Langmuir,
Journal Year:
2024,
Volume and Issue:
40(37), P. 19548 - 19559
Published: Sept. 6, 2024
With
the
development
of
society
and
growing
concern
about
environmental
issues,
continuous
flow
catalytic
reactors
have
gained
significant
interest
due
to
their
resource-efficient
advantages
over
traditional
batch
devices.
In
this
study,
we
employed
a
facile
one-step
in
situ
reduction
approach
construct
highly
dispersed
gold
nanoparticles
loaded
on
regenerable
bacterial
cellulose
nanofiber
(BCN)
heterogeneous
catalysts.
These
catalysts,
combination
with
nanoceramic
membrane
pore
size
1
nm,
formed
fully
mixed
system
that
was
favorable
for
efficient
catalysis
selective
reactions
nitrophenol.
The
reaction
demonstrated
remarkable
activity
toward
nitrophenol
at
low
reductant
dosages
(<5
equiv),
achieving
95%
conversion
99%
selectivity
aniline
product
10
min
under
room
temperature
conditions.
Furthermore,
operations
maintained
stable
minimal
catalyst
loss
after
120-h
test
were
3
times
more
time-efficient
than
operations.
Additionally,
monitoring
could
be
conducted
through
ultraviolet
(UV)
spectroscopy.
A
environmentally
friendly
strategy
present
designing
future
applications.
Comprehensive Reviews in Food Science and Food Safety,
Journal Year:
2025,
Volume and Issue:
24(2)
Published: March 1, 2025
Plant-derived
polysaccharides
have
emerged
as
sustainable
biopolymers
for
fabricating
nanoparticles
(polysaccharide-based
nanomaterials
[PS-NPs]),
presenting
unique
opportunities
to
enhance
food
functionality
and
human
health.
PS-NPs
exhibit
exceptional
biocompatibility,
biodegradability,
structural
versatility,
enabling
their
integration
into
functional
foods
positively
influence
gut
microbiota.
This
review
explores
the
mechanisms
of
interaction
with
microbiota,
highlighting
ability
promote
beneficial
microbial
populations,
such
Lactobacilli
Bifidobacteria,
stimulate
production
short-chain
fatty
acids.
Key
synthesis
stabilization
methods
are
discussed,
focusing
on
role
in
improving
bioavailability,
stability,
gastrointestinal
delivery
bioactive
compounds
systems.
The
potential
address
challenges
science,
including
enhancing
nutrient
absorption,
mitigating
intestinal
dysbiosis,
supporting
through
innovative
nanotechnology,
is
critically
evaluated.
Barriers
enzymatic
degradation
physicochemical
stability
analyzed,
alongside
strategies
optimize
within
complex
matrices.
systems
offers
a
novel
approach
modulate
improve
health,
drive
development
next-generation
foods.
Future
research
should
focus
bridging
knowledge
gaps
metagenomic
metabolomic
profiling
PS-NPs,
optimizing
design
diverse
applications,
advancing
health-promoting
innovations.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 27, 2024
Employing
safe
and
inexpensive
methods
for
the
synthesis
of
biocompatible
nanoparticles
(NPs)
can
be
very
challenging.
Green
refers
to
process
synthesizing
without
using
toxic
dangerous
chemicals.
One
applications
is
increasing
production
from
oil
reservoirs,
known
as
enhanced
recovery
(EOR).
The
main
aim
current
study
biosynthesis
zinc
oxide
(ZnO)
Enterobacter
cloacae
(Persian
Type
Culture
Collection
(PTCC):
1798)
microorganism,
extracted
formation
water
one
southwestern
Iranian
a
novel
approach
in
EOR
applications.
Several
analytical
methods,
including
Fourier
transform
infrared
(FTIR),
field
emission
scanning
electron
microscope
(FSEM),
X-ray
diffraction
(XRD),
dynamic
light
scattering
(DLS),
energy
dispersive
spectroscopy
(EDS),
zeta
potential
were
used
analyze
produced
NPs.
FESEM
analysis
confirmed
amorphous
form
estimated
their
size
range
32
58
nm.
In
investigating
effect
synthesized
on
interfacial
tension
(IFT)
stability
tests,
three
levels
base
fluids
(distilled
water,
seawater,
diluted
sea
water)
five
nanoparticle
concentrations
(0,
100,
500,
1000,
2000
ppm)
considered.
IFT
showed
that
an
increase
concentration
causes
decrease
IFT.
Also,
ZnO
chosen
at
500
1000
ppm
wettability
alteration
test
through
injection
into
porous
media.
results
demonstrated
maximum
factor
56%
nanofluid
with
seawater
fluid.
Furthermore,
factors
43%
49%
achieved
by
distilled
ppm,
respectively.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(13), P. 3214 - 3214
Published: July 6, 2024
Recently,
the
use
of
plant-origin
materials
has
become
especially
important
due
to
aggravation
environmental
problems
and
shortage
high
cost
synthetic
materials.
One
potential
candidates
among
natural
organic
compounds
is
polysaccharides,
characterized
by
a
number
advantages
over
polymers.
In
recent
years,
polysaccharides
have
been
used
design
composite
catalysts
for
various
syntheses.
This
review
devoted
current
state
application
(chitosan,
starch,
pectin,
cellulose,
hydroxyethylcellulose)
composites
based
on
their
catalysis.
The
article
divided
into
four
main
sections
type
polysaccharide:
(1)
chitosan-based
nanocomposites;
(2)
pectin-based
(3)
cellulose
(hydroxyethylcellulose)-based
(4)
starch-based
nanocomposites.
Each
section
describes
summarizes
studies
preparation
polysaccharide-containing
in
chemical
transformations.
It
shown
that
modifying
polymers
with
special
properties
can
be
obtained,
thus
expanding
range
biocomposites
catalytic
applications.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(40)
Published: Oct. 1, 2024
Abstract
In
this
study,
we
report
that
pectin‐supported
ruthenium
nanoparticles
(pectin@Ru
0
)
can
be
easily
prepared
at
room
temperature
by
a
simple
and
effective
method
they
exhibit
outstanding
catalytic
activity
in
the
hydrolysis
of
sodium
borohydride
(NaBH
4
).
The
structure,
oxidation
state,
morphology,
thermal
studies
were
analyzed
using
XRD,
XPS,
SEM,
TEM
TGA
analysis.
kinetic
performance
pectin@Ru
biocatalyst
was
evaluated
depending
on
loading,
NaBH
concentration,
NaOH
temperature,
reusability
storage.
containing
2
wt.%
Ru
metal
catalyzed
50
mM
+1
with
100
%
yield.
activation
energy
(E
TOF
values
reaction
estimated
as
54.7
kJ
mol
−1
53.1
H
(mol
min)
30
°C
is
consistent
other
previously
reported
catalysts,
making
it
remarkable
result
comparison.
Reusability
life
also
highly
active
relatively
long‐lived
catalyst
slightly
basic
solution.
