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Fleeting Fingerprints May Yield Powerful New Tools | Science | AAAS
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`11/2/17, 9:11 AM
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`SHARE Fleeting
`Fingerprints
`May Yield
`Powerful New
`Tools
`
`   
`
`By Science News
`Staff Apr. 15, 1997 , 8:00 PM
`
`SAN FRANCISCO--The
`kidnapping and murder of 3-
`year-old Katie Lynn Lee in
`1993 could leave a lasting
`legacy to law enforcement:
`methods to obtain children's
`Angerprints before they
`evaporate from crime scenes
`and to develop chemical
`"proAles" of criminals. The
`Andings, reported here this
`week at the annual meeting
`of the American Chemical
`Society, may even lead to a
`new approach to diagnosing
`illnesses.
`
`http://www.sciencemag.org/news/1997/04/fleeting-fingerprints-may-yield-powerful-new-tools
`
`Reactive Surfaces Ltd. LLP
`Ex. 1032 (Rozzell Attachment M)
`Reactive Surfaces Ltd. LLP v. Toyota Motor Corp.
`IPR2016-01914
`
`Page 1 of 6
`
`

`

`Fleeting Fingerprints May Yield Powerful New Tools | Science | AAAS
`
`11/2/17, 9:11 AM
`
`Police investigating Lee's
`disappearance in Knoxville,
`Tennessee, failed to And
`evidence of her Angerprints
`despite eyewitness accounts
`placing her at the scene. The
`police asked Michelle
`Buchanan, group leader for
`organic mass spectrometry
`at the U.S. Department of
`Energy's Oak Ridge National
`Laboratory in Tennessee, to
`take a crack at solving the
`mystery.
`
`Buchanan's team used gas
`chromatography and mass
`spectrometry to compare
`Angertip chemicals from
`dozens of children aged 4 to
`17 with those from adults
`aged 19 to 46. Children's
`Angerprints, they found,
`evaporated quickly from
`warm surfaces because they
`are loaded with volatile fatty
`acids. After puberty, however,
`sebaceous glands begin to
`secrete heavier, less volatile,
`long-chain alkyl esters that
`the carbonaceous
`Angerprinting dust easily
`picked up.
`
`Buchanan's team has
`identiAed certain
`compounds, such as
`squalene, common to the
`Angerprints of children as
`
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`http://www.sciencemag.org/news/1997/04/fleeting-fingerprints-may-yield-powerful-new-tools
`
`Page 2 of 6
`
`

`

`Fleeting Fingerprints May Yield Powerful New Tools | Science | AAAS
`
`11/2/17, 9:11 AM
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`well as adults. A system for
`detecting unique Angerprints
`from these chemicals could
`be developed in 3 to 5 years,
`estimates Knoxville detective
`Art Bohanan. "We've
`identiAed the problem, and
`now we need a solution," he
`says. In the meantime,
`Bohanan says that
`investigators should dust for
`children's Angerprints
`immediately at a crime
`scene and keep key evidence
`under refrigeration.
`
`Buchanan's team has found
`a wealth of other insights
`into body chemistry hidden
`in Angerprints. For instance,
`they were able to measure
`cholesterol, nicotine, and
`hormone levels in subjects'
`Angerprints. "Down the road,
`maybe police will be able to
`say, 'This Angerprint was left
`by a 34-year-old male who
`smoked marijuana and had
`high cholesterol,' " says team
`member Stephen Jarboe of
`Transylvania University in
`Lexington, Kentucky.
`Buchanan says she hopes
`the Andings will spur
`researchers to develop
`systems for proAling
`criminals and diagnosing
`diseases without surgery.
`
`Posted in: Chemistry, Health
`
`Sifter
`
`http://www.sciencemag.org/news/1997/04/fleeting-fingerprints-may-yield-powerful-new-tools
`
`Page 3 of 6
`
`

`

`Fleeting Fingerprints May Yield Powerful New Tools | Science | AAAS
`
`11/2/17, 9:11 AM
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`http://www.sciencemag.org/news/1997/04/fleeting-fingerprints-may-yield-powerful-new-tools
`
`Page 4 of 6
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`Fleeting Fingerprints May Yield Powerful New Tools | Science | AAAS
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`11/2/17, 9:11 AM
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`
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`Fleeting Fingerprints May Yield Powerful New Tools | Science | AAAS
`
`11/2/17, 9:11 AM
`
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