Biomacromolecules,
Journal Year:
2020,
Volume and Issue:
21(8), P. 3231 - 3241
Published: July 14, 2020
UV
filters
that
contain
one
or
two
aromatic
rings
in
conventional
sunscreens
generally
have
a
poor
photo-
and
thermal
stability
can
easily
penetrate
through
stratum
corneum
dermis
into
the
blood
vessel,
thus
causing
potential
health-threatening
issues.
Herein,
series
of
bioinspired
photostable
biocompatible
polydopamine-grafted
lignin
(AL-PDA)
with
strong
bioadhesion
been
synthesized
free
radical
addition
dopamine
(DA)
alkali
(AL).
AL-PDA
was
used
to
emulsify
organic
further
cross-linked
form
nanocapsules
ultrasonic
cavitation.
The
retention
rate
optimal
on
skin
surface
reached
87%
after
thorough
rinse
water
negligible
penetration
observed,
which
demonstrates
their
excellent
property.
Force
measurements
using
atomic
force
microscopy
(AFM)
quantitatively
revealed
adhesion
between
skin.
An
average
DA
grafting
number
4
would
be
required
endow
suitable
water-penetration
resistance.
were
as
sole
active
ingredient
for
formulating
sunscreen,
whose
sun
protection
factor
(SPF)
value
could
reach
195.33
dosage
∼10
wt
%
lasting
over
8
h
under
radiation.
as-prepared
possess
antioxidant
capacity
biocompatibility,
ensuring
superior
performance
safe
use
sunscreen.
This
work
provides
new
insights
development
biomass
advanced
function
materials
high-end
products.
Small,
Journal Year:
2020,
Volume and Issue:
16(18)
Published: March 26, 2020
Polydopamine
(PDA)
is
a
major
type
of
artificial
melanin
material
with
many
interesting
properties
such
as
antioxidant
activity,
free-radical
scavenging,
high
photothermal
conversion
efficiency,
and
strong
metal-ion
chelation.
The
affinity
PDA
to
wide
range
metals/metal
ions
has
offered
new
class
functional
metal-containing
polydopamine
(MPDA)
nanomaterials
promising
functions
extensive
applications.
Understanding
controlling
the
metal
coordination
environment
vital
achieve
desirable
for
which
materials
can
be
exploited.
MPDA
metal/metal
active
are
reviewed,
including
their
synthesis
applications
in
catalysis,
batteries,
solar
cells,
capacitors,
medical
imaging,
cancer
therapy,
antifouling,
antibacterial
coating.
current
trends,
limitations,
future
directions
this
area
also
explored.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(14), P. 8319 - 8343
Published: Jan. 1, 2021
This
review
provides
in-depth
insight
into
the
structural
engineering
of
PDA-based
materials
to
enhance
their
responsive
feature
and
use
them
in
construction
stimuli-responsive
smart
materials.
Materials Horizons,
Journal Year:
2020,
Volume and Issue:
8(1), P. 145 - 167
Published: Sept. 17, 2020
Polyphenols
are
a
class
of
ubiquitous
compounds
distributed
in
nature,
with
fascinating
inherent
biocompatible,
bioadhesive,
antioxidant,
and
antibacterial
properties.
The
unique
polyphenolic
structures
based
on
catechol
or
pyrogallol
moieties
allow
for
strong
non-covalent
interactions
(e.g.,
multiple
hydrogen
bonding,
electrostatic,
cation-π
interactions)
as
well
covalent
Michael
addition/Schiff-base
reaction,
radical
coupling
dynamic
coordination
boronate
metal
ions).
This
review
article
provides
an
overview
the
polyphenol-based
scaffolds
including
hydrogels,
films,
nanofibers
that
have
emerged
from
chemical
functional
signatures
during
past
years.
A
full
description
structure-function
relationships
terms
their
utilization
wound
healing,
bone
regeneration,
electroactive
tissue
engineering
is
also
carefully
discussed,
which
may
pave
path
towards
rational
design
facile
preparation
next-generation
polyphenol
applications.
