Nature Communications,
Год журнала:
2019,
Номер
10(1)
Опубликована: Авг. 27, 2019
Abstract
Polychlorinated
dibenzo-
p
-dioxins
(PCDDs),
as
a
class
of
persistent
and
highly
toxic
organic
pollutants,
have
been
posing
great
threat
to
human
health
the
environment.
The
sensing
these
compounds
is
important
but
challenging.
Here,
we
report
stable
zirconium-based
metal-organic
framework
(MOF),
Zr
6
O
4
(OH)
8
(HCOO)
2
(CPTTA)
(BUT-17)
with
one-dimensional
hexagonal
channels
phenyl-rich
pore
surfaces
for
recognition
two
representative
PCDDs,
2,3-dichlorodibenzo-
-dioxin
(BCDD)
2,3,7,8-tetrachlorodibenzo-
(TCDD),
based
on
fluorescence
quenching.
BUT-17
exhibits
high
ability
detection
limits
low
27
57
part
per
billion
toward
BCDD
TCDD,
respectively,
very
selective
well
without
interference
similar
compounds.
demonstrated
by
single-crystal
structure
its
guest-loaded
phase,
in
which
fluorescence-quenched
complexes
form
between
adsorbed
molecules
MOF
host
through
π-π
stacking
hydrogen
bonding
interactions.
Chemical Reviews,
Год журнала:
2021,
Номер
121(20), С. 12278 - 12326
Опубликована: Июль 19, 2021
Metal-organic
frameworks
(MOFs)
have
been
widely
recognized
as
one
of
the
most
fascinating
classes
materials
from
science
and
engineering
perspectives,
benefiting
their
high
porosity
well-defined
tailored
structures
components
at
atomic
level.
Although
intrinsic
micropores
endow
size-selective
capability
surface
area,
etc.,
narrow
pores
limit
applications
toward
diffusion-control
large-size
species
involved
processes.
In
recent
years,
construction
hierarchically
porous
MOFs
(HP-MOFs),
MOF-based
composites,
derivatives
has
captured
widespread
interest
to
extend
conventional
materials.
this
Review,
advances
in
design,
synthesis,
functional
are
summarized.
Their
structural
characters
various
applications,
including
catalysis,
gas
storage
separation,
air
filtration,
sewage
treatment,
sensing
energy
storage,
demonstrated
with
typical
reports.
The
comparison
HP-MOFs
traditional
(e.g.,
zeolite,
silica,
carbons,
metal
oxides,
polymers),
subsisting
challenges,
well
future
directions
research
field,
also
indicated.
Metal-organic
frameworks
(MOFs)
are
an
interesting
and
useful
class
of
coordination
polymers,
constructed
from
metal
ion/cluster
nodes
functional
organic
ligands
through
bonds,
have
attracted
extensive
research
interest
during
the
past
decades.
Due
to
unique
features
diverse
compositions,
facile
synthesis,
easy
surface
functionalization,
high
areas,
adjustable
porosity,
tunable
biocompatibility,
MOFs
been
widely
used
in
hydrogen/methane
storage,
catalysis,
biological
imaging
sensing,
drug
delivery,
desalination,
gas
separation,
magnetic
electronic
devices,
nonlinear
optics,
water
vapor
capture,
etc.
Notably,
with
rapid
development
synthetic
methods
functionalization
strategies,
smart
MOF-based
nanocomposites
advanced
bio-related
properties
designed
fabricated
meet
growing
demands
MOF
materials
for
biomedical
applications.
This
work
outlines
synthesis
recent
advances
fields,
including
cargo
(drugs,
nucleic
acids,
proteins,
dyes)
delivery
cancer
therapy,
bioimaging,
antimicrobial,
biosensing,
biocatalysis.
The
prospects
challenges
field
also
discussed.
Chemical Reviews,
Год журнала:
2021,
Номер
121(3), С. 1077 - 1129
Опубликована: Янв. 13, 2021
Because
of
their
efficiency,
selectivity,
and
environmental
sustainability,
there
are
significant
opportunities
for
enzymes
in
chemical
synthesis
biotechnology.
However,
as
the
three-dimensional
active
structure
is
predominantly
maintained
by
weaker
noncovalent
interactions,
thermal,
pH,
stressors
can
modify
or
eliminate
activity.
Metal–organic
frameworks
(MOFs),
which
extended
porous
network
materials
assembled
a
bottom-up
building
block
approach
from
metal-based
nodes
organic
linkers,
be
used
to
afford
protection
enzymes.
