Materials,
Год журнала:
2024,
Номер
17(5), С. 1051 - 1051
Опубликована: Фев. 24, 2024
Particle
assembly
is
a
promising
technique
to
create
functional
materials
and
devices
from
nanoscale
building
blocks.
However,
the
control
of
particle
arrangement
orientation
challenging
requires
careful
design
methods
conditions.
In
this
study,
static
dynamic
are
reviewed,
focusing
on
their
applications
in
biomaterial
sciences.
Static
rely
equilibrium
interactions
between
particles
substrates,
such
as
electrostatic,
magnetic,
or
capillary
forces.
Dynamic
can
be
associated
with
application
external
stimuli,
electric
fields,
magnetic
light,
sound,
manipulate
non-equilibrium
state.
This
study
discusses
advantages
limitations
well
nanoarchitectonic
principles
that
guide
formation
desired
structures
functions.
It
also
highlights
some
examples
biomaterials
have
been
fabricated
by
assembly,
biosensors,
drug
delivery
systems,
tissue
engineering
scaffolds,
artificial
organs.
concludes
outlining
future
challenges
opportunities
for
review
stands
crucial
scholars
professionals
field,
fostering
further
investigation
innovation.
necessity
continuous
research
refine
these
methodologies
devise
more
efficient
techniques
nanomaterial
synthesis.
The
potential
ramifications
healthcare
technology
substantial,
implications
diagnostic
tools,
disease
treatments,
energy
storage,
environmental
science,
electronics.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2022,
Номер
10(50), С. 16503 - 16515
Опубликована: Дек. 7, 2022
Low-molecular-weight
(LMW)
molecules
of
biological
origin
like
microbial
glycolipid
biosurfactants
can
self-assemble
in
water,
with
a
tunable
structure
by
soft
chemistry
approach
(pH,
temperature,
and
ionic
strength).
The
unique
molecular
glycolipids
gives
possible
access
to
wide
variety
aqueous
self-assembled
structures,
although
highly
unpredictable
beforehand.
presented
here
consists
glucose
group
linked
C18:1-cis
fatty
acid
(G-C18:1)
produced
the
fermentation
Starmerella
bombicola
ΔugtB1.
Due
carboxylic
acid,
supramolecular
self-assembly
is
pH
dependent.
In
range
5–7,
G-C18:1
forms
vesicles,
while
above
7,
it
micellar
phase.
Adding
metal
salts
(ion
radius
ascending
order:
Al3+,
Fe3+,
Ni2+,
Mg2+,
Cu2+,
Zn2+,
Co2+,
Fe2+,
Cr2+,
Mn2+,
Au3+,
Ca2+,
Ag+,
Sr2+,
Ba2+),
vesicle
phase
generally
precipitates.
Metal
complex
speciation
(Al3+,
Fe2+)
added
drive
formation
wormlike
gels,
often
observed
for
surfactants
water.
On
contrary,
free
ions
(Cr2+,
Ag+)
same
unexpectedly
hydrogels
fibrillar
structure,
amphiphiles
(peptides,
peptide-derivatives)
but
not
surfactants.
Oscillatory
rheology
shows
that
elastic
properties
vary
between
few
tens
Pa
up
5
kPa
given
glucolipid
concentration
(3
wt
%).
This
work
hence
first
example
preparing
metallogels
from
Journal of Agricultural and Food Chemistry,
Год журнала:
2023,
Номер
71(6), С. 2964 - 2974
Опубликована: Фев. 1, 2023
This
investigation
developed
a
novel
strategy
for
efficiently
preparing
glucolipids
(GLs)
by
chemically
modifying
crude
sophorolipids.
Running
this
strategy,
sophorolipids
were
effectively
transformed
into
GLs
through
deglycosylation
and
de-esterification,
with
yield
of
54.1%.
The
acquired
then
purified
via
stepwise
extractions,
66.2%
95%
purity
was
recovered.
are
more
hydrophobic
present
stronger
surface
activity
than
acidic
(ASLs).
More
importantly,
these
displayed
superior
antimicrobial
to
that
ASLs
against
the
tested
Gram-positive
food
pathogens,
minimum
inhibitory
concentration
32-64
mg/L,
except
E.
coli
.
is
pH-dependent
especially
powerful
under
conditions.
mechanism
involved
possibly
associated
efficient
adsorption
GLs,
as
demonstrated
hydrophobicity
cell
membrane.
These
could
be
used
agents
preservation
health
in
industry.
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
22(27), С. 5470 - 5510
Опубликована: Янв. 1, 2024
The
synthesis
of
carbohydrate-derived
self-assembling
systems
and
the
properties
resulting
stimulus-responsive
materials
via
bottom-up
approaches
are
reviewed.
Soft Matter,
Год журнала:
2022,
Номер
19(3), С. 378 - 393
Опубликована: Дек. 23, 2022
Low-molecular
weight
gelators
(LMWGs)
are
small
molecules
(Mw
<
∼1
kDa),
which
form
self-assembled
fibrillar
network
(SAFiN)
hydrogels
in
water
when
triggered
by
an
external
stimulus.
A
great
majority
of
SAFiN
gels
involve
entangled
fibers,
analogy
to
a
polymer
good
solvent.
In
some
rare
cases,
combination
attractive
van
der
Waals
and
repulsive
electrostatic
forces
drives
the
formation
bundles
with
suprafibrillar
hexagonal
order.
this
work,
unexpected
micelle-to-fiber
transition
is
Ca2+
or
Ag+
ions
added
micellar
solution
novel
glycolipid
surfactant,
whereas
salt-induced
fibrillation
not
common
for
surfactants.
The
resulting
SAFiN,
forms
hydrogel
above
0.5
wt%,
has
"nano-fishnet"
structure,
characterized
fibrous
both
fibers
β-sheet-like
rafts,
generally
observed
silk
fibroin,
actin
mineral
imogolite
nanotubes,
but
known
SAFiNs.
raft
domains
cryo-TEM
SAXS
seem
contribute
stability
gels.
Furthermore,
obtained
fermentation
from
natural
resources
(glucose,
rapeseed
oil),
thus
showing
that
naturally
engineered
compounds
can
have
unprecedented
properties,
compared
wide
range
chemically
derived
amphiphiles.
Current Opinion in Colloid & Interface Science,
Год журнала:
2023,
Номер
68, С. 101746 - 101746
Опубликована: Окт. 30, 2023
Synergies
between
surfactants
and
proteins
are
found
everywhere
in
everyday
life.
Beneficial
interactions
exploited
fields
such
as
food
processing,
pharmaceutical
production,
laundry,
leading
to
better
products
lower
energy
consumption.
Nevertheless,
there
is
still
room
for
improvement
regarding
sustainability.
Here,
biosurfactants
(BS)
an
attractive
alternative
petrochemical
surfactants.
Insights
into
BS-protein
can
help
replacing
traditional
with
BS
uncover
new
opportunities.
we
review
recent
work
on
proteins'
BS,
focus
the
self-assembly
of
protein:BS
complexes
BS'
effects
enzymatic
activity.
Generally,
milder
than
those
ionic
surfactants,
modest
protein
structure
self-assembly,
while
inhibition
generally
observed
above
critical
micelle
concentration.
Mild
show
promise
forming
functional
proteins,
however,
further
studies
required
understand
minimize
detrimental
that
do
occur.
