Gels,
Journal Year:
2023,
Volume and Issue:
9(12), P. 937 - 937
Published: Nov. 29, 2023
This
work
is
devoted
to
the
description
of
synthesis
hydrogels
in
process
cryotropic
gel
formation
based
on
copolymerization
synthesized
potassium
3-sulfopropyl
methacrylate
and
2-hydroxyethyl
(SPMA-co-HEMA)
assessing
potential
possibility
their
use
as
substrates
for
growing
plants
intensive
light
culture
a
greenhouse.
Gel
SPMA-co-HEMA
were
created
two
compositions,
differing
from
each
other
presence
macro-
microelements,
effects
studied
plants'
physiological
state
(content
chlorophylls
b,
activity
catalase
peroxidase
enzymes,
intensity
lipid
peroxidation,
elemental
compositions)
at
vegetative
period
development
growth,
productivity
quality
plant
production
final
stages
development.
Experiments
carried
out
under
controlled
microclimate
conditions.
Modern
standard
generally
accepted
methods
gels
employed
(ATR-FTIR
13C
NMR
spectral
studies,
scanning
electron
microscopy,
measurement
specific
surface
area
pore
volume),
well
chemical
analysis
plants.
The
study
demonstrated
swelling
ability
substrates.
Hydrogels'
structure,
area,
porosity,
volume
investigated.
Using
example
representatives
leaf,
fruit
root
vegetable
crops,
high
biological
was
revealed
throughout
vegetation
period.
Species
specificity
reaction
root-inhabited
environment
revealed.
Lettuce,
tomato
cucumber
more
responsive
effect
substrate,
radish
less
responsive.
At
same
time,
pronounced
positive
changes
observed
lettuce
variant
with
microelements
both
variants
Further
research
into
mechanisms
influence
plants,
new
properties
sorb
retain
moisture
promising.
Water Resources Management,
Journal Year:
2024,
Volume and Issue:
38(8), P. 2961 - 2976
Published: Feb. 28, 2024
Abstract
In
light
of
the
current
water
scarcity,
one
strategy
for
reducing
consumption
in
irrigated
agriculture
is
to
reduce
amount
irrigation
compared
full
crop
or
other
words
deficit
irrigation.
Deficit
management
may
be
a
critical
issue
due
climate
change.
Incorporation
different
soil
conditioners
can
improve
hydro-physical
properties
and
mitigate
negative
effects
water-stressed
conditions.
Recent
review
articles
either
addressed
specific
behavior
under
covered
single
type
conditioners.
This
manuscript
represents
an
inclusive
providing
insight
into
methods
incorporated
with
Crop
response
discussed
some
mathematical
models.
Three
main
types
are
covered:
bentonite,
biochar,
super-absorbent
polymers.
Mechanisms
associated
each
conditioner
enhance
retention
highlighted
as
well.
Previous
study
findings
were
comparatively
future
prospective,
recommendations
challenges
addressed.
Gels,
Journal Year:
2025,
Volume and Issue:
11(1), P. 66 - 66
Published: Jan. 15, 2025
Biosensors,
which
combine
physical
transducers
with
biorecognition
elements,
have
seen
significant
advancement
due
to
the
heightened
interest
in
rapid
diagnostic
technologies
across
a
number
of
fields,
including
medical
diagnostics,
environmental
monitoring,
and
food
safety.
In
particular,
polydiacetylene
(PDA)
is
gaining
attention
as
an
ideal
material
for
label-free
colorimetric
biosensor
development
its
unique
color-changing
properties
response
external
stimuli.
PDA
forms
through
self-assembly
diacetylene
monomers,
color
change
occurring
conjugated
backbone
twists
stimuli
such
temperature,
pH,
chemical
interactions.
This
enables
detection
biomarkers,
metal
ions,
toxic
compounds.
Moreover,
combination
polymeric
structures
hydrogels
further
enhances
sensitivity
structural
stability
PDA-based
biosensors,
making
them
reliable
effective
complex
biological
conditions.
review
comprehensively
examines
recent
research
trends
applications
PDA–polymeric
structure
hybrid
while
discussing
future
directions
potential
advancements
this
field.
Gels,
Journal Year:
2025,
Volume and Issue:
11(1), P. 31 - 31
Published: Jan. 2, 2025
Researchers
have
been
investigating
the
physical
and
morphological
properties
of
biodegradable
polymer
copolymer
films,
blending
them
with
other
chemicals
to
solve
challenges
in
medical,
industrial,
eco-environmental
fields.
The
present
study
introduces
a
novel,
straightforward
method
for
preparing
hydrogels
based
on
polyvinyl
alcohol
(PVA)
pyrrolidone
(PVP)
medical
applications.
resulting
PVA/PVP-based
hydrogel
uniquely
combines
water
absorbency,
biocompatibility,
biodegradability
composite.
For
hygiene
products
uses,
such
as
wound
healing,
hydrogen
peroxide
(HP)
was
encapsulated
PVA/PVP
controlled
release
application.
Incorporating
PVP
into
PVA
significantly
enhances
absorbency
improves
mechanical
properties.
