Results 21 to 30 of about 19,110 (124)

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

International 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, Yongmei Chen, Shafiullah Khan, Dandan Kong, Mo Heng Liang, Pingyu Wan, Xin Jin   +6 more
doaj   +1 more source

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

Clinical, 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, Fabiyi OS, Adelakin LA, Ekwerike MC   +3 more
doaj  

The anti-staphylococcal activity (planktonic and biofilm) of Cnestis ferruginea is due to benzoquinone, the oxidation product of hydroquinone

Frontiers in Cellular and Infection Microbiology
IntroductionCnestis ferruginea is used frequently in African traditional medicine for treating infectious diseases. Previous bioassay-guided purification has identified hydroquinone as the major bio-active compound in the aforementioned plant ...
Sujogya Kumar Panda, Sujogya Kumar Panda, Michelle Reynders, Purity N. Kipanga, Walter Luyten   +4 more
doaj   +1 more source

Penentuan Hidrokuinon dalam Sampel Krim Pemutih Wajah secara Voltammetri Menggunakan Screen Printed Carbon Electrode (SPCE)

Jurnal Kimia Valensi, 2015
Hydroquinone in whitening face cream has been banned since 2008, but is still found facial bleaching creams containing hydroquinone. Therefore, in this study have been developed voltammetric method for the determination hydroquinone in face whitening ...
Ani Mulyasuryani, Alfita Savitri
doaj   +1 more source

Amperometric Detection of Hydroquinone at Modified Ionic Liquid Graphene Composite Paste Electrode

International Journal of Electrochemical Science, 2015
The ionic liquid 1-ethyl-3-methylimidazolium bromide (EMIMBr) based graphene composite paste electrode (GrPE) was fabricated and applied for the determination of hydroquinone. By using square wave voltammetry, the electrochemical response of hydroquinone
Hidayahtun Nur Amirah Mustafa, Illyas Md Isa, Noorshida Mohd Ali, Norhayati Hashim, Mazlina Musa, S. Ab Ghani   +5 more
doaj   +1 more source

Vigna radiata as a New Source for Biotransformation of Hydroquinone to Arbutin

Pharmaceutical Sciences, 2016
Background: The suspension culture of Vigna radiata was selected for biotransformation of hydroquinone to its β-D-glucoside form (arbutin) as an important therapeutic and cosmetic compound.
Zahra Tofighi, Mohsen Amini, Mahzad Shirzadi, Hamideh Mirhabibi, Negar Ghazi Saeedi, Narguess Yassa
doaj   +1 more source

Antimicrobial action of α-arbutin, β-arbutin and hydroquinone: truth and fiction

Annals of Mechnikov's Institute
Introduction. The leaves of lingonberry and bearberry are used in medicine for the treatment and prevention of urological infectious diseases due to the presence of diuretic and uroseptic action.
Oleksandr Maslov, Mykola Komisarenko, Svitlana Ponomarenko, Tetyana Osolodchenko, Artem Marchenko, Dmytro Plis, Andrey Komisarenko   +6 more
doaj   +1 more source

Hydroquinone Identification in Whitening Creams Sold at Minimarkets in Minomartini, Yogyakarta

Journal of Agromedicine and Medical Sciences (AMS), 2016
Whitening cream is a cosmetic which is contains chemicals and other materials that can etiolate black (brown) stain on the skin. Hydroquinone is a supplemental ingredient in whitening cream.
Dian Wuri Astuti, Hieronimus Rayi Prasetya, Dina Irsalina   +2 more
doaj  

Simultaneous Detection of Dihydroxybenzene Isomers Using Electrochemically Reduced Graphene Oxide-Carboxylated Carbon Nanotubes/Gold Nanoparticles Nanocomposite

Biosensors, 2021
An electrochemical sensor based on electrochemically reduced graphene oxide (ErGO), carboxylated carbon nanotubes (cMWCNT), and gold nanoparticles (AuNPs) (GCE/ErGO-cMWCNT/AuNPs) was developed for the simultaneous detection of dihidroxybenzen isomers ...
Angélica Domínguez-Aragón, Rocio B. Dominguez, Erasto Armando Zaragoza-Contreras   +2 more
doaj   +1 more source

Nrf2 and HSF-1 Pathway Activation via Hydroquinone-Based Proelectrophilic Small Molecules Is Regulated by Electrochemical Oxidation Potential

ASN Neuro, 2015
Activation of the Kelch-like ECH-associated protein 1/nuclear factor (erythroid-derived 2)-like 2 and heat-shock protein 90/heat-shock factor-1 signal-transduction pathways plays a central role in combatting cellular oxidative damage and related ...
Takumi Satoh, Romain Stalder, Scott R. McKercher, Robert E. Williamson, Gregory P. Roth, Stuart A. Lipton   +5 more
doaj   +1 more source