Materials,
Journal Year:
2025,
Volume and Issue:
18(9), P. 2085 - 2085
Published: May 1, 2025
The
use
of
thermochromic
pigments
in
food
packaging
offers
several
advantages,
including
improved
safety,
waste
reduction,
and
temperature
change
monitoring.
However,
little
is
known
about
how
chemically
resilient
these
materials
are,
especially
regarding
optical
stability,
activation,
mechanical
integrity
following
exposure
to
acidic,
alkaline,
oil-based,
neutral
food-contact
environments.
This
study
evaluates
the
chemical
resistance,
thermal
cycling
effects,
durability
pigment–polymer
blends.
Thermochromic
polymer
samples
were
subjected
multiple
environments,
repeated
cycling,
analysis
assess
degradation
behavior.
findings
show
that
virgin
food-grade
with
no
pigment
sustains
its
performance
stability
throughout
degradation.
blends
experienced
reduced
functionality.
insight
into
well
can
be
incorporated
intelligent
despite
limitations
associated
exposure.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(13), P. 3890 - 3897
Published: March 25, 2024
Chemical
reaction
kinetics
at
the
nanoscale
are
intertwined
with
heterogeneity
in
structure
and
composition.
However,
mapping
such
a
liquid
environment
is
extremely
challenging.
Here
we
integrate
graphene
cell
(GLC)
transmission
electron
microscopy
four-dimensional
scanning
to
image
etching
dynamics
of
gold
nanorods
media.
Critical
our
experiment
small
thickness
GLC
that
allows
collection
high-quality
diffraction
patterns
low
dose
conditions.
Machine
learning-based
data-mining
maps
three-dimensional
nanocrystal
orientation,
groups
spatial
domains
various
species
GLC,
identifies
newly
generated
nanocrystallites
during
reaction,
offering
comprehensive
understanding
on
mechanism
inside
nanoenvironment.
This
work
opens
opportunities
probing
interplay
structural
properties
as
phase
strain
solution-phase
dynamics,
which
important
for
applications
catalysis,
energy
storage,
self-assembly.
Journal of Functional Biomaterials,
Journal Year:
2025,
Volume and Issue:
16(1), P. 34 - 34
Published: Jan. 19, 2025
Hepatitis
C
virus
(HCV)
is
a
major
public
health
concern,
and
the
development
of
an
effective
HCV
vaccine
plays
important
role
in
effort
to
prevent
new
infections.
Supramolecular
co-assembly
co-presentation
envelope
E1E2
heterodimer
complex
core
protein
presents
attractive
design
strategy
for
achieving
humoral
cellular
immunity.
With
this
objective,
two
antigens
were
non-covalently
assembled
with
immunostimulant
(TLR
7/8
agonist)
into
virus-mimicking
polymer
nanocomplexes
(VMPNs)
using
biodegradable
synthetic
polyphosphazene
delivery
vehicle.
The
resulting
assemblies
characterized
dynamic
light
scattering
asymmetric
flow
field-flow
fractionation
methods
directly
visualized
their
vitrified
state
by
cryogenic
electron
microscopy.
vivo
superiority
VMPNs
over
individual
components
Alum-formulated
manifests
higher
neutralizing
antibody
titers,
promotion
balanced
IgG
response,
induction
immunity—CD4+
T
cell
responses
proteins.
aqueous-based
spontaneous
immunopotentiating
molecules
enabled
carrier
offers
simple
pathway
polymer-based
supramolecular
nanovaccine
systems.
Polymeric
membranes
serve
as
vital
separation
materials
in
diverse
energy
and
environmental
applications.
A
comprehensive
understanding
of
three-dimensional
(3D)
structures
is
critical
to
performance
evaluation
future
design.
Such
quantitative
3D
structural
information
beyond
the
limit
most
employed
conventional
two-dimentional
characterization
techniques
such
scanning
electron
microscopy.
In
this
review,
we
summarize
eight
types
reconstruction-characterization
for
membrane
materials.
Originated
from
life
science,
these
have
been
optimized
reveal
field.
We
systematically
introduce
theories
each
technique,
sample
preparation
procedures
developed
materials,
demonstrate
step-by-step
data
processing,
including
model
reconstruction
subsequent
characterization.
Representative
case
studies
are
introduced
show
progress
field
how
technical
challenges
overcome
over
years.
end,
share
our
perspectives
believe
that
review
can
a
useful
reference
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(6), P. 2945 - 2954
Published: Jan. 1, 2024
In
various
domains
spanning
materials
synthesis,
chemical
catalysis,
life
sciences,
and
energy
materials,
in
situ
transmission
electron
microscopy
(TEM)
methods
exert
a
profound
influence.
These
methodologies
enable
the
real-time
observation
manipulation
of
gas-phase
liquid-phase
reactions
at
nanoscale,
facilitating
exploration
pivotal
reaction
mechanisms.
Fundamental
research
areas
like
crystal
nucleation,
growth,
etching,
self-assembly
have
greatly
benefited
from
these
techniques.
Additionally,
their
applications
extend
across
diverse
fields
such
as
batteries,
bioimaging,
drug
delivery
kinetics.
However,
intricate
nature
'soft
matter'
presents
challenge
due
to
unique
molecular
properties
dynamic
behavior
substances
that
remain
insufficiently
understood.
Investigating
soft
matter
within
TEM
settings
demands
further
advancement
compared
other
domains.
This
harnesses
potential
technology
while
integrating
deep
learning
comprehensively
analyze
quantitative
aspects
dynamics.
study
centers
on
phenomena,
encompassing
surfactant
molecule
block
copolymer
behavior,
confinement-driven
self-assembly,
drying
processes.
Furthermore,
techniques
are
employed
precisely
Ostwald
ripening
digestive
The
outcomes
this
not
only
deepen
understanding
its
fundamental
level
but
also
serve
foundation
for
developing
innovative
functional
cutting-edge
devices.
