Carbon Trends,
Journal Year:
2024,
Volume and Issue:
15, P. 100370 - 100370
Published: June 1, 2024
Supercapacitors
have
attracted
significant
attention
in
modern
devices
as
a
promising
solution
for
electrical
energy
storage
due
to
their
remarkable
capability
undergo
rapid
charge
and
discharge
cycles.
While
various
materials
are
employed
the
construction
of
supercapacitors,
carbon-based
emerge
predominant
choice
within
commercial
realm.
In
present
report,
our
intention
is
develop
an
effective
supercapacitor
device
derived
from
natural
biomass.
Therefore,
we
synthesized
water
soluble,
monodisperse
fluorescent
carbon
quantum
dots
(CQDs)
turmeric
leaves
(Curcuma
caesia)
via
single
step
hydrothermal
carbonization.
Further,
doctor
blade
technique
was
coat
layer
CQDs
on
stainless
steel
substrate
using
PVA
binder.
We
observed
functional
groups
associated
with
QDs
triggers
fast
diffusion
ions
transmission
electrons
conducting
electrolyte
thereby
effectively
mechanism.
The
based
electrode
exhibits
exceptional
performance
characteristics
specific
capacitance
468
F/g
highest
density
78.6
Wh/kg,
superior
values
reported
most
supercapacitors.
demonstrated
light
dependent
capacitive
enhancement
by
depositing
thin
P3HT
over
CQDs.
Moreover,
CQDs-based
achieves
maximum
power
733.2
W/kg
when
operated
1M
KOH
excellent
retention
about
80%
even
after
5000
Materials Today Bio,
Journal Year:
2021,
Volume and Issue:
13, P. 100186 - 100186
Published: Dec. 9, 2021
Recently,
biomedicine
and
tissue
regeneration
have
emerged
as
great
advances
that
impacted
the
spectrum
of
healthcare.
This
left
door
open
for
further
improvement
their
applications
to
revitalize
impaired
tissues.
Hence,
restoring
functions.
The
implementation
therapeutic
protocols
merge
biomimetic
scaffolds,
bioactive
molecules,
cells
plays
a
pivotal
role
in
this
track.
Smart/stimuli-responsive
hydrogels
are
remarkable
three-dimensional
(3D)
bioscaffolds
intended
engineering
other
biomedical
purposes.
They
can
simulate
physicochemical,
mechanical,
biological
characters
innate
Also,
they
provide
aqueous
conditions
cell
growth,
support
3D
conformation,
mechanical
stability
cells,
serve
potent
delivery
matrices
molecules.
Many
natural
artificial
polymers
were
broadly
utilized
design
these
intelligent
platforms
with
novel
advanced
characteristics
tailored
functionalities
fit
such
applications.
In
present
review,
we
highlighted
different
types
smart/stimuli-responsive
emphasis
on
synthesis
scheme.
Besides,
mechanisms
responsiveness
stimuli
elaborated.
Their
potential
was
discussed.
Furthermore,
exploitation
targeted
drug
delivery,
smart
biosensors,
actuators,
4D
printing,
culture
outlined.
addition,
threw
light
self-healing
biomedicine.
Eventually,
presented
future
perceptions
Conclusively,
current
progress
enhances
prospective
function
intelligent,
sophisticated
systems
Biointerface Research in Applied Chemistry,
Journal Year:
2022,
Volume and Issue:
13(1), P. 41 - 41
Published: Jan. 24, 2022
Nanotechnology
has
infiltrated
all
sectors
due
to
its
unique
and
evident
impacts,
which
give
the
scientific
community
numerous
breakthroughs
in
medical,
agricultural,
other
domains.
Nanomaterials
(NMs)
have
risen
prominence
technological
their
adjustable
physical,
chemical,
biological
characteristics
superior
performance
over
bulk
equivalents.
NMs
are
divided
into
many
categories
based
on
size,
composition,
capping
agents,
form,
origin.
The
capacity
forecast
NMs'
features
raises
value
of
each
categorization.
