Sperm Penetration Assay (SPA) is a laboratory test used to evaluate the ability of sperm cells to move through and interact with biological barriers, providing information about sperm function beyond basic semen analysis. It is mainly used in reproductive research and, in some settings, fertility evaluation.
Smart Thermometers are connected temperature-measuring devices that combine traditional temperature sensing with digital electronics, wireless connectivity, data storage, and mobile applications. They are designed to provide faster readings, continuous monitoring, and easier tracking of temperature changes compared with conventional thermometers.
Small Arms are individual weapons designed to be carried and operated by one person. They are generally used by military, law enforcement, security personnel, and civilians where legally permitted. The term usually refers to firearms that are portable and fired by a single operator, as distinct from crew-served weapons such as heavy machine guns or artillery.Small Arms
A single-use filtration assembly typically consists of:
A disposable filter membrane or cartridge
Housing or filter capsule
Tubing and connectors
Clamps, valves, or fittings