نتایج جستجو برای: functionalized single

تعداد نتایج: 890866  

Journal: :Journal of the American Chemical Society 2005
Kumaran Ramanathan Mangesh A Bangar Minhee Yun Wilfred Chen Nosang V Myung Ashok Mulchandani

A simple, one-step method for fabricating single biologically functionalized conducting-polymer (polypyrrole) nanowire on prepatterned electrodes and its application to biosensing was demonstrated. The biologically functionalized polypyrrole was formed by the electropolymerization of an aqueous solution of pyrrole monomer and the model biomolecule, avidin- or streptavidin-conjugated ZnSe/CdSe q...

Journal: :Dalton transactions 2015
Junkuo Gao Jianwei Miao Yongxin Li Rakesh Ganguly Yang Zhao Ovadia Lev Bin Liu Qichun Zhang

A simple and facile one-step method for the synthesis of an organic dye-functionalized polyoxometalate (POM) hybrid with visible-light photo-response was reported. The POM hybrid was fully characterized via single crystal XRD, powder XRD, FTIR and elemental analysis. The reaction of the organic dye with inorganic salts gave the dye-functionalized POM (MoBB3), in which the POM cluster was formed...

Journal: :Journal of biomedical optics 2009
Liangzhong Xiang Yi Yuan Da Xing Zhongmin Ou Sihua Yang Feifan Zhou

Single-walled carbon nanotubes (SWNT) in a poly(ethylene)ghycol solution are a biocompatible transporters with strong optical absorption in the near-infrared region, in which the biological tissue is almost transparent with very low absorbance. Here, antibody-functionalized SWNTs for tumor early detection with photoacoustic molecular imaging in vivo are reported. To lay the groundwork for this ...

FeCl3.6H2O was used as an efficient catalyst for the synthesis of highly functionalized piperidines via a one-pot five-component reaction of aromatic amines, aromatic aldehydes and β-keto esters in EtOH at room temperature. The remarkable advantages offered by this method are good yields, simple procedure, short reaction times, no need to column chromatography and easy work-up. The structures o...

Journal: :Chemical communications 2009
Sai Bi Hong Zhou Shusheng Zhang

A signal amplification strategy based on bio-bar-code functionalized magnetic nanoparticles as labels holds promise to improve the sensitivity and detection limit of the detection of DNA hybridization and single-nucleotide polymorphisms by flow injection chemiluminescence assays.

Journal: :Chemical communications 2010
Jae-Hong Kim Hyun Hye Jang Sang-Mi Ryou Sudeok Kim Jeehyeon Bae Kangseok Lee Min Su Han

In this study, single-stranded DNA functionalized gold nanoparticles (AuNP GDS) were proved to be efficient gene delivery systems for oligo antisense DNAs specific to any gene of interest without affecting normal cell physiology.

Journal: :Chemical communications 2015
Alejandro Latorre-Sanchez Jose A Pomposo

Formation of gold nanoparticles in aqueous ethanol in the presence of pyridine-functionalized single-chain nanoparticles allows for the fast and highly sensitive colorimetric detection of zein corn protein.

Journal: :Chemical communications 2011
G Rajeshwar Reddy T Ram Reddy Suju C Joseph K Sateesh Reddy L Srinivasula Reddy P Mahesh Kumar G Rama Krishna C Malla Reddy D Rambabu Ravikumar Kapavarapu Chandana Lakshmi Teja Meda K Krishna Priya Kishore V L Parsa Manojit Pal

A sequential Pd-mediated multi-component reaction followed by Suzuki or Heck or Sonogashira coupling in a single pot has been developed for the synthesis of functionalized pyrroles as potential inhibitors of PDE4.

Journal: :ACS nano 2014
Peng Xu Lifeng Dong Mehdi Neek-Amal Matthew L Ackerman Jianhua Yu Steven D Barber James Kevin Schoelz Dejun Qi Fangfang Xu Paul M Thibado Francois M Peeters

Freestanding graphene membranes were successfully functionalized with platinum nanoparticles (Pt NPs). High-resolution transmission electron microscopy revealed a homogeneous distribution of single-crystal Pt NPs that tend to exhibit a preferred orientation. Unexpectedly, the NPs were also found to be partially exposed to the vacuum with the top Pt surface raised above the graphene substrate, a...

2012
Wei Zhang Cheng wei Wu Yee Yuan Tan Ravi P. Silva

Single walled carbon nanotubes are dispersed in water and attached to nylon fabric by a simple immersing-drying procedure, which is evidenced by data obtained using Raman spectroscopy, scanning electron microscopy and transmission electron microscopy. Thermalgravimetric analysis reveals the temperature at which the functionalized nylon fabric reaches its maximum weight loss rate increases about...

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