Results 1 to 10 of about 46,076 (249)

Synthesis of 14H-dibenzoxanthenes in green media using Sn(II)/nano silica as an efficient catalyst

open access: yesFrontiers in Chemistry, 2022
In this project, Sn(II)/nano silica has been prepared using a simple deposition of SnCl2.2.H2O on nano-silica. The prepared catalyst has been used as a green and reusable catalyst for synthesis of 14H-dibenzoxanthenes through a one-pot condensation ...
Hossein Tavakol, Mahdieh Firouzi
doaj   +1 more source

Simultaneous Detection of Naphthol Isomers with a 3D-Graphene-Nanostructure-Based Electrochemical Microsensor

open access: yesChemosensors, 2023
Naphthol is a widely used chemical and medical detection biomarker, but it is harmful to human health and the environment. Therefore, a highly sensitive detection method for naphthol is urgently required.
Jiaci Shi   +6 more
doaj   +1 more source

Banana Trunk Fibers (BF) Immobilized in Chitosan (CS) Natural Composites (BF-i-CS), and Its Application in Controlled-Release of Pesticides

open access: yesJournal of Natural Fibers, 2021
Novel green natural composites comprising of BF immobilized in CS (BF-i-CS) were prepared and characterized by means of Fourier Transform Infrared Spectroscopy (FT-IR), Thermogravimetric Analysis (TGA) and Scanning Electron Microscopy (SEM).
Muhammad Rahim   +1 more
doaj   +1 more source

Efficacy of Trichoderma fungal species in the removal of α-naphthol from potato dextrose agar media [PDF]

open access: yesJournal of Advances in Environmental Health Research, 2019
Alpha-naphthol is a two-ring aromatic hydrocarbon with toxic and mutagenic properties. Bioremediation technology is considered to be an efficient, economical, and environmentally friendly approach to the remediation of the sites contaminated with ...
Fariba Mohsenzadeh, Akram Ranjbar
doaj   +1 more source

Chronic Exposure to Low-Molecular-Weight Polycyclic Aromatic Hydrocarbons Promotes Lipid Accumulation and Metabolic Inflammation

open access: yesBiomolecules, 2023
2-naphthol is a low-molecular-weight (LMW) polycyclic aromatic hydrocarbon (PAH) and air pollutant associated with childhood obesity. There has been a recent emergence of studies on the consequences of PAHs on human health.
Asia Bright   +4 more
doaj   +1 more source

Removal of 1-naphthol from Water via Photocatalytic Degradation Over N,S-TiO2/ Silica Sulfuric Acid under visible Light [PDF]

open access: yesJournal of Advances in Environmental Health Research, 2022
Background: Naphthol, one of the naphthalene derivatives, is the most significant industrial chemical. It is widely used in the biochemical processes, production of dyes, and pharmaceutical industries.Methods: In the present study, N, S-doped TiO2 thin ...
Farhad Mahmoodi   +3 more
doaj   +1 more source

Theoretical study on thermal decomposition mechanism of 1-nitroso-2-naphthol

open access: yesScientific Reports, 2022
1-nitroso-2-naphthol has thermal instability of thermal decomposition, spontaneous combustion and even explosion. Its thermal decomposition characteristics were tested by synchronous thermal analyzer (TGA/DSC); The activation energy of the thermal ...
Xiaohua Fan   +3 more
doaj   +1 more source

A novel RP-HPLC method for quantification of cholinesterase activity in human blood: An application for assessing organophosphate and carbamate insecticide exposure.

open access: yesPLoS ONE, 2022
Several methods have been reported to estimate Acetylcholinesterase (AChE) enzyme activity in blood samples. The Ellman assay is the most important among all but with several shortcomings, and there is a need to develop a method which is accurate ...
Sukesh Narayan Sinha   +4 more
doaj   +1 more source

Modeling Enzymes Inhibition During Microparticles Formation

open access: yesNonlinear Analysis, 2003
A mathematical model of enzymes inhibition during microparticles formation has been developed. The model is based on radial substrate diffusion through diffusion layer that surrounds microparticle.
J. Kulys
doaj   +1 more source

Synthesis of novel azo compounds containing 5(4H)-oxazolone ring as potent tyrosinase inhibitors [PDF]

open access: yes, 2013
Six new azo dyes containing of 5(4H)-oxazolone ring were prepared by diazotization of 4-aminohippuric acid and coupling with N,N-dimethylaniline, 1-naphthol and 2-naphthol and condensation with 4-fluoro benzaldehyde or 4-trifluoromethoxy benzaldehyde ...
Abbasalipour, V.   +5 more
core   +1 more source

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