A porous membrane chamber separates motile sperm before transport, enabling more reliable quantitative fertility analysis outside the lab.
A containment ring between assay plates prevents liquid sample flow-out, preserves capillary force, and supports larger sample volumes.
Potential-change monitoring helps ion-selective electrode analyzers pinpoint air bubbles, vibration, and noise to improve measurement accuracy.
Movable image capture positions let one reader handle plate, cup, and other rapid test formats with accurate, user-friendly analysis.
A pressure-responsive filter blocks liquid at ambient conditions, then passes sample under vacuum to prevent leakage, contamination, and exposure.
Packed bed capture and MALDI-TOFMS analysis concentrate exhaled breath aerosols for rapid, non-invasive tuberculosis testing.
A sliding closure and buoyant lifting element quickly capture the initial urine volume, then divert later flow to reduce contamination.
Adding 1-10 ppm citric acid to the RPLC mobile phase chelates trace metals, preserving peptide peak resolution and reducing tailing over repeated runs.
In an aspirating smoke detector, dual flow meters compare airflow ratios to identify a clogged sensor filter and prompt timely maintenance.