ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(21), С. 24819 - 24832
Опубликована: Окт. 28, 2024
Efficient
conversion
of
abundant
biomass
into
high-value
chemicals
is
crucial
for
sustainable
chemical
production.
Herein,
we
report
the
design
and
synthesis
a
Pd
nanoparticles
(NPs)-embedded
N-doped
carbon
nitride
(Pd@NCN)
nanocomposite
photocatalytic
transformation
biomass-derived
compounds.
N-doping
using
DMF
significantly
enhanced
visible
light
absorption,
as
evidenced
by
DRUV
spectroscopy,
making
it
suitable
photocatalyst
blue
LED-driven
reactions.
Subsequent
decoration
with
NPs
remarkably
improved
catalyst's
performance.
UPS
measurements
revealed
that
NPs,
their
lower
Fermi
level
higher
work
function
compared
to
photoactive
support,
act
efficient
electron
acceptors,
promoting
charge
separation
improving
catalytic
activity.
This
was
corroborated
PL,
TCSPC,
EIS
studies.
Photogenerated
electrons
on
surface-activated
hydrogen,
enabling
hydrogenation
derivatives
at
room
temperature.
Concurrently,
photogenerated
holes
were
consumed
IPA
via
O–H
C–H,
leading
acetone
formation.
The
optimized
1%
[email protected]
catalyst
exhibited
exceptional
activity
in
vanillin
(VAN),
achieving
79.6%
94.4%
selectivity
vanillyl
alcohol
(VOL)
within
an
hour.
Moreover,
reaction
could
be
tuned
adjusting
loading
time,
complete
VAN
excellent
(∼99%)
2-methoxy-4-methylphenol
(MMP)
2%
4.5
h.
Comprehensive
characterization
mechanistic
studies
provided
insights
structure–activity
relationship,
paving
way
development
advanced
NPs-based
photocatalysts
challenging
valorization
ambient
conditions.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Окт. 27, 2023
Fine
root
decomposition
is
a
physio-biochemical
activity
that
critical
to
the
global
carbon
cycle
(C)
in
forest
ecosystems.
It
crucial
investigate
mechanisms
and
factors
control
fine
ecosystems
understand
their
system-level
balance.
This
process
can
be
influenced
by
several
abiotic
(e.g.,
mean
annual
temperature,
precipitation,
site
elevation,
stand
age,
salinity,
soil
pH)
biotic
microorganism,
substrate
quality)
variables.
Comparing
rates
within
sites
reveals
positive
impacts
of
nitrogen
phosphorus
concentrations
negative
effects
lignin
concentration.
Nevertheless,
estimating
actual
breakdown
difficult
due
inadequate
methods,
anthropogenic
activities,
impact
climate
change.
Herein,
we
propose
how
physiochemical
characteristics
interact
with
microorganisms
influence
decomposition.
review
summarized
elements
this
process,
as
well
research
methods
used
it.
There
also
need
study
seasonal
changes
affecting
cumulative
evidence
will
provide
information
on
temporal
spatial
dynamics
ecosystems,
determine
logging
reforestation
affect
The Innovation Materials,
Год журнала:
2024,
Номер
2(2), С. 100062 - 100062
Опубликована: Янв. 1, 2024
<p>Lignin,
the
most
abundant
natural
aromatic
compound
on
earth,
offers
valuable
resources
for
development
of
bio–based
polymers.
In
recent
years,
a
plethora
diverse
polymer
materials
has
been
reported
using
either
separated
lignin
or
lignin–derived
monomers.
this
review,
we
present
comprehensive
summary
achievements
and
compare
these
two
well–known
strategies.
While
utilizing
directly
as
starting
advantages
in
terms
cost–effectiveness
wider
options,
employing
monomers
suffer
from
higher
costs
limited
structural
variety.
However,
well–defined
structure
lignin-derived
monomers,
retention
functional
group
characteristics
make
promising
strategy
future
applications.
Through
review
paper,
aim
to
inspire
more
researchers
material
science
focus
lignin—an
intriguing
emerging
carbon-neutral
biomaterial.</p>
Abstract
Bone
regeneration
for
large,
critical-sized
bone
defects
remains
a
clinical
challenge
nowadays.
Guided
(GBR)
is
promising
technique
the
repair
of
multiple
defects,
which
widely
used
in
oral
and
maxillofacial
but
still
unsatisfied
treatment
long
defects.
Here,
we
successfully
fabricated
bilayer
mineralized
collagen/collagen
(MC/Col)-GBR
membrane
with
excellent
osteoinductive
barrier
function
by
coating
MC
particles
prepared
via
situ
biomimetic
mineralization
process
on
one
side
sheet-like
pure
collagen
layer.
The
aim
present
study
was
to
investigate
physicochemical
properties
biological
functions
MC/Col
film,
further
evaluate
its
efficiency
large
defect
repair.
