Vestnik Moskovskogo universiteta Seria 16 Biologia,
Год журнала:
2024,
Номер
79(№3, 2024), С. 227 - 234
Опубликована: Янв. 1, 2024
Graphene
derivatives
(oxide
and
its
reduced
form)
are
promising
carbon
nanomaterials
(CNMs)
used
in
industry,
electronics,
medicine
biotechnology.
The
aim
of
the
work
was
to
study
effect
graphene
oxide
(GO)
form
(rGO)
on
formation
eradication
Candida
maltosa
VKPM
Y-194
biofilms,
metabolic
activity,
intracellular
ATP
content
permeability
cytoplasmic
membrane
biofilm
cells.
It
found
that
GO
rGO
slightly
suppress
yeast
formation,
decrease
biomass
during
growth
presence
is
significantly
greater
than
cell
with
rGO.
destruction
mature
7-day
biofilms
CNMs
control,
3-day
ones.
At
same
time,
activity
cells,
assessed
by
reduction
tetrazolium
salt
(methyl
thiazolyl
reagent),
upon
contact
cells
CNM
for
4
hours,
increased
exposed
grown
exceeded
but
lower
after
4-hour
a
nutrient
medium
without
CNM.
greatest
negative
which
expressed
an
increase
permeability,
exerted
exposure
biofilm.
C.
more
pronounced
when
rGO,
higher
Complete
inhibition
complete
under
have
not
been
established.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Abstract
Specific
separation
and
extraction
is
a
pivotal
stage
in
the
accurate
quantification
of
liquid
crystal
monomers
(LCMs)
pollutants
complex
environmental
samples.
In
this
context,
new
fluorinated
imprinted
adsorbent
(MIA)
for
magnetic
solid
phase
(MSPE)
was
one-pot
prepared
within
3.5
h
using
4-[difluoro(3,4,5-trifluorophenoxy)methyl]-3,5-difluoro-4'-ethyl-biphenyl
(DFBP)
as
template
1H,1H,2H,2H-heptadecafluorodecyl
acrylate/vinylanthracene
dual
monomers.
The
structure,
morphology
properties
MIA
fabricated
beneficial
conditions
were
investigated
by
various
characterized
techniques.
Under
optimal
parameters,
presented
satisfactory
specific
recognition
performance.
factor
adsorption
capacity
towards
DFBP
high
2.7
15.9
mg/g,
respectively.
At
same
time,
behaviors
MIA/MSPE
surveyed
means
kinetics
isotherm.
Combining
with
HPLC
coupled
diode
array
detector
(DAD),
sensitive,
reliable
anti-interference
method
monitoring
LCMs
residuals
water
soil
samples
established.
achieved
enrichment
factors
132–248
96–204
samples,
corresponding
limits
detection
0.0017–0.0051
µg/L
0.087–0.28
µg/kg,
Moreover,
confirmatory
experiments
adopted
to
inspect
accuracy
established
MIA/MSPE-HPLC/DAD
approach.
To
best
our
knowledge,
first
time
that
material
isolation
capture
which
have
been
classified
emerging
organic
pollutants.
Vestnik Moskovskogo universiteta Seria 16 Biologia,
Год журнала:
2024,
Номер
79(№3, 2024), С. 227 - 234
Опубликована: Янв. 1, 2024
Graphene
derivatives
(oxide
and
its
reduced
form)
are
promising
carbon
nanomaterials
(CNMs)
used
in
industry,
electronics,
medicine
biotechnology.
The
aim
of
the
work
was
to
study
effect
graphene
oxide
(GO)
form
(rGO)
on
formation
eradication
Candida
maltosa
VKPM
Y-194
biofilms,
metabolic
activity,
intracellular
ATP
content
permeability
cytoplasmic
membrane
biofilm
cells.
It
found
that
GO
rGO
slightly
suppress
yeast
formation,
decrease
biomass
during
growth
presence
is
significantly
greater
than
cell
with
rGO.
destruction
mature
7-day
biofilms
CNMs
control,
3-day
ones.
At
same
time,
activity
cells,
assessed
by
reduction
tetrazolium
salt
(methyl
thiazolyl
reagent),
upon
contact
cells
CNM
for
4
hours,
increased
exposed
grown
exceeded
but
lower
after
4-hour
a
nutrient
medium
without
CNM.
greatest
negative
which
expressed
an
increase
permeability,
exerted
exposure
biofilm.
C.
more
pronounced
when
rGO,
higher
Complete
inhibition
complete
under
have
not
been
established.
