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Globule-to-Coil Transition of a Single Homopolymer Chain in Solution
Abstract
Using a nearly monodisperse high molar mass poly( $N$-isopropylacrylamide) (PNIPAM) sample, we successfully made the conformation change of individual PNIPAM chains from a coil to a fully collapsed stable single chain globule in an extremely dilute aqueous solution, which enabled us to study for the first time the globule-to-coil transition of a single homopolymer chain in solution. A comparison to the coil-to-globule and the globule-to-coil transitions revealed a hysteresis in the globule-to-coil transition. Our results also confirmed the existence of two additional thermodynamically stable states between the coil and the globule states, namely, the crumpled coil and the molten globule.
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Cited by
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Laurent, S., Dutz, S., Häfeli, U. O., & Mahmoudi, M. (2011) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2011.04.003 · Cited by 1,326
Poly(N‐isopropylacrylamide) Phase Diagrams: Fifty Years of Research
Halperin, A., Kröger, M., & Winnik, F. M. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201506663 · Cited by 1,083
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Ballauff, M., & Lu, Y. (2007) · Polymer · doi:10.1016/j.polymer.2007.02.004 · Cited by 425
Effects of Hofmeister Anions on the LCST of PNIPAM as a Function of Molecular Weight
Zhang, Y., Furyk, S., Sagle, L. B., Cho, Y., Bergbreiter, D. E., & Cremer, P. S. (2007) · The Journal of Physical Chemistry C · doi:10.1021/jp0690603 · Cited by 400
Martin, E. W., & Holehouse, A. S. (2020) · Emerging Topics in Life Sciences · doi:10.1042/etls20190164 · Cited by 281
Metadata
- Authors
- Wu, C., & Wang, X.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1998-05-04
- Volume
- 80
- Issue
- 18
- Pages
- 4092-4094
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2143270746
- Cited by
- 633
- References
- 0
- FWCI
- 1.80
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wu, C., & Wang, X. (1998). Globule-to-Coil Transition of a Single Homopolymer Chain in Solution. Physical Review Letters. https://doi.org/10.1103/physrevlett.80.4092
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