Zeitschrift für Physikalische Chemie,
Journal Year:
2024,
Volume and Issue:
238(6), P. 1061 - 1088
Published: Feb. 14, 2024
Abstract
Recently,
the
treatment
of
bacterial
infection
has
been
very
worrisome
as
a
decline
in
antibiotic
sensitivity
is
hitting
majority
world
population.
Among
many
infection’s
causing
agents,
Enterococcus
species
and
Mycoplasma
pneumonia
are
highly
threatening
because
their
resistance
to
powerful
antibiotics
such
vancomycin,
erythromycin,
azithromycin.
Herein,
effect
polar
(DMSO,
EtOH,
MeOH,
H
2
O)
solvation
on
quantum
chemical
parameters,
molecular
structure,
spectroscopy,
antimicrobial
potential
p
-phenylenediamine-thiosemicarbazide-formaldehyde
(PTSF)
terpolymer
presented
within
framework
density
functional
theory
(DFT),
dynamics,
docking
approach.
ethanol
was
keenly
observed
with
most
insightful
properties
across
all
analyses
specifically
by
its
high
energy
gap
(4.6344
eV)
which
accounted
for
stability
compound.
The
revealed
binding
affinities
PSTF
respect
best
modes
−4.6
kcal/mol
LYS
288
bond
distance
2.82
Å
5V2M
−5.1
ASN
770
at
2.27
Å,
GLU
767
2.61
ARG
777
3.69
775
2.57
ALA
763
2.86
6rj1.
From
result
obtained,
studied
compound
higher
affinity
active
site
6RJ1
than
that
5V2M.
This
suggests
greater
efficacy
inhibiting
growth
M.
pneumoniae
vancomycin
resistant
faecalis
.
Hence,
further
vitro
vivo
studies
should
delve
into
more
exploration
reported
ligand.
Chemical Physics Impact,
Journal Year:
2023,
Volume and Issue:
7, P. 100338 - 100338
Published: Oct. 11, 2023
The
unrelenting
menace
of
the
Lassa
virus,
characterized
by
its
high
mortality
rate
and
potential
for
global
dissemination,
underscores
an
urgent
call
comprehensive
eradication
to
safeguard
public
health.
In
light
this,
this
research
embarked
on
extensive
investigation
trans-N-feruloyltyramine
(FLTM),
a
compound
derived
from
Cissampelos
pareira.
This
study
encompassed
thorough
examination
structural
characteristics,
utilizing
spectroscopic
analyses
including
FT-IR,
UV,
NMR,
with
aim
elucidating
electronic,
structural,
biological
properties.
Seamlessly
integrating
experimental
theoretical
approaches
at
DFT/B3LYP/def2SVP
level
theory
in
FLTM_dmso,
FLTM_gas,
FLTM_H2O,
FLTM_MeOH
solvation.
Moreover,
solvation
dynamic
simulation
highlighted
FLTM's
heightened
total
energy
enhanced
solubility
across
dimethyl
sulfoxide
(DMSO),
water
(H2O),
methanol
(MeOH)
phases,
signifying
efficient
distribution
target
sites
emphasizing
as
drug
candidate.
Conversely,
FLTM_gas
exhibited
lower
energy.
Electronic
properties
further
elucidated
reactivity
kinetic
stability,
FLTM_DMSO
displaying
lowest
gap
among
solvents
corresponding
values
1.4168,
4.2159,
4.2175,
4.2749
eV.
These
findings
mirrored
compound's
higher
stability
compared
FLTM_MeOH,
aligning
principles
chemical
hardness
softness.
Results
molecular
docking
introduced
FLTM
fever
treatment
candidate,
surpassing
Ribavirin
binding
affinities
virus
receptors.
energies
-6.5
kcal/mol,
-7.2
-8.2
kcal/mol
7UOT,
3MX5,
3MX2,
respectively,
establishing
interactions
crucial
amino
acid
residues.
strongly
advocate
efficacy,
meriting
vitro
vivo
investigations
clinical
validation.
