Spectroscopy Letters,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 13
Published: Dec. 27, 2024
Tetracyclines
(TCs)
are
one
of
the
most
common
antibiotics
against
bacterial
infection,
and
misuse
TCs
has
become
a
public
problem
affecting
human
health.
Herein,
we
reported
trypsin
nanoparticles
(Try
NPs)
with
fluorescence
emission
peak
at
445
nm
further
modified
Try
NPs
Zn2+
ion
to
prepare
NPs-Zn2+
complex.
More
importantly,
displayed
significant
response
multiple
including
tetracycline,
oxytetracycline,
chlorotetracycline
525
in
30
s
360
excitation
wavelength,
which
can
be
used
for
rapid
detection
antibiotics.
ACS Applied Nano Materials,
Journal Year:
2025,
Volume and Issue:
8(5), P. 2456 - 2465
Published: Jan. 29, 2025
Monitoring
and
controlling
antibiotic
residues
in
the
environment
are
critical
for
minimizing
bacterial
resistance,
preserving
microecological
equilibrium,
protecting
human
health.
Core
competencies
of
sensor
include
sensitivity,
selectivity,
mobility.
It
is
still
very
difficult
to
combine
these
qualities
a
single
effective
tetracycline
(TC)
detection.
Herein,
flower-like
spherical
structure
high-entropy
layered
double
hydroxide
Fe0.45Co0.45Ni0.45Cu0.45Zn0.45-LDH
(HE-LDH)
was
prepared
with
superior
peroxide-like
activity
convert
hydrogen
peroxide
(H2O2)
hydroxyl
radicals
(•OH)
(Km
=
0.075
mM
H2O2).
Because
significant
reactivity
that
exists
between
TC
•OH
produced
catalytic
system,
simple
colorimetric
method
detection
established.
As
performance,
linear
range
limit
were
100–1000
25.6
nM
solution
mode,
respectively.
Also,
100–800
32.2
obtained
paper
mode.
The
developed
also
exhibited
good
selectivity
over
other
antibiotics,
amino
acids,
ions.
Furthermore,
use
actual
water
sample
analysis
demonstrated
excellent
self-calibration
satisfactory
recovery
95.4–103.1%.
This
study
offers
progress
toward
developing
nanozymes
enzyme-like
detection,
accelerating
development
efficient
portable
sensors.
Journal of Environmental Science and Health Part B,
Journal Year:
2025,
Volume and Issue:
60(3), P. 121 - 128
Published: Feb. 6, 2025
This
study
explores
the
photocatalytic
decomposition
of
antibiotic
residues,
including
tetracycline
(TCR)
and
amoxicillin
(AMR),
from
wastewater
using
Bi2O3@C3N4
photocatalyst.
The
characterization
findings
revealed
that
exhibited
significantly
improved
light
absorption
properties
enhanced
charge
separation
efficiency.
According
to
experimental
results,
high
degradation
efficiencies
77.6%
for
TCR
83.2%
AMR
in
samples.
It
also
displayed
excellent
reusability,
with
removal
remaining
at
71.3
78.8%,
respectively,
after
five
cycles.
Additionally,
photodegradation
is
suggested
follow
Z-scheme
pathway.
results
this
could
be
utilized
removing
pollutants
wastewater,
thereby
reducing
their
impact
on
human
health
environment.
Water,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1256 - 1256
Published: April 23, 2025
Hundreds
of
veterinary
drugs
are
widely
used
in
agricultural
activities
and
continuously
enter
aquatic
environments
through
various
pathways,
posing
potential
risks
to
ecosystem.
Considering
that
sediments
function
both
as
sinks
sources
these
contaminants,
it
is
crucial
promptly
accurately
acquire
drug
residue
level
sediments.
In
this
study,
a
highly
effective
analytical
method
for
simultaneous
determination
103
from
16
classes
was
developed
using
high-performance
liquid
chromatography–tandem
mass
spectrometry
(HPLC-MS/MS).
The
extraction
procedure
performed
twice
by
ultrasound-assisted
with
an
acetonitrile-buffer
mixture
consisting
Na2EDTA,
Na3PO4·12H2O,
Na3C6H5O7·2H2O.
supernatant
cleaned
500
mg/6
mL
Oasis
HLB
solid-phase
cartridges.
elution
solutions
were
concentrated
redissolved
formic
acid–methanol–water
(0.1/20/79.9,
v/v,
FA-MeOH-H2O)
detection.
Results
showed
all
target
exhibited
good
linearity
R2
>
0.990
over
concentration
range
0.010
1000
μg·L−1,
detection
limits
(MDLs)
ranged
0.025
5
μg·kg−1.
recoveries
at
three
spiking
levels
(2,
5,
10
times
the
quantification
limits,
MQLs)
varied
33%
150%,
32%
140%,
40%
respectively,
relative
standard
deviations
(RSDs,
n
=
3)
0.7%~29%,
0.8%~23%,
0.5%~20%.
matrix
effects
compounds
–85%
84%
32
targets
negligible,
51
moderate,
20
significant.
An
isotope-labeled
surrogate
proposed
quantitation
effectively
overcome
improve
accuracy
better
60%~120%
93
RSDs
(n
below
20%.
This
applied
determine
12
sediment
samples
collected
Jiulong
River,
detected
concentrations
0.1~7.6
accurate,
sensitive,
efficient,
providing
powerful
tool
behavior
effect
studies
multi-classed
environments.
Water,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1296 - 1296
Published: April 26, 2025
Piezoelectric
and
photocatalytic
technologies
use
mechanical
light
energy
to
decompose
environmental
contaminants,
demonstrating
a
beneficial
synergistic
impact.
This
investigation
employs
two-step
hydrothermal-calcination
technique
synthesize
N-doped
MoS2
materials.
The
ideal
catalyst,
N-MoS2-3,
utilizing
the
effect
of
piezoelectric–photocatalysis
processes,
attained
TC
degradation
rate
90.8%
in
60
min.
kinetic
constant
(0.0374
min−1)
is
1.75
times
greater
than
combined
rates
single
photocatalysis
piezoelectric
catalysis,
indicating
notable
material
has
80%
efficiency
after
five
cycles,
its
remarkable
resilience.
Mechanistic
investigations
reveal
that
nitrogen
doping
establishes
an
internal
electric
field
by
modulating
S-Mo-S
charge
distribution.
Photogenerated
electrons
move
generate
•O2−,
while
holes
accumulate
internally.
ultrasound-induced
polarization
interacts
with
photogenerated
reverse,
thereby
synergistically
improving
carrier
separation
facilitating
redox
processes.
study
emphasizes
viability
non-metal
as
method
for
modifying
properties
two-dimensional
materials,
offering
novel
approach
enhance
attributes
technology
possesses
significant
promise
restoration
through
utilization
solar
energy.
