Fabrication and Application of Enantioselective TiO2 Nanoflims by Molecular Imprinting

Mizutani, Naoki; Yang, Do-Hyeon; Mitsushita, N.; Lee, SeungWoo; Kunitake, Toyoki

doi:10.1109/icsens.2007.355856

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…The development of alternatives to the synthesis of traditional monolithic polymers has been driven by both practical considerations, for example, ease of scale‐up, requirements for integration with other technologies, such as sensors, and for performance issues, for example, mass transfer or flow properties. Methods for preparation of discrete MIP particles, composites and molecularly imprinted polymer surfaces and fibers are areas that have been gaining in prominence over recent years and now constitute a significant portion of the original literature published in the molecular imprinting field …”

Section: Fundamental Aspectsmentioning

confidence: 99%

Molecular imprinting science and technology: a survey of the literature for the years 2004-2011

2014

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SummaryHerein we present a survey of the literature covering the development of molecular imprinting science and technology over the years 2004 to 2011. In total, 3779 references to the original papers, reviews, edited volumes and monographs from this period are included, along with recently identified uncited materials from prior to 2004 which were omitted in the first instalment of this series covering the years 1930 to 2003. 1 In the presentation of the assembled references, a section presenting reviews and monographs covering the area is followed by sections describing fundamental aspects of molecular imprinting including the development of novel polymer formats. Thereafter, literature describing efforts to apply these polymeric materials to a range of application areas is presented. Current trends and areas of rapid development are discussed.2

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Section: Fundamental Aspectsmentioning

confidence: 99%

Molecular imprinting science and technology: a survey of the literature for the years 2004-2011

2014

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All-in Situ Molecular-Templated Atomic Layer Deposition for Volatile Organic Compound Sensors

Matsuo,

Hosomi,

Liu

et al. 2024

ACS Appl. Nano Mater.

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Molecular-templated atomic layer deposition (ALD) is defined as a deposition process in the presence of target molecules on surfaces. The resulting nanocavities after removal of the template molecules have unique molecular recognition abilities and are promising for various applications, including volatile organic compound sensors. However, few studies have investigated the nanocavity formation process, mainly due to its complexity. In particular, the complicated reconstructions of metal oxide surfaces in solution-phase processes have hindered facile control of the molecular template formation process. Here, we developed a molecular-templated ALD system performed entirely in the gas phase. The key to this system is a QCM chip covered by a metal oxide (ZnO) nanowire array, which amplifies the QCM signals to enable minute amounts of molecular monitoring. The suppression of metal oxide (TiO 2 ) deposition in the ALD low cycle region (less than 20 cycles) was confirmed by QCM, indicating that the molecule significantly affects the formation of metal oxide nanosurfaces. The effect of the template molecule on the nanosurface formation in this region was also suggested by scanning transmission electron microscopy (STEM) and electron energy loss spectroscopy (EELS). Furthermore, the molecular capture ability after removing the template molecule was investigated by exposure to hexanal vapor. The amount of molecular adsorption was dependent on the ALD cycle number, with the highest value obtained near the cycle number, where the template molecule influenced the ALD growth mode. These results suggest that TiO 2 grew around the template molecule to form a nanostructure influenced by the presence of the molecule, enhancing its ability to capture molecules of similar size as the template molecules. The technology developed in this study is expected to pave the way for the development of molecular sensors that can selectively adsorb and detect specific substances in gas mixtures.

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Fabrication and Application of Enantioselective TiO2 Nanoflims by Molecular Imprinting

Cited by 2 publications

References 12 publications

Molecular imprinting science and technology: a survey of the literature for the years 2004-2011

Molecular imprinting science and technology: a survey of the literature for the years 2004-2011

All-in Situ Molecular-Templated Atomic Layer Deposition for Volatile Organic Compound Sensors

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