Polymers,
Год журнала:
2024,
Номер
16(18), С. 2605 - 2605
Опубликована: Сен. 14, 2024
The
search
for
adsorbents
that
are
non-toxic
and
low
cost
with
a
high
adsorption
capacity
excellent
recyclability
is
priority
to
determine
the
way
reduce
serious
environmental
impacts
caused
by
discharge
of
effluents
loaded
heavy
metals.
Bacterial
cellulose
(BC)
biomass
has
functional
groups
such
as
hydroxyl
carbonyl
play
crucial
role
in
making
this
so
efficient
at
removing
contaminants
present
water
through
cation
exchange.
This
research
aims
develop
an
experimental
process
adsorption,
elution,
reuse
bacterial
treating
contaminated
Cr
(VI).
SEM
images
kinetics
behavior
were
analyzed
pseudo-first-
pseudo-second-order
models
together
isothermal
analysis
after
each
elution
process.
was
agreement
Langmuir
model
along
its
reuse;
up
225
mg/g,
adding
all
processes.
study
presents
novel
approach
preparation
capable
retaining
(VI)
stability.
method
eliminates
need
chemical
agents,
which
would
otherwise
be
difficult
implement
due
their
costs.
viability
field
industrial
wastewater
treatment
demonstrated.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 4, 2025
Abstract
A
new
method
was
developed
to
quickly
produce
carboxymethyl
hemicellulose
(CM-Hemi)
and
fluorescent
nitrogen-doped
carbon
dots
(N–CDs)
from
sugarcane
bagasse
(SB).
These
materials
were
then
combined
with
calcium
chloride
(CaCl₂)
create
hydrogel
sensors
antibacterial
antifungal
properties.
The
CM-Hemi@Ca-N–CDs
effective
against
both
Gram-negative
(
Escherichia
coli
)
Gram-positive
Staphylococcus
aureus
bacteria
compared
CM-Hemi@Ca
which
give
no
activity.
Both
hydrogels
also
exhibited
properties
Candida
albicans
.
Molecular
docking
studies
revealed
that
the
had
strong
binding
interactions
protein
(1.92
A°)
compard
(2.01
A°),
aligned
inhibition
zone
measurements
test.
fluorescence
microscope
differences
in
emitted
light
color
when
interacted
different
types
of
microorganisms,
likely
due
variations
their
cell
walls.
Density
functional
theory
(DFT)
calculations
indicate
incorporation
N–CDs
into
enhances
its
stability
rigidity.
This
is
evidenced
by
lower
energy
gap
(E
g
),
higher
electron
affinity
(μ),
softness
(S)
hydrogel.
Additionally,
formation
amide
bonds
between
CM-Hemi
contributes
increased
rigidity
hydrogel.These
findings
supporting
th
effectiveness
as
an
antibacterial/antifungal
sensor.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 6, 2025
Abstract
Naturally
occurring
inexpensive
substance
is
useful
as
a
raw
material
like
graphite.
Graphene
oxide
(GO)
made
from
sugarcane
bagasse
(SB)
to
create
nano
graphene
(GO‐SB).
Nitrile
rubber
(NBR)
was
used
base
matrix
while
(GO‐SB)
filler
combined
at
various
loadings
[2,
4,
6,
8,
and
10
Part
per
hundred
part
of
(phr)].
The
impact
the
prepared
loading
on
physicomechanical
curing
characteristics
NBR
nanocomposites
examined
evaluated.
Transmission
Electron
Microscopy
(TEM),
x‐ray
Diffraction
(XRD),
Fourier
Transform
Infrared
Spectroscopy
(FT‐IR)
were
estimate
characterize
investigated
samples.
Excellent
dispersion
(8
phr)
in
observed
using
scanning
electron
microscopy
(SEM).
agglomerations
found
be
heterogeneous
(10
phr).
Curing
characterizations
showed
that
compounded
with
had
larger
maximum
minimum
torques,
torque
difference
8
phr,
faster
cure
rate
than
unfilled
compound.
equilibrium
swelling
mechanical
demonstrated
reinforcing
effect
contained
phr
When
content
increased
up
Shore
A
hardness
values
increased.
Highlights
nanosized
bagasse.
verified
nanoscale
oxide.
Nano
ingredients
are
incorporated
by
mixer.
Effect
properties
products
have
better
physico
properties.
