Advanced Materials Technologies,
Journal Year:
2018,
Volume and Issue:
4(2)
Published: Dec. 13, 2018
Abstract
Emerging
classes
of
soft
robotics
with
flexible
actuation,
intelligent
sensibility,
and
biomimetic
functionality
are
driving
significant
advances
in
academic
researches
commercial
applications.
Such
new
generation
relies
heavily
on
important
breakthroughs
matter
engineering
actuation
systems.
Unlike
conventional
rigid
robots,
robots
generally
have
unique
sporting
styles
manufacturing
strategies.
Recently,
a
series
newly
developed
materials—gallium‐based
liquid
metals
(LMs)
found
to
display
dramatical
roles
making
machines
their
unusual
properties
robotic
self‐driven
field.
With
superior
merits
both
high
stretchability
electroconductivity
over
materials,
LM
is
increasingly
innovated
as
sensors
actuators
constructing
robots.
Typical
enabled
summarized
interpreted,
herein,
special
focus
the
principles
objects,
preparation
methods
electronics
for
applications
biomedicines
together
consideration
key
challenges
facing
LM‐based
its
future
prospects.
Advanced Materials,
Journal Year:
2017,
Volume and Issue:
29(27)
Published: April 18, 2017
The
use
of
liquid
metals
based
on
gallium
for
soft
and
stretchable
electronics
is
discussed.
This
emerging
class
motivated,
in
part,
by
the
new
opportunities
that
arise
from
devices
have
mechanical
properties
similar
to
those
encountered
human
experience,
such
as
skin,
tissue,
textiles,
clothing.
These
types
(e.g.,
wearable
or
implantable
electronics,
sensors
robotics,
e-skin)
must
operate
during
deformation.
Liquid
are
compelling
materials
these
applications
because,
principle,
they
infinitely
deformable
while
retaining
metallic
conductivity.
been
used
wires
interconnects,
reconfigurable
antennas,
sensors,
self-healing
circuits,
conformal
electrodes.
In
contrast
Hg,
low
toxicity
essentially
no
vapor
pressure
therefore
considered
safe
handle.
Whereas
most
liquids
bead
up
minimize
surface
energy,
presence
a
oxide
makes
it
possible
pattern
them
into
useful
shapes
using
variety
techniques,
including
fluidic
injection
3D
printing.
addition
forming
excellent
conductors,
can
be
actively
form
memory
devices,
diodes
completely
built
materials.
materials,
their
within
future
challenges
considered.
Chemical Society Reviews,
Journal Year:
2018,
Volume and Issue:
47(11), P. 4073 - 4111
Published: Jan. 1, 2018
Post-transition
elements,
together
with
zinc-group
metals
and
their
alloys
belong
to
an
emerging
class
of
materials
fascinating
characteristics
originating
from
simultaneous
metallic
liquid
natures.
Chemical Society Reviews,
Journal Year:
2017,
Volume and Issue:
46(22), P. 7021 - 7053
Published: Jan. 1, 2017
Chemotherapy
is
currently
one
of
the
most
effective
ways
to
treat
cancer.
However,
traditional
chemotherapy
faces
several
obstacles
clinical
trials,
such
as
poor
solubility/stability,
non-targeting
capability
and
uncontrollable
release
drugs,
greatly
limiting
their
anticancer
efficacy
causing
severe
side
effects
towards
normal
tissues.
Supramolecular
integrating
non-covalent
interactions
a
highly
promising
candidate
in
this
regard
can
be
appropriately
used
for
targeted
drug
delivery.
By
taking
advantage
supramolecular
chemistry,
some
limitations
impeding
applications
solved
effectively.
Therefore,
we
present
here
review
summarizing
progress
cancer
treatment
based
on
host-guest
recognition
provide
guidance
design
new
targeting
combining
diagnostic
therapeutic
functions.
Based
large
number
state-of-the-art
studies,
our
will
advance
basis
promote
translational
applications.
Advanced Materials,
Journal Year:
2018,
Volume and Issue:
30(50)
Published: Aug. 2, 2018
Soft
electronics
are
intensively
studied
as
the
integration
of
with
dynamic
nonplanar
surfaces
has
become
necessary.
Here,
a
discussion
strategies
in
materials
innovation
and
structural
design
to
build
soft
electronic
devices
systems
is
provided.
For
each
strategy,
presentation
focuses
on
fundamental
science
mechanics,
example
device
applications
highlighted
where
possible.
Finally,
perspectives
key
challenges
future
directions
this
field
presented.
