Results 41 to 50 of about 27,390 (224)

1-Benzoyl-3-(5-quinolyl)thiourea

open access: yesActa Crystallographica Section E, 2009
The title compound, C17H13N3OS, was obtained by the reaction of benzoyl chloride, ammonium thiocyanate and 5-aminoquinoline in the presence of polyethyleneglycol-400 (PEG-400) as a phase-transfer catalyst.
Wei-Feng Wang, Chang-Mei Wei, Wen-Hu Du
doaj   +1 more source

Structural Evidence for a Copper-Bound Carbonate Intermediate in the Peroxidase and Dismutase Activities of Superoxide Dismutase [PDF]

open access: yes, 2012
Copper-zinc superoxide dismutase (SOD) is of fundamental importance to our understanding of oxidative damage. Its primary function is catalysing the dismutation of superoxide to O2 and H2O2. SOD also reacts with H2O2, leading to the formation of a strong
Luis Eduardo Soares Netto   +4 more
core   +3 more sources

1D/3D Heterojunction for High‐Efficiency Hole‐Transport Layer‐Free Carbon‐Based Wide‐Bandgap Perovskite Solar Cells

open access: yesCarbon Energy, EarlyView.
By modifying wide‐bandgap high‐Cs perovskite surfaces with quaternary ammonium salts of varying alkyl‐chain lengths, tetrapropylammonium bromide (TPABr) is shown to successfully construct a 1D/3D heterojunction. This structure effectively passivates interface defects and optimizes energy level alignment, achieving a champion efficiency of 20.14% with ...
Lingcong Li   +9 more
wiley   +1 more source

Bis(2-{[2-(isopropylazaniumyl)ethyl]iminomethyl}-6-methoxyphenolato)copper(II) bis(thiocyanate)

open access: yesActa Crystallographica Section E, 2011
The asymmetric unit of the title compound, [Cu(C13H20N2O2)2](NCS)2, contains one half-dication, located on an inversion center, and one thiocyanate anion.
Lin Yuan
doaj   +1 more source

Synthesis some of heterocyclic compounds derived from thymol [PDF]

open access: yesمجلة التربية والعلم, 2018
A series of some hydrazones derivatives (3-7) have been synthesized from the reaction of hydrazide (2) with substituted benzaldehyde. While oxazridine derivatives (8-12) were synthesized by oxidation with hydrazones derivatives (3-7) with m-chloro per ...
Linda R. Butti
doaj   +1 more source

Nondestructive spot test method for magnesium and magnesium alloys [PDF]

open access: yes, 1973
A method for spot test identification of magnesium and various magnesium alloys commonly used in aerospace applications is described. The spot test identification involves color codes obtained when several drops of 3 M hydrochloric acid are placed on the
Wilson, M. L.
core   +1 more source

Adjuvant requirement for successful immunization with recombinant derivatives of Plasmodium vivax merozoite surface protein-1 delivered via the intranasal route [PDF]

open access: yes, 2007
Recently, we generated two bacterial recombinant proteins expressing 89 amino acids of the C-terminal domain of the Plasmodium vivax merozoite surface protein-1 and the hexa-histidine tag (His6MSP1(19)).
Bargieri, Daniel Y.   +5 more
core   +4 more sources

Thermodynamic Studies on Phase Transitions of Potassium Thiocyanate and Ammonium Thiocyanate Crystals [PDF]

open access: yesBulletin of the Chemical Society of Japan, 1979
Abstract Heat capacities of KSCN and NH4SCN crystals were measured by adiabatic calorimetry in the temperature range between 13 K and the melting points. Molar volume of NH4SCN was also determined above room temperature. Entropy change for the II-I transition of KSCN (414.54 K, essentially higher order but accompanied with the first ...
Yoshio Kinsho   +3 more
openaire   +1 more source

Synergistic‐Induced Perovskite Phase Distribution and Lattice Stabilization for Efficient and Stable Sky‐Blue PeLEDs

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
We have developed a multifunctional buried‐interface engineering strategy using phenethylammonium thiocyanate to regulate quasi‐2D perovskite crystallization and stabilize the lattice. The synergistic effects of SCN− and PEA+ steric confinement promote phase redistribution toward n = 2, suppressing interfacial defects and enabling the production of ...
He Dong   +11 more
wiley   +1 more source

Study of the reaction between ammonium thiocyanate and Fe (II) or Fe (III) using infrared spectroscopy: an experiment of prebiotic chemistry

open access: yesSemina: Ciências Exatas e Tecnológicas, 2010
The prebiotic chemistry studies the reactions that could be played an important role on origins of life on Earth. However, these reactions should be carried out under conditions that existed on the prebiotic Earth.
Dimas Augusto Morozin Zaia   +3 more
doaj  

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