E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
485, P. 07006 - 07006
Published: Jan. 1, 2024
Wastewater
has
the
potential
to
introduce
antibiotic-resistant
bacterial
contamination
into
adjacent
river,
posing
environmental
health
risks
surrounding
community.
However,
there
is
limited
data
on
resistance
pattern
in
aquatic
environments
of
developing
countries.
This
study
aimed
explore
hazard
level
Antibiotic-Resistant
Escherichia
coli
from
effluents
and
river
water
based
enumeration
towards
thirteen
antibiotics
varying
potency.
was
performed
samples
collected
nine
segments
Upper
Citarum
River,
two
hospitals,
six
farms,
five
pharmaceutical
companies,
municipal
treatment
plants.
Agar
dilution
Chromocult®
Coliform
ES
utilized
profile
antibiotic
susceptibility.
The
results
show
that
farm
wastewater
highest
average
number
(43.347
CFU/100mL)
widest
range
(up
eight
type),
followed
by
domestic,
hospital
effluent.
Meropenem-resistant
already
detected
all
effluent
sources.
resistant
types
antibiotics,
load
increasing
downstream.
It
important
take
immediate
effective
measures
address
occurrence
environments.
Electrochimica Acta,
Journal Year:
2024,
Volume and Issue:
500, P. 144639 - 144639
Published: June 29, 2024
Antibiotics
play
a
pivotal
role
in
healthcare
and
agriculture,
but
their
overuse
environmental
presence
pose
critical
challenges.
Developing
sustainable
effective
detection
methodologies
is
crucial
to
mitigating
antibiotic
resistance
contamination.
This
study
presents
cellulosic
polymer-based
electrochemical
sensor
by
integrating
TEMPO-oxidized
cellulose
nanofibers-polyethyleneimine
hybrids
(TOCNFs-PEI)
with
single-walled
carbon
nanotube
networks
(SWCNTs).
Our
research
focuses
on
(i)
conducting
physicochemical
studies
of
multifunctional
SWCNT/TOCNFs-PEI
architectures,
(ii)
elucidating
the
relationships
between
material's
properties
performance,
(iii)
assessing
its
performance
detecting
tetracycline
concentrations
both
controlled
more
complex
matrices
(treated
wastewater
effluents).
The
limits
were
evaluated
be
0.180
µmol
L−1
(at
potential
0.85
V)
0.112
0.65
phosphate-buffered
saline
solution,
2.46
0.82
1.5
undiluted
membrane
bioreactor
effluent
sample,
respectively.
Further,
designed
sensing
architecture
compatible
large-scale
production,
paving
way
for
new
era
green,
versatile
devices.
These
developments
will
significantly
contribute
global
efforts
alleviate
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
912, P. 169573 - 169573
Published: Dec. 25, 2023
At
present,
there
is
a
serious
concern
about
the
alarming
number
of
recalcitrant
contaminants
that
can
negatively
affect
biodiversity
threatening
ecological
status
marine,
estuarine,
freshwater,
and
terrestrial
ecosystems
(e.g.,
agricultural
soils
forests).
Contaminants
emerging
(CEC)
such
as
pharmaceuticals
(PHAR),
illicit
drugs
(ID),
industrial
persistent
pollutants,
polychlorinated
biphenyls
(PCBs)
polybrominated
diphenyl
ethers
(PBDEs)
chiral
ionic
solvents
are
globally
spread
potentially
toxic
to
non-target
organisms.
More
than
half
these
have
been
measured
at
different
enantiomeric
proportions
in
diverse
ecosystems.
Enantiomers
exhibit
toxicodynamics
toxicokinetics,
thus,
cause
effects.
Therefore,
distribution
occurrence
cannot
be
neglected
toxicity
other
adverse
biological
effects
expected
enantioselective.
