Critical Reviews in Food Science and Nutrition,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 19
Published: Dec. 30, 2024
Multi-target
detection
technology
in
food
plays
a
key
role
the
field
of
analysis,
which
can
comprehensively
and
accurately
assess
levels
multiple
residues
food,
thus
ensuring
safety
quality.
In
recent
years,
smart
nanostructured
molecular
logic
technologies
(SNMLT)
have
been
widely
employed
multiplex
detection.
Of
these,
component
materials-based
SNMLT
attracted
much
attention
owing
to
their
rapid
response,
multifunctionality,
programmability,
high
sensitivity.
Nevertheless,
there
is
no
review
focusing
on
sensing
platform
for
multi-target
current
review,
principles
operation
classification
were
first
described,
followed
by
summary
materials
signal
output
strategies
SNMLT.
Besides,
applications
assay,
including
physical,
biological,
chemical
hazard
factors
quality
also
highlighted.
Finally,
future
challenges
summarized
discussed.
The
indicates
that
has
advantages
wide
range,
strong
anti-interference
ability,
ability
analyze
target
analytes
simultaneously
research
focus
combining
with
artificial
intelligence
develop
inexpensive
easy-to-use
devices.
Chemosensors,
Journal Year:
2024,
Volume and Issue:
12(5), P. 79 - 79
Published: May 9, 2024
A
new
water-soluble
polyamidoamine
(PAMAM)
dendrimer
modified
with
4-sulfo-1,8-naphthalimide
(DSNI)
and
its
monomeric
structural
analogue
(MSDI)
were
synthesized.
Their
photophysical
properties
investigated
in
organic
solvents
of
different
polarities
aqueous
solutions.
The
effect
pH
on
fluorescence
intensity
was
determined.
It
found
that
the
emits
blue
an
acidic
medium,
which
is
quenched
alkaline
environment.
This
phenomenon
due
to
possibility
suppression
nonradiative
photoinduced
electron
transfer
media.
influence
metal
ions
(Cu2+,
Pb2+,
Sn2+,
Sr2+,
Mg2+,
Ba2+,
Co2+,
Hg2+,
Zn2+,
Ni2+,
Fe3+,
Al3+)
anions
(CN−,
S2−,
S2O52−,
HPO42−,
H2PO4−,
F−,
CH3COO−,
NO2−,
CO32−,
SO42−)
emitted
studied.
Quenching
only
presence
Cu2+.
makes
suitable
for
determining
copper
water
solutions
other
anions.
Additionally,
DSNI
used
as
a
ligand
obtain
stable
complex,
structure
by
paramagnetic
resonance
(EPR),
infrared
spectrum,
elemental
analysis.
Two
form
complex
one
dendrimer.
vitro
microbiological
activity
compounds
against
bacteria
Pseudomonas
aeruginosa
two
viruses
HRSV-2
HAdV-5
investigated.
With
view
obtaining
antibacterial
anti-viral
textiles,
cotton
fabrics
treated
three
compounds,
then
their
same
microbial
strains
preserved
after
application
fabrics.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Inspired
by
the
natural
responsive
phenomena,
herein
multiple
persistent
luminescent
Zn
1.2
Ga
1.6
Ge
0.2
O
4
:Ni
2+
(ZGGO:Ni)
nanoparticles
with
near‐infrared
(NIR)
II
emission
peak
≈1330
nm
derived
from
Ni
doping
through
controlled
synthesis
based
on
hydrothermal
method
are
obtained.
The
obtained
NIR
ZGGO:Ni
can
not
only
respond
to
temperature
but
also
specific
solvent
stimulus.
results
demonstrate
that
luminescence
intensity
decreases
in
hydroxyl
containing
such
as
water
(H
2
O)
and
ethyl
alcohol
(C
H
6
O),
while
PL
remains
without
groups
n‐hexane
14
)
deuterated
(D
O).
This
quenching
is
attributed
adsorption
of
interaction
solvents
amino
group
surface
subsequent
fluorescence
resonance
energy
transfer
mechanism.
