Frontiers in Nanotechnology,
Journal Year:
2024,
Volume and Issue:
6
Published: Dec. 24, 2024
Surfactants
and
polymers
are
widely
used
as
shape-directing
agents
in
the
synthesis
of
colloidal
plasmonic
nanostars,
consequently
acting
non-negligible
players
all
those
high-performance
applications
which
processes
occur
at
their
interfaces,
such
surface
enhanced
Raman
spectroscopy
(SERS)
plasmon-induced
catalysis.
Therefore,
elucidating
surfactant-
polymer-metal
interactions
is
critical
to
rationally
improving
performance
nanostars
same
range
applications.
In
this
mini-review,
we
present
traditional
state-of-the-art
characterization
methods
that
can
be
investigate
ligand-surface
on
mature
nanostars.
Due
historically
based
limitations
availability
nanostar-specific
literature,
utilize
nanorod
literature
a
starting
point
critically
infer
analytical
approaches
seamlessly
translated
nanostar
systems,
instead
need
adapted
intercept
peculiar
needs
imposed
by
branched
nanoparticle
morphology.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(47)
Published: Oct. 9, 2024
Abstract
The
controlled
growth
of
gold
nanostructures
with
complex
shapes
and
reduced
symmetry,
exemplified
by
chiral
nanorods
nanoparticles,
is
one
the
most
dynamic
fields
nanochemistry.
A
timely
summary
underlying
concepts,
including
mechanisms
redefined
chirality
measures,
would
further
promote
this
research
area.
In
perspective,
we
aim
to
establish
qualitative
connections
between
conditions,
specifically
for
seed‐mediated
synthesis
as
a
convenient
case
morphogenesis.
crystallographic
morphological
features
achiral
used
seeds,
experimental
conditions
during
growth,
symmetry
inducers,
can
all
be
exploited
obtain
intricate
shapes.
Chirality
characterization
(such
electron
tomography
techniques)
quantification
(including
measures)
emerge
critical
aspects
comprehensively
explore
understand
such
structures,
enabling
optimization
their
geometric
optical
features.
We
conclude
discussing
relevant
challenges
addressed
toward
better
plasmonic
nanostructures.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
25(5), P. 2027 - 2033
Published: Jan. 23, 2025
The
structural
and
chemical
properties
of
metal
nanoparticles
are
often
dictated
by
their
interactions
with
molecular
ligand
shells.
These
highly
material-specific
can
vary
significantly
even
among
elements
within
the
same
group
or
materials
similar
crystal
structure.
In
this
study,
we
surveyed
heterogeneous
between
an
m-terphenyl
isocyanide
Au
Ag
(NPs)
at
single-molecule
limit.
Specifically,
found
that
ligation
behavior
molecule
differs
AgNPs.
Surface-enhanced
Raman
spectroscopy
measurements
revealed
unique
enhancement
factors
for
two
vibrational
modes
surfaces,
indicating
different
binding
geometries.
Molecular-level
characterization
using
scanning
tunneling
microscopy
allowed
us
to
directly
visualize
these
variations
which
assign
as
distinct
mechanisms.
This
molecular-scale
visualization
provides
clear
insights
into
ligand–metal
well
spectroscopic
characteristics
isocyanide-functionalized
NPs.
Coating
biological
membranes
onto
biomimetic
nanocarriers
improves
biocompatibility,
prolongs
circulation,
and
enhances
targeted
delivery
for
cancer
precision
medicine.
To
better
understand
the
biodistribution
profiles
of
these
nanosystems,
molecular
imaging
techniques,
including
optical
imaging,
radionuclide
magnetic
resonance
ultrasound
have
been
widely
employed
in
vivo
tracking
dynamic
imaging.
Here
this
review,
we
delve
into
profound
role
modalities
visualizing
changes
tumor
microenvironment,
particularly
monitoring
oxygen
consumption
immune
response
dynamics,
highlighting
their
potential
to
improve
therapies.
We
also
briefly
discuss
current
applications
synergistic
therapies
future
perspectives.
Finally,
offer
insights
integrating
nanomedicine
with
clinical
translation.
Journal of Chemical Information and Modeling,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
The
unique
properties
of
gold
nanorods
(AuNRs),
combined
with
their
relatively
straightforward
production,
good
yields,
and
satisfactory
control
over
size
shape,
have
sparked
considerable
interest
in
potential
applications.
However,
the
mechanism
behind
these
particles'
formation
continues
to
be
a
subject
significant
debate.
Many
experimental
studies
been
designed
undertaken
understand
how
AuNRs
can
produced
through
seed-mediated
methods.
In
recent
years,
quantum
mechanics
molecular
dynamics
simulations
added
repertoire
tools
for
investigating
this
topic.
By
comparing
data,
essential
aspects
anisotropic
growth
revealed.
This
review
presents
an
overview
mechanisms
proposed
creating
methods,
grounded
both
simulation
studies,
also
highlights
some
remaining
gaps
our
understanding
process
that
need
further
exploration.
