PCB-Integrated Optical Waveguide Sensors: An Ammonia Gas Sensor

Bamiedakis, N.; Hutter, Tanya; Penty, R.V.; White, I.H.; Elliott, S. R.

doi:10.1109/jlt.2013.2255582

Cited by 17 publications

(9 citation statements)

References 42 publications

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“…Six different detection methods of urea have been discussed with their advantages and disadvantages by (Banupriya et al 2014). Infrared ray absorbs ammonia at a characteristic wavelength of 1530 nm -this principle is used in a PCB-integrated optical waveguide sensor that enables the detection of multiple analytes including ammonia (Bamiedakis et al 2013). A gas sensor based on a FET (Field Effect Transistor) with a graphene channel and IL (Ionic Liquid) gate has been developed that can detect at least 30 ppm of ammonia and 4000 ppm of carbon dioxide at gate voltage below 1 V, which can be used to detect urea in milk (Inaba et al 2013).…”

Section: Milk Adulteration With Ureamentioning

confidence: 99%

Common milk adulteration and their detection techniques

2016

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Food adulteration is a global concern and developing countries are at higher risk associated with it due to lack of monitoring and policies. However, this is one of the most common phenomena that has been overlooked in many countries. Unfortunately, in contrast to common belief, milk adulterants can pose serious health hazards leading to fatal diseases. This paper presents a detailed review of common milk adulterants as well as different methods to detect the adulterants both qualitatively and quantitatively. This study is organized to be an 'adulterant based' study instead of 'techniques based' one, where qualitative detection for most of the common adulterants are enlisted and quantitative detection methods are limited to few major adulterants of milk. Apart from regular techniques, recent development in these detection techniques have also been reported. Nowadays milk is being adulterated in more sophisticated ways that demands for cutting edge research for the detection of the adulterants. This review intends to contribute towards the common knowledge base regarding possible milk adulterants and their detection techniques.

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Section: Milk Adulteration With Ureamentioning

confidence: 99%

Common milk adulteration and their detection techniques

2016

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“…Recentemente, um enorme interesse tem sido voltado à fabricação de dispositivos usando plataformas de óptica integrada (lab-on-a--chip). Guias de onda ópticos (fibra óptica e guia de onda planar) têm sido amplamente usados como sensores químicos, bioquímicos, biológicos 4,5,23,24 usando especialmente superfícies funcionalizadas com corantes químicos, marcadores fluorescentes ou receptores biológicos permitindo seletividade na detecção de determinado analito. 23 Em alguns estudos, a utilização de bio-sensores que utilizam plataforma de guias de onda planar com redes de difração para injeção da luz, permitem a detecção de uma vasta gama de biomoléculas, componentes celulares e células cancerígenas.…”

Section: Sensoresunclassified

Glassy Materials and Light: Part 2

Nalin¹,

Ribeiro²,

Manzani³

et al. 2016

Química Nova

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“…[13][14][15] However, the futher integration of optical-sensing elements onto these hybrid opto-electronic (OE) PCBs can also enable the formation of low-cost versatile optical sensors suitable for use in a variety of sensing applications. 16 The selective deposition of a glass-polymer superlattice on such polymerbased devices constitutes a promising alternative in generating the required fluorescence for the sensor operation. Initial work toward this direction has been undertaken, by fabricating a waveguide sensor with a deposited glass-polymer superlattice layer.…”

Section: Europium Rare Earth Ion-based Sensormentioning

confidence: 99%

Glass–polymer superlattice for integrated optics

et al. 2014

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Abstract. Glass and polymer interstacked superlattice like nanolayers were fabricated by nanosecond-pulsed laser deposition with a 193-nm-ultraviolet laser. The individual layer thickness of this highly transparent thin film could be scaled down to 2 nm, proving a near atomic scale deposition of complex multilayered optical and electronic materials. The layers were selectively doped with Er 3þ and Eu 3þ ions, making it optically active and targeted for integrated sensor application.

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PCB-Integrated Optical Waveguide Sensors: An Ammonia Gas Sensor

Cited by 17 publications

References 42 publications

Common milk adulteration and their detection techniques

Common milk adulteration and their detection techniques

Glassy Materials and Light: Part 2

Glass–polymer superlattice for integrated optics

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