نتایج جستجو برای: functionalized single

تعداد نتایج: 890866  

This paper investigated the effect of the amine-functionalized carbon nanotubes (CNTs) on the thermomechanical properties of CNT/epoxy nanocomposites. Mechanical stirring and ultra-sonication were utilized to uniformly disperse CNTs into the epoxy matrix. Non-functionalized and amine-functionalized CNTs with different weight percentages (wt. %) were mixed into the epoxy resin. Using standard te...

Journal: :The Analyst 2014
Qichen Cao Cheng Ma Haihong Bai Xianyu Li Hui Yan Yan Zhao Wantao Ying Xiaohong Qian

Among the common approaches for global glycopeptide enrichment, hydrazide chemistry is well recognized. However, conventional hydrazide-functionalized products are composed of a single layer of hydrazide functional groups. Due to the limited specific surface area of such a structure, the loading amount of hydrazide groups immobilized on these materials is restricted. Therefore, these materials ...

2016
Chao Tian Wei Qian Xia Shao Zhixing Xie Xu Cheng Shengchun Liu Qian Cheng Bing Liu Xueding Wang

Detection and imaging of single cancer cells is critical for cancer diagnosis and understanding of cellular dynamics. Photoacoustic imaging (PAI) provides a potential tool for the study of cancer cell dynamics, but faces the challenge that most cancer cells lack sufficient endogenous contrast. Here, a type of colloidal gold nanoparticles (AuNPs) are physically fabricated and are precisely funct...

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2021

A single nickel or cobalt atom anchored pyridyl-functionalized conjugated microporous polymer promoted the photogenerated electron transfer, offering efficient hydrogen evolution performance under visible-light irradiation.

Journal: :Nature communications 2014
Dun-Yen Kang Nicholas A Brunelli G Ipek Yucelen Anandram Venkatasubramanian Ji Zang Johannes Leisen Peter J Hesketh Christopher W Jones Sankar Nair

Internal functionalization of single-walled nanotubes is an attractive, yet difficult challenge in nanotube materials chemistry. Here we report single-walled metal oxide nanotubes with covalently bonded primary amine moieties on their inner wall, synthesized through a one-step approach. Conclusive molecular-level structural information on the amine-functionalized nanotubes is obtained through m...

Journal: :iranian journal of pharmaceutical research 0
saeed irannejad department of physics, university of zanjan, zanjan, iran mohsen amini department of medicinal chemistry, faculty of pharmacy and drug design & development research center, tehran university of medical sciences, tehran, iran mona modanlookordi pharmaceutical sciences research center, mazandaran university of medical sciences, sari, iran mohammad shokrzadeh department of pharmacology & toxocology, pharmaceutical sciences research center, faculty of pharmacy, mazandaran university of medical sciences, sari, iran hamid irannejad department of medicinal chemistry, pharmaceutical sciences research center, faculty of pharmacy, mazandaran university of medical sciences, sari, iran

carbon nanotubes have unique properties like high stability, high surface to mass ratio and so on which make them suitable for medicinal purpose applications. treatment of cancer by organoplatinum agents like cisplatin has become unresponsive in most cases due to low distribution of drug in biological fluids, inability of drug to cross cellular membranes and low stability in biological environm...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2015
hongbo xu dan-dan liu lu he na liu guiling ning

the poly(ethyleneimine)-functionalized silica has been developed successfully as an effective adsorbent for the adsorption removal of cu(ii) ions from electroplating wastewater. the influences of ph, contact time and initial concentration of cu(ii) ions on the adsorption capacity and the effect of adsorbent dosage on the removal efficiency of cu(ii) ions from electroplating wastewater were inve...

Journal: :Small 2009
Owen Loh Robert Lam Mark Chen Nicolaie Moldovan Houjin Huang Dean Ho Horacio D Espinosa

Nanodiamonds are rapidly emerging as promising carriers for next-generation therapeutics and drug delivery. However, developing future nanoscale devices and arrays that harness these nanoparticles will require unrealized spatial control. Furthermore, single-cell in vitro transfection methods lack an instrument that simultaneously offers the advantages of having nanoscale dimensions and control ...

Journal: :journal of nanostructures 2015
d. moslemi s. mortazavi-derazkola s. masoumeh ghoreishi

in this work we synthesized nano hydroxyapatite (hap)  by sol-gel method, then we functionalized hydroxyapatite nanoparticle by use of  3-aminopropyl trimethoxysilane (aptms) , to improve the loading and control release of sulfasalazine drug bonded to aptms. the drug release patterns from sulfasalazine loaded hap nanoparticles at ph value 8 for 6h, sulfasalazine loaded functionalized hap nanopa...

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