The
self-assembled
structures
MOFs
encase
an
enzyme
process
called
encapsulation
when
MOF
synthesized
presence
biomolecule.
Alternatively,
infiltrated
into
mesoporous
surface
bound
via
covalent
processes.
Integration
this
way
affords
allows
maintain
activity
challenge
conditions
(e.g.,
denaturing
agents,
elevated
temperature,
non-native
solvents).
In
addition
forming
simple
enzyme/MOF
biocomposites,
other
introduced
composites
improve
recovery
facilitate
advanced
applications
sensing
fuel
cell
technology.
This
review
canvasses
encapsulation,
pore
infiltration,
adsorption
summarizes
strategies
form
multicomponent
composites.
Also,
given
that
biocomposites
straddle
chemistry
enzymology,
provides
assessment
characterization
methodologies
MOF-immobilized
identifies
some
key
parameters
development
field.
Chemical Society Reviews,
Год журнала:
2020,
Номер
49(20), С. 7406 - 7427
Опубликована: Янв. 1, 2020
Since
the
first
reports
of
metal-organic
frameworks
(MOFs),
this
unique
class
crystalline,
porous
materials
has
garnered
increasing
attention
in
a
wide
variety
applications
such
as
gas
storage
and
separation,
catalysis,
enzyme
immobilization,
drug
delivery,
water
capture,
sensing.
A
fundamental
feature
MOFs
is
their
porosity
which
provides
space
on
micro-
meso-scale
for
confining
exposing
functionalities.
Therefore,
designing
with
high
developing
suitable
activation
methods
preserving
accessing
pore
have
been
common
theme
MOF
research.
Reticular
chemistry
allows
facile
design
from
highly
tunable
metal
nodes
organic
linkers
order
to
realize
different
structures,
topologies,
With
hope
shedding
light
future
research
endeavors
porosity,
it
worthwhile
examine
development
MOFs,
an
emphasis
how
properly
access
space.
In
review,
we
will
provide
overview
historic
evolution
followed
by
synopsis
strategies
preserve
permanent
MOFs.
Journal of the American Chemical Society,
Год журнала:
2018,
Номер
140(17), С. 5678 - 5681
Опубликована: Апрель 11, 2018
Diabetes
affects
millions
of
people
worldwide
and
the
number
diagnoses
continues
to
climb
annually.
Though
several
effective
medications
therapeutic
methods
have
been
developed
treat
type
1
(T1DM)
2
(T2DM)
diabetes
mellitus,
direct
insulin
injection
remains
only
treatment
for
resistant
(IR)
patients.
Here,
we
immobilize
in
a
crystalline
mesoporous
metal-organic
framework
(MOF),
NU-1000,
obtain
high
loading
∼40
wt
%
30
min.
The
acid-stable
MOF
capsules
are
found
effectively
prevent
from
degrading
presence
stomach
acid
digestive
enzyme,
pepsin.
Furthermore,
encapsulated
can
be
released
NU-1000
under
simulated
physiological
conditions.
Journal of the American Chemical Society,
Год журнала:
2018,
Номер
140(40), С. 12940 - 12946
Опубликована: Сен. 14, 2018
The
separation
of
ethane
from
its
analogous
ethylene
is
great
importance
in
the
petrochemical
industry,
but
very
challenging
and
energy
intensive.
Adsorptive
using
C2H6-selective
porous
materials
can
directly
produce
high-purity
C2H4
a
single
operation
suffers
poor
selectivity.
Here,
we
report
an
approach
to
boost
C2H6
over
C2H4,
involving
control
pore
structures
two
isoreticular
ultramicroporous
metal–organic
framework
(MOF)
with
weakly
polar
surface
for
strengthened
binding
affinity
toward
C2H4.
Under
ambient
conditions,
prototypical
compound
shows
small
uptake
difference
selectivity
C2H6/C2H4,
whereas
smaller-pore
analogue
exhibits
quite
large
ratio
237%
(60.0/25.3
cm3
cm–3),
remarkably
increasing
C2H6/C2H4
Neutron
powder
diffraction
studies
clearly
reveal
that
latter
material
self-adaptive
sorption
behavior
C2H6,
which
enables
it
continuously
maintain
close
van
der
Waals
contacts
molecules
optimized
structure,
thus
preferentially
binds
Gas
isotherms,
crystallographic
analyses,
molecular
modeling,
calculation,
breakthrough
experiment
comprehensively
demonstrate
this
unique
MOF
as
efficient
adsorbent
purification.