Foods,
Journal Year:
2024,
Volume and Issue:
13(2), P. 278 - 278
Published: Jan. 16, 2024
The
use
of
food
waste
as
a
rearing
substrate
to
grow
insects
is
an
ecofriendly
and
sustainable
alternative
disposal.
In
the
present
research,
Hermetia
illucens
prepupae
were
reared
with
standard
diet,
different
waste-based
diets
based
on
vegetables,
fruits,
meat,
mixed
one,
where
previous
three
components
equally.
demineralization
deproteination
allowed
for
obtainment
chitin
that
was
then
deacetylated
produce
chitosan.
Also,
bleaching
chitosan
attempted
further
purification.
yield
reactions
investigated,
infrared
spectra
obtained
materials
analyzed
obtain
information
quantity
acetylation
degree
trend
function
diet.
possibility
slightly
modulate
both
biopolymers
thanks
specific
diet
enlightened.
Interestingly,
resulted
in
highest
fraction
having
degree,
lowest
degree.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(7), P. 2996 - 2996
Published: March 27, 2023
Chitosan
(CS),
a
biopolymer
derived
from
chitin,
is
known
for
strong
antifungal
activity
while
being
biodegradable,
biocompatible,
and
non-toxic.
Because
of
its
characteristic
it
has
been
widely
used
in
control
fungal
pathogens.
Antifungal
chitosan
can
be
further
enhanced
by
obtaining
nanoparticles
(CSNPs).
However,
most
the
experiments
using
CS
CSNPs
as
agents
were
performed
under
various
conditions
diverse
batches
different
characteristics
obtained
sources.
Therefore,
essential
to
systematize
available
information.
This
work
contains
current
review
on
how
parameters:
molecular
weight,
degree
deacetylation,
acetylation
pattern
dispersity
these
features
shape
activity.
It
also
considers
concentration
protonation
(pH)
water
solutions
define
final
biological
effect.
Review
explains
detail
parameters
affect
CSNPs,
particle
size,
zeta
potential,
dispersities
both
determine
In
addition
discusses
possible
cells
that
their
susceptibility
substances.
The
response
fungi
varies
according
species
stages
development.
precise
knowledge
CSNP
specific
pathogens
will
help
design
optimize
environmentally
friendly
plant
protection
strategies
against
fungi.
Frontiers in Chemistry,
Journal Year:
2024,
Volume and Issue:
11
Published: Jan. 4, 2024
For
many
years,
chitosan
has
been
widely
regarded
as
a
promising
eco-friendly
polymer
thanks
to
its
renewability,
biocompatibility,
biodegradability,
non-toxicity,
and
ease
of
modification,
giving
it
enormous
potential
for
future
development.
As
cationic
polysaccharide,
exhibits
specific
physicochemical,
biological,
mechanical
properties
that
depend
on
factors
such
molecular
weight
degree
deacetylation.
Recently,
there
renewed
interest
surrounding
derivatives
chitosan-based
nanocomposites.
This
heightened
attention
is
driven
by
the
pursuit
enhancing
efficiency
expanding
spectrum
applications.
Chitosan’s
adaptability
unique
make
game-changer,
significant
contributions
industries
ranging
from
healthcare
environmental
remediation.
review
presents
an
up-to-date
overview
production
sources
extraction
methods,
focusing
chitosan’s
physicochemical
properties,
including
weight,
deacetylation
solubility,
well
antibacterial,
antifungal
antioxidant
activities.
In
addition,
we
highlight
advantages
biopolymer
modification
with
recent
advances
in
preparation
Finally,
versatile
applications
chitosan,
whether
native
state,
derived
or
incorporated
into
nanocomposites
various
fields,
food
industry,
agriculture,
cosmetics
pharmaceutical
medicine,
wastewater
treatment,
were
discussed.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(13), P. 2820 - 2820
Published: June 26, 2023
Chitosan
is
produced
by
deacetylating
the
abundant
natural
chitin
polymer.
It
has
been
employed
in
a
variety
of
applications
due
to
its
unique
solubility
as
well
chemical
and
biological
properties.
In
addition
being
biodegradable
biocompatible,
it
also
possesses
lot
reactive
amino
side
groups
that
allow
for
modification
creation
wide
range
useful
derivatives.
The
physical
characteristics
chitosan,
how
used
food,
environmental,
medical
industries,
have
all
covered
number
academic
publications.
offers
possibilities
environmentally
friendly
textile
processes
because
superior
absorption
characteristics.
ability
give
fibers
fabrics
antibacterial,
antiviral,
anti-odor,
other
functions.
One
most
well-known
frequently
methods
create
nanofibers
electrospinning.
This
technique
adaptable
effective
creating
continuous
nanofibers.
field
biomaterials,
new
materials
include
made
chitosan.
