Macromolecular Materials and Engineering,
Год журнала:
2023,
Номер
309(4)
Опубликована: Дек. 24, 2023
Abstract
The
widespread
use
of
disposable
facemasks
during
the
COVID‐19
pandemic
has
led
to
environmental
concern
due
microplastic
pollution.
Biodegradable
are
a
first
step
reducing
impact
pandemics.
Here,
high‐performance
facemask
components
based
on
novel
poly(ester
amide)s
(PEA)
grades
synthesized
from
biosourced
materials
and
processed
into
nonwoven
presented.
PEA‐based
polymers
present
an
excellent
compromise
between
mechanical
performance
biodegradability.
Importantly,
properties
PEA
can
easily
be
tuned
by
changing
ratio
ester
amide,
or
varying
diol
diacid
parts.
Seven
which
optimized
for
biodegradability
processability.
Among
them,
two
combines
1)
electrospinning
process
compatibility
with
2)
full
degradation
within
35
days,
using
normalized
biodegradation
test.
ultra‐thin
filters
thus
developed
evaluated
custom‐made
characterization
bench.
achieve
microparticle
capture
efficiency
air
permeability
comparable
commercial
filters.
Another
grade
is
reach
optimal
viscothermal
that
made
it
compatible
solvent‐free
melt‐spinning
as
demonstrated
continuous
fiber
production.
Overall,
this
environmentally
friendly
solution
paves
way
fabrication
fibers
next‐generation
facemasks.
Advanced Materials,
Год журнала:
2024,
Номер
36(15)
Опубликована: Янв. 17, 2024
Abstract
Nanotechnology
profoundly
affects
the
advancement
of
medicine.
Limitations
in
diagnosing
and
treating
cancer
chronic
diseases
promote
growth
nanomedicine.
However,
there
are
very
few
analytical
descriptive
studies
regarding
trajectory
nanomedicine,
key
research
powers,
present
landscape,
focal
investigative
points,
future
outlooks.
Herein,
articles
reviews
published
Science
Citation
Index
Expanded
Web
Core
Collection
from
first
January
2000
to
18th
July
2023
analyzed.
a
bibliometric
visualization
publication
trends,
countries/regions,
institutions,
journals,
categories,
themes,
references,
keywords
is
produced
elaborated.
Nanomedicine‐related
academic
output
increasing
since
COVID‐19
pandemic,
solidifying
uneven
global
distribution
performance.
While
China
leads
terms
quantity
has
numerous
highly
productive
USA
advantages
impact,
commercialization,
industrial
value.
Nanomedicine
integrates
with
other
disciplines,
establishing
interdisciplinary
platforms,
which
drug
delivery
nanoparticles
remain
points.
Current
focuses
on
integrating
nanomedicine
cell
ferroptosis
induction
immunotherapy.
The
keyword
“burst
testing”
identifies
promising
directions,
including
immunogenic
death,
chemodynamic
therapy,
tumor
microenvironment,
immunotherapy,
extracellular
vesicles.
prospects,
major
challenges,
barriers
addressing
these
directions
discussed.
Advanced Materials,
Год журнала:
2024,
Номер
36(26)
Опубликована: Март 28, 2024
Abstract
Over
the
past
few
decades,
significant
progress
in
piezo‐/triboelectric
nanogenerators
(PTEGs)
has
led
to
development
of
cutting‐edge
wearable
technologies.
Nanofibers
with
good
designability,
controllable
morphologies,
large
specific
areas,
and
unique
physicochemical
properties
provide
a
promising
platform
for
PTEGs
various
advanced
applications.
However,
further
nanofiber‐based
is
limited
by
technical
difficulties,
ranging
from
materials
design
device
integration.
Herein,
current
developments
based
on
electrospun
nanofibers
are
systematically
reviewed.
This
review
begins
mechanisms
advantages
nanodevices,
including
high
breathability,
waterproofness,
scalability,
thermal–moisture
comfort.
In
terms
structural
design,
novel
electroactive
structure
assemblies
1D
micro/nanostructures,
2D
bionic
structures,
3D
multilayered
structures
discussed.
Subsequently,
nanofibrous
applications
such
as
energy
harvesters,
personalized
medicine,
personal
protective
equipment,
human–machine
interactions
summarized.
Nanofiber‐based
still
face
many
challenges
efficiency,
material
durability,
stability,
Finally,
research
gap
between
practical
discussed,
emerging
trends
proposed,
providing
some
ideas
intelligent
wearables.
Processes,
Год журнала:
2024,
Номер
12(10), С. 2100 - 2100
Опубликована: Сен. 27, 2024
Nanofibers,
with
their
high
surface
area-to-volume
ratio
and
unique
physical
properties,
hold
significant
promise
for
a
wide
range
of
applications,
including
medical
devices,
filtration
systems,
packaging,
electronics,
advanced
textiles.
However,
development
commercialization
are
hindered
by
several
key
challenges
hazards.
The
main
issues
production
cost
yield,
voltage,
clogging,
toxic
materials
driven
complex
techniques,
which
limit
adoption.
Additionally,
there
environmental
health
concerns
associated
nanofiber
disposal,
necessitating
the
safer
more
sustainable
processes
materials.
