Spectroscopy Journal,
Journal Year:
2024,
Volume and Issue:
2(3), P. 105 - 122
Published: July 3, 2024
A
hand-held
NIR
spectrophotometric
method
was
developed,
validated,
and
applied
for
the
determination
of
tadalafil
in
tablets.
The
aim
our
work
to
develop
analytical
methods
based
on
vibrational
techniques
using
low-cost
portable
equipment.
Based
different
chemometric
modeling,
we
attempted
validate
method,
which
gave
encouraging
results
from
principal
component
analysis
(PCA),
DD-SIMCA,
PLS
modeling.
Following
this,
optimized
an
appropriate
experiment
plan.
For
validation,
used
total
error
approach
with
acceptance
limits
set
at
±10%
a
risk
level
5%.
showed
that
it
possible
perform
both
qualitative
quantitative
pharmaceutical
products
systems
tools.
developed
enabled
completion
first
step
implementing
quality
control
tadalafil-based
drugs
DRC.
Validation
difficulties
resulted
lack
information
about
inter-day
serial
variations
spectral
responses.
It
would
be
interesting
extend
study
larger
calibration
interval
order
correct
uncertainties
may
result
variability
observed
under
conditions
verify
robustness.
These
are
limitations
this
work,
but
nevertheless
very
encouraging.
BMC Chemistry,
Journal Year:
2025,
Volume and Issue:
19(1)
Published: April 15, 2025
The
recent
approval
of
the
nasal
spray
combination
mometasone
(MOM)
and
olopatadine
(OLO)
presents
a
significant
analytical
challenge,
as
only
single
reported
method
exists
for
its
determination,
deviating
from
eco-friendly
practices.
This
study
addresses
this
critical
gap
by
pioneering
application
machine
learning
techniques
to
develop
robust
UV
spectrophotometric
approach
simultaneous
quantification
MOM
OLO,
along
with
two
genotoxic
impurities:
4-dimethylamino
pyridine
(DAP)
methyl
para-toluene
sulfonate
(MTS).
By
simultaneously
determining
these
highly
concerning
impurities
active
pharmaceutical
ingredients,
underscores
paramount
significance
in
upholding
rigorous
quality
standards
safeguarding
patient
safety.
Applying
multilevel-multifactor
experimental
design,
calibration
set
was
meticulously
chosen
at
five
different
concentrations,
yielding
25
mixtures
central
levels
4,
46.5,
2.5,
3
µg/mL
MOM,
OLA,
MTS,
DAP,
respectively.
key
innovation
lies
strategic
implementation
Kennard-Stone
Clustering
Algorithm
create
validation
thirteen
mixtures,
resolving
limitations
chemometric
methods'
random
data
splitting.
ensures
unbiased
evaluation
across
full
concentration
space,
improving
method's
reliability
sustainability.
robustness
rigorously
tested
using
distinct
models:
principal
component
regression,
classical
least
squares,
partial
genetic
algorithm-partial
multivariate
curve
resolution-alternating
demonstrating
broad
applicability
diverse
modeling
techniques.
All
models
successfully
determined
all
components
excellent
recovery,
low
bias-corrected
prediction,
adequate
limits
detection.
Greenness
Index
Spider
Charts
Green
Solvents
Selection
Tool
were
used
choose
environmentally
conscious
solvents.
A
comprehensive
sustainability
assessment
employed
six
state-of-the-art
tools,
including
national
environmental
index,
complementary
green
procedure
greenness
metric,
blue
grade
carbon
footprint
analysis,
red-green-blue
12
metrics.
Favorable
results
metrics
affirmed
eco-friendliness,
real-world
applicability,
cost-effectiveness,
supporting
sustainable
development
goals
control
processes.
Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(3), P. 290 - 290
Published: Feb. 20, 2025
Objectives:
This
study
aimed
to
develop
hesperidin
solid
lipid
nanoparticles
(HESP-SLNs)
enhance
their
stability,
solubility,
and
sustained
release
for
wound
healing;
further
enhancement
was
achieved
through
prepared
nanostructured
carriers
(HESP-NLCs)
using
Tea
Tree
Oil
(TTO)
explore
synergistic
efficacy.
Methods:
A
factorial
design
of
24
trials
established
evaluate
the
influence
type
(X1),
conc
(%)
(X2),
surfactant
(X3),
sonication
amplitude
(X4)
HESP-SLNs
on
particle
size
(nm)
(Y1),
polydispersibility
index
(Y2),
zeta
potential
(Y3),
encapsulation
efficiency
(Y4).
The
optimized
formula
selected
utilizing
Design
Expert®
software
version
13,
which
additionally
enhanced
by
preparing
TTO-loaded
HESP-NLCs.
In
vitro
release,
Raman
spectroscopy,
transmission
electron
microscopy
were
carried
out
both
nanoparticles.
