Forthcoming articles

 


International Journal of Nanotechnology

 

These articles have been peer-reviewed and accepted for publication in IJNT, but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

 

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International Journal of Nanotechnology (5 papers in press)

 

Regular Issues

 

  • Fabrication of super hydrophobic duo-structures
    by X.Y. Zhang 
    Keywords: .

  • Synthesis of zinc oxide/graphene oxide nanocomposite material for antibacterial application
    by Le Thanh Trinh, Le Anh Bao Quynh, Nguyen Huu Hieu 
    Abstract: In this study, graphene oxide (GO) was prepared by a modified Hummers method and ZnO/GO was synthesised by coprecipitation. The structural and morphological properties of ZnO/GO nanocomposite were characterised by using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM), BrunauerEmmettTeller (BET) method, and Raman spectroscopy. The characterisation results show that ZnO nanoparticles with a mean size of 1426 nm were synthesised and randomly decorated on the surfaces and edges of GO sheets. In addition, the antimicrobial activities of GO and ZnO/GO were tested against bacteria Escherichia coli (E. coli). The test results reveal that the antibacterial activity at low loading of the ZnO/GO nanocomposite was higher than that of GO on E. coli.
    Keywords: zinc oxide; graphene oxide; nanocomposite; antibacterial; E. coli.

  • Fluidic platform with embedded differential capacitively coupled contactless conductivity detector for micro-object sensing
    by Loc Quang Do, Tung Thanh Bui, Ha Thuy Thi Tran, Katsuya Kikuchi, Masahiro Aoyagi, Trinh Chu Duc 
    Abstract: In this paper, we present a microfluidic platform with differential capacitively coupled contactless conductivity detection (DC4D) technique for microparticle detection. The microfluidic platform is formed by bonding PDMS channel to glass substrate. The proposed microfluidic sensor embedded in the microchannel consists of three adjacent electrodes. These electrodes are arranged to form differential coplanar capacitor structures to provide high sensitivity. The differential capacitance is changed when a microsized object crosses the sensing area in the microfluidic channel. This microfluidic system with the novel sensing design based on DC4D technique provides a platform for detection the presence of an object as well as its electrical property.
    Keywords: microfluidic platform; cell detection; capacitive sensing.

  • One-step hydrothermal synthesis of titanium dioxide-decorated on reduced graphene oxide for dye-sensitised solar cells application
    by Foo Wah Low, Chin Wei Lai, Sharifah Bee Abd Hamid 
    Abstract: Dye-sensitised solar cells (DSSCs) are one of the promising prospects for efficient renewable resources. To bring DSSCs to the point of commercial readiness and viability in terms of performance and cost, substantial research on the development of high efficient DSSCs system is necessary. Our recent studies have indicated that a maximum conductivity of 29.1 μS/cm and conversion efficiency of 4.76% under 1.5 AM condition was successfully achieved from 0.2 wt% TiO2 loaded on reduced graphene oxide (rGO) forming a nanocomposite film, which is approximately twice or triple times higher than that of pure rGO nanosheets and anatase TiO2 film. The findings were mainly attributed to the fact that rGO nanosheets could further increase the photo-induced electrons transportation rate and minimise the recombination losses within the TiO2 lattice in this binary hybrid photoelectrode.
    Keywords: reduced graphene oxide; rGO; titanium dioxide (TiO2); rGO-TiO2 nanocomposite; dye-sensitised solar cells; DSSCs.

  • 3D laser lithographic fabrication of hollow microneedle mimicking mosquito and its characterization
    by Masato Suzuki, Tomokazu Takahashi, Seiji Aoyagi 
    Abstract: Microneedles mimicking mosquito were fabricated by employing a three-dimensional laser lithography. An ultra-precision three-dimensional laser lithography system Nanoscribe GT is employed. Based on two-photon absorption phenomenon, an extremely small space of less than 200 nm in the photocurable polymer material is cross-linked, where a laser beam is focused on. The total cross-linked space finally emerges after development process. First a bundled needle comprising three parts was fabricated, which imitates central hollow labrum of sucking blood, and two side solid maxillae having jagged edges. Second, a practical needle of comprising two parts was proposed and fabricated. The functions of three-piece mosquitos proboscis (one labrum and two maxillae) are integrated to two parts. Each half-needle has semi-circular channel and jagged edges. By combining the two-halves, one hollow microneedle is realized. Alternative motion like mosquito maxillae is possible. Fluid is introduced into the channel through small holes in the wall, and is drawn up by capillary force. Reduction in number of microneedles simplifies both fabrication process and drive system for puncturing. It was experimentally confirmed that the needle successfully penetrates PDMS skin. The effectiveness of alternative motion of two parts with 90 deg phase to each other was also investigated.
    Keywords: Microfabrication; three-dimensional fabrication; rapid prototyping; microneedle; low invasive treatment; stiffness test; insertion test; blood sampling test.