The Journal of Physical Chemistry Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 3106 - 3121
Published: March 18, 2025
This
perspective
highlights
the
essential
physicochemical
factors
required
for
accurate
computational
modeling
of
Raman
and
Resonance
signals
in
complex
environments.
It
theoretical
challenges
obtaining
a
balanced
quantum
mechanical
description
molecular
target,
integration
target-environment
interactions
into
Hamiltonian,
explicit
treatment
strong
such
as
hydrogen
bonding.
The
dynamical
sampling
solute–solvent
phase
space
incorporation
plasmonic
effects
Surface-Enhanced
Scattering
(SERS)
are
also
addressed.
Through
selected
applications,
we
illustrate
how
these
influence
propose
framework
to
tackle
effectively,
advancing
reliability
spectroscopy
real-world
scenarios.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(17), P. 6794 - 6801
Published: April 16, 2024
Identification
of
protein
profiling
on
plasma
exosomes
by
SERS
can
be
a
promising
strategy
for
early
cancer
diagnosis.
However,
it
is
still
challenging
to
detect
multiple
exosomal
proteins
simultaneously
since
the
Raman
signals
detected
conventional
colloidal
nanocrystals
or
two-dimensional
substrates
are
incomplete
and
complex.
Herein,
we
develop
novel
three-dimensional
(3D)
surround-enhancing
platform,
named
3D
se-SERS,
multiplex
detection
proteins.
In
this
covered
with
"hotspots"
generated
gold
nanoparticles,
which
surround
analytes
densely
three-dimensionally,
providing
sensitive
comprehensive
signals.
Combining
se-SERS
deep
learning
model,
successfully
quantitatively
profiled
seven
including
CD63,
CD81,
CD9,
CD151,
CD171,
TSPAN8,
PD-L1
surface
from
patients,
predict
occurrence
advancement
lung
cancer.
This
integrating
technique
benefits
high
sensitivity
significant
multiplexing
ability
analysis
exosomes,
demonstrating
potential
learning-driven
technology
exosome-based
Frontiers in Chemistry,
Journal Year:
2022,
Volume and Issue:
10
Published: June 22, 2022
The
first
member
and
eponym
of
the
rhodopsin
family
was
identified
in
1930s
as
visual
pigment
rod
photoreceptor
cell
animal
retina.
It
found
to
be
a
membrane
protein,
owing
its
photosensitivity
presence
covalently
bound
chromophoric
group.
This
group,
derived
from
vitamin
A,
appropriately
dubbed
retinal.
In
1970s
microbial
counterpart
this
species
discovered
an
archaeon,
being
protein
also
harbouring
retinal
chromophore,
named
bacteriorhodopsin.
Since
their
discovery
photogenic
panorama
unfolded,
where
up
date
new
members
subspecies
with
variety
light-driven
functionality
have
been
added
family.
branch,
meanwhile
categorized
type-2
rhodopsins,
turned
out
form
large
subclass
superfamily
G
protein-coupled
receptors
are
essential
multiple
elements
light-dependent
sensory
physiology.
type-1
largely
function
ion
pumps
or
channels,
but
contain
sensory-active
enzyme-sustaining
subspecies.
review
we
will
follow
development
exciting
representative
number
highlights
present
prospect
extraordinary
future
potential.
Nano Letters,
Journal Year:
2023,
Volume and Issue:
23(17), P. 8363 - 8369
Published: Aug. 23, 2023
The
crosstalk
between
mitochondria
and
endoplasmic
reticula
plays
a
crucial
role
in
apoptotic
pathways
which
reactive
oxygen
species
(ROS)
produced
by
microsomal
monooxygenase
(MMO)
are
believed
to
accelerate
cytochrome
c
release.
Herein,
we
successfully
demonstrate
the
potential
of
surface-enhanced
resonance
Raman
spectroscopy
(SERRS)
for
monitoring
MMO-derived
ROS
formation
ROS-mediated
Silver
nanoparticles
coated
with
nickel
shells
used
as
both
signal
enhancers
electron
donors
c.
SERRS
is
found
be
sensitive
ROS,
allowing
situ
probing
cell
death
inducer.
Label-free
evaluation
ROS-induced
apoptosis
achieved
SERRS-based
release
living
cells.
This
study
verifies
capability
label-free,
situ,
real-time
mitochondria–endoplasmic
reticulum
provides
novel
strategy
rational
design
screening
ROS-inducing
drugs
cancer
treatment.