Chemical Physics Impact,
Journal Year:
2023,
Volume and Issue:
8, P. 100438 - 100438
Published: Dec. 21, 2023
This
study
is
aimed
at
evaluating
the
impact
of
solvation
on
structural,
spectroscopy
(UV,
NMR,
FT-IR),
reactivity,
bonding
interactions,
and
drug
potential
Pyridine
4-Carbaldehyde
Semi-carbazone
(PCS)
against
disease
(cholera)
causing
protein
in
Gram-negative
bacterium;
Vibrio
cholerae.
Notably,
was
carried
out
using
both
experimental
theoretical
calculations
based
density
functional
theory
(DFT)
GD3B/B3LYP/6-311G++(2D,2P)
level
along
with
molecular
docking.
Results
from
UV-
spectrum
showed
very
fair
absorption
levels
across
different
solvents
used,
peaks
463nm,
467nm,
470nm
468nm
for
PCS_DMSO,
PCS_ETOH,
PCS_H2O
PCS_MEOH
respectively.
The
reveals
discrepancies
between
1H
NMR
shifts.
However,
13C
shifts
show
minute
differences.
RDG
analysis
steric
repulsions
pyridine
ring.
Whereas,
investigation
electronic
properties
reveal
that
decreasing
order
PCS_DMSO
(3.668eV)
>
(3.206eV)
(3.202eV)
PCS_ETOH
(0.312eV).
results
docking
PCS
had
binding
affinities
-5.0
Kcal/mol
7P3R
-5.4
1XTC
which
happen
to
be
much
lesser
than
-10.2
formed
erythromycin
7P3R.
a
non-feasible
interactions
biding
affinity
18.0
Kcal/mol.
MD
simulation
PCS-MEOH
higher
energy
value
PCS-DMSO,
PCS-ETOH,
PCS-H2,
indicating
it
can
interact
other
substances
more
effectively,
disperse
quickly.
These
various
studied
objectives,
however,
suggest
lead
compound
tackling
incidence,
distribution
prevalence
cholera.
Zeitschrift für Physikalische Chemie,
Journal Year:
2024,
Volume and Issue:
238(6), P. 1061 - 1088
Published: Feb. 14, 2024
Abstract
Recently,
the
treatment
of
bacterial
infection
has
been
very
worrisome
as
a
decline
in
antibiotic
sensitivity
is
hitting
majority
world
population.
Among
many
infection’s
causing
agents,
Enterococcus
species
and
Mycoplasma
pneumonia
are
highly
threatening
because
their
resistance
to
powerful
antibiotics
such
vancomycin,
erythromycin,
azithromycin.
Herein,
effect
polar
(DMSO,
EtOH,
MeOH,
H
2
O)
solvation
on
quantum
chemical
parameters,
molecular
structure,
spectroscopy,
antimicrobial
potential
p
-phenylenediamine-thiosemicarbazide-formaldehyde
(PTSF)
terpolymer
presented
within
framework
density
functional
theory
(DFT),
dynamics,
docking
approach.
ethanol
was
keenly
observed
with
most
insightful
properties
across
all
analyses
specifically
by
its
high
energy
gap
(4.6344
eV)
which
accounted
for
stability
compound.
The
revealed
binding
affinities
PSTF
respect
best
modes
−4.6
kcal/mol
LYS
288
bond
distance
2.82
Å
5V2M
−5.1
ASN
770
at
2.27
Å,
GLU
767
2.61
ARG
777
3.69
775
2.57
ALA
763
2.86
6rj1.
From
result
obtained,
studied
compound
higher
affinity
active
site
6RJ1
than
that
5V2M.
This
suggests
greater
efficacy
inhibiting
growth
M.
pneumoniae
vancomycin
resistant
faecalis
.
Hence,
further
vitro
vivo
studies
should
delve
into
more
exploration
reported
ligand.