Red Española de Microscopía Óptica Avanzada
FCS- Fluorescence Correlation Spectroscopy
Fluorescence Correlation Spectroscopy (FCS) is a tool that provides quantitative localized measurements of important physical parameters including mechanisms of transport, molecular mobilities, and densities of fluorescently labeled species. In the most basic configuration, FCS examines the inherent correlations exhibited by the fluctuating fluorescent signal from labeled molecules as they transition into and out of a specified excitation volume or area. The dual-color variation, termed Fluorescence Cross-Correlation Spectroscopy (FCCS), is utilized to probe two species labeled with different fluorophores. FCCS can extend investigations to the examination of biochemical reactions between two partners, such as reaction rates, kinetics, fractions of binding or reacting molecules, and mobilities of a complex formed between the partners.
This technique at work
Centre for Genomic Regulation, Parc de Recerca Biom├Ędica Barcelona - Advanced Light Microscopy Unit
Instituto de Investigacion Biomedica Sant Pau, Instituto de Investigacion Sant Pau - Plataforma Cientifico-Tecnica de Microscopia Confocal
Universidad Complutense de Madrid, Centros de Asistencia a la Investigacion (CAIS-ICTS) - Flow Cytometry and Fluorescence Microscopy Unit, UCM
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