Bioaccumulation and foraging behavior
Elsevier eBooks,
Год журнала:
2024,
Номер
unknown, С. 261 - 285
Опубликована: Янв. 1, 2024
Язык: Английский
Multiresidue analysis of bat guano using GC-MS/MS
Analytical and Bioanalytical Chemistry,
Год журнала:
2024,
Номер
416(13), С. 3149 - 3160
Опубликована: Апрель 2, 2024
Abstract
Bats
are
the
second
largest
mammalian
order
and
an
endangered
species
group
with
a
strong
need
for
contamination
monitoring.
To
facilitate
non-invasive
monitoring
of
ecological
burden
in
bat
populations,
multiresidue
method
simultaneous
quantification
119
analytes
including
pesticides,
persistent
organic
pollutants
(POPs),
active
pharmaceutical
ingredients
(APIs),
polycyclic
aromatic
hydrocarbons
(PAHs),
UV
blockers,
plasticizers,
other
emerging
guano
gas
chromatography
tandem
mass
spectrometry
(GC-MS/MS)
was
developed.
Sample
preparation
clean-up
were
performed
modified
QuEChERS
approach
based
on
DIN
EN
15662.
The
uses
1.00
g
as
sample
acetonitrile
water
liquid-liquid
extraction.
Phase
separation
is
assisted
by
citrate-buffered
salting
out
agent.
For
extract,
primary
secondary
amine
(PSA)
combined
graphitized
carbon
black
(GCB).
lower
limits
(LLOQ)
ranged
between
2.5
250
µg
kg
−1
.
Linearity
shown
concentration
range
from
respective
LLOQs
to
1250
median
mean
recovery
102.4%.
Precision
tested
at
three
concentrations.
Method
injection
precision
adequate
relative
standard
deviation
(RSD)
below
20%.
Furthermore,
comparative
analysis
LC-MS/MS
demonstrated
reliability
results
provided
valuable
extension
analytical
scope.
As
proof
concept,
samples
German
nursery
roost
Myotis
myotis
analysed.
show
time-dependent
change
contaminant
concentration,
highlighting
whole
populations.
Graphical
Язык: Английский
Assessment of perfluoroalkyl substances concentration levels in wild bat guano samples
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Дек. 19, 2023
Perfluoroalkyl
substances
(PFASs)
are
commonly
used
in
the
production
of
various
everyday
objects,
including
among
others
kitchen
dishes,
cosmetics,
or
clothes.
They
penetrate
to
environment
and
living
organisms
causing
disturbances
functioning
many
internal
organs
systems.
Due
environmental
pollution,
wildlife
is
also
exposed
PFASs,
but
knowledge
about
this
issue
rather
limited.
The
aim
study
was
evaluate
exposure
wild
greater
mouse-eared
bats
(Myotis
myotis),
Poland,
six
selected
PFASs:
five
perfluoroalkyl
carboxylic
acids
(perfluorobutanoic
acid-PFBuA,
perfluoropentanoic
acid-PFPeA,
perfluorohexanoic
acid-PFHxA,
perfluoroheptanoic
acid-PFHpA,
perfluorooctanoic
acid-PFOA)
perfluorooctane
sulfonic
acid
(PFOS)
through
analysis
guano
samples
with
liquid
chromatography
tandem
mass
spectrometry
(LC-MS-MS)
method.
To
our
first
concerning
PFASs
levels
bats,
as
well
using
mammals
these
substances.
A
total
40
were
collected
from
4
summer
(nursery)
colonies
located
parts
Poland.
presence
mentioned
detected
all
studied,
concentration
sampling
dependent.
highest
observed
case
PFPeA
[1.34
3060
ng/g
dry
weight
(dw)]
PFHxA
(8.30-314
dw).
This
confirms
PFASs.
Язык: Английский
Biomonitoring of benzophenones in guano samples of wild bats in Poland
PLoS ONE,
Год журнала:
2024,
Номер
19(4), С. e0301727 - e0301727
Опубликована: Апрель 9, 2024
Benzophenones
(BPs)
are
substances
used
in
the
production
of
sunscreens,
cosmetics,
and
personal
care
products.
However,
there
is
a
lack
knowledge
BPs
wild
animals.
Therefore,
study
aimed
to
assess
concentration
selected
commonly
cosmetic
industry
guano
samples
collected
from
4
colonies
greater
mouse-eared
bats
(
Myotis
myotis
).
Liquid
chromatography
with
tandem
mass
spectrometry
(LC-MS/MS)
was
determine
concentrations
benzophenone
1
(BP-1),
2
(BP-2),
3
(BP-3)
8
(BP-8).
BP-1
levels
above
method
quantification
limit
(MQL)
were
noted
97.5%
fluctuated
<0.1
ng/g
259
(mean
41.50
ng/g,
median
34.8).
The
second
most
common
BP-3,
which
19
6.67
5.05),
its
higher
than
MQL
observed
40%
samples.
BP-2
BP-8
did
not
exceed
detection
(0.04
ng/g)
any
analyzed
sample.
