Abstract.
As
most
people,
especially
in
developed
countries,
spend
of
their
time
indoors,
they
are
strongly
exposed
to
indoor
aerosol,
which
potentially
can
lead
adverse
health
effects.
A
major
source
aerosols
cooking
activities
releasing
large
amounts
particulate
emissions,
both
number
and
mass
wise,
with
often
complex
composition.
To
investigate
the
characteristics
emissions
parameters,
influence
these
characteristics,
we
conducted
a
comprehensive
study
form
measurement
series
19
dishes
different
ingredients
preparation
methods.
The
were
monitored
real
multiple
online
instruments
measuring
physical
chemical
particle
properties
as
well
trace
gas
concentrations.
With
same
instrumentation,
on
ambient
aerosol
load
was
studied
at
two
German
Christmas
markets.
For
six
variables,
observed
changes
during
cooking:
concentration
smaller
(particle
diameter
dp
>
5
nm)
larger
particles
(dp
250
nm),
PM
(PM1,
PM2.5,
PM10),
BC,
PAH
organics
Generally,
similar
emission
for
method
mainly
due
temperature
use
oil.
dynamics
above-mentioned
variables
sizes
emitted
mostly
influenced
by
cooking.
quantified
via
factors,
highest
values
grilled
dishes,
one
orders
magnitude
ones
oil-based
(baking,
stir-frying,
deep-frying)
smallest
boiled
dishes.
identification
Aerodyne
spectrometer
(AMS)
generally
new
AMS
markers,
propose
diagram
type
where
variability
spectra
is
considered.
Combining
our
results
those
from
previous
studies
quantification
cooking-related
organic
AMS,
recommend
using
relative
ionization
efficiency
than
default
value
(RIEOrg
=
1.4):
rapeseed
2.17
±
0.48
soy
5.16
0.77.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(14), С. 5739 - 5750
Опубликована: Март 29, 2023
We
have
been
effectively
protected
by
disposable
propylene
face
masks
during
the
COVID-19
pandemic;
however,
they
may
pose
health
risks
due
to
release
of
fine
particles
and
chemicals.
measured
micro/nanoparticles
organic
chemicals
in
medical
masks,
surgical
(K)N95
respirators.
In
breathing-simulation
experiment,
no
notable
differences
were
found
total
number
among
mask
types
or
between
breathing
intensities.
However,
when
considering
subranges,
<2.5
μm
accounted
for
∼90%
micro/nanoparticles.
GC-HRMS-based
suspect
screening
tentatively
revealed
79
(semi)volatile
compounds
with
18
being
detected
≥80%
samples
44
≤20%
samples.
Three
synthetic
phenolic
antioxidants
quantified,
AO168
reached
a
median
concentration
2968
ng/g.
By
collected
from
bulk
fabrics,
we
chemicals,
including
four
commonly
suggesting
chemical
partition
fabric
fibers
exposure
via
particle
inhalation.
These
are
believed
originate
raw
materials,
intentionally
nonintentionally
added
substances
production,
their
transformation
products.
This
study
highlights
need
long-term
associated
wearing
raises
concerns
over
quality
control.
Current Allergy and Asthma Reports,
Год журнала:
2024,
Номер
24(7), С. 395 - 406
Опубликована: Июнь 15, 2024
Abstract
Purpose
of
Review
This
review
investigates
occupational
inhalation
hazards
associated
with
biologically
derived
airborne
particles
(bioaerosols)
generated
in
indoor
cannabis
cultivation
and
manufacturing
facilities.
Recent
Findings
Indoor
production
is
growing
across
the
US
as
are
recent
reports
respiratory
diseases
among
workers,
including
asthma
morbidity
mortality.
More
information
needed
to
understand
how
bioaerosol
exposure
facilities
impacts
worker
health
disease
risk.
Summary
Preliminary
studies
demonstrate
a
significant
fraction
comprised
fungal
spores,
bacteria,
plant
material,
which
may
also
contain
hazardous
microbial
metabolites
allergens.
These
bioaerosols
pose
pathogenic,
allergenic,
toxigenic,
pro-inflammatory
risks
workers.
The
absence
multi-level,
holistic
research
work
environments
necessitates
further
characterization
potential
effective
risk
prevention
methods
safeguard
industry
continues
expand
beyond.
PLoS ONE,
Год журнала:
2025,
Номер
20(2), С. e0316914 - e0316914
Опубликована: Фев. 24, 2025
Air
quality
on
swine
farms
has
long
been
a
concern
for
both
human
and
health
as
it
previously
linked
with
respiratory
issues;
the
main
cause
being
inhalation
of
small
airborne
particulate
matter
(PM)
<
10
μm
in
diameter.
Negative
ionizing
systems
have
successfully
used
to
improve
air
residential-
commercial
buildings
well
agricultural
settings.
However,
less
is
known
about
efficacy
negative
farrowing
environments.
Thus,
objective
this
study
was
use
environment
evaluate
effects
ionization
system
1)
quantity
gaseous
matter,
2)
production
parameters.
Six
rooms
containing
60
sows
each
were
installed
30
per
room.
Three
out
six
randomly
allocated
between
active
(L-ON)
or
inactive
(L-OFF)
rounds
(N
=
4).
For
round,
measurements
PM
2.5
,
Ammonia
(NH
3
),
hydrogen
sulfide
gas
(H
2
S),
temperature,
humidity
collected
twice
week,
morning
afternoon
at
two
heights,
pig
level
(61
cm)
(152
cm).
Pig
performance
metrics
(parity,
number
piglets
born,
live
piglet
mortality,
fostered
piglets,
weaned
pigs)
end
batch.
Comparisons
L-ON
L-OFF
treatments
conducted
by
averaging
room
day
specific
all
days
when
rotating
shared
contrasting
treatments.
Each
room-specific
treatment
then
compared
other
using
linear
regression
model.
No
statistically
significant
differences
found
nor
level.
numerical
reductions
cumulative
increase
60%
rooms.
One
five
showed
slower
buildup
NH
concentrations
(
P
0.01)
had
significantly
H
S
0.01).
effect
In
conclusion,
indications
improved
study,
but
given
complexity
these
types
assessments,
further
work
needed
conclude
systems.
