Novel thermotropic system with UV-blocking ability for dynamic radiative cooling and synchronous visible/NIR tuning of windows in buildings in hot climate regions
Journal of Science Advanced Materials and Devices,
Год журнала:
2025,
Номер
unknown, С. 100907 - 100907
Опубликована: Май 1, 2025
Язык: Английский
POE‐Mediated Tunable Quantum Yield of Carbon Dots−Derived From Agapanthus Africanus (L.) Hoffmann Leaves
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 2, 2024
Abstract
The
green
synthesis
of
carbon
dots
(CDs)
from
natural
sources
is
a
challenging
goal.
Herein
CDs
are
produced
Agapanthus
africanus
(L.)
Hoffmann
leaves
by
carbonization
at
200/300
°C
for
2/3
h.
Samples
named
CZ‐X‐Y,
where
Z,
X,
and
Y
represent
carbonization,
temperature,
time,
respectively.
CZ‐200‐3,
CZ‐300‐2,
CZ‐300‐3
have
average
sizes
3.7
±
0.7,
5.3
1.2,
5.1
1.6
nm,
Their
surface,
devoid
chlorophyll,
contains
─OH,
─C═O,
─C(═O)OH
groups
sylvite.
Isolated
emits
400
nm
(excited
260
nm)
exhibits
an
emission
quantum
yield
(QY)
value
2
1%.
Embedding
in
the
d‐U(600)/d‐(900)
di‐ureasil
matrices
resulted
transparent
films
with
intensity
maxima
420/450
(360
nm),
QY
values
7
1/16
2%
(400
nm).
enhancement
bare
agrees
efficient
passivation
provided
hybrid
host.
hydrophilic
also
exerted
marked
surface
modifying
role,
changing
roughness
wettability
films.
Язык: Английский
Ecological adaptation of Australian Myrtaceae through the leaf waxes analysis: Corymbia citriodora, Eucalyptus gunnii, and Eucalyptus globulus
Flora,
Год журнала:
2023,
Номер
310, С. 152435 - 152435
Опубликована: Дек. 7, 2023
Seeking
to
get
insight
into
the
close
relationship
between
plant
waxes
and
climatic
conditions
of
plants'
original
biomes,
leaves
three
Myrtaceae
from
eastern
Australian-Tasmanian
region
(Corymbia
citriodora
(Hook.)
K.D.Hill
&
L.A.S.Johnson
(lemon-scented
gum),
Eucalyptus
gunnii
Hook.
(cider
globulus
Labill.
(blue
gum)
were
selected.
The
present
study
relied
on
analysis
juvenile
leaf
samples
species
collected
at
Botanical
Garden
University
Trás-os-Montes
e
Alto
Douro
(Portugal)
during
driest
warmest
period
year
(July),
ensure
same
environmental
as
Australian
December
February,
for
cider
gum
blue
gum,
June
September,
lemon-scented
gum.
Both
surfaces
exhibit
superhydrophobic
behavior.
They
are
covered
with
wax
tubules,
but
these
thicker
surface
is
smoother
in
case
From
chemical
standpoint,
revealed
a
prevalence
β-diketones
sterols
over
alcohols,
alkanes,
esters.
relative
ketone/sterol
concentration
ratio
demonstrated
an
dynamic
variation
climate,
i.e.,
ombrothermic
regimes.
highest
β-diketone
lowest
was
observed
dryer
whereas
reverse
trend
found
wetter
gum).
work
strongly
suggests
that
composition
waxes,
rather
than
wettability,
seems
be
directly
correlated
variability
species'
natural
site.
methodology
proposed
here
opens
exciting
new
prospects
investigation
dynamics
terrestrial
plants.
Язык: Английский
Crocosmia X Crocosmiiflora: Leaf Cuticle and Bioclimatic Variability
Опубликована: Янв. 1, 2024
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DOI
Язык: Английский
Epicuticular wax of red mangrove leaves from an urban bay: Chemical composition and micromorphology
Biochemical Systematics and Ecology,
Год журнала:
2024,
Номер
119, С. 104942 - 104942
Опубликована: Дек. 16, 2024
Язык: Английский
New Information of the Anatomy and Phytochemical Screening of Pentaclethra macroloba (Willd.) Kuntze (Caesalpinioideae-Leguminosae) Seeds
International Journal of Food Science,
Год журнала:
2023,
Номер
2023, С. 1 - 15
Опубликована: Ноя. 29, 2023
Pentaclethra
macroloba
(Willd.),
whose
common
name
is
"pracaxi,"
naturally
found
in
the
Amazon
region.
The
present
study
aimed
at
analyzing
anatomy,
seed
histochemistry,
and
chemical
composition
fatty
acid
profile
of
P.
oils.
Seeds
were
collected
cities
Belém,
Marituba,
São
Domingos
do
Capim-PA.
