TSBX vs PMD Comparison

Turnstone Biologics Corp is a clinical-stage biotechnology company focused on developing new medicines to treat and cure patients with solid tumors. The company is pioneering a differentiated approach to tumor-infiltrating lymphocytes, or TILs, a clinically validated technology for treating solid tumors. It is developing next-generation TIL therapies by selecting the most potent and tumor-reactive T cells, which are referred to as Selected TILs. TILs are a type of cell therapy that harnesses the patient's own immune cells to target their own tumors. TIL therapy involves the isolation of lymphocytes from the patient's tumor, expansion of the isolated cells outside the body, and then infusion of the cells back into the patient.

Psychemedics Corp is engaged in providing testing services for the detection of drugs of abuse through the analysis of hair samples. The company operates through a single segment of drug testing services which include training for the collection of samples and storage of positive samples for its customers for an agreed-upon fee per unit testing of samples. The testing methods of the company utilize a patented technology that digests the hair and releases drugs trapped in the hair without destroying the drugs. They provide testing services for the detection of drugs of abuse and other health markers through the analysis of hair samples. Geographically it generates the majority of its revenue from the United States.