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Silica nanoparticle based techniques for extraction, detection, and degradation of pesticides.

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Title: Silica nanoparticle based techniques for extraction, detection, and degradation of pesticides.
Authors: Bapat, Gandhali1, Labade, Chaitali1, Chaudhari, Amol1, Zinjarde, Smita1,2 hodmicro@unipune.ac.in
Source: Advances in Colloid & Interface Science. Nov2016, Vol. 237, p1-14. 14p.
Subjects: Drug delivery systems, Biodegradable pesticides, Drug stability, Drug absorption, Silica nanoparticles, Raman spectroscopy, Therapeutics
Abstract: Silica nanoparticles (SiNPs) find applications in the fields of drug delivery, catalysis, immobilization and sensing. Their synthesis can be mediated in a facile manner and they display broad range compatibility and stability. Their existence in the form of spheres, wires and sheets renders them suitable for varied purposes. This review summarizes the use of silica nanostructures in developing techniques for extraction, detection and degradation of pesticides. Silica nanostructures on account of their sorbent properties, porous nature and increased surface area allow effective extraction of pesticides. They can be modified (with ionic liquids, silanes or amines), coated with molecularly imprinted polymers or magnetized to improve the extraction of pesticides. Moreover, they can be altered to increase their sensitivity and stability. In addition to the analysis of pesticides by sophisticated techniques such as High Performance Liquid Chromatography or Gas chromatography, silica nanoparticles related simple detection methods are also proving to be effective. Electrochemical and optical detection based on enzymes (acetylcholinesterase and organophosphate hydrolase) or antibodies have been developed. Pesticide sensors dependent on fluorescence, chemiluminescence or Surface Enhanced Raman Spectroscopic responses are also SiNP based. Moreover, degradative enzymes (organophosphate hydrolases, carboxyesterases and laccases) and bacterial cells that produce recombinant enzymes have been immobilized on SiNPs for mediating pesticide degradation. After immobilization, these systems show increased stability and improved degradation. SiNP are significant in developing systems for effective extraction, detection and degradation of pesticides. SiNPs on account of their chemically inert nature and amenability to surface modifications makes them popular tools for fabricating devices for ‘on-site’ applications. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Colloid & Interface Science is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 119370133
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Silica nanoparticle based techniques for extraction, detection, and degradation of pesticides.
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  Data: <searchLink fieldCode="AR" term="%22Bapat%2C+Gandhali%22">Bapat, Gandhali</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Labade%2C+Chaitali%22">Labade, Chaitali</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chaudhari%2C+Amol%22">Chaudhari, Amol</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zinjarde%2C+Smita%22">Zinjarde, Smita</searchLink><relatesTo>1,2</relatesTo><i> hodmicro@unipune.ac.in</i>
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  Data: <searchLink fieldCode="DE" term="%22Drug+delivery+systems%22">Drug delivery systems</searchLink><br /><searchLink fieldCode="DE" term="%22Biodegradable+pesticides%22">Biodegradable pesticides</searchLink><br /><searchLink fieldCode="DE" term="%22Drug+stability%22">Drug stability</searchLink><br /><searchLink fieldCode="DE" term="%22Drug+absorption%22">Drug absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Silica+nanoparticles%22">Silica nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+spectroscopy%22">Raman spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Therapeutics%22">Therapeutics</searchLink>
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  Data: Silica nanoparticles (SiNPs) find applications in the fields of drug delivery, catalysis, immobilization and sensing. Their synthesis can be mediated in a facile manner and they display broad range compatibility and stability. Their existence in the form of spheres, wires and sheets renders them suitable for varied purposes. This review summarizes the use of silica nanostructures in developing techniques for extraction, detection and degradation of pesticides. Silica nanostructures on account of their sorbent properties, porous nature and increased surface area allow effective extraction of pesticides. They can be modified (with ionic liquids, silanes or amines), coated with molecularly imprinted polymers or magnetized to improve the extraction of pesticides. Moreover, they can be altered to increase their sensitivity and stability. In addition to the analysis of pesticides by sophisticated techniques such as High Performance Liquid Chromatography or Gas chromatography, silica nanoparticles related simple detection methods are also proving to be effective. Electrochemical and optical detection based on enzymes (acetylcholinesterase and organophosphate hydrolase) or antibodies have been developed. Pesticide sensors dependent on fluorescence, chemiluminescence or Surface Enhanced Raman Spectroscopic responses are also SiNP based. Moreover, degradative enzymes (organophosphate hydrolases, carboxyesterases and laccases) and bacterial cells that produce recombinant enzymes have been immobilized on SiNPs for mediating pesticide degradation. After immobilization, these systems show increased stability and improved degradation. SiNP are significant in developing systems for effective extraction, detection and degradation of pesticides. SiNPs on account of their chemically inert nature and amenability to surface modifications makes them popular tools for fabricating devices for ‘on-site’ applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Advances in Colloid & Interface Science is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.cis.2016.06.001
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        Text: English
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        PageCount: 14
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      – SubjectFull: Drug delivery systems
        Type: general
      – SubjectFull: Biodegradable pesticides
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      – SubjectFull: Drug stability
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      – SubjectFull: Drug absorption
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      – SubjectFull: Silica nanoparticles
        Type: general
      – SubjectFull: Raman spectroscopy
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      – SubjectFull: Therapeutics
        Type: general
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      – TitleFull: Silica nanoparticle based techniques for extraction, detection, and degradation of pesticides.
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            NameFull: Labade, Chaitali
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            – D: 01
              M: 11
              Text: Nov2016
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              Y: 2016
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