Results 121 to 130 of about 39,961 (248)

The Intricate Mechanism of Nitric Oxide Synthase

open access: yesJournal of Computational Chemistry, Volume 47, Issue 17, 30 June 2026.
The mechanism for NO formation by Nitric Oxide Synthase (NOS) has been studied using accurate DFT methods. A long‐range electron transfer from the cofactor H4B leads to formation of H2O2. ABSTRACT The biological formation of NO is performed by nitric oxide synthase.
Per E. M. Siegbahn
wiley   +1 more source

In Silico Identification and Molecular Mechanism of Novel Tyrosinase Inhibitory Peptides Derived from Nacre of Pinctada martensii

open access: yesMarine Drugs
Pearl and nacre powders have been valuable traditional Chinese medicines with whitening properties for thousands of years. We utilized a high-temperature and high-pressure method along with compound enzyme digestion to prepare the enzymatic hydrolysates ...
Fei Li   +7 more
doaj   +1 more source

Artificial Cells: Perspective on Reconstructing Biological Cells and “Out of the Box” Innovations

open access: yesChemBioChem, Volume 27, Issue 12, 26 June 2026.
The first artificial cell was artificial red blood cells (RBCs) (Chang, 1957), RBC is one of the most important cells because our cells, tissues, organs, and whole human being need it for survival. Even more exciting is innovating this to result in artificial cells of unlimited configurations, contents, and applications.
Thomas Ming Swi Chang
wiley   +1 more source

Fluorescence properties of Neurospora tyrosinase. [PDF]

open access: yes, 1982
Some structural properties of Neurospora tyrosinase have been studied by fluorescence spectroscopy. The emission spectra observed for oxy-, deoxy-, met- and apo-tyrosinase and the Co2+-substituted form are indicative of a protein containing buried ...
LERCH K., BELTRAMINI, MARIANO
core  

Tyrosinase-Modified UHMW SELP Polymers as Wet and Underwater Adhesives to Achieve Multi-interface Adhesion

open access: yes
The presence of a hydration layer in humid and underwater environments challenges adhesive–substrate interactions and prevents effective bonding, which has become a significant obstacle to the development of adhesives in the industrial and biomedical ...
Sijia Wang (36816)   +4 more
core   +1 more source

Inhibition of the Water Extract from Toona sinensis toward the Activity of Tyrosinase

open access: yes, 2009
[[abstract]]In living organisms, melanin can be formed by enzymatic reaction of tyrosinase with certain substrates such as L-3,4-dihydroxyphenylalanine (L-dopa) or L-tyrosine.
chiue chuang ming
core  

Copper–oxygen Dynamics in Tyrosinase

open access: yes, 2019
To unveil the activation of dioxygen on the copper centre (Cu2O2core) of tyrosinase, we performed X-ray crystallograpy with active-form tyrosinase at near atomic resolution.
Sachiko Yanagisawa (7138037)   +4 more
core   +1 more source

Antioxidant and tyrosinase inhibitor from Leucaena leucocephala

open access: yes, 2013
The experimental design is divided into two parts: chemical analysis and bioactive assay. One antioxidant lupeol (4) and one inhibition of tyrosinase pheophorbide a methyl ester (7) were identified in Leucaena leucocephala.
Hsing-Tan Li;Syun-Wun Ruan;Jin-Cherng Huang;Hsin-Liang Chen;Chen, Chung-Yi
core  

Development of tyrosinase inhibitors [PDF]

open access: yes, 2016
University of Technology Sydney. Faculty of Science.The primary objective of this project was the drug discovery, synthesis and biological evaluation of a series of tyrosinase inhibitors.
Karanayil Radhakrishnan, Sini
core  

Studies on the regulatory mechanism of the expression of the tyrosinase gene melB of Aspergillus oryzae in solid-state fermentation [PDF]

open access: yes
岩手大学博士(農学)原著論文 Jun Chen, Akio Tonouchi Copper ion (Cu2+) is involved in the transcription of the tyrosinase-encoding melB gene of Aspergillus oryzae in solid-state culture Bioscience, Biotechnology, and Biochemistry, 88 (2), 220-224, 2024doctoral ...
CHEN, Jun, 陳, 俊
core   +1 more source

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