Last Updated:
March 25, 2013
Articles about the basic sciences underpinning photomedicine.
- Photobiology (4)
- Physics (5)
- Tissue Optics (3)
Trials and Errors
Trials & Errors Science is based upon trials and errors. Yes, even errors give serendipitous results; the discovery of penicillin is just one of them. Science starts with ideas, but has to be confirmed. Too often ideas are commercialized before read more
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LPT contraindications – some facts and some myths
LPT contraindications – some facts and some myths By Jan Tunér In early (and, sadly even in recent) publications, several incorrect contraindications of LLLT have been proposed. Most of them have been more or less disposed of, such as read more
1 Views : 164
The penetration of laser light – a simple demonstration
The penetration of laser light – a simple demonstration By Jan Tunér If you do not think that laser light can penetrate deep into human tissue, just have a look at the photo below. What you see is a 660 read more
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GaAs laser – how to get it right
The GaAs laser (904/905 nm) has been on the market for many years, first introduced by the Italian Space Company in the late 80s. GaAs technology is more complicated than the more common InGaAlP and GaAlAs lasers, so few manufacturers read more
1 Views : 415
The Tricky Dose
I recently participated in a study using the laser Mustang 2000+, manufactured by the Russian company Technika. This is an 810 nm pulsed laser with varied settings for dose. The peak power is stated to be 80 W. One important read more
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The Bottom Line -When the right dose goes wrong
Reprinted from the web site of Thor Photomedicine It must gall to have performed a controlled clinical trial for a year only to find at the end that your physics department had adjusted the active laser such that it did read more
0 Views : 279
Show me the evidence!
When I speak to colleagues, researchers and politicians about the potential of LLLT, they very frequently ask for the evidence. This is reasonable, we all want evidence, but the modern call for evidence these days may miss the point. Instead read more
0 Views : 244
The importance of reporting all laser parameters – even in the abstract
It is a regrettable fact that the reporting of laser parameters has not yet reached a satisfactory level in scientific journals. These parameters must always be reported, or should the paper be returned for improvement or discarded. These parameters must read more
1 Views : 416
Low Level Laser and Antibiotic Resistance
Low level laser and antibiotic resistance Jan Tunér “Antibiotic resistance is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic” (Wikipedia). Some of the readers of this article would probably not be alive read more
0 Views : 932
Stacking the Deck?
Stacking the Deck? We received an email from a reader with regards to this presentation: (Light Years Ahead 1.7 MB PDF), asking for our comments. Here they are: I had a look at the presentation by Dr. Godbold and have made read more
0 Views : 795