Results 41 to 50 of about 1,330,976 (322)

Constraining the evolution of Neogene ocean carbonate chemistry using the boron isotope pH proxy

Earth and Planetary Science Letters, 2018
Over the course of the Neogene, the Earth underwent profound climatic shifts from the sustained warmth of the middle Miocene to the development of Plio-Pleistocene glacial–interglacial cycles.
S. Sosdian, R. Greenop, M. Hain, G. Foster, P. Pearson, C. Lear   +5 more
semanticscholar   +1 more source

Phase boundary between Na-Si clathrates of structures I and II at high pressures and high temperatures [PDF]

, 2016
Understanding the covalent clathrate formation is a crucial point for the design of new superhard materials with intrinsic coupling of superhardness and metallic conductivity.
Godec, Yann Le, Guignot, Nicolas, Jouini, Zied, Kurakevych, Oleksandr O., Mezouar, Mohamed, Moutaabbid, Hicham   +5 more
core   +4 more sources

Porous Boron Nitride Materials: Influence of Structure, Chemistry and Stability on the Adsorption of Organics

Frontiers in Chemistry, 2019
Porous boron nitride (BN) is structurally analogous to activated carbon. This material is gaining increasing attention for its potential in a range of adsorption and chemical separation applications, with a number of recent proof-of-concept studies on ...
Sofia Marchesini, Xiyu Wang, C. Petit
semanticscholar   +1 more source

A fully conjugated meso-boron-substituted porphyrinoid combining Lewis acidity with redox-switchable aromaticity

Nature Communications
The structural motif of porphyrin is relevant for many essential biological processes and has emerged as a versatile component of functional materials. Here, we introduce a thiophene-based porphyrinogen having electron-deficient boron atoms in all four ...
Manuel Buckel, Jonas Klopf, Johannes S. Schneider, Artur Lik, Nicolas A. Riensch, Ivo Krummenacher, Holger Braunschweig, Bernd Engels, Holger Helten   +8 more
doaj   +1 more source

Synthesis, Hydrolysis, and Protonation-Promoted Intramolecular Reductive Breakdown of Potential NRTIs: Stavudine α-P-Borano-γ-P-N-l-tryptophanyltriphosphates

Molecules, 2015
Phosphorus-modified prodrugs of dideoxynucleoside triphosphates (ddNTPs) have shown promise as pronucleotide strategies for improving antiviral activity compared to their parent dideoxynucleosides.
Zhihong Xu, Barbara Ramsay Shaw
doaj   +1 more source

Synthesis: Molecular Structure, Thermal-Calorimetric and Computational Analyses, of Three New Amine Borane Adducts

Molecules, 2023
Cyclopropylamine borane C3H5NH2BH3 (C3AB), 2-ethyl-1-hexylamine borane CH3(CH2)3CH(C2H5)CH2NH2BH3 (C2C6AB) and didodecylamine borane (C12H25)2NHBH3 ((C12)2AB) are three new amine borane adducts (ABAs).
Kevin Turani-I-Belloto, Rodica Chiriac, François Toche, Eddy Petit, Pascal G. Yot, Johan G. Alauzun, Umit B. Demirci   +6 more
doaj   +1 more source

Graphite and Hexagonal Boron-Nitride Possess the Same Interlayer Distance. Why?

, 2011
Graphite and hexagonal boron nitride (h-BN) are two prominent members of the family of layered materials possessing a hexagonal lattice. While graphite has non-polar homo-nuclear C-C intra-layer bonds, h-BN presents highly polar B-N bonds resulting in ...
Alem N., Barone V., Baskin Y., Becke A. D., Benedict L. X., Bernal J. D., Björk J., Borwein D., Borwein D., Boys S. F., Buldum A., Carlson A., Castro Neto A. H., Catellani A., Chakarova-Kack S. D., Charlier J.-C., Chu X., Chung D., Cumings J., De Leeuw S. W., Dean C. R., Ding X., Ewald P. P., Ezawa M., Fan Y., Fernandez-Rossier J., Frisch M. J., Fumi F. G., Geim A. K., Ghosh P. N., Giovannetti G., Girifalco L. A., Gorbachev R. V., Green J. F., Han W.-Q., Hanke F., Hariharan P. C., Hasegawa M., Hirshfeld F. L., Hod O., Hod O., Hod O., Iijima S., Jin C., Kern G., Kganyago K. R., Kolmogorov A. N., Kuzuba T., Lebegue S., Lee C., Lennard-Jones J. E., Liu L., Liu Z., Lomer W. M., Lopatin V. V., Marini A., Marom N., Marom N., Marom N., Marom N., Meyer J. C., Mosuang T. E., Muramatsu Y., Natan A., Novoselov K. S., Novoselov K. S., Oded Hod, Onodera T., Onodera T., Ooi N., Ortmann F., Pacile D., Palser A. H. R., Parry D. E., Paszkowicz W., Pease R., Perdew J. P., Qi Y., Ren X., Ribeiro R. M., Rydberg H., Rydberg H., Shemella P., Shi Y., Simon S., Slawinska J., Solozhenko V. L., Song L., Spanu L., Taylor R., Tkatchenko A., Topsakal M., Toukmaji A. Y., Vernov A., Warner J. H., Xue J., Yamamura S., Zacharia R., Zeng H., Zhao Y., Zhao Y., Zhi C., Zobelli A., Zucker I. J., Zunger A.   +104 more
core   +1 more source

Design of a Nanometric AlTi Additive for MgB2-Based Reactive Hydride Composites with Superior Kinetic Properties [PDF]

, 2018
Solid-state hydride compounds are a promising option for efficient and safe hydrogen-storage systems. Lithium reactive hydride composite system 2LiBH4 + MgH2/2LiH + MgB2 (Li-RHC) has been widely investigated owing to its high theoretical hydrogen-storage
Akiba, Etsuo, Castro Riglos, Maria Victoria, Dornheim, Martin, Emmler, Thomas, Gericke, Eike, Gharibdoust, Seyedhosein Payandeh, Hoell, Armin, Jensen, Torben R., Karimi, Fahim, Klassen, Thomas, Krumrey, Michael, Le, Thi-Thu, Milanese, Chiara, Pistidda, Claudio, Puszkiel, Julián Atilio, Richter, Bo, Santoru, Antonio, Skibsted, Jørgen   +17 more
core   +2 more sources

Heterozygous loss‐of‐function alleles associate the conserved 3′‐5′ exoribonuclease EXOSC10 with hypersensitivity to the anticancer drug 5‐fluorouracil

Molecular Oncology, EarlyView.
EXOSC10, an essential nuclear RNA exosome‐associated 3′‐5′ exoribonuclease, is inhibited by the anticancer drug 5‐fluorouracil (5‐FU), and EXOSC10 depletion increases 5‐FU sensitivity. The colon‐cancer variant EXOSC10S402T, located in a proteolysis motif, is stable and nuclear but nonfunctional in vivo.
Radhika Sain, Yann Le Page, Frédéric Percevault, Emmanuelle Becker, Luc Negroni, Almudena Fernandez, Marta Cantero, Diego Muñoz‐Santos, Lluís Montoliu, Cyrille Garnier, Michael Primig   +10 more
wiley   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

Advanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur, Faruk Kaya, Bora Derin, Mustafa Lütfi Öveçoğlu, Ju Li, Duygu Ağaoğulları   +5 more
wiley   +1 more source