Fundamental studies on an electrostatic ink jet printer. 1st report Electrostatic drop formation.

幸雄, 富田; 幸男, 石橋; 俊雄, 横山

doi:10.1299/kikaib.52.1215

Cited by 2 publications

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“…Because of potential clinical applications and heightened biothreat concerns in recent decades, there is an increasing interest in developing SERS substrates for rapid detection and identification of whole bacterial cell with species and strain specificity. 35 Given the distinctive distance dependence of field enhancement, SERS probes secreted molecules and metabolites as well as the components of the outer layer of bacterial cells, which provide great chemical selectivity. 45,46 Thus, in principle, SERS can enhance both sensitivity and specificity of bacterial identification, which makes it a promising tool for bacterial diagnostics.…”

Section: Fabrication Of Ag Cylindrical Nanotroughmentioning

confidence: 99%

Plasmonic Nanotrough Networks for Scalable Bacterial Raman Biosensing

Zhang

Yan

Reinhard

et al. 2018

ACS Appl. Mater. Interfaces

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We demonstrate a novel approach for fabricating surface enhanced Raman scattering (SERS) substrates for single bacterial biosensing based on Ag cylindrical nanotrough networks (CNNs). This approach is developed with large scalability by leveraging a cellulose nanofiber template fabrication via facile electrospinning. Specifically, a concave nanotrough structure consisting of interconnected concave Ag nanoshells is demonstrated by depositing a thin layer of Ag atop a sacrificial electrospun nanofiber template and then completely removing the cellulose core in water. Our investigations of the scattering properties and SERS performances of single isolated Ag nanotroughs of different diameters reveal that nanotrough-based substrates provide tunable optical responses and enhanced SERS intensities. Further, Ag CNNs are fabricated in highly interconnected networks that yield reproducible SERS signals for molecular monolayers and whole bacterial cells, enabling rapid spectral discrimination between different bacterial strains. Finally, by performing principal component analysis on a large number of measured SERS spectra (40 spectra per bacterium), we demonstrate successful spectral discrimination between two types of Escherichia coli ( E. coli) bacteria, that is, E. coli K12 with its derivative E. coli DH 5α and E. coli BL21(DE3). The demonstrated cost-effective substrates feature several advantages over conventional SERS substrates including environmentally friendly and scalable fabrication compatible with versatile devices and provide an alternative approach to rapid SERS detection and screening of biochemicals.

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Section: Fabrication Of Ag Cylindrical Nanotroughmentioning

confidence: 99%

Plasmonic Nanotrough Networks for Scalable Bacterial Raman Biosensing

Zhang

Yan

Reinhard

et al. 2018

ACS Appl. Mater. Interfaces

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“…Рэлей в классической работе [1]. Интерес к рассматриваемой проблеме вновь усилился в 1980-1990-х годах, когда одновременно возникло несколько научных и технических направлений, которые прямо или косвенно были связаны именно с этой задачей, в частности при разработке принтеров каплеструйной печати [2]. В это же время появились экспериментальные работы, в которых была предложена новая модель свечения электродиспергированных капель («Огни св.…”

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The spectrum of charged drop electrocapillarity fluctuations

Алиев¹

2013

EJSI

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Рассмотрены задачи о поверхностных гравитационных и электрокапиллярных колебаниях сильно заряженной сферической капли. Получены волновые спектры. Решение выполнено методом Гамильтона. Проведено сравнение полученных результатов с классическими исследованиями Дж. Рэлея.

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Fundamental studies on an electrostatic ink jet printer. 1st report Electrostatic drop formation.

Cited by 2 publications

References 0 publications

Plasmonic Nanotrough Networks for Scalable Bacterial Raman Biosensing

Plasmonic Nanotrough Networks for Scalable Bacterial Raman Biosensing

The spectrum of charged drop electrocapillarity fluctuations

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