Chemical and Biological Technologies in Agriculture,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Dec. 2, 2024
The
total
polysaccharides
extracted
from
Laetiporus
sulphureus
fruiting
bodies
by
ultrasound-assisted
complex
enzyme
method
were
separated
freeze–thaw
combined
with
fehling
reagent
to
prepare
purified
polysaccharide
(LSPS1).
results
of
monosaccharide
composition
and
molecular
weight
distribution
demonstrated
that
LSPS1
contained
galactose
(51.83%),
mannose
(26.89%),
fucose
(16.13%)
glucose
(5.15%),
the
was
around
17.3
kDa.
Methylation
analysis
indicated
backbone
consisted
1,6-Galp
residues,
branched
at
O-2
Galp
t-Manp,
t-Fucp
t-Glcp
residues
as
side
chains.
In
addition,
used
for
synthesis
SeNPs
based
on
redox
system
sodium
selenite
ascorbic
acid.
L.
selenium
nanoparticles
(LSPS1–SeNPs)
characterized
UV,
FT-IR,
ICP-MS,
EDX,
DLS
SEM,
inferring
LSPS1–SeNPs
stabilized
spherical
granular
surface
structure
well
a
mean
particle
size
96.72
±
1.12
nm.
Both
possessed
strong
antioxidant
hypoglycemic
activities
while
effects
superior
LSPS1.
findings
provided
valuable
structural
information
polysaccharide,
will
promote
application
in
potential
agent
candidate.
Gels,
Journal Year:
2025,
Volume and Issue:
11(1), P. 37 - 37
Published: Jan. 4, 2025
Cellulose
nanofibers
gained
increasing
interest
in
the
production
of
medical
devices
such
as
mucoadhesive
nanohydrogels
due
to
their
ability
retain
moisture
(high
hydrophilicity),
flexibility,
superior
porosity
and
durability,
biodegradability,
non-toxicity,
biocompatibility.
In
this
work,
we
aimed
compare
suitability
selected
bacterial
vegetal
nanocellulose
form
hydrogels
for
biomedical
applications.
The
cellulose
were
synthesized
from
brewer's
spent
grains
(BSG)
kombucha
membranes,
respectively.
Two
prepared,
one
based
on
other
(VNC
BNC,
respectively).
VNC
was
less
opaque
more
fluid
than
BNC.
cytocompatibility
vitro
antioxidant
activity
nanocellulose-based
investigated
using
human
gingival
fibroblasts
(HGF-1,
ATCC
CRL-2014).
investigation
hydrogel-mucin
interaction
revealed
that
BNC
hydrogel
had
an
approx.
2×
higher
mucin
binding
efficiency
at
a
hydrogel/mucin
ratio
(mg/mg)
=
4.
exhibited
highest
potential
increase
number
metabolically
active
viable
cells
(107.60
±
0.98%
cytotoxicity
negative
control)
among
all
culture
conditions.
reduced
amount
reactive
oxygen
species
(ROS)
by
about
23%
(105.5
2.2%
C-)
comparison
with
positive
control,
whereas
ROS
level
slightly
(120.2
3.9%
following
treatment.
Neither
two
showed
antibacterial
when
assessed
diffusion
method.
data
suggest
fermentation
could
be
better
candidate
cytocompatible
nanoformulations
grains.
both
VNC,
respectively,
should
improved.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(1), P. 190 - 190
Published: Jan. 15, 2024
The
formation
of
biogenic
selenium
nanoparticles
(SeNPs)
through
microbial
activities
is
a
promising
technique
that
can
contribute
to
the
development
reliable,
non-toxic
and
environmentally
friendly
synthesis
methods.
Among
these,
under
optimal
conditions,
myconanotechnology
confers
particular
characteristics
due
generation
bioactive
fungal
metabolites
with
various
bioactivities.
formed
SeNPs
are
known
be
stabilized
by
biomolecules
microorganism,
forming
so-called
bio-corona
or
capping
structure.
composition
this
greatly
impacts
activity,
but
investigations
have
been
limited
date.
produced
Trichoderma
sp.
potential
applications
in
crops
environmental
management,
as
both
benefit
cultivated
plants
phytoremediation.
This
review
summarizes
biosynthesis
contextualizes
possible
correlations
between
Trichoderma;
it
also
provides
missing
analysis
could
help
understand
optimize
process.
Biosynthesis
methods
probable
mechanisms
briefly
discussed
well
role
trichogenic
plant
protectants,
biostimulants,
safe
biofortifying
agents.
knowledge
gaps
related
biosynthesis,
control
desired
for
specific
agricultural
function,
technology
scale-up
connection
needed
future
research
directions.
