EcoEnergy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
Abstract
Recent
years
have
witnessed
a
surge
in
research
on
aqueous
zinc‐ion
batteries
(AZIBs)
due
to
their
low
cost,
stability,
and
exceptional
electrochemical
performance,
among
other
advantages.
However,
practical
manufacturing
deployment
of
AZIBs
been
hindered
by
challenges
such
as
energy
density,
significant
precipitation‐related
side
reactions,
slow
ion
migration,
dendritic
growth.
Addressing
these
issues
enhancing
the
application
necessitates
development
novel
materials.
Carbon
dots
(CDs),
with
distinctive
structure
superior
properties,
represent
an
innovative
class
carbon‐based
materials
broad
potential
applications
for
optimizing
AZIBs'
performance.
This
study
offers
comprehensive
review
how
CDs
can
address
aforementioned
AZIBs.
It
begins
overview
composition
mechanism
before
delving
into
classification,
preparation
techniques,
functionalization
strategies
CDs.
The
also
thoroughly
summarizes
sophisticated
roles
modifiers
electrolytes
electrodes,
both
positive
negative,
briefly
discusses
membranes.
Additionally,
it
provides
summary
current
difficulties
encountered
utilizing
aims
provide
insights
guidance
designing
next
generation
high‐performance
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
276, P. 133617 - 133617
Published: July 2, 2024
Non-isocyanate
polyurethanes
(NIPUs)
have
attracted
increasing
attention
as
a
sustainable
alternative
to
conventional
isocyanate-based
polyurethanes.
This
study
synthesized
non-isocyanate
hydroxyurethanes
(NIHUs)
through
an
addition
reaction
between
propylene
carbonate
(PC)
and
1,2-ethylenediamine
(EDA).
The
resulting
NIHU
was
then
hybridized
with
carboxymethyl
cellulose
(CMC)
investigate
its
hybridization
potential.
Structural
analysis
FTIR,
NMR,
XRD
confirmed
the
crystalline
nature
of
NIHU,
featuring
urethane
bonds
abundant
hydroxyl
groups.
It
found
that
CMC
interacted
by
forming
hydrogen
groups
carboxyl
CMC,
in
dense
CMC/NIHU
hybrid
structure.
NMR
analyses
revealed
changes
hybrids'
chain
mobility,
Young's
modulus
30
%
content
decreased
from
1627
MPa
502
relative
elongation
at
break
increased
4.44
17.2
%.
Increasing
concentration
reduced
hydrophobicity,
terms
water
contact
angle,
70°
41.7°.
simplicity
synthesis
method
for
coupled
desirable
structure,
strength,
balanced
flexibility
hybrids,
is
expected
facilitate
production
NIHU-rich
hybrids
increase
their
application
packaging.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(31), P. 9675 - 9682
Published: July 26, 2024
Feeding
silkworms
with
functional
materials
as
additives
to
produce
naturally
modified
silk
is
a
facile,
diverse,
controllable,
and
environmentally
friendly
method
low
cost
of
time
investment.
Among
various
additives,
carbon
dots
(CDs)
show
unique
advantages
due
their
excellent
biocompatibility
fluorescence
stability.
Here,
new
type
green
fluorescent
(G-CDs)
synthesized
high
oil–water
partition
ratio
147,
isoelectric
point
5.16,
an
absolute
quantum
yield
71%,
critically
controlled
surface
states.
After
feeding
G-CDs,
the
weave
light
yellow
cocoons
whose
visible
naked
eye
under
UV
light.
The
luminous
sewn
onto
cloth
create
striking
patterns
beautiful
fluorescence.
Such
G-CDs
have
no
adverse
effect
on
survival
rate
life
cycle
enable
whole
bodies
glow
Based
strong
fluorescence,
chemical
stability,
biological
safety,
are
found
in
digestive
tracts,
glands,
feces,
cocoons,
even
moth
bodies.
accumulate
posterior
glands
where
fibroin
protein
secreted,
indicating
its
stronger
combination
than
sericin,
which
meets
requirements
for
practical
applications.
Journal of Food Science,
Journal Year:
2025,
Volume and Issue:
90(2)
Published: Feb. 1, 2025
Abstract
Multifunctional
pH‐responsive
gelatin/κ‐carrageenan
(GC)
blend
films
containing
gromwell
(
Lithospermum
erythrorhizon
[LE])
root
ethanolic
extract
(LE‐EE)
rich
in
shikonin
or
(SRE)
and
carbon
dots
(LE
[LE‐CDs])
were
prepared
characterized.
The
hydrothermal
method
was
adopted
for
the
synthesis
of
LE‐CDs,
which
displayed
a
blue
color
under
UV
light.
obtained
LE‐CDs
possessed
exceptional
barrier,
antioxidant
antimicrobial
activities.
enhanced
activities
recorded
when
level
upsurged
p
<
0.05).
Transmission
electron
microscopic
(TEM)
Fourier
transform
infrared
(FTIR)
results
revealed
typical
morphology
chemical
composition
LE‐CDs.
1
3%
w/w
)
incorporated
as
active
fillers
along
with
SRE
into
GC
film
by
solvent
casting
method.
Developed
showed
slight
decrease
tensile
water
vapor
barrier
properties
inclusion
both
additives.
Color
opaqueness
became
darker
additives
incorporated,
whereas
thermal
property
greatly
enhanced.
Film
blocked
UV‐A
UV‐B
93.30
99.81%,
respectively.
GC/SRE/
CD
exhibited
strong
radical
scavenging
antibacterial
against
Listeria
monocytogenes
Escherichia
coli
,
growth
terminated
after
12
h.
had
pH‐dependent
change,
depending
on
various
pH
levels
(2–12).
Shrimp
freshness
could
be
monitored
indicated
shift
to
bluish
48
Therefore,
this
finding
that
incorporating
biomass‐derived
CDs
natural
colorants
biopolymer
films,
especially
offer
diverse
strategies
maintaining
safety
prolonging
shelf
life
response
growing
need
smart
packaging
food
applications.
