Pharmaceutics,
Journal Year:
2023,
Volume and Issue:
15(10), P. 2504 - 2504
Published: Oct. 21, 2023
While
using
saccharides
as
stabilizers
for
therapeutic
protein
drying
is
common,
the
mechanisms
underlying
stabilization
during
remain
largely
unexplored.
Herein,
we
investigated
effect
of
different
saccharides,
trehalose
dihydrate
(TD),
dextran
(DEX),
and
hydroxypropyl
β-cyclodextrins
(low
substitution-HP
high
substitution-HPB),
on
relative
activities
enzymes
trypsin
catalase
miniaturized
(MD)
or
spray
(SD).
For
trypsin,
presence
especially
HP,
was
beneficial,
it
significantly
improved
enzyme
activity
following
MD.
The
HPB
preserved
trypsin's
MD
SD.
Adding
did
not
show
a
notable
improvement
in
activities.
Increasing
TD
beneficial
SD
catalase,
indicated
by
increased
activity.
Molecular
docking
molecular
dynamics
simulations
oftrypsin
with
HP
revealed
influence
their
substitution
binding
affinity
enzyme.
A
higher
to
bind
itself
observed
simulations.
Experimentally,
reduction
mainly
MD,
attributable
droplet
temperature
than
from
experiments
aggregation
propensity
modeling
helped
elucidate
impact
size
preserving
drying.
Frontiers in Chemistry,
Journal Year:
2024,
Volume and Issue:
12
Published: Dec. 10, 2024
This
study
investigates
the
synthesis
of
silver
nanoparticles
(Ag
NPs)
using
Helianthemum
lippii
extract
and
evaluates
their
photoprotective,
anti-hemolytic,
antibacterial,
anti-inflammatory
properties
compared
to
various
fractions,
including
total
aqueous
(AE),
flavonoid
monoglycosides
(FMG),
diglycosides/triglycosides
(FDG/FTG),
tannins
(TN),
anthocyanins
(AC).
is
rich
in
bioactive
compounds
such
as
caffeic
acid,
p-coumaric
gallic
known
for
therapeutic
potential.
aims
determine
whether
embedding
these
phytochemicals
into
Ag
NPs
enhances
biomedical
applications
natural
fractions.
were
synthesized
through
a
green
approach,
physicochemical
properties,
size
morphology,
characterized.
High-performance
liquid
chromatography
(HPLC)
was
used
identify
key
Biological
assays
conducted
assess
photoprotective
efficacy
(sun
protection
factor,
SPF),
antibacterial
activity
(minimum
inhibitory
concentration,
MIC),
potential
(percentage
inhibition),
hemolytic
with
sodium
dodecyl
sulfate
(SDS)
serving
control.
HPLC
analysis
confirmed
presence
compounds,
AE
extract.
The
spherical
an
average
diameter
35
nm
had
adsorbed
on
surface.
AC
fraction
demonstrated
highest
SPF
(28.27),
followed
by
TN
(27.99),
(23.20),
(22.50),
while
FMG
exhibited
moderate
(19.39)
commercial
sunscreen
Avene®
(40.00).
superior
MIC
values
0.2
mg/mL
against
Pseudomonas
aeruginosa
0.4
Bacillus
subtilis,
outperforming
AE,
which
2.81
mg/mL.
Anti-inflammatory
showed
that
achieved
79.8%
inhibition
at
400
μg/mL,
surpassing
(71.75%)
(67.9%),
comparable
diclofenac
(72.63%).
Hemolysis
revealed
induced
only
1.35%
hemolysis,
lower
than
(1.91%)
significantly
below
SDS
(90.48%).
findings
demonstrate
lippii-derived
exhibit
enhanced
anti-inflammatory,
anti-hemolytic
While
slightly
multifunctional
bioactivities
underscore
applications.
integration
efficacy,
making
them
promising
candidates
advanced
pharmaceutical
formulations
topical
protective
agents.
ACS Omega,
Journal Year:
2023,
Volume and Issue:
9(1), P. 730 - 740
Published: Dec. 29, 2023
This
review
deals
with
computational
study
of
polyphenolic
compounds
medicinal
importance
and
interest
for
drug
development.
