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Design and implementation of a wireless capsule suitable for autofluorescence intensity detection in biological tissues.

Abstract:

We report on the design, fabrication, testing, and packaging of a miniaturized system capable of detecting autofluorescence (AF) from mammalian intestinal tissue. The system comprises an application-specific integrated circuit (ASIC), light-emitting diode, optical filters, control unit, and radio transmitter. The ASIC contains a high-voltage charge pump and single-photon avalanche diode detector (SPAD). The charge pump biases the SPAD above its breakdown voltage to operate in Geiger mode. The...

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Publication status:
Published

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Publisher copy:
10.1109/tbme.2012.2222641

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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Journal:
IEEE transactions on bio-medical engineering
Volume:
60
Issue:
1
Pages:
55-62
Publication date:
2013-01-05
DOI:
EISSN:
1558-2531
ISSN:
0018-9294
URN:
uuid:50bcbcf6-ccb7-486f-98c2-91b9b1f1ad29
Source identifiers:
382916
Local pid:
pubs:382916

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