Protein-cell conjugates as artificial surface display for interfacial biocatalysis
Chemical Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
We
developed
an
artificial
interface
display
strategy
that
overcomes
the
longstanding
challenges
of
cellular
fragility
and
enzyme
instability
in
whole-cell
interfacial
catalysis
by
engineered
living
E.
coli
cells
with
interface-active
proteins.
Язык: Английский
Halogen Bonding-Driven Supramolecular Polymers Based on Pillararenes for Efficient Iodine Capture
ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 1905 - 1913
Опубликована: Апрель 16, 2025
Язык: Английский
Monomeric, Oligomeric, Polymeric, and Supramolecular Cyclodextrins as Catalysts for Green Chemistry
Research,
Год журнала:
2024,
Номер
7
Опубликована: Янв. 1, 2024
This
review
comprehensively
covers
recent
developments
of
cyclodextrin-mediated
chemical
transformations
for
green
chemistry.
These
cyclic
oligomers
glucose
are
nontoxic,
eco-friendly,
and
recyclable
to
accomplish
eminent
functions
in
water.
Their
most
important
feature
is
form
inclusion
complexes
with
reactants,
intermediates,
and/or
catalysts.
As
a
result,
their
cavities
serve
as
sterically
restricted
apolar
reaction
fields
promote
the
efficiency
selectivity
reactions.
Furthermore,
unstable
reagents
intermediates
protected
from
undesired
side
The
scope
applications
has
been
further
widened
through
covalent
or
noncovalent
modifications.
Combinations
them
metal
catalysis
especially
successful.
In
terms
these
effects,
various
reactions
achieved
high
yield
so
that
valuable
chemicals
synthesized
multiple
components
one-pot
cyclodextrin
units
orderly
assembled
polymers
show
cooperation
advanced
properties.
Recently,
cyclodextrin-based
metal–organic
frameworks
polyoxometalate–cyclodextrin
have
fabricated
employed
unique
applications.
Cyclodextrins
fulfill
many
requirements
chemistry
should
make
enormous
contributions
this
growing
field.
Язык: Английский
Upgrading the Bioinspired Iron-Polyporphyrin Structures by Abiological Metals Toward New-Generation Reactive Oxygen Biocatalysts
Nano Letters,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 27, 2024
Developing
artificial
enzymes
based
on
organic
molecules
or
polymers
for
reactive
oxygen
biocatalysis
has
broad
applicability.
Here,
inspired
by
heme-based
enzyme
systems,
we
construct
the
abiological
iron
group
metal-based
polyporphyrin
(Ru/Os-coordinated
porphyrin-based
biocatalyst,
Ru/Os-PorBC)
to
serve
as
a
new
generation
of
efficient
and
versatile
species
(ROS)-related
biocatalyst.
Due
structural
benefits,
including
excellent
electron
configuration,
appropriate
bandgap,
optimized
adsorption
activation
reaction
intermediates,
Ru/Os-PorBC
shows
unparalleled
ROS-production
activities
regarding
maximum
rate
turnover
numbers,
which
also
demonstrates
superior
pH
temperature
adaptability
compared
natural
enzymes.
Impressively,
Os-PorBC
manifests
most
efficacious
capabilities,
surpassing
not
only
Ru/Fe-PorBC
but
existing
state-of-the-art
ROS-related
Our
findings
provide
pivotal
direction
developing
next-generation
polyporphyrin-based
biocatalysts,
setting
stage
era
upgrading
metalloenzymes
metals.
Язык: Английский
Optimization of Interfacial Properties Improved the Stability and Activity of the Catalase Enzyme Immobilized on Plastic Nanobeads
Langmuir,
Год журнала:
2024,
Номер
40(31), С. 16338 - 16348
Опубликована: Июль 27, 2024
The
immobilization
of
catalase
(CAT),
a
crucial
oxidoreductase
enzyme
involved
in
quenching
reactive
oxygen
species,
on
colloids
and
nanoparticles
presents
promising
strategy
to
improve
dispersion
storage
stability
while
maintaining
its
activity.
Here,
the
CAT
onto
polymeric
(positively
(AL)
or
negatively
(SL)
charged)
was
implemented
directly
via
surface
functionalization
with
water-soluble
chitosan
derivatives
(glycol
(GC)
methyl
glycol
(MGC)).
interfacial
properties
were
optimized
obtain
highly
stable
AL-CAT,
SL-GC-CAT,
SL-MGC-CAT
dispersions,
confocal
microscopy
confirmed
presence
composites.
Assessment
hydrogen
peroxide
decomposition
ability
revealed
that
applying
process
not
only
enhanced
colloidal
but
also
augmented
activity
reusability
CAT.
In
particular,
use
MGC
has
led
significant
advances,
indicating
potential
for
industrial
biomedical
applications.
Overall,
findings
highlight
advantages
using
processes
maintain
as
well
provide
important
data
development
processable
enzyme-based
nanoparticle
systems
combat
species.
Язык: Английский
Synthesis of supramolecular polymers with calix[4]arene and β-cyclodextrin and their application in heavy metal ion absorption
RSC Advances,
Год журнала:
2024,
Номер
14(48), С. 35697 - 35703
Опубликована: Янв. 1, 2024
Two
categories
of
supramolecular
polymer
monomers
were
produced
by
introducing
the
ureidopyrimidone
quadruple-hydrogen
bonding
assemblies
on
calix[4]arene
and
β-cyclodextrin
host
units.
The
adsorption
capacity
these
polymers
for
different
metal
ions
was
investigated
static
adsorption.
results
showed
that
at
pH
=
6
when
equilibrium
reached,
with
calixarene
as
main
body
adsorbed
up
to
99%
Pb
Язык: Английский