Silica
aerogel
microspheres
are
known
for
their
unique
features
which
better
than
those
of
the
bulk
silica
aerogel,
including
excellent
biocompatibility
and
flowability,
have
a
broader
application
prospect
biomedicine,
adsorption
purification,
catalytic
reactions,
energy
storage,
sensing.
However,
production
high-quality
still
poses
significant
challenges,
such
as
low
sphericity,
difficult
size
adjustment,
uneven
morphology,
prolonged
drying
process,
especially
ambient
pressure
several
hours.
Herein,
we
report
novel
process
efficiently
synthesizing
through
use
microfluidic
techniques.
In
colloidal
sol
microdroplets
were
prepared
in
stepped
T-microchannels
to
achieve
adjustment
with
narrow
diameter
distribution
good
sphericity.
A
new
under
at
high
temperature
was
proposed,
realized
rapid
10
min
while
linear
shrinkage
less
5%.
Highly
spherical
uniform
diameters
adjustable
from
50–300
μm
successfully
fabricated.
The
exhibited
mesoporosity
along
ultralow
density,
specific
surface
area,
hydrophobicity.
addition,
factors
that
significantly
influence
final
morphology
been
thoroughly
researched.
This
innovative
offers
approach
efficient
synthesis
microspheres.
Polymers for Advanced Technologies,
Journal Year:
2024,
Volume and Issue:
35(12)
Published: Dec. 1, 2024
ABSTRACT
Aerogels
are
garnering
considerable
attention
in
biomedical
fields
due
to
their
unique
physicochemical
properties.
These
materials
noted
for
low
density,
high
porosity,
and
customizable
pore
structures,
making
them
highly
suitable
applications
such
as
drug
delivery,
regenerative
medicine,
wound
healing.
They
provide
excellent
platforms
loading
drugs
active
biomolecules.
Consequently,
research
into
the
therapeutic
potential
of
aerogels
has
surged,
both
vitro
vivo,
reflecting
an
increased
acknowledgment
promise.
Despite
this
growing
body
research,
detailed
data
on
vivo
performance
safety
remain
sparse.
While
polymer‐based,
silica‐based,
hybrid
generally
deemed
safe,
there
is
still
a
lack
comprehensive
understanding
regarding
acute,
subacute,
chronic
toxicity.
This
review
presents
thorough
examination
aerogels,
exploring
conventional
uses
innovative
like
decontamination.
We
assess
biological
impacts
cells
organisms,
focusing
effectiveness
safety.
Through
review,
we
aim
highlight
current
state
aerogel
field
pinpoint
key
areas
where
further
investigation
needed
ensure
safe
effective
use
medical
applications.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(22), P. 5413 - 5413
Published: Nov. 16, 2024
Carbon
aerogels
synthesized
via
the
polymerization
of
resorcinol
(R)
and
formaldehyde
(F)
exhibit
remarkable
physiochemical
properties,
such
as
high
thermal
stability
excellent
electrical
conductivity.
However,
their
limited
specific
surface
area
porosity
restrict
application
potential.
Herein,
we
developed
hierarchical
porous
carbon
using
a
one-step
carbonization
activation
method,
directly
converting
resin
into
aerogel
material
by
adding
KOH
an
activating
agent.
In
contrast
to
conventional
with
irregular
block
ground
structure,
our
substantially
enhanced
area,
total
pore
volume,
oxygen
content.
addition,
this
straightforward
fabrication
approach
holds
significant
promise
for
energy
storage
applications.
Notably,
C1,
KOH/RF
mass
ratio
1,
was
proven
be
most
effective
electrode
candidates,
achieving
capacitance
261.9
F·g
Silica
aerogel
microspheres
are
known
for
their
unique
features
which
better
than
those
of
the
bulk
silica
aerogel,
including
excellent
biocompatibility
and
flowability,
have
a
broader
application
prospect
biomedicine,
adsorption
purification,
catalytic
reactions,
energy
storage,
sensing.
However,
production
high-quality
still
poses
significant
challenges,
such
as
low
sphericity,
difficult
size
adjustment,
uneven
morphology,
prolonged
drying
process,
especially
ambient
pressure
several
hours.
Herein,
we
report
novel
process
efficiently
synthesizing
through
use
microfluidic
techniques.
In
colloidal
sol
microdroplets
were
prepared
in
stepped
T-microchannels
to
achieve
adjustment
with
narrow
diameter
distribution
good
sphericity.
A
new
under
at
high
temperature
was
proposed,
realized
rapid
10
min
while
linear
shrinkage
less
5%.
Highly
spherical
uniform
diameters
adjustable
from
50–300
μm
successfully
fabricated.
The
exhibited
mesoporosity
along
ultralow
density,
specific
surface
area,
hydrophobicity.
addition,
factors
that
significantly
influence
final
morphology
been
thoroughly
researched.
This
innovative
offers
approach
efficient
synthesis
microspheres.
