The latest version of the BioStack MicroPlate Stacker from BioTek, Winooski, Vt, offers efficient de-lidding and re-lidding of microplates for sensitive cell-based assays. Compatible with BioTek’s washers, dispensers, detectors, and imaging systems, the BioStack 4 facilitates rapid plate exchange for assay workflows with and without plate lids to increase throughput and productivity. A rotational gripper allows ergonomically friendly instrument panel access and compact integration positioning. The device helps automate washing, detection, and liquid-handling processes with 96- and 384-well microplates. Stackers are available with 10, 30, or 50 removable and interchangeable microplate storage stacks. For more information, visit BioTek.