Title:
STAINING SOLUTION, PLASTIC DETECTING METHOD, PROCESSING DEVICE, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/239852
Kind Code:
A1
Abstract:
This plastic detecting method includes: a step of staining a sample containing a plastic particle using a staining solution obtained by dissolving a coumarin-based fluorescent dye in an organic solvent; and a step of detecting a stained part from image data obtained by capturing an image of the stained plastic particle.
Inventors:
ARAKAWA HISAYUKI (JP)
NAKANO HARUKA (JP)
CHENG YIPENG (JP)
NAKANO HARUKA (JP)
CHENG YIPENG (JP)
Application Number:
PCT/JP2022/020143
Publication Date:
November 17, 2022
Filing Date:
May 13, 2022
Export Citation:
Assignee:
TOKYO UNIV OF MARINE SCIENCE AND TECHNOLOGY (JP)
International Classes:
G01N15/00; C09B57/02; G01N15/02; G01N21/64
Foreign References:
| EP1516895A1 | 2005-03-23 | |||
| JPS5466928A | 1979-05-29 | |||
| JP2000043423A | 2000-02-15 | |||
| JPH05222303A | 1993-08-31 | |||
| CN109337104A | 2019-02-15 | |||
| JPH03115374A | 1991-05-16 | |||
| JPH04246425A | 1992-09-02 | |||
| CN110713734A | 2020-01-21 | |||
| CN108623825A | 2018-10-09 | |||
| CN110006723A | 2019-07-12 | |||
| CN110632051A | 2019-12-31 | |||
| EP3951355A1 | 2022-02-09 |
Other References:
CHENG Y: " New method for detecting microplastics involving staining with coumarin 6", ABSTRACTS OF THE JAPANESE-FRENCH OCEANOGRAPHIC SOCIETY; JUNE 19, 2021, 19 June 2021 (2021-06-19) - 19 June 2021 (2021-06-19), JP, pages 1 - 1, XP009542599
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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