Biobased Strategies for E-Waste Metal Recovery: A Critical Overview of Recent Advances
Environments,
Journal Year:
2025,
Volume and Issue:
12(1), P. 26 - 26
Published: Jan. 16, 2025
The
increasing
e-waste
volumes
represent
a
great
challenge
in
the
current
waste
management
landscape,
primarily
due
to
massive
production
and
turnover
of
electronic
devices
complexity
their
components
constituents.
Traditional
strategies
for
treatment
focus
on
metal
recovery
through
costly,
energetically
intensive,
environmentally
hazardous
processes,
such
as
pyrometallurgical
hydrometallurgical
approaches,
often
neglecting
other
As
efforts
are
directed
towards
creating
more
sustainable
circular
economic
model,
biobased
alternative
approaches
these
traditional
techniques
have
been
increasingly
investigated.
This
critical
review
focuses
recent
advances
treatment,
exclusively
considering
studies
using
sources.
It
addresses,
from
perspective,
inactive
biomass,
live
biogenic
compounds,
showcasing
diversity
discussing
reaction
parameters,
advantages
disadvantages,
challenges,
potential
valorization
generated
by-products.
While
ongoing
research
optimizing
operational
times
efficiencies,
bioprocessing
still
offer
significant
e-waste.
These
include
lower
environmental
impact
by
reducing
energy
consumption
effluent
treatments
ability
recover
metals
complex
streams,
paving
way
economy
electronics
industry.
Language: Английский
Repurposed Cu Scrap Featuring CuO/Cu(OH)2 Nanostructures as a High-Performance Anode for OER-Masking Small Molecule Electrooxidation
Neha Clare Minj,
No information about this author
Balakumaran Kamaraj,
No information about this author
Sunil Mittal
No information about this author
et al.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 20, 2025
Language: Английский
Combinatorial Scanning Kelvin Probe and Density Functional Theory Studies on Selective n-Butanol Adsorption Properties of pH-Dependent Bi2WO6 Nanostructures
Rahul Suresh Ghuge,
No information about this author
Rence P. Reji,
No information about this author
Surya Velappa Jayaraman
No information about this author
et al.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 8, 2024
Fast
and
effective
detection
of
volatile
organic
compounds
(VOCs)
is
a
crucial
criterion
for
developing
stable
room-temperature
operable
gas
sensors.
In
this
work,
we
have
synthesized
Bi2WO6
(BW)
nanostructures
using
the
hydrothermal
method
at
pH
1
(BW-1),
pH-3
(BW-3),
5
(BW-5),
7
(BW-7),
9
(BW-9)
to
study
their
VOC
adsorption
properties.
X-ray
diffraction
confirms
that
both
internal
strain
crystallite
size
increase
with
pH.
Field-emission
scanning
electron
microscope
results
showed
change
in
morphology
BW
from
flakes
sheets.
The
obtained
surface
photovoltage,
photoluminescence
spectra,
Raman
photoelectron
spectroscopy
revealed
defects
oxygen
vacancies
Further,
properties
are
examined
Kelvin
probe
system
through
contact
potential
difference
measurements
dark
visible
light
conditions
air
various
VOCs
like
n-butanol,
benzene,
triethylamine,
acetone.
BW-9
sample
has
exhibited
∼40%
enhanced
photoresponse
under
an
n-butanol
atmosphere
compared
BW-1.
chemiresistive
sensing
performance
between
50
400
ppm
exhibits
sensitivity
value
0.00816
±
0.0007
ppm–1.
Computational
investigations
density
functional
theory
confirmed
surface-adsorbed
on
shows
higher
affinity
energy
−0.877
eV
among
other
VOCs.
Overall,
these
combined
experimental
computational
studies
demonstrated
selective
behavior
toward
industrial
pollutant.
Language: Английский
Tuning Mn-MOF by Incorporating a Phthalocyanine Derivative as an Enzyme Mimic for Efficient EGFET-based Ascorbic Acid Detection
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 28, 2025
In
this
study,
we
present
the
effect
of
catalytic
performance
in
Mn-MOF
upon
incorporating
varied
concentrations
phthalocyanine
derivative
(H2PcP8OH16)
for
ascorbic
acid
detection
an
extended
gate
field-effect
transistor
(EGFET)
configuration.
