A step-by-step flow cytometry gating strategy: scatter, singlets, viability, lineage and subsets, with FMO controls, compensation checks and common gating mistakes.
Step-by-step sandwich ELISA protocol with volumes and incubation times, ELISA formats, 4PL standard-curve analysis and troubleshooting for background and weak signal.
Choose a PCR or qPCR kit by downstream use, fidelity, amplicon length, cloning ends and SYBR vs probe chemistry, with MIQE guidance and a product map.
When to use IP, Co-IP, pull-down or ChIP; step-by-step immunoprecipitation and ChIP protocols, bead choice, cross-linking, chromatin shearing and essential controls.
Choose primary and secondary antibodies for Western blot, minimise cross-reactivity, confirm specificity with the five validation pillars, and titrate antibodies for flow cytometry.
Choose pipette tips by volume, fit, filter, retention and sterility; pipetting habits that improve accuracy; ISO 8655 gravimetric calibration and error limits.
The 2026 Nobel Prize in Physiology or Medicine went to Nagel, Hegemann and Deisseroth for optogenetics. Watch the 2-minute video: from a pond alga to a light switch for neurons.
