ACS Applied Bio Materials,
Год журнала:
2023,
Номер
6(10), С. 4403 - 4412
Опубликована: Сен. 28, 2023
A
tripodal
amine
(TPA)
with
–OH,
N,
and
S
donors
is
synthesized
to
functionalize
a
core–shell
carbon
dot
composite
(FCDs@SiO2-TPA)
for
sensing
application.
The
TPA
characterized
by
spectroscopic
spectrometric
techniques,
the
Fourier
transform
infrared
spectroscopy
(FT-IR),
thermogravimetric
analysis
(TGA),
Brunauer–Emmett–Teller
(BET),
scanning
electron
microscopy
(SEM),
transmission
(TEM),
energy-dispersive
X-ray
spectra
(EDS)
techniques.
has
ability
recognize
mefenamic
acid
(MFA)
selectively
even
in
presence
of
other
drugs
like
ibuprofen
sodium,
acetylsalicylic
acid,
naproxen
diclofenac
ketoprofen.
It
can
also
be
used
quantification
MFA
recording
emission
quenching
response
sample
at
λexc.
=
350
nm
λems.
460
(linear
range
1–8
μM
LOD
197
nM).
density
functional
theory
calculations
1H
NMR
titration
suggest
signal
due
photoinduced
transfer
via
hydrogen
bonding
between
probe
MFA.
FCDs@SiO2-TPA
been
demonstrated
as
reliable
cost-effective
detection
pharmaceutical
formulations,
water
samples,
cow
urine
samples.
RSC Advances,
Год журнала:
2023,
Номер
13(4), С. 2683 - 2691
Опубликована: Янв. 1, 2023
Lead(ii)
is
an
extremely
toxic
heavy
metal
ion
that
causes
various
health
problems
are
difficult
to
recover
from
in
many
developing
countries
of
the
world.
Fluorescence-based
nanosensors
have
amazing
characteristics
such
as
high
sensitivity/selectivity,
portability,
low
detection
limit,
rapid
on-site
usability,
cost
and
capability
for
removal
ions.
In
this
paper,
a
new
fluorescent
hybrid
material
based
on
silica
gel
(Bodipy-Si)
was
developed
via
click
reaction
between
alkyne-terminal
azido-terminal
Bodipy.
The
solid
support
surface
characterized
by
techniques
SEM,
FT-IR,
etc.
adsorption
fluorometric
properties
nanoparticles
were
also
examined
using
atomic
absorption
fluorescence
spectroscopies,
presence
ions,
respectively.
results
indicated
prepared
hybrid-fluorescent
can
be
used
Pb(ii)
limit
(LOD)
determined
data
1.55
×
10-7
M
maximum
capacity
AAS.
complexometric
interactions
Bodipy-Si
affect
adsorptions
at
concentrations.
Critical Reviews in Analytical Chemistry,
Год журнала:
2023,
Номер
54(8), С. 3212 - 3233
Опубликована: Июль 19, 2023
Molecularly
imprinted
fluorescent
carbon
dots
(MI-FCDs)
find
numerous
applications
in
analytical
chemistry
due
to
their
outstanding
photoluminescent
properties
and
having
specific
pockets
for
the
recognition
of
target
molecules.
Despite
significant
advances,
practical
MI-FCDs-based
sensors
are
still
initial
stages.
Therefore,
topical
developments
synthesis,
working,
application
MI-FCDs
sensing
various
species
(e.g.,
pharmaceuticals,
biomolecules,
pesticides,
food
additives,
miscellaneous
species)
biological
media
have
been
highlighted.
Moreover,
a
careful
evaluation
has
made
select
best
methods
based
on
performance
terms
parameters.
To
expand
horizons
this
field,
important
challenges
future
directions
developing
use
also
presented.
This
review
will
highlight
aspects
applicability
science,
material
environmental
nanoscience,
biotechnology.
