نتایج جستجو برای: modified sensor

تعداد نتایج: 434693  

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2010
Baocheng Yang Fei Wang Sujuan Guo Baoxian Ye

A multi-wall carbon nanotubes (MWCNTs) composite with Nafion was modified on a glass carbon electrode. The modified electrode was then used as a voltammetric sensor in detecting 2,4,6-triaminopyrimidine (TAP). The surface morphology of the Nafion/MWCNTs composite film was characterized by atomic force microscopy (AFM), and the electrochemical behavior of TAP at this sensor was investigated in d...

2013
XIAO-QIN XIONG KE-JING HUANG CHUN-XUAN XU CHUN-XUE JIN QIU-GE ZHAI

A novel electrochemical sensor poly(taurine)/TiO2-graphene nanocomposite modified glassy carbon electrode (PT/TiO2-Gr/GCE) was fabricated. This sensor was based on an electrochemically polymerized taurine layer on a TiO2-graphene modified glassy carbon electrode. The electrochemical behavior of acetaminophen and caffeine at the modified electrode was studied by cyclic voltammetry and differenti...

Journal: :journal of advances in computer research 0

adequate coverage is one of the main problems for distributed wireless sensor networks and the effectiveness of that highly depends on the sensor deployment scheme. given a finite number of sensors, optimizing the sensor deployment will provide sufficient sensor coverage and save power of sensors for movement to target location to adequate coverage. in this paper, we apply fuzzy logic system to...

2014
N. Samanta A. K. Chanda C. RoyChaudhuri

Most of the existing systems for elderly health monitoring deploy a large number of cognitive sensors including wearable sensors for physiological parameter measurement. Increasing number of sensors not only make the system power consuming and expensive but also intrusive in nature. However, there exists very limited research on power saving algorithms in such systems incorporating customer fri...

Journal: :physical chemistry and electrochemistry 0
elham eslami department of chemistry, kazerun branch, islamic azad university, kazerun, iran fatemeh farjam department of chemistry, marvdasht branch, islamic azad university, marvdasht, iran

we used an effective electrochemical sensor for the determination of imipramine at ph 7.2 using a carbon nanocomposite electrode. the electrode has been designed by incorporation of montmorillonite nanoclay into the carbon ionic liquid electrode. the high sensitivity of 1.714 μa (μm)-1, two linear calibration ranges of 0.1–2 μm and 2-40 μm, and detection limit of 19 nm were achieved. the relati...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده نقشه برداری 1389

پیشرفت های اخیر در زمینه ی سنسور، شبکه و تکنولوژی باعث بوجود آمدن مفهوم جدیدی شده که sensor web نامیده می شود.sensor web مجموعه ای از سنسورهای نامتشابه، هوشمند و توزیع شده در وب می باشد که برای کاوش و جستجوی محیط اطراف به کار می روند. یکی از موارد اساسی تاثیرگذار در تصمیم گیری مدیر بحران، دریافت بر خط داده از سنسور و نیز تعبیر درست از داده های دریافتی می باشد. به طور کلی، جنبه کلیدی مدیریت داده...

2014
MOHSEN KEYVANFARD KHADIJEH ALIZAD

A new sensitive and selective electrochemical sensor was developed for determination of glutathione (GSH) at the surface of carbon paste electrode (CPE) modified with multi-wall carbon nanotubes (MWCNTs) as a sensor and pyrogallol red (PGR) as a mediator. The mechanism of GSH electrochemical behavior at the modified electrode surface was investigated by various electrochemical techniques includ...

Journal: :IEEJ Transactions on Sensors and Micromachines 2002

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