Results 21 to 30 of about 399,478 (284)

Outpacing conventional nicotinamide hydrogenation catalysis by a strongly communicating heterodinuclear photocatalyst

Nature Communications, 2022
Although multinuclear, supramolecular photocatalysts show promise in their ability to separate the processes required for lightdriven energy production into light absorption, charge separation and fuel production by individual parts of the molecule ...
Linda Zedler, Pascal Wintergerst, Alexander K. Mengele, Carolin Müller, Chunyu Li, Benjamin Dietzek-Ivanšić, Sven Rau   +6 more
doaj   +1 more source

Electro-, thermo-, and photocatalysis of versatile nanocomposites toward tandem process

iScience
Summary: Tandem reactions involve multi-step processes conducted in one pot, offering a cost-effective, environmentally friendly, and efficient approach to chemical transformations with high atom economy.
Weikang Wang, Jialun He, Juan Deng, Xiao Chen, Chao Yu   +4 more
doaj   +1 more source

Towards ideal topological materials: Comprehensive database searches using symmetry indicators

, 2019
Topological materials (TMs) showcase intriguing physical properties defying expectations based on conventional materials, and hold promise for the development of devices with new functionalities.
Po, Hoi Chun, Tang, Feng, Vishwanath, Ashvin, Wan, Xiangang   +3 more
core   +1 more source

Modelling the Inorganic Bromine Partitioning in the Tropical Tropopause over the Pacific Ocean [PDF]

, 2016
The stratospheric inorganic bromine burden (Bry) arising from the degradation of brominated very short-lived organic substances (VSL org ), and its partitioning between reactive and reservoir species, is needed for a comprehensive assessment of the ozone
Atlas, Elliot, Cuevas, Carlos Alberto, Elkins, James W., Fernandez, Rafael Pedro, Hintsa, Eric J., Kinnison, Douglas E., Lamarque, Jean Francois, Moore, Fred L., Navarro, María A., Rodriguez Lloeveras, Xavier, Rollins, Andrew, Saiz-lopez, Alfonso, Thornberry, Troy, Tilmes, Simone   +13 more
core   +1 more source

Reducing ZnO nanoparticles toxicity through silica coating

Heliyon, 2016
ZnO NPs have good antimicrobial activity that can be utilized as agents to prevent harmful microorganism growth in food. However, the use of ZnO NPs as food additive is limited by the perceived high toxicity of ZnO NPs in many earlier toxicity studies ...
Sing Ling Chia, David Tai Leong
doaj   +1 more source

Materials Discovery of Stable and Nontoxic Halide Perovskite Materials for High-Efficiency Solar Cells

, 2019
Two critical limitations of organic-inorganic lead halide perovskite materials for solar cells are their poor stability in humid environments and inclusion of toxic lead.
Jacobs, Ryan, Luo, Guangfu, Morgan, Dane
core   +2 more sources

Synthesis and surface characterization of new triplex polymer of Ag(I) and mixture nucleosides: cytidine and 8-bromoguanosine

Heliyon, 2019
In this work one-dimensional (1D) triplex polymer of silver (I): mixture nucleosides of cytidine and 8-bromoguanosine was synthesised. The polymer showed high stability due to the presence Ag(I) ions in the structure of the polymer in addition to the ...
Lamia L.G. Al-mahamad
doaj   +1 more source

Parahydrogen-induced polarization enables the single-scan NMR detection of a 236 kDa biopolymer at nanomolar concentrations

Scientific Reports, 2023
Nuclear magnetic resonance (NMR) experiments utilizing parahydrogen-induced polarization (PHIP) were performed to elucidate the PHIP activity of the synthetic 236 kDa biopolymer poly-γ-(4-propargyloxy)-benzyl-L-glutamate) (PPOBLG).
Franziska Theiss, Laura Wienands, Jonas Lins, Marcel Alcaraz-Janßen, Christina M. Thiele, Gerd Buntkowsky   +5 more
doaj   +1 more source

Development and tailoring of amino-functionalized activated carbon based Cucumerupsi manni Naudin seed shells for the removal of nitrate ions from aqueous solution

Journal of Saudi Chemical Society, 2021
The removal of nitrate ions with ethylenediamine (EDA)-functionalized activated carbon (AC-NH2) was studied in this work. Activated carbon prepared from Cucumerupsi manni Naudin seed shells using ZnCl2 (ACZ) was functionalized with EDA via a nitric acid ...
Rene Blaise Ngouateu Lekene, Daouda Kouotou, Naphtali Odogu Ankoro, Adolphe Paul-Michel Sone Kouoh, Juluis Nsami Ndi, Joseph Mbadcam Ketcha   +5 more
doaj   +1 more source

The chemical state of complex uranium oxides

, 2013
We report here the first direct observation of U(V) in uranium binary oxides and analyze the gradual conversion of the U oxidation state in the mixed uranium systems.
Butorin, S. M., Glatzel, P., Kvashnina, K. O., Martin, P.   +3 more
core   +1 more source