European Journal of Medical and Health Research,
Год журнала:
2024,
Номер
2(5), С. 153 - 172
Опубликована: Сен. 1, 2024
The
review
discusses
the
risks
posed
by
conventional
medical
imaging
methods,
including
radiation
exposure,
allergic
reactions,
and
environmental
contamination.
It
explores
recent
innovations,
such
as
advanced
modalities
like
photon-counting
computed
tomography
(CT)
scanners
ultra-high-field
magnetic
resonance
(MRI)
systems,
which
provide
high-resolution
images
with
reduced
doses.
Artificial
intelligence
(AI)
further
enhances
field
automating
tasks,
improving
image
analysis,
personalizing
protocols,
real-time
predictive
monitoring.
Non-invasive
techniques,
elastography
photoacoustic
imaging,
are
highlighted
for
minimizing
reliance
on
ionizing
radiation.
AI-driven
strategies
also
address
concerns
through
use
of
biodegradable
contrast
agents
energy-efficient
technologies.
Economic
assessments
reveal
cost-effectiveness
technologies
their
impact
healthcare
budgets
while
acknowledging
persistent
disparities
in
access.
examines
radiation:
long-term
broad-ranging
adverse
health
impacts
how
new
techniques
aim
to
eliminate
or
mitigate
these
effects.
considers
advancements
AI
improve
diagnostic
accuracy
workflow
efficiency.
Also,
integration
genomics
telemedicine
is
discussed,
alongside
efforts
economic
accessibility
challenges
promote
sustainable
practices.
Imaging
technology
innovations
transforming
practices
addressing
existing
challenges,
ongoing
innovation
collaboration
essential
optimizing
benefits
patients,
staff,
environment.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(14), С. 4755 - 4832
Опубликована: Янв. 1, 2023
Diversification
of
polymer
waste
recycling
is
one
the
solutions
to
improve
current
environmental
scenario.
Upcycling
a
promising
strategy
for
converting
into
molecular
intermediates
and
high-value
products.
Although
catalytic
transformations
small
molecules
have
been
actively
discussed,
methods
characteristics
upcycling
new
materials
not
yet
addressed.
Recently,
functionalisation
wastes
(polyethylene
terephthalate
bottles,
polypropylene
surgical
masks,
rubber
tires,
etc.)
their
conversion
with
enhanced
functionality
proposed
as
an
appealing
alternative
dealing
recycling/treatment.
In
this
review,
term
'functional
upcycling'
introduced
designate
any
method
post-polymerisation
modification
or
surface
without
considerable
chain
destruction
produce
upcycled
material
added
value.
This
review
explores
functional
detailed
consideration
most
common
polymers,
i.e.,
polystyrene,
poly(methyl
methacrylate),
polyethylene,
polypropylene,
polyurethane,
polyethylene
terephthalate,
polyvinyl
chloride,
polycarbonate,
rubber.
We
discuss
composition
plastic
waste,
reactivity,
available
physical/chemical
agents
modification,
interconnection
between
properties
application.
To
date,
successfully
applied
adsorbents
(including
CO2),
catalysts,
electrode
energy
storage
sensing,
demonstrating
high
Importantly,
reviewed
reports
indicated
that
specific
performance
generally
comparable
higher
than
similar
prepared
from
virgin
feedstock.
All
these
advantages
promote
diversification
approach
against
postprocessing
employed
waste.
Finally,
identify
limitations
suggest
future
scope
research
each
polymer,
we
comparatively
analysed
aspects
those
chemical
mechanical
recycling,
considering
resource
costs,
toxicity
used
chemicals,
footprint,
value
product.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(15), С. 12368 - 12368
Опубликована: Авг. 2, 2023
The
use
of
Polypropylene
PP
in
disposable
items
such
as
face
masks,
gloves,
and
personal
protective
equipment
has
increased
exponentially
during
after
the
COVID-19
pandemic,
contributing
significantly
to
microplastics
nanoplastics
environment.
Upcycling
waste
provides
a
useful
alternative
traditional
thermal
mechanical
recycling
techniques.
It
transforms
into
products,
minimizing
its
impact
on
Herein,
we
synthesized
an
oil-sorbent
pouch
using
PP,
which
comprises
superposed
microporous
fibrous
thin
films
spin
coating.
exhibited
super-fast
uptake
kinetics
reached
saturation
fewer
than
five
minutes
with
high
oil
value
85
g/g.
