Text PDFEvolution of aluminum aminophenolate complexes in the ring-opening polymerization of ε-caprolactone: electronic and amino-chelating effects.
Dalton Trans
January 2025
Department of Medicinal and Applied Chemistry, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan, 80708, Republic of China.
A series of aluminum complexes bearing phenolate (O-Al and O2-Al), biphenolate (OO-Al type), aminophenolate (ON-Al), aminobiphenolate (ONO-Al), bis(phenolato)bis(amine) (NNOO-Al), and Salan (ONNO-Al) type ligands were synthesized. ε-Caprolactone (CL) polymerization using these aluminum complexes as catalysts was investigated. The overall polymerization rates of Al catalysts with different ligands were found to be in the following order ( values): ONBr-Al (0.
View Article and Find Full Text PDFEndemic Dietary Herb Extracts Reduce Acrylamide and Enhance Sensory Characteristics of Potato Chips.
J Food Prot
January 2025
School of Nutrition, Food Science, and Technology, Hawassa University, Hawassa, Ethiopia.
This study evaluated the impact of soaking potato slices in water containing extracts from three endemic herbs, Lippia adoensis var. adoensis (kesse), Lippia adoensis var. koseret (koseret), and Thymus schimperi Ronninger (tosign), on acrylamide content and sensory attributes of fried potato chips.
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