Imaging Supramolecular Morphogenesis with Confocal Laser Scanning Microscopy at Elevated Temperatures
- Northwestern Univ., Chicago, IL (United States)
- Northwestern Univ., Evanston, IL (United States)
- Northwestern Univ., Chicago, IL (United States); Northwestern Univ., Evanston, IL (United States)
- Northwestern Univ., Evanston, IL (United States); Northwestern Univ., Chicago, IL (United States)
The morphogenesis of supramolecular assemblies is a highly dynamic process that has only recently been recognized, and our understanding of this phenomenon will require imaging techniques capable of crossing scales. Shape transformations depend both on the complex energy landscapes of supramolecular systems and the kinetically controlled pathways that define their structures and functions. We report here the use of confocal laser scanning microscopy coupled with a custom-designed variable-temperature sample stage that enables in situ observation of such shape changes. The submicrometer resolution of this technique allows for real-time observation of the nanostructures in the native liquid environments in which they transform with thermal energy. We use this technique to study the temperature-dependent morphogenic behavior of peptide amphiphile nanofibers and photocatalytic chromophore amphiphile nanoribbons. The variable-temperature confocal microscopy technique demonstrated in this work can sample a large volume and provides real-time information on thermally induced morphological changes in the solution.
- Research Organization:
- Energy Frontier Research Centers (EFRC) (United States). Center for Bio-Inspired Energy Science (CBES)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0000989
- OSTI ID:
- 1822879
- Alternate ID(s):
- OSTI ID: 1846637
- Journal Information:
- Nano Letters, Vol. 20, Issue 6; ISSN 1530-6984
- Publisher:
- American Chemical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
77 NANOSCIENCE AND NANOTECHNOLOGY
99 GENERAL AND MISCELLANEOUS
Supramolecular structures and assemblies
Nanofibers
Crystallization
Amphiphiles
Annealing (metallurgy)
Supramolecular assembly
Confocal microscopy
In situ microscopy
Nanoribbons
36 MATERIALS SCIENCE