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InSource Diagnostic ToxLok

InSource Diagnostic launched ToxLok for the verification of urine-based drug tests. ToxLok uses a buccal swab along with the urine sample, and DNA markers from the swab and urine are matched. The test can identify synthetic urine and samples that may be from a friend or relative. ToxLok uses 52 genetic markers to identify each patient and urine sample. Analysis is done by qPCR and MALDI-TOF mass spectrometry. 

The Scan

Alzheimer's Risk Gene Among Women

CNN reports that researchers have found that variants in MGMT contribute to Alzheimer's disease risk among women but not men.

Still Hanging Around

The Guardian writes that persistent pockets of SARS-CoV-2 in the body could contribute to long COVID.

Through a Little Spit

Enteric viruses like norovirus may also be transmitted through saliva, not just the fecal-oral route, according to New Scientist.

Nature Papers Present Method to Detect Full Transcriptome, Viruses Infecting Asgard Archaea, More

In Nature this week: VASA-seq approach to detect full transcriptome, analysis of viruses infecting Asgard archaea, and more.