Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 30, 2025
Abstract
Deep
eutectic
solvents
(DES),
recognized
as
tunable
green
solvents,
show
significant
potential
for
enhancing
enzyme
activity
in
biocatalytic
applications.
This
study
investigated
the
effect
of
choline
chloride–ethylene
glycol
DES
on
lipase
Aspergillusniger
C2J6
whole
cells,
employing
a
self-isolated
endophytic
strain.
By
varying
molar
ratio
(1:2–1:4)
and
water
content
(0–80%),
highest
(142.31%)
was
observed
at
1:1.55
with
46%
content.
Mathematical
models
were
developed
to
connect
composition
key
properties,
including
surface
tension,
conductivity,
density,
viscosity,
refractive
index,
polarity,
activity.
Statistical
analysis
revealed
that
among
physicochemical
properties
DES,
polarity
exhibited
most
impact
enzymatic
activity,
followed
by
conductivity.
provides
valuable
insights
designing
optimized
systems
improve
efficiency
precision.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(12)
Published: May 3, 2024
Abstract
The
entrapment
of
deep
eutectic
solvents
(DES)
and
systems
into
porous
scaffolds
renders
a
new
class
soft
nonvolatile
materials
called
eutectogels
that
have
recently
stepped
the
spotlight
in
different
areas
ranging
from
electronics
to
drug
delivery.
Recent
progress
use
DES
biocatalysis,
where
they
been
demonstrated
improve
substrate
supply,
conversion,
enzyme
stability,
has
opened
an
unparalleled
opportunity
exploit
merits
for
immobilizing
biological
catalysts.
resulting
functional
could
outperform
traditional
hydrogels
ionic
liquid
gels,
offering
fresh
perspectives
broaden
application
scope
many
enzymes.
In
this
perspective,
we
go
potential
as
innovative
support
biocatalytic
reactions
discuss
applications
these
show
plain
benefits
compared
materials.
Future
directions
newly
developed
technology
are
highlighted.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(2), P. 1135 - 1145
Published: Jan. 23, 2024
Nanotechnology
has
advanced
significantly;
however,
little
is
known
about
the
potential
implications
on
human
health-related
issues,
particularly
blood
carrying
enzymes.
Ionic
liquids
are
also
well-recognized
for
maintaining
structure
and
activity
of
In
this
regard,
we
delineate
a
facile
synthetic
approach
preparation
Fe3O4
nanoparticles
(NPs)
as
well
choline
hydroxide
[CH][OH]
ionic
liquid
(IL)-supported
NPs
(Fe3O4–CHOH).
This
combining
magnetic
(MNPs)
with
IL
results
in
distinctive
properties,
which
may
offer
enormous
utility
field
biomedical
research
due
to
effortless
separation
MNPs
by
an
external
field.
Detailed
characterization
including
Fourier
transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
Raman
spectroscopy,
transmission
electron
microscopy
(TEM),
scanning
(SEM)
was
carried
out.
The
biomolecular
interactions
Fe3O4–CHOH
cytochrome
c
(Cyt
c)
were
studied
detail
using
various
spectroscopic
microscopic
techniques.
From
studies,
it
can
be
concluded
that
secondary
Cyt
more
stable
presence
than
NPs.
binding
constant
calculated
Benesi–Hildebrand
equation.
Furthermore,
dynamic
light
scattering
(DLS),
ζ-potential,
studies
performed
study
interaction
MNPs.
These
provided
evidence
favoring
formation
bionanoconjugates
Moreover,
enzymatic
increases
both
peroxidase
explicitly
elucidates
enzyme
preserved
long
time
Later
on,
TEM
emission
(FESEM)
gather
information
regarding
morphology