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.
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Palaniappan, A., Moochhala, S., Tay, F.E., Ahmed, M.O., Phua, N.C. (2008). Phthalocyanine Functionalized Hybrids as Receptors for Enhanced Gas/Bio Sensing. In: Mukhopadhyay, S.C., Gupta, G.S. (eds) Smart Sensors and Sensing Technology. Lecture Notes Electrical Engineering, vol 20. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-79590-2_6
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DOI: https://doi.org/10.1007/978-3-540-79590-2_6
Publisher Name: Springer, Berlin, Heidelberg
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