METHOD AND DEVICE FOR THE METERED APPLICATION OF A¹BIOCHEMICAL ANALYTICAL LIQUID TO A TARGET

摘要

Metered delivery of a biochemical analytical fluid to a target comprises pulsed ejection of portions of the fluid from a chamber through a nozzle to the target. The novelty is that a portion of the liq. in the chamber is briefly evaporated, at specific times, and expanded so as to eject a portion of the fluid through the nozzle. Appts. for this process is also claimed. Pref. the fluid is reagent liq. which contains a protein, esp. binding protein, enzyme, antibody, antibody-enzyme conjugate, antigen, hapten or substrate.