Results 101 to 110 of about 32,899 (265)

Polyaryl ethers and related polysiloxane copolymer molecular coatings preparation and radiation degrdation [PDF]

open access: yes
Poly(arylene ether sulfones) comprise a class of materials known as engineering thermoplastics which have a variety of important applications. These polymers are tough, rigid materials with good mechanical properties over a wide temperature range, and ...
Hedrick, J. L.   +5 more
core   +1 more source

Potential peptidic proteasome inhibitors by incorporation of an electrophilic trap based on amino acid derived α-substituted sulfonyl fluorides [PDF]

open access: yes, 2017
Peptido sulfonyl fluoride derivatives were designed and synthesized containing a substituent on the alpha position (αPSFs) with respect to the sulfonyl fluoride electrophilic trap.
Brouwer, Arwin J.   +3 more
core   +1 more source

Poly(aryl ethers) and related polysiloxane copolymer molecular coatings: Preparation and radiation degradation [PDF]

open access: yes
The radiation degradation of poly(arylene ether sulfones) and related materials is studied. These basic studies are important both as a means to developing stronger, more stable matrix resins for composite materials, as well as to improve the data base ...
Mcgrath, J. E.
core   +1 more source

The Interaction between PEDOT/PSS Gate and sub-$μ$ low-k Insulator for All Printed OFETs [PDF]

open access: yesarXiv, 2004
In all printed OFETs with Poly(3,4-ethylenedioxythiophene)/ poly(styrenesulfonate) (PEDOT/ PSS) gate, offset printing and gravure of electrically dense sub-$\mu$ insulators from polyvinylphenol (PVPh), polyvinyl alcohol (PVOH) and poly(methyl methacrylate) (PMMA) as well as other organic and inorganic materials turned out to be problematic due to the ...
arxiv  

Sulfones and the miracle at Carville

open access: yesRevue d'histoire de la pharmacie, 1996
Parascandola John. Sulfones and the miracle at Carville. In: Revue d'histoire de la pharmacie, 84ᵉ année, n°312, 1996. Actes du XXXIe Congrès International d'Histoire de la Pharmacie (Paris, 25-29 septembre 1995) pp. 409-412.
openaire   +3 more sources

Aging of aqueous laponite dispersions in the presence of sodium polystyrene sulfonate [PDF]

open access: yesUkrainian Journal of Physics, 2014, Vol. 59, no. 6, pp. 589-595, 2014
Aqueous suspensions of Laponite with discotic particles are well-studied and find a wide range of applications in industry. A new direction of their implementation is polymer composites that can exhibit improved physical properties.We have studied the aging of aqueous suspensions of Laponite and sodium polystyrene sulfonate (PSS-Na) and both their ...
arxiv  

Extended peptide-based inhibitors efficiently target the proteasome and reveal overlapping specificities of the catalytic β-subunits [PDF]

open access: yes, 2001
Background: The 26S proteasome is responsible for most cytosolic proteolysis, and is an important protease in major histocompatibility complex class I-mediated antigen presentation.
Altun, Mikael   +7 more
core   +1 more source

Modulation of Properties in [1]Benzothieno[3,2-b][1]benzothiophene Derivatives through Sulfur Oxidation

open access: yesMolecules
This study explores the impact of sulfur oxidation on the structural, optical, and electronic properties of [1]benzothieno[3,2-b][1]benzothiophene (BTBT) derivatives, specifically focusing on 2,7-dibromo BTBT (2,7-diBr-BTBT) and its oxidized forms, 5,5 ...
Aneta Rzewnicka   +4 more
doaj   +1 more source

Synthesis and Elastase Inhibitory Evaluation of Phosphate Esters and Mixed Phosphate Anhydride of Penam Sulfones

open access: yesMolecules, 2000
The evaluation of human leucocite elastase inhibition by phosphate esters (1-2) and phosphate mixed anhydride (3) of penicillin sulfones and their precursor sulfides is described.
O. A. Mascaretti   +1 more
doaj   +1 more source

Visualization of Ion Channels in Membranes using Electrochemical Strain Microscopy [PDF]

open access: yesarXiv, 2019
Polymer composite electrolytes of Nafion and phosphotungstic acid (PWA) are fabricated and analyzed using electrochemical strain microscopy (ESM) and conductive atomic force microscopy (C-AFM) to visualize hydrophilic ion channels near the surface, which are composed of water and sulfonic acid groups.
arxiv  

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