Nanomaterials,
Год журнала:
2022,
Номер
12(19), С. 3484 - 3484
Опубликована: Окт. 5, 2022
In
this
paper,
we
propose
a
simple
two-step
method
for
the
synthesis
of
Ag,
Au,
and
Pt-doped
ZnO
nanoparticles.
The
is
based
on
fabrication
targets
using
pulsed
laser
deposition
(PLD)
technique
where
thin
layers
metals
(Ag,
Pt,
Au)
have
been
deposited
metal-oxide
bulk
substrate
(ZnO).
Such
formed
structures
were
used
as
target
production
doped
nanoparticles
(ZnO:
ZnO:
Pt)
by
ablation
in
water.
influence
Pt
doping
optical
properties,
structure
composition,
sizing,
morphology
was
studied
UV-Visible
(UV-Vis)
photoluminescence
(PL)
spectroscopies,
X-ray
diffraction
(XRD),
photoelectron
spectroscopy
(XPS),
scanning
electron
microscopy
(SEM),
transmission
(TEM),
respectively.
band-gap
energy
decreased
to
3.06,
3.08,
3.15
silver,
gold,
platinum-doped
compared
pure
(3.2
eV).
PL
spectra
showed
decrease
recombination
rate
electrons
holes
case
ZnO.
SEM,
TEM,
AFM
images
spherical-shaped
with
relatively
smooth
surface.
XRD
patterns
confirm
that
well
incorporated
inside
lattice
maintained
hexagonal
wurtzite
structure.
This
work
could
provide
new
way
synthesizing
various
materials.
European Journal of Pharmaceutics and Biopharmaceutics,
Год журнала:
2023,
Номер
192, С. 25 - 40
Опубликована: Сен. 20, 2023
The
use
of
nanotechnology
strategies
is
a
current
hot
topic,
and
research
in
this
field
has
been
growing
significantly
the
cosmetics
industry.
Inorganic
nanoparticles
stand
out
context
for
their
distinctive
physicochemical
properties,
leading
particular
to
an
increased
refractive
index
absorption
capacity
giving
them
broad
potential
cutaneous
applications
making
special
interest
dermopharmaceutical
cosmetic
purposes.
This
performance
responsible
its
heavy
inclusion
manufacture
skin
health
products
such
as
sunscreens,
lotions,
beauty
creams,
ointments,
makeup,
others.
In
particular,
suitable
bandgap
energy
characteristics
allow
be
used
photocatalytic
semiconductors.
They
provide
excellent
UV
absorption,
commonly
known
filters,
are
wide
worldwide
sunscreen
formulations
without
undesirable
white
residue
after
consumer
application.
addition,
based
on
inorganic
have
several
additional
relevant
formulation
development,
being
less
expensive
compared
other
nanomaterials,
having
greater
stability,
ensuring
irritation,
itching,
propensity
allergies.
review
will
address
detail
main
products,
titanium
dioxide,
zinc
oxide,
silicon
silver,
gold,
copper,
aluminum
nanoparticles,
nanocrystals,
quantum
dots,
reporting
characteristics,
but
also
intrinsic
properties
that
contribute
type
formulations.
Safety
issues
regarding
toxicity
studies,
both
humans
environment,
well
regulatory
affairs
associated
with
dermopharmaceuticals
cosmetics,
addressed.
Nanomaterials,
Год журнала:
2024,
Номер
14(5), С. 414 - 414
Опубликована: Фев. 23, 2024
Nanomaterials,
due
to
their
unique
structural
and
functional
features,
are
widely
investigated
for
potential
applications
in
a
wide
range
of
industrial
sectors.
In
this
context,
protein-based
nanoparticles,
given
proteins’
abundance,
non-toxicity,
stability,
offer
promising
sustainable
methodology
encapsulation
protection,
can
be
used
engineered
nanocarriers
that
capable
releasing
active
compounds
on
demand.
Zein
is
plant-based
protein
extracted
from
corn,
it
biocompatible,
biodegradable,
amphiphilic.
Several
approaches
technologies
currently
involved
zein-based
nanoparticle
preparation,
such
as
antisolvent
precipitation,
spray
drying,
supercritical
processes,
coacervation,
emulsion
procedures.
Thanks
peculiar
characteristics,
nanoparticles
targeted
application
fields
drug
delivery,
bioimaging,
or
soft
tissue
engineering,
reported
by
others.
The
main
goal
review
investigate
the
use
different
advanced
including
food/food
packaging,
cosmetics,
agriculture,
which
attracting
researchers’
efforts,
exploit
future
development
zein
NPs
field
cultural
heritage,
still
relatively
unexplored.
Moreover,
presented
overview
focuses
several
preparation
methods
(i.e.,
spry
drying),
correlating
analyzed
methodologies
NPs’
properties
capability
act
carriers
bioactive
compounds,
both
preserve
activity
tune
release
specific
working
conditions.
In
recent
decades,
the
accumulation
and
fragmentation
of
plastics
on
surface
planet
have
caused
several
long-term
climatic
health
risks.
