Materials Literature
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Rubber seed oil (RSO) and its sodium soap were pyrolysed in a batch reactor to obtain low molar mass organic substances. The pyrolitic oil of RSO was redistilled and the distillates were characterized by GC-MS and FTIR. Density, acid value, saponification value and ester values were also measured according to the ASTM…
The preparation and characterization of bimetallic catalysts using impregnation method with a variation of concentration of precursor sequence Co and Mo metal obtained catalyst K 1 [Co (0.018 M) - Mo (0.037 M)/USY]. K 2 [Co (0.026 M) - Mo (0.055 M)/USY], K 3 [Co (0.035 M) - Mo (0.074 M)/USY], K 4 [Co (0.05 M) - Mo (0.…
Graphitic oxide (GO) was synthesized by oxidation of graphite powder using Hummer’s method and subsequently converted into graphene oxide (GrO) by liquid phase exfoliation. Subsequently, GrO is coated over polyamide fabrics by dip coating process followed by hydrazine induced reduction of the coated GrO phase to reduc…
One of the most important parameters describing the liposomal formulation of hydroquinone is encapsulation efficacy. For the efficacy evaluation of hydroquinone trapped in liposomal structure, there is a need to first separate liposome from the matrix surrounding it. There are various separation techniques; however, i…
Дано короткий історичний нарис створення та основних етапів розвитку Інституту металофізики ім
In the field of self‐reinforced composites many researchers have focused their attention on the coextruded tapes composed of polypropylene core and PP/PE copolymer skin. Two similar commercial fabrics (P and T) have been compared in respect of their peel resistance. For both materials, peel resistance has a periodic t…
PURPOSE: A combined breathing maneuver of hyperventilation, followed by a long voluntary breathhold leads to coronary vasodilation. We investigated the impact of breathing maneuvers on MR first-pass cardiac perfusion imaging and its potential clinical utility. MATERIALS AND METHODS: We studied 24 healthy volunteers (3…
The insect limb develops from the imaginal disc or larval leg during metamorphosis. The molecular mechanisms involved in the development from the larval to the adult leg are poorly understood. Herein, we cloned the full length of a zinc finger gene rotund from Bombyx mori (Bmrn), which contained a 1419 bp open reading…
Utilization of renewable marine resources for the biosynthesis of metal nanoparticles is an innovative area in the current nanotechnology research. The present article reports a simple environmentally benign method for the synthesis of silver nanoparticles using aqueous extract of marine brown seaweed Padina Tetrastro…
ABSTRACT We have prepared the amidinium‐carboxylate salt bridge‐based supramolecular network polymers from a carboxy‐terminated telechelic poly(n‐butyl acrylate) and a linear polyamidine having N,N′‐di‐substituted acetamidine group in the main chain. FTIR measurements indicated that the salt bridge was attributed to t…
Nanotechnology is being increasingly applied for developing drug delivery options for specific treatments. Magnetic nanoparticles have drawn attention as drug delivery vehicles due to their stability, biocompatibility and ability to be non-invasively guided to desired target areas using magnetic fields. In this paper,…
Our previous studies have confirmed the superior biocompatibility of the poly-L-lactic acid/amorphous calcium phosphate (PLLA/ACP) scaffolds (PowerScaffold) compared to PLLA scaffolds and their similar 6-month radial strength compared with TAXUS stents. In order to conduct further dynamic observations on the performan…
Abstract In this paper, in situ (Ti, Nb)C particle ((Ti, Nb)C p ) reinforced Fe‐based composite coatings were produced by laser cladding on the surface of the high carbon steel. The effects of heat input on the microstructure, distribution characteristics of particle, and mechanical properties of the coating were inve…
The construction of a three-dimensional (3D) liver tissue is limited by many factors; one of them is the lack of vascularization inside the tissue-engineered construct. An engineered liver pocket-scaffold able to increase neo-angiogenesis in vivo could be a solution to overcome these limitations. In this work, a hyalu…
Enhancing the biocompatibility and osteogenic activity of nano-apatite for applications in bone graft substitutes and bone tissue engineering have been the current challenge in regeneration of lost bone. Inspired by mussels, here we have developed facile biomimetic approaches for preparation of two types of peptide-co…
This work describes the synthesis and applications of amphiphilic polystyrene-block-poly(N-vinyl-2-pyrrolidone) (PS-b-PVP) copolymers as a silver and silica nanoparticle surface modification agent. The synthesis of PS-b-PVP was carried out using controlled/living radical polymerization techniques. The synthesis of the…
This paper describes the synthesis and characterization of epoxy resins based on (hexafluoroisopropylidene)diphenol (EFN) and p,p’-isopropylidenebisphenol (EBN), respectively and 4, 4’- (hexafluoroisopropylidene)dipthalic-imideamine (IMAM), a curing agent. The synthesized epoxy resins and IMAM curing agent were charac…
The soil profiles of the Champagne area (NE of Paris Basin, France) occasionally show carbonate accumulation horizons (CAHs). From the top to the bottom, these soil profiles include a rendic leptosol horizon, a Quaternary cryoturbated paleosol (QCP), and a chalky substratum. The CAHs are located in the top part of the…
Embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) are capable of self-renewal and differentiation into any cell type, thus making them the focus of many clinical application studies. Culturing ESCs on mouse embryonic fibroblast-derived and cell-based feeder layers to maintain pluripotency is a sta…
Chitosan-polyvinyl acetate (CHI-PVA) blends were prepared throughout copolymerization reaction. Chitosan (CHI) as a hydrophilic molecule was added to modify the blend surface of polyvinyl acetate (PVA). The sorption effects of CHI-PVA blends were studied in the presence of binary feed mixture of methanol–water (MW). T…