Results 41 to 50 of about 1,012,476 (308)

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

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

Green Synthesis, Characterization and Antibacterial Studies of Silver (Ag) and Zinc Oxide (Zno) Nanoparticles

open access: yes, 2020
Green synthesis nanoparticles were considered as an alternative effective resource instead of chemically engineered metal oxide nanoparticles. Using leaf extracts for green synthesis, essential for the reduction and oxidation process of the metals ...
R. Alamelu   +3 more
core   +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

Bioremediation of Hazardous Wastes Using Green Synthesis of Nanoparticles

open access: yes, 2023
Advanced agronomic methods, urbanisation, and industrial expansion contaminate air, water and soil, globally. Agricultural and industrial activities threaten living biota, causing biodiversity loss and serious diseases.
Marina Burachevskaya   +6 more
core   +1 more source

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

Study on Method and Mechanism of Noble Metals Photoelectric Deposition by Directly Utilizing Solar Energy

open access: yesAdvanced Energy & Sustainability Research, 2023
The recovery of noble metals is crucial in terms of resource utilization and ecological environment. Herein, a green strategy for the recovery of three noble metals, Au, Ag, and Pt, by photoelectric deposition at the cathode without external voltage is ...
Yuewen Li   +8 more
doaj   +1 more source

Dialkyl carbonates: scale-up synthesis and application as green solvents for PVDF membranes preparation [PDF]

open access: yes, 2023
Dialkyl carbonates (DACs) are well-known green solvents and reagents that have been extensively investigated as safe alternatives to chlorine-based compounds.
Giacomo Trapasso   +11 more
core  

Off-gas detection and treatment for green air-plasma process

open access: yes, 2022
Thermal plasma is a promising technology widely used in materials processing and waste treatment due to its unique properties including high temperature, high energy density, high chemical activity, and high quench rate. Air-plasma is preferentially used
Yuan, Fangli   +4 more
core   +1 more source

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