Plastic
materials,
specifically
microplastics
(MPs;
sizes
<
5
mm),
gained
significant
interest
in
global
scientific
fraternity
due
to
their
bioaccumulation,
non-biodegradability,
ecotoxicological
effects
living
organisms.
This
study
explains
how
are
generated,
transported,
disposed
environment
based
sources
physicochemical
properties.
Additionally,
also
examines
impact
COVID-19
plastic
waste
production.
The
physical
chemical
techniques
such
as
SEM-EDX,
PLM,
FTIR,
Raman,
TG-DSC,
GC-MS
that
employed
for
quantification
identification
MPs
discussed.
paper
provides
insight
into
conventional
advanced
methods
applied
microplastic
removal
from
aquatic
systems.
finding
this
review
helps
gain
a
deeper
understanding
research
toxicity
humans,
organisms,
soil
ecosystems.
Further,
efforts
measures
been
enforced
globally
combat
MP
highlighted
need
be
explored
reduce
its
potential
risk
future.
Advances in Therapy,
Год журнала:
2022,
Номер
39(12), С. 5351 - 5375
Опубликована: Окт. 11, 2022
Nowadays,
numerous
skincare
routines
are
used
to
rejuvenate
aging
skin.
Retinoids
one
of
the
most
popular
ingredients
in
antiaging
treatments.
Among
representatives
retinoids,
tretinoin
is
considered
effective
agent
with
proven
effects
on
skin
and
can
be
found
formulations
approved
as
medicines
for
topical
treatment
acne,
facial
wrinkles,
hyperpigmentation.
Other
retinoids
present
various
indications,
but
only
tazarotene
also
adjunctive
fine
wrinkling
pigmentation.
The
commonly
such
retinol,
retinaldehyde,
retinyl
palmitate
contained
cosmeceuticals
regulated
cosmetics.
Since
clinical
efficacy
studies
not
required
marketing
cosmetic
formulations,
there
concerns
about
these
retinoids.
From
a
formulation
perspective,
pose
challenge
researchers
result
their
instability,
low
penetration,
potential
irritation.
Therefore,
novel
delivery
systems
based
nanotechnology
being
developed
overcome
limitations
conventional
improve
user
compliance.
In
this
review,
evidence
nanoformulations
treatments
was
evaluated.
addition,
an
overview
comparison
trials
between
other
presented.
general,
lack
from
properly
designed
support
claimed
agents
cosmeceuticals.
Of
medicines,
adapalene
have
clinically
evaluated
compared
may
alternatives
promising
retinoid
requires
more
comprehensive
evaluation
additional
preliminary
findings.
Molecules,
Год журнала:
2022,
Номер
27(5), С. 1669 - 1669
Опубликована: Март 3, 2022
"Flawless
skin
is
the
most
universally
desired
human
feature"
an
iconic
statement
by
Desmond
Morris.
Skin
indicates
one´s
health
and
so
important
that
it
affects
a
person's
emotional
psychological
behavior,
these
facts
having
propelled
development
of
cosmetics
industry.
It
estimated
in
2023,
this
industry
will
achieve
more
than
800
billion
dollars.
This
boost
due
to
new
cosmetic
formulations
based
on
nanotechnology.
Nanocarriers
have
been
able
solve
problems
related
active
ingredients
regarding
their
solubility,
poor
stability,
release.
Even
though
nanocarriers
evident
benefits,
they
also
present
some
high
cost,
low
shelf
life,
toxicity.
Regulation
legislation
are
two
controversial
topics
use
nanotechnology
field
cosmetics.
In
area,
U.S.
FDA
has
taken
lead
recommended
several
biosafety
studies
post-market
safety
evaluations.
The
lack
global
definition
identifies
nanomaterials
as
ingredient
hindrance
legislation.
EU,
stricter.
"The
cost
not
only
issue,
application
alternative
testing
methods
for
toxicity
crucial
importance
well".
Abstract
With
the
changing
disease
spectrum,
atherosclerosis
has
become
increasingly
prevalent
worldwide
and
associated
diseases
have
emerged
as
leading
cause
of
death.
Due
to
their
fascinating
physical,
chemical,
biological
characteristics,
nanomaterials
are
regarded
a
promising
tool
tackle
enormous
challenges
in
medicine.
The
emerging
discipline
nanomedicine
filled
huge
application
gap
atherosclerotic
field,
ushering
new
generation
diagnosis
treatment
strategies.
Herein,
based
on
essential
pathogenic
contributors
atherogenesis,
well
distinct
composition/structural
synthesis
strategies,
surface
design
nanoplatforms,
three
major
branches
(nanodiagnosis,
nanotherapy,
nanotheranostic)
elaborated.
Then,
state‐of‐art
studies
containing
sequence
representative
significant
achievements
summarized
detail
with
an
emphasis
intrinsic
interaction/relationship
between
nanomedicines
atherosclerosis.
Particularly,
attention
is
paid
biosafety
nanomedicines,
which
aims
pave
way
for
future
clinical
translation
this
burgeoning
field.
Finally,
comprehensive
review
concluded
by
proposing
unresolved
key
scientific
issues
sharing
vision
expectation
future,
fully
elucidating
closed
loop
from
atherogenesis
paradigm
advancing
early
achievement
applications.