BENTHAM SCIENCE PUBLISHERS eBooks,
Год журнала:
2024,
Номер
unknown, С. 166 - 192
Опубликована: Июль 23, 2024
Owing
to
the
low
cost,
fast
response,
easy
miniaturization,
portable
instrumentation,
and
multiple
analyte
detection
capabilities,
electrochemical
sensors
stand
out
in
realm
of
sensing
thus
occupy
a
prominent
place
analytical
supramolecular
chemistry.
Over
past
several
decades,
recognition
biologically
environmentally
vital
analytes
via
responses
(increase
or
decrease
current
density),
has
attracted
much
attention
from
chemists.
The
fabrication
through
competitive
phenomenon
known
as
indicator
displacement
assay
(IDA)
made
them
more
realistic
for
target
detection.
In
this
chapter,
besides
discussing
various
types
techniques
sensors,
we
envisioned
diverse
IDAbased
saccharides,
biomarkers,
neurotransmitters,
other
analytes.
authors
are
viewpoint
that
chapter
will
meet
needs
researchers
working
on
design,
fabrication,
application
sensors.
Organic Chemistry Frontiers,
Год журнала:
2022,
Номер
9(22), С. 6416 - 6440
Опубликована: Янв. 1, 2022
Recent
advances
with
calix[4]pyrrole-based
supramolecular
functional
entities
in
the
fields
of
molecular
recognition
(receptors,
sensors,
and
metal
ion
caged
systems),
self-assembly
(polymers),
photo/pH-responsive
switches
catalysis
are
reviewed.
Abstract
In
this
investigation,
meso
‐substituted
one‐walled
phthalimide
appended
calix[4]pyrrole
(
m
Pth–C4P)
was
prepared
from
pthalimide
functionalized
dipyrromethane
(DPM,
4
),
acetone,
and
freshly
distilled
pyrrole
via
both
conventional
as
well
green
protocols
utilizing
the
deep
eutectic
solvent
(DES)
of
N,N'
‐dimethyl
urea
(DMU)
&
l
‐(+)‐tartaric
acid
(TA)
in
an
appropriate
ratio
7:3.
order
to
lessen
nitrate
(NO
3
−
)
ion
endowed
eutrophication
peril,
Pth–C4P
effectively
employed
a
supramolecular
adsorbent
for
sequestration
NO
aquatic
phase.
The
extensively
characterized
by
FTIR,
1
H‐NMR,
SEM–EDX,
elemental
mapping
corroborate
synthesis
adsorption
ion.
surface
area
found
be
11.465
2
g
−1
pore
size
3.2
nm,
pointed
out
mesoporous
nature
Pth–C4P.
Batch
methodology
exploited
detailing
influence
process
parameters
on
%efficiency
capacity.
demonstrated
excellent
competence
(>
91%)
within
16
min
[NO
]
20
mg
L
,
which
translates
into
good
pseudo‐second
rate
constant
value
0.026
.
Freundlich
model
best‐fit
pointing
multilayer
adsorption.
maximum
saturation
capacity
239.03
‒1
at
298
K,
is
far
better
than
most
reported
adsorbents
indicating
potential
confiscate
dynamics
appraisal
elucidated
favor
uptake
with
intraparticle
liquid
film
diffusion
models
governing
reaction.
Thermodynamic
suggested
that
spontaneous,
favorable,
exothermic
harmony
isotherm
studies.
can
used
consecutively
up
cycles
along
real
water
>
80%
uptake.
All
these
results
established
efficacious
scavenger
simulated
water.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(7), С. 4339 - 4348
Опубликована: Март 14, 2024
Supramolecular
alternating
polymers
(SAPs)
were
constructed
based
on
orthogonal
interactions
between
an
alkylnitrile-tethered
calix[4]pyrrole
and
two
different
carboxylate-functionalized
pillar[5]arene
monomers
possessing
chain
lengths.
Concurrent
anion
complexation
host–guest
utilized
by
means
of
calix[4]pyrrole-
pillar[5]arene-based
molecular
recognitions.
Characterization
multiresponsive
behaviors
the
resulting
SAPs
characterized
a
series
analyses,
including
various
nuclear
magnetic
resonance
techniques,
viscosity
measurements,
scanning
electron
microscopy.
The
also
applied
to
fabrication
hierarchical
materials
with
dimensionalities.
These
include
spherical
aggregates
zero-dimensionality,
fibers
one-dimensionality,
two-dimensional
microporous
films,
finally
three-dimensional
materials.
Current
work
represents
first
example
recognition
is
expected
be
useful
for
designing
preparation
advanced,
multicomponent
synthetic
self-assembled
systems.
