JCIS Open,
Journal Year:
2024,
Volume and Issue:
14, P. 100112 - 100112
Published: May 14, 2024
Recently,
there
has
been
growing
interest
in
the
hierarchical
assemblies
of
zwitterionic
betaine
amphiphiles
across
various
fields
due
to
their
utility
as
stimuli-responsive
materials.
Herein,
we
systematically
investigate
binary
supramolecular
assembly
amido
betaines
and
diamines
determine
how
alkyl
chain
length
(CnDAB)
amine
degree
influence
relaxation
dynamics
resultant
coacervates.
To
this
end,
synthesized
five
CnDAB
molecules
with
varying
carbon
lengths
(n=12,
14,
16,
18,
20)
conjugated
them
three
different
(ethylenediamine,
EDA;
n,n'-dimethylethylenediamine,
DMEDA;
n,n,n',n'-tetramethylethylenediamine,TMEDA).
We
employed
rheology
compare
bulk
properties
these
well
gain
insight
into
responsiveness
pH
stimulus.
All
betaine/diamine
co-assemblies
for
all
values
showed
shear-thinning
behavior
while
onset
shear
thinning
some
variation
rate
inducing
such
an
onset.
By
changing
molecular
architecture
co-assembling
pairs,
zero-shear
viscosity
varied
from
∼10-1
Pa.s
∼103
at
a
concentration
100
mM
50
diamine
water.
Four-order-of-magnitude
difference
small
changes
indicates
that
precise
tuning
rheological
is
possible
simply
by
controlling
self-assembly
tendencies
nano-to-micro
scale
aggregation
morphologies
through
bi-molecular
design.
Out
15
combinations
pairs
studied,
primary
EDA
C18DAB
resulted
highest
pH-controlled
(i.e.,
pH-responsivity).
Below
16-carbon
chains
on
betaines,
mostly
disappeared.
Overall,
systematic
study
brings
new
insights
structure-property
relationships
systems,
which
are
widely
used
diverse
sets
applications
fields.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
908, P. 168407 - 168407
Published: Nov. 7, 2023
Corrosion
is
a
challenging
and
potentially
harmful
process
that
involves
the
continuing,
impulsive
deterioration
of
metallic
structures
via
reactions
involving
environmental
components
electro-
or
chemical
processes.
To
inhibit
corrosion,
various
additives
are
added.
Traditional
additives,
on
other
hand,
contain
environmentally
hazardous
substances.
Surfactants
less
expensive,
easier
to
manufacture,
have
high
inhibitory
efficacy
low
toxicity
compared
standard
corrosion
inhibitors.
They
often
employed
as
inhibitors
protect
materials
against
corrosion.
Surfactant
molecules'
amphiphilic
nature
promotes
adsorption
at
surfaces
such
metal/metal
oxide-water
interface.
metals
metal
oxides
forms
barrier
can
prevent
This
review
surfactants
aims
offer
systemic
evaluation
surfactant
physical
properties,
influence
in
inhibition,
used
inhibition
be
enhance
use
variety
environments.
The
effect
several
parameters
potential
suppress
molecule
series
also
discussed
here.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(12), P. 4809 - 4809
Published: June 16, 2023
Many
years
ago,
twelve
principles
were
defined
for
carrying
out
chemical
reactions
and
processes
from
a
green
chemistry
perspective.
It
is
everyone’s
endeavor
to
take
these
points
into
account
as
far
possible
when
developing
new
or
improving
existing
ones.
Especially
in
the
field
of
organic
synthesis,
area
research
has
thus
been
established:
micellar
catalysis.
This
review
article
addresses
question
whether
catalysis
by
applying
reaction
media.
The
shows
that
many
can
be
transferred
an
solvent
medium,
but
surfactant
also
crucial
role
solubilizer.
Thus,
carried
much
more
environmentally
friendly
manner
with
less
risk.
Moreover,
surfactants
are
being
reformulated
their
design,
degradation
add
extra
advantages
match
all
chemistry.
