Sensors,
Journal Year:
2021,
Volume and Issue:
21(2), P. 408 - 408
Published: Jan. 8, 2021
Nanozymes
are
advanced
nanomaterials
which
mimic
natural
enzymes
by
exhibiting
enzyme-like
properties.
As
nanozymes
offer
better
structural
stability
over
their
respective
enzymes,
they
ideal
candidates
for
real-time
and/or
remote
environmental
pollutant
monitoring
and
remediation.
In
this
review,
we
classify
into
four
types
depending
on
enzyme-mimicking
behaviour
(active
metal
centre
mimic,
functional
nanocomposite
or
3D
mimic)
mechanistic
insights
the
nature
of
catalytic
activity.
Following
this,
discuss
current
translation
a
powerful
sensing
remediation
tool
through
inventive
nano-architectural
design
transduction
methodologies.
Here,
focus
recent
developments
in
detection
heavy
ions,
pesticides
other
organic
pollutants,
emphasising
optical
methods
few
electrochemical
techniques.
Strategies
to
remediate
persistent
pollutants
such
as
pesticides,
phenols,
antibiotics
textile
dyes
included.
We
conclude
with
discussion
practical
deployment
these
terms
effectiveness,
reusability,
in-field
application,
commercial
production
regulatory
considerations.
Inorganic Chemistry,
Journal Year:
2019,
Volume and Issue:
58(15), P. 10364 - 10376
Published: July 25, 2019
Rationally
designed
multiple
hydroxyl-group-based
chemosensors
L1–L4
containing
arene-based
fluorophores
are
presented
for
the
selective
detection
of
Al3+
and
Ga3+
ions.
Changes
in
absorption
emission
spectra
ethanol
were
easily
observable
upon
addition
Competitive
binding
studies,
limits,
constants
illustrate
significant
sensing
abilities
these
with
L4,
showing
best
results.
The
interaction
Al3+/Ga3+
ions
chemosensor
L4
was
investigated
by
fluorescence
lifetime
measurements,
whereas
Job's
plot,
high-resolution
mass
spectrometry,
1H
NMR
spectral
titrations
substantiated
stoichiometry
between
solution-generated
[L-M3+]
species
further
detected
pyrophosphate
ion
(PPi)
exhibiting
enhancement
a
visible
color
change.
supported
density
functional
theory
studies.
Reversibility
achieved
utilizing
suitable
proton
source.
multiionic
response,
reversibility,
optical
visualization
present
make
them
ideal
practical
applications
real
samples,
which
have
been
illustrated
paper-strip
as
well
polystyrene
film-based
detection.
Environmental Science Nano,
Journal Year:
2021,
Volume and Issue:
8(4), P. 863 - 889
Published: Jan. 1, 2021
Recent
developments
in
nanotechnology
and
engineering
have
produced
a
plethora
of
nanomaterials
with
amazing
physical/chemical
properties
enhanced
sensing
potential
for
various
heavy
metals
the
environment.
