Advanced Materials Interfaces,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 21, 2024
Abstract
Over
90
million
tons
of
fabric
waste
are
generated
annually
by
the
apparel
industry
and
there
exists
an
urgent
need
to
develop
innovative
approaches
for
recycling
garments.
Reversible
adhesives
can
both
enable
automation
labor‐intensive
assembly
processes
facilitate
a
circular
economy.
Herein,
adhesive
formulation
based
on
thermoreversible
Diels–Alder
chemistry
has
been
developed
via
combination
furan‐functionalized
methacrylate
copolymer
(
F
)
with
bismaleimide
M
).
To
establish
fine
balance
between
adhesion
strength
reversible
bonding,
extensive
screening
optimal
composition
molar
mass
is
conducted.
Methyl,
2‐ethylhexyl,
lauryl
used
tune
T
g
copolymers,
whereas
H‐bonding
monomers
such
as
methacrylic
acid
2‐hydroxyethyl
utilized
strengthen
improve
its
interactions
cotton.
Following
optimization
composition,
molecular
weight,
crosslinker,
scaled‐up
studied
rheometry
successfully
dispensed
automated
platform.
The
adhered
fabrics
tested
required
shear
peel
then
separated
short
heat
treatment
followed
simple
solvent
wash
remove
residues.
Results in Chemistry,
Journal Year:
2024,
Volume and Issue:
11, P. 101737 - 101737
Published: Aug. 28, 2024
In
the
past
decade,
significant
advancements
have
been
made
in
mathematical
spectral
approaches
for
estimating
binary
and
ternary
drug
combinations
raw
materials
dosage
forms.
These
established
on
manipulations
of
mixture
analytes,
without
need
separation
techniques.
The
idea
using
fluorescence
spectroscopy
was
resolving
analytical
issues
reach
to
biological
concentrations
thus,
Ratio
subtraction
(RD)
ratio
coupled
with
constant
multiplication
(RS-CM)
proposed
evaluate
content
uniformity
Flunarizine
dihydrochloride
(FLZ)
Propranolol
hydrochloride
(PRO)
combination
materials,
tablets,
spiked
fluids
(blood-urine).
demonstrated
ability
overcome
quantitative
challenges
posed
by
high
native
intensity
major
component
at
λex
=
286/λem
341
nm
low
minor
254/λem
311
nm.
linearity
range
found
be
25–500
ng/mL,
(FLZ),
it
50–500
ng/mL.
However,
spectrum
addition
technique
required
estimate
mixtures
less
than
300
overall
validity
confirmed
through
adherence
ICH
guidelines,
no
statistical
variation
observed
comparison
official
studies.
Additionally,
greenness
whiteness
were
evaluated
Analytical
metric
(AGREE),
Green
Solvents
Selecting
Tool
(GSST),
Red-Green-Blue
(RGB)
algorithm.
BMC Chemistry,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Aug. 27, 2024
Abstract
Due
to
the
lack
of
other
treatment
options,
a
rebirth
polymyxins
is
urgently
required.
Colistin
(also
called
polymyxin
E)
and
B
are
only
two
examples
this
antibiotic
class
that
were
effectively
employed
in
such
critical
situations.
In
present
work,
both
studied
medications
quantified
via
simple,
green,
non-extracting
spectrophotometric
approach
based
on
formation
ion-pair
complexes
with
Erythrosine
B.
Without
using
any
organic
solvents,
pink
color
created
was
detected
at
wavelength
=
558
nm.
To
achieve
highest
intensity
absorbance,
optimum
conditions
established
by
screening
many
experimental
factors
as
pH,
buffer
volume,
volume
B,
time
consumed
undergo
reaction.
For
Polymyxin
respectively,
Beer-Lambert’s
law
observed
concentration
ranges
1–6,
1–9
µg
mL
−
1
.
The
technique
approved
validated
following
ICH
recommendations.
Lastly,
suggested
has
been
successfully
implemented
quantify
cited
colorimetrically,
for
first
time,
their
parenteral
dosage
forms
excellent
recoveries.
Also,
Content
uniformity
testing
implemented.
Advanced Materials Interfaces,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 21, 2024
Abstract
Over
90
million
tons
of
fabric
waste
are
generated
annually
by
the
apparel
industry
and
there
exists
an
urgent
need
to
develop
innovative
approaches
for
recycling
garments.
Reversible
adhesives
can
both
enable
automation
labor‐intensive
assembly
processes
facilitate
a
circular
economy.
Herein,
adhesive
formulation
based
on
thermoreversible
Diels–Alder
chemistry
has
been
developed
via
combination
furan‐functionalized
methacrylate
copolymer
(
F
)
with
bismaleimide
M
).
To
establish
fine
balance
between
adhesion
strength
reversible
bonding,
extensive
screening
optimal
composition
molar
mass
is
conducted.
Methyl,
2‐ethylhexyl,
lauryl
used
tune
T
g
copolymers,
whereas
H‐bonding
monomers
such
as
methacrylic
acid
2‐hydroxyethyl
utilized
strengthen
improve
its
interactions
cotton.
Following
optimization
composition,
molecular
weight,
crosslinker,
scaled‐up
studied
rheometry
successfully
dispensed
automated
platform.
The
adhered
fabrics
tested
required
shear
peel
then
separated
short
heat
treatment
followed
simple
solvent
wash
remove
residues.
