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                            Funding & Awards
 Cost-Effective Printed Microfluidic Devices for Rapid Screening of Narcotics at the Point of Interdiction
Note:
              This awardee has received supplemental funding. This award detail page includes information about both the original award and supplemental awards.
Award Information
Awardee
              The Rector and Visitors of the University of Virginia
Award #
              2015-R2-CX-0033
Funding Category
              Continuation
Location
                    Charlottesville, VA
Congressional District
              5
Status
              Closed
Funding First Awarded
              2015
Total funding (to date)
              $145,962
Original Solicitation
              NIJ FY 15 Graduate Research Fellowship Program in Science, Technology, Engineering, and Mathematics
Description of original award (Fiscal Year 2015, $50,000)
As submitted by the applicant: The war on drugs initiated during the Reagan administration continues to be a national
crisis in the US. An increasing rate of drug abuse has motivated the development of new or
combinations of drugs prepared in private laboratories. To counter the abuse of drugs by acquiring stringent legislation, ultimately, the final outcome of these cases is placed on the reliable identification of controlled substances. This pressure placed on laboratories to analyze field samples is not alleviated by the current field identification methods for illicit drug
detection. Current field identification methods rely solely on a subjective interpretation of readout (color change) using drug-specific colorimetric reactions. The human factor is not insignificant in a variety of issues, from poor training to colorblindness and varied chemical response due to improper storage and volume of sample input. These common complications put an increased burden on the local and state laboratories, negatively affecting the turn around time for processing field samples. With the initiative to intensify regulation in a serious effort to decrease the societal impact from drug abuse, an efficient field detection method is necessary for detecting controlled substances. We plan to address this problem with a microfluidic system that
accepts single-use, disposable microchips fabricated by laser print lithography, with reagents embedded by a complimentary reagent printing process, for <$1 and a modified Sony Discman® to drive fluid flow and chemical reaction with centrifugal force. An integrated Android cellphone functions as the colorimetric detector with a home-built embedded
application interpreting the average pixel color density and associating it with a drug or drug class. The final prototype incorporating the developed microdevice, instrumentation, and cell phone for image capture and processing will be optimized by detecting cocaine, methamphetamine, amphetamine, heroin, codeine, ecstasy, and marijuana. The final TRL4/5 prototype system will be tested at: the Defense Forensic Science Center (crime scene
investigators), the University West Virginia (Dr. Suzanne Bell), the Virginia Dept. of Forensic Science (VDFS) and Virginia State Trooper (Al Worsham). For an enhanced system to be a major improvement, it must be fully automated to reduce subjectivity, inexpensive, handheld, capable of rapid screening and parallel processing, and include an on-board optical detector. A
rotation-driven microfluidic device innovatively incorporates all criteria at a level that no new promising technology has been able to do.

This project contains a research and/or development component, as defined in applicable law.