Hence,
this
review
aims
reinforce
recognition
stereochemistry
environmental
risk
assessment
(ERA)
CEC
gather
up-to-date
information
current
knowledge
regarding
enantioselectivity
ecotoxicity
PHAR,
ID,
pollutants
(PCBs
PBDEs)
present
freshwater
soil
We
performed
an
online
literature
search
obtain
state-of-the-art
research
enantioselective
studies
available
for
assessing
impact
classes
CEC.
Ecotoxicity
assays
carried
out
using
organisms
belonging
trophic
levels
microorganisms,
plants,
invertebrates,
vertebrates,
considering
ecologically
relevant
aquatic
species
or
models
recommended
by
regulatory
entities.
A
battery
was
also
reported
encompassing
standard
acute
sub-chronic
chronic
endpoints
biomarkers
biochemical,
morphological
alterations,
reproduction,
behavior,
etc.).
Nevertheless,
we
call
attention
lack
potential
many
several
compounds.
Additionally,
questions
key
species,
selection
most
appropriate
toxicological
ERA
addressed
critically
discussed.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(22), P. 1847 - 1847
Published: Nov. 19, 2024
This
review
explores
the
potential
of
nanomaterial-enhanced
hybrid
disinfection
methods
as
effective
strategies
for
addressing
growing
challenge
multidrug-resistant
(MDR)
bacteria
and
antibiotic
resistance
genes
(ARGs)
in
wastewater
treatment.
By
integrating
nanocomposites
nanomaterials,
natural
biocides
such
terpenes,
ultrasonication,
this
approach
significantly
enhances
efficiency
compared
to
conventional
methods.
The
highlights
mechanisms
through
which
nanomaterials
generate
reactive
oxygen
species
(ROS)
under
blue
LED
irradiation,
effectively
disrupting
MDR
while
improving
efficacy
synergistic
interactions.
Additionally,
examines
critical
operational
parameters-such
light
intensity,
catalyst
dosage,
ultrasonication
power-that
optimize
treatment
outcomes
ensure
reusability
other
without
significant
loss
photocatalytic
activity.
Furthermore,
method
shows
promise
degrading
ARGs,
thereby
both
microbial
genetic
pollution.
Overall,
underscores
need
innovative
solutions
that
are
efficient,
sustainable,
scalable,
contributing
global
fight
against
antimicrobial
resistance.
Environmental Health Insights,
Journal Year:
2025,
Volume and Issue:
19
Published: Jan. 1, 2025
Background:
Wastewater
treatment
is
crucial
to
protecting
public
health
and
the
environment
by
removing
Biohazards.
In
Ethiopia,
however,
significant
research
gaps
limit
progress,
especially
regarding
efficiency
of
Biohazard
removal
in
existing
facilities.
This
review
evaluates
effectiveness
current
methods
for
removal,
highlights
key
challenges,
offers
recommendations.
Methods:
scoping
followed
PRISMA
guidelines,
systematically
searching
databases
like
NLM.
Science
Direct,
HINARI
Scopus
studies
with
independent
reviewers
screening
analyzing
relevant
data
identify
challenges.
Results:
Out
1218
initially
recorded
title
abstract,
only
11
articles
were
selected
analysis.
The
Activated
Sludge
Process
emerged
as
a
highly
effective
system,
achieving
85%
95%
antimicrobial
resistance
(AMR)
total
coliforms.
Other
methods,
such
Conventional
Sludge,
Anaerobic-Aerobic
Reactors,
demonstrated
promising
results
but
found
select
locations.
However,
widely
adopted
Oxidation
Ponds,
Ethiopia’s
most
common
wastewater
showed
lowest
AMR
efficiency,
at
just
30%
50%.
Significant
including
inadequate
infrastructure,
high
operational
costs,
weak
regulatory
enforcement.
Conclusions
recommendations:
underscores
need
affordable
highlighting
challenges
infrastructure
costs.
To
enhance
reduce
risks
from
Biohazards
AMR,
recommendations
include
adopting
cost-effective
technologies,
strengthening
frameworks,
increasing
awareness,
promoting
corporate
responsibility,
investing
sustainable
management.