Journal of Vinyl and Additive Technology,
Journal Year:
2023,
Volume and Issue:
30(3), P. 663 - 676
Published: Dec. 10, 2023
Abstract
This
research
aimed
to
produce
thermochromic
composite
filaments
by
utilizing
poly(lactic
acid)
(PLA)
as
a
matrix
and
two
distinct
additives
(red
yellow
colors).
To
with
ratios
ranging
from
10
40
phr,
different
quantities
of
masterbatch
were
integrated
into
the
PLA
through
an
extrusion
process.
The
physical,
mechanical,
thermal
properties,
behavior
further
examined.
results
indicated
that
had
minimal
impact
on
mechanical
while
also
revealing
two‐phase
separation
between
smooth
spherical
particle
in
filaments.
Moreover,
analysis
revealed
increase
ratio
masterbatches
led
more
pronounced
coloration
clearer
color
changes,
especially
red
thermochromics
indicating
temperature
variations
below
22°C
over
65°C,
respectively.
sample
containing
phr
exhibited
most
intense
noticeable
change.
Furthermore,
these
can
be
utilized
3D
print
various
prototype
products.
Highlights
Thermochromic
bioplastic
for
printing
successfully
prepared.
unveiled
vivid
changes.
Journal of Applied Polymer Science,
Journal Year:
2023,
Volume and Issue:
141(12)
Published: Dec. 27, 2023
Abstract
This
study
investigated
incorporating
fish
scale
powder
(FSP)
as
a
bio‐filler
into
polylactic
acid
(PLA)
raw
material
for
polymeric
3D
printing.
The
PLA/FSP
filaments
were
evaluated
various
properties
(tensile
strength,
tensile
modulus,
elongation,
diameter
deviation,
thermogravimetric
analysis,
surface
roughness,
and
SEM
analysis)
at
different
compositions
(PLA,
PLA/FSP10,
PLA/FSP20,
PLA/FSP30
wt%).
results
revealed
that
PLA
reinforced
with
20
wt%
FSP
achieved
the
highest
modulus
is
44.49
MPa
2.83
GPa.
neat
10
exhibited
minor
deviations
of
+0.002
−0.002.
roughness
filament
notably
higher,
registering
value
1.459
μm.
finding
highlights
importance
considering
characteristics
in
selection
printing
applications.
microscopic
analysis
confirmed
uniform
distribution
particles
composition
filaments.
These
suggest
(20
wt%)
an
optimal
feedstock
printing,
especially
developing
biomaterials
like
bio‐scaffolds.
Journal of environmental chemical engineering,
Journal Year:
2023,
Volume and Issue:
11(6), P. 111123 - 111123
Published: Sept. 26, 2023
As
the
photocatalytic
generation
of
hydrogen
peroxide
continues
to
gather
increasing
interest,
there
is
a
significant
need
introduce
more
sustainable
methods
monitor
reaction
process.
The
fabrication
low-cost
electrochemical
sensors
offers
an
enticing
alternative
current
standard
methods.
This
study
reports
first
use
sensor
such
A
highly
reproducible
3D
printed
carbon
black-poly
lactic
acid/copper
with
extremely
low
cost
€0.012
was
employed
accurately
evolution
peroxide.
accuracy
confirmed
through
strong
correlation
fluorescence
spectroscopic
method.
displayed
limit
detection
and
quantification
values
0.24
µM
0.79
respectively,
sensitivity
217
µA
mM-1
cm2,
while
also
showing
selectivity
towards
in
presence
potential
interfering
species.
Moreover,
electrocatalytic
surface
capable
≥3x
regeneration
without
loss
activity
bringing
≥75%
decrease
analysis
reduction
waste
material.
novel
approach
monitoring
presents
as
economical
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(13), P. e33872 - e33872
Published: July 1, 2024
Biofilm-associated
wound
infections
in
diabetic
and
immunocompromised
patients
are
an
increasing
threat
due
to
rising
antibiotic
resistance.
Various
models
have
been
used
screen
for
efficient
antiinfection
treatments.
However,
results
from
vitro
do
not
always
match
vivo
results,
this
represents
a
bottleneck
development
of
new
infection
In
study,
static
2-D
microtiter
plate-based
biofilm
model
was
tested
growing
clinically
relevant
Staphylococcus
aureus
isolates
various
operating
conditions,
seeking
identify
optimal
setup
that
would
yield
physiologically
results.
Specifically,
the
variables
included
wound-mimicking
growth
media,
precoating
surface
with
different
proteins,
multiwell
plates
properties,
effect
bacterial
pre-attachment
step.
Our
indicated
protein
is
key
factor
supporting
growth.
The
same
isolate
responded
significant
differences
formation
media.
Biofilm
dispersal,
as
proxy
effectiveness
antibiofilm
treatments,
also
investigated
response
proteinase
K.
dispersal
K
showed
contingent
upon
specific
isolate,
CCUG
35571
ATCC
6538
showing
considerable
responses.
conclusion,
study
observed
higher
when
collagen
type
I
applied
but
being
dependent
on
media
selected.
