Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 17, 2024
Abstract
New
devices
inspired
by
flying
seeds,
or
more
technically
fruits
with
dispersal
units,
could
have
a
significant
impact
for
environmental
monitoring
and
aerial
seeding.
Among
the
various
types
of
units
(e.g.,
winged,
gliding),
parachuted
plumed
offer
lowest
vertical
descent
speed
(i.e.,
0.3–0.7
m
s
−1
),
making
them
an
appealing
solution
wind‐driven
distribution
over
large
areas.
Here,
biodegradable
porous
parachute
flier
based
on
cellulose
acetate,
Tragopogon
pratensis
fruit
is
presented.
A
micrometric‐thick
pappus
3D
printed
integrated
colorimetric
indicator
beak,
micrometric
pores,
fabricated
through
injection
molding
leaching
techniques.
Thanks
to
bioinspired
design
lightweight
structure,
artificial
mimics
aerodynamics
natural
species.
Its
feasibility
demonstrated
in
seeding
integrating
beak
mustard
seed
(as
model),
coupling
it
indicators
rain
pH
nitrate
levels
soils.
The
proposed
represents
advancement
as
first
parachute‐like
solution,
seamlessly
into
ecosystems,
thus
contributing
moving
step
forward
solutions
zero
impact.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(16), P. 19184 - 19193
Published: Aug. 15, 2024
Sulfide
ions
cause
considerable
health
risks
such
as
loss
of
olfactory
response,
organ
toxicity,
and
potentially
malignant
disorders.
In
this
report,
we
present
the
design
synthesis
a
reaction-driven
nanosensing
assembly
based
on
carbon
dots
(CDs),
cobalt
oxyhydroxide
nanoflakes
(CoOOH
NF),
1,2-bis(4-nitrobenzyl)
oxy)benzene
(DNBC)
to
detect
sulfide
in
aqueous
media.
The
sensing
mechanism
relies
formation
CDs-CoOOH
nanoconjugate
resulting
quenching
inherent
fluorescence
CDs
by
CoOOH
NF
via
inner
filter
effect
(IFE).
three-component
nanosensor,
protected
form
catechol,
DNBC
acts
pseudochemodosimeter.
Upon
addition
S2–,
it
reacts
with
leads
situ
generation
catechol
is
revived
due
catechol-mediated
reductive
disintegration
framework
release
fluorescent
CDs,
thus,
can
be
used
for
fast
selective
assay
ions.
This
CD-CoOOH-DNBC-based
nanosensor
displayed
nominal
response
toward
cations,
anions,
small
molecules,
several
other
reducing
agents
offered
low
limit
detection
0.77
ppb
(24
nM).
works
effectively
dissolved
H2S
gas
water
providing
linear
response.
practical
applicability
was
tested
determining
spiked
real
samples
good
recovery.
Solid-phase
S2–
demonstrated
using
sodium
alginate
beads
establish
ability
cost-effective
onsite
detection.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 17, 2024
Abstract
New
devices
inspired
by
flying
seeds,
or
more
technically
fruits
with
dispersal
units,
could
have
a
significant
impact
for
environmental
monitoring
and
aerial
seeding.
Among
the
various
types
of
units
(e.g.,
winged,
gliding),
parachuted
plumed
offer
lowest
vertical
descent
speed
(i.e.,
0.3–0.7
m
s
−1
),
making
them
an
appealing
solution
wind‐driven
distribution
over
large
areas.
Here,
biodegradable
porous
parachute
flier
based
on
cellulose
acetate,
Tragopogon
pratensis
fruit
is
presented.
A
micrometric‐thick
pappus
3D
printed
integrated
colorimetric
indicator
beak,
micrometric
pores,
fabricated
through
injection
molding
leaching
techniques.
Thanks
to
bioinspired
design
lightweight
structure,
artificial
mimics
aerodynamics
natural
species.
Its
feasibility
demonstrated
in
seeding
integrating
beak
mustard
seed
(as
model),
coupling
it
indicators
rain
pH
nitrate
levels
soils.
The
proposed
represents
advancement
as
first
parachute‐like
solution,
seamlessly
into
ecosystems,
thus
contributing
moving
step
forward
solutions
zero
impact.