As
manufacturing
industrial
uses
grow,
so
does
demand.
purpose
this
review
is
compare
synthetic
naturally
occurring
nanoparticles
nanostructured
materials
determine
nanoscale
identify
particular
knowledge
gaps
related
environmental
application
materials.
paper
includes
an
overview
history
classifications
sources,
both
natural
manufactured.
Furthermore,
applications
for
Polymers,
Journal Year:
2022,
Volume and Issue:
14(16), P. 3352 - 3352
Published: Aug. 17, 2022
Traditional
cancer
treatments
include
surgery,
radiation,
and
chemotherapy.
According
to
medical
sources,
chemotherapy
is
still
the
primary
method
for
curing
or
treating
today
has
been
a
major
contributor
recent
decline
in
mortality.
Nanocomposites
based
on
polymers
metal
nanoparticles
have
recently
received
attention
of
researchers.
In
current
study,
nanocomposite
was
fabricated
carboxymethyl
cellulose
silver
(CMC-AgNPs)
their
antibacterial,
antifungal,
anticancer
activities
were
evaluated.
The
antibacterial
results
revealed
that
CMC-AgNPs
promising
activity
against
Gram-negative
(Klebsiella
oxytoca
Escherichia
coli)
Gram-positive
bacteria
(Bacillus
cereus
Staphylococcus
aureus).
Moreover,
exhibited
antifungal
filamentous
fungi
such
as
Aspergillus
fumigatus,
A.
niger,
terreus.
Concerning
HepG2
hepatocellular
cell
line,
lowest
IC50
values
(7.9
±
0.41
µg/mL)
recorded
CMC-AgNPs,
suggesting
strong
cytotoxic
effect
liver
cells.
As
result,
our
findings
suggest
antitumor
these
CMC-Ag
due
induction
apoptosis
necrosis
hepatic
cells
via
increased
caspase-8
-9
diminished
levels
VEGFR-2.
conclusion,
activities,
which
can
be
used
pharmaceutical
fields.
Journal of Fungi,
Journal Year:
2022,
Volume and Issue:
8(2), P. 126 - 126
Published: Jan. 27, 2022
Mucormycosis
is
considered
one
of
the
most
dangerous
invasive
fungal
diseases.
In
this
study,
a
facile,
green
and
eco-friendly
method
was
used
to
biosynthesize
silver
nanoparticles
(AgNPs)
using
Pseudomonas
indica
S.
Azhar,
combat
fungi
causing
mucormycosis.
The
biosynthesis
AgNPs
validated
by
progressive
shift
in
color
P.
filtrate
from
colorless
brown,
as
well
identification
distinctive
absorption
peak
at
420
nm
UV-vis
spectroscopy.
Fourier-transform
infrared
spectroscopy
(FTIR)
results
indicated
existence
bioactive
chemicals
that
are
responsible
for
AgNP
production.
with
particle
sizes
ranging
2.4
53.5
were
discovered
transmission
electron
microscopy
(TEM).
Pattern
peaks
corresponding
111,
200,
220,
311,
222
planes,
which
corresponded
face-centered
cubic
forms
metallic
silver,
also
X-ray
diffraction
(XRD).
Moreover,
antifungal
activity
measurements
biosynthesized
against
Rhizopus
Microsporus,
Mucor
racemosus,
Syncephalastrum
racemosum
carried
out.
Results
analysis
revealed
exhibited
outstanding
all
tested
concentration
400
µg/mL,
where
minimum
inhibitory
concentrations
(MIC)
50,
100
µg/mL
toward
R.
microsporus,
racemosum,
M.
racemosus
respectively.
addition,
antioxidant
activity,
IC50
31
when
compared
ascorbic
acid
(0.79
µg/mL).
Furthermore,
showed
no
cytotoxicity
on
Vero
normal
cell
line.
conclusion,
study
can
be
effective
antifungals
safe
use,
particularly
Life,
Journal Year:
2022,
Volume and Issue:
12(6), P. 893 - 893
Published: June 15, 2022
There
is
an
increase
of
pathogenic
multidrug-resistant
bacteria
globally
due
to
the
misuse
antibiotics.
Recently,
more
scientists
used
metal
nanoparticles
counteract
antibacterial
resistance.
