Results 61 to 70 of about 5,472 (205)

Bridged [2.2.1] bicyclic phosphine oxide facilitates catalytic γ-umpolung addition-Wittig olefination. [PDF]

open access: yes, 2018
A novel bridged [2.2.1] bicyclic phosphine oxide, devised to circumvent the waste generation and burdens of purification that are typical of reactions driven by the generation of phosphine oxides, has been prepared in three steps from commercially ...
Cai, Lingchao   +4 more
core   +1 more source

Black Cumin Seed (Nigella sativa) Confers Anti‐Adipogenic Effects in 3T3‐L1 Cellular Model and Lipid‐Lowering Properties in Human Subjects

open access: yesFood Science &Nutrition, Volume 13, Issue 9, September 2025.
Black cumin seed extract (BSE) reduced lipid accumulation of 3T3‐L1 preadipocytes without cytotoxicity. BSE downregulated the gene expression of key adipogenic transcription factors, including C/EBPα, C/EBPβ, and PPARγ. Black cumin seed exhibited significant reductions in serum TC, TG, and LDL‐C levels in humans.
Shamima Ahmed   +7 more
wiley   +1 more source

Improved High-Order Masked Generation of Masking Vector and Rejection Sampling in Dilithium

open access: yesTransactions on Cryptographic Hardware and Embedded Systems
for Dilithium, the post-quantum signature scheme recently standardized by NIST. We improve the masked generation of the masking vector y, based on a fast Booleanto- arithmetic conversion modulo q.
Jean-Sébastien Coron   +4 more
doaj   +1 more source

Discovering new arene-catalyzed lithiations [PDF]

open access: yes, 2010
La litiació catalitzada per hidrocarburs aromàtics és una metodologia útil i versàtil que promou els processos de litiació en condicions de reacció molt suaus.
Yus, Miguel
core  

Does Media Affect Learning: Where Are We Now? [PDF]

open access: yes, 2005
It is time to extinguish the argument as to whether or not the media of 1983 could, should or would affect learning outcomes. The technological advances that have occurred in the 20 years since Clark sparked the debate and Kozma fanned the flames have ...
D. Tyack   +17 more
core   +2 more sources

Hardware Security in the Connected World

open access: yesWIREs Data Mining and Knowledge Discovery, Volume 15, Issue 3, September 2025.
Depicts the components covered in the article. ABSTRACT The rapid proliferation of the Internet of Things (IoT) has integrated billions of smart devices into our daily lives, generating and exchanging vast amounts of critical data. While this connectivity offers significant benefits, it also introduces numerous security vulnerabilities.
Durba Chatterjee   +4 more
wiley   +1 more source

Dinuclear dialkoxo-bridged cyclopentadienylsiloxo titanium complexes [PDF]

open access: yes, 2009
The dinuclear dialkoxo-bridged complexes [(TiCl)2(μ-O2L)(μ-{(η5-C5Me4SiMeO)2(μ-O)})] (O2L = 1,2-O2C2H41a, 1,2-O2C6H41b, 1,2-(OCH2)2C6H41c, O2SiPh21d) were obtained by reaction of [(TiCl2)2(μ-{(η5-C5Me4SiMeO)2(μ-O)})] (A) with the corresponding dilithium ...
González Mosquera, Marta Elena   +3 more
core   +3 more sources

Optimizing Crystals-Dilithium implementation in 16-bit MSP430 environment utilizing hardware multiplier

open access: yesICT Express
Dilithium was selected as one of NIST standard Post Quantum Digital Signature algorithms and is undergoing standardization as a Module Lattice Digital Signature Algorithm (ML-DSA).
DongHyun Shin   +2 more
doaj   +1 more source

Pentapotassium praseodymium(III) dilithium decafluoride, K5PrLi2F10

open access: yesActa Crystallographica Section E, 2009
The crystal structure of K5PrLi2F10 is isotypic with those of other K5RELi2F10 compounds (RE = Eu, Nd). The lanthanoid ions are isolated in K5PrLi2F10, with a mean separation between the Pr ions of 7.356 Å.
Anna Gagor
doaj   +1 more source

Complex examination of the Upper Paleozoic siliciclastic rocks from southern Transdanubia, SW Hungary—Mineralogical, petrographic, and geochemical study [PDF]

open access: yes, 2007
A vertical section of Upper Paleozoic sandstones from southern Transdanubia (Mecsek-Villány area, Tisza mega-unit, Hungary) has been analyzed for major and trace elements, including rare earth elements (REEs).
Á   +35 more
core   +1 more source

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