Nanobioarchitectures based on chlorophyll photopigment, artificial lipid bilayers and carbon nanotubes

• Marcela Elisabeta Barbinta-Patrascu,
• Stefan Marian Iordache,
• Ana Maria Iordache,
• Nicoleta Badea and
• Camelia Ungureanu

Beilstein J. Nanotechnol. 2014, 5, 2316–2325, doi:10.3762/bjnano.5.240

• structures with single-walled carbon nanotubes. Different biophysical methods were employed to characterize these biohybrids such as: UV–vis absorption and emission spectroscopy, zeta potential measurements, AFM and chemiluminescence techniques. The designed, carbon-based biohybrids exhibited good physical

• single-walled carbon nanotubes (f-SWCNTs, 0.05 mg/mL) internalized inside hamster ovary cells without toxicity. Immature dendritic cells incubated with doses of SWCNTs up to 100 μg/mL had no effect on their functionality and viability [13]. Many scientific papers report that oral administration of both

Electrical contacts to individual SWCNTs: A review

• Wei Liu,
• Christofer Hierold and
• Miroslav Haluska

Beilstein J. Nanotechnol. 2014, 5, 2202–2215, doi:10.3762/bjnano.5.229

• challenges for widespread application of CNFETs are additionally discussed. Keywords: charge carrier transport; CNFET; electrical contact; metal–SWCNT interface; SWCNT; Review Introduction The unique crystalline and electronic structure of single-walled carbon nanotubes (SWCNTs) afford extraordinary

• Wei Liu Christofer Hierold Miroslav Haluska Micro and Nanosystems, Department of Mechanical and Process Engineering, ETH Zurich, CH-8092 Zurich, Switzerland 10.3762/bjnano.5.229 Abstract Owing to their superior electrical characteristics, nanometer dimensions and definable lengths, single-walled

• carbon nanotubes (SWCNTs) are considered as one of the most promising materials for various types of nanodevices. Additionally, they can be used as either passive or active elements. To be integrated into circuitry or devices, they are typically connected with metal leads to provide electrical contacts

Advances in NO₂ sensing with individual single-walled carbon nanotube transistors

• Kiran Chikkadi,
• Matthias Muoth,
• Cosmin Roman,
• Miroslav Haluska and
• Christofer Hierold

Beilstein J. Nanotechnol. 2014, 5, 2179–2191, doi:10.3762/bjnano.5.227

• nanotube properties into functional ultra-low power, highly sensitive gas sensors. Keywords: carbon nanotube field-effect transistors (CNFETs); cross-sensitivity; functionalization; gas sensors; hysteresis; low power; selectivity; self-heating; single walled carbon nanotubes; Introduction New materials

• the theoretical and experimental achievements of the past few years in understanding the interaction of individual, single-walled carbon nanotubes with their environment. First, a summary of the effects of adsorbate molecules on electronic transport is presented, after which the effect of nearby

• individual single-walled carbon nanotubes for NO2 sensing. Review Individual-nanotube transistors for gas sensing The typical individual-SWNT gas sensor is a 3-terminal device, in which the nanotube is contacted by a source and a drain electrode and a current flowing through it is measured. Depending on the

Sequence-dependent electrical response of ssDNA-decorated carbon nanotube, field-effect transistors to dopamine

• Hari Krishna Salila Vijayalal Mohan,
• Jianing An and
• Lianxi Zheng

Beilstein J. Nanotechnol. 2014, 5, 2113–2121, doi:10.3762/bjnano.5.220

• : carbon nanotube; deoxyribonucleic acid; dopamine; field-effect transistor; uric acid; Introduction Single-walled carbon nanotubes (SWCNTs) are excellent chemical/biological sensing materials because of their ultra-high sensitivity, fast response, and size compatibility, as compared to traditional

Effect of channel length on the electrical response of carbon nanotube field-effect transistors to deoxyribonucleic acid hybridization

• Hari Krishna Salila Vijayalal Mohan,
• Jianing An,
• Yani Zhang,
• Chee How Wong and
• Lianxi Zheng

Beilstein J. Nanotechnol. 2014, 5, 2081–2091, doi:10.3762/bjnano.5.217

• those shortcomings. Therefore, attention has shifted towards the use of nanowires and nanotubes for cost-effective, sequence-selective and label-free electrical detection without the use of the PCR for rapid measurement [7]. Semiconducting single-walled carbon nanotubes (SWCNTs) are excellent one

Chemi- vs physisorption in the radical functionalization of single-walled carbon nanotubes under microwaves

• Victor Mamane,
• Guillaume Mercier,
• Junidah Abdul Shukor,
• Jérôme Gleize,
• Aziz Azizan,
• Yves Fort and
• Brigitte Vigolo

Beilstein J. Nanotechnol. 2014, 5, 537–545, doi:10.3762/bjnano.5.63

• the functionalization of single-walled carbon nanotubes (SWNTs) by the diazonium method was studied. The usage of a new approach led to the identification of the strength of the interaction (physical or chemical) between the functional groups and the carbon nanotube surface. Moreover, the nature

