نتایج جستجو برای: modified glass

تعداد نتایج: 319594  

Journal: :Lab on a chip 2011
Rerngchai Arayanarakool Lingling Shui Albert van den Berg Jan C T Eijkel

This work reports a new method to hydrophobize glass-based micro- and nanofluidic networks. Conventional methods of hydrophobizing glass surfaces often create particulate debris causing clogging especially in shallow nanochannels or require skilful handling. Our novel method employs oxygen plasma, silicone oil and ultraviolet (UV) light. The contact angle of the modified bare glass surface can ...

ژورنال: مجله دندانپزشکی 2011
بحرالعلومی, زهرا, سلیمانی, علی اصغر, نمیرانیان, پریسا,

Background and Aims: Use of glass ionomer cements in pediatric dentistry is increasing and limited information exists with regard to the effect of salivary contamination on the shear bond strength of glass-ionomer to dentin in primary teeth. The aim of this study was to evaluate the effect of salivary contamination on the shear bond strength of two types of glass ionomer cements to dentin in pr...

Journal: :Journal of Physics: Conference Series 2018

Journal: :Acta biochimica et biophysica Sinica 2007
Zhiyou Du Bo Jin Wenhong Liu Liang Chen Jishuang Chen

In this study, a modified method of the conventional RNA dot-blot hybridization was established, by replacing (32)P labels with CY5 labels and replacing nylon membranes with positive-charged glass slides, for detecting plant RNA viruses and a viroid. The modified RNA dot-blot hybridization method was named glass slide hybridization. The optimum efficiency of RNA binding onto the surfaces of act...

Journal: :Eastern-European Journal of Enterprise Technologies 2016

Journal: :Macromolecular rapid communications 2009
Jing Wang Matthew I Gibson Raphaël Barbey Shou-Jun Xiao Harm-Anton Klok

This contribution describes the preparation of nonfouling polypeptide brushes via surface-initiated ring-opening polymerization of oligo(ethylene glycol) modified L-lysine N-carboxyanhydrides. Circular dichroism experiments indicated that these surface-anchored polypeptide chains assume an α-helical conformation, which does not change between pH 4 and 9. Furthermore, nonspecific adsorption of f...

Journal: :Lab on a chip 2011
Ming Li Dong Pyo Kim

The surface modified polydimethylsiloxane (PDMS) microchannels show a much more inferior performance to the durable and reproducible glass chip. In this paper, a facile approach to preparing a silicate glass modified PDMS microchannel for glass-like performance is presented. This glass-like performance is made possible by a phase conversion of a preceramic polymer--allylhydridopolycarbosilane (...

Journal: :Arhiv za higijenu rada i toksikologiju 2014
Elizabeta Galić Antonija Tadin Nada Galić Vilena Kašuba Marin Mladinić Ružica Rozgaj Dolores Biočina-Lukenda Ivan Galić Davor Zelježić

The purpose of this study was to evaluate the genotoxic potential of components leached from two conventional self-curing glass-ionomer cements (Fuji IX and Ketac Molar), and light-curing, resin modified glass-ionomer cements (Vitrebond, Fuji II LC). Evaluation was performed on human lymphocytes using alkaline and hOGG1 modified comet, and micronucleus assays. Each material, polymerised and unp...

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