Lipid Nanotube Tailored Fabrication of Uniquely Shaped Polydopamine Nanofibers as Photothermal Converters

Helically coiled and linear polydopamine (PDA) nanofibers were selectively fabricated with two different types of lipid nanotubes (LNTs) that acted as templates. The obtained coiled PDA‐LNT hybrid showed morphological advantages such as higher light absorbance and photothermal conversion effect comp...

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Bibliographic Details
Published in:Chemistry : a European journal 2016-03, Vol.22 (13), p.4345-4350
Main Authors: Ding, Wuxiao, Chechetka, Svetlana A., Masuda, Mitsutoshi, Shimizu, Toshimi, Aoyagi, Masaru, Minamikawa, Hiroyuki, Miyako, Eijiro
Format: Article
Language:English
Subjects:
Absorbance
Affinity
Cellular
Chemistry
Coiling
Conversion
Converters
Encapsulation
Fabrication
HeLa Cells
Humans
Indoles - chemistry
Irradiation
Lasers
Lipids
Lipids - chemistry
Morphology
morphology effect
Nanofibers
Nanofibers - chemistry
Nanostructure
Nanotechnology
nanotube
Nanotubes
Nanotubes - chemistry
PDA
Photochemical Processes
photothermal
Photothermal conversion
polydopamine
Polymers - chemistry
template synthesis
Tumor cells
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Summary:Helically coiled and linear polydopamine (PDA) nanofibers were selectively fabricated with two different types of lipid nanotubes (LNTs) that acted as templates. The obtained coiled PDA‐LNT hybrid showed morphological advantages such as higher light absorbance and photothermal conversion effect compared to a linear counterpart. Laser irradiation of the coiled PDA‐LNT hybrid induced a morphological change and subsequent release of the encapsulated guest molecule. In cellular experiments, the coiled PDA‐LNT efficiently eliminated HeLa cells because of its strong affinity with the tumor cells. This work illustrates the first approach to construct characteristic morphologies of PDA nanofibers using LNTs as simple templates, and the coiled PDA‐LNT hybrid exhibits attractive photothermal features derived from its unique coiled shape. Polydopamine (PDA) nanofibers with unique shapes were fabricated by using lipid nanotubes (LNT) as templates. A PDA‐LNT hybrid with helically coiled PDA nanofibers showed morphological advantages in high light absorbance and photothermal conversion effect compared to a linear counterpart. This new type of PDA‐LNT nanofiber hybrid could be useful in the development of various applications, such as biomedical technologies and sustainable energy materials.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201504958