Biomaterials Science,
Journal Year:
2020,
Volume and Issue:
8(18), P. 4940 - 4950
Published: Jan. 1, 2020
This
feature
article
summarizes
the
recent
progress,
challenges
and
future
directions
of
free
radical
scavengers
based
on
polydopamine,
including
integrated
mechanism,
current
regulating
strategies,
kinds
biomedical
applications.
Giant,
Journal Year:
2020,
Volume and Issue:
3, P. 100022 - 100022
Published: Aug. 1, 2020
Natural
polyphenols
have
attracted
great
interests
in
medicine,
food
and
cosmetics
due
to
their
versatile
functions
such
as
antioxidant,
anticancer
antibacterial.
The
polyphenolic
structures
(i.e.
catechol,
pyrogallol)
natural
are
responsible
for
strong
noncovalent
interactions
via
multiple
hydrogen
bonding
hydrophobic
interactions,
dynamic
covalent
complexation
with
boronate
groups
metal
ions.
In
this
review,
we
focused
on
the
preparation
applications
of
polyphenol-based
coating
films,
nanoparticles,
nanocapsules,
hydrogels
emerged
from
chemical
functional
signatures.
beneficial
role
mechanism
facilitating
delivery
proteins,
nucleic
acids
conventional
drug
molecules
were
reviewed.
Finally,
challenges
systems
perspectives
rational
design
next
generation
polyphenol
biomaterials
will
be
discussed.
Advanced Science,
Journal Year:
2020,
Volume and Issue:
7(7)
Published: Feb. 7, 2020
Developing
efficient,
sustainable,
and
biocompatible
high-tech
nanoplatforms
derived
from
naturally
existing
components
in
living
organisms
is
highly
beneficial
for
diverse
advanced
biomedical
applications.
Melanins
are
nontoxic
natural
biopolymers
owning
widespread
distribution
various
biosystems,
possessing
fascinating
physicochemical
properties
playing
significant
physiological
roles.
The
multifunctionality
together
with
intrinsic
biocompatibility
renders
bioinspired
melanin-like
nanomaterials
considerably
promising
as
a
versatile
powerful
nanoplatform
broad
bioapplication
prospects.
This
panoramic
Review
starts
an
overview
of
the
fundamental
properties,
preparation
methods,
polymerization
mechanisms
melanins.
A
systematical
well-bedded
description
recent
advancements
regarding
applications
then
given,
mainly
focusing
on
biological
imaging,
photothermal
therapy,
drug
delivery
tumor
treatment,
other
emerging
biomedicine-related
implementations.
Finally,
current
challenges
toward
clinical
translation
emphasis
innovative
design
strategies
future
striving
directions
rationally
discussed.
comprehensive
detailed
provides
deep
understanding
research
status
expected
to
motivate
further
optimization
novel
tailorable
marketable
multifunctional
biomedicine.
ACS Applied Materials & Interfaces,
Journal Year:
2019,
Volume and Issue:
12(2), P. 3068 - 3079
Published: Dec. 23, 2019
With
growing
interest
in
flexible
and
wearable
devices,
the
demand
for
nature-inspired
soft
smart
materials,
especially
intelligent
hydrogels
with
multiple
perceptions
toward
external
strain
temperatures
to
mimic
human
skin,
is
on
rise.
However,
simultaneous
achievement
of
skin-compatible
performances,
including
good
transparency,
appropriate
mechanical
properties,
autonomous
self-healing
ability,
mechanical/thermoresponsiveness,
retaining
flexibility
at
subzero
temperatures,
still
challenging
thus
limits
their
application
as
skinlike
devices.
Here,
conductive
nanocomposite
(NC
gels)
were
delicately
designed
prepared
via
gelation
oligo(ethylene
glycol)
methacrylate
(OEGMA)-based
monomers
a
glycerol–water
cosolvent,
where
inorganic
clay
served
physical
cross-linker
provided
ions.
The
resultant
NC
gels
exhibited
conductivity
(∼3.32
×
10–4
S
cm–1,
akin
biological
muscle
tissue)
an
autonomously
capacity
(healing
efficiency
reached
84.8%).
Additionally,
such
displayed
excellent
responded
well
strain/temperature
stimuli
subtle
motions
wide
temperature
range
(from
−20
45
°C).
These
distinguished
properties
would
endow
significant
applications
fields
biosensors,
human–machine
interfaces,
robotics.
