Z-scheme Zr/Ti-ZBPU heterojunction for enhanced Cr(VI) reduction and antibacterial remediation
Molecular Catalysis,
Год журнала:
2025,
Номер
576, С. 114905 - 114905
Опубликована: Фев. 18, 2025
Язык: Английский
Enhanced photocatalytic degradation of Cr(VI) and oxytetracycline using CuFeS₂@Zn composites
ChemPhysMater,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 1, 2025
Язык: Английский
Synthesis and characterization of chitosan Schiff base grafted with formaldehyde and aminoethanol: As an effective adsorbent for removal of Pb(II), Hg(II), and Cu(II) ions from aqueous media
International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
unknown, С. 135601 - 135601
Опубликована: Сен. 1, 2024
Язык: Английский
Evolution and recent development of cellulose-modified, nucleic acid-based and green nanosensors for trace heavy metal ion analyses in complex media: A review
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 141745 - 141745
Опубликована: Март 1, 2025
Язык: Английский
Evaluating environmental and economic sustainability of engineered chitosan particles for water treatment
Cleaner Materials,
Год журнала:
2025,
Номер
unknown, С. 100319 - 100319
Опубликована: Май 1, 2025
Язык: Английский
Interfacial engineering to construct titanium dioxide with biochar modification for enhanced photocatalytic removal of hexavalent chromium
Journal of Water Process Engineering,
Год журнала:
2024,
Номер
69, С. 106762 - 106762
Опубликована: Дек. 10, 2024
Язык: Английский
Synthesis of Sulfur-Grafted Chitosan Biopolymers and Improvement to Their Sorption of Silver Ions from Different Aqueous Solutions
Sustainability,
Год журнала:
2024,
Номер
16(13), С. 5280 - 5280
Опубликована: Июнь 21, 2024
A
functionalized
chitosan
thiourea
composite
(CH-TU)
was
successfully
synthesized
using
formaldehyde
as
a
crosslinking
agent
for
enhancing
silver
recovery
from
different
aqueous
solutions.
Comparison
sorption
studies
with
non-functionalized
(CH-F)
reference
material
were
conducted.
Grafting
led
to
an
improvement
in
the
performances,
i.e.,
0.763
mmol
Ag
g−1
CH-F
vs.
2.125
CH-TU.
The
pseudo-first-order
rate
equation
(PFORE)
fitted
kinetics
at
saturation
times
of
40
and
30
min
CH-TU,
respectively,
while
isotherms
Langmuir
Sips
equations
both
sorbents.
Fourier
transform
infrared
(FTIR),
scanning
electron
microscopy
(SEM),
energy-dispersive
X-ray
analysis
(EDX),
nitrogen
sorption–desorption
(BET-surface
area),
elemental
analysis,
thermogravimetric
(TGA)
pH
zero
charge
(pHpzc)
used
characterize
investigate
mechanism.
Sorption
performed
three
check
reproducibility,
performances
stable
over
20
cycles,
limited
decrease
performance
(5
3%
respectively).
Nitric
acid
solution
(0.3
M)
efficient
desorbing
adsorbed
metal
ions.
grafted
sorbent
is
considered
promising
tool
recovering
Ag(I)
acidic
waste
leachate
derived
spent
films.
Язык: Английский
Sustainable nanomaterials for chromium removal from wastewater
Advances in chemical pollution, environmental management and protection,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Язык: Английский
Perspective Chapter: Heavy Metals – Sources of Releasing Into Ecosystems, Biological Importance, Toxicity, and Sorption Methods
IntechOpen eBooks,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 7, 2024
Environmental
pollution
with
heavy
metals
is
one
of
the
most
important
environmental
problems
this
century.
Bioaccumulating
in
food
chain,
exhibit
high
toxicity
toward
living
organisms.
To
prevent
serious
risks
to
human
health,
eliminating
these
air,
soil,
and
water
great
importance.
The
chapter
reviews
modern
data
on
distribution
environment,
organisms,
their
toxicity,
development
new
effective
sorbents
for
removal
from
environment
A
large
number
studies
are
devoted
synthesis,
modification,
properties
sorption
materials
metals.
New
information
presented
field
application
enterosorption
method
as
promising
areas
removing
organism,
well
prophylaxis
treatment
various
diseases.
Язык: Английский
Silver nanoparticles incorporated with enzymatically derived chitooligosaccharides: preparation, characterization, and biological potential evaluation
Frontiers in Food Science and Technology,
Год журнала:
2024,
Номер
4
Опубликована: Авг. 22, 2024
In
this
work,
silver
nanoparticles
(AgNPs)
were
elaborated
using
a
simple,
low-cost,
and
reproducible
method
by
thermal
treatment
at
90°C
of
chitooligosaccharides
(COSs),
produced
chitosan
depolymerization
the
digestives
chitosanases
from
Portunus
segnis
viscera,
in
presence
AgNO
3
.
The
characterization
obtained
AgNPs,
UV–visible
spectroscopy,
transmission
electron
microscopy
(TEM),
dynamic
light
scattering
(DLS),
Fourier-transform
infrared
(FTIR)
spectroscopy
analyses,
showed
that
they
are
crystalline,
spherical
stable
for
month
4°C.
Moreover,
biological
properties
synthesized
AgNPs
evaluated,
proving
exhibited
interesting
antioxidant
antibacterial
activities.
present
investigation
suggested
COSs
will
be
good
source
preparation
could
useful
different
industrial
biomedical
applications.
Язык: Английский