Results 31 to 40 of about 40,790 (312)

Transport between im/mobile fractions shapes the speed and profile of cargo distribution in neurons

open access: yesBiophysical Reports, 2022
Neuronal function requires continuous distribution of ion channels and other proteins throughout large cell morphologies. Protein distribution is complicated by immobilization of freely diffusing subunits such as on lipid rafts or in postsynaptic ...
Adriano A. Bellotti   +3 more
doaj   +1 more source

Analysis of Binding Reactions by Fluorescence Recovery after Photobleaching [PDF]

open access: yesBiophysical Journal, 2004
Fluorescence recovery after photobleaching (FRAP) is now widely used to investigate binding interactions in live cells. Although various idealized solutions have been identified for the reaction-diffusion equations that govern FRAP, there has been no comprehensive analysis or systematic approach to serve as a guide for extracting binding information ...
Sprague, Brian L.   +3 more
openaire   +2 more sources

Effects of Organelle Shape on Fluorescence Recovery after Photobleaching [PDF]

open access: yesBiophysical Journal, 2005
The determination of diffusion coefficients from fluorescence recovery data is often complicated by geometric constraints imposed by the complex shapes of intracellular compartments. To address this issue, diffusion of proteins in the lumen of the endoplasmic reticulum (ER) is studied using cell biological and computational methods.
Sbalzarini, Ivo F.   +3 more
openaire   +2 more sources

A noninvasive fluorescence imaging-based platform measures 3D anisotropic extracellular diffusion

open access: yesNature Communications, 2021
It is challenging to quantify anisotropic diffusion in biological systems. Here the authors report light-sheet imaging-based Fourier transform fluorescence recovery after photobleaching (LiFT-FRAP) to noninvasively determine 3D diffusion tensors of ...
Peng Chen   +9 more
doaj   +1 more source

Fluorescence recovery after photobleaching on the confocal laser-scanning microscope: generalized model without restriction on the size of the photobleached disk [PDF]

open access: yes, 2011
Fluorescence recovery after photobleaching (FRAP) carried out on a confocal laser-scanning microscope (CLSM) performs well for photobleached disks that are large compared to the resolution of the bleaching beam.
Ameloot, Marcel   +6 more
core   +2 more sources

Wnt3 distribution in the zebrafish brain is determined by expression, diffusion and multiple molecular interactions

open access: yeseLife, 2020
Wnt3 proteins are lipidated and glycosylated signaling molecules that play an important role in zebrafish neural patterning and brain development. However, the transport mechanism of lipid-modified Wnts through the hydrophilic extracellular environment ...
Sapthaswaran Veerapathiran   +6 more
doaj   +1 more source

Probing the segregation of evoked and spontaneous neurotransmission via photobleaching and recovery of a fluorescent glutamate sensor

open access: yeseLife, 2022
Synapses maintain both action potential-evoked and spontaneous neurotransmitter release; however, organization of these two forms of release within an individual synapse remains unclear.
Camille S Wang   +3 more
doaj   +1 more source

Fluorescence Recovery After Photobleaching (FRAP) in the Fission Yeast Nucleus

open access: yesBio-Protocol, 2013
We use fluorescence recovery after photobleaching (FRAP) to calculate the diffusion coefficient of GFP in the nucleoplasm of fission yeast. The FRAP method can be generally used to measure the mobility of proteins inside the cell or its organelles.
Petrina Delivani   +3 more
doaj   +1 more source

Fluorescence Recovery after Photobleaching: The Case of Anomalous Diffusion [PDF]

open access: yesBiophysical Journal, 2008
The method of FRAP (fluorescence recovery after photobleaching), which has been broadly used to measure lateral mobility of fluorescent-labeled molecules in cell membranes, is formulated here in terms of continuous time random walks (CTRWs), which offer both analytical expressions and a scheme for numerical simulations.
Lubelski, Ariel, Klafter, Joseph
openaire   +2 more sources

Some Secrets of Fluorescent Proteins: Distinct Bleaching in Various Mounting Fluids and Photoactivation of cyan fluorescent proteins at YFP-Excitation [PDF]

open access: yes, 2011
Background The use of spectrally distinct variants of green fluorescent protein (GFP) such as cyan or yellow mutants (CFP and YFP, respectively) is very common in all different fields of life sciences, e.g. for marking specific proteins or cells
AF Fradkov   +33 more
core   +4 more sources

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