Bioresources and Bioprocessing,
Journal Year:
2025,
Volume and Issue:
12(1)
Published: Feb. 15, 2025
Abstract
The
growing
demand
for
antimicrobial
textiles
and
environmental
concerns
over
synthetic
agents
have
driven
interest
in
biobased
like
chitosan,
an
eco-friendly
alternative
reported
with
variable
effectiveness
on
textiles.
This
research
investigates
the
effects
of
chitosan’s
molecular
weight,
concentration,
treatment
method,
their
interaction
antibacterial
physicomechanical
properties
cellulosic
nonwovens.
role
culture
medium
dynamics
testing
was
also
examined.
Chitosan
low
(30
kDa),
(250
kDa)
high
(2100
weights
at
concentrations
1
to
15
g/L
applied
using
pad-dry
dip-dry
methods,
dip
coating
resulting
higher
chitosan
deposition.
Antibacterial
activity
against
Escherichia
coli
(E.
coli)
assessed
three
methods:
agar
diffusion,
a
luminescent
bacterial
biosensor
assay,
log
reduction
colony-forming
units
(CFU/mL)
time-kill
test.
While
first
two
test
methods
showed
no
effect,
CFU/mL
revealed
significant
showing
that
dip-coated,
30
kDa
above
concentration
5
achieved
complete
reduction.
enhanced
performance
chitosan-coated
substrates,
compared
medium,
highlighted
nonwoven
boosting
effectiveness,
likely
through
improved
contact
cells.
study
demonstrated
chitosan-treated
nonwovens,
particularly
altered
tensile
strength
increased
bending
resistance
stiffness.
Graphical
Food Chemistry X,
Journal Year:
2024,
Volume and Issue:
23, P. 101589 - 101589
Published: June 22, 2024
Fruit
preservation
after
harvest
is
one
of
the
key
issues
in
current
agriculture,
rural
areas,
and
for
farmers.
Using
chitosan
to
keep
fruits
fresh,
which
can
reduce
harm
caused
by
chemical
preservative
residue
human
health.
It
also
helps
avoid
disadvantages
high
cost
physical
challenges
associated
with
difficult
operation.
This
review
focuses
on
application
progress
fruit
preservation.
Studies
have
shown
that
inhibits
growth
bacteria
fungi,
delays
aging
decay.
Furthermore,
it
regulate
respiration
physiological
metabolism
fruit,
helping
maintain
its
quality
nutritional
value.
The
mechanism
includes
antibacterial
properties,
film-forming
effects
processes
fruit.
However,
practical
applications,
such
as
determining
optimal
concentration
treatment
still
require
further
research
optimization.
Results in Chemistry,
Journal Year:
2024,
Volume and Issue:
8, P. 101559 - 101559
Published: May 24, 2024
This
comprehensive
review
examines
the
diverse
range
of
uses
gold
nanoparticles
across
numerous
disciplines,
focusing
on
their
distinctive
characteristics
in
catalysis,
thermal
conductivity,
optical
properties,
electrical
and
biological
interactions.
work
emphasizes
crucial
significance
progression
cancer
treatment,
demonstrating
multifunctionality
areas
drug
transport,
photothermal
therapy,
bioimaging,
diagnostic
applications.
Gold
have
demonstrated
utility
improving
accuracy
effectiveness
treatments,
presenting
innovative
approaches
to
address
clinical
obstacles.
Nevertheless,
research
also
discusses
notable
challenges,
including
apprehensions
over
toxicity,
influence
nanoparticle
size,
potential
environmental
repercussions.
These
issues
emphasize
necessity
responsible
administration
fully
exploit
capabilities
context
therapy.
Notwithstanding
these
obstacles,
ultimately
underscores
profound
domains
such
as
monitoring,
renewable
energy,
healthcare,
cosmetics,
biotechnology.
highlights
capacity
mold
future
through
inventive
adaptable
means
Molecules,
Journal Year:
2025,
Volume and Issue:
30(2), P. 207 - 207
Published: Jan. 7, 2025
The
scientific
interest
in
the
chemical
modification
of
chitosan
to
increase
its
solubility
and
application
has
led
conjugation
with
Schiff
bases,
which
are
interesting
scaffolds
endowed
diverse
biological
properties.
resultant
chitosan-based
bases
(CSBs)
widely
studied
literature
due
myriad
activities
exerted,
both
catalytic
biological,
including
anticancer,
anti-inflammatory,
antioxidant,
especially
antimicrobial
ones.
Antimicrobial
resistance
(AMR)
is
one
major
public
health
challenges
twenty-first
century
because
it
represents
a
threat
prevention
treatment
growing
number
bacterial,
parasitic,
viral,
fungal
infections
that
no
longer
treatable
available
drugs.
Thus,
this
review,
we
present
brief
outline
CSBs
as
well
their
complexes
metals,
particular
focus
on
recent
regarding
effect
these
captivating
derivatives.
Gels,
Journal Year:
2025,
Volume and Issue:
11(4), P. 275 - 275
Published: April 6, 2025
Chitosan
(CS),
a
versatile
biopolymer
obtained
through
the
deacetylation
of
chitin,
has
gained
significant
interest
in
biomedical
and
pharmaceutical
applications
due
to
its
biocompatibility,
biodegradability,
unique
gel-forming
capabilities.
This
review
comprehensively
analyzes
CS-based
gel
development,
covering
extraction
from
various
natural
sources,
gelation
mechanisms,
applications.
Different
methods,
including
chemical,
biological,
green
techniques,
are
discussed
regarding
efficiency
sustainability.
The
explores
physicochemical
properties
CS
that
influence
behavior,
highlighting
mechanisms
such
as
physical,
ionic,
chemical
cross-linking.
Recent
advances
formation,
Schiff
base
reactions,
Diels–Alder
click
chemistry,
thermosensitive
gelation,
have
expanded
applicability
hydrogels.
Furthermore,
gels
demonstrated
potential
wound
healing,
tissue
engineering,
drug
delivery,
antimicrobial
applications,
offering
controlled
release,
enhanced
tunable
mechanical
properties.
incorporation
nanomaterials,
bioactive
molecules,
functional
cross-linkers
further
improved
hydrogel
performance.
current
underscores
growing
significance
innovative
biomaterials
regenerative
medicine
sciences.
Starch - Stärke,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 20, 2024
Abstract
Growing
concerns
about
the
harmful
impact
of
synthetic
polymers
on
environment
and
living
organisms
have
shifted
attention
towards
biopolymers
which
are
environment‐friendly
biocompatible.
Biopolymers
represent
attractive
sustainable
biodegradable
alternatives
for
replacing
commercial
polymers.
Chitosan
is
one
most
prevalent
available
Earth.
an
alkaline
cationic
polymer,
deacetylated
form
chitin.
possesses
excellent
physicochemical
properties
such
as
biocompatibility,
biodegradability,
nontoxic,
nonallergenic,
biologically
active
molecules.
During
recent
years,
there
has
been
a
surge
in
demand
chitosan
various
fields,
however,
due
to
poor
water
solubility
mechanical
properties,
applications
limited
some
extent.
Strong
inter
intramolecular
hydrogen
bonds
matrix
make
it
highly
crystalline,
reducing
its
solubility.
Chemical
modification
by
technologies
reported
improve
other
characteristics,
expanding
application
areas.
Details
chemical
reactions
involved
focused
this
paper.
The
role
chitin
deacetylase
enzyme
discussed.
This
review
aims
provide
insight
into
developments
functionalization,
development
derivatives
applications.
