Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/5129

TitleLab-on-a-chip for biological fluids analysis by spetrophotometry
Author(s)Minas, Graça
Wolffenbuttel, R. F.
Correia, J. H.
KeywordsLab-on-a-chip
Optical absorption
Spetrophotometry
Microfluidic
Issue date2006
PublisherChatila Publishing House (CPH)
JournalArab Health International
Citation"Arab Health World". ISSN 1015-8324. 20:3 (2006) 17-18.
Abstract(s)The healthcare sector is nowadays one of the most dynamic and where the novelty is a strategic and operational imperative. The possibility of increase the quantity and quality of clinical analysis, performed with instantaneous results and outside the clinical laboratories, contributes to a better quality in the health care services and also a better efficiency in the clinical and administrative processes [1]. This possibility can be achieved with the presented lab-on-a-chip for spectrophotometric analysis of biological fluids. It allows the selective measurement of the concentration of several biomolecules in biological fluids, with instantaneous results, at any location, with small quantities of reagents and samples and with low-cost. That measurement is based on colorimetric detection by the optical absorption in a part of the visible spectrum defined by the reaction of the specific biomolecule with a specific reagent. The device comprises a highly efficient and selective optical filtering and colorimetric detection system. This system allows the measurement with a regular white light illumination, thus avoiding the use of complex and expensive analysis systems like the ones that comprise spectrophotometers, for example. This feature highly facilitates portability and ensures analysis within consultation time, at a patient house (allowing a first trial) and in clinical laboratories or hospitals.
TypeArticle
URIhttp://hdl.handle.net/1822/5129
ISSN1015-8324
Peer-Reviewedno
AccessOpen access
Appears in Collections:DEI - Artigos em revistas internacionais

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