Results 91 to 100 of about 19,118 (230)

Endothelium‐ and epithelium‐derived novel endogenous catecholamines as modulators of the autonomic nervous system

British Journal of Pharmacology, Volume 183, Issue 15, Page 4091-4110, August 2026.
Abstract Catecholamines are classically viewed as neuronal transmitters and adrenal hormones; however, accumulating evidence demonstrates that sources other than nerve fibres and adrenal medulla play a fundamental role in local organ regulation. Physiological paradoxes, such as preserved organ function after denervation or transplantation, challenge a ...
Mariana G. de Oliveira, Edson Antunes, Fabiola Zakia Monica, Gilberto De Nucci   +3 more
wiley   +1 more source

Purification and Biochemical Characterization of Polyphenol Oxidase Extracted from Wheat Bran (Wan grano)

Molecules
Currently, little is known about the characteristics of polyphenol oxidase from wheat bran, which is closely linked to the browning of wheat product. The wheat PPO was purified by ammonium sulfate precipitation, DEAE-Sepharose ion-exchange column, and ...
Kun Yu, Wei He, Xiaoli Ma, Qi Zhang, Chunxu Chen, Peiyan Li, Di Wu   +6 more
doaj   +1 more source

New copper(II) μ-alkoxo-μ-carboxylato double-bridged complexes as models for the active site of catechol oxidase: synthesis, spectral characterization and DFT calculations. [PDF]

Heliyon, 2022
Patel AK, Patel N, Patel RN, Jadeja RN.
europepmc   +1 more source

Ligand‐Level Chemical Activation: Coordination with Benefits

European Journal of Inorganic Chemistry, Volume 29, Issue 19, 2 July 2026.
While often perceived as a liability, ligand‐based reactivity in carefully designed settings becomes a powerful synthetic tool. The key to streamlined processes overriding classical ionic reactivity is the selective electron redistribution induced by metal coordination. This enables storage of electrons and protons or incorporation of functional groups
Oscar Charpentier, Agnideep Das, Marine Desage‐El Murr   +2 more
wiley   +1 more source

Importance of C–H⋯π interactions in stabilizing the syn/anti arrangement of pendant alkoxy side arms in two manganese(iv) Schiff base complexes: exploration of catechol oxidase and phenoxazinone synthase like activities

, 2017
Two manganese(iv) complexes have been prepared and characterized. Both complexes exhibit catechol oxidase and phenoxazinone synthase like activities.
Antonio Frontera, Klaus Harms, Nandita Sarkar, Shouvik Chattopadhyay   +3 more
core   +1 more source

Schiff-Base Chemistry-Coupled Catechol Oxidase-Like Nanozyme Reaction as a Universal Sensing Mode for Ultrasensitive Biosensing

, 2023
Expanding sensing modes and improving catalytic performance of nanozyme-based analytical chemistry are beneficial to realizing the desired biosensing of analytes.
Sijie Liu, Shaochi Wang (7313249), Daohong Zhang (1746094), Lunjie Huang, Jing Sun, Peng Zhao, Yizhong Shen (4255528), Conghui Jia (10912087), Jing Sun (141206), Peng Wang, Conghui Jia, Mingqiang Zhu, Peng Zhao (128233), Lunjie Huang (4408393), Sijie Liu (123139), Jianlong Wang, Yizhong Shen, Peng Wang (34436), Xiang Gao, Mingqiang Zhu (1530739), Daohong Zhang, Xiang Gao (4077), Shaochi Wang, Yuechun Li (8889641), Jianlong Wang (438075), Yuechun Li   +25 more
core   +1 more source

Biomimetic Polymerization of Tellurocysteine: Breaking the Natural Amino Acid Radioprotection Limitation

Advanced Science, Volume 13, Issue 37, 3 July 2026.
Inspired by natural amino acid polymer‐melanin systems, this study strategically incorporated tellurocysteine to develop advanced radiation‐shielding materials. This approach transformed the primary interaction mechanism between melanin‐based materials and incident photons from Compton scattering to the photoelectric effect. Tellurocysteine‐polymerized
Wei Chen, Hanjie Zhu, Yue Zhang, Yuqing Qiao, Ruotong Deng, Huaping Xu, Wei Cao   +6 more
wiley   +1 more source

Síntese, caracterização e estudo da reatividade de complexos mononucleares de cobre(II) como sistemas modelos para hidrolases/nucleases e catecolases [PDF]

, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2011Ligantes triaminas cíclicas, tais como o 1,4-diazepan-6-amina (daza), conseguem ...
Westrup, Kátia Cristina Molgero
core  

Spectroscopic, Electrochemical, Catechol oxidase and catalaselike Activities of New Copper(II) Tweezers of Benzimidazole Incorporating Amino Acid Moieties

International Journal of Electrochemical Science, 2014
Two mixed ligand complexes, viz., [Cu(BzOH)(Gly)]ClO4 1 and [Cu(BzOH)(Glu)]ClO4 2, where BzOH = 1-benzimidazolylethanol, Gly = Glycine, and Glu = L-glutamic acid were synthesized Their structures and properties were characterized by elemental analysis ...
Mohamed M. Ibrahim, Gaber A.M. Mersal, Abdel-Motaleb M. Ramadan, Samir A. El-Shazly, Mahmoud A. Amin   +4 more
doaj   +1 more source

A Cu-bis(imidazole) Substrate Intermediate Is the Catalytically Competent Center for Catechol Oxidase Activity of Copper Amyloid-β. [PDF]

Inorg Chem, 2021
Bacchella C, Dell'Acqua S, Nicolis S, Monzani E, Casella L.   +4 more
europepmc   +1 more source