Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(7), P. 4394 - 4394
Published: March 30, 2023
The
rapid
growth
of
the
human
population
in
recent
decades
has
resulted
intensive
development
various
industries,
urban
agglomerations
and
increased
production
medicines
for
animals
humans,
plant
protection
products
fertilizers
on
an
unprecedented
scale.
Intensive
agriculture,
expanding
areas
newly
established
industrial
plants
release
huge
amounts
pollutants
into
environment,
which,
nature,
are
very
slowly
degraded
or
not
decomposed,
which
leads
to
their
accumulation
water
terrestrial
ecosystems.
Researchers
scouring
extremely
contaminated
environments
identify
organisms
that
have
ability
degrade
resistant
xenobiotics,
such
as
PAHs,
some
pharmaceuticals,
plasticizers
dyes.
These
a
potential
source
enzymes
could
be
used
bioremediation
municipal
wastewater.
Great
hopes
pinned
oxidoreductases,
including
laccase,
called
by
green
biocatalyst
because
end
product
oxidation
wide
range
substrates
this
enzyme
is
other
compounds,
most
often
dimers,
trimers
polymers.
Laccase
immobilization
techniques
use
systems
together
with
adsorption
separation
found
application
enzymatic
Bioresource Technology,
Journal Year:
2022,
Volume and Issue:
351, P. 126918 - 126918
Published: Feb. 27, 2022
Xanthan
gum
is
one
of
the
exo-polysaccharides
produced
by
bacteria
and
characterized
unique
non-Newtonian
properties.
Its
structure
conformation
strongly
depend
on
fermentation
conditions
such
factors
as
temperature
ions
concentration.
The
properties
xanthan
were
appreciated
in
controlled
drug
delivery
but
crosslinked
form.
Due
to
its
ability
enhance
survival
rate
immobilized
bacteria,
potential
a
form
promising.
Unfortunately,
crosslinking
procedures
often
require
toxic
substances
or
harsh
environmental
conditions,
which
cannot
be
used
entrapment
living
cells.
In
this
study,
we
summarised
method
that
could
potentially
modified
reduce
toxicity
Moreover,
review
also
includes
using
bioremediation
studies
possible
utilization
methods
avoid
carrier
accumulation
environment.
Bioresource Technology,
Journal Year:
2023,
Volume and Issue:
381, P. 129144 - 129144
Published: May 11, 2023
This
study
reports
a
biocatalytic
system
of
immobilized
laccase
and
3D
printed
open-structure
biopolymer
scaffoldings.
The
scaffoldings
were
computer-designed
using
polylactide
(PLA)
filament.
immobilization
onto
the
PLA
scaffolds
optimized
with
regard
to
pH,
enzyme
concentration,
time.
Laccase
resulted
in
small
reduction
reactivity
(in
terms
Michaelis
constant
maximum
reaction
rate)
but
led
significant
improvement
chemical
thermal
stability.
After
20
days
storage,
free
showed
80%
35%
retention
initial
enzymatic
activity,
respectively.
on
achieved
10%
removal
estrogens
from
real
wastewater
as
compared
reusability
potential.
Results
here
are
promising
also
highlight
need
for
further
improve
activity
reusability.
