Results 31 to 40 of about 61,821 (285)

Preclinical Study of DNA-Recognized Peptide Compound Pyrrole-Imidazole Polyamide Targeting Human TGF-β1 Promoter for Progressive Renal Diseases in the Common Marmoset

open access: yesMolecules, 2019
Pyrrole-imidazole (PI) polyamides are novel gene silencers that strongly bind the promoter region of target genes in a sequence-specific manner to inhibit gene transcription. We created a PI polyamide targeting human TGF-β1 (hTGF-β1).
Masari Otsuki   +7 more
doaj   +1 more source

Combined Effects of Polyamide Microplastics and Hydrochemical Factors on the Transport of Bisphenol A in Groundwater

open access: yesSeparations, 2023
Polyamide (PA) and bisphenol A (BPA) are selected as typical microplastic and endocrine-disrupting chemicals in this study. The adsorption of BPA on the surface of PA and the effect of PA on the transport behavior of BPA in groundwater are systematically
Zhou Cheng   +9 more
doaj   +1 more source

Effects of hydrolysis ageing on the performance and dimensional stability of glass-fiber reinforced polyamide 66 [PDF]

open access: yes, 2010
Results of an in-depth study of hydrolysis testing on the mechanical performance, weight change, and dimensional stability of injection moulded glass-fiber reinforced polyamide 66 automotive composites are presented. Composite and resin samples have been
Thomason, James L.   +2 more
core   +3 more sources

Ionic Liquid-Mediated Interfacial Polymerization for Fabrication of Reverse Osmosis Membranes

open access: yesMembranes, 2022
This study revealed the effects of incorporating ionic liquid (IL) molecules: 1-ethyl, 1-butyl, and 1-octyl-3-methyl-imidazolium chlorides with different alkyl chain lengths, in interfacial polymerization (IP) on the structure and property (i.e ...
Nisha Verma   +4 more
doaj   +1 more source

Relation between drill bit temperature and chip forms in drilling of carbon black reinforced polyami

open access: yesJournal of Thermal Engineering, 2015
Polyamides have many application fields due to their good mechanical trength, high impact strength, good sliding properties etc. Recently, electrically conductive polyamides can be produced by adding carbon black, graphene, metals and carbon nanotubes ...
Alper Uysal
doaj   +1 more source

Interfacial strength in thermoplastic composites - at last an industry friendly measurement method? [PDF]

open access: yes, 2002
Many elegant techniques have been developed for the quantification of composite micro-mechanical parameters in recent years. Unfortunately, most of these techniques have found little enthusiastic support in the industrial product development environment,
Thomason, J.L.
core   +4 more sources

Multiscale fatigue damage characterization in short glass fiber reinforced polyamide-66 [PDF]

open access: yes, 2014
This paper aims at studying fatigue damage behavior of injection molded 30 wt% short glass fiber reinforced polyamide-66 composite (PA66/GF30). The evolution of dynamic modulus, hysteresis area, cyclic creep and temperature during fatigue tests were ...
ARIF, Muhamad Fatikul   +5 more
core   +1 more source

Ionically Counter‐Programmable Phase‐Separation of Superstable Star‐Biopolyamide Coacervates for Electrothermally‐Responsive Pseudosolid Smart Windows [PDF]

open access: yesAdvanced science
We develop bio‐based, star‐branched polyamides from itaconic acid and cadaverine with tunable lower critical solution temperature (LCST) transitions for dynamic solar modulation. Specific metal ion coordination with pyrrolidone moieties drives precise phase transitions via calcium‐induced salting‐in and sodium‐induced salting‐out mechanisms. Formulated
Liu J   +6 more
europepmc   +2 more sources

Functional Aromatic Polyamides [PDF]

open access: yesPolymers, 2017
We describe herein the state of the art following the last 8 years of research into aromatic polyamides, wholly aromatic polyamides or aramids. These polymers belong to the family of high performance materials because of their exceptional thermal and mechanical behavior.
José Reglero Ruiz   +3 more
openaire   +4 more sources

Taste Masking of Promethazine Hydrochloride Using l-Arginine Polyamide-Based Nanocapsules

open access: yesMolecules, 2023
Promethazine hydrochloride (PMZ), a potent H1-histamine blocker widely used to prevent motion sickness, dizziness, nausea, and vomiting, has a bitter taste.
Hamad S. Alyami   +8 more
doaj   +1 more source

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