PHOTO-IONIZATION DETECTORS AND ASSOCIATED METHODS THEREOF

PHOTO-IONIZATION DETECTORS AND ASSOCIATED METHODS THEREOF

A photo ionization detector (PID) is provided for selectively determining various compounds or gases present in a breath sample. The PID, comprises a substrate comprising a gas ionization chamber, at least one pair of ion sensing electrodes, and at least one amplifying circuit; and an ultraviolet (U...

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Hauptverfasser: CHEN NANNAN, WANG XUEFENG, PIETRZYKOWSKI MATTHEW DAMIAN, CHEN RUI, CHEN CHENG-PO, LI BO
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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creator CHEN NANNAN
WANG XUEFENG
PIETRZYKOWSKI MATTHEW DAMIAN
CHEN RUI
CHEN CHENG-PO
LI BO
description A photo ionization detector (PID) is provided for selectively determining various compounds or gases present in a breath sample. The PID, comprises a substrate comprising a gas ionization chamber, at least one pair of ion sensing electrodes, and at least one amplifying circuit; and an ultraviolet (UV) ionization source to transmit a UV light beam into the gas ionization chamber. A system comprises the PID is also provided. A method of detecting a response pattern for various compounds or gases in breath using PID is also provided.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
title PHOTO-IONIZATION DETECTORS AND ASSOCIATED METHODS THEREOF
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