Indoor air sampling for detection of viral nucleic acids
Journal of Aerosol Science,
Год журнала:
2025,
Номер
unknown, С. 106549 - 106549
Опубликована: Фев. 1, 2025
Язык: Английский
All-atom virus simulations to tackle airborne disease
Current Opinion in Structural Biology,
Год журнала:
2025,
Номер
92, С. 103048 - 103048
Опубликована: Май 3, 2025
We
briefly
review
the
latest
computational
studies
focused
on
modeling
viruses
with
classical
all-atom
(AA)
molecular
dynamics.
report
challenges,
current
solutions,
and
ongoing
developments
in
constructing
simulating
whole
viruses,
discuss
unique
insights
derived
from
AA
mesoscale
simulations
that
cannot
be
achieved
by
other
means.
Finally,
we
present
new
opportunities
virology
to
understand
viral
aerostability
within
context
of
respiratory
disease
transmission.
Overall,
highlight
value
large-scale
simulation
champion
need
for
increased
interdisciplinary
collaboration
generate
novel
guide
future
research
disease.
Язык: Английский
Simulation and experimental investigation of electret polypropylene fiber preparation via centrifugal melt electrospinning for enhanced air filtration
Separation and Purification Technology,
Год журнала:
2024,
Номер
unknown, С. 130113 - 130113
Опубликована: Окт. 1, 2024
Язык: Английский
Occupational exposure monitoring of airborne respiratory viruses in outpatient medical clinics
Aerosol Science and Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 21
Опубликована: Окт. 23, 2024
Exposure
to
airborne
respiratory
viruses
can
be
a
health
hazard
in
occupational
settings.
In
this
study,
air
sampling
was
conducted
from
January
March
2023
two
outpatient
medical
clinics—one
primary
care
clinic
and
one
dedicated
the
diagnosis
treatment
of
illnesses—for
purpose
assessing
virus
presence.
Work
involved
operation
BioSpot-VIVASTM
as
stationary
sampler
deployment
NIOSH
BC-251
bioaerosol
samplers
either
devices
or
personal
worn
by
staff
members.
Results
were
correlated
with
deidentified
clinical
data
patient
testing.
Samples
seven
days
analyzed
for
SARS-CoV-2,
influenza
A
H1N1
H3N2
viruses,
B
Victoria-
Yamagata-lineage
an
overall
17.5%
(17/97)
positivity
rate.
Airborne
predominated
particles
aerodynamic
diameters
1–4
μm
recovered
similar
quantities
both
clinics.
(17.4%,
15/86)
VIVAS
(18.2%,
2/11)
collected
detectable
at
rates,
but
more
numerous
provided
greater
insight
into
presence
across
spaces
job
categories.
60%
samples
reception
areas
contained
virus,
exposure
significantly
(p
=
0.0028)
occurred
desks
compared
"mobile"
categories
providers
nurses.
Overall,
study
provides
valuable
insights
impacts
mitigation
controls
tailored
reducing
highlights
need
continued
diligence
toward
risk
Язык: Английский
Evaluation of coating materials on the characterization of size and viability of virus-laden particles collected with an Andersen cascade impactor
Journal of Aerosol Science,
Год журнала:
2024,
Номер
182, С. 106454 - 106454
Опубликована: Авг. 12, 2024
Airborne
pathogens
are
typically
associated
with
particles,
and
the
transport
behavior
of
these
particles
is
largely
driven
by
their
size.
To
better
understand
airborne
transmission
viral
diseases
develop
effective
control
measures,
proper
size
characterization
virus-laden
essential.
The
Andersen
cascade
impactor
(ACI)
an
8-stage
air
sampler
that
separates
aerosol
into
9
aerodynamic
fractions.
During
sampling
ACI
under
certain
conditions,
may
bounce
upon
impact
collection
plates
ACI,
leading
to
eventual
deposition
on
a
stage
further
downstream
than
target
stage.
Coating
adhesive
materials
help
decrease
particle
bounce;
however,
it
also
affect
viability
collected
pathogens.
In
this
study,
we
evaluated
different
for
ability
minimize
while
conserving
virus
during
ACI.
We
nine
-
Tween®
80,
silicone
oil,
Span®
85,
Brij®
35,
glycerol,
mineral
gelatin,
bovine
serum
albumin,
growth
media
effect
inactivate
H1N1
influenza
coronavirus,
surrogate
SARS-CoV-2.
Plates
coated
oil
resulted
in
least
reduction
both
viruses.
These
were
then
used
sample
wind
tunnel.
Results
physical
collection,
load
from
various
stages
revealed
no
significant
differences
distribution
between
uncoated
plates,
was
similar
reported
optical
sizer.
Overall,
our
results
did
not
support
need
coat
when
characterizing
conditions
study.
However,
identify
potential
coating
which
could
conserve
maximally,
if
concern.
Язык: Английский