Applied Chemical Engineering,
Journal Year:
2023,
Volume and Issue:
7(1)
Published: Dec. 14, 2023
Al-Mg
surface
doped
silicon,
germanium
and
tin
is
theoretically
studied
using
first-principles
density
functional
theory
(DFT)
at
the
CAM-B3LYP/EPR-III,
LANL2DZ,6-31+G(d,p)
level
of
to
explore
chemical
adsorption
corrosion
inhibition
organic
carbenes
through
coating
process.
The
fluctuation
NQR
estimated
inhibiting
role
pyridine
its
derivatives
(picoline,
3-picoline,4-picoline,2,4-lutidine)
for
(Si,
Ge,
Sn)-doped
alloy
nanosheet
due
concerning
nitrogen
in
benzene
ring
related
heterocyclic
compounds
becoming
close
monolayer
nanosurface
Al-Mg-X
(X
=
Si,
Sn)
nanoalloys.
NMR
spectroscopy
remarks
that
has
maximum
band
wavelengths
approximately
between
10
ppm–2000
ppm
accompanying
sharpest
peaks
inhibitors
→
which
are
ppm–100
ppm.
IR
exhibited
with
frequency
intra-atomic
interaction
leads
us
most
influence
vicinage
atoms
generated
inter-atomic
interaction.
spectrum
complexes
[inhibitor
Sn)]
observed
range
500
cm−1–3500
cm−1.
This
work
exhibits
proper
monitoring
mechanism
by
Langmuir
can
illustrate
aluminum
nanoalloys
an
investigation
their
structural
thermodynamic
properties.
investigates
characteristics,
structure,
projected
state
(PDOS)
nanoalloy
Sn
elements
increasing
molecules
coatings
article
be
helpful
a
applications
uses
study
energy
storage
air
pollution
or
water
contamination.
Many
different
approaches
such
as
coatings,
alloying
doping
adopted
protect
surface.
RSC Advances,
Journal Year:
2023,
Volume and Issue:
13(48), P. 34078 - 34096
Published: Jan. 1, 2023
This
study
employed
density
functional
theory
(DFT)
computational
techniques
at
the
ωB97XD/def2svp
level
of
to
comprehensively
explore
electronic
behavior
Fe-group
transition
metal
(Fe,
Ru,
Os)
coordination
Se-doped
graphitic
carbon
(Se@g-C3N4)
nanosystems
in
smart
delivery
zidovudine
(ZVD),
an
antiretroviral
drug.
The
HOMO-LUMO
results
interactions
show
a
general
reduction
energy
gap
values
across
all
complexes
following
order:
ZVD_Se@C3N4
<
ZVD_Ru_Se@C3N4
ZVD_Fe_Se@C3N4
ZVD_Os_Se@C3N4.
exhibits
smallest
post-interaction
band
3.783
eV,
while
ZVD_Os_Se@C3N4
presents
highest
5.438
eV.
Results
from
corrected
adsorption
(BSSE)
revealed
that
Os_Se@C3N4
and
Ru_Se@C3N4
demonstrated
more
negative
energies
-2.67
-2.701
respectively,
pointing
favorable
interaction
between
ZVD
these
systems,
thus
potentially
enhancing
drug
efficiency.
investigation
into
release
mechanism
adsorbents
involved
comprehensive
examination
dipole
moment
influence
pH,
shedding
light
on
controlled
ZVD.
Additionally,
investigating
decomposition
analysis
(EDA)
exhibited
same
total
-787.7
kJ
mol-1.
intriguing
similarity
their
levels
suggested
stability
was
governed
by
factors
beyond
reactivity,
possibly
due
intricate
orbital
interactions.
Furthermore,
analyzing
bond
dissociation
showed
systems
enthalpy
values,
indicating
were
exothermic
both
surface
levels,
suggesting
processes
emitted
heat,
contributing
surrounding
thermal
energy.
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.
Canadian Metallurgical Quarterly,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 22
Published: Oct. 14, 2024
This
study
explores
the
inhibitory
action
of
two
novel
organic
compounds,
namely
diethyl
1-((8hydroxyquinolin-5-yl)methyl)−2,6-dimethyl-4-(p-tolyl)−1,4-dihydropyridine-3,5-dicarboxylate
(PR1)
and
1-((8-hydroxyquinoline-5-yl)
methyl)−2,6-dimethyl-4-(4-nitrophenyl)−1,4dihydropyridine-3,5-dicarboxylate
(PR2),
on
mild
steel
(MS)
corrosion
in
1M
HCl.
Using
a
combination
quantum
chemical
experimental
methodologies,
evaluates
performance
these
inhibitors
through
electrochemical
techniques,
including
potentiodynamic
polarisation
(PDP)
impedance
spectroscopy
(EIS),
complemented
by
surface
analysis
via
scanning
electron
microscopy
(SEM)
X-ray
(EDX).
Key
findings
reveal
that
both
PR1
PR2
exhibit
significant
rise
protection
with
concentration,
reaching
an
impressive
peak
95.3%
at
10−3
M
for
PR2.
The
demonstrate
mixed-type
inhibition
properties
adhere
to
Langmuir
adsorption
isotherm.
Detailed
confirms
creation
defensive
film
metal
surface,
correlating
observed
results.