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The M-Vac System enables investigators to solve more crime through better DNA collection. It helps detectives and crime scene investigators close difficult open and cold cases. For example, the M-Vac found probative DNA on a cold case victim's water soaked clothing, allowing the case to move forward. The M-Vac can help you move cases forward as well.

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Why M-Vac

Detectives, Crime Scene Investigators and Forensic Scientists now have access to a new and superior DNA material collection capability. Due to this increase, the potential of producing a DNA profile from difficult substrates such as clothing has never been at the level the M-Vac is capable of producing.

Even the best detection equipment cannot amplify DNA that is not recovered in the sampling or collection process. DNA profiling and detection can be no better than the sample. Fortunately, should a DNA sample from swabbing, taping or cutting fail to produce results, both casework and independent research have proven that the M-Vac System may still be able to collect sufficient DNA material to generate a profile.

For example, In an independent verification, after swabbing a saliva stain on cotton fabric, the M-Vac was still able to collect 22X more saliva DNA. This shows that not only does the swab leave a significant amount of DNA material behind, but also that the M-Vac System is much more capable of collecting DNA material from porous surfaces. Investigators must now evaluate evidence with this in mind. Did the swab not collect the DNA from the substrate, or was there really no DNA material there?



The M-Vac wet-vacuum system collects more forensic DNA material from the evidence than traditional methods. It sprays down and vacuums up a sterile solution from the evidence surface collecting the DNA material. Better collection equals better DNA profiles and profiles that could not be obtained before. It means more cases are being solved and detectives are moving forward both cold and active cases.

As a new and disruptive wet-vacuum collection platform, the M-Vac System excels at collecting microscopic particles, such as the cells found in saliva, blood or seminal fluids. It collects cells from a wide variety of surfaces like fabrics, carpet, tile, walls and other surfaces. The M-Vac is superior to swabs, tape, sponges and contact plates in efficacy, especially on porous surfaces. Whether you need to sample forensic evidence in a crime lab or collect DNA material from a difficult object or stain at a crime scene, the M-Vac provides a forensic DNA collection capability that previously did not exist, surpassing swabbing by as much as 100X.

Referred to as a wet-vacuum sampling device, a vacuum-assisted instrument, a forensics vacuum and other descriptive terms, the M-Vac System is quickly becoming well known in the forensics field as the DNA collection method to turn to when obtaining a DNA profile is critical for the case, yet traditional methods such as swabbing, cutting and taping are not getting the job done.


Questions regarding wet-vacuum forensic DNA collection, specific data or casework, or any MSI product or service can be answered by our team located in Sandy, Utah. As specialists in wet-vacuum and forensic DNA collection we can address your needs and show you the advantages of sampling with the M-Vac.


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