Monoamine receptors targeted by methamphetamine differentially modulate basal and fentanyl-depressed respiration in mice
Pharmacology Biochemistry and Behavior,
Journal Year:
2025,
Volume and Issue:
unknown, P. 174004 - 174004
Published: March 1, 2025
Language: Английский
Ultrasensitive Isomer Discrimination: A Joint Surface‐Enhanced Raman Scattering (SERS) Spectroscopy and Machine Learning Strategy
Advanced Sensor Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Abstract
Isomer
discrimination
is
of
paramount
importance
across
various
sectors,
including
pharmaceuticals,
agriculture,
and
the
food
industry,
owing
to
their
unique
physicochemical
characteristics.
Because
extremely
similar
characteristics,
traditional
analytical
methods
fail
or
encounter
severe
limitations
in
isomer
discrimination.
To
overcome
this
grand
challenge,
a
novel
sensing
strategy
proposed
based
on
surface‐enhanced
Raman
scattering
(SERS)
substrates
(i.e.,
plasmonic
platforms)
combined
with
machine
learning
algorithms.
These
platforms
exhibit
exceptional
signal
uniformity
wide
regions
sensitivity,
enabling
structural
isomers
(hydroquinone,
resorcinol,
pyrocatechol),
geometric
((Z/E)‐stilbene,
(Z/E)‐resveratrol),
optical
(R/S‐ibuprofen).
Notably,
for
analysis
isomers,
1‐naphthalenethiol
employed
as
probe
facilitate
specific
orientation
surface
platform
through,
first
time,
π–π
interactions.
The
integration
methodologies,
such
Partial
Least
Squares
Regression
Artificial
Neural
Networks,
significantly
enhances
both
quantitative
classification
accuracy,
achieving
detection
limits
low
2
×
10⁻⁸
m
.
Validation
commercially
available
ibuprofen
samples
shows
excellent
agreement
circular
dichroism
results,
highlighting
method's
robustness
precision.
provides
versatile,
ultrasensitive,
reliable
solution
discrimination,
broad
applications
environmental
monitoring,
clinical
diagnostics.
Language: Английский
Synthetic cannabinoid receptor agonists exacerbate fentanyl-elicited respiratory depression and confer resistance to naloxone rescue in mice
J S James,
No information about this author
Jessica Thrush,
No information about this author
Taher M Yusufali
No information about this author
et al.
Drug and Alcohol Dependence,
Journal Year:
2025,
Volume and Issue:
272, P. 112672 - 112672
Published: April 15, 2025
Language: Английский
Fentanyl Overdose Causes Prolonged Cardiopulmonary Dysregulation in Male SKH1 Mice
Mackenzie Newman,
No information about this author
Heather Connery,
No information about this author
Swapna Kannan
No information about this author
et al.
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(7), P. 941 - 941
Published: July 14, 2024
Fentanyl
overdose
is
a
survivable
condition
that
commonly
resolves
without
chronic
overt
changes
in
phenotype.
While
the
acute
physiological
effects
of
fentanyl
overdose,
such
as
opioid-induced
respiratory
depression
(OIRD)
and
Wooden
Chest
Syndrome,
represent
immediate
risks
lethality,
little
known
about
longer-term
systemic
or
organ-level
impacts
for
survivors.
In
this
study,
we
investigated
single,
bolus
on
components
cardiopulmonary
system
up
to
one
week
post.
SKH1
mice
were
administered
subcutaneous
at
highest
non-lethal
dose
(62
mg/kg),
LD10
(110
LD50
(135
before
euthanasia
40
min,
6
h,
24
7
d
post-exposure.
The
cerebral
cortex,
heart,
lungs,
plasma
assayed
using
an
immune
monitoring
48-plex
panel.
results
showed
significantly
dysregulated
cytokine,
chemokine,
growth
factor
concentrations
compared
time-matched
controls,
principally
hearts,
then
lungs
lesser
extent,
length
with
cortex
largely
unaffected.
Major
significant
analytes
contributing
variance
included
eotaxin-1,
IL-33,
betacellulin,
which
generally
downregulated
across
time.
study
suggest
toxicity
may
persist
from
single
have
wide
implications
endurance
expanding
population
Language: Английский