Jurnal Penelitian Pendidikan IPA,
Год журнала:
2024,
Номер
10(12), С. 10730 - 10735
Опубликована: Дек. 28, 2024
This
study
examines
student
responses
upon
the
implementation
of
Biochemistry
Laboratory
Manual
which
focused
on
science-economics.
The
manual
was
implemented
poracticum
classes
for
3
consecutive
schedules.
Students'
cognitive,
affective,
and
psychomotor
learning
outcomes
were
recorded
that
implies
their
to
topic.
Validated
questions
questionnaires
used
administered
before
first
after
third
round
practicum
classes.
Data
analysis
employed
Student
T-tests.
It
revealed
moderately
enhances
biochemistry
achievements
(N-Gain)
students
responded
positive
very
toward
topic
at
80%
18%
respectively.
JACS Au,
Год журнала:
2024,
Номер
4(2), С. 301 - 317
Опубликована: Янв. 16, 2024
Water
is
considered
to
be
the
most
sustainable
and
safest
solvent.
Micellar
catalysis
a
significant
contributor
chemistry
in
water.
It
promotes
pathways
involving
water-sensitive
intermediates
transient
catalytic
species
under
micelles'
shielding
effect
while
also
replacing
costly
ligands
dipolar-aprotic
solvents.
However,
there
lack
of
critical
information
about
micellar
catalysis.
This
includes
why
it
works
better
than
traditional
organic
solvents,
specific
rules
differ
from
those
conventional
catalysis,
how
limitations
can
addressed
future.
Perspective
aims
highlight
current
gaps
our
understanding
provide
an
analysis
designer
surfactants'
origin
essential
components.
will
fundamental
including
aqueous
micelles
simultaneously
perform
multiple
functions
such
as
solvent,
ligand,
reaction
promoter.
Molecules,
Год журнала:
2023,
Номер
28(18), С. 6452 - 6452
Опубликована: Сен. 6, 2023
Biocatalysis
can
be
applied
in
aqueous
media
and
different
non-aqueous
solutions
(non-conventional
media).
Water
is
a
safe
solvent,
yet
many
synthesis-wise
interesting
substrates
cannot
dissolved
solutions,
thus
low
concentrations
are
often
applied.
Conversely,
non-conventional
may
enable
higher
substrate
loadings
but
at
the
cost
of
using
(fossil-based)
organic
solvents.
This
paper
determines
CO2
production-expressed
as
kg
CO2·kg
product-1-of
generic
biotransformations
water
media,
assessing
both
upstream
downstream.
The
key
to
reaching
diminished
environmental
footprint
type
wastewater
treatment
implemented.
If
used
chemicals
conventional
(mild)
treatment,
production
limited.
other
(pre)treatments
for
needed
eliminate
hazardous
solvents,
impacts
expected
(based
on
production).
biocatalysis
more
sustainable
during
unit-the
biocatalytic
step-than
systems.
However,
processes
with
need
incorporate
extractive
solvents
downstream
processing.
Both
strategies
result
comparable
if
recycled
least
1-2
times.
Under
these
conditions,
industrial
biotransformation
100
g
L-1
loading
would
produce
15-25
product-1
regardless
media.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 6, 2024
Abstract
The
development
of
sustainable
chemistry
underlying
the
quest
to
minimize
and/or
valorize
waste
in
carbon‐neutral
manufacture
chemicals
is
followed
over
last
four
five
decades.
Both
chemo‐
and
biocatalysis
have
played
an
indispensable
role
this
odyssey.
particular
developments
protein
engineering,
metagenomics
bioinformatics
preceding
three
decades
a
crucial
supporting
facilitating
widespread
application
both
whole
cell
cell‐free
biocatalysis.
pressing
need,
driven
by
climate
change
mitigation,
for
drastic
reduction
greenhouse
gas
(GHG)
emissions,
has
precipitated
energy
transition
based
on
decarbonization
defossilization
organic
production.
latter
involves
biomass
CO
2
as
feedstock
green
electricity
generated
using
solar,
wind,
hydroelectric
or
nuclear
energy.
use
polysaccharides
feedstocks
will
underpin
renaissance
carbohydrate
with
pentoses
hexoses
base
bio‐based
solvents
polymers
environmentally
friendly
downstream
products.
availability
inexpensive
solar
led
increasing
attention
electro(bio)catalysis
photo(bio)catalysis
which
turn
leading
myriad
innovations
these
fields.
