Related work 1: A colorimetric sensor array for odour visualization
Suslick, Nature , 2000, 406,710-713
Sn(TPP)(Cl2),Co(TPP)(Cl), Zn(TPP) , Fe(TFPP)(Cl),
Absorption spectra before and after exposure to chemicalvapors
Related work 2 : Rapid Identification of Bacteria with a Disposable Colorimetric Sensing Array
James R. Carey, JACS,2011 , 133, 7571–7576
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introductionpurpose : enhance sensitivity and selectivity , achieve the online monitoring of gas and chemical vapors
priciple : the peak position or peak intensity of the resonant wavelength exhibits a respond upon exposure to chemical vapors
Advantage:(1) resistivity to electromagnetic noise and fire resistance2) the capability of remote control and information transfer through an optical fiber network, also miniaturized, convenient for on-site monitor3) facilitate the combination with imaging technology
Peak wavelength shift as a function of the concentration of six kinds of organic vapor with relative concentrations from 20% to 100% on the
PSi/IL(BmimPF6) and blank Psi sensing spots
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Our work 1:Enhanced sensitivity by IL surface modification
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Compared with the reported QCM sensor[1] Advantages of our work :1.more convinent in array2. facilitate the combination with imaging technology, Fiber Optic sensing techology
[1]Anal. Chem. 2006, 78, 6980 6989
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Our work 2: enhance selectivity by organic-inorganic modification
In progressing …..
Preliminary data for E-nose and E-tongue
Culture of bacterialMixing with urine
urine
E-noseE-tongue
Different pattern