Electrokinetic motion and viability assessment of algae with a polyethylene glycol-dextran interface.
ATPS
algae viability assessment
ballast water analysis
electrokinetic velocity
Journal
Electrophoresis
ISSN: 1522-2683
Titre abrégé: Electrophoresis
Pays: Germany
ID NLM: 8204476
Informations de publication
Date de publication:
Dec 2023
Dec 2023
Historique:
revised:
14
05
2023
received:
21
03
2023
accepted:
28
06
2023
medline:
4
12
2023
pubmed:
13
7
2023
entrez:
13
7
2023
Statut:
ppublish
Résumé
At present, there is still limited report on the electrokinetic (EK) behavior of bioparticles at the interface of an aqueous two-phase system. In this paper, the EK motion and viability assessment of live algae mixed with the NaClO treated dead algae were carried out at the interface formed by polyethylene glycol (PEG)-rich phase and dextran (DEX)-rich phase in a straight microchannel. The experimental results show that both the live and dead algae at the PEG-DEX interface migrate from the negative electrode to the positive electrode, and the EK velocity of live algae at the interface is slightly larger than that of the dead ones with similar diameters. For either live or dead algae, the EK velocity at the interface decreases with the increase in diameter. A size-velocity curve was used to evaluate the viability of the algae. As most of the microorganisms in ballast water are algae, the method in this paper provides a promising way to detect and evaluate the live microorganism in treated ballast water of a ship.
Identifiants
pubmed: 37438992
doi: 10.1002/elps.202300057
doi:
Substances chimiques
Polyethylene Glycols
3WJQ0SDW1A
Dextrans
0
Water
059QF0KO0R
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1818-1825Subventions
Organisme : National Natural Science Foundation of China
ID : 52001049
Organisme : National Natural Science Foundation of China
ID : 51979019
Informations de copyright
© 2023 Wiley-VCH GmbH.
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