SSRN Electronic Journal,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Jan. 1, 2022
As
the
first
step
of
methylmercury
(MeHg)
entry
into
aquatic
food
web,
phytoplankton
uptake
MeHg
is
crucial
in
determining
final
human
exposure
risks.
availability
to
plankton
regulated
by
dissolved
organic
matter
(DOM)
water,
while
these
impacts
could
vary
largely
among
different
DOM
sources.
In
this
study,
we
investigate
sources
bioconcentration
three
freshwater
algae
(
S.
quadricauda,
Chlorella
and
Microcystis
)
a
microcosm
system.
We
found
that
algae-derived
prohibit
cellular
percentage
up
77‒93%,
yet
soil-derived
didn't
display
similar
inhibition
effects.
characterization
excitation‒emission
matrices,
fourier
transform
infrared
spectrum,
ultra‒high
performance
liquid
chromatography‒tandem
quadrupole
time
flight
mass
spectrometry
indicated
molecular
size
S-containing
compounds
rather
than
thiol
concentrations
had
played
roles
regulating
algal
uptakes.
Climate
change
increasing
nutrient
loadings
from
activities
may
affect
growth
freshwater,
ultimately
changing
qualities
DOM.
Potential
changes
on
together
with
other
fields
should
be
integrated
when
exploring
Hg
cycling
accessing
their
risks
beings
or
wild
life.
SSRN Electronic Journal,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Jan. 1, 2022
As
the
first
step
of
methylmercury
(MeHg)
entry
into
aquatic
food
web,
phytoplankton
uptake
MeHg
is
crucial
in
determining
final
human
exposure
risks.
availability
to
plankton
regulated
by
dissolved
organic
matter
(DOM)
water,
while
these
impacts
could
vary
largely
among
different
DOM
sources.
In
this
study,
we
investigate
sources
bioconcentration
three
freshwater
algae
(
S.
quadricauda,
Chlorella
and
Microcystis
)
a
microcosm
system.
We
found
that
algae-derived
prohibit
cellular
percentage
up
77‒93%,
yet
soil-derived
didn't
display
similar
inhibition
effects.
characterization
excitation‒emission
matrices,
fourier
transform
infrared
spectrum,
ultra‒high
performance
liquid
chromatography‒tandem
quadrupole
time
flight
mass
spectrometry
indicated
molecular
size
S-containing
compounds
rather
than
thiol
concentrations
had
played
roles
regulating
algal
uptakes.
Climate
change
increasing
nutrient
loadings
from
activities
may
affect
growth
freshwater,
ultimately
changing
qualities
DOM.
Potential
changes
on
together
with
other
fields
should
be
integrated
when
exploring
Hg
cycling
accessing
their
risks
beings
or
wild
life.