The design, synthesis and application of metal organic frameworks-based fluorescence sensors
Chemical Communications,
Год журнала:
2024,
Номер
60(80), С. 11237 - 11252
Опубликована: Янв. 1, 2024
This
feature
article
summarizes
the
synthesis
and
application
of
metal–organic
framework-based
fluorescence
sensors.
Язык: Английский
Novel Insights into the Control of Sitophilus zeamais in Grain by Chitosan-Nanoparticle-Contained dsSzCOX
Journal of Agricultural and Food Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
Sitophilus
zeamais
is
a
highly
destructive
pest
of
stored
grains
worldwide.
To
develop
novel
RNA
insecticides,
the
double-stranded
S.
cytochrome
c
oxidase
(dsSzCOXs:
dsSzCOXI,
dsSzCOXII,
and
dsSzCOXIII)
was
successfully
expressed
in
pET28a-BL21(DE3)-RNaseIII-
system
remarkably
downregulated
expression
level
SzCOXs
through
injection
or
feeding
methods,
leading
to
high
mortalities
both
larvae
adults.
Under
their
optimal
conditions
(isopropyl
β-d-thiogalactoside,
0.6
mM),
yields
dsSzCOXI
(at
28
°C
for
4
h),
dsSzCOXII
37
6
dsSzCOXIII
h)
were
8.49,
5.80,
6.04
μg/mL
respectively.
The
chitosan-based
gene
delivery
composed
dsSzCOXs
(CS@dsSzCOXs)
established
insecticidal
effect
adults
via
mixing
wheat
seeds,
with
mortality
reaching
50%
on
day
ten.
Consequently,
this
nanoparticle-mediated
expected
be
an
effective
approach
control.
Язык: Английский
Metal-Organic Frameworks: An Overview of a Possible Solution for Modern Agriculture
Microporous and Mesoporous Materials,
Год журнала:
2025,
Номер
unknown, С. 113609 - 113609
Опубликована: Март 1, 2025
Язык: Английский
Water‐Resistant Fluoro‐Switchable MOF and Reconfigurable Bio‐Composite for Nanomolar Level Ultra‐Fast Monitoring of Organo‐Arsenic and Antibiotic Feed‐Additives
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 27, 2025
Abstract
A
mixed‐ligand‐based
novel
3D
Cd(II)‐based
metal‐organic
framework
(MOF)
is
devised
from
π‐electron‐rich
organic
struts
that
shows
two‐fold
interpenetrated
bilayer‐pillar
structure.
The
strong
luminescence
of
the
MOF
gets
remarkably
quenched
by
roxarsone
(ROX)
organo‐arsenic
in
water.
material
further
exemplifies
one‐of‐a‐kind
fluoro‐switchable
probe
for
antibiotics
and
exhibits
massive
turn‐off
emission
tetracycline
(TTC),
whereas
sulfamethazine
(SMZ)
triggers
an
unprecedented
120%
enhancement.
Apart
regenerative,
fast‐responsive,
selective
fluoro‐detection
all
three
feed‐additives,
particularly
significant
nanomolar
limits
detection
(LOD)
ROX
(48.9
n
m
),
LOD
SMZ
(33.9
)
ranks
lowest,
TTC
(22.8
stands
second
lowest
among
reported
sensory
MOFs.
Besides
varying
degrees
energy
transfer
contribution
TTC,
density
functional
theory
calculations
manifest
changes
levels
individual
organo‐aromatics
additionally
describe
framework–analyte
supramolecular
interactions.
sensor
works
equally
well
different
wastewater
specimens
a
wide
pH
range
with
good
recovery
percentage.
To
broaden
practical
scope
material,
cheap
MOF@paper
strip
as
reconfigurable
MOF@chitosan@paper
bio‐composite
developed
successfully
employed
instantaneous
monitoring
both
at
their
low
concentrations.
Язык: Английский
Triazine-Containing Pyridinium Organic Polymer Based on 4-Amino-1,8-naphthalimide Tröger’s Base for Selective Fluorescent Sensing of Organoarsenic Feed Additives in Water
ACS Measurement Science Au,
Год журнала:
2024,
Номер
5(1), С. 56 - 62
Опубликована: Окт. 24, 2024
A
new
triazine
containing
pyridinium
organic
polymer
(TB-Py-COP)
based
on
4-amino-1,8-naphthalimide
Tröger's
base
is
developed
and
employed
as
a
fluorescent
chemosensor
for
selective
sensing
of
organoarsenic
feed
additives
in
water.
TB-Py-COP
was
readily
synthesized
by
reacting
"V-shaped"
bis-[N-(4-pyridyl)methyl)]-9,18-methano-1,8-naphthalimide-[b,f][1,5]diazocine
with
cyanuric
chloride
DMF
at
100
°C
3
days.
exhibited
strong
fluorescence
emission
water
displayed
selective,
reversible
responses
the
roxarsone
additive
nanomolar
(19
nM)
level
sensitivity.
The
Stern-Volmer
quenching
constant
(K
SV)
determined
to
be
1.4
×
104
M-1.
further
demonstrated
competitive
environments,
lake
water,
buffer
solutions.
Язык: Английский
A Luminescent MOF-Based Sensor for Monitoring of an Anticancer Drug and a Pyrethroid Fungicide Biomarker in Wastewater and Biological Fluids
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(36), С. 47713 - 47723
Опубликована: Авг. 27, 2024
The
extensive
use
of
insecticides,
such
as
pyrethroids,
and
pharmaceutical
drugs,
doxorubicin
(DOX)
has
significantly
increased
to
meet
the
growing
demand
for
food
production
disease
treatment.
Among
them,
3-phenoxybenzoic
acid
(3-PBA),
a
metabolite
pyrethroid
poses
various
health
environmental
risks.
Similarly,
DOX
is
well-known
anticancer
drug
been
continuously
used
many
years.
high
unregulated
disposal
these
substances
raise
concerns
both
humans
environment.
To
address
this
issue,
there
pressing
need
monitor
presence
analytes
in
wastewater
protect
our
ecosystems.
This
challenge
inspired
us
develop
an
MOF-based
fluorometric
dual
sensor
capable
rapid
selective
detection
aqueous
solutions.
work
represents
first
probe
detecting
targeted
analytes.
There
was
98%
fluorescence
quenching
upon
introduction
whereas
about
11-fold
increment
probe's
intensity
took
place
3-PBA.
sensitivity
notably
limits
(LOD)
are
8.7
nM
1.2
Our
designed
highest
Язык: Английский