Numerous
medications,
including
antibiotics,
chemotherapeutic
agents,
proteins,
analgesics
inflammatory
pain,
successfully
loaded
onto
electro-spun
nanofibers,
according
recent
investigations.
several
exceptional
qualities
make
them
ideal
use
important
pharmaceutical
applications,
such
tissue
engineering,
drug
delivery
systems,
wound
dressing,
enzyme
immobilization.
preparation
chitosan
followed
discussion
biocompatibility
degradation
description
load
into
are
first
issues
highlighted
this
review
applications.
main
uses
systems
will
be
discussed
last.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Jan. 2, 2023
Lesions
with
bone
loss
may
require
autologous
grafts,
which
are
considered
the
gold
standard;
however,
natural
or
synthetic
biomaterials
alternatives
that
can
be
used
in
clinical
situations
support
for
neoformation.
Collagen
and
hydroxyapatite
have
been
repair
based
on
concept
of
biomimetics,
combined
chitosan,
forming
a
scaffold
cell
adhesion
growth.
However,
osteoporosis
caused
by
gonadal
hormone
deficiency
thus
compromise
expected
results
osseointegration
scaffolds.
The
aim
this
study
was
to
investigate
osteoregenerative
capacity
collagen
(Co)/chitosan
(Ch)/hydroxyapatite
(Ha)
scaffolds
rats
experimental
bilateral
ovariectomy.
Forty-two
were
divided
into
non-ovariectomized
(NO)
ovariectomized
(O)
groups,
three
subgroups:
control
(empty
defect)
two
subgroups
receiving
collagen/chitosan/hydroxyapatite
prepared
using
different
methods
incorporation,
situ
(CoChHa1)
ex
(CoChHa2).
defect
areas
submitted
macroscopic,
radiological,
histomorphometric
analysis.
No
inflammatory
processes
found
tibial
area
would
indicate
immune
rejection
scaffolds,
confirming
biocompatibility
biomaterials.
Bone
formation
starting
from
margins
observed
all
rats,
greater
volume
NO
particularly
group
CoChHa2.
Less
O
when
compared
NO.
In
conclusion,
stimulate
growth
vivo
but
abnormal
conditions
fragility
delayed
process.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(6), P. 1342 - 1342
Published: March 8, 2023
The
physicochemical
features
of
the
avian
eggshell
membrane
play
an
essential
role
in
process
calcium
carbonate
deposition
during
shell
mineralization,
giving
rise
to
a
porous
mineralized
tissue
with
remarkable
mechanical
properties
and
biological
functions.
could
be
useful
by
itself
or
as
bi-dimensional
scaffold
build
future
bone-regenerative
materials.
This
review
focuses
on
biological,
physical,
that
for
purpose.
Due
its
low
cost
wide
availability
waste
byproduct
egg
processing
industry,
repurposing
bone
bio-material
manufacturing
fulfills
principles
circular
economy.
In
addition,
particles
have
has
potential
used
bio-ink
3D
printing
tailored
implantable
scaffolds.
Herein,
literature
was
conducted
ascertain
degree
which
satisfy
requirements
development
principle,
it
is
biocompatible
non-cytotoxic,
induces
proliferation
differentiation
different
cell
types.
Moreover,
when
implanted
animal
models,
elicits
mild
inflammatory
response
displays
characteristics
stability
biodegradability.
Furthermore,
possesses
viscoelastic
behavior
comparable
other
collagen-based
systems.
Overall,
membrane,
can
further
tuned
improved,
make
this
natural
polymer
suitable
basic
component
developing
new
graft
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(2), P. 367 - 367
Published: Feb. 7, 2023
In
recent
years,
composite
materials
including
organic–inorganic
systems
have
drawn
special
attention
due
to
their
enhanced
properties
such
as
adsorbents
and
heterogeneous
catalysts.
At
the
same
time,
large-scale
production
of
environmentally
benign
functionalized
biopolymers,
chitosan
(CS),
allows
for
constantly
developing
new
materials,
since
CS
reveals
remarkable
a
stabilizing
agent
metal-containing
compounds
enzymes
an
adsorbent
organic
molecules.
This
review
is
focused
on
CS-based
CS-oxide
CS-metal
composites
in
particular
application
supports
catalytically
active
metal
nanoparticles
enzymes.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(10), P. 5107 - 5121
Published: March 1, 2024
Ensuring
the
safety
of
crop
production
presents
a
significant
challenge
to
humanity.
Pesticides
and
fertilizers
are
commonly
used
eliminate
external
interference
provide
nutrients,
enabling
crops
sustain
growth
defense.
However,
addition
chemical
substances
does
not
meet
environmental
standards
required
for
agricultural
production.
Recently,
natural
sources
such
as
biostimulants
have
been
found
help
plants
with
The
development
provides
new
solutions
product
has
become
widely
utilized
tool
in
agricultural.
review
summarizes
classification
biostimulants,
including
humic-based
biostimulant,
protein-based
oligosaccharide-based
metabolites-based
inorganic
substance,
microbial
inoculant.
This
attempts
summarize
suitable
alternative
technology
that
can
address
problems
analyze
current
state
research
mechanisms,
anticipates
future
technological
developments
market
trends,
which
comprehensive
information
researchers
develop
biostimulants.
