The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
Triton X-100 concentration effects on membrane permeability of a single HeLa cell by scanning electrochemical microscopy (SECM)
Open accessAbstract
Changes in HeLa cell morphology, membrane permeability, and viability caused by the presence of Triton X-100 (TX100), a nonionic surfactant, were studied by scanning electrochemical microscopy (SECM). No change in membrane permeability was found at concentrations of 0.15 mM or lower during an experimental period of 30 to 60 min. Permeability of the cell membrane to the otherwise impermeable, highly charged hydrophilic molecule ferrocyanide was seen starting at concentrations of TX100 of about 0.17 mM. This concentration level of TX100 did not affect cell viability. Based on a simulation model, the membrane permeability for ferrocyanide molecules passing though the live cell membrane was 6.5 ± 2.0 × 10 -6 m/s. Cells underwent irreversible permeabilization of the membrane and structural collapse when the TX100 concentration reached the critical micelle concentration (CMC), in the range of 0.19 to 0.20 mM. The impermeability of ferrocyanide molecules in the absence of surfactant was also used to determine the height and diameter of a single living cell with the aid of the approach curve and probe scan methods in SECM.
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Cites
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Biocompatibility evaluation of tissue-engineered decellularized scaffolds for biomedical application
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Electrochemical Detection of Single Phospholipid Vesicle Collisions at a Pt Ultramicroelectrode
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Self-citation
Metadata
- Authors
- Koley, D., & Bard, A. J.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2010-09-13
- Volume
- 107
- Issue
- 39
- Pages
- 16783-16787
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2005688834
- Cited by
- 411
- References
- 16
- FWCI
- 3.83
- Type
- journal article
- Language
- en
- Open access
- green
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