For
light
microscopy,
scanning
electron
seeds
sectioned
cross
longitudinal
sections
embryonic
axis
fixed
formaldehyde,
acetic
acid,
50%
ethyl
alcohol;
neutral-buffered
formalin;
formaldehyde
ferrous
sulfate
stored
70%
alcohol.
anatomical
study,
subjected
to
usual
techniques
plant
anatomy.
Histochemical
tests
performed
on
material,
freehand
sectioned,
embedded
histological
paraffin
with
DMSO.
was
determined
for
gas
chromatography
(GC-FID).
Integument
divided
into
three
strata,
monoseriate
exotesta,
mesotesta
formed
by
several
layers
parenchyma
cells,
endotesta,
compressed
cells.
Cotyledons
are
composed
thin-walled
cells
secretory
cavities
idioblasts.
main
metabolic
classes
lipids,
phenolic
compounds,
carbohydrates,
proteins,
alkaloids.
acids
oil
oleic,
behenic,
lignoceric,
linoleic.
have
important
characteristics
their
circumscription
Leguminosae
also
Caesalpinioideae,
rich
essential
human
diet,
providing
many
benefits
health,
such
as
belonging
omega
family
(linoleic,
oleic).
Язык: Английский
Pharmacognostical studies of the flower, leaf, root, and rhizome used for the identification and authentication of Agapanthus africanus (L.), cultivated in Egypt.
Journal of advanced Biomedical and Pharmaceutical Sciences,
Год журнала:
2023,
Номер
0(0), С. 41 - 52
Опубликована: Дек. 21, 2023
Agapanthus
africanus
[L.],
is
a
rhizomatous
evergreen
plant
with
fleshy
roots,
linear
leaves,
and
umbellate
inflorescence.It
native
to
southern
Africa
commonly
named
the
Nile
lily
or
African
lily.Regarding
how
closely
related
their
morphologies
are,
members
of
genus
have
proven
challenging
divide
into
distinct
species.Additionally,
no
documentation
was
detected
for
phytochemical
screening,
macro
micromorphology
A.
up
date.This
inspired
us
describe
flower,
leaf,
root,
rhizome
evaluate
its
phytoconstituents.This
study
demonstrated
that
free
from
any
trichomes
rich
various
forms
calcium
oxalate
crystals,
both
these
characteristics
help
define
under
investigation.Concomitantly,
fibrous
layer
anther,
papillosed
stigma,
ellipsoid,
non-spiny
pollen
grains,
were
recorded
in
morphology
flower
this
study.The
screening
investigated
presence
saponins,
phenolics,
flavonoids
as
major
constituents
underground
parts
africanus.As
expected,
resulted
more
precise
tool
taxonomical
identification
species
delimitation
Agapanthus.
Язык: Английский
Crocosmia x crocosmiiflora : leaf cuticle and bioclimatic variability
Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology,
Год журнала:
2024,
Номер
unknown, С. 1 - 14
Опубликована: Ноя. 22, 2024
A Look into the Ecological Adaptation of Australian Myrtaceae Through the Cuticle Analysis: Corymbia Citriodora, Eucalyptus Gunnii and Eucalyptus Globulus
Опубликована: Янв. 1, 2023
To
get
insight
into
the
close
relationship
between
plant
cuticles
and
climatic
conditions
of
their
original
biomes,
leaves
three
Myrtaceae
from
eastern
Australian-Tasmanian
region
(Corymbia
citriodora
(Hook.)
K.D.Hill
&
L.A.S.Johnson,
Eucalyptus
gunnii
Hook.f,
globulus
Labill.)
were
selected.
evaluate
how
variation
chemical
composition
governs
structural
organization
cuticular
waxes,
we
adopted
methodology
applied
in
previous
works
for
other
species
biomes.
The
studied,
which
are
exposed
to
arid
warm
thermopluviometric
conditions,
revealed
a
prevalence
β-diketones
sterols
over
alcohols
esters.
relative
ketone/sterol
content
demonstrated
dynamic
dependent
on
climate,
i.e.,
ombrothermic
regimes
(the
highest
concentration
β-diketone
lowest
observed
dryer
(C.
citriodora),
lower
concentrations
higher
contents
found
wetter
(E.
E.
globulus))
season
year
(higher
precipitation
temperatures
decreased
hydrophobicity
leaves).
These
changes
accompanied
by
subtle
variations
at
morphological
level.
String-like
needle-like
wax
crystalloids
cover
C.
citriodora,
globulus,
respectively,
whereas
thicker
tubules
seen
all
leaf
surface
gunnii.
Clusters
cases.
Some
helically
wound
also
detected
abaxial
leaf.
exhibit
superhydrophobic
behaviour
both
surfaces,
with
water
contact
angle
values
ranging
166.00±0.65º
179.00±4.53
º
gunnii,
tilting
angles
4
8°
7
14°
8
19°
citriodora.
proposed
opens
exciting
new
prospects
investigation
development
evolution
plants.
Язык: Английский