Molecules,
Journal Year:
2021,
Volume and Issue:
26(22), P. 6786 - 6786
Published: Nov. 10, 2021
This
review
focuses
on
key
topics
in
the
field
of
drug
delivery
related
to
design
nanocarriers
answering
biomedicine
criteria,
including
biocompatibility,
biodegradability,
low
toxicity,
and
ability
overcome
biological
barriers.
For
these
reasons,
much
attention
is
paid
amphiphile-based
carriers
composed
natural
building
blocks,
lipids,
their
structural
analogues
synthetic
surfactants
that
are
capable
self-assembly
with
formation
a
variety
supramolecular
aggregates.
The
latter
dynamic
structures
can
be
used
as
nanocontainers
for
hydrophobic
drugs
increase
solubility
bioavailability.
In
this
section,
biodegradable
cationic
bearing
cleavable
fragments
discussed,
ester-
carbamate-containing
analogs,
well
amino
acid
derivatives
received
special
attention.
Drug
through
barriers
challenging
task,
which
highlighted
by
example
transdermal
method
administration.
paper,
nonionic
primarily
application
fabrication
nanocarriers,
surfactant-skin
interactions,
mechanisms
modulating
permeability,
factors
controlling
encapsulation,
release,
targeted
delivery.
Different
types
covered,
niosomes,
transfersomes,
invasomes
chitosomes,
morphological
specificity,
beneficial
characteristics
limitations
discussed.
Applied Sciences,
Journal Year:
2022,
Volume and Issue:
12(5), P. 2391 - 2391
Published: Feb. 25, 2022
The
world
will
face
a
significant
protein
demand
in
the
next
few
decades,
and
due
to
environmental
concerns
linked
animal
protein,
new
sustainable
sources
must
be
found.
In
this
regard,
microalgae
stand
as
an
outstanding
high-quality
source.
However,
different
steps
are
needed
separate
proteins
from
biomass
other
biocompounds.
recovery
disrupted
is
usually
bottleneck
of
process,
it
typically
employs
organic
solvents
or
harsh
conditions,
which
both
detrimental
stability
planet
health.
Different
techniques
methods
applied
for
various
matrices,
such
precipitation,
filtration,
chromatography,
electrophoresis,
solvent
extraction.
Those
reviewed
work,
discussing
their
advantages,
drawbacks,
applicability
biorefinery
process.
Special
attention
paid
extraction
performed
with
ionic
liquids
(ILs)
deep
eutectic
(DESs),
promising
perform
efficient
separations
reduced
costs
compared
classical
alternatives.
Finally,
several
options
analyzed
reuse
employed
isolate
phase.
Journal of Toxicology and Environmental Health,
Journal Year:
2024,
Volume and Issue:
87(8), P. 357 - 370
Published: Feb. 2, 2024
Sodium
dodecylbenzene
sulfonate
(SDBS)
is
an
important
surfactant
used
as
a
cleaning
agent
and
industrial
additive
to
remove
unwanted
chemicals
which
have
been
detected
in
the
aquatic
environment.
The
aim
of
this
study
was
examine
toxicological
potential
SDBS
on
gills
adult
male
zebrafish
(Danio
rerio)
exposed
chemical.
For
96
hr
acute
exposure,
fish
were
divided
into
three
groups:
control,
0.25
mg/L,
0.5
mg/L
SDBS.
After
experiment,
morphophysiological
analyses
(gill
histopathology
histochemistry),
oxidative
stress
(determination
gill
activities
superoxide
dismutase
(SOD)
catalase
(CAT)),
hematological
(leukocyte
differentiation)
conducted.
Data
demonstrated
that
at
both
tested
concentrations
altered
histopathological
index
initiated
circulatory
disturbances,
well
adverse,
progressive,
immunological
changes
gills.
In
group,
SOD
activity
decreased
significantly,
but
CAT
not
altered.
Prominent
blood
observed
group
neutrophilia
lymphocytosis.
number
mucous
chloride
cells
increased
significantly
groups.
Taken
together,
our
findings
exposure
D.
rerio
SDBS,
even
for
hr,
produced
adverse
morphological
effects
associated
with
reduction
activity.
Our
indicate
species
anionic
may
lead
consequences
stress.
Therefore,
highlights
risks
substance
pose
ecosystems
emphasizes
need
further
investigations
strict
regulations
its
disposal.
