In Situ Synthesis of Luminescent CdSe Quantum Dots Embedded in Cd(II) Metallohydrogels: A Hybrid Material for Selective and Naked-Eye Sensing of Hg22+ Ions
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 9, 2025
In
situ
synthesis
and
stabilization
of
quantum
dots
(QDs)
with
unique
features
toward
environmental
remediation
is
an
area
current
interest.
Our
present
study
has
addressed
the
spontaneous
formation
a
metallohydrogel
Cd(II)
mixed
ligand
system
(sodium
azide
4,5-dicyanoimidazole).
The
gelation
was
highly
selective
to
all
three
components
only
achieved
when
were
together.
Impact
different
pure
solvent
systems
on
metallogelation
also
studied.
Spontaneous
high-yield
growth
fibrous
bundled
nanostructures,
majorly
resulting
from
metal-ligand
coordination
in
association
solvent-anticipated
hydrogen-bonding
interactions,
are
observed.
overall
gel
integrity
corresponding
nanostructure
exhibit
stimulus-responsive
behavior
various
external
stimuli.
pristine
metallogel
then
explored
as
scaffold
for
fabrication
CdSe
QD)
which
remain
fastened
fibers.
QD-tethered
luminescent
nature
where
emission
could
be
easily
tuned.
Finally,
this
hybrid
[i.e.,
CdSe-tethered
metallohydrogel]
successfully
employed
material
naked-eye
sensing
toxic
heavy
metal
ion
Hg22+
down
micromolar
level.
This
thus
highlights
potential
such
metallo-supramolecular
hydrogel
photophysics
remediation.
Language: Английский
Dynamic Covalent and Noncovalent Bonds Based Self‐assembled Biomaterials: From Construction to Biomedical Applications
Chinese Journal of Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 20, 2025
Comprehensive
Summary
Self‐assembly
processes
are
ubiquitous
in
biological
systems,
playing
essential
roles
sustaining
life
activities.
The
exploration
of
self‐assembled
biomaterials
(SABMs)
holds
great
potential
for
advancing
various
fields,
particularly
biomedicine
and
materials
science.
Because
the
unique
reversibility
responsiveness
to
stimuli,
dynamic
covalent
bonds
(DCBs)
noncovalent
(NCBs)
endow
SABMs
with
self‐healing
properties,
stimuli
controllable
degradation,
making
them
highly
versatile
a
wide
range
biomedical
applications.
In
this
article,
recent
advances
future
trends
based
on
DCBs
NCBs
thoroughly
reviewed.
We
begin
by
introducing
molecular
principles
characteristics
that
govern
formation
SABMs.
also
explore
responsive
functional
features
these
detail.
Finally,
we
summarize
perspectives
challenges
associated
development
aim
review
offer
comprehensive
overview
SABMs,
serving
as
valuable
resource
chemists
scientists
striving
further
advance
design
Key
Scientists
Language: Английский
Remarkable Stability of Glutathione-Based Supramolecular Gel in the Presence of Oxidative Stress from Hydrogen Peroxide
Md Azimuddin Sk,
No information about this author
Reena Kyarikwal,
No information about this author
Kalyan K. Sadhu
No information about this author
et al.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
Low
molecular
weight
7-methoxy-3-(
Language: Английский
Self-Healing Supramolecular Flexible Network of Zn(II): Exploring Chemo-Responsiveness, Antimicrobial Efficiency, and Variable Microelectronic Device Performances
Deblina Saha,
No information about this author
Tamal Dey,
No information about this author
Indrajit Pal
No information about this author
et al.
Langmuir,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
The
Zn(II)-supramolecular
metallogel
(i.e.,
Zn-Py)
of
2,6-pyridinedicarboxylic
acid
was
prepared
through
the
addition
a
metal
source
and
as
low
molecular
weight
gelator.
Zn-Py
encapsulated
N,N′-dimethylformamide
gel-immobilized
polar
aprotic
solvent
media.
mechanical
features
synthesized
were
investigated.
thixotropic
behavior
also
analyzed.
microscopic
feature
imaged
FESEM
TEM
studies.
EDS
pattern
ratified
role
different
gel-building
chemical
constituents.
stimuli
responsiveness
tested.
metallogel-forming
mechanistic
protocol
visualized
FTIR
ESI
mass
spectroscopic
analyses.
bioeffectiveness,
i.e.,
antimicrobial
potency,
studied.
efficiency
against
both
Gram
+ve
−ve
bacteria
including
Salmonella
typhimurium
(MTCC
98),
Escherichia
coli
1667),
Bacillus
cereus
(ATCC
13061),
Listeria
monocytogenes
657),
Staphylococcus
aureus
96)
critically
images
live
damaged
due
to
action
experimentally
used
fabricate
heterojunction
Schottky-type
photodetectors
show
their
excellent
light–matter
interaction
potentiality
active
material
in
optoelectronics.
electrical
parameters
semiconductor
diodes
such
p–n
junction
Schottky
diode
fabricated
by
Outcomes
experimental
investigation
demonstrated
that
tested
effectively
showed
parameters,
especially
with
ideality
factor
(η)
1.3
under
dark
environment.
This
device
efficiently
depicted
great
ON/OFF
ratio
33.4
at
reverse
bias
voltage
−2
V.
metal–semiconductor–metal
(M-S-M)
junction-type
barrier
using
where
Au/Zn-Py
metallogel/Au-based
fabrication
strategy
implemented.
Language: Английский