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Details of Grant 

EPSRC Reference: GR/S48240/01
Title: Nanoscale sensors for genomic and proteomic analysis inside the living cell
Principal Investigator: Horrocks, Dr BR
Other Investigators:
Datta, Dr H Houlton, Professor A Connolly, Professor BA
Tuite, Dr EM Lakey, Professor JH Siller, Professor L
Researcher Co-Investigators:
Project Partners:
Department: School of Chemistry
Organisation: Newcastle University
Scheme: Standard Research (Pre-FEC)
Starts: 27 April 2004 Ends: 26 October 2007 Value (£): 333,844
EPSRC Research Topic Classifications:
Analytical Science Cells
Surfaces & Interfaces
EPSRC Industrial Sector Classifications:
Chemicals Healthcare
Pharmaceuticals and Biotechnology
Related Grants:
Panel History:  
Summary on Grant Application Form
The information required by cell biologists includes a description of when and where mRNA transcripts are produced and proteins are synthesized and also how these macromolecules are moved around the cell, activated and located in specific cell compartments. Such information is likely to provide a knowledge base that may be exploited for more effective and directed therapeutic strategies. The aim of this proposal is to develop methods for performing molecular biology experiments inside the living cell with spatial and temporal resolution sufficient to allow biologists to address the fundamental questions of cell biology. We and others have come to the conclusion that conventional fluorescence probes will not achieve this goal because fluorescence spectra are rather broad and that instead Raman spectra which are rich in chemical information and have relatively narrow linewidths are more promising, especially in multianalyte experiments where spectral overlap is likely to be a serious problem. Fluorescence is, however, a sensitive tool for imaging and an ideal nanoscale probe would combine the two. The basic concept is therefore to use indirect-gap sizequantized systems (quantum dots or their agglomerations) which can act as both luminescence probes (for spatial localisation) and Raman probes (to provide time-resolved biochemical information)
Key Findings
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Summary
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Further Information:  
Organisation Website: http://www.ncl.ac.uk