Fourier-transform
infrared
spectra
X-ray
diffraction
patterns
confirmed
presence
both
hydroxyapatite
phase
as
well
chemical
interaction
between
them.
stereo
microscope,
scanning
electron
microscopy
atomic
force
microscope
showed
uniform
distribution
resulting
rougher
surface
compared
Col
film.
quantitative
analysis
contact
angle,
light
transmittance
tensile
strength
demonstrated
that
film
have
better
hydrophilicity,
mechanical
properties,
light-barrier
respectively.
In
vitro
macrophage
co-culture
experiments
can
effectively
inhibit
proliferation
fusion,
reducing
fibrous
capsule
formation.
vivo
assessment
rabbit
critical
segmental
radial
proved
performed
than
other
groups
promoting
due
their
unique
dual
osteoinductive/barrier
function.
These
findings
provided
evidence
has
great
potential
effective
Graphic
abstract
iScience,
Год журнала:
2024,
Номер
27(4), С. 109418 - 109418
Опубликована: Март 4, 2024
Lignin
is
an
abundant
polyaromatic
polymer
with
a
wide
range
of
potential
future
uses.
However,
the
conversion
lignin
into
valuable
products
comes
at
cost,
and
medium-
to
high-value
applications
are
thus
appropriate.
Two
examples
these
polymers
(e.g.,
as
fibers,
plasticizers,
or
additives)
flow
batteries
redox
species).
Both
areas
would
benefit
from
lignin-derived
molecules
potentially
low
molecular
weight
high
(electro)chemical
functionality.
A
promising
route
obtain
oxidative
depolymerization,
it
enables
formation
targeted
compounds
multiple
functionalities.
An
application
in
production
plastics
synthesis
new
sustainable
polymers.
Employing
organic
molecules,
such
quinones
heterocycles,
constitute
important
step
toward
sustainability
aqueous
batteries,
its
derivatives
emerging
species,
mainly
due
their
cost
renewability.
Current Opinion in Green and Sustainable Chemistry,
Год журнала:
2024,
Номер
47, С. 100931 - 100931
Опубликована: Апрель 30, 2024
Benzene,
toluene,
and
xylenes
(BTX),
as
well
their
downstream
products,
are
a
fundamental
part
of
numerous
processes
in
the
chemical
industry.
However,
by
now,
aromatics
still
yielded
from
fossil
resources
like
naphtha,
coal,
natural
gas.
Thus,
to
push
industry
further
toward
renewability,
production
bio-based
is
an
essential
step
take.
The
implementation
replace
petrochemical
can
proceed
two
main
ways:
direct
replacement
via
renewable
drop-in
or
functional
alternatives.
both
pathways
requires
significant
process
optimization
large-scale
application
industrial
processes.
In
this
work,
mainly
discussed
context
pyrolysis
Diels-Alder
reactions.
Furthermore,
alternatives
here
focus
on
furan
derivatives
lignin-based
building
blocks.
Molecules,
Год журнала:
2023,
Номер
28(18), С. 6470 - 6470
Опубликована: Сен. 6, 2023
The
shift
to
an
environmentally
friendly
material
economy
requires
renewable
resource
exploration.
This
may
depend
on
lignin
valorization.
Lignin
is
aromatic
polymer
that
makes
up
one-third
of
total
lingo-cellulosic
biomass
and
separated
into
large
amounts
for
biofuel
paper
manufacture.
readily
available
at
a
very
low
cost
as
nearly
all
the
produced
each
year
(90–100
million
tons)
simply
burned
low-value
fuel.
offers
potential
qualities
many
applications,
yet
it
underutilized.
Perspective
highlights
lignin-based
prospects
problems
in
food
packaging,
antimicrobial,
agricultural
applications.
first
half
will
discuss
present
future
studies
exploiting
addition
improve
packaging’s
mechanical,
gas,
UV,
bioactive
molecules,
polyphenols,
antioxidant
qualities.
Second,
lignin’s
antibacterial
activity
against
bacteria,
fungi,
viruses
be
discussed.
In
conclusion,
agriculture
discussed
industries.
ChemPhysMater,
Год журнала:
2024,
Номер
3(2), С. 157 - 186
Опубликована: Март 11, 2024
Lignocellulosic
biomass
is
a
critical
renewable
carbon
resource,
but
most
of
its
utilization
inefficient,
and
electrocatalytic
oxidation
promising
method
upgrading
lignocellulose
into
value-added
fuels
chemicals
under
mild
operating
conditions.
Recently,
efforts
to
enable
conversion
with
high
efficiency
low
energy
consumption
have
been
reported,
understanding
the
reaction
mechanisms
realizing
scaled-up
applications
electrooxidation
lignocellulosic
are
still
in
their
early
stages.
A
timely
overview
recently
reported
general
mechanisms,
particularly
strategies
developed
for
use
improving
efficiencies,
necessary
inspire
research
regarding
highly
efficient
lignocellulose.
Herein,
we
summarize
improve
performance
oxidative
conversion.
The
organized
summary
includes
ranging
from
designing
electrocatalysts
adding
functional
co-catalysts
or
electrolytes
employing
advanced
electrolyzers.
comprehensive
representative
examples
should
provide
universal
principles
yield
insight
processes
guide
design
systems.
Finally,
challenges
opportunities
developing
near
future
proposed.