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(12), P. 2032 - 2032
Published: Nov. 22, 2023
Selenium
(Se)
is
an
indispensable
trace
element
with
versatile
functions
in
antioxidant
defense
poultry.
In
our
previous
study,
we
synthesized
a
novel
type
of
biogenic
selenium
nanoparticle
based
on
alginate
oligosaccharides
(SeNPs-AOS),
and
found
that
the
particles
are
sized
around
80
nm
8%
Se
content,
dietary
addition
5
mg/kg
SeNPs-AOS
could
effectively
alleviate
deleterious
effects
heat
stress
(HS)
broilers,
but
it
still
unclear
whether
can
improve
meat
quality.
Therefore,
aim
this
study
was
to
evaluate
protective
breast
quality
heat-stressed
explore
relevant
mechanisms.
Birds
at
age
21
days
were
randomly
divided
into
four
groups
six
replicates
per
group
(eight
broilers
replicate)
according
2
×
experimental
design,
using
HS
(33
±
°C,
10
h/day
vs.
thermoneutral,
TN,
under
23
1.5
°C)
(5
feed
no
inclusion)
as
variables.
The
results
showed
decreased
cooking
loss
(p
<
0.05),
freezing
0.001),
shear
force
0.01)
muscle
broilers.
non-targeted
metabolomics
analysis
identified
78
differential
metabolites
between
+
groups,
mainly
enriched
arginine
proline
metabolism,
β-alanine
D-arginine
D-ornithine
pantothenate,
CoA
biosynthesis
pathways
0.05).
Meanwhile,
supplementation
increased
levels
total
capacity
(T-AOC),
activities
catalase
(CAT)
glutathione
peroxidase
(GSH-Px),
content
malondialdehyde
(MDA)
0.05)
exposure.
Additionally,
upregulated
mRNA
expression
CAT,
GPX1,
GPX3,
heme
oxygenase-1
(HO-1),
masculoaponeurotic
fibrosarcoma
G
(MafG),
MafK,
selenoprotein
W
(SELENOW),
SELENOK,
ferritin
heavy
polypeptide-1
(FTH1),
Ferroportin
1
(Fpn1),
nuclear
factor
erythroid
2-related
(Nrf2)
while
downregulated
Kelch-like
ECH-associated
pro-36
tein
(Keap1)
prostaglandin-endoperoxide
Synthase
(PTGS2)
HS.
These
findings
demonstrated
mitigated
HS-induced
oxidative
damage
metabolite
changes
which
may
be
related
regulation
Nrf2
signaling
pathway
synthesis.
addition,
gene
anti-ferroptosis-related
molecules
HS,
suggesting
used
supplements
against
Pharmaceuticals,
Journal Year:
2023,
Volume and Issue:
17(1), P. 23 - 23
Published: Dec. 22, 2023
Phytosynthesized
selenium
nanoparticles
(SeNPs)
are
less
toxic
than
the
inorganic
salts
of
and
show
high
antioxidant
antibacterial
activity.
Chitosan
prevents
microbial
biofilm
formation
can
also
determine
dispersal.
Never-dried
bacterial
nanocellulose
(NDBNC)
is
an
efficient
carrier
bioactive
compounds
a
flexible
nanofibrillar
hydrophilic
biopolymer.
This
study
aimed
to
develop
selenium-enriched
hydrogel
nanoformulation
(Se-HNF)
based
on
NDBNC
from
kombucha
fermentation
fungal
chitosan
with
embedded
biogenic
SeNPs
phytosynthesized
by
aqueous
extract
sea
buckthorn
leaves
(SbLEx)-SeNPsSb-in
order
both
disperse
gingival
dysbiotic
prevent
its
development.
We
determined
total
phenolic
content
activity
SbLEx.
Liquid
chromatography-mass
spectrometry
(LC-MS)
high-performance
liquid
chromatography
(HPLC)
were
used
for
identification
polyphenols
SeNPsSb
characterized
transmission
electron
microscopy-energy-dispersive
X-ray
spectroscopy
(TEM-EDX),
dynamic
light
scattering
(DLS),
zeta
potential,
Fourier
transform
infrared
(FTIR)
diffraction
(XRD)
in
small-
wide-angle
(SAXS
WAXS).
The
was
SEM,
FTIR,
XRD,
rheology,
mucin
binding
efficiency,
contact
angle
interfacial
tension
measurements.
assessed
vitro
biocompatibility,
antimicrobial
antibiofilm
potential
Se-HNF.
