Enhancement in sensitivity of fluorescence based assay for organophosphates detection by silica coated silver nanoparticles using organophosphate hydrolase

Sensors and Actuators, B: Chemical

Volumn 178, Issue , 2013, Pages 458-464

  Thakur, Shaveena ^a   Kumar, Pardeep ^b   Reddy, M Venkateswar ^c   Siddavattam, D ^c   Paul, A K ^a  

^a CSIR CENTRAL SCIENTIFIC INSTRUMENTS ORGANISATION   (India)

^b NATIONAL INSTITUTE OF TECHNOLOGY   (India)

^c UNIVERSITY OF HYDERABAD   (India)

Author keywords

Metal enhanced fluorescence; Organophosphates; Organophosphorous hydrolase; Silica coated silver nanoparticles

Indexed keywords

BIOCONJUGATES; C TERMINUS; DETECTION ASSAY; DETECTION LIMITS; EXCITATION WAVELENGTH; FLUORESCENCE ENHANCEMENT; FLUORESCENCE SIGNALS; METAL ENHANCED FLUORESCENCE; METHYL PARATHION; ORGANOPHOSPHATE HYDROLASE; ORGANOPHOSPHATES; ORGANOPHOSPHOROUS HYDROLASE; ORGANOPHOSPHORUS HYDROLASE; PARAOXON; PH SENSITIVE; PYRANINE; SILVER NANOPARTICLES; SPECTRAL PROPERTIES; SURFACE PLASMONS;

AMINO ACIDS; FLUORESCENCE; HYDROLASES; NANOPARTICLES; QUANTUM YIELD; SILICA;

SILVER;

EID: 84873840561     PISSN: 09254005     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.snb.2013.01.010     Document Type: Article

References (20)

1. A.G. Smith, and S.D. Gangolli Organochlorine chemicals in seafood: occurrence and health concerns Food and Chemical Toxicology 40 2002 767 779 (Pubitemid 34450773)
2. G. Liu, and Y. Liu Biosensor based on self-assembling acetylcholinesterase on carbon nanotubes for flow injection/amperometric detection of organophosphate pesticides and nerve agents Analytical Chemistry 78 2006 835 843 (Pubitemid 43228591)
3. A.L. Simonian, A.W. Flounders, and J.R. Wild FET-based biosensors for the direct detection of organophosphate neurotoxins Electroanalysis 16 2004 1896 1906
4. K. Aslan, I. Gryczynski, J. Malicka, E. Matveeva, J.R. Lakowicz, and C.D. Geddes Metal-enhanced fluorescence: an emerging tool in biotechnology Current Opinion in Biotechnology 16 2005 55 62 (Pubitemid 40253579)
5. S. Navaladian, B. Viswanathan, and R.P. Viswanath Fabrication of worm like nanorods and ultrafine nanospheres of silver via solid-state photochemical decomposition Nanoscale Research Letters 2 2007 44 48
6. A. Derkachova, and K. Kolwas Size dependence of multipolar plasmon resonance frequencies and damping rates in single metal spherical nanoparticles European Journal of Physics: Special Topics 144 2007 93 99
7. P. Mukherjee, A. Ahmad, D.S. Mandal, S. Senapati, R. Sainkar, M.I. Khan, R. Parishcha, P.V. Ajaykumar, M. Alam, R. Kumar, and M. Sastry Fungus-mediated synthesis of silver nanoparticles and their immobilization in the mycelial matrix: a novel biological approach to nanoparticle synthesis Nano Letters 1 2001 515 519 (Pubitemid 33673041)
8. T. Ung, L.M. Liz-Marzan, and P. Mulvaney Controlled method for silica-coating of silver colloids. Influence of coating on the rate of chemical reactions Langmuir 14 1998 3740 3748 (Pubitemid 128565446)
9. J. Aubard, E. Bagnasco, J. Pantigny, M.F. Ruasse, and G. Levi An ion-exchange reaction as measured by surface-enhanced Raman spectroscopy on silver colloids Journal of Physical Chemistry 99 1995 7075 7081
10. J. Lukomska, J. Malicka, I. Gryczynski, Z. Leonenko, and J.R. Lakowicz Fluorescence enhancement of fluorophores tethered to different sized silver colloids deposited on glass substrate Biopolymers 77 2005 31 37 (Pubitemid 40110947)
11. + using citrate and hydroxylamine Langmuir 21 2005 8546 8553 (Pubitemid 41321838)
12. C.H. Munro, W.E. Smith, M. Garner, J. Clarkson, and P.C. White Characterisation of the surface of a citrate reduced colloidal optimized for use as a substrate for surface enhanced resonance Raman scattering Langmuir 11 1995 3712 3720
13. W. Stöber, A. Fink, and E. Bohn Controlled growth of monodisperse silica spheres in the micron size range Journal of Colloid and Interface Science 26 1968 62 69
14. S. Kalele, S.W. Gosavi, J. Urban, and S.K. Kulkarni Nanoshell particles: synthesis, properties and applications Current Science 19 2006 1038 1052 (Pubitemid 44810679)
15. A. Sachdeva, S. Sodaye, and A.K. Pandey Formation of silver nanoparticles in poly(perfluorosulfonic) acid membrane Analytical Chemistry 78 2006 7169 7174 (Pubitemid 44607559)
16. N.M. Bahadur, T. Furusaw, M. Sato, F. Kurayama, I.A. Siddiquey, and N. Suzuki Fast and facile synthesis of silica coated silver nanoparticles by microwave irradiation Journal of Colloid and Interface Science 355 2011 312 320
17. + Materials Chemistry and Physics 81 2003 104 107
18. H. El-Rassy, and A.C. Pierre NMR and IR spectroscopy of silica aerogels with different hydrophobic characteristics Journal of Non-Crystalline Solids 351 2005 1603 1610 (Pubitemid 40752996)
19. P. Innocenzi, P. Falcaro, D. Grosso, and F. Babonneau Order-disorder transitions and evolution of silica structure in self assembled meso-structured silica films studied through FTIR spectroscopy Journal of Physical Chemistry B 107 2003 4711 4717
20. S. Thakur, M.V. Reddy, D. Siddavattam, and A.K. Paul A fluorescence based assay with pyranine labeled hexa-histidine tagged organophosphorus hydrolase (OPH) for determination of organophosphates Sensors and Actuators B 163 2012 153 158