CrystEngComm,
Journal Year:
2020,
Volume and Issue:
22(43), P. 7341 - 7349
Published: Jan. 1, 2020
CSD
data
mining
and
energy
calculations
show
that
coformer
self-interactions
might
significantly
contribute
to
the
packing
stabilization
of
cocrystals.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2022,
Volume and Issue:
10(26), P. 8388 - 8399
Published: June 24, 2022
The
ever-increasing
attention
on
environmental
problems
and
sustainability
has
highlighted
several
related
to
the
use
of
conventional
pesticides
in
agricultural
industry,
e.g.,
toxic
residues
soil
hazards
environment
human
health.
In
search
for
natural
antimicrobial
insecticide
alternatives,
essential
oils
(EOs)
their
active
components
have
emerged
as
promising
candidates,
but
they
suffer
from
some
drawbacks
physical
properties.
We
exploited
cocrystallization
with
isonicotinamide,
pyrazine,
2,3,5,6-tetramethylpyrazine,
2,3-dimethylquinoxaline
a
workaround
extend
applicability
carvacrol
thymol
pesticides,
improving
ambient
delivery
profile.
cocrystals
were
prepared
mechanochemically
green
solvent-free
manner,
purity,
structure,
stability
investigated
via
powder
single-crystal
X-ray
diffraction
(XRD),
differential
scanning
calorimetry
(DSC),
thermogravimetric
analysis
(TGA),
density
functional
theory
(DFT)
calculations.
Moreover,
each
cocrystal
was
also
tested
terms
EO
release
by
headspace–gas
chromatography–mass
spectrometry
(GC–MS)
over
14
days.
report
conversion
new
structure
different
stoichiometry,
which
seems
afford
delayed
boost
that
could
be
very
interesting
food
preservation
applications.
Antibiotics,
Journal Year:
2022,
Volume and Issue:
11(6), P. 797 - 797
Published: June 13, 2022
To
overcome
the
issue
of
multidrug
resistant
(MDR)
microbes,
exploration
ways
to
improve
antimicrobial
efficiency
existing
antibiotics
is
one
promising
approaches.
In
search
synthons
with
higher
efficiency,
in
current
investigations,
cocrystal
and
amorphous
salt
levofloxacin
hemihydrate
(LEV)
were
developed
phthalimide
(PTH)
caffeic
acid
(CFA).
New
materials
characterized
help
FT-IR,
Raman
spectroscopy,
powder
X-ray
diffraction
(PXRD),
differential
scanning
calorimetry
(DSC)
thermogravimetric
analysis
(TGA).
Shifting,
attenuation,
appearance/disappearance
broadening
bands
observed
FT-IR
spectra
as
evidence
required
product.
The
PXRD
pattern
for
LEV-PTH
indicated
while
halo
diffractogram
LEV-CFA
revealed
nature.
DSC/TG
confirmed
hydrated
nature
cocrystal/salt.
dissolution
rate
activity
against
selected
strains,
K.pneumonia,
E.
coli
S.
typhi
parent
drug
new
material
compared.
zone
inhibition
(ZI)
5
µg
was
30.4
+
0.36
(K.
pneumonia),
26.33
0.35
(E.
coli)
30.03
0.25
mm
(S.
typhi)
(5
µg)
same
strains
inhibited
33.96
±
0.25,
31.66
27.93
0.40
mm,
respectively.
These
novel
formulations
enhance
well
antibacterial
are
expected
be
potent
MDR
bacterial
strains.
Green Chemistry,
Journal Year:
2022,
Volume and Issue:
24(20), P. 8088 - 8099
Published: Jan. 1, 2022
Cocrystal
engineering
strategy
achieved
the
leaching
reduction
and
sustained
release
of
highly
water-soluble
herbicides
to
extend
their
efficacy
reduce
groundwater
contamination.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2020,
Volume and Issue:
8(39), P. 14886 - 14895
Published: Sept. 8, 2020
Despite
its
high
chemical
value,
most
of
lignin
is
nowadays
burnt
as
low
value
fuel.
It
therefore
important
to
find
innovative
applications
for
use.
Copper
compounds
are
used
plant
protection
products
more
than
50
different
diseases
in
viticulture,
arable
crops,
hops,
and
horticulture,
they
have
been
100
years.
Minimization
copper
agriculture
has
become
a
fundamental
issue
due
negative
environmental
impact.
Here
we
present
series
hybrid
organic–inorganic
materials
(lignin@Cu),
deriving
from
the
combination
with
brochantite,
Cu4(OH)6SO4.
Optimization
synthetic
procedures
allowed
us
isolate
lignin-based
containing
percentages
copper,
where
brochantite
crystals
featured
by
morphologies
dimensions.
A
environmentally
safe
synthesis
lignin@Cu
mechanochemistry
also
investigated,
which
reduces
amount
water
makes
easier
faster
isolation
final
materials.
Tests
on
strawberry
tomato
plants
greenhouse
highlighted
significative
efficacy
against
pathogens
at
content
much
lower
one
copper-based
commercial
pesticides.
crystal
morphology–activity
correlation
traced
out.
The
synergic
activity
ions
can
be
reduce
efficient
pathogen
control.
Moreover,
mechanochemical
approach
ensures
greener
approach,
perspective
sustainable
agriculture.
Crystal Growth & Design,
Journal Year:
2020,
Volume and Issue:
20(10), P. 6796 - 6803
Published: Aug. 21, 2020
The
antibiotic
ciprofloxacin
(CIP)
zwitterion
has
been
cocrystallized
via
slurry
and/or
ball-milling
with
carvacrol
(CAR)
and
thymol
(THY),
also
known
to
exert
antimicrobial
activity,
the
aim
of
improving
antibacterial
activity
ciprofloxacin.
In
case
CAR,
1:4
cocrystal
CIP·CAR4
appears
be
most
stable
phase,
where
intermediate
phases
CIP·CAR3
CIP·CAR2
have
isolated
by
stepwise
loss
CAR.
THY,
1:2
CIP·THY2
is
stable,
while
CIP·THY4
easily
loses
THY
yield
bisadduct.
All
cocrystals
were
structurally
characterized
single
crystal
or
powder
diffraction:
in
both
sheets
CIP
molecules
are
intercalated
layers
CAR
respectively,
that
can
released
upon
heating
as
followed
DSC,
TGA
variable
temperature
XRPD.
Preliminary
experiments
provide
encouraging
evidence
enhanced
against
Escherichia
coli
(ATCC
25922)
respect
pure
well
physical
mixtures
thymol.