GH vs CE Comparison

Guardant Health, based in Redwood City, California, is a leader in liquid-based cancer tests for clinical and research use. The company offers Guardant360 LDT, a liquid biopsy test for treatment selection in advanced-stage cancer, Guardant360 CDx, an FDA-approved companion diagnostic for several targeted therapies, and Guardant Omni, a broader gene panel for immuno-oncology research. In 2021, Guardant launched Reveal, a tumor-agnostic molecular residual disease test. In 2024, the company received US FDA approval for Shield, a liquid biopsy for colorectal cancer screening. Additionally, Guardant offers research development services such as regulatory approval consultancy and clinical trial referrals.

Celanese is one of the world's largest producers of acetic acid and its downstream derivative chemicals, which are used in various end markets, including coatings and adhesives. The company is also one of the largest producers of specialty polymers, which are used in the automotive, electronics, medical, building, and consumer end markets. The company also makes cellulose derivatives used in cigarette filters.