ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(40)
Published: Oct. 1, 2024
Abstract
The
environment
consists
of
wide
diversity,
which,
an
integral
and
most
diversifying
part
is
the
living
organisms,
hence
it
imperative
to
design
novel
strategies
that
could
alleviate
pollutants
detect
them
at
very
minute
levels.
functionalization
nanomaterials
provides
a
facile
efficient
tool
for
robust
sensors
contaminate
air,
water,
soil.
Because
their
nanoscale
size,
these
materials
have
enhanced
surface‐to‐volume
ratio,
which
in
turn
provide
more
reaction
sites
analyte
interaction
enables
highly
specific
sensitive
detection.
Different
like
metal/metal
oxide
nanoparticles,
quantum
dots,
carbon‐based
nanomaterials,
miscellaneous
polymer,
dendrimers,
metal‐organic
frameworks
are
functionalized
with
suitable
ligands
detection
range
such
as
heavy
metals,
pesticides,
industrial
wastes,
volatile
organic
compounds,
toxic
gases,
environmental
pathogens
level
sensitivity.
In
this
review,
we
will
briefly
discuss
different
types
adopted
functionalization,
methodologies
pursued
sensing
critical
analysis,
future
outlook.
Sensors,
Journal Year:
2023,
Volume and Issue:
23(7), P. 3692 - 3692
Published: April 2, 2023
With
rapidly
increasing
environmental
pollution,
there
is
an
urgent
need
for
the
development
of
fast,
low-cost,
and
effective
sensing
devices
detection
various
organic
inorganic
substances.
Silver
nanoparticles
(AgNPs)
are
well
known
their
superior
optoelectronic
physicochemical
properties,
have,
therefore,
attracted
a
great
deal
interest
in
sensor
arena.
The
introduction
AgNPs
onto
surface
two-dimensional
(2D)
structures,
incorporation
into
conductive
polymers,
or
within
three-dimensional
(3D)
nanohybrid
architectures
common
strategy
to
fabricate
novel
platforms
with
improved
chemical
physical
properties
analyte
sensing.
In
first
section
this
review,
main
wet
reduction
approaches
successful
synthesis
functional
electrochemical
applications
discussed.
Then,
brief
on
principles
voltammetric
amperometric
sensors
given.
current
utilization
silver
silver-based
composite
nanomaterials
fabrication
as
pollutants
water
matrices
summarized.
Finally,
challenges
future
directions
nanosilver-based
outlined.
BMC Chemistry,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Jan. 6, 2024
Abstract
This
study
marks
a
pioneering
effort
in
utilizing
Vachellia
tortilis
subsp.
raddiana
(Savi)
Kyal.
&
Boatwr.,
(commonly
known
as
acacia
)
leaves
both
reducing
and
stabilizing
agent
the
green
“eco-friendly”
synthesis
of
silver
nanoparticles
(AgNPs).
The
research
aimed
to
optimize
AgNPs
process
by
investigating
influence
pH,
temperature,
extract
volume,
contact
time
on
reaction
rate
resulting
AgNPs'
morphology
well
discuss
potential
detecting
some
heavy
metals.
Various
characterization
methods,
such
UV–vis
spectroscopy,
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
infrared
spectroscopy
(IR),
Zeta
sizer,
EDAX,
transmitting
(TEM),
were
used
thoroughly
analyze
properties
synthesized
AgNPs.
XRD
results
verified
successful
production
with
crystallite
size
between
20
30
nm.
SEM
TEM
analyses
revealed
that
are
primarily
spherical
rod-shaped,
sizes
ranging
from
8
41
Significantly,
was
notably
higher
basic
conditions
(pH
10)
at
70
°C.
These
underscore
effectiveness
source
for
sustainable
synthesis.
also
examined
ability
detect
various
metal
ions
colorimetrically,
including
Hg
2+
,
Cu
Pb
Co
.
UV–Vis
proved
useful
this
purpose.
color
shifts
brownish-yellow
pale
yellow,
colorless,
red,
reddish
yellow
when
ions,
respectively.
change
an
alteration
absorbance
band,
vanishing
shifting
423
352
nm,
438
429
nm
showed
high
sensitivity,
detection
limits
1.322
×
10
–5
M,
1.37
–7
1.63
1.34
–4
M
highlights
using
eco-friendly
their
environmental
sensors
metals,
showcasing
strong
capabilities
colorimetric
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(17), P. 1425 - 1425
Published: Aug. 31, 2024
Silver
nanoparticles
(Ag
NPs)
have
accumulated
significant
interest
due
to
their
exceptional
physicochemical
properties
and
remarkable
applications
in
biomedicine,
electronics,
catalysis
sensing.
This
comprehensive
review
provides
an
in-depth
study
of
synthetic
approaches
such
as
biological
synthesis,
chemical
physical
synthesis
with
a
detailed
overview
sub-methodologies,
highlighting
advantages
disadvantages.
Additionally,
structural
affected
by
methods
are
discussed
detail
examining
the
dimensions
surface
morphology.
The
explores
distinctive
Ag
NPs,
including
optical,
electrical,
catalytic,
antimicrobial
properties,
which
render
them
beneficial
for
range
applications.
Furthermore,
this
describes
diverse
several
fields,
medicine,
environmental
science,
optoelectronics.
However,
numerous
applications,
kinds
issues
still
exist.
Future
attempts
need
address
difficulties
regarding
techniques,
friendliness,
affordability.
In
order
ensure
secure
utilization
it
is
necessary
establish
sustainability
techniques
eco-friendly
production
methods.
aims
give
analysis,
multifaceted
NPs.