Redox Biology,
Journal Year:
2022,
Volume and Issue:
53, P. 102340 - 102340
Published: May 17, 2022
Generation
of
reactive
oxygen
species
(ROS)
are
possibly
induced
by
the
crosstalk
between
mitochondria
and
endoplasmic
reticula,
which
is
physiologically
important
in
apoptosis.
Cytochrome
c
(Cyt
c)
believed
to
play
a
crucial
role
such
signaling
pathway
interrupting
coupling
within
microsomal
monooxygenase
(MMO).
In
this
study,
correlation
ROS
production
with
electron
transfer
Cyt
MMO
system
investigated
resonance
Raman
(RR)
spectroscopy.
Binding
found
induce
ROS,
quantitatively
determined
in-situ
RR
spectroscopy
reflecting
interactions
generated
ROS.
The
amount
that
produced
from
isolated
reticulum
depends
on
redox
state
c,
indicating
oxidized
accelerating
apoptotic
mitochondria-endoplasmic
accordingly
proposed.
This
study
significance
for
deeper
understanding
how
regulates
pathways
through
reticulum,
thus
may
provide
rational
basis
design
antitumor
drugs
cancer
therapy.
ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(30), P. 27355 - 27365
Published: July 20, 2023
Electrons
can
tunnel
between
cofactor
molecules
positioned
along
biological
electron
transport
chains
up
to
a
distance
of
≃
20
Å
on
the
millisecond
time
scale
enzymatic
turnover.
This
tunneling
range
determines
design
energy
facilitating
cross-membrane
electrons.
Tunneling
and
cofactors'
redox
potentials
become
main
physical
parameters
affecting
rate
transport.
In
addition,
universal
charge-transport
properties
are
assigned
all
proteins,
making
protein
identity,
flexibility,
dynamics
insignificant.
paradigm
is
challenged
by
dynamical
models
transfer,
showing
that
hopping
constant
within
crossover
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(15), P. 11991 - 11991
Published: July 26, 2023
The
versatile
functions
of
fluorescent
proteins
(FPs)
as
fluorescence
biomarkers
depend
on
their
intrinsic
chromophores
interacting
with
the
protein
environment.
Besides
X-ray
crystallography,
vibrational
spectroscopy
represents
a
highly
valuable
tool
for
characterizing
chromophore
structure
and
revealing
roles
chromophore-environment
interactions.
In
this
work,
we
aim
to
benchmark
ground-state
signatures
series
FPs
emission
colors
spanning
from
green,
yellow,
orange,
red,
well
solvated
model
some
these
FPs,
using
wavelength-tunable
femtosecond
stimulated
Raman
(FSRS)
in
conjunction
quantum
calculations.
We
systematically
analyzed
discussed
four
factors
underlying
properties
FP
chromophores:
sidechain
structure,
conjugation
conformation,
A
prominent
bond-stretching
mode
characteristic
quinoidal
resonance
is
found
be
conserved
most
investigated,
which
can
used
marker
interpret
interactions
structural
effects
electronic
chromophore.
fundamental
insights
gained
light-sensing
units
(e.g.,
active
sites)
substantiate
unique
powerful
capability
FSRS
delineating
high
sensitivity
resolution
solution
matrices.
comprehensive
characterization
various
across
colorful
palette
could
also
serve
solid
foundation
future
spectroscopic
studies
rational
engineering
diverse
improved
functions.
ChemCatChem,
Journal Year:
2023,
Volume and Issue:
16(1)
Published: Nov. 9, 2023
Abstract
The
rapid
development
of
photo(redox)
catalysis
within
the
last
decades
is
remarkable
to
extent
that
utilization
light‐driven
processes
in
organic
chemistry
has
become
a
credible
alternative
current
thermal
processes.
Such
advances
offer
tremendous
opportunities
collaborations
between
scientific
realms
can
have
drastic
impact
on
field.
In
this
concept
article,
special
emphasis
placed
spectroscopic
techniques
are
used,
or
could
be
for
light‐induced
transformations
and
photoredox
applications.
These
include
spectroelectrochemistry,
UV‐VIS,
IR
X‐Ray
transient
absorption
spectroscopy,
laser
pulsed
radiolysis
(PR),
photo‐induced
chemically
induced
dynamic
nuclear
polarization
(Photo‐CIDNP),
photoacoustic
time‐resolved
Raman
spectroscopy
(TRRS),
Electron
Paramagnetic
Resonance
(TREPR)
dielectric
loss
(TRDL).
theoretical
background
behind
each
technique
briefly
introduced
followed
by
selected
relevant
examples
from
literature.
