Internalization of hydroxyapatite nanoparticles in liver cancer cells
Journal of Materials Science Materials in Medicine,
Год журнала:
2007,
Номер
19(3), С. 1091 - 1095
Опубликована: Авг. 14, 2007
Язык: Английский
Characterization and Degradation Study of Calcium Phosphate Coating on Magnesium Alloy Bone Implant In Vitro
IEEE Transactions on Plasma Science,
Год журнала:
2009,
Номер
37(7), С. 1161 - 1168
Опубликована: Апрель 24, 2009
Magnesium
alloys
have
similar
mechanical
properties
with
natural
bone,
and
they
degrade
within
a
certain
time
span.
Therefore,
magnesium
are
suitable
to
be
made
as
bone
screws
or
plates.
However,
high
susceptibility
corrosion
has
limited
their
applications
in
the
orthopedic
field.
They
would
possess
great
medical
functions
if
degradation
rates
of
could
reduced.
This
paper
describes
approaches
form
calcium
phosphate
coating
on
alloy
(AZ31)
control
rate.
Samples
AZ31
were
placed
supersaturated
calcification
solution
prepared
Ca
(NO
3
)
xmlns:xlink="http://www.w3.org/1999/xlink">2
,
NaH
PO
xmlns:xlink="http://www.w3.org/1999/xlink">4
NaHCO
then,
was
formed.
The
composition,
phase
structure,
morphology
coatings
investigated.
behaviors
naked
coated
(Mg)
studied
simulated
body
fluid.
results
this
shown
that
significantly
decrease
rate
original
Mg
alloy,
indicating
is
promising
degradable
material.
Язык: Английский
<p>Effect of a dentifrice containing different particle sizes of hydroxyapatite on dentin tubule occlusion and aqueous Cr (VI) sorption</p>
International Journal of Nanomedicine,
Год журнала:
2019,
Номер
Volume 14, С. 5243 - 5256
Опубликована: Июль 1, 2019
Dentin
hypersensitivity
is
a
common
negative
oral
condition
that
can
be
treated
with
dentifrice
containing
hydroxyapatite
(HA).
The
study
evaluated
the
effect
of
nano-HA
on
plugging
dentinal
tubules
for
an
anti-sensitivity
reaction
compared
to
common-sized
particles.
Also,
adsorption
capacity
different
particle
sizes
HA
mixed
in
and
which
optimal
size
was
considered.Fourty
premolar
dentine
discs
fourty
molar
were
randomly
divided
into
4
groups:
distilled
water
group,
ordinary
group
80,
300
nm
group.
Each
dentin
disc
brushed
twice
daily
at
7600
rpm
under
100
g
force
2
mins
7
consecutive
days
two
parts,
half
detected
by
scanning
electron
microscope
(SEM)
energy
dispersive
spectrometer
(EDS),
other
observed
SEM.
One
milliliter
solution
(80
dentifrice,
dentifrice)
added
50
ml
potassium
dichromate
1,
14,
28
d.
residual
Chromium
(Cr6+)
concentration
supernatant
measured
diphenylcarbon
phthalocyanine
hydrazine
method.
elemental
constitution
precipitate
EDS.
Kruskal-Wallis
test
used
analyze
surface
mineralization
rates
tubules.
absorption
dentifrices
also
test.The
rate
higher
than
80
showed
best
result.
atomic
percentages
Ca
P
highest.
stable
Cr6+,
followed
desorption
phenomenon.The
HA,
especially
exerts
good
tubule
occlusion
effect.
This
adsorbent
Cr6+.
Язык: Английский
Repair of articular cartilage and subchondral defects in rabbit knee joints with a polyvinyl alcohol/nano-hydroxyapatite/polyamide 66 biological composite material
Journal of Orthopaedic Surgery and Research,
Год журнала:
2017,
Номер
12(1)
Опубликована: Ноя. 15, 2017
This
study
sought
to
prepare
a
new
PVA/n-HA/PA66
composite
investigate
the
repair
of
articular
cartilage
and
subchondral
defects
in
rabbit
knee
joints.
A
5
×
mm-sized
defect
was
created
patellofemoral
joints
72
healthy
adult
New
Zealand
rabbits.
The
rabbits
were
then
randomly
divided
into
three
groups
(n
=
24):
PVA/n-HA+PA66
group,
polyvinyl
alcohol
(PVA)
control
(untreated)
group.
Cylindrical
PVA/n-HA+PA66,
mm,
comprised
an
upper
PVA
layer
lower
n-HA+PA66
layer.
Macroscopic
histological
evaluations
performed
at
4,
8,
12,
24
weeks,
postoperatively.
Type
II
collagen
measured
by
immunohistochemical
staining.
implant/cartilage
bone
interfaces
observed
scanning
electron
microscopy.
At
weeks
postoperatively,
became
surrounded
cartilage,
with
no
obvious
degeneration.
In
enlarged
space
between
implant
host
tissue
that
had
undergone
become
calcified.
positive
type
staining
surrounding
on
surface.
slightly
increased
but
reduced
throughout.
Scanning
microscopy
showed
close
approximation
composite.
around
material
receded,
filled
tissue,
while
superior
aspect
disordered,
fibrous
tissue.
diphase
biological
exhibits
good
histocompatibility
offers
satisfactory
substitute
for
bone.
Язык: Английский
Preparation and HL-7702 cell functionality of titania/chitosan composite scaffolds
Journal of Materials Science Materials in Medicine,
Год журнала:
2008,
Номер
20(4), С. 949 - 957
Опубликована: Ноя. 26, 2008
Язык: Английский
Al2O3/diopside ceramic composites and their behaviour in simulated body fluid
Ceramics International,
Год журнала:
2010,
Номер
36(8), С. 2505 - 2509
Опубликована: Авг. 4, 2010
Язык: Английский
Preparation and comparison study of hydroxyapatite and Eu-hydroxyapatite
Frontiers of Materials Science in China,
Год журнала:
2009,
Номер
3(3), С. 255 - 258
Опубликована: Июнь 4, 2009
Язык: Английский
Ophthalmic Biomaterials
Опубликована: Янв. 1, 2024
Язык: Английский
Static friction of porous bioceramic β-TCP on intestinal mucus films
Biomedical Materials,
Год журнала:
2006,
Номер
1(3), С. 124 - 126
Опубликована: Июнь 20, 2006
The
static
friction
behavior
between
a
porous
bioceramic
material
and
an
intestinal
mucus
film
was
investigated
in
order
to
develop
new
intestine
robotic
endoscope.
Here,
the
couple
is
beta-tricalcium
phosphate
(beta-TCP)
artificial
film.
effect
of
pore
size
beta-TCP
on
investigated.
results
illustrated
that
this
system
there
relatively
small
normal
force
upon
wall
during
locomotion.
maximum
varies
with
material.
Язык: Английский