Journal of Biomolecular Structure and Dynamics,
Год журнала:
2023,
Номер
42(5), С. 2464 - 2481
Опубликована: Июнь 22, 2023
Epidermal
growth
factor
receptor
(EGFR)
tyrosine
kinases
are
overexpressed
in
several
human
cancers
and
could
serve
as
a
promising
anti-cancer
drug
target.
With
this
view,
the
main
aim
of
present
study
was
to
identify
spices
having
potential
inhibit
EGFR
kinase.
The
structure-based
virtual
screening
spice
database
consisting
1439
compounds
with
kinase
(PDB
ID:
3W32)
carried
out
using
Glide.
Top
scored
18
hits
(XP
Glide
Score
≥
−10.0
kcal/mol)
further
docked
three
T790M/L858R
mutants
AutodockVina,
followed
by
ADME
filtration.
best
were
refined
Molecular
Dynamics
(MD)
simulation
MM-GBSA-based
binding
energy
calculation.
overall
docking
results
selected
both
quite
satisfactory
showed
strong
compared
coligands.
Detailed
MD
analysis
CL_07,
AC_11
AS_49
also
stability
protein-ligand
complexes.
Moreover,
drug-like,
MM-GBSA
free
CL_07
established
be
far
better.
found
similar
known
inhibitor
Gefitinib.
Most
available
Allium
cepa,
Curcuma
longa
sativum,
respectively.
Therefore,
these
used
therapeutic
candidate
against
cancer
caused
overexpression
after
validation
observations
in-vitro
experiments.
Further
extensive
work
is
needed
improve
scaffolds
AC_11,
AC_17,
drugs.Communicated
Ramaswamy
H.
Sarma
Chemical Physics Impact,
Год журнала:
2023,
Номер
7, С. 100291 - 100291
Опубликована: Авг. 27, 2023
The
concerning
toxicity
associated
with
Hydroxyurea
(HU),
an
anticancer
drug
used
in
cancer
treatment,
has
spurred
significant
attention
within
the
research
community
over
years.
To
address
this
adverse
effect,
there
is
a
critical
need
for
smart
and
targeted
delivery
system
(Nano
carrier)
that
can
effectively
deliver
to
tumor
site
while
minimizing
side
effects
patient.
In
study,
we
employed
density
functional
theory
computations
at
(DFT)/ωB97XD/6-311++G
(d,
p)
level
of
evaluate
adsorption
properties
functionalized
boron-doped
graphene
(BGP)
surfaces,
namely
COOH@BGP,
NH2@BGP,
OH@BGP,
HU
drug.
electronic
analysis
revealed
COOH@BGP/HXU
(M2)
exhibited
most
favorable
reactivity
energy
gap
value
5.3756eV,
making
it
reactive
surface
compared
other
complexes
investigated.
Moreover,
comprehensive
natural
bond
orbital
was
conducted
investigate
hyper-conjugative
effects,
hybridization,
charge
transfer,
H-bonding
interactions
systems
studied.
results
confirmed
following
trend:
HXU-COOH@BGP
>
HXU-OH@BGP
(K2)
HXU-NH2@BGP
(Q2).
Additionally,
topological
(QTAIM)
Non-covalent
interaction
(NCI)
were
performed
ascertain
forces
play.
strongly
support
electrostatic
force
M2
complex,
suggesting
presence
hydrogen
facilitate
doped
surface's
ability
bind
HXU
enhance
smooth
investigated
Furthermore,
studies
negative
values,
indicating
adsorption.
Among
all
analyzed
complexes,
nanocarrier
demonstrated
suitable
characteristics
These
findings
hold
promise
development
efficient
could
potentially
mitigate
treatment
outcomes."
Talanta Open,
Год журнала:
2023,
Номер
8, С. 100252 - 100252
Опубликована: Авг. 24, 2023
Recent
attention
has
been
directed
towards
the
role
of
greenhouse
gases,
including
methane
(CH4),
carbon
dioxide
(CO2),
and
ammonia
(NH3),
in
driving
climate
change
global
warming
by
trapping
heat
within
Earth's
atmosphere.
This
ignited
an
escalating
interest
among
researchers
to
devise
sensor
materials
capable
efficiently
detecting
monitoring
these
gases.
Herein,
a
novel
interface
material
composed
boron
(B)
nickel
(Ni)
encapsulated
graphene/PEDOT
matrix
(B_Ni@GP_PEDOT)
was
subjected
comprehensive
simulations
employing
density
functional
theory
(DFT)
at
B3LYP-GD3(BJ)/Def2-SVP
level
theory.
The
primary
objective
assess
potential
B_Ni@GP_PEDOT
capturing
targeted
ruminant
outcomes
molecular
dynamics
unveiled
favorable
interaction
between
all
three
with
CO2
displaying
strongest
attractive
interaction.