Proceedings of the National Academy of Sciences,
Journal Year:
2017,
Volume and Issue:
114(9), P. 2143 - 2148
Published: Feb. 13, 2017
Soft
dielectric
materials
typically
exhibit
poor
heat
transfer
properties
due
to
the
dynamics
of
phonon
transport,
which
constrain
thermal
conductivity
(k)
decrease
monotonically
with
decreasing
elastic
modulus
(E).
This
thermal-mechanical
trade-off
is
limiting
for
wearable
computing,
soft
robotics,
and
other
emerging
applications
that
require
both
high
low
mechanical
stiffness.
Here,
we
overcome
this
constraint
an
electrically
insulating
composite
exhibits
unprecedented
combination
metal-like
conductivity,
compliance
similar
biological
tissue
(Young's
<
100
kPa),
capability
undergo
extreme
deformations
(>600%
strain).
By
incorporating
liquid
metal
(LM)
microdroplets
into
a
elastomer,
achieve
∼25×
increase
in
(4.7
±
0.2
W⋅m-1⋅K-1)
over
base
polymer
(0.20
0.01
W⋅m-1·K-1)
under
stress-free
conditions
∼50×
(9.8
0.8
when
strained.
exceptional
enabled
by
unique
coupling
exploits
deformability
LM
inclusions
create
thermally
conductive
pathways
situ.
Moreover,
these
offer
possibilities
passive
exchange
stretchable
electronics
bioinspired
demonstrate
through
rapid
dissipation
elastomer-mounted
high-power
LED
lamp
swimming
robot.
Chemical Society Reviews,
Journal Year:
2018,
Volume and Issue:
47(8), P. 2518 - 2533
Published: Jan. 1, 2018
To
date,
liquid
metals
have
been
widely
applied
in
many
fields
such
as
electronics,
mechanical
engineering
and
energy.
In
the
last
decade,
with
a
better
understanding
of
physicochemical
properties
low
viscosity,
good
fluidity,
high
thermal/electrical
conductivity
biocompatibility,
gallium
gallium-based
low-melting-point
(near
or
below
physiological
temperature)
alloys
attracted
considerable
attention
bio-related
applications.
This
tutorial
review
introduces
common
performances
metals,
highlights
their
featured
properties,
well
summarizes
various
state-of-the-art
bio-applications
involving
carriers
for
drug
delivery,
molecular
imaging,
cancer
therapy
biomedical
devices.
Challenges
clinical
translation
are
also
discussed.
Nature Communications,
Journal Year:
2017,
Volume and Issue:
8(1)
Published: May 31, 2017
Abstract
Room
temperature
liquid
metals
(LMs)
represent
a
class
of
emerging
multifunctional
materials
with
attractive
novel
properties.
Here,
we
show
that
photopolymerized
LMs
present
unique
nanoscale
capsule
structure
characterized
by
high
water
dispersibility
and
low
toxicity.
We
also
demonstrate
the
LM
nanocapsule
generates
heat
reactive
oxygen
species
under
biologically
neutral
near-infrared
(NIR)
laser
irradiation.
Concomitantly,
NIR
exposure
induces
transformation
in
shape,
destruction
nanocapsules,
contactless
controlled
release
loaded
drugs,
optical
manipulations
microfluidic
blood
vessel
model
spatiotemporal
targeted
marking
for
X-ray-enhanced
imaging
biological
organs
living
mouse.
By
exploiting
physicochemical
properties
LMs,
achieve
effective
cancer
cell
elimination
control
intercellular
calcium
ion
flux.
In
addition,
display
photoacoustic
effect
animals
during
treatment,
making
this
system
powerful
tool
bioimaging.
Materials Today,
Journal Year:
2015,
Volume and Issue:
19(5), P. 274 - 283
Published: Dec. 22, 2015
Cancer-associated
stimuli-responsive
nanosystems
have
been
increasingly
considered
for
the
delivery
of
anticancer
drugs,
which
primarily
target
tumor
microenvironment
and/or
intracellular
elements
to
enhance
intratumoral
accumulation
and
promote
drug
release
at
site.
The
signals
facilitating
include
endocytic
acidities,
hypoxia,
enzyme
overexpression,
as
well
high
levels
glutathione,
reactive
oxygen
species,
adenosine-5′-triphosphate.
This
article
reviews
current
techniques
ongoing
developments
in
using
these
signals.
In
particular,
focus
is
placed
on
design
strategies
methods
formulating
novel
nanoscaled
materials.
merits
drawbacks
recent
strategies,
potential
future
developments,
are
discussed.