BIOINDICATOR TEST FOR RAPID ASSESSMENT OF DISINFESTATION OF SOIL, BOTTOM SEDIMENTS, SEWAGE SLUDGE QUALITY Russian patent published in 2024 - IPC G01N33/24 G01N1/28 A61L2/28 

FIELD: biotechnology.

SUBSTANCE: disclosed is a bioindicator test for rapid assessment of the quality of soil, soil, bottom sediments, sewage sludge, which is a cartridge holder of two bioindicator test strips, made in an arrow shape with length of 345 mm and width of 40 mm, which consists of two outer plastic sheets with thickness of 3 mm each, having gap of 15 mm wide and 300 mm long, between the external plastic sheets there is an internal plastic sheet with thickness of 3 mm, length of 300 mm and width of 8-9 mm, all plastic sheets of the holder are fastened together by 13 bolts with a concealed head M3×6, in the upper part of the cartridge holder there is a handle-holder, and each test strip of an organic glass cassette with length of 300 mm, width of 20 mm and thickness of 1-1.5 mm contains two holes with diameter of 7-10 mm every 50 mm and an adhesive track filtering membrane with pore diameter d₃-4.2 mcm on the inner surface for the entire width and length of the test strip, a suspension with bioagent eggs is placed at the level of each hole, between the filtering membranes.

EFFECT: invention ensures a reduction in the number of stages of testing.

1 cl, 3 dwg, 2 ex