Results 21 to 30 of about 19,766 (199)

A Colorimetric Method to Measure the Amount of Hydroquinone in Liposomal Formulations [PDF]

open access: yesTrends in Pharmaceutical Sciences, 2019
A method of determination of concentration of solute depended to its chemical properties, degree of dilution and matrix that takes it. Formulation of liposomal hydroquinone, a drug delivery system, is developed to increase efficacy treatment.
rabea khoshneviszadeh   +2 more
doaj   +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

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

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  

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

open access: yesAdvanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella   +3 more
wiley   +1 more source

A Chemical Framework for Engineering Extracellular Vesicles’ Biointerface to Advance Precision Therapeutics

open access: yesAdvanced Materials, EarlyView.
Extracellular vesicles (EVs) are cell‐derived nanoparticles that mediate intercellular communication through their dynamic biointerfaces. Owing to their intrinsic biological functions, EVs have emerged as promising platforms for biomedical applications.
Leila Pourtalebi Jahromi   +3 more
wiley   +1 more source

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

open access: yesFrontiers 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   +4 more
doaj   +1 more source

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

open access: yesJurnal 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

Supramolecular Assembly of Stepped‐Persistent ROS Nanogenerator for Sustained Tumor Immunotherapy

open access: yesAdvanced Science, EarlyView.
ROS catalytic systems often fail to achieve both effective tumor elimination and persistent immune activation due to their monotonous ROS production profiles. A stepped‐persistent ROS nanogenerator was developed by supramolecularly assembling multiple ROS generation modules within a nanofiber structure to simultaneously extend ROS generation duration ...
Zhenqiang Wang   +10 more
wiley   +1 more source

Wearable Electro‐Thermal Haptic Stimulator Driven by a Self‐Powered Tactile Sensor for Realistic Stimulus Replication

open access: yesAdvanced Science, EarlyView.
We present a stimulus‐replicating system combining a tactile sensor with a wearable Peltier thermotactile module and concentric electrotactile electrode. Signals encoding pressure and temperature drive the stimulators to reproduce mechano‐thermal cues on the skin. AlN/PDMS encapsulation and SA/LA PSA ensure mechanical compliance and thermal efficiency.
Ey‐In Lee   +4 more
wiley   +1 more source

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