Journal of Flow Chemistry,
Год журнала:
2023,
Номер
14(1), С. 211 - 218
Опубликована: Окт. 23, 2023
Abstract
Flow
biocatalysis
has
emerged
as
an
empowering
tool
to
boost
the
potential
of
enzymatic
reactions
towards
more
automatized,
sustainable,
and
generally
efficient
synthetic
processes.
In
last
fifteen
years,
increasing
number
biocatalytic
transformations
carried
out
in
continuous
flow
exemplified
benefits
that
this
technology
can
bring
incorporate
into
industrial
operations.
This
perspective
aims
capture
a
nutshell
available
methodologies
for
well
discuss
current
limitations
future
directions
field.
Graphical
abstract
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(24)
Опубликована: Янв. 13, 2024
Combining
chemo-
and
biocatalysis
enables
the
design
of
novel
economic
sustainable
one-pot
processes
for
preparation
industrial
chemicals,
preferably
proceeding
in
water.
While
a
range
proofs-of-concept
compatibility
such
catalysts
from
these
two
different
"worlds
catalysis"
have
recently
been
demonstrated,
merging
noncompatible
biocatalysts
joint
applications
within
one
reactor
remained
challenge.
A
conceptual
solution
is
compartmentalization
catalytic
moieties
by
heterogenization
critical
catalyst
components,
thus
"shielding"
them
complementary
catalyst,
substrate
or
reagent.
Exemplified
process
consisting
metal-catalyzed
Wacker
oxidation
enzymatic
reduction
as
individual
reactions
steps,
we
demonstrate
that
making
use
3D
printing
heterogeneous
materials
containing
Cu
metal
component
can
overcome
incompatibility
hurdles.
The
application
3D-printed
Cu-ceramic
device
allows
an
efficient
combination
with
enzyme
desired
two-step
transformation
styrene
into
chiral
alcohol
product
high
overall
conversion
excellent
enantioselectivity.
This
concept
based
on
heterogenized
represents
scalable
methodology
opens
up
numerous
perspectives
to
be
used
general
tool
also
other
related
chemoenzymatic
research
challenges.
Catalysts,
Год журнала:
2024,
Номер
14(6), С. 371 - 371
Опубликована: Июнь 10, 2024
Chitin
and
chitosan,
abundant
biopolymers
derived
from
the
shells
of
crustaceans
cell
walls
fungi,
have
garnered
considerable
attention
in
pharmaceutical
circles
due
to
their
biocompatibility,
biodegradability,
versatile
properties.
Deep
eutectic
solvents
(DESs),
emerging
green
composed
mixtures
hydrogen
bond
acceptors
donors,
offer
promising
avenues
for
enhancing
solubility
functionality
chitin
chitosan
formulations.
This
review
delves
into
potential
utilizing
DESs
as
highlighting
efficiency
dissolving
these
polymers,
which
facilitates
production
novel
drug
delivery
systems,
wound
dressings,
tissue
engineering
scaffolds,
antimicrobial
agents.
The
distinctive
physicochemical
properties
DESs,
including
low
toxicity,
volatility,
adaptable
solvation
power,
enable
customization
chitosan-based
materials
meet
specific
requirements.
Moreover,
environmentally
friendly
nature
aligns
with
growing
demand
sustainable
eco-friendly
processes
manufacturing.
revision
underscores
recent
advances
illustrating
role
evolving
applications
laying
groundwork
development
innovative
systems
biomedical
enhanced
efficacy
safety
profiles.
Communications Chemistry,
Год журнала:
2025,
Номер
8(1)
Опубликована: Март 13, 2025
Communications
Chemistry
is
pleased
to
introduce
a
Collection
of
research
works
focused
on
recent
developments
within
the
interdisciplinary
field
chemoenzymatic
synthesis.
Here,
Guest
Editors
highlight
key
themes
and
look
towards
future
this
field.
