Journal of CO2 Utilization,
Год журнала:
2024,
Номер
80, С. 102696 - 102696
Опубликована: Фев. 1, 2024
We
report
important
progress
in
the
preparation
and
development
of
gas-responsive
fluorescent
materials
with
potential
as
efficient
anticancer
treatments
probes
for
biomedical
imaging.
An
environmental
stimuli-responsive
multifunctional
material
(ESMM)
composed
rhodamine
6
G
containing
a
pH-sensitive
spirolactam
unit
self-complementary
multiple
hydrogen-bonded
adenine
group
was
successfully
synthesized
through
simple
two-step
synthetic
pathway.
ESMM
has
extremely
poor
water
solubility,
even
weakly
acidic
aqueous
environment,
but
can
easily
dissolve
common
organic
solvents.
Due
to
unique
polar
heteroaromatic
structure
that
confers
chemical
reactivity
(or
responsiveness)
CO2,
hydrophobic
rapidly
completely
on
CO2
bubbling
treatment,
which
is
followed
by
formation
self-assembled
spherical-like
nanoparticles.
The
resulting
nanoparticles
demonstrate
spontaneous
characteristics
their
photophysical
properties,
surface
charge,
acid-base
characteristics,
morphology
be
quickly
stably
switched
off
alternating
cycles
N2
bubbling,
thus
effectively
manipulate
physical
performance.
Importantly,
vitro
cell
assays
clearly
indicated
protonation
remarkably
enhances
anti-hemolytic
properties
results
highly
potent
selective
cytotoxicity
against
cancer
cells
at
low
doses,
not
normal
cells.
In
contrast,
pristine
did
exhibit
cytotoxic
effect
or
Therefore,
this
newly
discovered
CO2-responsive
system
may
have
great
improve
safety
effectiveness
chemotherapeutic
drugs.
Petroleum Science,
Год журнала:
2023,
Номер
20(6), С. 3530 - 3539
Опубликована: Июль 13, 2023
Surface
active
ionic
liquids
(SAILs)
are
considered
as
prominent
materials
in
enhanced
oil
recovery
thanks
to
their
high
interfacial
activity.
This
study
reports
the
preparation
and
applications
of
a
nanostructure
Tripodal
imidazolium
SAIL
an
environmentally-friendly
substitute
conventional
surfactants.
The
product
has
star-like
molecular
structure
centered
by
triazine
spacer,
namely
[(C4im)3TA][Cl3],
prepared
one-step
synthesis
method
characterized
with
FT-IR,
NMR,
XRD,
SEM
analysis
methods.
tension
system
was
decreased
about
78%
at
critical
micelle
concentration
less
than
0.08
molˑdm−3.
Increasing
temperature,
from
298.2
323.2
K,
improved
this
capability.
solid
surface
wettability
changed
oil-wet
water-wet
80%
77%
stable
emulsions
crude
oil–aqueous
solutions
were
created
after
one
day
week,
respectively.
Compared
Gemini
kind
homologous
SAILs,
superior
effects
revealed
attributed
strong
hydrophobic
branches
molecule.
Frumkin
adsorption
isotherm
precisely
reproduced
generated
IFT
data,
accordingly,
thermodynamic
parameters
determined.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 16, 2025
Abstract
Recovering
the
remaining
oil
after
primary
and
secondary
extraction
methods
poses
a
significant
challenge.
Enhanced
recovery
(EOR)
techniques,
which
involve
injecting
fluids
into
reservoirs,
aim
to
increase
rates.
Ionic
liquids,
known
for
their
adaptability,
are
emerging
as
promising
agents
in
EOR,
improving
displacement
by
reshaping
fluid
properties
interacting
with
reservoir
rocks.
This
study
investigates
eco-friendly
amino
acid
ionic
liquid,
AAIL
[G0.5
C12][Pro],
EOR
applications,
focusing
on
its
characterization
performance.
Using
pre-prepared
quaternary
ammonium
salt
PAMAM
G0.5
C12
proline,
C12][Pro]
was
synthesized
confirmed
via
FTIR
1H-NMR
analyses.
Rheological
analysis
identified
7
g
of
optimal
concentration
peak
Laboratory
sand-pack
experiments
demonstrated
an
11%
at
this
concentration.
Further,
3D
model
simulation
validated
enhanced
potential
C12][Pro].
The
introduces
novel
liquid
demonstrates
superior
effectiveness
enhancing
through
wettability
modification
interfacial
tension
reduction,
underscoring
effective
environmentally
friendly
agent
compared
other
liquids
conventional
methods.
Separation and Purification Reviews,
Год журнала:
2022,
Номер
52(3), С. 164 - 192
Опубликована: Апрель 8, 2022
Ionic
liquid
(IL)-based
surfactants
exhibit
prominent
properties
in
adsorption
and
aggregation,
providing
strong
influence
on
interfacial
of
phases.
This
review
overviews
the
main
characteristics
IL-based
their
versatility
different
processes
particularly
those
dealing
with
stabilization
immiscible
liquids
solids
for
aim
producing
microemulsions
micelles.
Applications
separation
chromatographic
extraction
techniques
petroleum
industry
augmenting
oil
recovery,
asphaltene
paraffin
deposits
crude
are
precisely
studied
by
describing
mechanisms
as
well
qualitative
quantitative
comparison
to
conventional
everywhere
relevant.
These
highlighted
respect
importance
selecting/tailoring
desired
relation
operating
parameters.
Moreover,
challenges
directions
future
outlooks
specific
topics
discussed.
RSC Advances,
Год журнала:
2023,
Номер
13(23), С. 15747 - 15761
Опубликована: Янв. 1, 2023
Gemini
surface
active
ionic
liquids
(GSAILs)
are
considered
a
new
prosperous
class
of
and
recognized
as
high
performance
materials.
The
present
study
explores
the
capabilities
newly
synthesized
GSAILs,
constructed
from
two
benzimidazole
rings
attached
via
four
or
six
carbon
spacer,
namely
[C4benzim-Cn-benzimC4][Br2],
n
=
4
6.
products
were
characterized
with
FT-IR,
NMR,
XRD,
TGA,
DTG
SEM
methods
used
in
curing
interfacial
properties
crude
oil-water
system.
tension
(IFT)
was
reduced
to
about
64
71%
under
critical
micelle
concentrations
(CMCs)
0.028
0.025
mol
dm-3
at
298.2
K
for
6
respectively.
Temperature
significantly
assisted
this
effect.
Both
GSAILs
could
transfer
wettability
solid
oil-wet
water-wet.
Further,
stable
oil/water
emulsions
produced,
having
emulsion
indices
74.2
77.3%
Compared
homologous
imidazolium
benzimidazolium
revealed
better
sense
exhibiting
desired
effects
on
investigated
properties.
These
can
be
attributed
stronger
hydrophobicity
well
spreading
molecular
charges.
Frumkin
isotherm
exactly
reproduce
IFT
data,
leading
precise
determination
important
adsorption
thermodynamic
parameters.