ca/ncf
Supplemental Award 1 (Fiscal Year 2016, $50,000)
As submitted by the applicant: The war on drugs initiated during the Reagan administration continues to be a national crisis in the US. An increasing rate of drug abuse has motivated the development of new or combinations of drugs prepared in private laboratories. To counter the abuse of drugs by acquiring stringent legislation, ultimately, the final outcome of these cases is placed on the reliable identification of controlled substances. This pressure placed on laboratories to analyze field samples is not alleviated by the current field identification methods for illicit drug detection. Current field identification methods rely solely on a subjective interpretation of readout (color change) using drug-specific colorimetric reactions. The human factor is not insignificant in a variety of issues, from poor training to colorblindness and varied chemical response due to improper storage and volume of sample input. These common complications put an increased burden on the local and state laboratories, negatively affecting the turn around time for processing field samples. With the initiative to intensify regulation in a serious effort to decrease the societal impact from drug abuse, an efficient field detection method is necessary for detecting controlled substances. We plan to address this problem with a microfluidic system that accepts single-use, disposable microchips fabricated by laser print lithography, with reagents embedded by a complimentary reagent printing process, for <$1 and a modified Sony Discman® to drive fluid flow and chemical reaction with centrifugal force. An integrated Android cellphone functions as the colorimetric detector with a home-built embedded application interpreting the average pixel color density and associating it with a drug or drug class. The final prototype incorporating the developed microdevice, instrumentation, and cell phone for image capture and processing will be optimized by detecting cocaine, methamphetamine, amphetamine, heroin, codeine, ecstasy, and marijuana. The final TRL4/5 prototype system will be tested at: the Defense Forensic Science Center (crime scene investigators), the University West Virginia (Dr. Suzanne Bell), the Virginia Dept. of Forensic Science (VDFS) and Virginia State Trooper (Al Worsham). For an enhanced system to be a major improvement, it must be fully automated to reduce subjectivity, inexpensive, handheld, capable of rapid screening and parallel processing, and include an on-board optical detector. A rotation-driven microfluidic device innovatively incorporates all criteria at a level that no new promising technology has been able to do.
Note: This project contains a research and/or development component, as defined in applicable law.
nca/ncf.
    Supplemental Award 2 (Fiscal Year 2017, $45,962)
Rapid screening of narcotics and explosives is critical ensuring public safety and controlling crime, especially at the state and local levels of law enforcement.
The increasing rate of drug abuse has motivated the development of new or combinations of drugs prepared in private laboratories. Explosives have also been a threat concern with various historical examples of events resulting in casualties.
Explosives are of increasing concern due to the accessibility of sharing procedures worldwide over the Internet for producing explosives. Current presumptive tests for drugs and explosives are colorimetric, with over forty different combinations of reagents and different test pouches needed to accommodate this screening demand.
The final outcome of these cases is placed on reliable identification. This pressure placed on laboratories to analyze field samples is not alleviated by the current field identification methods. These common complications put an increased burden on local and state laboratories,negatively affecting the turn around time for processing field samples. The research plan is to address this problem with a microfluidic system that accepts single-use, disposable microchips fabricated by laser print lithography, with embedded reagents, for <$1 and a modified Sony Discman® to drive fluid flow and chemical reaction with centrifugal force. An integrated Android cellphone functions as the colorimetric detector with a home-built application interpreting pixel color density and associating it with a drug/explosive or drug/explosive class. The final prototype incorporating the developed microdevice, instrumentation, and cell phone for image capture and processing will be optimized by detecting cocaine, methamphetamine, amphetamine, heroin, codeine, ecstasy, marijuana, TNT, DNT, tetryl, perchlorate, ammonium, nitrate, and peroxide. The final TRL4/5 prototype system will be tested at: the Defense Forensic Science Center (crime scene investigators), the University West Virginia (Dr. Suzanne Bell) and Virginia State Trooper (Al Worsham). For an enhanced system to be a major improvement, it must be fully automated to reduce subjectivity, inexpensive, handheld, capable of rapid screening and parallel processing, and include an on-board optical detector. A rotation-driven microfluidic device innovatively incorporates all criteria at a level that no new promising technology has been able to do.
This project contains a research and/or development component, as defined in the applicable law.
nca/ncf


  
Grant-Funded Publications
        
                      Development of Portable Sample-In-Answer-Out Microfluidic Systems for On-Site Analyte Detection
                  Centrifugal Microfluidic Devices Using Low-Volume Reagent Storage and Inward Fluid Displacement for Presumptive Drug Detection
                  Simple Reagent Storage in Polyester-Paper Hybrid Microdevices for Colorimetric Detection
                  Color Manipulation Through Microchip Tinting for Colorimetric Detection Using Hue Image Analysis
                  Objective Method for Presumptive Field-Testing of Illicit Drug Possession Using Centrifugal Microdevices and Smartphone Analysis
                  Objective Method for Presumptive Field-Testing of Illicit Drug Possession Using Centrifugal Microdevices and Smartphone Analysis

  
Date Created: September 15, 2015
    
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