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Carbon nanotube

Tìm thấy 20+ kết quả cho từ khóa "Carbon nanotube"

Electrochemistry of 2,6-diaminopurine on multiwall carbon nanotube modified glassy carbon electrode

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Electrochemistry of 2,6-diaminopurine on multiwall carbon nanotube modified glassy carbon electrode. Abstract: The electrochemical oxidation of 2,6-diaminopurine (2,6-DAP) was studied in pH 7.4 phosphate buffer solution on multiwall carbon nanotube modified glassy carbon electrode (MWCNT/GCE) over a temperature range of 20 to 50 ◦ C using cyclic voltammetry. 2,6-DAP oxidation on MWCNT/GCE showed a well-defined and irreversible oxidation peak at about 0.72 V vs.

Molecular dynamics simulations of adsorption of long pyrene-PEG chains on a thin carbon nanotube

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Influence of chirality on the interfacial bonding characteristics of carbon nanotube polymer composites. https://doi.org/10.1016/j.physe . doi: 10.1021/jp8059344. doi: 10.1021/jp501559x. doi: 10.1021/jp501672t. doi: 10.1021/jp4093749. doi: 10.1021/jp908001d 20. doi: 10.1038/srep30310. doi: 10.1021/ol0349514. doi: 10.1021/jo035589+. Aromaticity of carbon nanotubes. doi: 10.1021/ci600504r. doi: 10.1039/c1cp20672a 25. doi: 10.1021/ar500168b.

Metal nanoparticles/carbon nanotube modified electrodes for voltammetric determination of boron

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Metal nanoparticles/carbon nanotube modified electrodes for voltammetric determination of boron. Abstract: This study describes a sensitive and accurate voltammetric method for determination of boron using metal nanoparticles/carbon nanotube modified electrodes. The oxidation peak of Alizarin Red S (ARS) at –0.59 V in the boron- ARS complex formed in ammonium/ammonia buffer solution (pH 8.5) was evaluated as a response.

Excellent piezoresistivity of composites made from networked carbon nanotubes and polydimethylsiloxane: An intertube barrier driven strain sensing

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Ajayan, Continuous carbon nanotube reinforced composites, Nano Lett. Fukunaga, Investigation on sensitivity of a polymer/carbon nanotube composite strain sensor, Carbon e687.. Smalley, Conductivity enhancement in single-walled carbon nanotube bundles doped with K and Br, Nature e257.. Hsu, Capacitive carbon nanotube networks in polymer composites, Appl. Chen, Circuit elements in carbon nanotube-polymer composites, Carbon e1712..

Voltammetric determination of phenmedipham herbicide using a multiwalled carbon nanotube paste electrode

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Voltammetric determination of phenmedipham herbicide using a multiwalled carbon nanotube paste electrode. Abstract: Phenmedipham is an herbicide used especially in the sugar beet harvest to fight against broad-leaved weeds and studies of its voltammetric behavior and detection have not been done before.

Vibration of sandwich beams reinforced by carbon nanotubes under a moving load

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A parametric study is carried out to highlight the effects of carbon nanotube volume fraction, the type of carbon nanotube distribution, the beam geometry and moving load velocity on dynamic behavior of the sandwich beams.. FG-CNTRC SANDWICH BEAM.

Multiwall carbon nanotube paste electrode as a sensor for sensitive determination of deferasirox in the presence of uric acid: Application for the analysis of pharmaceutical and biological samples

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Multiwall carbon nanotube paste electrode as a sensor for sensitive determination of deferasirox in the presence of uric acid: application for the analysis of. Abstract: In this work, the electrochemical oxidation of deferasirox at a multiwall carbon nanotube paste electrode (MWCNTPE) was described.

Electrochemical monitoring of the interaction between mitomycin C and DNA at chitosan–carbon nanotube composite modified electrodes

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Electrochemical monitoring of the interaction between mitomycin C and DNA at chitosan–carbon nanotube composite modified electrodes. The oxidation signals of MC and guanine were monitored before and after the interaction process by differential pulse voltammetry (DPV).

Mô phỏng đặc trưng cơ học vật liệu Nanocomposite nền polymer cốt carbon nanotubes

000000254134.pdf

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Tác giả Nguyễn Danh Trƣờng iv Danh mục các ký hiệu, các chữ viết tắt CNT: Carbon NanoTubes CVD : Chemical Vapour Deposition EC : Mô đun đàn hồi của vật liệu Carbon nanotube Em : Mô đun đàn hồi của vật liệu nền (polymer) Ez : Mô đun đàn hồi của vật liệu composite MWCNT: Mutil-Walled Carbon NanoTubes RVE: Representative Volume Element SWCNT: Single-Walled Carbon NanoTubes vm: Hệ số poát xông của vật liệu nền (polymer) vc: Hệ số poát xông của vật liệu Carbon nanotube VCNT : Tỷ lệ phần trăm thể tích

Fabrication and characterization of enhanced hydrazine electrochemical sensor based on gold nanoparticles decorated on the vanadium oxide, ruthenium oxide nanomaterials, and carbon nanotubes composites

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In this study, Au nanoparticles (AuNPs) mixed-valence ruthenium and vanadium oxide (VOx-RuOx) films were fabricated on the carbon nanotube (CNT) modified glassy carbon electrode for the sensitive determination of hydrazine.. This sensor platform is used for the first time in the literature for the determination of hydrazine.

Preparation of a lead sensor based on porous multiwalled carbon nanotubes/thiolated chitosan composite materials

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In this paper, chitosan/chitosan–thioglycolic acid/multiwalled carbon nanotube composites were prepared and were used to modify an indium tin oxide (ITO) glass electrode to detect Pb 2. Chitosan (CS), 1–ethyl–3–(3–. Preparation of CS/CS–TGA/MWCNTs composite. Appropriate amounts of EDC and NHS were added to CS–HCl solution under stirring. Then thioglycolic acids were added to the solution to adjust pH to 5. Preparation of CS/CS–TGA/MWCNTs/ITO electrode.

