Direct aspiration-reaction and injection device and methods of use

摘要

A device (8) comprising a chamber (25) having a first open end (3) and a second closed end (4), an elongate member (11) having first and second open ends (9, 10), and sealing means providing a seal between the elongate member (11) when received in the chamber (25). The second end (10) of the elongate member is slidably movable from a first position within the chamber (25) to a second position within the chamber (25) causing a change in pressure within the chamber (25). The device enables sample collection and analysis to be performed in a single chamber (25). Devices and methods including wax and reagent compositions within the chamber (25) are disclosed.