نتایج جستجو برای: silane

تعداد نتایج: 2688  

Journal: :Chemical communications 2016
Elia M Schneider Martin Zeltner Vladimir Zlateski Robert N Grass Wendelin J Stark

Herein, we present a water dispersable, magnetic nanoparticle supported "click and release" system. The cleavable linker has been synthesized by using a strain-promoted copper-free "click" reagent to establish the specific link and a fluoride cleavable silane moiety for mild cleavage. Small organic molecules, azide-bearing dyes and functionalized enzymes have been bound to the magnetic particle...

Journal: :Chemical communications 2011
Minfeng Li Yu Wang Victor Piñon Marcus Weck

Herein, we report a method to pattern a derivatized nifedipine silane monolayer that aromatizes under UV irradiation. Using a functionalized SCS-Pd(II) pincer complex, we demonstrate that a strong metal-coordination complex between the aromatized nifedipine derivative and the pincer complex is formed. This methodology integrates SAM photolithography (top-down) and molecular recognition directed...

2013
Takayoshi Kuribara Soichiro Kyushin

The molecule in the structure of the title compound, C34H60Si4, lies on a twofold rotation axis that passes through the two Si atoms, resulting in a planar cyclo-tetra-silane ring. The dihedral angle between the cyclo-tetra-silane ring and the phenyl ring is 68.20 (5)°. The Si-Si bonds [2.4404 (8) and 2.4576 (8) Å] are longer than a standard Si-Si bond (2.34 Å) and the C-Si-C bond angle [97.07 ...

2006
Vasilis Fthenakis Chip Carlisle Waikei Chan

The PV industry is one of the fastest growing industries in Europe, the United States, and Japan. As PV manufacturing is scaled-up to meet a growing demand, preserving the safe, environmentally friendly nature of the industry becomes even more important. Silane is one of the inherently dangerous materials used in the deposition of silicon nitride (SiN3) and amorphous silicon (a-Si). In this pap...

1999
J. Kudrna P. Malý I. Pelant J. Meier U. Kroll

We have studied ultrafast dynamics of photoexcited carriers in mc-Si:H by pump and probe laser spectroscopy. We have found that the dynamics of photoexcited carriers in mc-Si:H depend on the crystallinity of the material: in the samples with low crystalline fraction, the dynamics have a fast decay and resemble those in a-Si:H, while in the samples with high crystallinity the dynamics are slower...

Journal: :علوم و تکنولوژی پلیمر 0
علیرضا شاکری تقی طبرسا علیرضا طبری

0

Journal: :Polymers 2021

The main advantages of the use silica instead carbon black in rubber compounds are based on a silane coupling agent. agent to modify surface improves compatibility between and rubber. There two different possibilities modifying by silane: ex-situ in-situ. present work studies differences these processes how they affect in-rubber properties filled SBR compounds.

2012
Pisaisit CHAIJAREENONT Hidekazu TAKAHASHI Norihiro NISHIYAMA Mansuang ARKSORNNUKIT

Recently, there have been many materials used for denture base such as polymethyl methacrylate (PMMA) resin, modifi ed PMMA resin and nylon1,2). The material most often used to fabricate denture base and denture teeth was PMMA resin. PMMA is the most commonly used material due to its good mechanical and physical properties, compatibility with oral tissue, aesthetics, ease of repair and low cost...

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