Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 4, 2023
Abstract
In
the
current
research,
a
green
strategy
to
synthesis
carbon
quantum
dots
(CQDs)
with
yield
(QY)
of
nearly
19%
has
been
successfully
established.
Subsequently,
different
features
as-prepared
CQDs
was
evaluated
by
detailed
analyses
including
high
resolution
transmission
electron
microscopy
(HRTEM),
Fourier
transform
infrared
spectroscopy
(FTIR),
X-ray
photoelectron
(XPS),
and
photoluminescence
(PL)
spectra.
The
proved
that
obtained
here
had
various
advantages
such
as
quasi-spherical
shape,
functional
groups,
great
optical
features.
Additionally,
as-synthesized
were
employed
for
detection
Ibuprofen
based
on
interactions
between
diverse
groups
-OH,
C-H,
N-H
existed
surface
CQDs,
resulting
in
aggregations
facilitate
quench
fluorescence
(FL)
CQDs.
Furthermore,
results
indicated
can
detect
linear
range
0
100
µM
limit
(LOD)
1.18
(signal
noise
ratio
3).
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
265, P. 131007 - 131007
Published: March 18, 2024
Derived
from
bountiful
marine
organisms
(predominantly
algae,
fauna,
and
microorganisms),
polysaccharides
oligosaccharides
are
intricate
macromolecules
that
play
a
significant
role
in
the
growth
development
of
life.
Recently,
considerable
attention
has
been
paid
to
as
auspicious
natural
products
due
their
promising
biological
attributes.
Herein,
we
provide
an
overview
recent
advances
miscellaneous
activities
encompasses
anti-cancer,
anti-inflammatory,
antibacterial,
antiviral,
antioxidant,
anti-diabetes
mellitus,
anticoagulant
properties.
Furthermore,
furnish
concise
summary
underlying
mechanisms
governing
behavior
these
macromolecules.
We
hope
this
review
inspires
research
on
medicinal
applications
while
offering
fresh
perspectives
broader
facets.
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
264, P. 130550 - 130550
Published: March 1, 2024
A
novel
endo-1,4-β-xylanase-encoding
gene
was
identified
in
Alicyclobacillus
mali
FL18
and
the
recombinant
protein,
named
AmXyn,
purified
biochemically
characterized.
The
monomeric
enzyme
worked
optimally
at
pH
6.6
80
°C
on
beechwood
xylan
with
a
specific
activity
of
440.00
±
0.02
U/mg
good
catalytic
efficiency
(kcat/KM
=
91.89
s−1mLmg−1).
In
addition,
did
not
display
any
cellulose,
suggesting
possible
application
paper
biobleaching
processes.
To
develop
an
enzymatic
mixture
for
degradation,
association
between
AmXyn
previously
characterized
β-xylosidase
AmβXyl,
deriving
from
same
microorganism,
assessed.
two
enzymes
had
similar
temperature
optima
showed
highest
degree
synergy
when
AmβXyl
were
added
sequentially
to
xylan,
making
this
cost-competitive
suitable
industrial
use.
Therefore,
cocktail
also
employed
hydrolysis
wheat
bran
residue.
TLC
HPAEC-PAD
analyses
revealed
high
conversion
rate
xylose
(91.56
%),
placing
among
most
promising
biocatalysts
saccharification
agricultural
waste.
