Results 71 to 80 of about 27,101 (268)

History of hydroquinone

open access: yesIndian Journal of Dermatology, Venereology and Leprology, 2022
Pravin Degambar, Banodkar   +1 more
openaire   +2 more sources

Spatially Configuring RGO Interlayers With PANI/Lignin Nanoparticles Toward High‐Performance Asymmetric Supercapacitors

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A novel PLNPs@RGO electrode, self‐assembled from polyaniline/lignin conjugated mesoporous nanoparticles (PLNPs) and reduced graphene oxide, exhibits excellent capacitance and high energy density in supercapacitors. The high‐performance flexible solid‐state asymmetric supercapacitor (FSAC) plays a critical role in advancing the innovation of next ...
Mengya Sun   +6 more
wiley   +1 more source

Traceable Traceless Delivery Tags

open access: yesHelvetica Chimica Acta, EarlyView.
ABSTRACT This study elaborates on traceless tags for the thiol‐mediated uptake (TMU) of amine‐containing substrates of interest (SOIs). Traceless tags typically contain linkers that can be enzymatically cleaved to trigger the release of SOIs in their native form.
Julia Moreno   +5 more
wiley   +1 more source

Synthesis of polyaniline/TiO2 nanocomposites: effects of acid and aniline concentrations on material properties and photocatalytic performance for sulfamethoxazole degradation

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND This work investigated the synthesis of TiO2‐P25/polyaniline (PANI) nanocomposites, denoted as PANI– TiO2, via chemical oxidative polymerization under different aniline:H+ molar ratios, and evaluated their performance in heterogeneous photocatalysis (HP).
Vanessa Mendonça Mendes Vargas   +3 more
wiley   +1 more source

Hydroquinone Monoacetate

open access: yes, 1936
Alkyl monoesters of hydroquinone and pyrocatechol have not hitherto been prepared. Hydroquinone monoacetate has been obtained by the following series of reactions.
Olcott, H. S.
core  

Tuning the transdermal delivery of hydroquinone upon formulation with novel permeation enhancers [PDF]

open access: yes, 2019
Hydroquinone (HQ) is an anti-hyperpigmentation agent with poor physicochemical stability. HQ formulations are currently elaborated by compounding in local pharmacies.
Gordo, Maria Jose   +17 more
core   +1 more source

Evaluating the efficacy of Terminalia chebula Retz. 5% cream compared to hydroquinone 2% cream in the treatment of melasma [PDF]

open access: yesAvicenna Journal of Phytomedicine
Objective: Melasma is a multifactorial, chronic, acquired skin disorder of hyperpigmentation. Terminalia chebula Retz. (T. chebula) has shown antioxidant, anti-inflammatory and tyrosinase enzyme inhibitory activities.
Amir Emad Kheirieh   +5 more
doaj   +1 more source

Transglucosylation of hydroquinone catalysed by alpha-glucosidase from baker's yeast

open access: yes, 2005
Hydroquinone alpha-isomaltoside and hydroquinone alpha-glucoside were synthesized by transglucosylation in an aqueous system with baker's yeast alpha-glucosidase from hydroquinone and maltose as a glucosyl donor. Only one phenolic group was glucosylated,
Ćirković Veličković, Tanja   +7 more
core   +1 more source

Determination of Hydroquinone in a Square Wave Voltammetry based on Screen Printed Carbon Electrode

open access: yesJournal of Pure and Applied Chemistry Research, 2015
Hydroquinone is a phenolic compound are often used extensively in the cosmetics industry as whitening agent. This compound is very toxic and their use should be monitored.
Alfita Safitri   +2 more
doaj  

A Screen Printed Graphene Based Electrochemical Sensor for Single Drop Analysis of Hydroquinone in Cosmetic Products

open access: yesInternational Journal of Electrochemical Science, 2019
A graphene modified carbon paste sensor (or so-called graphene based sensor) was developed for electrochemical detection of hydroquinone. The sensor was fast fabricated using screen-printing technique.
Wannida Duekhuntod   +4 more
doaj   +1 more source

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