Authorea (Authorea),
Год журнала:
2023,
Номер
unknown
Опубликована: Апрель 21, 2023
The
process
and
mechanism
of
biomineralization
relevant
physicochemical
properties
mineral
crystals
are
remarkably
sophisticated
multidisciplinary
fields
that
include
biology,
chemistry,
physics,
materials
science.
components
the
organic
matter,
structural
construction
minerals,
related
mechanical
interaction,
etc.,
could
help
to
reveal
unique
nature
special
mineralization
process.
Herein,
paper
provides
an
overview
from
perspective
molecular
vibrational
spectroscopy,
including
biomineralized
tissues,
physiological
applied
mineralization.
These
characteristics
closely
hierarchical
biological
crystal
defects,
chemical
bonding,
atomic
doping,
changes,
content
changes
in
along
with
interface
between
biocrystals
matter
as
well
specific
effects
for
hardness
toughness.
Based
on
those
observations,
enamel
bone,
possible
pathological
calcification
such
atherosclerosis,
tumor
micro
mineralization,
urolithiasis
also
reviewed
discussed.
Indeed,
clearly
defined
pave
way
studies
mechanisms
applications.
Materials Research Express,
Год журнала:
2024,
Номер
11(8), С. 085007 - 085007
Опубликована: Авг. 1, 2024
Abstract
The
combination
of
electrospun
nanofibers
and
nanoparticles
is
opening
up
potential
in
the
field
bifunctional
materials.
Herein,
polystyrene
(PS,
Mw
≈
260,
000),
polyvinyl
pyrrolidone
(PVP,
≈1,
300,
poly(methyl
methacrylate)
(PMMA,
350,
000)
fibers
containing
Tb(acac)
3
phen
complexes
(acac:
acetylacetone,
phen:
1,10-phenanthroline)
Fe
O
4
(NPs)
were
synthesized
by
single-fluid
electrospinning
method.
structure
microfibers
was
characterized
x-ray
diffraction
(XRD),
scanning
electron
microscope
(SEM),
transmission
(TEM),
energy
spectrum
(EDAX)
infrared
(IR).
average
diameters
PS,
PVP
PMMA
are
1.65,
0.313
0.571
μm,
respectively.
TEM
images
indicated
that
NPs
successfully
incorporated
into
fibers.
No
absorption
peaks
terbium
can
be
seen
IR
spectra
luminescent
magnetic
properties
also
investigated.
Due
to
change
ligands
environment,
main
excitation
blue
shifted
about
5–8
nm
Bifunctional
exhibited
characteristic
emission
Tb
3+
ions.
polymers
have
no
effect
on
fluorescence
lifetimes
complexes.
All
soft
ferromagnetic.
In
addition,
mechanical
performances
these
studied.
maximum
stress,
strain
corresponding
stress
elastic
modulus
sample
PVP-Fe-Tb
largest,
which
indicates
tensile
performance
best.
Authorea (Authorea),
Год журнала:
2023,
Номер
unknown
Опубликована: Апрель 21, 2023
The
process
and
mechanism
of
biomineralization
relevant
physicochemical
properties
mineral
crystals
are
remarkably
sophisticated
multidisciplinary
fields
that
include
biology,
chemistry,
physics,
materials
science.
components
the
organic
matter,
structural
construction
minerals,
related
mechanical
interaction,
etc.,
could
help
to
reveal
unique
nature
special
mineralization
process.
Herein,
paper
provides
an
overview
from
perspective
molecular
vibrational
spectroscopy,
including
biomineralized
tissues,
physiological
applied
mineralization.
These
characteristics
closely
hierarchical
biological
crystal
defects,
chemical
bonding,
atomic
doping,
changes,
content
changes
in
along
with
interface
between
biocrystals
matter
as
well
specific
effects
for
hardness
toughness.
Based
on
those
observations,
enamel
bone,
possible
pathological
calcification
such
atherosclerosis,
tumor
micro
mineralization,
urolithiasis
also
reviewed
discussed.
Indeed,
clearly
defined
pave
way
studies
mechanisms
applications.
