Portable DNA analyzer confirms identity within 1 hour

NEC Corporation recently announced that its DNA analyzer suitable for forensic applications has completed field trials. This portable DNA analyzer (P-DNA Analyzer) can quickly identify human DNA within 1 hour, which is expected to greatly reduce the time required to identify suspects and make arrests.

Last month, NEC, NEC New Zealand and the New Zealand Institute of Environmental Science (ESR) conducted field trials to determine whether the instruments can identify criminals faster, while maintaining the same quality and accuracy as existing DNA tests. ESR is a New Zealand government-owned research institute that specializes in providing forensic services to police in the country.

A NEC spokesman said the company plans to launch a pre-production version of P-DNA Analyzer in 2014 for screening. The company also plans to upgrade to the full version of the forensic application in 2015. Although several companies currently provide DNA identification products, including Life Technologies, GE Healthcare and Promega, the advantages of P-DNA Analyzer are its portability and fast turnaround time. The spokesman said: "The concept of a portable DNA analyzer is that DNA analysis can be quickly completed by anyone and anywhere. According to the usual practice, the DNA analysis process is to first collect samples from the crime scene and send them to the laboratory, waiting for analysis and pairing And arrest again. P-DNA eliminates the need to transport samples and allows DNA analysis to be carried out quickly on site. Therefore, the time required to identify suspects and make arrests is greatly reduced. "

According to reports, P-DNA Analyzer is composed of a chip, a reagent pack and an analyzer device. It integrates the four steps of the DNA analysis process-DNA extraction, polymerase chain reaction, electrophoresis and STR analysis. Can provide results.

During the field test, the system was used to analyze mucus and blood, including liquids, solids, and spots, and compared with ESR's existing reference maps. They analyzed a total of 34 samples, each less than 1 hour. In addition, the analysis included a saliva sample from the plastic bottle mouth and a mixed oral sample from two individuals. According to NEC, the test results are "very encouraging and represent an important milestone for P-DNA Analyzer to move towards commercial release."

According to reports, the price of the platform is about 10,000,000 yen (about 100,000 US dollars). Initially, the company will focus its efforts on promotion to the police department, but laboratories with backlogs of DNA samples are also an opportunity.

In addition to the crime scene, this instrument is expected to be used in disaster scenes, clinics, borders, and DNA laboratories. Minoru Asogawa, director of the NEC DNA project, said the technology can also be used in medical, immigration, and food, agriculture, and animal pedigree determination.

NEC has not yet tested P-DNA Analyze in life science applications. According to the spokesperson, for these tasks, reagents and processing steps need to be improved. However, he also said, "We may also extend this technology to life science applications."

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