Chemical Physics Impact,
Год журнала:
2023,
Номер
7, С. 100290 - 100290
Опубликована: Авг. 31, 2023
Lymphoma,
a
type
of
cancer
that
affects
the
lymphatic
system—an
essential
element
body's
immune
defense—has
captured
increased
interest
from
modern
researchers.
This
study,
investigate
possible
antilymphoma
characteristics
benzo
bisthiazole
using
both
experimental
and
theoretical
investigations
at
DFT/B3LYP-GD3BJ/6–311++G(d,
p)
level
theory.
study
aims
to
provide
comprehensive
understanding
electronic
spectroscopic
behavior
benzo[1,2_d:4,5]
(BBT),
given
diverse
range
applications
for
thiazole
derivatives.
We
impact
solvation
on
BBT's
molecular
structure,
spectral
characteristics,
quantum
chemical
properties,
vibrational
modes,
features,
its
interaction
through
docking.
Our
findings
reveal
intriguing
insights
into
reactivity,
highlighting
enhanced
reactivity
in
benzene
with
an
energy
gap
4.6406
eV,
while
demonstrating
greater
stability
water
4.6490
eV.
Notably,
analysis
high-energy
transitions
reveals
prevalent
n-π*
transitions,
some
though
absent
UV
spectra
due
their
low
oscillator
strength,
are
also
identified.
The
dominant
constituting
around
74.85
75.57%
contribution,
characterized
across
various
solvents,
emphasizing
significance.
Impressively,
docking
underscores
potential
bioactivity
against
lymphoma,
score
-6.3
kcal/mol.
Moreover,
6TOF-BBT
favorable
hydrogen
bonding
amino
acids,
histidine
(HIS:
116),
glycine
(GLY:55),
along
polypeptide
chain
A
receptor.
These
bonds
notably
well-structured
bond
distances
2.75
Å
2.99
Å,
respectively,
further
elucidating
unique
mechanisms.
ACS Omega,
Год журнала:
2023,
Номер
8(11), С. 10006 - 10021
Опубликована: Март 7, 2023
Theoretical
studies
on
the
adsorption,
sensibility,
and
reactivity
of
a
boron
nitride
nanocage
decorated
with
Au,
Cu,
Ni,
Os,
Pt,
Zn
metals
as
biosensor
material
were
carried
out
for
adsorption
carboplatin
by
applying
density
functional
theory
computation
at
B3LYP-GD3BJ/def2svp
level
theory.
All
optimized
structures,
well
calculations
regards
studied
objective
including
electronic
properties,
geometry
optimization
parameters,
energy
studies,
natural
bond
orbital
analysis,
topology
sensor
mechanistic
thermodynamic
properties
(ΔG
ΔH),
investigated
herein.
As
result,
noticeable
change
in
gap
surfaces
when
interacting
accounted
surfaces'
reactivity,
stability,
conductivity,
work
function,
overall
ability,
implying
that
are
good
materials
sensing
carboplatin.
Furthermore,
negative
energies
obtained
suggest
surface
has
superior
ability
to
sense
chemisorption
was
seen.
Substantially,
geometric
short
length
after
thermodynamically
spontaneous
reactions,
acceptable
mechanism
results
demonstrate
have
strong
characteristics
Heliyon,
Год журнала:
2023,
Номер
9(10), С. e20706 - e20706
Опубликована: Окт. 1, 2023
Despite
the
fact
that
n-corannulene
oligomers
(n
=
1-4)
have
a
variety
of
electronic
and
optical
properties,
including
ability
to
be
tuned
potential
used
as
light-harvesting
materials,
there
has
not
been
computational
assessment
their
structural,
electronic,
properties.
Herein,
evaluation
concerned
materials
regarding
potent
use
in
solar
cell
technology
conducted
via
DFT/CAM-B3LYP
M062X/6-311+G
level
theory.
It
was
observed
calculated
1st
frequency
n-Corannulene
were
144.15,
106.36,
48.96
42.21
respectively.
Notably,
computed
cohesive
energy
value
increased
number
Corannulene
units
increases
while
characteristics
revealed
chemical
activity
structures
rose.
Both
calculation
techniques
demonstrate
HOMO
decreasing
LUMO
based
on
external
electric
field
(EF)
effect.
The
findings
demonstrated
EF
intensity
increases,
gap
(Eg/eV
|EHOMO-ELUMO|)
these
molecular
systems
decreases
which
can
attributed
decrease
electron
transfer
barrier.
4-Corannulene
showed
highest
wave
length
adsorption
for
investigated
compound
at
546.18
nm,
with
oscillator
strength
0.2708
lowest
transition
2.2700
eV,
arising
from
S0-S1
(H-L)
major
percentage
contribution
93.34
%
comparison
compounds.
We
are
hopeful
this
research
will
help
experimental
researchers
understand
n-Corannulene,
specifically
4-corannulene,
powerful
material
applications
ranging
cell,
photovoltaic
properties
many
others.
Chemical Physics Impact,
Год журнала:
2024,
Номер
8, С. 100466 - 100466
Опубликована: Янв. 14, 2024
The
sobering
reality
is
that
numerous
infectious
diseases
can
no
longer
be
effectively
treated
with
antibiotics,
necessitating
immediate
attention
and
action.
Therefore,
this
study
explores
a
thiadiazol
derivative
for
the
purpose
of
elucidating
its
antibacterial
efficacy
against
carbapenem-resistant
Klebsiella
pneumonia
Pseudomonas
aeruginosa.