Review
Quantification
of
Nanomaterial
Surfaces
Harshit
Kumar
and
Mingdi
Yan
*
Department
Chemistry,
University
Massachusetts
Lowell,
1
Avenue,
MA
01854,
USA
Correspondence:
[email protected]
Received:
24
February
2025;
Revised:
3
March
Accepted:
5
Published:
10
2025
Abstract:
nanomaterial
surfaces
is
critical
in
the
design
nanomaterials
with
predictable
tailored
functions.
Nanomaterials
exhibit
unique
surface
properties,
such
as
high
surface-to-volume
ratios
tunable
chemistry,
which
govern
their
stability,
reactivity,
functions
a
wide
range
applications
including
catalysis,
drug
delivery,
bioimaging,
environmental
remediation.
However,
quantitative
analysis
challenging
due
to
inherent
heterogeneity,
affects
structure,
ligand
density
presentation.
This
mini
review
discusses
several
important
aspects
quantification,
density,
functional
groups,
reactions.
Traditional
analytical
methods,
nuclear
magnetic
resonance
(NMR)
spectroscopy,
mass
spectrometry
(MS),
UV-vis
well
emerging
techniques
that
offer
higher
spatial
resolution
sensitivity
are
discussed,
examples
given.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
This
study
explores
the
critical
role
of
nonpolar
ligand-solvent
systems
in
modulating
interparticle
interactions
colloidal
nanocrystals,
profoundly
affecting
stability
and
enabling
precision
self-assembly.
A
library
28
ligands
with
diverse
molecular
fragments─double
bonds,
branched
chains,
benzene
rings,
naphthalene
rings─and
four
solvents
was
developed
to
investigate
how
fragment
types
positions
affect
ligand
ordering
attraction.
Explicit
solvent
simulations
enhanced
sampling
techniques
reveal
that
fragments
near
headgroup
or
midsection
disrupt
weaken
attraction,
whereas
terminal
placement
fosters
ordered
packing
enhances
Simulation
predictions
on
relationship
between
structures
were
validated
through
self-assembly
experiments
using
nanocrystals
passivated
by
six
representative
ligands.
Furthermore,
potential
control
demonstrated
tuning
types,
positions,
combinations,
sizes.
work
deepens
understanding
dynamics
provides
a
theoretical
framework
for
molecular-level
design
nanocrystal
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 29, 2025
Transmission
electron
microscopy
(TEM)
is
well-known
for
performing
in
situ
studies
the
nanoscale.
Hence,
scientists
took
this
opportunity
to
explore
subtle
processes
occurring
living
organisms.
Nevertheless,
such
observations
are
complex─they
require
delicate
samples
kept
liquid
phase,
low
dose,
and
proper
cell
viability
verification
methods.
Despite
being
highly
demanding,
so-called
"live-cell"
experiments
have
seen
some
degree
of
success.
The
presented
review
consists
an
exhaustive
literature
on
reported
associated
subjects,
including
phase
imaging,
radiation
interactions
with
liquids,
methods
testing.
challenges
modern,
reliable
research
organisms
widely
explained
discussed,
future
perspectives
developing
these
techniques
presented.
Cureus,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 14, 2024
From
the
perspective
of
fascial
manual
medicine
(FMM),
body
should
not
be
considered
as
a
set
compartments,
but
functional
continuum,
where
most
tissues
(considering
embryology)
are
fascia.
The
cells
that
make
up
fascia
can
use
multiple
strategies
to
communicate,
with
neighboring
cells,
tissue
which
they
belong,
and
entire
body,
thanks
biochemical
(microscopy)
electromagnetic
(nanoscopy)
possibilities.
These
capacities
send
receive
information
border
or
layer
different
seem
absent.
All
techniques
profess
only
ones
work
on
patient's
symptoms,
dictating
standardized
procedure
all
patients
undergo,
represent
clinical
deviation.
Likewise,
thinking
approach
provide
biomechanical
stimuli
single
specific
structure
is
conceptual
error.
This
narrative
review
briefly
reviews
history
fascial-related
nomenclature
how
system
currently
considered,
posing
new
reflections
continuum
could
conceived
by
practitioners
who
apply
FMM
in
clinic,
such
osteopaths,
chiropractors,
physiotherapists.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
19(1), P. 120 - 151
Published: Dec. 26, 2024
Characterizing
the
structures,
interactions,
and
dynamics
of
molecules
in
their
native
liquid
state
is
a
long-existing
challenge
chemistry,
molecular
science,
biophysics
with
profound
scientific
significance.
Advanced
transmission
electron
microscopy
(TEM)-based
imaging
techniques
use
graphene
emerged
as
promising
tools,
mainly
due
to
performance
on
spatial
temporal
resolution.
This
review
focuses
various
approaches
achieving
high-resolution
individual
transient
interactions.
We
highlight
crucial
role
grids
cryogenic
for
Ångstrom-level
resolution
resolving
structures
importance
cells
liquid-phase
TEM
directly
observing
subnanometer
at
frame
rate
several
frames
per
second,
well
cross-talks
two
modes.
To
understand
chemistry
physics
encoded
these
movies,
incorporating
machine
learning
algorithms
image
analysis
provides
approach
that
further
bolsters
adventure.
Besides
reviewing
recent
advances
methodologies
using
graphene,
this
also
outlines
future
directions
improve
envision
problems
biology
could
benefit
from
experiments.