It is possible to measure levels of the stress hormone cortisol not only in blood but also in saliva. Linköping physician Elisabeth Aardal-Eriksson has further developed a saliva test to make it reliable and easy to use, not only in hospitals but also in the field. The findings are presented in a dissertation at Linköping University, Sweden. The researcher has also found that the corisol content of saliva is related to the occurrence of so-called posttraumatic symptoms of stress.
In the first section of her dissertation, Elisabeth Aardal-Eriksson has developed the method for measuring, tested it in connection with a standardized loading of the stress system, and, in a smaller study, combined it with psychological self-assessment (in which the person being tested provides his/her own information about how he/she feels). This self-assessment also included questions about possible posttraumatic symptoms such as nightmares and painful memories.
The second section of the thesis consists of two studies of Swedish UN soldiers who have served in Bosnia. In one of these studies cortisol and stress levels were metered both before and at different times after their tour of duty in Bosnia. In another study cortisol levels and stress reactions were investigated in a group of UN soldiers involved in a landmine accident in Lebanon.
Ingela Björck | alphagalileo
Satellites, airport visibility readings shed light on troops' exposure to air pollution
09.12.2016 | Veterans Affairs Research Communications
Oxygen can wake up dormant bacteria for antibiotic attacks
08.12.2016 | Penn State
Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
Topological insulators are currently the hot topic in physics according to the newspaper Neue Zürcher Zeitung. Only a few weeks ago, their importance was...
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
16.11.2016 | Event News
01.11.2016 | Event News
14.10.2016 | Event News
09.12.2016 | Life Sciences
09.12.2016 | Ecology, The Environment and Conservation
09.12.2016 | Health and Medicine