Chemico-Biological Interactions,
Год журнала:
2024,
Номер
405, С. 111309 - 111309
Опубликована: Ноя. 12, 2024
Today,
plastic
pollution
is
a
widespread
problem
in
all
ecosystems
and
has
particularly
severe
impact
on
marine
external
fertilisers
such
as
the
mussel
Mytilus
galloprovincialis.
The
present
study
aims
to
assess
toxicological
reproductive
health
effects
this
organism
following
exposure
two
concentrations
of
polystyrene
microplastics
(PS-MPs)
(0.5
1
μg/L),
representative
conditions
Mediterranean
Sea.
After
exposure,
electrophoretic
pattern
protamine-like
(PL)
proteins,
major
basic
protein
component
galloprovincialis
sperm
chromatin,
was
analysed.
Compared
unexposed
condition,
differences
were
observed
by
SDS-PAGE
an
increased
ability
PL
bind
protect
DNA
from
oxidative
damage
then
measured,
for
mussels
exposed
μg/L
PS-MPs.
At
dose
PS-MPs,
reduced
release
PLs
nuclei
also
observed,
whereas
digestion
micrococcal
nuclease
did
not
show
any
significant
between
conditions.
Finally,
possibility
poly(ADP)-ribosylation
investigated.
PL-II
showed
increase
after
PS-MPs
which
may
account
difference
DNA.
In
conclusion,
while
results
might
suggest
molecular
mechanism
gametic
plasticity
occurring
upon
μg/L,
they
indicate
that
could
be
extremely
detrimental
because
it
prevent
nuclear
proteins
at
fertilisation.
Heliyon,
Год журнала:
2023,
Номер
9(1), С. e13027 - e13027
Опубликована: Янв. 1, 2023
The
scarcity
of
freshwater
in
most
the
megacities
world
is
an
important
concern.
In
this
regard,
scientifically
harvested
rainwater
could
provide
effective
measure
to
crisis.
attempt,
we
developed
a
cost-effective
sensor-based
automated
first-flush
harvesting
system
(RHS)
improve
and
economic
development
like
Dhaka,
Bangladesh.
To
investigate
performance
system,
suit
representative
samples
was
systematically
collected,
preserved,
assessed
between
months
July-December
2021
for
water
quality
parameters
such
as
physicochemical
(pH,
EC,
TDS,
DO,
hardness,
alkalinity),
anions
(F-,
Cl-,
NO2-,
NO3-,
Br-,
SO42-),
elemental
(Ca,
Mg,
Cr,
As,
Cd,
Hg,
Pb,
Be,
Ni,
Se,
Fe),
microbial
contamination
analysis.
A
Multiparameter
digital
meter
titrimetric
method
were
employed
measuring
properties
whereas
concentration
detected
using
inductively
coupled
plasma-mass
spectrometer
atomic
absorption
spectrometer.
changes
preserved
investigated
from
time
during
whole
experimental
period.
findings
showed
that
mean
pH
(6.90)
concentrations
(mg/L)
other
concerning
TDS
(15.5),
DO
(7.26),
hardness
(14.9),
Cl-
(3.59),
NO3-
(4.84),
SO42-
(4.62),
Fe
(<0.2),
Cr
(0.086
μg/L),
As
(0.224
Cd
(0.260
Hg
(0.270
Pb
(5.530
μg/L)
below
WHO
drinking
guidelines
literature
data
implying
derived
RHS
completely
safe
uses
even
respect
(total
bacterial
counts:
0-15
CFU/mL,
total
fecal
coliform
less
than
1.8
MPN/100
mL)
long
storage.
Hence,
technology
has
huge
opportunity
mitigate
groundwater
depletion
issues,
especially
Environment International,
Год журнала:
2024,
Номер
188, С. 108774 - 108774
Опубликована: Май 25, 2024
Fusion
energy
investigation
has
stepped
to
a
new
stage
adopting
deuterium
and
tritium
as
fuels
from
the
previous
concentrating
hydrogen
plasma
physics.
Special
radiation
safety
issues
would
be
introduced
during
this
stage.
In
addition
industrial
military
uses,
tungsten
is
also
regarded
most
promising
facing
material
for
fusion
reactors.
During
operation
of
reactors,
tungsten-based
materials
can
activated
via
neutron
nuclear
reaction.
Meanwhile,
dust
produced
when
high-energy
interacts
with
materials,
namely
wall
interaction.
Activated
an
emerging
environmental
pollutant
toxicity
containing
various
radionuclides
in
chemical
itself.
Nonetheless,
historical
underestimation
its
availability
led
limited
research
on
compared
other
contaminants.
This
paper
presents
first
systematic
review
issue
dust,
encompassing
source
terms,
behaviors,
health
effects.
The
key
contents
are
follows:
1)
detail
terms
aspects
basic
properties,
generation
mechanism,
physical
morphology
component,
radioactivity,
well
potential
release
pathways,
2)
illustrate
behaviors
atmospheric
dispersion
deposition,
transformation
migration
soil,
plant
absorption
distribution,
3)
identify
effects
plants,
distribution
human
body,
by
toxicity,
4)
based
progress,
development
needed
pointed
out
better
knowledge
which
beneficial
area
ecological
impact
caused
routine
related
applications.
