Y-Screening2018-11-20T23:05:47+00:00

Project Description

Y-Screening

Detecting male DNA in forensic samples faster, more efficiently and more cost-effectively, for sexual-assault and other types of cases.

New legislation and media scrutiny regarding processing sexual-assault evidence-collection kits more quickly have prompted labs to take a second look at their laboratory-processing steps for these types of cases.

PROBLEM: Traditional serological testing methods can be labor-intensive as well as time-consuming, and testing efficacy can vary depending on the expertise of each bench analyst.

SOLUTION: Since 2010, Sorenson Forensics has optimized and implemented a high-throughput serology process (Y-screening) that has significantly increased our laboratory’s capacity to analyze more sexual assault evidence on a monthly basis.

We have utilized our Lean Six Sigma expertise to create guidelines and thresholds for our Y-screening results in order to identify and focus on the success rates of obtaining a DNA profile for comparison and/or CODIS upload.

Y Screening

During our validation of the Y-Screening procedure, we found that a PCR-based upfront screening process yielded greater sensitivity and a more comprehensive assessment of the prospective samples that could continue on for DNA typing. These validation results corroborated our hypothesis that the Y-screening method is a viable alternative to traditional serology methods—such as microscopic examination—for the detection of male DNA.

swabs

In addition to the Y-screening PCR analysis of the evidentiary swabs contained in the sexual-assault kit, Sorenson Forensics is able to conduct a p30 and/or amylase immunological assay on all positive swabs and/or samples in order to provide body-fluid identification, if needed.

QUALITY GUARANTEE

The team of forensic scientists here at Sorenson Forensics pursue a quality-centric directive. This passion for a quality first culture embodies our mission, drives our persistence and delivers our dedication to truth. We understand the signification and importance our work has on the lives it touches. We do not take this responsibility lightly, as a result, we have developed built-in redundancies for checks and balances, introduced unparalleled quality assurance measures, and optimized processes befitting our world-class laboratory status.

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WORKING HOURS

8:30am – 5:00pm