نتایج جستجو برای: green capping agent

تعداد نتایج: 395248  

Journal: :Nucleic acids research 1991
H Hosaka Y Suzuki H Sato S Gug-Kim H Takaku

Improvement of the new phosphite method for the synthesis of oligodeoxyribonucleotides using the deoxyribonucleoside 3'-bis(1,1,1,3,3,3- hexafluoro-2-propyl) phosphite unit has been carried out via the hydrolysis and capping steps, without any side reaction products. The new phosphite unit and capping agent, bis(1,1,1,3,3,3-hexafluoro-2-propyl)-2-propyl phosphite, is readily activated by N-meth...

2016
Qaisar Maqbool Mudassar Nazar Sania Naz Talib Hussain Nyla Jabeen Rizwan Kausar Sadaf Anwaar Fazal Abbas Tariq Jan

This article reports the green fabrication of cerium oxide nanoparticles (CeO2 NPs) using Olea europaea leaf extract and their applications as effective antimicrobial agents. O. europaea leaf extract functions as a chelating agent for reduction of cerium nitrate. The resulting CeO2 NPs exhibit pure single-face cubic structure, which is examined by X-ray diffraction, with a uniform spherical sha...

Journal: :Saudi journal of biological sciences 2017
Brajesh Kumar Kumari Smita Luis Cumbal Alexis Debut

Green synthesis of nanoparticles using various plant materials opens a new scope for the phytochemist and discourages the use of toxic chemicals. In this article, we report an eco-friendly and low-cost method for the synthesis of silver nanoparticles (AgNPs) using Andean blackberry fruit extracts as both a reducing and capping agent. The green synthesized AgNPs were characterized by various ana...

2017
Manikandan Velu Jeong-Ho Lee Woo-Suk Chang Nanh Lovanh Yool-Jin Park Palaniyappan Jayanthi Velmurugan Palanivel Byung-Taek Oh

Metal nanoparticles obtained from green route are gaining significant prominence as a result of their potential applications in nanomedicine and material engineering. Overall metal nanoparticles studied, silver nanoparticles (AgNPs) clutch prominent place in nanoparticles research field. Herein, we have reported the green synthesis of Saccharum officinarum leaf biomass extract-mediated synthesi...

Journal: :Journal of theoretical biology 1982
K M Rao

In lymphocytes cap formation induced by concanavalin A (con A) was found to be concentration dependent on the mitogen in the presence of colchicine, a microtubule disrupting agent. The dose-respone of cap formation under these conditions was similar to mitogen dose-response. In addition, a direct correlation was found between con A capping induced in the presence of colchicine and mitogenic res...

2009
Jeong Y. Park Hyunjoo Lee Gabor A. Somorjai

We report the catalytic activity of colloid platinum nanoparticles synthesized with different organic capping layers. On the molecular scale, the porous organic layers have open spaces that permit the reactant and product molecules to reach the metal surface. We carried out CO oxidation on several platinum nanoparticle systems capped with various organic molecules to investigate the role of the...

2011
Teodora Stefanescu C. Craciun

Multiple analyses discussed using MTA as direct capping material. These reports have shown that MTA is a promising material for the preservation of pulp tissue when used as a direct capping material. Many clinical studies have demonstrated successful outcomes after the use of MTA as a capping agent on mechanically or cariously exposed pulps. The studies performed by us in this research focused ...

A. Irajizad A. Masoud R. Ghasemzadeh Y. Vahidshad,

CuAlS2  Chalcopyrite  nanocrystalline  are  synthesized  with  facile method.  The  heat  arrested  solvothermal  method  for  synthesize nanocrystalline  were  investigated.  The  time  duration  of  synthesis, temperature of solution and metal salts to solvent molar ratio can be parameters  that we are  studied. The nanoparticles were  synthesized with CuCl, AlCl3 and  thiourea (SC(NH2)2...

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