Bioengineering,
Journal Year:
2024,
Volume and Issue:
11(5), P. 492 - 492
Published: May 15, 2024
Nanotechnology
has
emerged
as
an
effective
means
of
removing
contaminants
from
water.
Traditional
techniques
for
producing
nanoparticles,
such
physical
methods
(condensation
and
evaporation)
chemical
(oxidation
reduction),
have
demonstrated
high
efficiency.
However,
these
come
with
certain
drawbacks,
including
the
significant
energy
requirement
use
costly
hazardous
chemicals
that
may
cause
nanoparticles
to
adhere
surfaces.
To
address
limitations,
researchers
are
actively
developing
alternative
procedures
cost-effective,
environmentally
safe,
user-friendly.
One
promising
approach
involves
biological
synthesis,
which
utilizes
plants
or
microorganisms
reducing
capping
agents.
This
review
discusses
various
nanoparticle
a
focus
on
synthesis
using
naturally
occurring
bioflocculants
microorganisms.
Bioflocculants
offer
several
advantages,
harmlessness,
biodegradability,
minimal
secondary
pollution.
Furthermore,
covers
characterization
synthesized
their
antimicrobial
activity,
cytotoxicity.
Additionally,
it
explores
utilization
NPs
in
water
purification
dye
removal
processes.
Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
16(9), P. 1232 - 1232
Published: Sept. 21, 2024
Silver
nanoparticles
(AgNPs)
are
leading
the
way
in
nanotechnological
innovation,
combining
captivating
properties
of
silver
with
accuracy
nanoscale
engineering,
thus
revolutionizing
material
science.
Three
main
techniques
arise
within
alchemical
domains
AgNP
genesis:
chemical,
physical,
and
biological
synthesis.
Each
possesses
its
distinct
form
magic
for
controlling
size,
shape,
scalability—key
factors
necessary
achieving
expertise
practical
application
nanoparticles.
The
story
unravels,
describing
careful
coordination
chemical
reduction,
environmentally
sensitive
charm
green
synthesis
utilizing
plant
extracts,
precise
physical
techniques.
AgNPs
highly
praised
field
healthcare
their
powerful
antibacterial
characteristics.
These
little
warriors
display
a
wide-ranging
attack
against
bacteria,
fungi,
parasites,
viruses.
Their
critical
significance
combating
hospital-acquired
surgical
site
infections
is
praised,
serving
as
beacon
hope
fight
challenging
problem
antibiotic
resistance.
In
addition
to
ability
kill
also
known
promote
tissue
regeneration
facilitate
wound
healing.
cancer
has
observed
adaptability
AgNPs.
review
documents
role
innovative
carriers
drugs,
specifically
designed
target
cells
accuracy,
minimizing
harm
healthy
tissues.
Additionally,
it
explores
potential
therapy
or
anticancer
agents
capable
disrupting
growth
tumors.
food
business,
utilized
enhance
durability
packing
materials
coatings
by
infusing
them
bactericidal
properties.
This
results
improved
safety
measures
significant
increase
duration
that
products
can
be
stored,
thereby
tackling
crucial
issue
preservation.
academic
analysis
recognizes
many
difficulties
come
creation
incorporation
statement
pertains
evaluation
environmental
effort
synthetic
processes.
predicts
future
pursuits,
envisioning
progress
will
usefulness
importance
from
being
new
becoming
essential
realms
science
industry.
Besides,
not
only
subject
scholarly
interest
but
component
continuous
tackle
some
most
urgent
health
conservation
concerns
contemporary
society.
aims
explore
complex
process
highlight
numerous
uses,
special
focus
on
growing
business
sectors.
invites
scientific
community
extensive
possibilities
order
fully
understand
utilize
potential.
Frontiers in Nanotechnology,
Journal Year:
2024,
Volume and Issue:
6
Published: Oct. 16, 2024
Heavy
metal
contamination
in
water
sources
poses
a
significant
threat
to
environmental
and
public
health,
necessitating
effective
remediation
strategies.
Nanomaterial-based
approaches
have
emerged
as
promising
solutions
for
heavy
removal,
offering
enhanced
selectivity,
efficiency,
sustainability
compared
traditional
methods.
This
comprehensive
review
explores
novel
nanomaterial-based
remediation,
focusing
on
factors
such
regeneration,
scalability,
practical
considerations.
A
systematic
literature
search
was
conducted
using
multiple
academic
databases,
including
PubMed,
Web
of
Science,
Scopus,
identify
relevant
articles
published
between
2013
2024.
The
identifies
several
nanomaterials,
graphene
oxide,
carbon
nanotubes,
metal-organic
frameworks,
which
exhibit
high
surface
areas,
tunable
chemistries,
excellent
adsorption
capacities.
Surface
functionalization
with
specific
functional
groups
(e.g.,
carboxyl,
amino,
thiol)
significantly
enhances
the
selectivity
target
ions.
Advances
regeneration
strategies,
chemical
desorption,
electrochemical
photocatalytic
improved
reusability
cost-effectiveness
these
materials.
Scalability
remains
critical
challenge,
but
recent
developments
synthesis
methods,
green
continuous-flow
synthesis,
offer
large-scale
production.
stability
longevity
nanomaterials
been
through
modification
development
hybrid
nanocomposites.
Integrating
existing
treatment
infrastructure
combining
them
other
techniques,
membrane
filtration
can
enhance
overall
efficiency
feasibility.
In
conclusion,
hold
immense
promise
revolutionizing
advancing
sustainable
management
practices.
As
future
research
is
geared
towards
retrofitting
plants,
it
equally
mitigate
unintended
health
consequences
associated
widespread
production
use
their
leachability
into
systems
persistence.
