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Title: Phthalocyanine functionalized hybrids as receptors for enhanced Gas/Bio sensing
Authors: Palaniappan, A. 
Moochhala, S.
Tay, F.E.H. 
Ahmed, M.O.
Phua, N.C.L.
Keywords: cobalt phthalocyanine
gas/bio sensor
Mesoporous silica
Issue Date: 2008
Source: Palaniappan, A.,Moochhala, S.,Tay, F.E.H.,Ahmed, M.O.,Phua, N.C.L. (2008). Phthalocyanine functionalized hybrids as receptors for enhanced Gas/Bio sensing. Lecture Notes in Electrical Engineering 20 LNEE : 77-84. ScholarBank@NUS Repository.
Abstract: Cobalt Phthalocyanine (CoPc) functionalized silica matrix has been tested as receptors for gaseous bio-markers detection. Bio-marker such as Nitric Oxide (NO) is identified and quantified by tetra amino phthalocyanine (CoTAPc) functionalized silica matrix. CoPc is anchored chemically on to a mesoporous silica network which is deposited on a Quartz Crystal Microbalance (QCM). Time of Flight Secondary Ion Mass Spectroscopy (Tof-SIMS) is used to characterize the CoPc/silica hybrids. The sensor response towards the bio marker is tested in a sealed gas chamber. The sensor response of QCM functionalized with CoTAPc and non-modified QCM is also recorded. The experiment results show that sensitivities up to 25 ppb/Hz could be achieved by using the developed CoTAPc/silica hybrid on QCM. © 2008 Springer-Verlag Berlin Heidelberg.
Source Title: Lecture Notes in Electrical Engineering
ISBN: 9783540795896
ISSN: 18761100
DOI: 10.1007/978-3-540-79590-2-6
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