PLOS Water,
Год журнала:
2025,
Номер
4(1), С. e0000174 - e0000174
Опубликована: Янв. 3, 2025
A
crisis
in
freshwater
supplies
is
now
one
of
the
major
problems
threatening
livelihoods
people
living
coastal
regions
Bangladesh.
This
scarcity
inextricably
linked
to
people’s
occupations
and
various
forms
capital.
phenomenon
intensifies
risk
vulnerability
households
determines
their
position
power
dynamics
with
reference
caste,
religion,
community
standing
social
status.
study
used
livelihood
assessment
index
(LAI)
evaluate
five
capitals
current
strategies
three
purposefully
selected
In
total,
338
respondents
were
based
on
simple
random
sampling
method.
They
proportionately
distributed
through
multistage
samplings
from
Bagerhat,
Khulna
Satkhira
Districts
named,
respectively,
shoreline
(Rajoir),
interim
(Gangarampur)
inland
(Ganapatipur).
Data
collected
a
semi-structured
self-administered
questionnaire
where
(sub)indicators
(52/29)
adapted
previous
studies
analyzed
using
SPSS.
The
revealed
definitive
human
natural
trends
(shoreline>interim>inland).
Physical,
financial
capital
indices
defined
as:
inland>interim>shoreline;
interim>inland>shoreline;
interim>shoreline
=
inland,
respectively.
result
found
that
indicators,
quality
education
(.472)
water
experience
(.647)
higher
area
than
inland.
Natural
availability
(.342),
fertility
agricultural
land
(.663),
sufficiency
(.334)
access
open
sanctuary
(.777)
also
area.
LAI
highlighted
tendency
increase
(.323
<
.342
.344)
reported
as
poor
(shoreline)
moderate
(interim
inland).
employed
different
such
changing
over
time,
agriculture
or
farming
patterns,
harvesting
rainwater,
increasing
dependence
surface
water.
Finally,
findings
this
research
will
benefit
households,
policymakers
development
organizations
formulate
policies
projects
along
entire
Progress in Disaster Science,
Год журнала:
2022,
Номер
16, С. 100261 - 100261
Опубликована: Ноя. 1, 2022
This
study
developed
a
geo-spatial
framework
for
assessing
multi-hazard
threat
on
the
Bangladesh
coast,
integrating
environmental
hazards
(EH),
geo-environmental
attributes
(GA),
and
anthropogenic
modifications
(AM)
based
their
potential
contribution
to
overall
threat.
For
this
purpose,
fuzzy
logic
analytical
technique
was
integrated
with
geospatial
mapping.
Thematic
layers
were
prepared
twenty-three
theoretically
important
factors
representing
three
components
of
The
spatial
variations
its
delineated
through
overlaying
respective
in
GIS
environment.
final
map
revealed
32%
(5338
km2)
4%
(646
area
western
deltaic
which
encompassed
>50–60%
areas
Khulna,
Bagerhat,
Satkhira
districts,
under
high
very
threat,
respectively,
owing
primarily
frequent
cyclones,
salinity
ingression,
subsidence,
secondarily
low
elevation
astronomical
tide,
shallow
bathymetry,
excessive
groundwater
extraction,
polder
construction.
High
zones
within
central
estuarine
coast
corresponded
27%
(4518
16%
(2618
area,
including
most
Bhola,
Barguna,
Patuakhali
attributable
effects
coastal
erosion,
sea-level
rise,
flooding
ancillary
strong
wave
action,
river
discharge,
deforestation,
land
transformation.
Around
14%
(948
3%
(164
eastern
cliff
comprising
southwestern
part
Coxsbazar
district,
found
be
due
direct
storm
surge,
indirect
closeness
shoreline,
alluvial
composition
beach,
tourism,
pollution
from
industries.
outcomes
could
guide
managers
prioritizing
actions
aimed
at
disaster
risk
reduction
sustainable
development
region.
Journal of Hazardous Materials Advances,
Год журнала:
2023,
Номер
10, С. 100278 - 100278
Опубликована: Март 12, 2023
The
purpose
of
this
study
was
to
assess
the
water
quality
index
(WQI),
heavy
metal
evaluation
(HEI),
pollution
(HPI)
and
hazard
(HI),
associated
environmental/human
health
issues
south-western
coastal
Bangladesh
(SWCB).
Rajoir,
Gangarampur
Ganapatipur
villages
were
purposively
selected
from
shoreline
(X),
interim
(Y)
inland
(Z)
coast
SWCB.
40
ground
samples
collected
20
sampling
sites;
18
variables,
such
as,
temperature,
pH,
electrical
conductivity
(EC),
dissolved
solids
(TDS),
suspended
solids,
dissolve
oxygen,
total
hardness,
Cl,
K,
Ca,
Cr,
Mn,
Fe,
Ni,
Cu,
Zn,
Cd
Pb
ions
tested
perform
study.
In
addition,
four
focus
group
discussions
also
conducted
understand
current
scenarios.
strong
positive
correlation
between
EC:Cu
(r
=
0.856),
TDS:Mn
0.664),
TDS:Cu
0.880),
K:Mn
(0.736)
Mn:Cu
0.601)
suggested
homogeneous
sources
origin
or/and
anthropogenic
activities
or
pollutant
movement
these
variables.
changing
patterns
mean
WQI,
HEI,
HPI,
HIinfant,
HIchild
HIadult
area
X(79.19)Y(4.93)>Z(3.79);
X(78.66)