Moreover,
it
displayed
reusability
was
found
be
effective
absorbing
up
seven
times
when
mechanically
squeezed
between
each
cycle,
demonstrating
robust
oil-sorption
capabilities.
This
approach
offers
potential
solution
for
managing
plastic
while
promoting
circular
economy.
Materials Horizons,
Год журнала:
2024,
Номер
11(11), С. 2718 - 2728
Опубликована: Янв. 1, 2024
Cold
sintering
enabled
the
upcycling
of
polypropylene
with
gypsum
(CaSO
4
)
into
a
fully
recyclable
composite,
paving
way
for
integration
waste
high-performance,
composites.
Polymers,
Год журнала:
2023,
Номер
15(5), С. 1130 - 1130
Опубликована: Фев. 23, 2023
Hospitals
generate
huge
amounts
of
nonwoven
residues
daily.
This
paper
focused
on
studying
the
evolution
waste
generated
in
Francesc
de
Borja
Hospital,
Spain,
over
last
few
years
and
its
relation
to
COVID-19
pandemic.
The
main
objective
was
identify
most
impacting
pieces
equipment
hospital
analyze
possible
solutions.
carbon
footprint
studied
through
a
life-cycle
assessment.
results
showed
an
apparent
increase
from
2020.
Additionally,
due
higher
annual
volume,
simple
gown
used
primarily
for
patients
had
year
than
more
sophisticated
surgical
gowns.
It
can
be
concluded
that
developing
local
circular
economy
strategy
medical
could
solution
avoid
enormous
generation
production.
Frontiers in Biomaterials Science,
Год журнала:
2023,
Номер
2
Опубликована: Ноя. 10, 2023
Biomaterials
undergo
a
transformative
journey,
from
their
origin
as
renewable
resources
to
the
manufacturing
plants
where
they
are
processed
and
stored,
until
fulfill
intended
therapeutic
or
diagnostic
purposes
become
medical
waste.
However,
during
this
life
cycle,
biomaterials
can
be
susceptible
contamination
subsequent
degradation
through
various
mechanisms
such
hydro-mechanical,
thermal,
biochemical
processes
in
water,
soil,
air.
These
factors
raise
significant
concerns
regarding
biological
safety.
Additional
complexities
arise
potential
amalgamation
of
with
other
materials,
either
same
kind
different
types.
Use
influences
porosity,
surface
chemistry,
structural
strength,
these
affect
biomaterials’
reusability.
Given
multitude
processing
parameters,
sustainability
requirements,
limitation
natural
resources,
recycling
becomes
necessary.
Unfortunately,
topic
has
received
limited
attention
thus
far.
In
context,
perspective
provides
brief
overview,
analysis,
classification
reports
on
recycling,
aiming
initiate
discussion
frequently
overlooked
subject.
We
highlight
challenges
related
energy
consumption
environmental
pollution.
lack
established
protocols
reporting
prevents
comprehensive
understanding
solutions.
Nevertheless,
addressing
issues
lead
more
efficient
resource
use
reduced
impact
field
biomaterials.
Sustainability,
Год журнала:
2024,
Номер
16(9), С. 3513 - 3513
Опубликована: Апрель 23, 2024
The
healthcare
sector
represents
a
major
source
of
waste
production,
and
workers
(HCWs)
are
crucial
in
management.
Educational
interventions
(EIs)
can
be
delivered
through
single
component
(mono-component)
or
by
combining
different
components
(multi-component);
although
they
have
potential
impact
on
the
sustainability
healthcare,
their
effectiveness
management
still
needs
to
identified.
aim
this
systematic
review
meta-analysis
was
describe
EIs
improve
knowledge,
attitudes,
practices
among
HCWs
provide
an
estimate
effectiveness.
Six
relevant
databases
were
searched;
24
articles
included,
19
meta-analyzed.
These
mainly
from
low-income
countries
did
not
consider
for
recycling,
reducing,
reusing.
Compared
mono-component
EIs,
multi-component
Eis
showed
higher
statistically
significant
positive
post-intervention
effect
with
greater
retention
medium–long
term,
practices,
particularly
non-hands-on
HCWs.
effects
attitudes
significant.
Our
results
suggest
that
should
preferred
standards
sector.
Given
heterogeneity
found
standardization
types,
content,
duration,
assessment
methods
considered.
Finally,
harmonization
at
global
level
could
influence
international
national
policies
sustainability.