Results 31 to 40 of about 51,626 (253)

Synthesis and characterisation of ruthenium complexes containing a pendent catechol ring [PDF]

open access: yes, 2004
A series of [Ru(bipy)₂L]⁺ and [Ru(phen)₂L]⁺ complexes where L is 2-[5-(3,4-dimethoxyphenyl)-4H-1,2,4-triazol-3-yl]pyridine (HL1) and 4-(5-pyridin-2-yl-4H-1,2,4-triazol-3-yl)benzene-1,2-diol (HL2) are reported.
Adrian L. Guckian   +58 more
core   +1 more source

Using Poly-L-Histidine Modified Glassy Carbon Electrode to Trace Hydroquinone in the Sewage Water

open access: yesInternational Journal of Electrochemistry, 2014
A sensitive voltammetric method for trace measurements of hydroquinone in the sewage water is described. The poly-L-histidine is prepared to modify the glassy carbon electrode in order to improve the electrochemical catalysis of interesting substances ...
Bin Wang, Jun Steed Huang
doaj   +1 more source

Does Koopmans\u27 Paradigm for 1-Electron Oxidation Always Hold? Breakdown of IP/Eox Relationship for p-Hydroquinone Ethers and the Role of Methoxy Group Rotation [PDF]

open access: yes, 2015
Koopmans’ paradigm states that electron loss occurs from HOMO, thus forming the basis for the observed linear relationships between HOMO/IP, HOMO/Eox, and IP/Eox.
Boddeda, Anitha   +3 more
core   +3 more sources

Virtual Screening of Selected Natural Products as Human Tyrosinase-Related Protein 1 Blockers

open access: yesJournal of Nigerian Society of Physical Sciences, 2021
Many researchers have widely explored the need to replace the harmful compound hydroquinone in skin-lightening creams with more skin-friendly compounds that can give similar results.
Chidi Duru   +2 more
doaj   +1 more source

New developments in the synthesis of emicoron [PDF]

open access: yes, 2018
This paper reports on the modification of two synthetic steps in the usual protocol used for obtaining EMICORON. EMICORON is a benzo[ghi]perylen-diimide, which was synthesized for the first time in our laboratory in 2012, and has shown to have in vivo ...
Bianco, Armandodoriano   +5 more
core   +1 more source

Leukemia-related chromosomal loss detected in hematopoietic progenitor cells of benzene-exposed workers. [PDF]

open access: yes, 2012
Benzene exposure causes acute myeloid leukemia and hematotoxicity, shown as suppression of mature blood and myeloid progenitor cell numbers. As the leukemia-related aneuploidies monosomy 7 and trisomy 8 previously had been detected in the mature ...
Guo, W   +14 more
core   +1 more source

Electrochemical Initiation of Nucleophilic Substitution of Hydroquinone with 4, 6-Dimethylpyrimidine-2-thiol

open access: yesInternational Journal of Electrochemical Science, 2014
The electrochemical synthesis of (2,6-bis(4,6-dimethylpyrimidin-2-ylthio)benzene-1,4-diol(6a),3,5-bis (4,6-dimethylpyrimidin-2-ylthio)-2-methylbenzene-1,4-diol (6b), and 3,5-bis (4,6-dimethylpyrimidin- 2-ylthio)-2-methoxybenzene-1,4-diol (6c) by anodic ...
Zia Ul Haq Khan   +6 more
doaj   +1 more source

Effects of Skin Lightening Cream Agents – Hydroquinone and Kojic Acid, on the Skin of Adult Female Experimental Rats

open access: yesClinical, Cosmetic and Investigational Dermatology, 2020
Joshua Oladele Owolabi,1,2 Oluseyi Sunday Fabiyi,1 Lola Adeola Adelakin,1 Miriammillicent Chinenyenwa Ekwerike1 1Department of Anatomy, Ben Carson School of Medicine, Babcock University, Ilishan-Remo, Nigeria; 2Department of Anatomy, University of Global
Owolabi JO   +3 more
doaj  

Modified diatomites for Fenton-like oxidation of phenol [PDF]

open access: yes, 2016
Raw diatomites were modified by acid or base treatments; addition of Fe or Cu species through the incipient wet impregnation method (IWI) and calcination at 700 °C.
Font, J.   +5 more
core   +1 more source

Machine Learning Accelerates Crystallization for Structure Determination

open access: yesAngewandte Chemie, EarlyView.
Single‐crystal x‐ray diffraction (SCXRD) is often constrained by the difficulty of obtaining suitable crystals. Here, a machine learning‐accelerated co‐crystal discovery workflow is established for a crystalline mate strategy that achieves over 95% prediction accuracy and experimentally delivers 114 co‐crystals from 120 candidates.
Cui‐Zhou Luan   +10 more
wiley   +2 more sources

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