Cytotoxicity,
in
vivo
wound-healing
assessments,
skin
irritancy
tests
performed
performance
TTO-incorporated
HESP-NLCs
compared
HESP-SLNs.
Results:
demonstrated
PS
(280
±
1.35
nm),
ZP
(−39.4
0.92
mV),
PDI
(0.239
0.012),
EE%
(88.2
2.09%).
NLCs
Q6%
(95.14%)
vs.
(79.69%),
SLNs
showed
superior
antimicrobial
Both
exhibited
spherical
morphology
compatibility
between
HESP
excipients.
highest
closure
percentage,
supported
histological
analysis
inflammatory
biomarker
outcomes.
Cytotoxicity
evaluation
87%
cell
viability
untreated
HSF
cells,
test
confirmed
safety
NLCs.
Conclusions:
are
promising
candidates
exhibiting
capabilities,
making
them
a
therapeutic
option
cutaneous
management.
BioChip Journal,
Journal Year:
2024,
Volume and Issue:
18(2), P. 257 - 274
Published: March 8, 2024
Abstract
Veterinary
drug
residues
in
food
have
emerged
as
an
urgent
threat
to
consumer
safety.
Herein,
we
present
the
first
square
wave
voltammetric
method
for
trace-level
detection
of
cinnarizine
residues,
a
recently
used
antischistosomal
drug,
bovine
samples.
The
depends
on
electrochemical
oxidation
after
modification
carbon
paste
sensor
with
recycled
Al
2
O
3
-NPs
functionalized
multi-walled
nanoparticles.
produced
(Al
-NPs/
MWCNTs/CPE)
was
characterized
using
transmission
electron
microscope,
scanning
Fourier-transform
infrared
spectroscopy,
energy-dispersive
spectrometer,
and
X-ray
diffractometer
that
confirm
successful
incorporation
-NPs/MWCNTs
composite
into
modified
electrode.
As
expected,
active
surface
area
transfer
processes
were
accelerated
by
modification,
which
evidenced
cyclic
voltammetry,
chronoamperometric
studies,
scan
rate
impedance
spectroscopy.
Compared
previous
techniques,
this
facile
demonstrated
enhancements
across
critical
analytical
criteria
including
limit
0.17
nM,
linear
response
5–100
nM
(
r
=
0.998),
accuracy
ranging
from
96.5
103.2%,
precision
below
0.81%
relative
standard
deviation,
reproducibility
within
0.36%
range,
20
s
time
applicability
spiked
matrices.
In
addition,
five
different
greenness
whiteness
tools
quantified
exceptional
environmental
friendliness,
economic
feasibility
waste
reduction
63%–93%,
reaffirming
alignment
sustainability
paradigms.
These
advantages
support
practical
adoption
quality
control
especially
laboratories
lacking
expensive
instrumentation.
Overall,
ingenious
reconciles
nanotechnology
innovation
circular
economy
ethos
tackle
safety
challenge,
guided
holistically
metrics.
Journal of Chemical Research,
Journal Year:
2023,
Volume and Issue:
47(5)
Published: Sept. 1, 2023
Drug
impurities
are
now
seen
as
a
major
threat
to
drug
safety
around
the
world,
especially
when
it
comes
carcinogenic
impurities.
Here,
we
present
first
spectrophotometric
approach
for
quantification
of
lignocaine
and
fluorescein
in
presence
2,6-xylidine,
lignocaine’s
impurity.
The
depends
on
overcoming
unresolved
bands
through
data
processing
strategy
employing
10
affordable,
simple,
sensitive
methods.
Fluorescein
analysis
(1–16
μg
mL
−1
)
was
performed
using
direct
ultraviolet
spectrophotometry
(D
0
at
478
nm;
then,
ratio
subtraction
method
allowed
removal
interference
caused
by
spectrum.
From
resulting
spectra,
2,6-xylidine
(40–160
can
be
efficiently
determined
280
nm.
However,
(72–320
analyzed
different
ultraviolet-based
methods,
including
continuous
wavelet
transform,
derivative
Savitzky–Golay
filters,
mean
centering,
second
spectra
difference
spectrophotometry,
extended
subtraction,
absorbance
Q-absorbance
ratio,
area
under
curve.
In
line
with
International
Council
Harmonization
Technical
Requirements
Pharmaceuticals
Human
Use
(ICH),
presented
evaluated
its
coefficients
determination,
detection
limits,
relative
standard
deviations.
Similarly,
developed
assessed
whiteness,
greenness,
sustainability
five
assessment
tools,
National
Environmental
Method
Index,
Eco-Scale
Assessment,
Complementary
Green
Analytical
Procedure
Greenness
Metric,
RGB12,
offering
promising
results.
Owing
satisfactory
analytical
performance,
besides
sustainability,
affordability,
simplicity,
cost
efficiency
their
application
quality
control
situ
minimal-infrastructure
laboratories
increases,
increasing
surveillance
potential.