نتایج جستجو برای: coated materials

تعداد نتایج: 477955  

Journal: :Lubricants 2022

The use of lightweight materials, such as ultra-high-strength aluminium alloys, is in high demand the automotive and aerospace industries where weight savings are critical. tool materials used for high-speed cutting these alloys subjected to severe conditions that promote premature failure tools. application polycrystalline diamond (PCD) coatings provides tools with increased mechanical thermal...

Journal: :dental research journal 0
seyed hamid raji hasan shojaei parinaz saeidi ghorani elahe rafiei

background: the advantages of coated orthodontic wires such as esthetic and their effectson reduced friction, corrosion and allergic reaction and the signifi cant consequences of plaque accumulation on oral health encouraged us to assess bacterial colonization on these wires. materials and methods: a total of 18 (9 upper and 9 lower) epoxy resin coated 16 × 22 nickeltitanium wires (spectra, gac...

2011

There have been several recent developments in slow-release fertilizers. These materials supply nutrients continuously over an extended period in contrast to water soluble fertilizers which are immediately available after incorporation in moist soil. Slow-release fertilizers are not subject to rapid leaching loss and do not easily burn plants from over-application. The major need for slow relea...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم کشاورزی 1388

چکیده ندارد.

اصغری جعفر آبادی, محمد, امامقلی, عسگر, حرفه دوست, غلامرضا, ذوالفقاری, داود, صدرایی, سید همایون, صدری, مینو, کاکا, غلامرضا,

Background and Objective: Poly D,L-lactic-co-glycolic acid (PLGA) is known as biodegradable and biocompatible polymer. These polymers have recently received much attention in tissue engineering. The aim of this study was to investigate the biological behavior of the bone marrow stromal cells (BMSCs) in culturing with PLGA nanofibers coated with poly-L-lysine or gelatin. Materials and Methods: I...

2016
Seyfettin Ciftci Tijen Nemut Mustafa Melih Culha Hasan Yilmaz Murat Ustuner Ufuk Yavuz Levend Ozkan Aynur Karadenizli Sadi Turkan

INTRODUCTION Aim of this study is to investigate bacterial growth on non-infected devices and compare antibiotic-coated and non-coated implants. MATERIALS AND METHODS The charts of 71 patients who underwent revision surgeries for penile prosthesis between 1995 and 2013 were reviewed. Of those, 31 devices were antibiotic-coated prostheses, while 40 of the implants were non-coated. Swab culture...

Journal: :Environmental science & technology 2014
Natalia S Shcherbina Stepan S Kalmykov Leonid A Karpiouk Sergey A Ponomarenko Kirk Hatfield Richard Haire Irina V Perminova

The objective was to study plutonium partitioning between immobile and mobile humic materials at the water-solid interfaces. Immobilization of the humic materials on solid supports was performed in situ using self-adhesive silanized humic derivatives. The presence of the humic adlayers on solid supports was shown to significantly enhance Pu sorption and its retention under both steady state and...

2013
Abdul Wasy Yi Qi Wang Atta Ur Rehman Jung Il Song

Vickers indentation is used to measure the hardness of materials. In this study, numerical simulation of Vickers indentation experiment was performed for Diamond like Carbon (DLC) coated materials. DLC coatings were deposited on stainless steel 304 substrates with Chromium buffer layer using RF Magnetron and T-shape Filtered Cathodic Vacuum Arc Dual system The objective of this research is to u...

Journal: :Journal of biomedical materials research. Part A 2004
Stephen P Massia Matthew M Holecko Gholam R Ehteshami

Recent efforts in our laboratory have focused on developing methods for immobilizing bioactive peptides to low cell-adhesive dextran monolayer coatings and promoting biospecific cell adhesion for biomaterial implant applications. In the current study, this dextran-based bioactive coating technology was developed for silicon, polyimide, and gold, the base materials utilized to fabricate our prot...

Journal: :Journal of nanoscience and nanotechnology 2014
Huei-Shian Lin James R Carey

Nanoparticle coated microspheres are composed of two or more materials with a core/shell structure and exhibit unique abilities that allow amplification of trace targets in immunoassays. The preparation of nanoparticle coated microspheres can be accomplished using three main strategies: (1) in-situ, (2) ex-situ, and (3) hollow sphere methods. Antibodies or biomolecules can be immobilized on the...

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