Results 31 to 40 of about 612,546 (214)

Excited State Dynamics of 8-Vinyldeoxyguanosine in Aqueous Solution Studied by Time-Resolved Fluorescence Spectroscopy and Quantum Mechanical Calculations

open access: yesMolecules, 2020
The fluorescent base guanine analog, 8-vinyl-deoxyguanosine (8vdG), is studied in solution using a combination of optical spectroscopies, notably femtosecond fluorescence upconversion and quantum chemical calculations, based on time-dependent density ...
Lara Martinez-Fernandez   +3 more
doaj   +1 more source

Solvent Effects in the Preparation of Catalysts Using Activated Carbon as a Carrier

open access: yesNanomaterials, 2023
The role of solvents is crucial in catalyst preparation. With regard to catalysts prepared with activated carbon (AC) as the carrier, when water is used as a solvent it is difficult for the solution to infiltrate the AC.
Zhuang Xu   +8 more
doaj   +1 more source

Solvent-Induced, Highly Unusual, Triangular-Shaped Organic Polar Crystal

open access: yes, 2020
Crystal habit is a key physical attribute that impacts the processing and performance of organic crystalline materials, especially pharmaceuticals and organic electronics.
Jia Xu   +5 more
core   +1 more source

Effect of Solvents on Electrogenerated Base-Driven Transfer Hydrogenation Reactions

open access: yesMolecules
Transfer hydrogenation is a crucial technology for synthesizing fine chemicals and pharmaceuticals, offering improved safety and convenience over traditional hydrogen methods, although it typically requires external bases.
Jing-Wei Zhu   +5 more
doaj   +1 more source

The Crystal Structure and Morphology of 2,4,6,8,10,12-Hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20) p-Xylene Solvate: A Joint Experimental and Simulation Study

open access: yesMolecules, 2014
The crystal structure of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaiso-wurtzitane (CL-20) p-xylene solvate, and the solvent effects on the crystal faces of CL-20 were studied through a combined experimental and theoretical method.
Fanfan Shen   +4 more
doaj   +1 more source

Cellulose Ether/Citric Acid Systems Loaded with SrTiO3 Nanoparticles with Solvent-Tailored Features for Energy-Related Technologies

open access: yesMolecules
This work aimed to advance the knowledge in the field of eco-friendly dielectrics with applicative relevance for future energy-related technologies. New multicomponent composites were prepared by using a cellulose ether/citric acid mixture as the matrix,
Raluca Marinica Albu   +9 more
doaj   +1 more source

Synthesis of eco-friendly ternary sulfide nanocrystals using a new sulfur–decene reagent in hydrocarbons

open access: yesFrontiers in Nanotechnology
A new, highly reactive sulfur precursor was synthesized by dissolving elemental sulfur in 1-decene at an elevated temperature of 170 °C in a pressure tube, enabling the preparation of semiconductor sulfide nanocrystals (NCs) with diverse compositions and
Ivan A. Shuklov   +7 more
doaj   +1 more source

Solvent dependent in situ growth of NixSy supported on nickel foam as electrocatalysts for oxygen evolution reaction

open access: yesInternational Journal of Electrochemical Science, 2016
In situ growth of NixSy on nickel foam (NixSy/NF) has been investigated by hydrothermal or solvothermal process in water, ethanol and their mixture. XRD shows that the obtained NixSy is consisted of Ni3S2 and NiS in the three solvents.
Yong-Ming Chai   +7 more
doaj   +1 more source

Solvent- and Base-Free Oxidation of 5Hydroxymethylfurfural over a PdO/AlPO45 Catalyst under Mild Conditions

open access: yes, 2021
A solvent-free method was proposed to upgrade the biomass-derived compound 5-hydroxymethylfurfural (HMF). The oxidation of HMF to produce 2,5-furandicarboxylic acid (FDCA) has been examined in the presence of O2 without the addition of solvent and base ...
Zhe Wen   +11 more
core   +1 more source

Donor-acceptor substituted phenylethynyltriphenylenes – excited state intramolecular charge transfer, solvatochromic absorption and fluorescence emission

open access: yesBeilstein Journal of Organic Chemistry, 2010
Several 2-(phenylethynyl)triphenylene derivatives bearing electron donor and acceptor substituents on the phenyl rings have been synthesized. The absorption and fluorescence emission properties of these molecules have been studied in solvents of ...
Ritesh Nandy, Sethuraman Sankararaman
doaj   +1 more source

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