Also, water has a high absorption coefficient at these frequencies and could lead to thermal effects on the skin. Hence, there is a need to study the radiation effects on human tissues, specifically the photothermal effects. In this paper, we present a custom-built, multi-physics model to ...
As I’ve said before, frequencies in the GHz are dangerous to humans and animals alike. Our bodies are not designed to withstand them. We can, with simple instruments, produce frequencies in the 40 to 4000Hz range. These are safe, and can often produce interesting effects. But these are ...
The second unique property of THz emission is its harmlessness for biological entities. As opposed to X-rays (Roentgen), terahertz waves have absolutely no ionizing radiation impact, are non-invasive and absolutely safe for humans, animals and plants. Moreover, many substances reveal their characte...
Non-contact respiration and heartbeat rates detection could be applied to find survivors trapped in the disaster or the remote monitoring of the respiration and heartbeat of a patient. This study presents an improved algorithm that extracts the respiration and heartbeat rates of humans by utilizing ...
solid-state materials. They also have potential for manipulating living cells, as they don't damage them the way that ultraviolet or infrared light does. Research so far has led to contradictory findings about their effects on cells, possibly because of the way the experiments have been ...
The peptide film was prepared on a stain less steel base as described above, and the measurement was performed in vacuo by reflection mode. As for preparation of the film of pre-fibril, the stock solution of the peptide in DMSO was diluted by the tris-buffer and was immediately dropped ...
However, in the 1980s, Everitt found that he was able to produce terahertz waves in his laboratory using a gas laser that was much smaller than traditional devices, at pressures far higher than the models said was possible. This discrepancy was never fully explained, and work on terahertz gas...
S. et al. Non-thermal effects of terahertz radiation on gene expression in mouse stem cells. Biomed Opt Express 2, 2679–2689 (2011). Article PubMed PubMed Central Google Scholar Alexandrov, B. S. et al. Specificity and heterogeneity of terahertz radiation effect on gene expression in ...
The core concept behind local field enhancement techniques in artificial structures is based on lightning rod and antenna effects. THz fields are confined and localized within metal micro-/nano-gaps, producing resonant or non-resonant field enhancement responses. If artificial structures are delicately ...
24.Using said nonwoven made according to the method of claim 1 to produce protective suits for humans or animals. 25.Using said nonwoven made according to the method of claim 1 to shield buildings; land, waterborne and/or airborne vehicles; objects, and/or pathways. ...