Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Nov. 1, 2024
Spatial
organization
of
microbes
in
biofilms
enables
crucial
community
function
such
as
division
labor.
However,
quantitative
understanding
emergent
properties
remains
limited
due
to
a
scarcity
tools
for
patterning
heterogeneous
biofilms.
Here
we
develop
synthetic
optogenetic
toolkit
'Multipattern
Biofilm
Lithography'
rational
engineering
and
orthogonal
multi-strain
biofilms,
inspired
by
successive
adhesion
phenotypic
differentiation
natural
We
apply
this
profile
the
growth
dynamics
biofilm
communities,
observe
emergence
spatially
modulated
commensal
relationships
shared
antibiotic
protection
against
beta-lactam
ampicillin.
Supported
biophysical
modeling,
these
results
yield
in-vivo
measurements
key
parameters,
e.g.,
molecular
beta-lactamase
production
per
cell
length
scale
zone
protection.
Our
toolbox
associated
findings
provide
insights
into
spatial
distributed
within
with
direct
implications
future
research
engineering.
Environmental Research Letters,
Journal Year:
2024,
Volume and Issue:
19(7), P. 073002 - 073002
Published: June 10, 2024
Abstract
Hydropower
reservoirs,
as
vital
inland
waters
bodies
of
anthropogenic
origin,
exhibit
distinct
characteristics
from
natural
waters,
thereby
garnering
research
interest
in
the
quantification
and
mapping
greenhouse
gas
(GHG)
emissions.
In
this
review,
we
systematically
examine
studies
focusing
on
GHG
emissions
hydropower
reservoirs.
We
identify
two
key
primary
physical
mechanisms
resulting
river
damming,
namely
water
impoundment
regulation,
which
can
significantly
influence
Reservoirs
vary
size,
with
smaller
reservoirs
exhibiting
higher
CH
4
per
unit
area.
For
instance,
small
have
an
average
flux
rate
327.54
mg
C–CH
/m
2
/day,
while
medium-sized
emit
267.12
large
ones
37.34
/day.
This
difference
is
potentially
attributable
to
shorter
residence
times
increased
susceptibility
littoral
disturbance.
addition
reservoir
scale,
variations
between
are
also
influenced
by
type
hydropower.
Run-of-river
closed-loop
pumped
storage
(PSH)
systems
anticipated
lower
(PSH:
4.2–46.5
/day)
comparison
conventional
hydropower,
owing
their
operational
characteristics,
facilitating
mixing
oxygenation
within
column
reducing
sedimentation.
Nonetheless,
further
field
measurements
warranted.
Through
integration
literature
insights,
propose
solutions
aimed
at
managing
emissions,
considering
both
planning.
Ultimately,
these
findings
will
advance
our
understanding
facilitate
sustainable
carbon
reduction
management
practices.
The Innovation Materials,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100090 - 100090
Published: Jan. 1, 2024
<p>Anthropogenic
climate
and
environmental
changes
increasingly
threaten
the
sustainability
of
life
on
Earth,
hindering
sustainable
development
human
societies.
These
detrimental
ecological
are
driven
by
activities
that
have
elevated
atmospheric
levels
greenhouse
gases
toxic
substances,
increased
inorganic
organic
pollutants
in
water
bodies,
led
to
accumulation
solid
waste
soils.
Over
next
two
three
decades,
impacts
change,
pollution,
soil
contamination
expected
intensify,
posing
increasing
risks
health
global
stability.
Considering
these
trends,
it
is
essential
implement
robust
mitigation
adaptation
strategies.
This
paper
analyzes
pollution
problems
from
perspectives
atmospheric,
water,
contamination.
It
summarizes
current
research
heterogeneous
catalysis
for
treating
gaseous,
liquid,
phases,
with
an
emphasis
key
challenges
applying
catalytic
conversion
technologies
cost-effective
industrial
settings.
Finally,
strategies
mitigating
via
discussed
material
flow,
energy
data
flow.
aims
offer
scientific
insights
enhance
future
practice
remediation.</p>
Microbial Biotechnology,
Journal Year:
2024,
Volume and Issue:
17(8)
Published: Aug. 1, 2024
Methane
capture
via
oxidation
is
considered
one
of
the
'Holy
Grails'
catalysis
(Tucci
and
Rosenzweig,
2024).
also
a
primary
greenhouse
gas
that
has
to
be
reduced
by
1.2
billion
metric
tonnes
in
10
years
decrease
global
warming
only
0.23°C
(He
Lidstrom,
2024);
hence,
new
technologies
are
needed
reduce
atmospheric
methane
levels.
In
Nature,
captured
aerobically
methanotrophs
anaerobically
anaerobic
methanotrophic
archaea;
however,
process
dominates.
Here,
we
describe
history
potential
using
two
remarkable
enzymes
have
been
cloned
with
activity
for
capturing
methane:
aerobic
soluble
monooxygenase
methyl-coenzyme
M
reductase.
We
suggest
these
may
play
prominent,
sustainable
role
addressing
our
current
crisis.
