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1. Dielectrophoretic separation of microalgae cells in ballast water in a microfluidic chip

Author:
Wang, Yanjuan; Wang, Junsheng; Wu, Xudong; Jiang, Zong; Wang, Wei
Source:
Electrophoresis 2019 v.40 no.6 pp. 969-978
ISSN:
0173-0835
Subject:
Closterium; bacteria; ballast water; dielectrophoresis; electric field; electrodes; electrophoresis; microalgae; microparticles; microplastics; organ-on-a-chip
Abstract:
... The composition of the ship's ballast water is complex and contains a large number of microalgae cells, bacteria, microplastics, and other microparticles. To increase the accuracy and efficiency of detection of the microalgae cells in ballast water, a new microfluidic chip for continuous separation of microalgae cells based on alternating current dielectrophoresis was proposed. In this microfluidi ...
DOI:
10.1002/elps.201800302

2. High‐throughput 96‐well solid‐phase extraction for preparation of tetracycline followed by liquid chromatography and mass spectrometry analysis

Author:
Chen, Kang; Wang, Jie; Li, Shiyan; Wang, Yang; Zhang, Yiqi; Shen, Qing
Source:
Electrophoresis 2019 v.40 no.4 pp. 555-562
ISSN:
0173-0835
Subject:
Mycoplasma; Spirochaetes; aquaculture; bacteria; electrophoresis; labor; methanol; microparticles; pH; protocols; quarantine; solid phase extraction; solvents; sorbents; tandem mass spectrometry; tetracycline; ultra-performance liquid chromatography
Abstract:
... Tetracyclines abuse has frequently occurred in aquaculture against bacteria, rickettsiae, spirochetes, and mycoplasmas. In this study, a high‐throughput sample preparation method was developed using 96‐well plate solid‐phase extraction (p‐SPE) and the extract was analyzed by ultra‐performance liquid chromatography tandem mass spectrometry (UPLC‐MS/MS). The experimental conditions were optimized su ...
DOI:
10.1002/elps.201800473