2013
DOI: 10.1016/j.snb.2012.10.100
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Development of a sol–gel photonic sensor platform for the detection of biofilm formation

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Cited by 8 publications
(7 citation statements)
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“…Singlemode operation for a channel waveguide with a core of 6 × 6 m 2 has been shown by us elsewhere [15,16]. Typically to achieve singlemode conditions at 639 nm, a refractive index contrast of 0.0035 is needed between the core and the cladding of the waveguide.…”
Section: Simulationsmentioning
confidence: 96%
See 1 more Smart Citation
“…Singlemode operation for a channel waveguide with a core of 6 × 6 m 2 has been shown by us elsewhere [15,16]. Typically to achieve singlemode conditions at 639 nm, a refractive index contrast of 0.0035 is needed between the core and the cladding of the waveguide.…”
Section: Simulationsmentioning
confidence: 96%
“…The aim in characterizing the detection system was to determine experimentally, which microscope objective lens would result in the highest collected intensity per pixel on the CCD detector. A theoretical formula has been derived by Glasenapp [16], which predicts the intensity per pixel of light collected by the CCD as a function of lens magnification (M) such that, with NA denoting the numerical aperture of the lens (NA = n.sin(Â), Â is half the acceptance cone of the lens). In order to simulate a sensor spot, a tiny pinhole was made in a foil target and illuminated from beneath by a fibre optic illuminator from a white light source.…”
Section: Sensing Characterizationmentioning
confidence: 99%
“…They also possess tunable optical properties, such as refractive index and absorption [ 35 , 36 ]. These materials have shown promise towards a variety of sensing applications, including optical sensors for O 2 [ 37 , 38 ] and water vapour sensing [ 39 ], and in photonic sensors for the detection of biofilm formation [ 40 ]. As negative photoresists they eliminate the need for a master mould to be used and, therefore, are suitable for low cost production of optofluidic or microfluidic devices [ 29 ].…”
Section: Introductionmentioning
confidence: 99%
“…For example, inorganic inhibitors such as vanadates, molybdates, permanganates and cerium salts [12,13], as well as organic inhibitors such as quinaldic acid, betaine, dopamine hydrochloride, diazolidinyl urea and tetrazines [14,15] have been incorporated within silicate-based sol-gel matrices to improve their anticorrosion properties. Network modifiers such as transition metal (TM) alkoxides or ionic liquids have been incorporated within silicate-based materials to adjust the optical [16,17], electrical [18] or surface morphology of inorganic surfaces [19].…”
Section: Introductionmentioning
confidence: 99%