ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(30)
Published: Aug. 9, 2024
Abstract
This
study
presents
a
new
method
for
detecting
and
monitoring
heavy
metal
ions
in
water
samples.
The
uses
liquid
crystal‐based
optical
sensors
molecular
probe
called
dodecyl‐N‐iminodiacetic
acid
(DIDAA).
probe's
hydrophilic
polar
diacetate
head
group
acts
as
chelator
ions,
while
its
hydrophobic
non‐polar
tail
aligns
the
crystal
molecules.
When
ion‐contaminated
samples
are
introduced,
LC
alignment
is
rapidly
disrupted,
resulting
bright
signals.
sensor
has
detection
limit
of
0.1,
0.3,
1.0,
5.0
μM
Mercury
(Hg
2+
),
Copper
(Cu
Cadmium
(Cd
Lead
(Pb
)
respectively.
remains
effective
even
after
multiple
was
not
affected
by
changes
pH.
Its
activity
could
persist
over
5
days.
Furthermore,
this
be
reversed
reused
to
detect
HMIs
presence
EDTA,
making
it
potential
candidate
developing
logic
gates
at
level.
Environmental Technology,
Journal Year:
2024,
Volume and Issue:
45(27), P. 5912 - 5927
Published: Feb. 7, 2024
This
paper
focuses
on
the
degrading
capacity
of
various
hydrocarbon
fractions
used
engine
oils
(UEO)
by
marine
microorganisms,
as
well
biosorption
heavy
metals.
A
bacterial
strain
with
a
significant
capability
to
grow
UEO
sole
source
carbon
and
energy
was
isolated
from
harbour
seawater
samples
(Oran,
Algeria).
The
molecular
identification
sequencing
16S
rDNA
gene
revealed
that
bacterium
matched
Frontiers in Genome Editing,
Journal Year:
2024,
Volume and Issue:
6
Published: June 13, 2024
With
scientific
progress
and
the
development
of
new
genomic
techniques
(NGTs),
spectrum
organisms
modified
for
various
purposes
is
rapidly
expanding
includes
a
wide
range
taxonomic
groups.
An
improved
understanding
which
newly
developed
products
may
be
introduced
into
market
released
environment
in
near
more
distant
future
particular
interest
policymakers,
regulatory
authorities,
risk
assessors.
To
address
this
information
need,
we
conducted
horizon
scanning
(HS)
potential
environmental
applications
four
groups
organisms:
terrestrial
animals
(excluding
insects
with
gene
drives),
fish,
algae
microorganisms.
We
applied
formal
scoping
review
methodology
comprising
structured
search
literature
followed
by
eligibility
screening,
complemented
survey
grey
literature,
websites
databases.
In
all
identified
broad
stages
basic
as
well
advanced
research,
limited
number
are
on,
or
ready
to
placed
market.
Research
on
GM
including
fish
focused
farmed
primarily
targets
traits
increase
performance,
influence
reproduction,
convey
resistance
against
diseases.
HS
were
unicellular,
than
half
articles
concerning
biofuel
production.
use
include
biocontrol
bioremediation,
also
main
From
assessor's
perspective
these
entail
multitude
possible
pathways
harm.
The
current
level
experience
amount
available
could
constitute
significant
challenge
future,
assessors
competent
authorities
urgently
need
prepare.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(30)
Published: Aug. 9, 2024
Abstract
This
study
presents
a
new
method
for
detecting
and
monitoring
heavy
metal
ions
in
water
samples.
The
uses
liquid
crystal‐based
optical
sensors
molecular
probe
called
dodecyl‐N‐iminodiacetic
acid
(DIDAA).
probe's
hydrophilic
polar
diacetate
head
group
acts
as
chelator
ions,
while
its
hydrophobic
non‐polar
tail
aligns
the
crystal
molecules.
When
ion‐contaminated
samples
are
introduced,
LC
alignment
is
rapidly
disrupted,
resulting
bright
signals.
sensor
has
detection
limit
of
0.1,
0.3,
1.0,
5.0
μM
Mercury
(Hg
2+
),
Copper
(Cu
Cadmium
(Cd
Lead
(Pb
)
respectively.
remains
effective
even
after
multiple
was
not
affected
by
changes
pH.
Its
activity
could
persist
over
5
days.
Furthermore,
this
be
reversed
reused
to
detect
HMIs
presence
EDTA,
making
it
potential
candidate
developing
logic
gates
at
level.
