Heritage Science,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: July 11, 2024
Abstract
A
comprehensive
multi-analytical
investigation
was
conducted
on
a
piece
of
Longquan
celadon
excavated
from
the
Shengbeiyu
shipwreck
site
in
East
China
Sea.
This
study
focused
representative
type
tubular
bio-concretions
attached
to
submerged
celadon,
believed
have
been
formed
through
construction
activities
marine
tubeworm
belonging
benthic
phylum
Polychaeta
Annelids.
The
research
examined
microstructure,
composition
and
adhesion
form
these
bio-concretions,
aiming
elucidate
their
developmental
attachment
patterns
biomineralization
biofouling
perspective.
were
found
bimineralic
composition,
with
notably
higher
content
aragonite
than
calcite,
display
diverse
yet
highly
ordered
microstructures.
presence
organic
matter
within
indicates
an
matrix-controlled
crystallization
model,
commonly
observed
calcareous
tubes.
Microscopic
analyses
revealed
primary
degradation
microstructures
corresponding
phases
glaze
which
tubes
attached.
These
findings
closely
resembled
corrosion
characteristics
ceramic
without
bio-concretion
attachments,
as
documented
earlier
studies.
OM
SEM
observations
also
indicated
that
intricately
intermeshed
cracked
layer
celadon.
Additionally,
Raman
spectroscopic
analysis
detected
proteins
at
interface,
likely
residual
adhesives
secreted
by
fouling
organisms
cement
themselves
settlement
substrata,
suggesting
occurrence
organic-mediated
bio-adhesion
mechanisms.
results
shed
new
light
formation
process
interaction
underwater
ceramics.
simplified
mechanism
this
biologically-induced
has
discussed.
Solar
energy-driven
steam
generation
is
a
renewable,
energy-efficient
technology
that
can
alleviate
the
global
clean
water
shortage
through
seawater
desalination.
However,
contradiction
between
resistance
to
salinity
accretion
and
maintaining
high
evaporation
properties
remains
challenging
bottleneck.
Herein,
we
have
developed
biomimetic
multiscale-ordered
hydrogel-based
solar
evaporator
for
efficient
The
as-prepared
consists
of
highly
ordered
ultralong
hydroxyapatite
(HAP)
nanowires
as
supporting
backbone
heat
insulator,
MXene
sunlight
absorber,
hydrophilic
hyaluronic
acid
methacryloyl
(HAMA)
an
interfacial
bonding
agent,
modifier
reduce
enthalpy.
MXene/ultralong
HAP
nanowires/HAMA
(MHH)
photothermal
hydrogel
with
hierarchical
structure
mimics
fish-gill
structure.
alignment
realized
at
multiple
scales,
from
nanoscale
microscale
macroscale
1D
2D
3D
in
evaporator.
high-performance
MHH
exhibits
efficiency
conversion,
low
enthalpy,
excellent
management
capability,
performance.
enthalpy
decreases
2431
J
g-1
(pure
water)
1113
using
As
result,
realize
rate
6.278
kg
m-2
h-1
under
one
sun
illumination
(1
kW
m-2).
Moreover,
able
achieve
4.931
real
sample,
exhibiting
salt-rejecting
It
expected
has
promising
applications
desalination
wastewater
purification
sustainable
energy.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(5), P. 996 - 996
Published: Feb. 21, 2025
With
an
ultrahigh
aspect
ratio
and
a
similar
chemical
composition
to
the
biomineral
in
bone
tooth,
ultralong
hydroxyapatite
nanowires
(UHAPNWs)
exhibit
meritorious
combination
of
high
flexibility,
excellent
mechanical
performance,
biocompatibility,
bioactivity.
Despite
these
exciting
merits,
rapid
green
synthesis
UHAPNWs
remains
challenging.
In
this
work,
we
have
developed
environment-friendly,
rapid,
highly
efficient
ultrathin
by
microwave-assisted
calcium
oleate
precursor
hydrothermal
method
using
biogenic
creatine
phosphate
as
bio-phosphorus
source.
Owing
controllable
hydrolysis
bio-phosphorus-containing
heating
microwave
irradiation,
with
homogeneous
morphology
several
nanometers
diameter
(single
nanowire),
hundred
micrometers
length,
ratios
(>10,000)
can
be
rapidly
synthesized
within
60
min.
This
effectively
shortens
time
about
two
orders
magnitude
compared
traditional
method.
Furthermore,
are
decorated
situ
bioactive
self-assembled
into
nanowire
bundles
along
their
longitudinal
direction
at
nanoscale.
addition,
relatively
specific
surface
area
84.30
m2
g–1
ibuprofen
drug
loading
capacity.
The
flexible
bio-paper
constructed
from
interwoven
ibuprofen-loaded
sustainably
deliver
phosphate-buffered
saline,
which
is
promising
for
various
biomedical
applications
such
tissue
regeneration
anti-inflammatory
analgesic
functions.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Flexible
hybrid
minerals,
primarily
composed
of
inorganic
ionic
crystal
nanolines
and
a
small
amount
organic
molecules,
have
significant
potential
for
the
development
sustainable
structural
materials.
However,
weak
interactions
insufficient
crosslinking
among
limit
mechanical
enhancement
application
these
minerals
in
high-strength
Inspired
by
tough
biominerals
modern
reinforced
concrete
structures,
this
study
proposes
introducing
an
aramid
nanofiber
(ANF)
network
as
flexible
framework
during
polymerization
calcium
phosphate
oligomers
(CPO),
crosslinked
polyvinyl
alcohol
(PVA)
sodium
alginate
(SA).
This
approach
allows
formed
through
CPO
to
be
integrated
into
framework,
thereby
creating
mineral-based
materials
(inorganic
content:
70.7
wt.%),
denoted
PVA/SA/ANF/CPO
(PSAC).
The
multiple
intermolecular
between
phases,
combined
with
nano-reinforced
structure,
endow
PSAC
significantly
enhanced
tensile
strength
(86.6
±
8.6
MPa),
comparable
that
polymer
plastics.
Moreover,
possesses
excellent
plasticity
flame
retardancy.
noncovalent
molecular
within
enable
efficient
recyclability.
Consequently,
has
replace
plastics
components,
providing
promising
avenue
developing
toughness
Manufacturing Review,
Journal Year:
2025,
Volume and Issue:
12, P. 3 - 3
Published: Jan. 1, 2025
Hierarchical
honeycombs
are
particularly
useful
in
aerospace
industries
because
of
their
capability
to
overcome
challenges
related
bend-dominated
behaviour.
These
structures
ideal
for
aeronautical
applications
capacity
integrate
lightweight
design,
good
mechanical
properties,
and
efficient
load
distribution.
However,
the
efficacy
under
applied
loads
is
influenced
by
type
polygon
cell
typically
introduced
parent
hollow
structure.
The
current
literature
has
gaps
knowledge
regarding
highest
order
hierarchy
that
can
practically
be
achieved
hierarchical
with
different
shapes
at
vertices
or
walls.
This
review
paper
documents
work
carried
out
on
examine
behaviour
how
they
efficiently
designed.
first
section
highlights
deformation
use
today.
next
contains
a
discussion
constraints
determining
attainable
honeycombs,
geometric
parameters.
followed
relevant
hierarchically
built
honeycomb
parts
industries.
efficacy,
as
well
using
additive
manufacturing
building
then
highlighted.
Alternatives
future
studies
advances
sector
addressed
last
paper.