TEM,
DLS
SAXS
evidenced
polydisperse
SeNPsSb,
whereas
FTIR
highlighted
heterogeneous
biocorona
various
biocompounds.
polar
surface
smaller
(52.82
±
1.23°)
that
obtained
non-polar
(73.85
0.39°).
97.6
0.47
mN/m.
efficiency
Se-HNF
decreased
as
amount
decreased,
SEM
analysis
showed
relatively
compact
structure
upon
contact.
XRD
analyses
interaction
between
BNC
CS
through
characteristic
peak
shifting,
rheological
measurements
pseudoplastic
behavior,
0.186
N
adhesion
force
0.386
energy.
results
degree
cytocompatibility
significant
International Journal of Food Science & Technology,
Journal Year:
2024,
Volume and Issue:
59(10), P. 7541 - 7549
Published: Sept. 6, 2024
Summary
The
urgent
investigation
of
antimicrobial
films
is
imperative
to
mitigate
the
proliferation
pathogens
in
food,
extending
product
shelf
life
and
ensuring
food
safety,
crucial
aspects
for
public
health
sustainability
global
system.
We
developed
cassava
starch‐based
containing
1%
2%
biogenic
selenium
nanoparticles
(Bio‐SeNPs)
produced
by
enterocin
MF5
assess
activity.
addition
Bio‐SeNPs
altered
luminosity
gave
a
reddish
hue
films.
UV–visible,
FTIR,
thermogram
analyses
revealed
intermolecular
interactions
between
starch
Bio‐SeNPs.
Scanning
electron
microscopy
showed
smooth
homogeneous
surface
nanocomposite
Water
vapour
permeability
ranged
from
9.4
0.68
g
mm
h
−1
m
−2
kPa
,
lower
than
control
values.
Swelling
values
were
higher
film
Bio‐SeNPs,
water
transmission
was
lower.
exhibited
MICs
5.5
μL
mL
Listeria
spp.,
10.9
Salmonella
250
Escherichia
coli
.
Antimicrobial
activity
1.5–1.9
log
1.6–2.0
liquid
medium
dry
film,
respectively,
after
24
h.
also
applied
cherry
tomatoes
without
altering
their
characteristics
compared
positive
control.
Our
study
demonstrated
high
potential
using
biodegradable
prevent
contamination.
Journal of Functional Biomaterials,
Journal Year:
2024,
Volume and Issue:
15(7), P. 202 - 202
Published: July 22, 2024
Selenium
nanoparticles
(SeNPs)
have
specific
properties
that
result
from
their
biosynthesis
particularities.
Chitosan
can
prevent
pathogenic
biofilm
development.
A
wide
palette
of
bacterial
nanocellulose
(BNC)
biological
and
physical-chemical
are
known.
The
aim
this
study
was
to
develop
a
hydrogel
formulation
(SeBNCSFa)
based
on
ferulic
acid-grafted
chitosan
enriched
with
SeNPs
Kombucha
fermentation
(SeNPsK),
which
could
be
used
as
an
adjuvant
for
oral
implant
integration
other
applications.
grafted
SeBNCSFa
were
characterized
by
biochemical
methods.
cell
viability
proliferation
HGF-1
gingival
fibroblasts
investigated,
well
in
vitro
antioxidant
activity.
inflammatory
response
determined
enzyme-linked
immunosorbent
assay
(ELISA)
the
proinflammatory
mediators
(IL-6,
TNF-α,
IL-1β)
culture
medium.
Likewise,
amount
nitric
oxide
released
measured
Griess
reaction.
antimicrobial
activity
also
investigated.
grafting
degree
acid
approximately
1.780
±
0.07%
total
monomeric
units,
assuming
single-site
per
monomer.
Fourier-transform
infrared
spectroscopy
evidenced
convolution
BNC
spectra,
X-ray
diffraction
analysis
highlighted
amorphous
rearrangement
patterns,
suggesting
multiple
interactions.
showed
high
cytocompatibility,
enhanced
antioxidant,
anti-inflammatory,
potentials.
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(10), P. 1191 - 1191
Published: Sept. 30, 2024
Traditionally,
kombucha
is
produced
by
the
fermentation
of
black
or
green
tea
infusions
with
use
SCOBY
(Symbiotic
Culture
Bacteria
and
Yeasts).
However,
exhibits
ability
to
ferment
other
substrates
as
well,
which
can
be
used
create
novel
products
new
sensory
health-promoting
properties.
This
paper
investigates
antioxidant
activity,
chemical
composition,
properties
mint,
nettle,
blackcurrant
leaf-based
analogs.
It
has
been
demonstrated
that
process
significantly
influenced
(