نتایج جستجو برای: coated materials

تعداد نتایج: 477955  

ژورنال: سرامیک ایران 2022

Fingerprint identification or dactyloscopy is a method for human identification. The impressions left by a human finger on surfaces are not visible to naked eyes (latent fingerprint); therefore, they require revelation to become visible and identified. Within the last century, several fingerprint revelation techniques such as optical, physical, and chemical were studied. These traditional metho...

Journal: :Biophysical journal 2012
Anand Banerjee Alexander Berezhkovskii Ralph Nossal

In recent years, fluorescence microscopy has enabled researchers to observe the dynamics of clathrin-coated pit (CCP) assembly in real time. The assembly dynamics of CCPs shows striking heterogeneity. Some CCPs are long-lived (productive CCPs); they bind cargo and grow in size to form clathrin-coated vesicles. In contrast, other CCPs (abortive CCPs) are relatively short-lived and disassemble we...

Journal: :international journal of nanoscience and nanotechnology 2015
m.m.a. nikje l. sarchami l. rahmani

in this report, magnetic iron oxide nanoparticles were synthesized via coprecipitation of fe2+ and fe3+ with ammonium hydroxide, and the surface of synthesized nanoparticles was organically functionalized by commercially available amine coupling agent namely, 3-aminopropyl trimethoxysilane (apts) by using well-known sol–gel method. further reaction of the synthesized fe3o4@apts core-shell magne...

Journal: :Chemical communications 2009
Yun-Xiang Xu Xin Zhao Xi-Kui Jiang Zhan-Ting Li

A new class of organic nanotubes have been assembled from simple isophthalamide derivatives and their surface can be conveniently coated with Pt, which form new Pt nanotubes after the inside organic materials are removed with hot methanol.

Journal: :Clinical oral implants research 2013
P R Schmidlin F Nicholls A Kruse R A Zwahlen F E Weber

OBJECTIVE Moldable in situ self-stabilizing and hardening bone graft materials facilitate handling and may be suitable for membrane-free bone regeneration methods. This study aimed to compare two moldable synthetic calcium phosphate materials in a rabbit calvarial defect model. METHOD In 12 New Zealand white rabbits, four evenly distributed 6 mm diameter defects were drilled in the calvarial ...

2016
Rocío MORICHE María SÁNCHEZ Silvia G. PROLONGO Alberto JIMÉNEZ-SUÁREZ Alejandro UREÑA

The incorporation of graphene nanoplatelets (GNPs) as nanoreinforcement in multiscale composite materials has become increasingly interesting for structural health monitoring. The GNPs create an electrically conductive network through the composite material, which is susceptible to dimensional changes. Additionally, the presence of discontinuities i.e. cracks or delaminations, causes the breaka...

پایان نامه :0 1374

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

2017
Z. Abdel Hamid Mona H. Gomaa H. B. Hassan

In the present work copper/diamond composites, such as (Cu-10 Vf % diamond uncoated, Cu-30 Vf % diamond uncoated, Cu-10 Vf % diamond coated NiCrB and Cu-30 Vf % coated NiCrB) as heat sink materials have been fabricated using powder metallurgy and electroless techniques. The copper powder used in this study has been fabricated using electroless technique and the diamond powder was electroless co...

2016
Manijeh Vafa Homann Dorota Johansson Håkan Wallen Javier Sanchez

Central line associated bloodstream infections (CLABSIs) are a serious cause of morbidity and mortality induced by the use of central venous catheters (CVCs). Nobel metal alloy (NMA) coating is an advanced surface modification that prevents microbial adhesion and growth on catheters and thereby reduces the risk of infection. In vitro microbiological analyses have shown up to 90% reduction in mi...

Journal: :The International journal of oral & maxillofacial implants 2012
Nabeel H M Alsabeeha Sunyoung Ma Momen A Atieh

PURPOSE To evaluate treatment outcomes of hydroxyapatite-coated implants in comparison to nonhydroxyapatite-coated implants. MATERIALS AND METHODS A comprehensive electronic search was performed through MEDLINE, EMBASE, the Cochrane Oral Health Group's Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), the UK National Research Register, and Conference proceedings c...

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