However,
mitigate
disadvantage
high
which
could
result
undesired
early
dissolution,
efforts
were
made
increase
resistance
characteristics
these
using
freeze-thaw
(F/T)
cycles
chemical
crosslinking
chains
trisodium
trimetaphosphate
(STMP).
serve
environmentally
friendly
bio-based
blends,
broadening
their
applications
industrial
products.
structural
characterized
Fourier
transform
infrared
spectroscopy
(FTIR),
environmental
scanning
electron
microscope
analysis
(E-SEM),
water-swelling
tests.
HP
rate
evaluated
through
kinetic
experiments
ex
vivo
skin
model.
antibacterial
activity
films
examined
four
medically
relevant
bacteria:
Staphylococcus
aureus,
Enterococcus
faecalis,
Escherichia
coli,
Pseudomonas
aeruginosa,
an
adapted
disk
diffusion
assay.
Using
this
assay,
we
also
effect
over
course
days,
demonstrating
from
hydrogels.
These
findings
support
further
investigation
systems
improved
wound-healing
outcomes.
Gels,
Journal Year:
2024,
Volume and Issue:
10(6), P. 368 - 368
Published: May 26, 2024
The
evolution
from
conventional
to
modern
agricultural
practices,
characterized
by
Agriculture
4.0
principles
such
as
the
application
of
innovative
materials,
smart
water,
and
nutrition
management,
addresses
present-day
challenges
food
supply.
In
this
context,
polymer
hydrogels
have
become
a
promising
material
for
enhancing
productivity
due
their
ability
retain
then
release
which
can
help
alleviate
need
frequent
irrigation
in
dryland
environments.
Furthermore,
controlled
fertilizers
decreases
chemical
overdosing
risks
environmental
impact
associated
with
use
agrochemicals.
potential
sustainable
agriculture
farming
on
soil
quality
is
revealed
deliver
nutritional
protective
active
ingredients.
Thus,
plant
growth,
development,
yield
was
discussed.
question
are
more
suitable
agriculture—natural
or
synthetic—is
debatable,
both
merits
drawbacks.
An
analysis
hydrogel
life
cycles
terms
initial
has
shown
advantage
bio-based
hydrogels,
cellulose,
lignin,
starch,
alginate,
chitosan,
derivatives
hybrids,
aligning
practices
reducing
dependence
non-renewable
resources.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
Abstract
Hydrogel‐forming
microneedles
are
constructed
from
or
coated
with
polymeric,
hydrophilic
materials
that
swell
upon
insertion
into
the
skin.
Designed
to
dissolve
disintegrate
postinsertion,
these
can
deliver
drugs,
vaccines,
other
therapeutics.
Recent
advancements
have
broadened
their
application
scope
include
collection,
transport,
and
extraction
of
dermal
interstitial
fluid
(ISF)
for
medical
diagnostics.
This
review
presents
a
brief
introduction
characteristics
ISF,
methods
sampling,
critical
assessment
state‐of‐the‐art
in
hydrogel‐forming
ISF
Key
factors
evaluated
including
material
composition,
swelling
behavior,
biocompatibility,
mechanical
strength
necessary
effective
microneedle
performance
collection.
The
also
discusses
successful
examples
assays
sensor
integrations,
highlighting
notable
achievements,
identifying
research
opportunities,
addressing
challenges
potential
solutions.
Despite
predominance
synthetic
hydrogels
reported
technologies
due
favorable
gelation
properties,
there
is
significant
variety
biopolymers
composites
literature.
field
lacks
consensus
on
optimal
material,
fabrication
methods,
though
emerging
evidence
suggests
processing
techniques
utility
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(12), P. 2815 - 2815
Published: Nov. 27, 2024
The
growing
global
demands
for
food
security,
efficient
water
use,
and
environmentally
resilient
agricultural
strategies
call
a
sustainable
revolution.
Water
scarcity,
the
excessive
use
of
pesticides,
soil
degradation
are
viewed
as
threats
to
security.
Hydrogels,
three-dimensional
hydrophilic
polymer
networks,
appear
be
revolutionary
solutions
future.
Hydrogels
have
emerged
promising
solution
enhancing
crop
resilience,
yields,
agribusiness
productivity.
development
prospects
hydrogels
bring
about
revolution
in
agriculture
by
focusing
on
their
unique
properties,
including
excellent
absorption
capacity,
biodegradability,
controlled
nutrient/agrochemical
delivery.
potential
transform
traditional
farming
practices
into
novel
varieties
with
improved
traits
like
disease
resistance,
insect
drought
resistance.
enhance
moisture
retention,
thereby
facilitating
seed
germination
establishment.
Thus,
it
has
been
demonstrated
that
hydrogel
application
significant
impact
quality
resilience
under
challenging
conditions.
With
this
mind,
review
emphasizes
way
forward
agriculture,
taking
consideration
economic
benefits
reduced
irrigation
increased
yields
while
highlighting
need
regulatory
considerations
terms
safety,
environmental
impact,
long-term
effects.