The bottom row shows movie frames where a methane gas sample cell is moved by hand across the field - of - view. (sciencedaily.com)
The test aims to detect and prevent the progression of HPV - induced cervical cancer and other abnormalities in the female genital tract by sampling cells from the outer opening of the cervix of the uterus and the endocervix. (sciencedaily.com)
Swallowed by patients, the gelatin capsule dissolves and the sponge expands, such that when it's pulled back out, it comprehensively samples cells from the whole oesophagus, entirely removing the risk of sampling bias. (cancerresearchuk.org)