• grafted functions. Experimental Reagents. Single-walled carbon nanotubes (SWNTs) were obtained by means of a home-made reactor using conventional experimental conditions [37]. SWNTs are used without any purification process because common purification treatments may introduce additional defects on the

Functionalization of vertically aligned carbon nanotubes

• Eloise Van Hooijdonk,
• Carla Bittencourt,
• Rony Snyders and
• Jean-François Colomer

Beilstein J. Nanotechnol. 2013, 4, 129–152, doi:10.3762/bjnano.4.14

• encased one in another in a coaxial way and are called multiwalled carbon nanotubes (MWCNTs) [1], or they consist of a single layer and are categorized as single-walled carbon nanotubes (SWCNTs) [2]. SWCNTs are generally assembled in two-dimensional, compact, wide ropes called bundles [3]. The structure

Influence of the diameter of single-walled carbon nanotube bundles on the optoelectronic performance of dry-deposited thin films

• Kimmo Mustonen,
• Toma Susi,
• Antti Kaskela,
• Patrik Laiho,
• Ying Tian,
• Albert G. Nasibulin and
• Esko I. Kauppinen

Beilstein J. Nanotechnol. 2012, 3, 692–702, doi:10.3762/bjnano.3.79

• performance of thin films of single-walled carbon nanotubes (SWCNTs) was studied with respect to the properties of both individual nanotubes and their bundles. The SWCNTs were synthesized in a hot wire generator aerosol reactor, collected by gas filtration and dry-transferred onto various substrates. By thus

• : bundle diameter; sheet resistance; SWCNT; thin film; transmittance; Introduction Single-walled carbon nanotubes (SWCNT) offer great application potential in future electronics, such as micro-electromechanical devices [1], sensors [2][3], transparent electrodes [4][5][6], thin-film field-effect

Conducting composite materials from the biopolymer kappa-carrageenan and carbon nanotubes

• Ali Aldalbahi,
• Jin Chu,
• Peter Feng and
• Marc in het Panhuis

Beilstein J. Nanotechnol. 2012, 3, 415–427, doi:10.3762/bjnano.3.48

• nanotubes (MWNTs) produced by catalytic chemical vapour deposition were obtained from Nanocyl S.A. (Belgium, lot # 090901). Single-walled carbon nanotubes (SWNTs), produced by high-pressure decomposition of carbon monoxide (HiPCO process), were purchased from Unidym Inc. (USA, lot # P0348). Glycerin was

Glassy carbon electrodes modified with multiwalled carbon nanotubes for the determination of ascorbic acid by square-wave voltammetry

• Sushil Kumar and
• Victoria Vicente-Beckett

Beilstein J. Nanotechnol. 2012, 3, 388–396, doi:10.3762/bjnano.3.45

• , consistent with the observation of Fei et al. [15], who used CV at a GCE modified with a composite film of single-walled carbon nanotubes and dihexadecyl hydrogen phosphate for the determination of ascorbic acid concentration and reported a negative shift of up to 468 mV. Table 1 shows that the calibration

How to remove the influence of trace water from the absorption spectra of SWNTs dispersed in ionic liquids

• Juan Yang,
• Daqi Zhang and
• Yan Li

Beilstein J. Nanotechnol. 2011, 2, 653–658, doi:10.3762/bjnano.2.69

• , China 10.3762/bjnano.2.69 Abstract Single-walled carbon nanotubes (SWNTs) can be efficiently dispersed in the imidazolium-based ionic liquids (ILs), at relatively high concentration, with their intrinsic structure and properties retained. Due to the hygroscopicity of the ILs, water bands may be

• spectrum. This result makes it more convenient to characterize SWNTs with absorption spectra in the IL-dispersion system, even in the presence of trace amount of water. Keywords: absorption spectra; ionic liquids; quantitative analysis; single-walled carbon nanotubes; Introduction The so-called room

• electrochemistry [4][5], and chemical reactions and separations [6][7][8][9]. In 2003, Fukushima et al. [10] found that by mixing together and mechanically grinding the single-walled carbon nanotubes with imidazolium-based ILs, a thermally stable bucky gel can be formed with SWNTs untangled from the heavily

Dynamics of capillary infiltration of liquids into a highly aligned multi-walled carbon nanotube film

• Sławomir Boncel,
• Krzysztof Z. Walczak and
• Krzysztof K. K. Koziol

Beilstein J. Nanotechnol. 2011, 2, 311–317, doi:10.3762/bjnano.2.36

• solubility parameters), respectively [31]. The Hildebrand solubility parameter for single-walled carbon nanotubes was estimated by plotting the nanotube dispersibility as a function of the Hansen solubility parameters for the solvents that were capable of infiltration. These solvents occupied a well-defined