نتایج جستجو برای: mwcnts cooh paste electrode

تعداد نتایج: 79673  

Journal: :physiology and pharmacology 0
parichehr hassanzadeh nanotechnology research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran elham arbabi research center for gastroenterology and liver diseases, shahid beheshti university of medical sciences, tehran, iran fatemeh atyabi nanotechnology research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran rassoul dinarvand nanotechnology research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran

introduction: the therapeutic potential of anandamide (aea) for the neurological disorders may be negatively affected by its short half-life or poor solubility. the superior properties of carbon nanotubes (cnts) for controlled drug delivery, prompted us to design aea-cnts complex and assess its effect in in vitro model of ischemic stroke. methods: in this experimental study, a multi-walled cnts...

Journal: :international journal of nano dimension 0
omid ramezani azghandi department of mechanical engineering, ferdowsi university of mashhad, mashhad, iranسازمان اصلی تایید شده: دانشگاه فردوسی (ferdowsi university) mohammad javad maghrebi department of mechanical engineering, ferdowsi university of mashhad, mashhad, iranسازمان اصلی تایید شده: دانشگاه فردوسی (ferdowsi university) ali reza teymourtash department of mechanical engineering, ferdowsi university of mashhad, mashhad, iranسازمان اصلی تایید شده: دانشگاه فردوسی (ferdowsi university)

in this paper, multi-wall carbon nanotubes (mwcnts), gold nanoparticles (gnp) and glucose oxidase (god) was developed for the specific detection of glucose. mwcnts were chemically modified with the h2so4–hno3 pretreatment to introduce carboxyl groups which were used to interact with the amino groups of poly(allylamine) (paa) and cysteamine via 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide/n-hy...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم 1390

1- بررسی دپروتونه شدن چند دارو در محلول وتثبیت شده روی نانو ذرات mwcnts-cooh ومطالعه ترمودینامیک جذب سطحی آنها 2-- استخراج نقطه ا بری ni2+ با ا ستفاده مشتقی جدید از کاربازون

Introduction: The therapeutic potential of anandamide (AEA) for the neurological disorders may be negatively affected by its short half-life or poor solubility. The superior properties of carbon nanotubes (CNTs) for controlled drug delivery, prompted us to design AEA-CNTs complex and assess its effect in in vitro model of ischemic stroke. Methods: In this experimental study, a multi-walled CNT...

Journal: :Biosensors & bioelectronics 2012
Zhaohong Su Ying Liu Qingji Xie Li Chen Yi Zhang Yue Meng Yan Li Yingchun Fu Ming Ma Shouzhuo Yao

We report on the thiol-ene chemistry guided preparation of novel thiolated polymeric nanocomposite films of abundant anionic carboxylic groups for electrostatic enrichment and sensitive electroanalysis of cationic dopamine (DA) in neutral solution. Briefly, the thiol-ene nucleophilic reaction of a carboxylated thiol with oxidized polypyrrole (PPy), which was electrosynthesized on an Au electrod...

Journal: :Nanoscale 2015
Jayaraman Balamurugan Arumugam Pandurangan Nam Hoon Kim Joong Hee Lee

A novel hard templating strategy for the synthesis of high quality multi-walled carbon nanotubes (MWCNTs) with a uniform diameter was developed. MWCNTs were successfully synthesized through chemical vapour deposition (CVD) using acetylene by employing 3D bicontinuous mesoporous silica (KIT-6) as a hard template and used as the counter electrode in dye-sensitized solar cells (DSSCs). Here, we re...

Journal: :Biosensors & bioelectronics 2011
Shiang-Jie Yen Wei-Lun Hsu Yung-Chan Chen Huan-Chieh Su Yen-Chung Chang Hsin Chen Shih-Rung Yeh Tri-Rung Yew

This paper reports the success of amino-functionalization on multi-walled carbon nanotubes (MWCNTs) to promote neuronal cells growth on MWCNT electrode for extracellular recording, attributed to the formation of positive charge of NH(2) molecules on their surfaces. Besides, the surface of MWCNT electrode becomes hydrophilic after amino-functionalization (AF-MWCNTs) which can enhance electrical ...

2009
S. P. Shah

This research investigates changes in the nanostructure and the nanoscale local mechanical properties of cement paste with microand nano-modifiers. Silica fume and multiwall carbon nanotubes (MWCNTs) were used as microand nano-modifiers. An effective method of dispersing CNTs in cement matrix was developed. A detailed study on the effects of CNTs concentration and aspect ratio on the fracture p...

2011
Jan Prasek Dalibor Huska Ondrej Jasek Lenka Zajickova Libuse Trnkova Vojtech Adam Rene Kizek Jaromir Hubalek

The first aim of this study was to fabricate vertically aligned multiwalled carbon nanotubes (MWCNTs). MWCNTs were successfully prepared by using plasma enhanced chemical vapour deposition. Further, three carbon composite electrodes with different content of carbon particles with various shapes and sizes were prepared and tested on measuring of nucleic acids. The dependences of adenine peak hei...

Journal: :analytical and bioanalytical chemistry research 0
biuck habibi electroanalytical chemistry laboratory, department of chemistry, faculty of sciences, azarbaijan shahid madani university, tabriz 53714-161, iran zahra ayazi electroanalytical chemistry laboratory, department of chemistry, faculty of sciences, azarbaijan shahid madani university, tabriz 53714-161, iran maryam dadkhah electroanalytical chemistry laboratory, department of chemistry, faculty of sciences, azarbaijan shahid madani university, tabriz 53714-161, iran

in the present work, an efficient modified carbon-ceramic electrode by multi-walled carbon nanotubes/ionic liquid nanocomposite (mwcnts/il/cce) was prepared through a simple and repeatable procedure. the introduced modified electrode was used for the study of the electrochemical behaviour and determination of tryptophan (trp) in the presence of uric acid (ua) using cyclic voltammetry (cv), diff...

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