Device and method for assessing oxidative potential of ambient particulate matter

Vishal Verma; Haoran Yu; Joseph V Puthussery

Device and method for assessing oxidative potential of ambient particulate matter

Vishal Verma (Inventor)
, Haoran Yu (Inventor)
, Joseph V Puthussery (Inventor)

Civil and Environmental Engineering

Research output: Patent

Abstract

Disclosed herein are instruments and related methods for measuring oxidative potential (OP) in airborne particulates, particularly PM2.5. The instrument is formed from three main components: a sample injector, a sample incubator and a measurement system. The instrument provides an automatic measure of five OP endpoints in a relatively rapid time frame of less than 3 hours. In this manner, additional parameters beyond the gross particle concentration or mass per unit volume is obtained, including the biologically-relevant OP associated with PM2.5.

Original language	English (US)
U.S. patent number	12270821
Filing date	3/17/21
State	Published - Apr 8 2025

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title = "Device and method for assessing oxidative potential of ambient particulate matter",

abstract = "Disclosed herein are instruments and related methods for measuring oxidative potential (OP) in airborne particulates, particularly PM2.5. The instrument is formed from three main components: a sample injector, a sample incubator and a measurement system. The instrument provides an automatic measure of five OP endpoints in a relatively rapid time frame of less than 3 hours. In this manner, additional parameters beyond the gross particle concentration or mass per unit volume is obtained, including the biologically-relevant OP associated with PM2.5.",

author = "Vishal Verma and Haoran Yu and Puthussery, \{Joseph V\}",

note = "STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Grant Number CBET-1847237 awarded by the National Science Foundation. The government has certain rights in the invention.; 12270821",

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day = "8",

language = "English (US)",

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T1 - Device and method for assessing oxidative potential of ambient particulate matter

AU - Verma, Vishal

AU - Yu, Haoran

AU - Puthussery, Joseph V

N1 - STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Grant Number CBET-1847237 awarded by the National Science Foundation. The government has certain rights in the invention.

PY - 2025/4/8

Y1 - 2025/4/8

N2 - Disclosed herein are instruments and related methods for measuring oxidative potential (OP) in airborne particulates, particularly PM2.5. The instrument is formed from three main components: a sample injector, a sample incubator and a measurement system. The instrument provides an automatic measure of five OP endpoints in a relatively rapid time frame of less than 3 hours. In this manner, additional parameters beyond the gross particle concentration or mass per unit volume is obtained, including the biologically-relevant OP associated with PM2.5.

AB - Disclosed herein are instruments and related methods for measuring oxidative potential (OP) in airborne particulates, particularly PM2.5. The instrument is formed from three main components: a sample injector, a sample incubator and a measurement system. The instrument provides an automatic measure of five OP endpoints in a relatively rapid time frame of less than 3 hours. In this manner, additional parameters beyond the gross particle concentration or mass per unit volume is obtained, including the biologically-relevant OP associated with PM2.5.

M3 - Patent

M1 - 12270821

Y2 - 2021/03/17

ER -

Device and method for assessing oxidative potential of ambient particulate matter

Abstract

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