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A theory for the fluorescence resonance energy transfer (FRET) between a pair of semiconducting nanocrystal quantum dots is developed. Two types of donor-acceptor couplings for the FRET rate are described: dipole-dipole (d-d) and the…

材料科学 · 物理学 2009-11-13 Roi Baer , Eran Rabani

Nanophotonics achieves accurate control over the luminescence properties of a single quantum emitter by tailoring the light-matter interaction at the nanoscale and modifying the local density of optical states (LDOS). This paradigm could…

Recent advances in Fluorescence Resonance Energy Transfer (FRET) provides a way to measure and understand different biological systems and molecular interactions in nanometer order. In this report the introduction and principle of the FRET…

综合物理 · 物理学 2009-08-14 Syed Arshad Hussain

Long range resonance energy transfer (RET) between a donor and an acceptor molecule is increasingly being used in many areas of biological and material science. The phenomenon is used to monitor the in vivo separation between different…

材料科学 · 物理学 2007-05-23 Sangeeta Saini , Somnath Bhowmick , Vijay B. Shenoy , Biman Bagchi

We have studied the influence of the local density of optical states (LDOS) on the rate and efficiency of Forster resonance energy transfer (FRET) from a donor to an acceptor. The donors and acceptors are dye molecules that are separated by…

We present a first-principles calculation on the rate and efficiency of F\"orster resonance energy transfer (FRET) from a donor to an acceptor when they are located in the hotspots of nanoparticle clusters. Nonlocal effect has been…

光学 · 物理学 2017-12-29 Jun Ren , Tong Wu , Bing Yang , Xiangdong Zhang

Resonant energy transfers, i.e. the non-radiative redistribution of an electronic excitation between two particles coupled by the dipole-dipole interaction, lie at the heart of a variety of chemical and biological phenomena, most notably…

The applications of Fluorescence resonance energy transfer (FRET) have expanded tremendously in the last 25 years, and the technique has become a staple technique in many biological and biophysical fields. FRET can be used as spectroscopic…

Interfacial adhesion is caused by intermolecular forces that only occur between surfaces at nano-scale contact (NSC) i.e., 0.1-0.4nm. To evaluate NSC and its influence on adhesion, F\"orster resonance energy transfer (FRET) spectroscopy has…

材料科学 · 物理学 2023-01-27 Mónica Gaspar Simões , Robert Schennach , Ulrich Hirn

F\"orster's theory of resonant energy transfer (FRET) predicts the strength and range of exciton transport between separated molecules. We introduce an exactly soluble model for FRET which reproduces F\"orster's results as well as…

介观与纳米尺度物理 · 物理学 2012-03-09 C. King , B. Barbiellini , D. Moser , V. Renugopalakrishnan

Here we report on the experimental details of a study on the influence of the photonic environment on the emission of a FRET system. We modified the local density of optical states (LDOS) by placing the FRET system at precisely defined…

化学物理 · 物理学 2012-11-26 Niels Zijlstra , Allard P. Mosk , Willem L. Vos , Vinod Subramaniam , Christian Blum

Foerster Resonance Energy Transfer (FRET) allows for the visualization of nanometer-scale distances and distance changes. This sensitivity is regularly achieved in single-molecule experiments in vitro but is still challenging in biological…

The phenomenon of Forster Resonance Energy Transfer, commonly used to measure the distances between fluorophore molecules and to study interactions between fluorescent-tagged proteins in life sciences, can also be applied in…

生物物理 · 物理学 2018-02-15 Kamil Solarczyk , Krzysztof Wojcik , Pawel Kulakowski

We present an analytical model for Forster resonance energy transfer (FRET) between a donor and an acceptor placed in inhomogeneous and absorptive environment characterized by complex dielectric function, e.g., near a metal-dielectric…

介观与纳米尺度物理 · 物理学 2025-04-21 L. S. Petrosyan , M. N. Noginov , T. V. Shahbazyan

Fluorescence resonance energy transfer (FRET) from individual, dye-labeled RNA molecules confined in freely-diffusing attoliter-volume aqueous droplets is carefully compared to FRET from unconfined RNA in solution. The use of…

生物物理 · 物理学 2015-05-21 Sheema Rahmanseresht , Peker Milas , Kieran P. Ramos , Ben D. Gamari , Lori S. Goldner

The separation dependence of the interaction between two resonant groups of CdSe/ZnS nanocrystallite quantum dots is studied at room temperature. A near-field scanning optical microscope is used to bring a group of mono-disperse ~6.5 nm…

介观与纳米尺度物理 · 物理学 2015-05-28 Farbod Shafiei , Sannah P. Ziama , Eric D. Curtis , Ricardo S. Decca

F\"orster resonance energy transfer (FRET) is a quantum mechanical phenomenon involving the non-radiative transfer of energy between coupled electric dipoles. Due to the strong dependence of FRET on the distance between the dipoles, it is…

化学物理 · 物理学 2024-12-04 David Frost , Keisha Cook , Hugo Sanabria

Over the past 15 years there has been an ongoing debate regarding the influence of the photonic environment on Forster resonance energy transfer (FRET). Disparate results corresponding to enhancement, suppression and null effect of the…

光学 · 物理学 2018-08-15 Cristian L. Cortes , Zubin Jacob

A detailed understanding of energy transduction is crucial for achieving precise control of energy flow in complex, integrated systems. In this context, carbon nanotubes (CNTs) are intriguing model systems due to their rich,…

介观与纳米尺度物理 · 物理学 2011-02-16 Eyal Shafran , Benjamin D. Mangum , Jordan M. Gerton
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