School children can be screened for asthma and respiratory allergies using a simple questionnaire. A study validating the student questionnaire – and an alternative questionnaire for parents – is reported in the July issue of the Annals of Allergy, Asthma & Immunology.
Children ages 7 to 13 answered nine questions at school about their breathing and allergy symptoms. The answers were then compared to the results of double-blinded clinical examinations of those students. The investigators found that the answers to the questions were generally predictive of a diagnosis of asthma or allergies. A parallel questionnaire completed by the parents of the children also was predictive, but not quite as strongly so.
“The student and parent questionnaires offer a new tool for finding unrecognized asthma and allergies among school children,” said Robert Miles, M.D., who chaired the coordinating committee for the multi-center study. “For many years children have been screened at school for vision problems and hearing disorders. Now we’re able to offer a simple screen that helps identify those with suspected asthma and allergies so they can be referred for a professional diagnosis.”
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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...
The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
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