Capacitive Detection of Morphine via Cathodically Electropolymerized, Molecularly Imprinted Poly(p-aminostyrene) Films

Aileen V. Vergara, Roderick B. Pernites, Brylee David B. Tiu, Al Christopher C. de Leon, Joey D. Mangadlao, Christina A. Binag, Rigoberto C. Advincula

研究成果: Article

3 引用 (Scopus)

抄録

Highly sensitive and selective detection of morphine is exhibited using a capacitive transducer coated with cathodically electropolymerized and molecularly imprinted poly(p aminostyrene). Through molecular imprinting, morphine-specific recognition sites have been fabricated throughout the film, which shows exceptional binding activity toward morphine based from electrochemical capacitance measurements. The thin film sensor has a linear response to morphine solutions with 20–40 × 10−6 m concentrations and a detection limit of 5.95 × 10−6 m. It demonstrates high selectivity toward morphine as compared to other analog molecules including nicotine and cholesterol. The formation of the polymer film is facilitated and monitored using electrochemical-quartz crystal microbalance and characterized by X-ray photoelectron spectroscopy. Infrared spectroscopy confirms the loading and removal of the analyte from the film. Based on molecular modeling calculations, strong hydrogen-bonding interactions between the monomer, cross-linker, and analyte form a stable pre-polymerization complex, which is critical in successfully imprinting morphine into the film and effective sensing of the analyte. (Figure presented.).

元の言語English
ページ(範囲)1810-1822
ページ数13
ジャーナルMacromolecular Chemistry and Physics
217
発行部数16
DOI
出版物ステータスPublished - 2016 8 1
外部発表Yes

Fingerprint

morphine
Morphine
Nicotine
Molecular modeling
Capacitance measurement
Quartz crystal microbalances
Cholesterol
Polymer films
Infrared spectroscopy
Transducers
Hydrogen bonds
X ray photoelectron spectroscopy
Monomers
nicotine
Polymerization
Thin films
Molecules
cholesterol
Sensors
quartz crystals

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

これを引用

Vergara, A. V., Pernites, R. B., Tiu, B. D. B., de Leon, A. C. C., Mangadlao, J. D., Binag, C. A., & Advincula, R. C. (2016). Capacitive Detection of Morphine via Cathodically Electropolymerized, Molecularly Imprinted Poly(p-aminostyrene) Films. Macromolecular Chemistry and Physics, 217(16), 1810-1822. https://doi.org/10.1002/macp.201600127

Capacitive Detection of Morphine via Cathodically Electropolymerized, Molecularly Imprinted Poly(p-aminostyrene) Films. / Vergara, Aileen V.; Pernites, Roderick B.; Tiu, Brylee David B.; de Leon, Al Christopher C.; Mangadlao, Joey D.; Binag, Christina A.; Advincula, Rigoberto C.

:: Macromolecular Chemistry and Physics, 巻 217, 番号 16, 01.08.2016, p. 1810-1822.

研究成果: Article

Vergara, AV, Pernites, RB, Tiu, BDB, de Leon, ACC, Mangadlao, JD, Binag, CA & Advincula, RC 2016, 'Capacitive Detection of Morphine via Cathodically Electropolymerized, Molecularly Imprinted Poly(p-aminostyrene) Films', Macromolecular Chemistry and Physics, 巻. 217, 番号 16, pp. 1810-1822. https://doi.org/10.1002/macp.201600127
Vergara, Aileen V. ; Pernites, Roderick B. ; Tiu, Brylee David B. ; de Leon, Al Christopher C. ; Mangadlao, Joey D. ; Binag, Christina A. ; Advincula, Rigoberto C. / Capacitive Detection of Morphine via Cathodically Electropolymerized, Molecularly Imprinted Poly(p-aminostyrene) Films. :: Macromolecular Chemistry and Physics. 2016 ; 巻 217, 番号 16. pp. 1810-1822.
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