Title:
ONE-STEP QUECHERS PRETREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/220618
Kind Code:
A1
Abstract:
A one-step QuEChERS pretreatment device. The device comprises an outer sleeve (1) and an inner sleeve (2) inserted into the outer sleeve (1). The inner wall of an open end of the outer sleeve (1) is provided with an outer tube thread (1-1). The inner sleeve (2) has an outer wall provided with an inner tube thread (2-1) that matches the outer tube thread (1-1), a lower end provided with a pushable piston (3), and a middle portion provided with a filter screen (4). An inner tube hole (2-2) is provided in the tube wall between the piston (3) and the filter screen (4). The piston (3) is sealedly fitted with the inner wall of the inner sleeve (2). The device can implement effective extraction of drugs in the blood of biological samples and the purification of blood matrix so as to obtain analysis samples in one step. The analysis samples can be directly analyzed with instruments. The device can complete operations of a QuEChERS method in the sleeves so as to save consumables and save space, is an efficient and environmentally friendly pretreatment analysis device, and can be widely applied to forensic poisons and sample pretreatment in forensic clinical analysis.
Inventors:
LIU YANG (CN)
HE XIAOWEI (CN)
WANG YU (CN)
HUANG QIANG (CN)
ZHANG BIN (CN)
FU XIONG (CN)
HE XIAOWEI (CN)
WANG YU (CN)
HUANG QIANG (CN)
ZHANG BIN (CN)
FU XIONG (CN)
Application Number:
PCT/CN2019/113800
Publication Date:
November 05, 2020
Filing Date:
October 28, 2019
Export Citation:
Assignee:
UNIV SOUTH CHINA TECH (CN)
International Classes:
G01N30/06
Foreign References:
| CN110031578A | 2019-07-19 | |||
| US20170326481A1 | 2017-11-16 | |||
| CN203745435U | 2014-07-30 | |||
| CN103698195A | 2014-04-02 | |||
| CN208678436U | 2019-04-02 |
Other References:
"LUMTECH SinChERS Dispersive Solid Phase Extraction New Product Launches One Step Replacement QuEChERS", HTTPS://M.ANTPEDIA.COM/NEWS/1439241.HTML, 17 November 2017 (2017-11-17), pages 1 - 14, XP055750672
LAN, TAO ET AL.: "Simultaneously Detection of 10 Organophosphorus Pesticides Residues in Tea by Sin-QuEChERS with UPLC-MS/MS", JOURNAL OF CHINESE MASS SPECTROMETRY SOCIETY, vol. 40, no. 3, 16 April 2019 (2019-04-16), pages 1 - 12, XP055750677
LAN, TAO ET AL.: "Simultaneously Detection of 10 Organophosphorus Pesticides Residues in Tea by Sin-QuEChERS with UPLC-MS/MS", JOURNAL OF CHINESE MASS SPECTROMETRY SOCIETY, vol. 40, no. 3, 16 April 2019 (2019-04-16), pages 1 - 12, XP055750677
Attorney, Agent or Firm:
YOGO PATENT & TRADEMARK AGENCY LIMITED COMPANY (CN)
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