Remotely
Triggered Liquefaction of Hydrogel Materials
Posted on 2020-07-02 - 22:30
Adaptable behavior such as triggered
disintegration affords a broad
scope and utility for (bio)materials in diverse applications in materials
science and engineering. The impact of such materials continues to
grow due to the increased importance of environmental considerations
as well as the increased use of implants in medical practices. However,
examples of such materials are still few. In this work, we engineer
triggered liquefaction of hydrogel biomaterials in response to internal,
localized heating, mediated by near-infrared light as external stimulus.
This adaptable behavior is engineered into the readily available physical
hydrogels based on poly(vinyl alcohol), using gold nanoparticles or
an organic photothermal dye as heat generators. Upon laser light irradiation,
engineered biomaterials underwent liquefaction within seconds. Pulsed
laser light irradiation afforded controlled, on-demand release of
the incorporated cargo, successful for small molecules as well as
proteins (enzymes) in their biofunctional form.
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Pedersen, Søren
L.; Huynh, Tin H.; Pöschko, Philipp; Fruergaard, Anne Sofie; Jarlstad Olesen, Morten T.; Chen, Yaqing; et al. (2020). Remotely
Triggered Liquefaction of Hydrogel Materials. ACS Publications. Collection. https://doi.org/10.1021/acsnano.0c04522
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AUTHORS (11)
SP
Søren
L. Pedersen
TH
Tin H. Huynh
PP
Philipp Pöschko
AF
Anne Sofie Fruergaard
MJ
Morten T. Jarlstad Olesen
YC
Yaqing Chen
HB
Henrik Birkedal
GS
Guruprakash Subbiahdoss
ER
Erik Reimhult
JT
Jan Thøgersen
AZ
Alexander N. Zelikin