Molecules,
Journal Year:
2022,
Volume and Issue:
27(24), P. 8889 - 8889
Published: Dec. 14, 2022
The
conversion
of
lignocellulosic
biomass
by
pyrolysis
or
hydrothermal
liquefaction
gives
access
to
a
wide
variety
molecules
that
can
be
used
as
fuel
building
blocks
in
the
chemical
industry.
For
such
purposes,
it
is
necessary
obtain
their
detailed
composition
adapt
process,
including
upgrading
steps.
Petroleomics
has
emerged
an
integral
approach
cover
missing
link
investigation
bio-oils
and
linked
products.
It
relies
on
ultra-high-resolution
mass
spectrometry
attempt
unravel
contribution
many
compounds
complex
samples
non-targeted
approach.
most
recent
developments
petroleomics
partially
alter
discriminating
nature
analyses.
However,
peak
referring
one
formula
possibly
hides
forest
isomeric
compounds,
which
may
present
large
diversity
concerning
functions.
This
identification
functions
essential
context
bio-oils.
latest
dedicated
this
analytical
challenge
will
reviewed
discussed,
particularly
integrating
ion
source
features
incorporating
new
steps
workflow.
representativeness
data
obtained
petroleomic
still
important
issue.
Journal of the American Society for Mass Spectrometry,
Journal Year:
2023,
Volume and Issue:
34(10), P. 2232 - 2246
Published: Aug. 28, 2023
"Top-down"
proteomics
analyzes
intact
proteins
and
identifies
proteoforms
by
their
mass
as
well
the
observed
fragmentation
pattern
in
tandem
spectrometry
(MS/MS)
experiments.
Recently,
hybrid
ion
mobility
spectrometry–mass
(IM/MS)
methods
have
gained
traction
for
top-down
experiments,
either
allowing
analysis
of
individual
isomers
or
alternatively
improving
signal/noise
dynamic
range
fragment
assignment.
We
recently
described
construction
a
tandem-trapped
spectrometer/mass
spectrometer
(tandem-TIMS/MS)
coupled
with
an
ultraviolet
(UV)
laser
demonstrated
proof-of-principle
UV
photodissociation
(UVPD)
at
2–3
mbar.
The
present
work
builds
on
this
exploration
method
that
couples
tandem-TIMS/MS
UVPD
parallel-accumulation
serial
(PASEF)
MS/MS
analysis.
first
survey
types
structures
UVPD-specific
ions
generated
mbar
pressure
regime
our
instrument.
Notably,
we
observe
UVPD-induced
multiple
conformations
differ
from
those
produced
absence
irradiation.
Subsequently,
discuss
how
spectra
lend
themselves
ideally
probability-based
scoring
developed
bottom-up
field
ability
to
record
automated
PASEF-MS/MS
resolves
ambiguities
assignment
ions.
Finally,
describe
coupling
workflows
native
protein
ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
4(4), P. 1483 - 1497
Published: Feb. 23, 2024
Environmental
reclamation
of
Canada's
oil
sands
tailings
ponds
is
among
the
single
largest
water
treatment
challenges
globally.
The
toxicity
process-affected
(OSPW)
has
been
associated
with
its
dissolved
organics,
a
complex
mixture
naphthenic
acid
fraction
components
(NAFCs).
Here,
we
evaluated
solar
buoyant
photocatalysts
(BPCs)
as
passive
advanced
oxidation
process
(P-AOP)
for
OSPW
remediation.
Photocatalysis
fully
degraded
acids
(NAs)
and
extractable
organics
(AEO)
in
3
different
samples.
However,
classical
NAs
AEO,
traditionally
considered
principal
toxicants
OSPW,
were
not
correlated
herein.
Instead,
nontarget
petroleomic
analysis
revealed
that
low-polarity
organosulfur
compounds,
composing
<10%
total
apparently
accounted
majority
waters'
to
fish,
described
by
model
tissue
partitioning.
These
findings
have
implications
release,
which
less
extensive
but
more
selective
may
be
required
than
previously
expected.
Energy & Fuels,
Journal Year:
2021,
Volume and Issue:
36(1), P. 6 - 59
Published: Dec. 21, 2021
The
current
state-of-the-art
analysis
techniques
for
petroleum
fractions
has
progressed
substantially
during
the
past
decade.
This
helped
to
further
improve
lumping
procedures
and
modeling
approaches
of
these
complex
systems.
Recent
advances
in
gas
chromatography
(GC),
GC-field
ionization
mass
spectrometry
(GC-FIMS),
comprehensive
(GC×GC)
have
made
it
possible
determine
compositions
with
up
45
carbon
atoms
some
cases
C80.
combination
MS
other
selective
detectors
reversed-phase
column
combinations
quantify
even
traces
heteroatomic
compounds
hydrocarbon
matrices.
Fourier-transform
ion
cyclotron
resonance
(FT-ICR-MS),
combined
GC×GC
lighter
part,
pushed
characterization
larger
macromolecules
particular
asphaltenes.
Matrix-assisted
laser
desorption/ionization
(MALDI)
is
also
used
widely
this
purpose
but
disadvantage
that
quantification
not
obvious.
development
more
detailed
remained
unnoticed
petrochemical
society
recently
kinetic
society.
More
implementation
models
simulation
optimization
including
molecular
detail.
Additionally,
photoionization
(PI-MS)
allowed
detection
reactive
intermediates
direct
measurements
time-resolved
experiments.
It
can
only
be
expected
trend
will
continue
application
field
move
from
now
primarily
petrochemistry
(from
catalytic
cracking,
over
hydrotreating,
hydrocracking
pyrolysis,
combustion,
steam
cracking)
larger-scale
chemical
recycling
biomass
conversion
processes.
Molecules,
Journal Year:
2022,
Volume and Issue:
27(24), P. 8889 - 8889
Published: Dec. 14, 2022
The
conversion
of
lignocellulosic
biomass
by
pyrolysis
or
hydrothermal
liquefaction
gives
access
to
a
wide
variety
molecules
that
can
be
used
as
fuel
building
blocks
in
the
chemical
industry.
For
such
purposes,
it
is
necessary
obtain
their
detailed
composition
adapt
process,
including
upgrading
steps.
Petroleomics
has
emerged
an
integral
approach
cover
missing
link
investigation
bio-oils
and
linked
products.
It
relies
on
ultra-high-resolution
mass
spectrometry
attempt
unravel
contribution
many
compounds
complex
samples
non-targeted
approach.
most
recent
developments
petroleomics
partially
alter
discriminating
nature
analyses.
However,
peak
referring
one
formula
possibly
hides
forest
isomeric
compounds,
which
may
present
large
diversity
concerning
functions.
This
identification
functions
essential
context
bio-oils.
latest
dedicated
this
analytical
challenge
will
reviewed
discussed,
particularly
integrating
ion
source
features
incorporating
new
steps
workflow.
representativeness
data
obtained
petroleomic
still
important
issue.