Abstract
The
antibacterial
characteristics
of
graphene
oxide
(GO-SB)
nano-sheets
generated
by
charring
sugarcane
bagasse
(SB)
are
described
in
this
study.
capability
GO-SB
was
improved
when
it
grafted
with
ethyl
cellulose
(EC)
and
polyvinyl
alcohol
(PVA)
to
form
GO-SB/EC/PVA
hydrogels.
Characterization
nanosheets
hydrogels
accomplished
using
FTIR,
SEM,
XRD,
thermal
studies.
antimicrobial
activity
carried
out
against
Gram
positive
bacteria
[
Micrococcus
leutus
&
Staphylococcus
aureus
],
negative
Escherichia
coli
,
Pseudomonas
aeruginosa
]
pathogenic
fungal
yeast
Candida
albicans
applying
the
disc
diffusion
method.
method
results
showed
that
exhibited
a
reasonable
level
demonstrating
improvement
more
effective
increasing
inhibition
zone
Gram-positive
bacteria,
from
(13.0
16.0
mm).
Graphical
abstract
RSC Advances,
Год журнала:
2024,
Номер
14(35), С. 25785 - 25792
Опубликована: Янв. 1, 2024
:
Employing
citric
acid/dimethyl
formamide
(CA/DMF),
two
distinct
types
of
carbon
quantum
dots
(CQDs),
tree-shaped/fingerprinted
(TF-CQDs)
and
fullerene-like
(F)
were
synthesized
from
both
cellulose
carboxymethyl
(CMC).
BMC Pharmacology and Toxicology,
Год журнала:
2024,
Номер
25(1)
Опубликована: Авг. 13, 2024
Abstract
This
study
reports
a
novel,
eco-friendly;
fast
and
cost-effective
microwave
method
for
synthesizing
carboxymethylated
graphene
oxide
(CMGO)
from
sugarcane
residues.
Fourier-transform
infrared
spectroscopy
(FTIR)
confirmed
successful
CMGO
synthesis
through
the
presence
of
characteristic
peaks
at
1567.93
1639.29
cm
−1
(COONa
vibrations)
increased
CH
2
intensity
compared
to
unmodified
(GO).
Furthermore,
derived
residues
demonstrated
potential
in
mitigating
side
effects
toxic
materials
like
carbon
tetrachloride
(CCl
4
).
Treatment
with
partially
reduced
elevated
levels
liver
enzymes
(ALT
AST)
nitrogenous
waste
products
(urea
uric
acid)
CCl
-induced
damage
models,
suggesting
an
improvement
function
despite
ongoing
cellular
damage.This
work
paves
way
sustainable
economical
approach
produce
functionalized
promising
biomedical
applications
alleviating
toxin-induced
injury.
Graphical
abstract
Emergent Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 28, 2024
Abstract
Magnetic
carbon
dots
(Fe
3
O
4
/N–CQDs)
was
prepared
by
and
eco-friendly
one-step
microwave
method
using
sugarcane
bagasse
(SB)
as
a
starting
material,
applied
to
remove
ad
reduce
Cr(VI)
in
wastewater.
The
magnetization
process
performed
novel
instead
of
the
long
time
conventional
co-precipitation
method.
Fe
/N–CQDs
showed
high
saturated
(Ms
~
38.047
emu/g).
When
neat
N–CQDs
were
adsorb
Cr(VI),
R%
slightly
higher
case
(93.86%)
compared
(91.73%).
Moreover,
reduction
rate
than
N–CQDs.
study
confirmed
presence
magnetic
iron
oxide
(Fe-O)
at
655
cm
−1
FTIR
spectroscopy.
Interestingly,
XRD
analysis
revealed
peaks
indicative
elemental
(Fe(0))
alongside
oxide.
Furthermore,
TGA/DTG
significantly
weight
residue
(∑RW)
for
alone,
suggesting
enhanced
thermal
stability
due
component.
This
is
further
supported
activation
energy
(∑A)
pre-exponential
factor
(∑s)
obtained
fluorescence
N–CQDs,
which
make
them
suitable
chemosensor
future
work.
In
addition,
DFT
calculations
Graphical
Gels,
Год журнала:
2024,
Номер
10(11), С. 686 - 686
Опубликована: Окт. 24, 2024
Carboxymethyl
cellulose
(CMC)
was
prepared
from
sugarcane
bagasse
(SB)
in
minutes
using
a
novel
microwave
method.
Additionally,
nitrogen-doped
carbon
dots
(N-CDs)
were
synthesized
SB
the
same
technique.
These
materials
crosslinked
with
CaCl