There
visible
differences
BP-3
among
studied
bat
colonies.
Mean
11.23±13.13
76.71±65.51
differed
significantly
between
5.03±6.03
9.18±7.65
mg/g,
but
it
differ
results
show
that
suitable
matrix
for
assessment
wildlife
exposure
BPs.
This
could
be
particularly
advantageous
protected
species,
where
disturbing
stressing
animals
crucial.
Язык: Английский
An evaluation of dogs’ exposure to benzophenones through hair sample analysis
Journal of Veterinary Research,
Год журнала:
2024,
Номер
68(2), С. 303 - 312
Опубликована: Апрель 11, 2024
Abstract
Introduction
Benzophenones
(BPs)
are
used
in
various
branches
of
industry
as
ultraviolet
radiation
filters,
but
they
pollute
the
natural
environment,
penetrate
living
organisms,
and
disrupt
endocrine
balance.
Knowledge
exposure
domestic
animals
to
these
substances
is
extremely
scant.
The
aim
study
was
investigate
long-term
companion
dogs
BPs
relate
this
environmental
factors.
Material
Methods
Hair
samples
taken
from
50
bitches
under
2
over
10
years
old
were
analysed
for
BP
content
with
liquid
chromatography–tandem
mass
spectrometry.
Results
results
revealed
that
most
often
exposed
2-hydroxy-4-methoxybenzophenone
(BP-3)
4-dihydroxybenzophenone
(BP-1).
Concentration
levels
BP-3
above
method
quantification
limit
(MQL)
noted
100%
fluctuated
4.75
ng/g
1,765
ng/g.
In
turn,
concentration
BP-1
MQL
37%
ranged
<0.50
666
Various
factors
(such
use
hygiene
care
products
dog’s
diet)
found
affect
levels.
Higher
observed
castrated/spayed
required
veterinary
intervention
more
often.
Conclusion
obtained
show
analysis
hair
may
be
a
useful
matrix
biomonitoring
dogs,
toxic
them.
Язык: Английский
Potential of chitosan and activated carbon biocomposites for removing enrofloxacin and oxytetracycline from water
Revista Internacional de Contaminación Ambiental,
Год журнала:
2024,
Номер
40
Опубликована: Июнь 13, 2024
Enrofloxacin
(ENRO)
and
oxytetracycline
(OTC)
are
two
antibiotics,
which
difficult
to
remove
by
conventional
water
treatment
methods.
The
characteristics
of
the
biocomposites
suggest
that
they
could
represent
an
alternative
for
removal
this
type
substances
through
adsorption
processes.
current
study
aimed
determine
compare
potential
formed
with
chitosan
different
concentrations
activated
carbon
(AC)
a
particle
size
500
nm,
prepared
from
agave
bagasse,
enrofloxacin
solved
in
water.
effectiveness
addition
AC
(0,
0.5,
2
5%
w/v)
was
evaluated
morphological
analysis
using
scanning
electron
microscopy
(SEM).
detection
characteristic
functional
groups
carried
out
Fourier
transform
infrared
spectroscopy
(FTIR)
indicated
nanoparticles
were
attached
biocomposite,
stable
chemical
crosslinking
during
polymerization
process.
test
ENRO
(10
mg/mL)
OTC
performed
gradient
method
high-performance
liquid
chromatography
(HPLC).
results
showed
biocomposite
maximum
capacity
59.3%
(contact
time
h
at
100
rpm,
4
g
biocomposite/L
solution,
pH
6-7,
30
ºC),
50.3%
6,
ºC).
Biocomposites
can
support
development
tools
recalcitrant
antibiotics
bodies.
Язык: Английский
Maximizing benefits to bat populations through management of power line corridors
Ecological Solutions and Evidence,
Год журнала:
2024,
Номер
5(4)
Опубликована: Окт. 1, 2024
Abstract
Power
line
corridors
are
ubiquitous
worldwide
and
commonly
used
by
bats
as
habitat.
Targeted
management
of
these
corridor
habitats
has
the
potential
to
aid
bat
populations,
which
is
critically
important
given
multifaceted
threats
facing
species,
including
emerging
infectious
disease
white‐nose
syndrome
(WNS)
in
North
America.
Here,
we
review
known
impacts
existing
power
on
three
behaviours:
foraging,
roosting
commuting.
We
also
identify
United
States
that
would
benefit
from
changes
for
improvements
foraging
habitats,
particularly
species
conservation
concern
roost
forage
along
forest
edges.
Key
recommendations
avoid
disturbance
when
maintaining
vegetation
corridors,
apply
integrated
maximize
native
plant
diversity
improve
prey
options
targeted
interventions
(e.g.
artificial
creation,
creation
ponds)
a
well‐justified
ecological
context.
Practical
implication
.
highlight
high‐priority
research
topics
fill
knowledge
gaps,
testing
whether
treatments
targeting
insect
communities
increase
fitness
cause
positive
population‐level
responses
focal
species.
conclude
building
evidence
how
affected
need.
Язык: Английский