Crystalline
aggregates
widely
exist
in
organisms.
Regulation
of
the
nano
structures
is
vital
importance
to
revelation
life
secret
as
well
material
fabrication.
As
a
representative,
chitosan
displays
polymorphic
structures.
The
transition
from
hydrated
anhydrous
allomorph,
however,
usually
involves
high-temperature
annealing
or
multi-steps
concentrated
acid
hydrolysis.
To
address
these,
we
proposed
new
strategy
achieve
under
mild
condition.
By
subjecting
microgels
freezing
treatment,
could
transfer
into
form.
XRD
results
clearly
demonstrated
that
both
(020)
and
(200)
diffraction
peaks
centered
at
2θ
=10°
19.8°
gradually
disappeared,
while
(110)
peak
=14.8°
indicative
crystals
occurred.
Due
N2···O6
intermolecular
hydrogen
bonding
hydrophobic
association,
polymer
chains
re-organized
microcrystalline
domains,
thereby
resulting
strong
self-assembly
for
microgels.
Moreover,
adsorb
oil/water
interface
form
Pickering
emulsion.
obtained
macro-porous
materials
through
lyophilization
would
be
used
oil
absorbent.
This
work
opens
avenue
facilely
regulate
structure
with
controllable
manner,
facilitating
construction
more
functional
materials.
Food Hydrocolloids,
Journal Year:
2024,
Volume and Issue:
156, P. 110327 - 110327
Published: June 20, 2024
The
aim
of
this
study
was
to
create
stable,
dual
Pickering-stabilized
double
emulsions
(DEs)
where
both
the
internal
and
external
droplets
are
stabilized
by
food
grade
particles.
Water-in-oil
(W/O)
were
using
cocoa
butter-high
oleic
sunflower
oil
based
oleogels
(CBolg)
then
W/O
emulsion
used
as
dispersed
phase
in
water-in-oil-in-water
(W/O/W)
emulsions,
latter
whey
protein
microgels
(WPM).
capability
CBolg
(10
v/v%
butter)
form
subsequently
a
W/O/W
characterized
cross-polarized
light
microscopy,
cryogenic
scanning
electron
microscopy
(cryo-SEM),
confocal
(CLSM)
static
scattering.
In
addition,
characterization
WPM's
structure
evaluated
small
angle
X-ray
scattering
(SAXS).
Results
revealed
Pickering
with
droplet
size
10
μm
could
be
formed
microgel
(WPM,
3-5
v/v%)
stabilizer.
Dynamic
(DLS)
analysis
WPM
particles
averaging
approximately
100
nm,
structures
consisting
partially
stretched
strands
smaller
compact
subunits
along
strand
(partially
folded
proteins)
confirmed
SAXS
analysis.
DE
stable
over
month
formation
protective
layer
around
droplets,
observed
CLSM
images,
unlike
systems
non-microgelled
protein,
destabilized
within
hours.
Such
DEs
may
offer
new
templates
for
designing
healthy
low-fat
foods
co-delivery
nutrients
active
multiple
compartments.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(11), P. 6302 - 6313
Published: May 22, 2024
Crystalline
aggregates
are
widely
present
in
various
organisms.
Regulation
of
nanostructures
is
vital
importance
to
the
revelation
life
secrets
as
well
material
fabrication.
As
a
representative,
chitosan
displays
polymorphic
structures.
In
tendon
chitosan,
four
polymer
chains
packed
into
an
orthorhombic
cell,
where
antiparallel
neighboring
linked
by
two
sets
N2···O6
hydrogen
bonds,
and
water
molecules
connected
with
N2,
O3,
O5
O6
atoms
via
bonds
stabilize
hydrated
structure.
The
transition
from
anhydrous
allomorphs,
however,
usually
involved
high-temperature
annealing
or
multistep
concentrated
acid
hydrolysis,
which
weakened
sustainability
chitosan.
To
address
these
issues,
we
proposed
more
convenient
strategy
achieve
transitions
under
mild
conditions.
By
subjecting
microgels
(CSM)
normal
freezing
treatment,
could
be
transferred
form.
X-ray
diffraction
(XRD)
results
clearly
demonstrated
that
both
(020)
(200)
peaks
centered
at
2θ
=
10
19.8°
gradually
disappeared,
while
(110)
peak
14.8°
indicated
occurrence
crystals.
Upon
freezing,
were
inserted
crystals
removed.
Meanwhile,
effects
intermolecular
bonding
hydrophobic
association,
adjacent
reorganized
new
microcrystalline
domains.
Moreover,
CSM
particles
exhibited
strong
tendency
for
self-association
during
this
process.
introducing
oil/water
mixture
system
form
Pickering
emulsion,
resultant
macroporous
materials
used
oil
absorbent
through
subsequent
lyophilization.
This
work
provides
different
way
facilely
regulate
structure
controllable
manner,
facilitating
construction
functional
materials.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(26), P. 14570 - 14580
Published: June 18, 2024
Enhancing
the
initial
stages
of
plant
growth
by
using
polymeric
gels
for
seed
priming
presents
a
significant
challenge.
This
study
aimed
to
investigate
microgel
derived
from
polyetheramine-poly(propylene
oxide)
(PPO)
and
bisepoxide
(referred
as
micro-PPO)
promising
alternative
optimize
germination
process.
The
micro-PPO
integrated
with
an
iron
micronutrient
showed
positive
impact
on
compared
control
(Fe
solutions)
in
which
root
length
yield
improved
up
39%.
Therefore,
element
map
synchrotron-based
X-ray
fluorescence
shows
that
Fe
intensities
primers
micro-PPO-Fe
gel
are
about
3-fold
higher
than
those
group,
leading
gradual
distribution
species
through
most
internal
embryo
tissues.
use
underscores
their
potential
industrial
applications
due
nontoxicity
results
zebrafish
assays
environmentally
friendly
synthesis
water-dispersible
monomers
employed.
Soft Matter,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Demulsification
approaches
in
particle-stabilised
oil-in-water
emulsions
where
coalescence
occurs
by
changing
the
wettability
of
Pickering
particles
via
employing
additives/processing
conditions
or
dissolving
particles/reducing
their
size.
