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Microfluidic paper-based analytical device for quantification of lead using reaction band-length for identification of bullet hole and its potential for estimating firing distance

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dc.contributor.authorBuking S.
dc.contributor.authorSaetear P.
dc.contributor.authorTiyapongpattana W.
dc.contributor.authorUraisin K.
dc.contributor.authorWilairat P.
dc.contributor.authorNacapricha D.
dc.contributor.authorRatanawimarnwong N.
dc.date.accessioned2021-04-05T03:21:51Z
dc.date.available2021-04-05T03:21:51Z
dc.date.issued2018
dc.date.issuedBE2561
dc.description.abstractA low-cost and user-friendly microfluidic paper-based analytical device (μPAD) was developed for identification of bullet hole from gunshot residue (GSR) on cotton fabric target. The device (25 × 82 mm) is made of filter paper with a printed pattern consisting of a circular sample loading reservoir (6 mm i.d.), a circular waste reservoir (4 mm i.d.) and a straight flow channel (3 mm wide and 60 mm long). A sticker with a ruler scale in millimeters was mounted alongside the channel. The straight channel is first impregnated with rhodizonate and dried at ambient temperature. Tartrate extract of the target fabric is loaded on the sample reservoir. If Pb(II) ions are present in the extract, pink streak of Pb(II)- rhodizonate precipitate is formed as the sample solution flows from the reservoir along the channel. The length of the pink strip is employed to estimate the firing distance. © The Japan Society for Analytical Chemistry, 2018.
dc.format.mimetypeapplication/pdf
dc.identifier.citationAnalytical Sciences. Vol 34, No.1 (2018), p.83-89
dc.identifier.doi10.2116/analsci.34.83
dc.identifier.issn9106340
dc.identifier.other2-s2.0-85041840212
dc.identifier.urihttps://hdl.handle.net/20.500.14740/3915
dc.rights.holderScopus
dc.subject.otherAnalytic equipment
dc.subject.otherChannel flow
dc.subject.otherExtraction
dc.subject.otherFabrics
dc.subject.otherLead
dc.subject.otherMicrofluidics
dc.subject.otherPaper
dc.subject.otherBullet holes
dc.subject.otherDistance-based
dc.subject.otherFiring distance
dc.subject.otherGunshot residue
dc.subject.otherPaper-based analytical devices
dc.subject.otherReaction bands
dc.subject.otherRhodizonate
dc.subject.otherLead compounds
dc.titleMicrofluidic paper-based analytical device for quantification of lead using reaction band-length for identification of bullet hole and its potential for estimating firing distance
dc.typeArticle
dspace.entity.typePublication
swu.datasource.scopushttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85041840212&doi=10.2116%2fanalsci.34.83&partnerID=40&md5=1b3b3795c4113c0da9065719e18ce85a

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