Addressing
these
requires
continued
innovation
in
science
industrial
practices,
as
well
concerted
effort
to
balance
production,
material,
surrounding
condition
parameters.
This
study
emphasizes
hazards
electrospinning,
centrifugal
spinning,
solution
blow
electro-blown
wet
melt
spinning.
It
also
biopolymers
recycling
eco-friendly
practices
avoid
harming
environment
human
beings.
Emergent Materials,
Год журнала:
2024,
Номер
7(3), С. 765 - 800
Опубликована: Янв. 16, 2024
Abstract
The
filtration
of
airborne
particulate
matter
(PM)
and
aerosols
utilizing
nonwoven
fibrous
materials
has
received
significant
research
concern
due
to
the
continuing
global
pandemics,
especially
outbreak
coronavirus
disease
(COVID-19),
particularly
for
face
masks
as
a
measure
personal
protection.
Although
spun-bond
or
melt-blown
fabrics
are
among
pioneer
in
development
polymer
microfiber-based
air
filters
on
large
scale,
relatively
new
manufacturing
processes
like
electrospinning
solution
blow
spinning
(SBS)
gaining
momentum
manufacturers
filter
membranes.
high
performance
nanofiber
is
their
surface
area
volume
ratio
which
increases
interaction
between
PM
improves
electrostatic
charge
distribution
electret
filters,
allowing
enhanced
capture
capability
based
deposition.
Moreover,
small
diameter
nanofibrous
breathability
mask
by
providing
slip
effect,
turn
reduces
pressure
drop
through
membrane.
This
paper
provides
comprehensive
review
contemporary
advances
masks,
detailing
working
mechanism
involved,
reviewing
recent
experimental
studies,
discussing
improvements
efficiency
three
main
strategies,
including
mechanical
antimicrobial
functionality.
Furthermore,
prospective
introduced
considers
synergistic
combination
effects
mechanisms
designing
multifunctional
structure
that
can
efficiently
wide
range
with
higher
lower
drops
pressure.
New
trends
activity
smart
material-based
membranes
fight
against
infectious
agents
also
described.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(9), С. 10216 - 10225
Опубликована: Апрель 29, 2024
With
the
escalating
issue
of
air
pollution,
development
filtration
materials
that
can
efficiently
remove
particulate
pollutants,
particularly
nanosized
particles,
from
has
attracted
more
and
research
attention
in
recent
years.
Electrospun
nanofiber
membranes
with
a
nanoscale
pore
structure
have
been
widely
used
as
materials.
Along
these
lines,
this
work,
polyvinylidene
fluoride-co-hexafluoropropyle
(PVDF-HFP)
multihierarchical
gradient
were
fabricated
by
varying
sodium
dodecyl
sulfate
(SDS)
concentration.
The
proposed
was
composed
upper,
middle,
lower
layers,
which
could
effectively
filter
PM0.3.
decreased
diameter
increasing
SDS
concentration
attributed
to
low
surface
tension
high
charge
balance.
Compared
single-
double-hierarchical
PVDF-HFP
membranes,
triple-hierarchical
demonstrated
excellent
performance.
Among
them,
F014
yielded
optimal
performance,
exhibiting
efficiency
99.50%,
pressure
drop
71.4
Pa,
quality
factor
0.0878
Pa–1.
Furthermore,
maintained
above
99%
just
increased
27.4%
over
40
min
test,
indicated
showcased
exceptional
durability,
owing
structure.
Our
work
paves
way
for
fabrication
electrospun
using
straightforward
method,
highlighting
their
potential
an
alternative
traditional
various
practical
applications.
Macromolecular Materials and Engineering,
Год журнала:
2023,
Номер
309(9)
Опубликована: Окт. 20, 2023
Abstract
Electrospun
nanofibrous
membranes
have
attracted
significant
interest
due
to
their
captivating
waterproof
and
breathable
characteristics,
stemming
from
the
presence
of
interconnected
hydrophobic
channels
within
these
enhanced
textiles.
These
distinctive
traits
bestow
upon
them
substantial
potential
across
various
domains,
encompassing
applications
in
medical
dressings,
masks,
protective
clothing.
However,
they
also
give
rise
concerns
about
durability,
compromised
waterproofing
performance,
limited
breathability,
insufficient
mechanical
strength,
high
production
costs.
Furthermore,
manufacturing
processes
electrospun
(WBMs)
may
carry
adverse
environmental
implications,
necessitating
improvements
sustainability
ecological
compatibility.
This
study
begins
with
a
concise
overview
operational
principles
criteria
for
performance
evaluation
relevant
WBMs,
providing
comprehensive
guidelines
drive
future
research.
Following
this,
authors
delve
into
thorough
exploration
typical
fabrication
techniques
prevailing
strategies,
exemplified
by
noteworthy
ongoing
research
initiatives.
Last,
existing
challenges
are
outlined
foster
development
WBMs.
In
addition,
directions
perspectives
presented
expedite
advancement
WBMs
support
commercial
implementation.
It
is
anticipated
that
this
review
will
offer
pragmatic
recommendations
researchers
dedicated
