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Browsing Chemistry by Subject "Research Subject Categories::NATURAL SCIENCES::Chemistry"

Now showing items 1-9 of 9

Catalytic hydroboration by an imido-hydrido complex of Mo(IV)

Khalimon, Andrey; Farha, Philip; Kuzmina, Lyudmila G.; Nikonov, Georgii I. (2011)

The imido-hydrido complex (ArN)Mo(H)(Cl)(PMe3)3 catalyses a variety of hydroboration reactions, including the first example of catalytic addition of HBCat to nitriles to form the bis(borylated) amines RCH2N(BCat)2. The ...
Detection of Paracetamol in Water and Urea in Artificial Urine with Gold Nanoparticle@Al Foil Cost-efficient SERS Substrate

Mukanova, Zhansaya; Gudun, Kristina; Elemessova, Zarina; Khamkhash, Laura; Ralchenko, Ekaterina; Bukasov, Rostislav (Nihon Bunseki Kagakkai, 2018)

We demonstrated that a cost-efficient, easy to prepare, hybrid SERS substrate-gold nanoparticles (AuNPs) on untreated Al foil (AlF) can effectively detect pharmaceuticals, such as paracetamol and clinical biomarkers, like ...
Imido–hydrido complexes of Mo(IV): catalysis and mechanistic aspects of hydroboration reactions

Khalimon, Andrey; Farhaa, Philip M.; Nikonov, Georgii I. (2015)

Imido–hydrido complexes (ArN)Mo(H)(Cl)(PMe3)3 (1) and (ArN)Mo(H)2(PMe3)3 (2) (Ar = 2,6-diisopropylphenyl) catalyse a variety of hydroboration reactions, including the rare examples of addition of HBCat to nitriles to ...
Multiple coupling of silanes with imido complexes of Mo

Khalimon, Andrey; McLeod, Nicolas A.; Ignatov, Stanislav K.; Okhapkin, Andrey I.; Kuzmina, Lyudmila G.; Howardd, Judith A. K.; Nikonov, Georgii I. (2014)

The bis(imido) complexes (tBuNv)2Mo(PMe3)(L) (L = PMe3, C2H4) react with up to three equivalents of silane PhSiH3 to give the imido-bridged disilyl silyl Mo(VI) complex (tBuN){μ-tBuN(SiHPh)2}Mo(H)(SiH2Ph)- (PMe3)2 (3) ...
Nano-Mole Scale Side-Chain Signal Assignment by 1H-Detected Protein Solid-State NMR by Ultra-Fast Magic-Angle Spinning and Stereo-Array Isotope Labeling

Wang, Songlin; Parthasarathy, Sudhakar; Nishiyama, Yusuke; Endo, Yuki; Nemoto, Takahiro; Yamauchi, Kazuo; Asakura, Tetsuo; Takeda, Mitsuhiro; Terauchi, Tsutomu; Kainosho, Masatsune; Ishii, Yoshitaka (Public Library of Science, 2015-04)

We present a general approach in 1H-detected 13C solid-state NMR (SSNMR) for side-chain signal assignments of 10-50 nmol quantities of proteins using a combination of a high magnetic field, ultra-fast magic-angle spinning ...
Photo Lewis acid generators: photorelease of B(C6F5)3 and applications to catalysis

Khalimon, Andrey; Shaw, Bryan K.; Marwitz, Adam J. V.; Piers, Warren E.; Blackwellc, James M.; Parveza, Masood (2015)

A series of molecules capable of releasing of the strong organometallic Lewis acid B(C6F5)3 upon exposure to 254 nm light have been developed. These photo Lewis acid generators (PhLAGs) can now serve as photoinitiators ...
Plum Fruit Development Occurs via Gibberellin±Sensitive and ±Insensitive DELLA Repressors

El-Sharkawy, Islam; Sherif, Sherif; Abdulla, Mahboob; Jayasankar, Subramanian (Plos One, 2017-01-11)

Fruit growth depends on highly coordinated hormonal activities. The phytohormone gibberellin(GA) promotes growth by triggering degradation of the growth-repressing DELLA proteins; however, the extent to which such proteins ...
The p90 Ribosomal S6 Kinase (RSK) Is a Mediator of Smooth Muscle Contractility

Artamonov, Mykhaylo; Momotani, Ko; Utepbergenov, Darkhan; Franke, Aaron; Khromov, Alexander; Derewenda, Zygmunt S.; Somlyo, Avril V. (2013)

In the canonical model of smooth muscle (SM) contraction, the contractile force is generated by phosphorylation of the myosin regulatory light chain (RLC20) by the myosin light chain kinase (MLCK). Moreover, phosphorylation ...
The Unique-5 and -6 Motifs of ZO-1 Regulate Tight Junction Strand Localization and Scaffolding Properties

Fanning, Alan S.; Little, Brent P.; Rahner, Christoph; Utepbergenov, Darkhan; Walther, Zenta; Anderson, James M. (2006)

The proper cellular location and sealing of tight junctions is assumed to depend on scaffolding properties of ZO-1, a member of the MAGUK protein family. ZO-1 contains a conserved SH3-GUK module that is separated by a ...