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Abstract

A focused droplet nebulizer of the invention produces substantially uniform droplets of a predetermined size. Droplets are pushed out through a small outlet orifice by the contraction of a chamber. The droplets can be carried on a substantially non-divergent path in a drift tube. A piezo membrane micro pump acts in response to an electrical control signal to force a droplet out of the outlet orifice. The nebulizer can operate at frequencies permitting a stream of individual droplets of the predetermined size to be sent along the substantially non-divergent path in the drift tube in a preferred embodiment ELSD device.

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Patent Number

US7760355B2

Assignee

University of Missouri System

Application Number

US11191272

Date Filed

7-27-2005

Issue Date

7-20-2010

Focused droplet nebulizer for evaporative light scattering detector

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