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Date: 2016
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1221074
Description: In this study, poly(lactic-co-glycolic acid) (PLGA) nanocomposites were developed by incorporating a photosensitizer, verteporfin and gold nanoparticles into this polymeric matrix and utilised for enh ... More
Reviewed: Reviewed
Date: 2016
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1201467
Description: We investigate the effect of different gain media and different scattering media in random lasers. We demonstrate an increase in the emission intensity and efficiency of random lasing by incorporating ... More
Reviewed: Reviewed
Date: 2016
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1235726
Description: Fluorescence-based bio-imaging methods have been extensively used to identify molecular changes occurring in biological samples in various pathological adaptations. Auto-fluorescence generated by endo ... More
Reviewed: Reviewed
Date: 2016
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1260264
Description: Hyperspectral imaging based on endogenous contrast provides a new non-invasive method to characterise cells and tissues. Cellular content and maps of native fluorophores help monitor biological proces ... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1067443
Description: We demonstrate the effect of fluorescence resonance energy transfer on the emission spectra and threshold of Rhodamine 6G / methylene blue / titania random lasers. Rhodamine 6G enhances the laser emis ... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1054856
Description: Rhodamine 6G random dye lasers are more efficient with ruby nanocrystal scatterers than with alumina, exhibiting reduced threshold despite the increased absorption of ruby nanocrystals.
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/318338
Description: Plasmonics improves the performance of random lasers by increasing the gain for the system. Random lasers with gold nanoparticles produce higher emission intensity, smaller emission linewidth, lower t ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/332828
Description: We compare the lasing threshold of random lasers composed of dielectric (alumina) or metal (gold) colloidal nanoparticles assessed by emission spectrum measurements. The lasing threshold can be observ ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/332814
Description: We compare the lasing threshold of random lasers composed of ielectric (alumina) or metal (gold) colloidal nanoparticles assessed by emission spectrum measurements. The lasing threshold can be observe ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/169449
Description: Upconversion decay rates in colloidal NaYF4:Yb, Er nanocrystals for biolabelling depend on nanoparticle size. Lifetime dependence on various quenching mechanisims is explained using rate equations to ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/139954
Description: Plasmonic nanoparticles with silver cores and silica shells containing Eu fluorophores near the surface have been produced by wet chemistry method and their spontaneous emission properties characteriz ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/139958
Description: We report silver nanostructure-enhanced fluorescence of a europium (Eu) chelate, BHHCT-Eu-DPBT, which was covalently bound in Ag/SiO₂ nanocomposites. This design enhances the europium signal intensity ... More
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Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/164966
Description: Femtosecond laser ablation of gold in an aqueous solution of biologically compatible surfactant cetyl trimethylammonium bromide (CTAB) is shown to produce small nanoparticles with a narrow size distri ... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/164961
Description: While the principle of fluorescence enhancement of metal nanostructures is well known, the utility of this effect in practical methodologies used in analytical laboratories remains to be established. ... More
Reviewed: Reviewed
Date: 2006
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/17594
Description: Semiconductor nanoparticles, also called quantum dots (QDs), are emerging as the new class of fluorescent labeling materials in biological applications. In comparison with fluorescent dyes, QDs have u ... More
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Reviewed: Reviewed