Molecules,
Год журнала:
2024,
Номер
29(21), С. 5090 - 5090
Опубликована: Окт. 28, 2024
Carbon–carbon
bond
formation
represents
a
key
reaction
in
organic
synthesis,
resulting
paramount
importance
for
constructing
the
carbon
backbone
of
molecules.
However,
traditional
metal-based
catalysis,
despite
its
advantages,
often
struggles
with
issues
related
to
efficiency,
selectivity,
and
sustainability.
On
other
hand,
while
biocatalysis
offers
superior
selectivity
due
an
extraordinary
recognition
process
substrate,
scope
applicable
reactions
remains
somewhat
limited.
In
this
context,
Artificial
Metalloenzymes
(ArMs)
Metallo
Peptides
(MPs)
offer
promising
not
fully
explored
solution,
merging
two
fields
transition
metal
catalysis
biotransformations,
by
inserting
catalytically
active
cofactor
into
customizable
protein
scaffold
or
coordinating
ion
directly
short
tunable
amino
acid
(Aa)
sequence,
respectively.
As
result,
these
hybrid
catalysts
have
gained
attention
as
valuable
tools
challenging
catalytic
transformations,
providing
systems
new-to-nature
properties
synthesis.
This
review
overview
recent
advances
development
ArMs
MPs,
focusing
on
their
application
asymmetric
carbon–carbon
bond-forming
reactions,
such
carbene
insertion,
Michael
additions,
Friedel–Crafts
cross-coupling
cyclopropanation,
underscoring
versatility
synthesizing
biologically
relevant
compounds.
Chemical Society Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
This
review
highlights
recent
advances
in
phenylalanine
supramolecular
assemblies,
emphasizing
their
applications
pathology
and
device
technology
underscoring
significance
for
future
innovations.
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 7, 2024
The
fusion
assembly
strategy
of
supramolecular
chemistry
combined
with
dynamic
covalent
has
provided
novel
insights
into
the
design
precision
nutrition
and
intelligent
drug
delivery
carriers.
This
work
involved
development
a
self-assembly
originating
from
entropy-
enthalpy-driven
bonding
on
Schiff
bases
between
egg
white-derived
peptide
Gln-Ile-Gly-Leu-Phe
(QIGLF)
glutaraldehyde
(GA),
denoted
QIGLF–GA.
exhibited
outstanding
characteristics
multiwavelength
autofluorescence
properties.
Benefiting
potent
facilitation
interaction
base
noncovalent
force
network,
QIGLF–GA
was
afforded
an
encapsulation
capacity
curcumin
(Cur)
more
than
22%
(≫
10%)
rationally
inhibited
P-glycoprotein-mediated
cellular
efflux
markedly
elevated
efficacy
Cur
in
overcoming
intestinal
epithelial
absorption
barrier
to
circulation
help
endocytosis.
Furthermore,
QIGLF–GA-Cur
features
responsive
release
under
weakly
acidic
conditions,
which
dramatically
contributes
intracellular
bioavailability
Cur.
Biomacromolecules,
Год журнала:
2024,
Номер
25(5), С. 3169 - 3177
Опубликована: Апрель 29, 2024
Achieving
precise
control
over
gelator
alignment
and
morphology
is
crucial
for
crafting
tailored
materials
supramolecular
structures
with
distinct
properties.
We
successfully
aligned
the
self-assembled
micelles
formed
by
a
functionalized
dipeptide
2NapFF
into
long
1-D
"gel
noodles"
cross-linking
divalent
metal
chlorides.
identify
most
effective
cross-linker
alignment,
enhancing
mechanical
stability,
imparting
functional
Our
study
shows
that
Group
2
ions
are
particularly
suited
creating
mechanically
robust
yet
flexible
gel
noodles
because
of
their
ionic
nondirectional
bonding
carboxylate
groups.
In
contrast,
covalent
nature
high
directional
bonds
d-block
carboxylates
tend
to
disrupt
self-assembly
2NapFF.
Furthermore,
2NapFF-Cu
demonstrated
selective
antibacterial
activity,
indicating
potent
property
copper(II)
ion
preserved
within
cross-linked
system.
By
merging
insights
molecular
extrusion
processing,
integrating
specific
functionalities,
we
illustrate
how
versatility
dipeptide-based
gels
can
be
utilized
in
next-generation
soft
materials.
