Physiology & Behavior,
Год журнала:
2024,
Номер
285, С. 114653 - 114653
Опубликована: Авг. 3, 2024
Thermal
comfort
in
an
office
impacts
physical
health,
stress,
and
productivity.
Humidity
affects
thermal
comfort;
however,
the
underlying
mechanism
remains
unclear.
This
study
assessed
influence
of
humidity
on
body
temperature,
comfort,
their
relationship
working
individuals.
Thirteen
participants
performed
three
sets
20-min
calculation
tasks
followed
by
a
10-min
rest
26
°C
or
33
with
relative
(RH)
30
%
60
%.
Core
temperature
(T
Annals of Medicine,
Год журнала:
2025,
Номер
57(1)
Опубликована: Янв. 9, 2025
Introduction
TWe
investigated
impacts
of
particulate
matter
with
an
aerodynamic
diameter
less
than
2.5
μm
(PM2.5),
relative
humidity
(RH),
and
temperature
on
sleep
stages
arousal.
Environmental Science & Technology,
Год журнала:
2020,
Номер
54(9), С. 5419 - 5428
Опубликована: Апрель 1, 2020
Ammonia
(NH3)
is
typically
present
at
higher
concentrations
in
indoor
air
(∼10-70
ppb)
than
outdoor
(∼50
ppt
to
5
ppb).
It
the
dominant
neutralizer
of
acidic
species
environments,
strongly
influencing
partitioning
gaseous
and
basic
aerosols,
surface
films,
bulk
water.
We
have
measured
NH3
emissions
from
humans
an
environmentally
controlled
chamber.
A
series
experiments,
each
with
four
volunteers,
quantified
as
a
function
temperature
(25.1-32.6
°C),
clothing
(long-sleeved
shirts/pants
or
T-shirts/shorts),
age
(teenagers,
adults,
seniors),
relative
humidity
(low
high),
ozone
(<2
ppb
∼35
Higher
more
skin
exposure
(T-shirts/shorts)
significantly
increased
emission
rates.
For
adults
seniors
(long
clothing),
are
estimated
be
0.4
mg
h-1
person-1
25
°C,
0.8
27
1.4
29
based
on
relationship
observed
this
study.
Human
sufficient
neutralize
acidifying
impacts
human
CO2
emissions.
Results
study
can
used
accurately
model
inner-city
associated
chemistry.
Sensors,
Год журнала:
2018,
Номер
18(5), С. 1336 - 1336
Опубликована: Апрель 26, 2018
Background:
The
geriatric
syndrome
of
frailty
is
one
the
greatest
challenges
facing
U.S.
aging
population.
Frailty
in
older
adults
associated
with
higher
adverse
outcomes,
such
as
mortality
and
hospitalization.
Identifying
precise
early
indicators
pre-frailty
measures
specific
components
are
key
importance
to
enable
targeted
interventions
remediation.
We
hypothesize
that
sensor-derived
parameters,
measured
by
a
pendant
accelerometer
device
home
setting,
sensitive
identifying
pre-frailty.
Methods:
Using
Fried
phenotype
criteria,
153
community-dwelling,
ambulatory
were
classified
pre-frail
(51%),
frail
(22%),
or
non-frail
(27%).
A
sensor
was
used
monitor
at
physical
activity,
using
chest
acceleration
over
48
h.
An
algorithm
developed
quantify
activity
pattern
(PAP),
behavior
(PAB),
sleep
quality
parameters.
Statistically
significant
parameters
selected
discriminate
from
adults.
Results:
stepping
walking
PAB
(sedentary
moderate-to-vigorous
activity),
combined
reached
area
under
curve
0.87,
0.85,
0.88,
respectively,
for
No
discriminated
rest
Conclusions:
This
study
demonstrates
can
identify
via
daily
monitoring.
These
findings
may
open
new
opportunities
order
remotely
measure
track
telehealth
technologies.
Journal of The Royal Society Interface,
Год журнала:
2022,
Номер
19(196)
Опубликована: Ноя. 1, 2022
Globally,
the
spread
and
severity
of
COVID-19
have
been
distinctly
non-uniform.
Seasonality
was
suggested
as
a
contributor
to
regional
variability,
but
relationship
between
weather
remains
unclear
focus
attention
has
on
outdoor
conditions.
Because
humans
spend
most
their
time
indoors
because
transmission
occurs
indoors,
we
here,
instead,
investigate
hypothesis
that
indoor
climate—particularly
relative
humidity
(RH)—may
be
more
relevant
modulator
outbreaks.
To
study
this
association,
combined
population-based
statistics
meteorological
measurements
from
121
countries.
We
rigorously
processed
epidemiological
data
reduce
bias,
then
developed
experimentally
validated
computational
workflow
estimate
conditions
based
standard
comfort
Our
comprehensive
analysis
shows
robust
systematic
relationships
outbreaks
RH.
In
particular,
found
intermediate
RH
(40–60%)
robustly
associated
with
better
outbreak
outcomes
(versus
<
40%
or
>60%).
Together,
these
results
suggest
conditions,
particularly
RH,
modulate
Journal of Hazardous Materials Advances,
Год журнала:
2023,
Номер
10, С. 100314 - 100314
Опубликована: Май 1, 2023
Many
service
jobs
are
carried
out
in
modern
offices,
with
individual
offices
being
increasingly
replaced
by
open-plan
settings.
The
high
number
of
adult
people
working
office
buildings,
most
situations
sharing
the
workplace
many
others
during
a
considerable
part
their
daily
time,
highlights
importance
providing
adequate
guidance
to
ensure
quality
environments.
This
paper
aims
summarize
existing
data
on
offices'
indoor
environmental
(IEQ)
conditions
terms
air
pollution
(volatile
organic
compounds
(VOC),
particulate
matter
and
inorganic
pollutants),
thermal
comfort,
lighting
acoustics
respective
associations
health
productivity-related
outcomes
workers.
Evidence
shows
that
although
present
acceptable
IEQ,
some
settings
can
have
levels
pollutants,
hygrothermal
conditions/thermal
comfort
illuminance
do
not
comply
international
standards
recommendations.
In
addition,
findings
suggest
existence
significant
between
assessed
IEQ
indicators
risk
detrimental
effects
productivity
particular,
airborne
particles,
CO2,
O3
were
linked
prevalence
sick
building
syndrome
symptoms.
Poor
acoustical
also
been
associated
malaise
physiological
stress
among
Similarly,
better
registered
for
good
conditions,
VOC,
particles
CO2.
Overall,
evidence
revised
this
work
suggests
promoting
recommendations
managers
include
actions
that:
i)
all
relevant
periodically
controlled
recommended
limit
values;
ii)
declared
sources
avoided;
iii)
ventilation
acclimatization
strategies
implemented;
iv)
there
is
possibility
conduct
personalized
adjustments
(following
workers'
preferences).
