Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy

Total Internal Reflection Microscopy has been employed to investigate Förster resonance energy transfer FRET for QD-dye conjugate system. QDs based donor systems are ideal for FRET for many reasons, one of them is that their broad excitation cross section which means that the direct excitation of th...

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Main Author: Asma H. Mohammed
Format: Article
Language:English
Published: Unviversity of Technology- Iraq 2014-04-01
Series:Engineering and Technology Journal
Subjects:
Online Access:https://etj.uotechnology.edu.iq/article_102519_d8b5b8c8d3b2bd5ef3e180225c603a15.pdf
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author Asma H. Mohammed
author_facet Asma H. Mohammed
author_sort Asma H. Mohammed
collection DOAJ
description Total Internal Reflection Microscopy has been employed to investigate Förster resonance energy transfer FRET for QD-dye conjugate system. QDs based donor systems are ideal for FRET for many reasons, one of them is that their broad excitation cross section which means that the direct excitation of the acceptor can be minimised via QD excitation at much shorter wavelengths, where little absorbance occurs in the acceptor. Förster resonance energy transfer (FRET) is a mechanism at which energy transfer between two fluorophores that occurs over a much shorter distance. A donor fluorophore in its excited state can transfer energy by a non- radiative, a long range dipole-dipole coupling mechanism to an acceptor fluorophore in close proximity (typically <10 nm). This is exactly the regime relevant to many biochemical processes and so significant effort has gone into developing FRET in recent years as a new tool for probing dynamics in condensed phase systems.
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spelling doaj.art-988920ae426f4d5d8374e5e74ac067ba2024-02-04T17:30:33ZengUnviversity of Technology- IraqEngineering and Technology Journal1681-69002412-07582014-04-01324B64765710.30684/etj.2014.102519102519Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopyAsma H. MohammedTotal Internal Reflection Microscopy has been employed to investigate Förster resonance energy transfer FRET for QD-dye conjugate system. QDs based donor systems are ideal for FRET for many reasons, one of them is that their broad excitation cross section which means that the direct excitation of the acceptor can be minimised via QD excitation at much shorter wavelengths, where little absorbance occurs in the acceptor. Förster resonance energy transfer (FRET) is a mechanism at which energy transfer between two fluorophores that occurs over a much shorter distance. A donor fluorophore in its excited state can transfer energy by a non- radiative, a long range dipole-dipole coupling mechanism to an acceptor fluorophore in close proximity (typically <10 nm). This is exactly the regime relevant to many biochemical processes and so significant effort has gone into developing FRET in recent years as a new tool for probing dynamics in condensed phase systems.https://etj.uotechnology.edu.iq/article_102519_d8b5b8c8d3b2bd5ef3e180225c603a15.pdfqdsfretdipoledipole coupling
spellingShingle Asma H. Mohammed
Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy
Engineering and Technology Journal
qds
fret
dipole
dipole coupling
title Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy
title_full Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy
title_fullStr Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy
title_full_unstemmed Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy
title_short Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy
title_sort quantum dots qd dye conjugate are ideal candidates for fret investigations using tirmicroscopy
topic qds
fret
dipole
dipole coupling
url https://etj.uotechnology.edu.iq/article_102519_d8b5b8c8d3b2bd5ef3e180225c603a15.pdf
work_keys_str_mv AT asmahmohammed quantumdotsqddyeconjugateareidealcandidatesforfretinvestigationsusingtirmicroscopy