Chemistry of Materials,
Год журнала:
2024,
Номер
36(10), С. 5050 - 5062
Опубликована: Май 14, 2024
This
paper
investigates
self-sorting
and
triggered
assembly
of
multicomponent
gels
that
combine
sorbitol-based
low-molecular-weight
gelator
(LMWG)
DBS-CONHNH2
peptide-based
LMWG
Nap-FF,
with
the
Nap-FF
being
either
using
glucono-δ-lactone
(GdL)
to
lower
pH
or
CaCl2.
Changing
triggers
alters
way
assembles
on
molecular
scale
as
its
acid
form
calcium
salt,
leading
different
nanoscale
networks
rheological
behaviors.
The
choice
trigger
impacts
properties
two-component
formed
DBS-CONHNH2.
Using
trigger,
LMWGs
self-sort
level
into
their
own
distinct
assemblies.
However,
when
a
GdL
sheet-like
assemblies
encourage
assembly,
two
interacting
one
another
network
result
interactions
between
acylhydrazide
carboxylic
acid.
Conversely,
CaCl2
fibrillar
are
independent
level,
bound
in
carboxylate
unable
interact
As
such,
GdL-triggering
leads
molecular-level
network-level
coassembly,
while
CaCl2-triggering
both
self-sorting.
Injecting
preformed
gel,
followed
by
diffusion,
creates
dynamic,
evolving,
spatially-resolved
self-sorted
gels,
stiffnesses
differing
2
orders
magnitude
domains.
Given
mild,
biocompatible
nature
CaCl2,
it
is
suggested
this
ion
diffusion
approach
spatiotemporally
resolved
patterning
multidomain
may
have
future
relevance
cell-based
studies.
Abstract
Owing
to
their
unique
attributes,
including
reversibility,
specificity,
directionality,
and
tunability,
supramolecular
biomaterials
have
evolved
as
an
excellent
alternative
conventional
like
polymers,
ceramics,
metals.
Supramolecular
hydrogels,
in
particular,
garnered
significant
interest
because
fibrous
architecture,
high
water
content,
interconnected
3D
network
resemble
the
extracellular
matrix
some
extent.
Consequently,
hydrogels
been
used
develop
for
tissue
engineering.
conductive
combine
advantages
of
soft
materials
with
electrical
properties
metals,
making
them
highly
relevant
electrogenic
Given
versatile
applications
these
it
is
essential
periodically
review
high‐quality
research
this
area.
In
review,
we
focus
on
recent
advances
particularly
We
discuss
components
highlight
notable
reports
use
cardiac,
skin,
neural
Additionally,
outline
potential
future
developments
field.
Molecules,
Год журнала:
2024,
Номер
29(21), С. 5090 - 5090
Опубликована: Окт. 28, 2024
Carbon–carbon
bond
formation
represents
a
key
reaction
in
organic
synthesis,
resulting
paramount
importance
for
constructing
the
carbon
backbone
of
molecules.
However,
traditional
metal-based
catalysis,
despite
its
advantages,
often
struggles
with
issues
related
to
efficiency,
selectivity,
and
sustainability.
On
other
hand,
while
biocatalysis
offers
superior
selectivity
due
an
extraordinary
recognition
process
substrate,
scope
applicable
reactions
remains
somewhat
limited.
In
this
context,
Artificial
Metalloenzymes
(ArMs)
Metallo
Peptides
(MPs)
offer
promising
not
fully
explored
solution,
merging
two
fields
transition
metal
catalysis
biotransformations,
by
inserting
catalytically
active
cofactor
into
customizable
protein
scaffold
or
coordinating
ion
directly
short
tunable
amino
acid
(Aa)
sequence,
respectively.
As
result,
these
hybrid
catalysts
have
gained
attention
as
valuable
tools
challenging
catalytic
transformations,
providing
systems
new-to-nature
properties
synthesis.
This
review
overview
recent
advances
development
ArMs
MPs,
focusing
on
their
application
asymmetric
carbon–carbon
bond-forming
reactions,
such
carbene
insertion,
Michael
additions,
Friedel–Crafts
cross-coupling
cyclopropanation,
underscoring
versatility
synthesizing
biologically
relevant
compounds.