Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 23, Issue 37, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/0953-8984/23/37/374107
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Funding
- National Science Foundation [CBET 08-546660 CAREER, CBET-1040462 MRI]
- National Cancer Institute [R21 CA147967-01]
- NSF-STC [CBET-0939511]
- NIH [HL 086870, MH 085220]
- NSF [CHE-0526692]
- Developmental Psychobiology and Neurobiology Training Grant [NIH/HD007333]
- [NSF-DMR-0907212]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1040462] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0846660] Funding Source: National Science Foundation
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We studied the active transport of intracellular components along neuron processes using a new method developed in our laboratory: dispersion-relation phase spectroscopy. This method is able to quantitatively map spatially the heterogeneous dynamics of the concentration field of the cargos at submicron resolution without the need for tracking individual components. The results in terms of density correlation function reveal that the decay rate is linear in wavenumber, which is consistent with a narrow Lorentzian distribution of cargo velocity.
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