Multiwall carbon nanotube-supported molybdenum catalysts for ammonia decomposition reaction under microwave effect

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To date, various carbonaceous materials have been utilized as support materials in the preparation of catalysts for COx-free hydrogen from ammonia, run in conventionally heated systems, such as carbon nanotubes (CNTs) [7,21], carbon fibers [22], ordered mesoporous carbon (CMK-5) [23], porous carbon [24], and graphitized carbon [5]. carbon sources, namely, mesoporous carbon and carbon fiber, were used in the preparation of transition metal-incorporated catalysts.

Stability improvement by crosslinking of previously immobilized glucose oxidase on carbon nanotube-based bioanode

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Initially, glucose oxidase was immobilized by aldehyde groups on the electrode that was developed using ferrocenecarboxaldehyde, polyethyleneimine, multiwall carbon nanotubes, and carbon cloth for biofuel cell applications. The glucose oxidase half-life was extended by more than 4 times, from 27.2 to 124.7 h, after the electrode was crosslinked.

CƠ SỞ LÝ THUYẾT CỦA VIỆC LỰA CHỌN XÚC TÁC CHO QUÁ TRÌNH TỔNG HỢP VẬT LIỆU NANO CARBON DẠNG ỐNG VÀ SỢI (CNT VÀ CNF) BẰNG PHƯƠNG PHÁP KẾT TỤ HÓA HỌC TRONG PHA HƠI (CVD) THEORETICAL BASIS OF THE CATALYST CHOICES FOR THE SYNTHESIS OF THE CARBON NANO TUBE (CNT) AND THE CARBON NANO FIBRE (CNF) BY THE C...

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Model of carbon nanotube growth through chemical vapor deposition

CƠ SỞ LÝ THUYẾT CỦA VIỆC LỰA CHỌN XÚC TÁC CHO QUÁ TRÌNH TỔNG HỢP VẬT LIỆU NANO CARBON DẠNG ỐNG VÀ SỢI (CNT VÀ CNF) BẰNG PHƯƠNG PHÁP KẾT TỤ HÓA HỌC TRONG PHA HƠI (CVD) THEORETICAL BASIS OF THE CATALYST CHOICES FOR THE SYNTHESIS OF THE CARBON NANO TUBE (CNT) AND THE CARBON NANO FIBRE (CNF) BY THE C...

www.academia.edu

Model of carbon nanotube growth through chemical vapor deposition

Cơ Sở Lý Thuyết Của Việc Lựa Chọn Xúc Tác Cho Quá Trình Tổng Hợp Vật Liệu Nano Carbon Dạng Ống Và Sợi (CNT Và CNF) Bằng Phương Pháp Kết Tụ Hóa Học Trong Pha Hơi (CVD) Theoretical Basis of the Catalyst Choices for the Synthesis of the Carbon Nano Tube (CNT) and the Carbon Nano Fibre (CNF) by the C...

www.academia.edu

Model of carbon nanotube growth through chemical vapor deposition

CƠ SỞ LÝ THUYẾT CỦA VIỆC LỰA CHỌN XÚC TÁC CHO QUÁ TRÌNH TỔNG HỢP VẬT LIỆU NANO CARBON DẠNG ỐNG VÀ SỢI (CNT VÀ CNF) BẰNG PHƯƠNG PHÁP KẾT TỤ HÓA HỌC TRONG PHA HƠI (CVD) THEORETICAL BASIS OF THE CATALYST CHOICES FOR THE SYNTHESIS OF THE CARBON NANO TUBE (CNT) AND THE CARBON NANO FIBRE (CNF) BY THE C...

www.academia.edu

Model of carbon nanotube growth through chemical vapor deposition

Nghiên cứu cấu trúc của ống nano carbon dưới tác động của các loại bức xạ năng lượng cao định hướng ứng dụng trong môi trường vũ trụ

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Hofman (2007), “The big picture of raman scattering in carbon nanotubes. Nguyen Duc Dung, Nguyen Van Chuc, Ngo Thi Thanh Tam, Nguyen Hong Quang, Phan Hong Khoi, Phan Ngoc Minh (2008), “Carbon-Nanotube Growth over Iron Nanoparticles Formed on CaCO 3 Support by Using Hydrogen Reduction”, Journal of the Korean Physical Society, 52, pp.1372-1377..

Cảm biến sinh học trên cơ sở transistor hiệu ứng trường (FET) sử dụng ống nano carbon

277017.pdf

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APTS 4 BSA Bovine serum albumin Albumin huyt thanh bò 5 CNTs Carbon nanotubes ng nano carbon 6 CVD Chemical vapour deposition Lng đng hoá pha hi 7 COOH Carboxyl Nhóm chc cacboxylic 8 CNTFETs Field effect transistor based on carbon nanotube Transistor hiệu ng trng trên c s ống nano carbon 9 DMF Dimethylformamide Cht DMF 10 D Drain Cc máng 11 EDC 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride Cht EDC 12 ELISA Enzyme linked immuno sorbent assay Thử nghiệm hp ph min dch

APhO 2018 Đề lý thyết 2 - lời giải

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Young’s modulus of the carbon nanotube. Denote d the diameter of the carbon nanotube, one has d  27. 0.5pt Tensile strength of the carbon nanotube, 0 x max / 2 171GPa.. contains 18 carbon atoms, therefore the density of the. where g  GM R / 2 is gravitational acceleration at the Earth surface. replacing A R  G  h  from the 0.5 3 /2 a. In order to launch an object, the upper end of the tower must locate above the distance r C.