Benefiting
properties,
utilized
for
high‐order
dynamic
optical
information
encryption,
providing
increased
security
level.
multi‐responsive
strategy
outlined
this
study
anticipated
offer
a
straightforward
methodology
optimizing
characteristics
materials.
Moreover,
it
set
expand
scope
their
applications
realm
environment‐interactive
thereby
opening
frontiers
utilization
advanced
measures.
Analytica—A Journal of Analytical Chemistry and Chemical Analysis,
Journal Year:
2023,
Volume and Issue:
4(4), P. 456 - 499
Published: Nov. 7, 2023
Optical
detection
devices
have
become
an
analytical
tool
of
interest
in
diverse
fields
science.
The
search
for
methods
to
identify
and
quantify
different
compounds
has
transposed
this
curiosity
into
a
necessity,
since
some
constituents
threaten
the
safety
life
all
its
forms.
In
context,
30
years
ago,
Prof.
Prasanna
de
Silva
presented
idea
sensors
as
Molecular
Logic
Gates
(MLGs):
molecule
that
performs
logical
operation
based
on
one
or
more
inputs
(analytes)
resulting
output
(optical
modification
such
fluorescence
absorption).
review,
we
explore
implementation
MLGs
interference
second
input
(second
analyte)
suppressing
even
blocking
first
(first
analyte),
often
INHIBIT-type
gates.
This
approach
is
interesting
because
it
not
related
attached
detecting
groups
MLG
but
relation
between
input.
sense,
flexible
versatile
can
be
straightforwardly
designed
selection.
To
illustrate
these
cases,
selected
examples
seeking
diversify
analytes
interfering
analytes),
outputs
(turn
on,
turn
off),
optical
response
(fluorescent/colorimetric),
applicability
MLGs.
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
12(31)
Published: July 30, 2024
Abstract
Supramolecules
are
considered
a
promising
approach
for
molecular
logic
gates
due
to
their
inherent
dynamic
responsiveness
driven
by
non‐covalent
forces.
However,
the
lack
of
input
sequence
dependence
in
these
may
lead
misinterpretation
outputs,
compromising
reliability.
This
study
proposes
an
efficient
universal
supramolecular
Förster
resonance
energy
transfer
(FRET)
platform
with
self‐locking
features.
Specifically,
well‐designed
naphthalene‐based
monomers
serve
as
donors,
while
dyes
such
eosin
Y
(EY),
rhodamine
B
(RhB),
and
sulforhodamine
101
(SR101),
spanning
from
yellow
red,
employed
acceptors.
Leveraging
large
exciton
migration
rates
(1.21
×
10
14
1.36
L
mol
−1
s
)
between
donor
acceptors,
FRET
processes
effectively
facilitated.
Building
upon
this
framework,
features
successfully
constructed.
Notably,
gates,
even
correct
truth
table,
any
deviation
order
inputs
can
alterations
original
outputs.
Critical Reviews in Food Science and Nutrition,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 19
Published: Dec. 30, 2024
Multi-target
detection
technology
in
food
plays
a
key
role
the
field
of
analysis,
which
can
comprehensively
and
accurately
assess
levels
multiple
residues
food,
thus
ensuring
safety
quality.
In
recent
years,
smart
nanostructured
molecular
logic
technologies
(SNMLT)
have
been
widely
employed
multiplex
detection.
Of
these,
component
materials-based
SNMLT
attracted
much
attention
owing
to
their
rapid
response,
multifunctionality,
programmability,
high
sensitivity.
Nevertheless,
there
is
no
review
focusing
on
sensing
platform
for
multi-target
current
review,
principles
operation
classification
were
first
described,
followed
by
summary
materials
signal
output
strategies
SNMLT.
Besides,
applications
assay,
including
physical,
biological,
chemical
hazard
factors
quality
also
highlighted.
Finally,
future
challenges
summarized
discussed.
The
indicates
that
has
advantages
wide
range,
strong
anti-interference
ability,
ability
analyze
target
analytes
simultaneously
research
focus
combining
with
artificial
intelligence
develop
inexpensive
easy-to-use
devices.
