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Pathogen detection by simultaneous size/fluorescence measurement

A size, allergen technology used in the field of detecting particles in the air or water and classifying the detected particles

Active Publication Date: 2009-07-08
YAMATAKE HONEYWELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This discriminative measure pinpoints particle properties more clearly and is less dependent on statistical patterns than existing methods

Method used

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  • Pathogen detection by simultaneous size/fluorescence measurement
  • Pathogen detection by simultaneous size/fluorescence measurement
  • Pathogen detection by simultaneous size/fluorescence measurement

Examples

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Embodiment Construction

[0016] Figure 4 A schematic diagram of an optical system is shown, which can be used in the fluid particle detection system according to the first exemplary embodiment of the present invention. The first exemplary embodiment of this system is designed, for example, to detect biological agents released into the air or water by terrorists or others, but can also be used to detect mold or bacteria that are naturally present, accidental, inadvertent or intentionally released in air or water For general use such as hazardous particle concentrations, or for industrial applications such as food and pharmaceutical manufacturing plants and sterile rooms.

[0017] The term "fluid borne particles" as used herein refers to both airborne particles and waterborne particles.

[0018] The term "pathogen" as used herein refers to any airborne or waterborne particle, biological agent or toxic substance which, if present in sufficient quantities in the air or water, may injure or even kill a h...

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Abstract

A method and apparatus for detecting pathogens and particles in a fluid in which particle size and intrinsic fluorescence of a simple particle is determined.

Description

technical field [0001] The present invention generally relates to a method and system for detecting particles in air or water, and more particularly to a method and system for detecting particles in air or water and classifying the detected particles. The present invention is particularly useful in detecting and classifying allergens and biological warfare agents. The present invention will be described below for this purpose, but the present invention can also be used for other purposes. Background technique [0002] Terrorist attacks on cities involving the release of biological warfare agents such as anthrax bacillus are a current concern. Weaponized anthrax spores are extremely dangerous due to their ability to enter the human lungs. For humans, the lethal inhalation dose LD50 (a dose sufficient to kill 50% of individuals exposed to the bacteria) of Bacillus anthracis spores is estimated to be about 2500 to 50000 spores, see T.V.Inglesby et al. in JAMA, vol.281.page 17...

Claims

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Application Information

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IPC IPC(8): G01N21/00
CPCY02A50/30
Inventor 江建平迈克尔·莫雷尔格雷戈里·斯科特·莫里斯
Owner YAMATAKE HONEYWELL CO LTD
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