Prior
to
examination,
compound
(DOP)
under
was
structurally
electronically
investigated
utilizing
density
functional
theory
(DFT)
at
ωB97XD/6–311++G
(d,
p)
level
theory.
Interestingly,
comprehensive
investigation
encompassed
spectral
analyses
including
FT-IR,
UV-excitation
all
studied
in
different
solvents
DMSO,
water,
methanol.
Results
frontier
molecular
orbital
(FMO)
analysis,
DOP_gas
showcased
lowest
energy
gap
3.943
eV,
implying
heightened
reactivity.
Substantially,
results
from
pharmacokinetic
studies
illuminated
facets
distribution,
metabolism,
toxicity.
Thus,
registering
possess
incredible
drug-like
properties
suggesting
detriments
terms
treatment.
Notwithstanding,
resounding
docking
presented
DOP
exhibited
notable
binding
affinities
formed
strong
conventional
hydrogen
bonds
specific
residues,
indicating
robust
interactions.
Particularly,
DOP_6V78
DOP_4WEJ
displayed
highest
-11.0
kcal/mol
10.1
aeruginosa,
respectively.
These
findings
underscore
potential
therapeutic
Carbapenem-resistant
strains,
favorable
attributes
comparison
drugs
affinity
interaction
strength.
Chemical Physics Impact,
Год журнала:
2024,
Номер
8, С. 100467 - 100467
Опубликована: Янв. 11, 2024
The
4′-(4-chlorobenzoyl)-3,-(2,6-dichlorophenyl)-1′-methylspiro(indole-3,2′-pyrrolidin)-2(1H)-one
(SOD1)
compound
has
been
synthesized
and
the
single
crystals
are
grown
by
slow
evaporation
method
using
ethanol.
Initially,
FT-IR
NMR
(1H
13C
NMR)
spectroscopic
studies
were
used
to
confirm
structure
of
compound.
Single
crystal
X-ray
diffraction
data
determine
solid
state
analysis
crystals.
title
SOD1
crystallizes
in
orthorhombic
space
group
Pbca.
packing
shows
that
distinct
hydrogen
bonding
intermolecular
interactions
construct
R22(12),
R22(8),
R12(8),
supramolecular
synthons
stabilize
modes.
propensity
is
quantified
Hirshfeld
surface
analysis,
2-D
fingerprint
plots
enrichment
ratio
analysis.
Further,
3-D
topology
molecular
fragments
visualized
through
energy
frameworks,
which
reveal
predominance
dispersion
over
other
interaction
energies.
optimized
structure's
geometric
parameters
computed
DFT
calculations
B3LYP/6–311+G(d,p)
basis
set
compared
with
obtained
studies.
To
explore
anticancer
activity
spiro
compound,
docking
6FS1
protein
was
performed
binding
score
-7.7
kcal/mol
observed.
explored
dynamics
simulation
Polycyclic aromatic compounds,
Год журнала:
2022,
Номер
43(9), С. 7942 - 7969
Опубликована: Дек. 28, 2022
AbstractTo
combat
the
rise
of
multidrug-resistant
microorganisms
like
methicillin-resistant
Staphylococcus
aureus
(MRSA),
new
antibiotic
classes
are
required.
Hence,
experimental
and
theoretical
calculation
utilizing
density
functional
theory
(DFT)
approach
in-silico
molecular
docking
have
been
exploited
in
this
study
on
title
molecule:
(E)-6-chloro-N2-phenyl-N4-(4-phenyl-5-(phenyl
diazinyl)-2λ3,
3
λ2-
thiazol-2-yl)-1,
3,
5-triazine-2,4-
diamine
(CPTD)
at
B3PW91,
ɷB97XD,
PBE0/6-311++G(d,
p)
level
to
elucidate
its
drug
potential
against
MRSA.
Molecular
analysis
was
performed
proposed
structure
using
following
proteins
PDB:
ID
3T07,
4DKI,
6H50,
6U3Y
best
binding
scores
with
ligand
were
examined
be
−9.6
kcal/mol,
−7.2
−6.4
−8.6
kcal/mol
respectively.
However,
it's
worth
noting
that
3T07
displayed
greater
ability
revealing
essential
amino
acids
as
several
active
sites
seen
adhering
efficiently
CPTD.
The
dynamic
simulation
corroborated
case
protein
backbone
atoms,
it
found
average
RMSD
values
for
complexes
CPTD
+
6H5O,
and,
2.719
Å,
4.122
4.021
4.619
Å
Thus,
can
fervently
stated
substantiates
antibacterial
or
inhibitory
than
clindamycin,
hereafter
developed
pharmaceutically
curb
MRSA.Keywords:
Methicillin
resistant
(MRSA)DFTpharmacokineticmolecular
AcknowledgementsThe
authors
acknowledge
centre
high
performance
computing
(CHPC),
University
Johannesburg,
South
Africa
providing
computational
resources
research
project.Disclosure
statementNo
conflict
interest
reported
by
author(s).Author
contributionsHL:
Project
conceptualization,
design,
supervision.
IB:
Writing,
results
extraction,
analysis,
manuscript
first
draft.
GEM,
TEG
FOE:
Manuscript
revision,
review,
proofreading,
editing,
analysis.
TOUIA,
HP:
PN,
OS,
ECA,
EUE,
IJE:
Resources,
editing.Additional
informationFundingThis
not
funded
any
Governmental
Non-governmental
agency.