نتایج جستجو برای: polycarbonate membrane

تعداد نتایج: 391370  

2016
Yuanrong Xin Junji Sakamoto André J. van der Vlies Urara Hasegawa Hiroshi Uyama

This data article provides supplementary figures to the research article entitled, "Phase separation approach to a reactive polycarbonate monolith for "click" modifications" (Xin et al., Polymer, 2015, doi:10.1016/j.polymer.2015.04.008). Here, the nitrogen adsorption/desorption isotherms of the prepared porous polycarbonate monolith are shown to classify its inner structure and calculate the sp...

Journal: :Applied sciences 2021

Lead-acid batteries are now widely used for energy storage, as result of an established and reliable technology. In the last decade, several studies have been carried out to improve performance this type batteries, with main objective replace conventional plates innovative electrodes improved stability, increased capacity a larger active surface. Such ultimately aim kinetics electrochemical con...

Journal: :Journal of Toxicological Sciences 2021

Bisphenol A (BPA) is an endocrine-disrupting chemical used in polycarbonate and epoxy resins. Previously, we found that BPA stabilized the protein levels of nuclear factor erythroid 2-related 2 (Nrf2) by inducing Ca2+ efflux into cytosol, followed nitric oxide synthase activation, resulting enhanced nitrosylation Keap1, which a negative regulator Nrf2. However, mechanisms behind stimulation rem...

2008
Kevin S. Lee Rajeev J. Ram

Active devices such as pumps and mixers have been fabricated in plastic-PDMS hybrid devices. By utilizing functionalized silane primers, bond strength between Polycarbonate or PMMA and PDMS improved in dry and aqueous environments. Plastic-primer-PDMS layers exposed to acid and base solutions at 70 C for 2 hours showed no signs of delamination at 30 psi for pH -1 to 15 and 60 psi for pH 0 to 15...

2007
Zhen Wang Rong-Xian Li

DNA micropatterns have been fabricated on the surface of Polycarbonate (PC) bases of compact discs, with the ultimate goal of using conventional CD technology for DNA analysis. To confirm the formation of -COOH groups on the PC surface upon UV/ ozone treatment, contact angle titrations were carried out on the PC surfaces. The surface morphologies of PC surface were measured by Tapping-mode Atom...

2013
Ferenc Ronkay

The research was aimed at analyzing the polycarbonate scrap arising during production and its possible secondary utilization. The analysis of morphological, rheological and thermal data revealed significant differences between the original pellets and the reground material obtained from injection molded parts. Test specimens were injection molded from various mixtures of the virgin and the regr...

2001
Jagdish PRASAD

A one-dimensional, diffusion-controlled, reaction is followed in time by phosphorescence (monitoring reactant) and delayed fluorescence (moniloring product). The triplet (excited) naphthalene molecules move in a methanol solution, confined inside the cylindrical channels of a channel-pore polycarbonate membrane. The reaction product is a transient photodimer or excimer, giving delayed fluoresce...

2009
F Martineau K Namur J. Mallet F Delavoie F Endres M Troyon M Molinari

The electrodeposition at room temperature of silicon and germanium nanowires from the airand water-stable ionic liquid 1-butyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide (P1,4) containing SiCl4 as Si source or GeCl4 as Ge source is investigated by cyclic voltammetry. By using nanoporous polycarbonate membranes as templates, it is possible to reproducibly grow pure silicon and germ...

Journal: :Nanoscale 2014
Zhikun Liu Zeyuan Cao Biwei Deng Yuefeng Wang Jiayi Shao Prashant Kumar C Richard Liu Bingqing Wei Gary J Cheng

Laser-induced photo-chemical synthesis of SnO2 nanotubes has been demonstrated by employing a nanoporous polycarbonate membrane as a template. The SnO2 nanotube diameter can be controlled by the nanoporous template while the nanotube length can be tuned by laser parameters and reaction duration. The microstructure characterization of the nanotubes indicates that they consist of mesoporous struc...

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