Biology,
Journal Year:
2024,
Volume and Issue:
14(1), P. 18 - 18
Published: Dec. 28, 2024
Gerbera
(Gerbera
hybrida)
is
a
popular
cut
flower
on
the
market,
so
extending
its
vase
life
(VL)
an
important
goal
in
horticultural
industry.
The
aim
of
this
study
was
to
improve
freshness
gerbera
flowers
through
optimal
solution
(OS)
and
analyze
preservation
mechanism.
We
used
chitosan
(COS),
calcium
chloride
(CaCl2),
citric
acid
(CA)
as
main
ingredients
determined
OS
ratio
104
mg/L
COS,
92
CA,
93
CaCl2
using
Box–Behnken
design-response
surface
method
(BBD-RSM).
results
showed
that
VL
14.5
days,
which
significantly
longer
than
maintained
Basic
Vase
Solution
(BVS)
Commercial
Formulation
(CF)
highly
consistent
with
theoretical
14.57
d.
Transcriptome
analysis
indicated
might
extend
by
regulating
phytohormone
signaling
pathways,
such
cytokinin
salicylic
signaling.
qRT-PCR
key
candidate
genes
supported
these
findings,
significant
upregulation
observed
related
synthesis
(e.g.,
GhIPT1
GhIPT9),
pathogen
defense
GhTGA1,
GhTGA4,
GhNPR1,
GhRBOHA),
plant
wax
stress
response
GhKCS5,
GhCUT1,
GhKCS6).
Further,
transcriptome
GO-enrichment
physiological
scavenging
reactive
oxygen
species,
including
activating
expression
oxidoreductase
activity
activities
antioxidant-system-related
enzymes
catalase
(CAT),
peroxidase
(POD),
ascorbate
(APX),
superoxide
dismutase
(SOD),
while
decreasing
malondialdehyde
(MDA)
content.
These
provide
valuable
insights
into
mechanisms
underlying
extended
offer
foundation
for
developing
more
effective
techniques.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(4)
Published: Jan. 1, 2025
Abstract
Exposure
to
high
amounts
of
volatile
organic
compounds
(VOC)
in
the
short
term
can
cause
headaches,
dizziness,
worsening
asthma
symptoms,
vomiting,
and
eye,
nose,
throat
irritation.
Thus,
a
gas
sensor
is
needed
detect
VOC
gases.
Chitosan
as
nonconducting
polymer
was
used
an
alternative
binder
for
thick
film
sensors
this
study.
dissolved
acetic
acid
produce
solution
mixed
with
graphene
nanoflakes
make
sensor.
Two
chitosan
recipes
were
study
investigate
their
performance
VOCs
acetone
ethanol.
A
single
layer
double
deposited
effects
on
sensing.
Single
layers
had
little
effect
sensing
response
ethanol
vapor.
Results
revealed
that
prepared
by
B
responded
better
than
value
achieved
T2‐2‐S1(3)
and,
T2‐2‐S1(1)
1.0579
1.0532,
respectively.
In
addition,
outstanding
performances,
terms
linearity
repeatability
characteristics.
Advances in environmental engineering and green technologies book series,
Journal Year:
2025,
Volume and Issue:
unknown, P. 301 - 326
Published: March 28, 2025
Chitosan
is
widely
recognized
as
a
promising
eco-friendly
polymer
due
to
its
renewability,
biocompatibility,
biodegradability,
non-toxicity,
and
ease
of
modification,
offering
numerous
opportunities
for
development.
As
cationic
polysaccharide,
chitosan
exhibits
distinctive
physicochemical
biological
properties
that
are
influenced
by
factors
such
molecular
weight
degree
deacetylation.
Recently,
there
has
been
surge
interest
in
derivatives,
driven
the
quest
improved
efficiency
expanded
applications.
The
versatility
this
offer
tremendous
potential
advancements
diverse
fields,
ranging
from
healthcare
environmental
remediation.
This
review
presents
an
updated
overview
chitosan's
production
sources
extraction
methods,
with
particular
focus
on
properties.
Furthermore,
it
highlights
benefits
derivatives
delves
into
various
approaches
biopolymer
modification.