Interestingly,
also
revealed
substantial
rise
system
temperature
during
interaction,
indicative
significant
energy
transfer
from
gases
solid
structure.
Furthermore,
insightful
evolution
band
gap
observed,
signifying
increased
stability.
Specifically,
sequence
B_Ni@GP_PEDOT_NH3
<
B_Ni@GP_PEDOT_CH4
B_Ni@GP_PEDOT_CO2
established,
corresponding
ascending
energies
1.30
1.49
1.72
1.78
eV,
respectively.
Intriguingly,
analysis
mechanistic
adsorption
behavior
studied
indicated
varying
degrees
for
adsorption:
B_Ni@GP_PEDOT_NH3,
-0.273,
-0.191,
-0.047
nature
adsorbent
adsorbates
meticulously
explored
using
Quantum
Theory
Atoms
Molecules
(QTAIM)
Non-Covalent
Interaction
(NCI)
analysis,
yielding
that
perfectly
aligned.
observed
have
more
stable
configuration
Polycyclic aromatic compounds,
Год журнала:
2022,
Номер
43(10), С. 8690 - 8709
Опубликована: Дек. 5, 2022
Sulfonamide-based
carboxamide
drugs
have
multiple
active
sites
that
confers
them
with
a
variety
of
chemical
and
pharmacological
activities.
The
combination
structural
functionalities
has
been
established
to
be
vital
in
the
drug
discovery
process.
synthesis
novel,
nontoxic,
cheap
effective
anti-parasitic
analogues
is
trending
aspect
pharmaceutical
medicinal
chemistry
research.
In
this
research,
synthesis,
characterization,
density
functional
theory
(DFT)
investigation
reactivity
anti-trypanosomal
simulation
benzenesulphonamide-based
derivatives
was
carried
out
for
2-[N-(benzenesulfonyl)-1-phenylformamido]-N-(4-nitrophenyl)acetamide(BPNA),
2-[N-(benzenesulfonyl)-1-phenylformamido]-N-(4-nitrophenyl)-3-phenylpropanamide
(BPNPP),
2-[N-(benzenesulfonyl)-1-phenylformamido]-3-(1H-indol-2-yl)-N-(4-nitrophenyl)propenamide
(BPINP)
2-[N-(benzenesulfonyl)-1-phenylformamido]-4-methyl-N-(4-nitrophenyl)pentanamide
(BPMNP)
following
an
environmentally
friendly
zinc
chloride
catalyst
mediated
synthesis.
lower
value
HOMO-LUMO
energy
gap
(2.9756
eV)
observed
BPMNP
indicated
its
higher
biological
activity.
global
electrophilicity
index
(ω),
which
related
hardness
potential
line
other
descriptors
showed
order
>
BPINP
BPNPP
BPNA.
NBO
analysis
σ
→
σ*,
σ*
→π*,
π
π*,
π*
transitions
were
all
compounds
while
lowest
highest
stabilization
energy,
respectively.
From
molecular
docking
analysis,
again,
most
stable
binding
−
9.6
kcal/mol
bond
length
1.99
Å,
evidently
performing
better
than
standard
−7.6
2.89
obtained
follow
decreasing
as
thus;
BPNA
strongly
indicates
alkane-substituted
benzenesulphonamide
carboxamides
especially
possess
potent
curative
properties
against
trypanosomiasis.
Abstract
Herein,
the
Kohn‐Sham
K
density
functional
theory
(DFT)
approach
has
been
employed
to
investigate
adsorption
and
sensing
efficacy
of
C
23
X
(X=Zn,
Ti,
Ni,
Fe,
Cr)
nanoclusters
towards
a
selected
organochlorine
derivative
(chloronaphthalene).
CLN@C
Ti
(
T1
)
Cr
(C1)
complexes
indicated
stronger
as
confirmed
by
energy
values
−68.3384
−49.3581
Kcal/mol.
Also,
higher
change
in
charge
transfers
−1.7134
−1.0414
observed
C1
respectively
this
result
was
further
strengthened
dipole
moment
analysis.
surfaces
reflect
5.7126
4.7552
D
respectively,
indicating
separation
interactions
upon
chloronaphthalene
(CLN).
Rich
blue
color
possessed
all
3D
isosurface
Reduced
Density
Gradient
(RDG)
plots,
signifies
presence
very
strong
force
attraction
hydrogen
bond
interaction.
These
results
are
consistent
with
topological
analysis
those
mechanisms,
thus,
leading
conclusive
scientific
report
that
exhibit
relatively
better
for
detection
CLN.
Hence,
it
can
be
coupling
future
sensor
device
CLN
molecule.