ChemCatChem,
Год журнала:
2021,
Номер
13(20), С. 4442 - 4452
Опубликована: Авг. 17, 2021
Abstract
An
eco‐friendly
strategy
for
the
synthesis
of
highly
ordered
meso‐
and
microporous
zeolites
is
required
both
in
academia
industry.
Therefore,
asymmetrical
anionic‐nonionic
gemini
surfactants,
polyoxyethylene
laurinol
ether
sodium
sulfoitaconate
(Gemini‐
n
),
have
been
designed,
synthesized
used
directed
hierarchical
ZSM‐5
(HZSM‐5)
by
imparting
substantial
mesoporosity.
The
hydrothermal
temperature,
amount
surfactants
crystallization
time
strongly
affected
degree
textural
properties
HZSM‐5.
tune
porous
size
distribution
(microporous
to
mesoporous)
can
be
obtained
varying
number
ethylene
oxide
units
surfactants.
Besides,
use
these
novel
an
effective
avoid
phase‐separation.
existence
abundant
hydroxyl
groups
on
surface
HZSM‐5
was
immobilize
molybdenum
compound
stable
Mo−O
bond.
complex
with
intercrystal
mesopores
exhibited
superior
catalytic
performance
high
yield
selectivity
epoxidation
reactions
alkenes
as
compared
conventional
ZSM‐5.
Moreover,
presented
ability
after
reused
five
times.
Molecules,
Год журнала:
2021,
Номер
26(13), С. 3967 - 3967
Опубликована: Июнь 29, 2021
Cultural
Heritage
is
a
crucial
socioeconomic
resource;
yet,
recurring
degradation
processes
endanger
its
preservation.
Serendipitous
approaches
in
restoration
practice
need
to
be
replaced
by
systematically
addressing
conservation
issues
through
the
development
of
advanced
materials
for
preservation
artifacts.
In
last
few
decades,
and
colloid
science
have
provided
valid
solutions
counteract
degradation,
we
report
here
main
highlights
formulation
application
methodologies
cleaning,
protection
consolidation
works
art.
Several
types
artifacts
are
addressed,
from
murals
canvas
paintings,
metal
objects,
paper
artworks,
comprising
both
classic
modern/contemporary
Systems,
such
as
nanoparticles,
gels,
nanostructured
cleaning
fluids,
composites,
other
functional
materials,
reviewed.
Future
perspectives
also
commented,
outlining
open
trends
this
challenging
exciting
field.
Science China Technological Sciences,
Год журнала:
2023,
Номер
66(8), С. 2162 - 2182
Опубликована: Май 12, 2023
Abstract
Cultural
heritage
assets
constitute
a
fundamental
socioeconomic
resource,
but
the
actual
works
of
art
need
to
be
maintained,
counteracting
degradation
processes,
transfer
these
benefits
future
generations.
In
particular,
removal
soil,
aged
coatings,
and
vandalism/overpaints
is
one
most
needed
interventions
in
restoration.
Traditional
cleaning
methodologies,
based
on
classical
solution
polymer
chemistry,
only
grant
limited
control
interventions,
with
risk
affecting
original
components
artifacts,
often
involving
use
toxic
or
non-environmentally
friendly
compounds.
Alternatively,
materials
science,
colloids,
soft
matter
have
provided
valuable
safe
solutions
last
decades.
This
review
provides
selection
recent
advanced
methodologies
for
wet
art,
spanning
from
nanostructured
fluids
(microemulsions,
surfactants
swollen
micelles)
physical
chemical
gels.
The
new
work
different
physico-chemical
mechanisms,
such
as
processes
detaching/dewetting,
selectively
remove
unwanted
layers
sustainable
cost-effective
interventions.
best
performing
systems,
like
microemulsions
confined
“twin-chain”
polyvinyl
alcohol
gels,
been
assessed
masterpieces
by
Pablo
Picasso,
Jackson
Pollock
Roy
Lichtenstein.
Particular
attention
dedicated
“green”
chemistry
using
low-toxicity
solvents
bio-based/waste
build
gel
networks.
Finally,
current
trends
perspectives
are
given,
showing
that
systems
link
transversal
fields
crucial
importance
even
beyond
conservation,
e.g.,
detergency,
tissue
engineering,
drug-delivery,
food
industry
cosmetics.
Molecules,
Год журнала:
2021,
Номер
26(22), С. 6786 - 6786
Опубликована: Ноя. 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.
Chemistry - A European Journal,
Год журнала:
2021,
Номер
27(42), С. 10798 - 10806
Опубликована: Май 20, 2021
Abstract
Colloid
science
is
contributing
solutions
to
counteract
the
degradation
of
artifacts,
favoring
their
transfer
future
generations.
Advanced
materials
such
as
nanoparticles,
coatings,
gels
and
microemulsions
have
been
assessed
in
conservation,
spanning
from
archeological
sites
modern
contemporary
art.
We
give
an
overview
fundamental
milestones
latest
innovations
conservation
science,
targeting
tools
for
remedial
based
on
green
nanomaterials
hybrid
systems.
Future
perspectives
outstanding
challenges
this
exciting
field
are
then
outlined.
Nanoscale Horizons,
Год журнала:
2024,
Номер
9(4), С. 566 - 579
Опубликована: Янв. 1, 2024
Hydrogels
based
on
sustainable
polymers
and
tailored
for
specific
applications
in
Cultural
Heritage
conservation
are
presented.
The
system
cleaning
ability
increases
with
the
network
tortuosity
(water-soluble
components)
gel
surface
roughness
(soil/particulate
matter).
Langmuir,
Год журнала:
2019,
Номер
35(8), С. 3116 - 3125
Опубликована: Фев. 13, 2019
A
series
of
novel
anionic
e-surfactants
n-C
cP
pS
was
molecular
designed
and
synthesized
from
long-chain
fatty
alcohols
by
polypropoxylation
sulfation
followed
neutralization.
Excellent
all-round
performance
extended
surfactants
(e-surfactants)
interests
us
how
a
simple
polypropylene
oxide
(PPO)
spacer
has
great
effects
on
properties.
By
comparative
study
conventional/ethoxylated/extended
n-alkylsulfate
surfactants,
we
were
surprised
to
find
that
are
in
an
obvious
rugby
shape
at
the
air/water
surface
according
area
(
am),
it
comes
down
intramolecular
PPO
coiling
surface-induced
collapse.
On
basis
interfacial
properties
e-surfactants,
is
found
can
provide
both
hydrophilic
lipophilic
contributions
e-surfactant
molecule.
The
synergism
between
spacers
alkyl
chains
indicates
certain
adjust
view
different
chain
lengths.
Therefore,
rugby-shaped
geometry
dynamic
amphipathicity
makes
behave
with
excellent
solution
for
household
cleaning.
this
work
gives
hint
plays
vital
role
similar
amphipathicity.
