Results 1 to 10 of about 346,901 (203)

Reciprocal Sum Expression for Steady-state Kinetics —Enzyme Reactions and Voltammetry—

Electrochemistry, 2022
Steady-state experiments are often conducted to understand complicated cases in chemistry, since the kinetics does not have a time valuable and allows simple modeling of the reactions.
Yuko YOKOYAMA, Masahiro YAMAMOTO, Kohei MIYAZAKI, Takeshi ABE, Kenji KANO   +4 more
doaj   +1 more source

C(sp3)–heteroatom bond formation by iron-catalyzed soft couplings

Communications Chemistry
Carbon–heteroatom bonds are of great importance due to their prevalence in pharmaceuticals, agrochemicals, materials, and natural products. Despite the effective use of metal-catalyzed cross-coupling reactions between sp2-hybridized organohalides and ...
Julius Semenya, Yuanjie Yang, Hye Joon Lee, Kimberly A. Giannantonio, Rikhil Manduva, Elias Picazo   +5 more
doaj   +1 more source

Efficient 1,4-addition of α-substituted fluoro(phenylsulfonyl)methane derivatives to α,β-unsaturated compounds

Beilstein Journal of Organic Chemistry, 2008
The 1,4-addition of a monofluoromethyl nucleophile to a variety of α,β-unsaturated compounds has been achieved under mild conditions using either phosphines or potassium carbonate at room temperature.
G. K. Surya Prakash, Xiaoming Zhao, Sujith Chacko, Fang Wang, Habiba Vaghoo, George A. Olah   +5 more
doaj   +1 more source

Insights on In Situ Combustion Modeling Based on a Ramped Temperature Oxidation Experiment for Oil Sand Bitumen

Energies, 2023
The ramped temperature oxidation (RTO) test is a screening method used to assess the stability of a reservoir for air-injection Enhanced Oil Recovery (EOR) and to evaluate the oxidation behavior of oil samples.
Lyudmila Khakimova, Evgeny Popov, Alexey Cheremisin   +2 more
doaj   +1 more source

Development and characterization of amino donor-acceptor Stenhouse adducts

Nature Communications
Donor-acceptor Stenhouse adducts (DASAs) are molecular photoswitches spurring wide interest because of their dynamic photophysical properties, complex photoswitching mechanism, and diverse applications.
Cesar A. Reyes, Hye Joon Lee, Connie Karanovic, Elias Picazo   +3 more
doaj   +1 more source

Massive dolomitization driven by MgSO-rich seawater and its effects on thermochemical sulfate reduction, Upper Permian Changxing Formation, northeastern Sichuan, China

Energy Exploration & Exploitation, 2022
Massive dolostones replacing build-ups and containing H2S of thermochemical sulfate reduction (TSR) origin occur in the Upper Permian reef and bank deposits, northeastern Sichuan, China, despite the absence of gypsum or anhydrite deposits, which are ...
Kaikai Li, Chunfang Cai, Xianfeng Tan, Hua Jiang, Junjia Fan   +4 more
doaj   +1 more source

Dynamics of laser-induced cavitation bubble during expansion over sharp-edge geometry submerged in liquid – an inside view by diffuse illumination

Ultrasonics Sonochemistry, 2021
Laser ablation in liquids is growing in popularity for various applications including nanoparticle production, breakdown spectroscopy, and surface functionalization.
Matej Senegačnik, Kohei Kunimoto, Satoshi Yamaguchi, Koki Kimura, Tetsuo Sakka, Peter Gregorčič   +5 more
doaj   +1 more source

Structure-Based Virtual Screening and De Novo Design of PIM1 Inhibitors with Anticancer Activity from Natural Products

Pharmaceuticals, 2021
Background: the proviral insertion site of Moloney murine leukemia (PIM) 1 kinase has served as a therapeutic target for various human cancers due to the enhancement of cell proliferation and the inhibition of apoptosis.
Hwangseo Park, Jinwon Jeon, Kewon Kim, Soyeon Choi, Sungwoo Hong   +4 more
doaj   +1 more source

The Impact of Salt Concentration on the Screening of Surfactant Packages for EOR Applications

Energy Science & Engineering
This study focuses on improving surfactant solubility for enhanced oil recovery (EOR) in high‐temperature, high‐salinity reservoirs, addressing challenges in chemical flooding. Surfactant performance is influenced by wettability, contact angle, capillary
Máté Hartyányi, Roland Nagy, Rebeka Bejczi, László Bartha, Sándor Puskás   +4 more
doaj   +1 more source

Reservoir Properties of Low-Permeable Carbonate Rocks: Experimental Features

Energies, 2020
This paper presents an integrated petrophysical characterization of a representative set of complex carbonate reservoir rock samples with a porosity of less than 3% and permeability of less than 1 mD.
Aliya Mukhametdinova, Andrey Kazak, Tagir Karamov, Natalia Bogdanovich, Maksim Serkin, Sergey Melekhin, Alexey Cheremisin   +6 more
doaj   +1 more source