In
this
study,
orange
peel
waste
(OPW)
was
for
selenium
nanoparticles'
(Se-NPs)
biosynthesis
through
green
and
ecofriendly
method,
their
applications
as
antibiofilm
agents.
Green
biosynthesized
Se-NPs
were
characterized
using
FTIR,
XRD,
SEM,
EDAX,
TEM.
Characterization
results
revealed
that
highly
crystalline,
spherical,
polydisperse,
had
sizes
in
range
16-95
nm.
The
evaluated
activities
against
bacteria.
Results
illustrated
exhibited
potential
activity
Gram-positive
(S.
aureus
ATCC
29213
biofilm-producing
clinical
isolates
S.
aureus)
Gram-negative
(Pseudomonas
aeruginosa
PAO1,
MDR,
biofilm,
quorum-sensing
producing
MDR
P.
aeruginosa,
E.
coli,
K.
pneumonia).
Moreover,
most
sensitive
at
1000
µg/mL,
where
inhibition
zone
35
mm
MIC
25
µg/mL.
Furthermore,
0.25
0.5
decreased
biofilm
significantly.
largest
noticed
pneumonia,
which
62%
92%
MIC,
respectively.
conclusion,
successfully
OPW
method
promising
bacteria,
can
be
later
fighting
resistant
Applied Biochemistry and Biotechnology,
Journal Year:
2023,
Volume and Issue:
196(1), P. 85 - 98
Published: April 26, 2023
Abstract
New
and
creative
methodologies
for
the
fabrication
of
silver
nanoparticles
(Ag-NPs),
which
are
exploited
in
a
wide
range
consumer
items,
significant
interest.
Hence,
this
research
emphasizes
biological
approach
Ag-NPs
through
Egyptian
henna
leaves
(
Lawsonia
inermis
Linn.)
extracts
analysis
prepared
Ag-NPs.
Plant
extract
components
were
identified
by
gas
chromatography
mass
spectrometry
(GC-mass).
The
analyses
carried
out
UV–visible
(UV–Vis),
X-ray
diffraction
(XRD),
transmission
electron
microscope
(TEM),
scanning
(SEM),
Fourier
transform
infrared
(FTIR)
analysis.
UV–Vis
reveals
that
have
maximum
peak
at
460
nm
visible
light.
Structural
characterization
recorded
peaks
corresponded
to
Bragg’s
diffractions
nano-crystal,
with
average
crystallite
sizes
varying
from
28
60
nm.
Antibacterial
activities
examined,
it
is
observed
all
microorganisms
very
sensitive
biologically
synthesized
Journal of Functional Biomaterials,
Journal Year:
2022,
Volume and Issue:
13(3), P. 112 - 112
Published: Aug. 2, 2022
In
the
current
study,
prickly
pear
peel
waste
(PPPW)
extract
was
used
for
biosynthesis
of
selenium
nanoparticles
through
a
green
and
eco-friendly
method
first
time.
The
biosynthesized
SeNPs
were
characterized
using
UV-Vis,
XRD,
FTIR,
TEM,
SEM,
EDX,
mapping.
Characterization
results
revealed
that
spherical,
polydisperse,
highly
crystalline,
had
sizes
in
range
10-87.4
nm.
Antibacterial,
antifungal,
insecticidal
activities
evaluated.
Results
exhibited
promising
antibacterial
against
Gram
negative
(E.
coli
P.
aeruginosa)
positive
(B.
subtilis
S.
aureus)
bacteria
where
MICs
125,
62.5,
15.62
µg/mL,
respectively.
Moreover,
showed
potential
antifungal
activity
toward
Candida
albicans
Cryptococcus
neoformans
3.9
7.81
Furthermore,
tested
crud
severely
induced
larvicidal
mosquitoes
with
LC50
LC90
219.841,
950.087
mg/L
75.411,
208.289
mg/L,
fecundity
hatchability
C.
pipiens
mosquito
significantly
decreased
as
applied
concentrations
increased
either
crude
or
fabricated
extracts.
conclusion,
have
antibacterial,
activities,
which
can
be
biomedical
environmental
applications.