The
fabricated
Mn-OM-MOF-2/CP
electrode
demonstrated
notable
selectivity
toward
physiological
conditions
sweat,
with
a
sensitivity
71.375
μA·mM–1·cm–2,
response
time
less
than
6
s,
and
linear
range
from
5
to
240
μM.
limit
(LOD)
quantification
(LOQ)
were
found
be
0.26
0.78
μM,
respectively.
Remarkably,
prepared
electrodes
followed
Michaelis–Menten
kinetics.
Among
them,
highest
affinity
acid,
Km
value
0.142
mM.
To
gain
deeper
insights
into
charge
transfer
mechanism
during
interaction
Mn-OM-MOF-2/CP,
employed
scanning
Kelvin
probe
(SKP)
technique
conducted
post-FTIR
analysis
understand
sensing
mechanism.
Additionally,
post-UV–visible
(UV–vis)
measurements
performed
explore
how
incorporation
enhances
affinity.
Additional
studies
using
standard
artificial
sweat
have
confirmed
electrode's
good
recovery.
Overall,
results
EGFET
method
suitability
rapid,
noninvasive,
single-use
1×
phosphate
buffer
saline
(1×
PBS).
Language: Английский
Catalytic application of second cycle copper-based laboratory waste for synthesis of beta-keto-1,2,3-triazole: A micro circular economy approach
Sustainable Chemistry for the Environment,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100205 - 100205
Published: Dec. 1, 2024
Language: Английский
Porphyrinoid-Functionalized ZnO Nanoflowers for Visible Light-Enhanced and Selective Benzylamine Detection at Room Temperature
Sheethal Sasi,
No information about this author
Prasanth Palanisamy,
No information about this author
Rence P. Reji
No information about this author
et al.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(44), P. 61204 - 61217
Published: Oct. 22, 2024
Functionalization
of
hybrid
organic
molecules
as
layers
on
ZnO
nanoflowers
(NFs)
gives
an
excellent
combination
sensing
toward
visible
light
and
vapors
various
volatile
compounds
(VOCs).
In
this
work,
functionalized
NFs
were
utilized
for
the
photoinduced
detection
benzylamine
at
room
temperature.
The
synthesized
via
a
facile
solution
route
with
four
different
porphyrin-conjugated
namely
(i)
pyrene-porphyrin
(PP),
(ii)
pyrene-
porphyrinato
zinc
(ZnPP),
(iii)
triphenylamine-
porphyrin
(TP)
(iv)
(ZnTP).
diameter
flower-like
structure
was
found
to
be
∼3.2
μm
thickness
petals
being
∼24.1
nm.
gas
adsorption
performance
activation
temperature
studied
by
using
scanning
Kelvin
probe
(SKP)
system.
improved
properties
samples
can
attributed
heterojunctions
activation.
particular,
enhanced
response
ZnTP
(ZnTPZ)
observed.
Further,
static
experiments
ZnTPZ
under
concentrations
(1,
3,
5,
10,
15,
25
ppm)
both
in
dark
conditions
have
exhibited
linear
increase
response.
selectively
compared
that
pristine
thus
confirmed
1
ppm
benzylamine.
sensitivity
limit
sensor
calculated
0.0292
ppm-1
197
ppb,
respectively.
coordination
metal
(Zn)
has
helped
effective
charge
transfer
between
providing
additional
active
sites
interactions.
Also,
density
functional
theory
calculations
demonstrated
role
surface
improving
adsorption.
fresh
cabbage
real
sample
analysis
proposed
illumination
conditions,
obtained
low
evaluation
Overall,
results
suggest
development
novel
ZnTPZ-based
light-activated
sensors
These
kinds
used
track
freshness
vegetables
they
are
transported
from
farms
commercial
outlets.
Language: Английский
A Step Towards Non-Invasive Diagnosis of Diabetes Mellitus Using In-Situ Synthesized MOF-MXene Hybrid Material with Extended Gate Field-Effect Transistor Integration
Mallikarjuna Swamy Shabanur Matada,
No information about this author
Rahul Suresh Ghuge,
No information about this author
Surya Velappa Jayaraman
No information about this author
et al.
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 2, 2024
Integration
of
MOF-MXene
hybrid
material
into
an
EGFET
configuration
for
enzyme-free
and
non-invasive
glucose
detection
to
diagnose
diabetes
mellitus.
Language: Английский