Herein,
four
comprising
catechol
(1),
caffeic
acid
(II),
gallic
(III),
pyrogallol
(IV)
have
been
isolated
from
a
specie,
Fagonia
indica,
by
applying
silica
gel
column
chromatography.
These
were
identified
using
gas
chromatography–mass
spectrometry
(GC–MS)
analysis
confirmed
geometric
analysis.
According
to
results,
has
shown
the
highest
biological
activation
due
higher
chemical
softness,
electronegativity
(χ
(eV)
=
−648.644),
electrostatic
potential
value
(−8.424
×
10–2
+8.424
10–2),
while
smaller
values
(−0.269),
ELUMO
(−0.080),
energy
gap
(ΔE
0.149).
The
Mulliken
atomic
charges
calculated
DFT/B3LYP
basis
set
6-311G
determination
active
sites.
oxygen
atom
showed
nucleophilic
characteristic
more
negative
charge
(08
−0.695),
indicated
strong
electrophilic
center
at
C14
0.415
positive
charge.
Moreover,
UV–visible
absorption
spectra
detailed
vibrational
frequencies
all
phenolic
employing
DFT
approach
3-21G,
6-31G,
sets
ground-state
level
great
agreement
experimental
results.
ANOVA
applied
validate
theoretical
data.
Results
suggest
that
I–IV
are
suitable
in
diverse
fields.
Journal of Food Biochemistry,
Journal Year:
2024,
Volume and Issue:
2024(1)
Published: Jan. 1, 2024
Calamintha
incana
,
a
medicinal
plant
traditionally
used
for
its
therapeutic
properties,
has
been
investigated
phytochemical
constituents
and
biological
activities.
Through
specific
LC‐MS/MS
analysis
method,
the
of
methanolic
extract
have
identified
quantified.
The
2,2‐diphenyl‐1‐picrylhydrazyl
method
was
to
measure
antioxidant
properties.
antibacterial
properties
this
tested
against
four
harmful
bacteria
using
disc
diffusion
minimum
inhibitory
concentration
methods.
A
colorimetric
assay
evaluated
total
phenolic
flavonoid
content.
contained
34
compounds,
with
linolenic
acid
(11.2%)
myristic
(10.3%)
being
most
abundant.
Despite
low
content,
exhibited
activity
an
IC
50
96.8
±
0.3
μ
g/mL.
Moreover,
demonstrated
potent
antimicrobial
B.
cereus
S.
aureus
concentrations
11.8
21.5
g/mL,
respectively.
These
robust
results
underscore
potential
C.
in
development
effective
agents.
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 18, 2023
Abstract
Purpose:
Resistance
to
chemotherapeutics
is
an
eminent
cause
which
leads
for
search
of
options
that
help
in
diminution
Pancreatic
Ductal
Adenocarcinoma
(PDAC)
by
overcoming
resistance
issues.
Caffeic
acid
(CFA),
a
polyphenol
occurring
many
dietary
foods
known
show
anti-diabetic
and
anticancer
properties
potential.
Methods:
To
unveil
effect
CFA
on
PDAC
we
carried
out
this
research
cells,
following
checked
combination
pre-sensitization
effects
CFA.
Multitudinous
web-based
approaches
were
applied
identifying
targets
then
getting
their
interconnections.
Results
conclusions:
Subsequently,
manifested
affects
in-vitro
analysis
showing
IC
50
concentrations
37.37µM
15.06µM
Panc-1
Mia-PaCa-2
respectively.
Combination
index
with
different
drugs
was
explored
gave
no
significant
results
leading
further
investigate
pre-sensitizing
effects.
reduced
concentration
doxorubicin
both
cell
lines
also
triggered
ROS
generation
determined
DCFH-DA
assay.
Gene
expression
revealed
acts
differently
triggers
distinct
signalling
overcome
resistance.
Collectively,
study
investigated
role
as
therapeutics
mechanism
mitigating
sensitizing
chemotherapeutics.