Results 41 to 50 of about 10,346,028 (341)

New Halogen-Containing Drugs Approved by FDA in 2021: An Overview on Their Syntheses and Pharmaceutical Use

open access: yesMolecules, 2022
This review describes the recent Food and Drug Administration (FDA)-approved drugs (in the year 2021) containing at least one halogen atom (covalently bound).
Davide Benedetto Tiz   +5 more
doaj   +1 more source

A Review on Green Synthesis of TiO2 NPs: Photocatalysis and Antimicrobial Applications

open access: yesPolymers, 2022
Nanotechnology is a fast-expanding area with a wide range of applications in science, engineering, health, pharmacy, and other fields. Nanoparticles (NPs) are frequently prepared via a variety of physical and chemical processes. Simpler, sustainable, and
V. Verma   +5 more
semanticscholar   +1 more source

Synthesis of Branch Fluorinated Cationic Surfactant and Surface Properties

open access: yesJournal of Chemistry, 2014
A novel fluorinated quaternary ammonium salt cationic surfactant N,N,N-trimethyl-2-[[4-[[3,4,4,4-tetrafluoro-2-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]-1,3-bis(tri-fluoromethyl)-1-buten-1-yl]oxy]-benzoyl]amino]-iodide (FQAS) was synthesized ...
Hongke Wu   +3 more
doaj   +1 more source

Bioinspired and Green Synthesis of Silver Nanoparticles for Medical Applications: A Green Perspective

open access: yesApplied Biochemistry and Biotechnology, 2023
Silver nanoparticles (AgNPs) possess unmatched chemical, biological, and physical properties that make them unique compounds as antimicrobial, antifungal, antiviral, and anticancer agents.
Fareeha Arshad   +6 more
semanticscholar   +1 more source

Dialkyl Carbonates in the Green Synthesis of Heterocycles [PDF]

open access: yesFrontiers in Chemistry, 2019
This review focuses on the use of dialkyl carbonates (DACs) as green reagents and solvents for the synthesis of several 5- and 6-membered heterocycles including: tetrahydrofuran and furan systems, pyrrolidines, indolines, isoindolines, 1,4-dioxanes, piperidines, and cyclic carbamates.
Pietro Tundo   +3 more
openaire   +5 more sources

Preparation of Silica Aerogel and Its Adsorption Performance to Organic Molecule

open access: yesAdvances in Materials Science and Engineering, 2014
Hydrophobic and lipophilic silica aerogel was prepared from water-glass by gelling, aging, silylation, and drying under atmospheric pressure and characterized by FT-IR and SEM.
Hong-xin Shi   +3 more
doaj   +1 more source

Bismuth-Based Free-Standing Electrodes for Ambient-Condition Ammonia Production in Neutral Media

open access: yesNano-Micro Letters, 2020
Electrocatalytic nitrogen reduction reaction is a carbon-free and energy-saving strategy for efficient synthesis of ammonia under ambient conditions. Here, we report the synthesis of nanosized Bi2O3 particles grown on functionalized exfoliated graphene ...
Ying Sun   +9 more
doaj   +1 more source

Green process for adipic acid synthesis: oxidation by hydrogen peroxide in water micromelusions using Benzalkonium Chloride C12-14 surfactant [PDF]

open access: yes, 2012
Adipic acid was synthesized by the oxidation of cyclohexene using 30% hydrogen peroxide in a microemulsion in the presence of sodium tungstate as catalyst.
Quesada-Peñate, Isariebel   +3 more
core   +1 more source

Rational selection of ketopantoate hydroxymethyltransferase with low product feedback inhibition based on binding free energy calculation analysis

open access: yesApplied and Environmental Microbiology
The microbial production of pantothenic acid (d-PA) is critically limited by feedback inhibition and low activity of the key enzyme ketopantoate hydroxymethyltransferase (KPHMT).
Ken Zheng   +10 more
doaj   +1 more source

A review on the green synthesis of metal (Ag, Cu, and Au) and metal oxide (ZnO, MgO, Co3O4, and TiO2) nanoparticles using plant extracts for developing antimicrobial properties

open access: yesNanoscale Advances
Green synthesis (GS) is a vital method for producing metal nanoparticles with antimicrobial properties. Unlike traditional methods, green synthesis utilizes natural substances, such as plant extracts, microorganisms, etc., to create nanoparticles.
Israt Jahan Lithi   +3 more
semanticscholar   +1 more source

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