Lawrence Livermore National Security, LLC

Tashi Parsons-Davis

Joshua D Kuntz

Andrew J Pascall

Elaine Lee

Kenton J Moody

Bryan B Bandong

Kevin E Roberts

Narek Gharibyan

Jennifer A Shusterman

Anna G Servis

Kin I Sio

A method includes acquiring particles doped with at least one analyte and forming a monolithic reference material. The method includes forming includes using the analyte-doped particles as feedstock particles in an additive manufacturing process. A product includes a monolithic reference material formed of Stöber particles doped with a trace element. A method includes acquiring particles doped with platinum group elements (PGEs). The method includes forming a monolithic reference material using the PGE-doped particles as feedstock particles in an additive manufacturing process.

Additive manufacturing of microanalytical reference materials

The present disclosure relates to a membrane extraction apparatus for extracting a component from a first liquid. The apparatus may incorporate a housing comprised of first and second mating housing halves, with each housing half having an open faced channel formed therein such that the channels at least partially overlay one another when the two housing halves are secured together. A membrane filter is disposed between the two housing halves to overlay the open faced channels. The membrane filter extracts the component from the first liquid and transfers the component into the second liquid as the first and second liquids flow through the first and second housing halves.

Modular, disposable 3D printed microfluidic membrane system for separation and purification

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Antioch, CA, United States of America

Tashi Parsons-Davis