That
why
we
recommend
use
simulated
fluid
or
perform
similar
studies.
Furthermore,
suggested
important
could
affect
within
such
models,
since
induced
precoated
plates.
We
overview
recent
findings
achieved
in
the
field
of
model-driven
development
additively
manufactured
porous
materials
for
a
new
generation
bioactive
implants
orthopedic
applications.
Porous
structures
produced
biocompatible
titanium
alloys
by
selective
laser
melting
can
present
promising
material
to
design
scaffolds
with
regulated
mechanical
properties
and
capacity
be
loaded
pharmaceutical
products.
Adjusting
pore
geometry,
one
could
control
elastic
modulus
strength/fatigue
engineered
compatible
bone
tissues,
thus
preventing
stress
shield
effect
when
replacing
diseased
fragment.
Adsorption
medicals
internal
spaces
would
make
it
possible
emit
antibiotic
anti-tumor
agents
into
surrounding
tissues.
critically
analyze
advances
featuring
model
approaches,
virtual
testing
designed
structures,
capabilities
additive
printing
biomedical
issues
so
on.
A
special
attention
is
paid
highlight
current
troubles
ways
their
solutions.
Thermal Science,
Journal Year:
2024,
Volume and Issue:
00, P. 121 - 121
Published: Jan. 1, 2024
Based
on
the
optical
holography
method,
studies
of
occurrence
and
development
convective
flows
in
hydrogels
various
concentrations
with
addition
graphene
oxide
relation
to
3D-bioprinting
technology
have
been
performed.
For
quantitative
measurement
temperature
fields,
method
was
used
combination
gradient
thermometry
based
dependence
refractive
index
properties
hydrogel
systems
modified
different
temperatures.
Under
conditions
changes
thermophysical
hydrogels,
as
well
magnitude
supplied
heat
flux,
features
heating
wall
area
are
studied
order
determine
coefficients
thermal
conductivity
capacity,
nature
formation
near
heated
from
below.
Pharmaceutical Development and Technology,
Journal Year:
2023,
Volume and Issue:
28(9), P. 826 - 842
Published: Oct. 3, 2023
AbstractThe
necessity
for
personalized
patient
treatment
has
drastically
increased
since
the
contribution
of
genes
to
differences
in
physiological
and
metabolic
state
individuals
have
been
exposed.
Different
approaches
considered
so
far
order
satisfy
all
diversities
needs,
yet
none
them
fully
implemented
thus
far.
In
this
framework,
various
types
2D
printing
technologies
identified
offer
some
potential
solutions
medication,
which
development
is
increasing
rapidly.
Accurate
drug-on-demand
deposition,
possibility
consuming
multiple
drug
substances
one
product
adjusting
individual
concentration
are
just
few
benefits
over
existing
bulk
pharmaceuticals
manufacture,
brings.
With
inclusion
nanotechnology
by
nanoparticles
from
its
dispersions
further
opportunities
such
as
controlled
stimuli-responsive
release
or
targeted
dose
depending
on
delivery
were
highlighted.
Yet,
there
still
challenges
be
solved
before
products
can
reach
pharmaceutical
market.
those
terms
mostly
chemical,
physical
well
microbiological
stability
concerns
should
answered,
with
technology
could
meet
needs
every
fulfill
drawbacks
large-scale
batch
production
we
possess
today.Keywords:
Personalized
therapy2D
printinginkjet
printerflexographic
printerprinting
cartridgesnanoparticle
dispersionbiocompatible
substrates
AcknowledgmentsThe
author
gratefully
acknowledges
financial
support
Slovenian
Research
Agency
(program
code
P1-0189)
University
Ljubljana,
Faculty
Pharmacy.Disclosure
statementThe
report
no
competing
interests
declare.Additional
informationFundingThe
author(s)
reported
funding
associated
work
featured
article.
Journal of Vinyl and Additive Technology,
Journal Year:
2023,
Volume and Issue:
30(3), P. 663 - 676
Published: Dec. 10, 2023
Abstract
This
research
aimed
to
produce
thermochromic
composite
filaments
by
utilizing
poly(lactic
acid)
(PLA)
as
a
matrix
and
two
distinct
additives
(red
yellow
colors).
To
with
ratios
ranging
from
10
40
phr,
different
quantities
of
masterbatch
were
integrated
into
the
PLA
through
an
extrusion
process.
The
physical,
mechanical,
thermal
properties,
behavior
further
examined.
results
indicated
that
had
minimal
impact
on
mechanical
while
also
revealing
two‐phase
separation
between
smooth
spherical
particle
in
filaments.
Moreover,
analysis
revealed
increase
ratio
masterbatches
led
more
pronounced
coloration
clearer
color
changes,
especially
red
thermochromics
indicating
temperature
variations
below
22°C
over
65°C,
respectively.
sample
containing
phr
exhibited
most
intense
noticeable
change.
Furthermore,
these
can
be
utilized
3D
print
various
prototype
products.
Highlights
Thermochromic
bioplastic
for
printing
successfully
prepared.
unveiled
vivid
changes.
