Results 11 to 20 of about 60,563 (180)

Results of GC-MS Analyses of 40 Extracts of Diabetes Devices. [PDF]

open access: yesContact Dermatitis
Forty acetone extracts of 27 diabetes devices were investigated by gas chromatography–mass spectrometry. Two hundred eighty four individual chemicals were identified. All 40 extracts contained one or more chemicals that were previously identified as allergens in diabetes devices causing allergic Contact Dermatitis.
van Oers EM   +4 more
europepmc   +2 more sources

A Polyproline Type II Peptidomimetic Disrupts a Grb2 SH3C Domain Protein-Protein Interaction Implicated in Breast Cancer. [PDF]

open access: yesChembiochem
Benzoylurea scaffolds accurately mimic the side‐chain vectors of the i, i + 1/2, and i + 3 positions of polyproline type II helices, showing functional activity in the disruption of a protein–protein interaction implicated in breast cancer. Given the essential role of protein–protein interactions (PPIs) in cellular signaling pathways, their selective ...
Luccarelli J   +4 more
europepmc   +2 more sources

N- to C-Peptide Synthesis, Arguably the Future for Sustainable Production. [PDF]

open access: yesJ Pept Sci
The advent of epimerization‐free methods for coupling in N‐ to C‐direction synthesis offers improved atom economy for sustainable peptide synthesis. ABSTRACT A revolution in peptide production arrived from the innovation of carboxylate to amine C‐ to N‐direction solid‐phase synthesis.
Ghosh K, Lubell WD.
europepmc   +2 more sources

Imidazol-2-ylidene-N′-phenylureate ligands in alkali and alkaline earth metal coordination spheres - heterocubane core to polymeric structural motif formation [PDF]

open access: yes, 2015
The synthesis and isolation of two potassium, one lithium and two calcium complexes of imidazol-2-ylidene-N′-phenylureate ligands [ImRNCON(H)Ph] [(R = tBu (1a); Mes (1b) and Dipp (1c); Mes = mesityl, Dipp = 2,6-diisopropylphenyl] are described. Potassium
Bhattacharjee, J   +3 more
core   +1 more source

Synthesis of N-Z, N′-Formyl α-Amino Acid Derived Gem-Diamines [PDF]

open access: yes, 2008
A variety of N-carbobenzoxy, N′-formyl gem-diaminoalkyl derivatives have been obtained through Goldsmith-Wick reaction of Z-α-amino acid/peptide acid derived isocyanates with 96% HCOOH in presence of 4-dimethylaminopyridine (DMAP) as catalyst.
Narendra, N., Sureshbabu, V.V.
core   +2 more sources

Thermal curing of an epoxy-anhydride system modified with hyperbranched poly(ethylene imine)s with different terminal groups [PDF]

open access: yes, 2017
New hyperbranched polymers (HBP) have been synthesized by reaction of a poly(ethylene imine) with phenyl and t-butyl isocyanates. These HBPs have been characterized by 1H-NMR (nuclear magnetic resonance of hydrogen) and Fourier transform infrared ...
Acebo Gorostiza, Cristina   +5 more
core   +2 more sources

Predicting melting points of organic molecules : applications to aqueous solubility prediction using the General Solubility Equation [PDF]

open access: yes, 2015
In this work we make predictions of several important molecular properties of academic and industrial importance to seek answers to two questions: 1) Can we apply efficient machine learning techniques, using inexpensive descriptors, to predict melting ...
McDonagh, James   +2 more
core   +1 more source

Brief overview on bio-based adhesives and sealants [PDF]

open access: yes, 2019
Adhesives and sealants (AS) are materials with excellent properties, versatility, and simple curing mechanisms, being widely used in different areas ranging from the construction to the medical sectors.
Ana C. Fonseca   +15 more
core   +1 more source

Chemical derivatization processes applied to amine determination in samples of different matrix composition [PDF]

open access: yes, 2015
No abstract ...
Biziuk, Marek   +3 more
core   +1 more source

A catalytic cycle for oxidation of tert-butyl methyl ether by a double C−H activation-group transfer process [PDF]

open access: yes, 2008
A square-planar, iridium(I) carbene complex is shown to effect atom and group transfer from nitrous oxide and organic azides, releasing the corresponding formate or formimidate and an iridium(I)−dinitrogen adduct.
Grubbs, Robert H., Whited, Matthew T.
core   +2 more sources

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