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Showing 13 to 24 of 588 entries
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Patchy micelles based on coassembly of block copolymer chains and block copolymer brushes on silica particles.

Langmuir : the ACS journal of surfaces and colloids

Zhu S, Li ZW, Zhao H.
PMID: 25811763
Langmuir. 2015 Apr 14;31(14):4129-36. doi: 10.1021/acs.langmuir.5b00526. Epub 2015 Apr 01.

Patchy particles are a type of colloidal particles with one or more well-defined patches on the surfaces. The patchy particles with multiple compositions and functionalities have found wide applications from the fundamental studies to practical uses. In this research...

Transfer-Free Growth of Atomically Thin Transition Metal Disulfides Using a Solution Precursor by a Laser Irradiation Process and Their Application in Low-Power Photodetectors.

Nano letters

Huang CC, Medina H, Chen YZ, Su TY, Li JG, Chen CW, Yen YT, Wang ZM, Chueh YL.
PMID: 26906714
Nano Lett. 2016 Apr 13;16(4):2463-70. doi: 10.1021/acs.nanolett.6b00033. Epub 2016 Mar 21.

Although chemical vapor deposition is the most common method to synthesize transition metal dichalcogenides (TMDs), several obstacles, such as the high annealing temperature restricting the substrates used in the process and the required transfer causing the formation of wrinkles...

Redox regulation by reversible protein S-thiolation in bacteria.

Frontiers in microbiology

Loi VV, Rossius M, Antelmann H.
PMID: 25852656
Front Microbiol. 2015 Mar 16;6:187. doi: 10.3389/fmicb.2015.00187. eCollection 2015.

Low molecular weight (LMW) thiols function as thiol-redox buffers to maintain the reduced state of the cytoplasm. The best studied LMW thiol is the tripeptide glutathione (GSH) present in all eukaryotes and Gram-negative bacteria. Firmicutes bacteria, including Bacillus and...

Preparation of difluoromethylthioethers through difluoromethylation of disulfides using TMS-CF2H.

Chemical communications (Cambridge, England)

Howard JL, Schotten C, Alston ST, Browne DL.
PMID: 27306975
Chem Commun (Camb). 2016 Jun 28;52(54):8448-51. doi: 10.1039/c6cc02693a.

We report an operationally simple, metal-free approach for the late-stage introduction of the important lipophilic hydrogen-bond donor motif, SCF2H. This reaction converts diaryl- and dialkyl-disulfides into the corresponding aryl/alkyl-SCF2H through the nucleophilic transfer of a difluoromethyl group with good...

Addition reaction of dialkyl disulfides to terminal alkynes catalyzed by a rhodium complex and trifluoromethanesulfonic acid.

Organic letters

Arisawa M, Yamaguchi M.
PMID: 11259056
Org Lett. 2001 Mar 08;3(5):763-4. doi: 10.1021/ol015521l.

[reaction: see text]. Addition of dialkyl disulfides to terminal alkynes is catalyzed by a rhodium-phosphine complex and trifluoromethanesulfonic acid giving (Z)-bis(alkylthio)olefins stereoselectively.

Kinetics and Equilibria of the Thiol/Disulfide Exchange Reactions of Somatostatin with Glutathione.

The Journal of organic chemistry

Rabenstein DL, Weaver KH.
PMID: 11667665
J Org Chem. 1996 Oct 18;61(21):7391-7397. doi: 10.1021/jo960917+.

Rate and equilibrium constants are reported for the thiol/disulfide exchange reactions of the peptide hormone somatostatin with glutathione (GSH). GSH reacts with the disulfide bond of somatostatin to form somatostatin-glutathione mixed disulfides (Cys(3)-SH, Cys(14)-SSG and Cys(3)-SSG, Cys(14)-SH), each of...

Ligand-stabilized ruthenium nanoparticles: synthesis, organization, and dynamics.

Journal of the American Chemical Society

Pan C, Pelzer K, Philippot K, Chaudret B, Dassenoy F, Lecante P, Casanove MJ.
PMID: 11480979
J Am Chem Soc. 2001 Aug 08;123(31):7584-93. doi: 10.1021/ja003961m.

The decomposition of the ruthenium precursor Ru(COD)(COT) (1, COD = 1,5-cyclooctadiene; COT = 1,3,5-cyclooctatriene) in mild conditions (room temperature, 1--3 bar H(2)) in THF leads, in the presence of a stabilizer (polymer or ligand), to nanoparticles of various sizes...

A Novel Class of Conformationally Constrained, Masked Cysteines: Synthesis of 2-Alkyl- and 2-Arylsulfanyl-1-aminocyclopropanecarboxylic Acids.

The Journal of organic chemistry

Clerici F, Gelmi ML, Pocar D.
PMID: 11674139
J Org Chem. 1999 Feb 05;64(3):726-730. doi: 10.1021/jo9810011.

A convenient synthesis of 4-sulfanylmethylene-5(4H)-oxazolones 3 was realized starting from 4-(chloromethylene)oxazolone 1 and mercaptans 2. Oxazolones 3 were used as starting materials for the preparation of unknown 2-sulfanyl-1-aminocyclopropanecarboxylic acid derivatives 5 and7. Oxazolones 3 were cyclopropanated at the exocyclic...

1,4-Naphthoquinone Disulfides and Methyl Sulfides: Self-Assembled Monolayers on Gold Substrates.

The Journal of organic chemistry

Panetta CA, Fan PW, Fattah R, Greever JC, He Z, Hussey CL, Sha D, Wescott LD.
PMID: 11674367
J Org Chem. 1999 Apr 16;64(8):2919-2923. doi: 10.1021/jo981185j.

No abstract available.

Self-Assembled Monolayers of Organoselenium Compounds on Gold: Surface-Enhanced Raman Scattering Study.

Journal of colloid and interface science

Han SW, Kim K.
PMID: 11482958
J Colloid Interface Sci. 2001 Aug 15;240(2):492-497. doi: 10.1006/jcis.2001.7702.

To understand the binding nature of organoselenium compounds on gold, we have examined the adsorption behavior of several representative organoselenium compounds, i.e., benzeneselenol (BSe), diphenyl diselenide, dibenzyl diselenide, dioctyl diselenide, and benzyl phenyl selenide (BPSe) on the Au surface...

Direct synthesis of mesostructured lamellar molybdenum disulfides using a molten neutral n-alkylamine as the solvent and template.

Journal of the American Chemical Society

Vanchura BA, He P, Antochshuk V, Jaroniec M, Ferryman A, Barbash D, Fulghum JE, Huang SD.
PMID: 12371837
J Am Chem Soc. 2002 Oct 16;124(41):12090-1. doi: 10.1021/ja025786a.

A series of novel mesostructured lamellar molybdenum disulfides with the d spacings from 17 to 30 A can be prepared by the reaction of Mo(CO)6 with elemental sulfur using a molten n-alkylamine as the solvent as well as the...

Auxin-Modulated Protein Disulfide-Thiol-Interchange Activity from Soybean Plasma Membranes.

Plant physiology

Morre DJ, De Cabo R, Jacobs E, Morre DM.
PMID: 12228613
Plant Physiol. 1995 Oct;109(2):573-578. doi: 10.1104/pp.109.2.573.

The renaturation of scrambled (oxidized and inactive) RNase A is catalyzed by soybean (Glycine max cv Williams 82) plasma membranes. The catalysis is stimulated by the auxin herbicide 2,4-dichlorophenoxyacetic acid or by the natural auxin indole-3-acetic acid. The inactive...

Showing 13 to 24 of 588 entries