Novothor at Laser Institute NZ
Bringing you the art & science of human healing & health optimisation through Light, by the leading
25/04/2025
We're buzzing from the abundance of springtime exhibitions!
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19/12/2024
Whole-body Red Light Therapy NovoTHOR Red Light Therapy Bed: Reduce your pain, improve your health, and increase your performance.
18/12/2024
Well, it wonโt fit under the treeโฆ
Give us a jingle if you want the gift of great health.
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NovoTHOR THOR Laser Photomedicine
14/10/2024
Red light therapy stimulates the bodyโs natural processes using a mix of scientifically determined wavelengths.
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29/09/2024
Whole-body Red Light Therapy NovoTHOR uses red and near-infrared light to treat injuries, reduce pain, relax muscles/joints, and increase blood circulation.
14/08/2023
๐๐๐ฅ๐ฅ๐ฎ๐ฅ๐๐ซ ๐๐๐๐๐๐ญ๐ฌ ๐จ๐ ๐ฅ๐จ๐ฐ ๐ฉ๐จ๐ฐ๐๐ซ ๐ฅ๐๐ฌ๐๐ซ ๐ญ๐ก๐๐ซ๐๐ฉ๐ฒ ๐๐๐ง ๐๐ ๐ฆ๐๐๐ข๐๐ญ๐๐ ๐๐ฒ ๐ง๐ข๐ญ๐ซ๐ข๐ ๐จ๐ฑ๐ข๐๐
Karu, et.al.
[...]
Study Design/Materials and Methods - A suspension of HeLa cells was irradiated with a monochromatic visible-to-near infrared radiation (600โ860 nm, 52 J/m2) or with a diode laser (820 nm, 8โ120 J/m2) and the number of cells attached to a glass matrix was counted after 30 minute incubation at 37ยฐC. The NO donors sodium nitroprusside (SNP), glyceryl trinitrate (GTN), or sodium nitrite (NaNO2) in the concentration range 5 ร 10โ9โ5 ร 10โ4M were added to the cellular suspension before or after irradiation. The action spectra and the concentration and fluence dependencies obtained were compared and analyzed.
Results - The well-structured action spectrum for the increase of the adhesion of the cells, with maxima at 619, 657, 675, 740, 760, and 820 nm, points to the existence of a photoacceptor responsible for the enhancement of this property (supposedly cytochrome c oxidase, the terminal respiratory chain enzyme), as well as signaling pathways between the cell mitochondria, plasma membrane, and nucleus. Treating the cellular suspension with SNP (5 ร 10โ5M) before irradiation significantly modifies the action spectrum for the enhancement of the cell attachment property (band maxima at 642, 685, 700, 742, 842, and 856 nm). The action of SNP, GTN, and NaNO2 added before or after irradiation depends on their concentration and radiation fluence.
Conclusions - The NO donors added to the cellular suspension before irradiation eliminate the radiation-induced increase in the number of cells attached to the glass matrix, supposedly by way of binding NO to cytochrome c oxidase. NO added to the suspension after irradiation can also inhibit the light-induced signal downstream. Both effects of NO depend on the concentration of the NO donors added. These results indicate that NO can control the irradiation-activated reactions that increase the attachment of cells.
https://doi.org/10.1002/lsm.20148
Cellular effects of low power laser therapy can be mediated by nitric oxide Background and Objectives The objective of this study was to investigate the possibility of involvement of nitric oxide (NO) into the irradiation-induced increase of cell attachment. These experimen...
14/07/2023
๐๐ก๐จ๐ญ๐จ๐๐ข๐จ๐ฆ๐จ๐๐ฎ๐ฅ๐๐ญ๐ข๐จ๐ง ๐ฉ๐ซ๐๐ฌ๐๐ซ๐ฏ๐๐ฌ ๐ฆ๐ข๐ญ๐จ๐๐ก๐จ๐ง๐๐ซ๐ข๐๐ฅ ๐ซ๐๐๐จ๐ฑ ๐ฌ๐ญ๐๐ญ๐ ๐๐ง๐ ๐ข๐ฌ ๐ซ๐๐ญ๐ข๐ง๐จ๐ฉ๐ซ๐จ๐ญ๐๐๐ญ๐ข๐ฏ๐ ๐ข๐ง ๐ ๐ซ๐จ๐๐๐ง๐ญ ๐ฆ๐จ๐๐๐ฅ ๐จ๐ ๐ซ๐๐ญ๐ข๐ง๐ข๐ญ๐ข๐ฌ ๐ฉ๐ข๐ ๐ฆ๐๐ง๐ญ๐จ๐ฌ๐
Gopalakrishnan, et.al.
[...] Our laboratory has shown that FR PBM improves functional and structural outcomes in animal models of retinal injury and retinal degenerative disease. The current study tested the hypothesis that a brief course of NIR (830 nm) PBM would preserve mitochondrial metabolic state and attenuate photoreceptor loss in a model of retinitis pigmentosa, the P23H transgenic rat. P23H rat pups were treated with 830 nm light (180 s; 25 mW/cm2; 4.5 J/cm2) using a light-emitting diode array (Quantum Devices, Barneveld, WI) from postnatal day (p) 10 to p25. Sham-treated rats were restrained, but not treated with 830 nm light. Retinal metabolic state, function and morphology were assessed at p30 by measurement of mitochondrial redox (NADH/FAD) state by 3D optical cryo-imaging, electroretinography (ERG), spectral-domain optical coherence tomography (SD-OCT), and histomorphometry. PBM preserved retinal metabolic state, retinal function, and retinal morphology in PBM-treated animals compared to the sham-treated group. PBM protected against the disruption of the oxidation state of the mitochondrial respiratory chain observed in sham-treated animals. Scotopic ERG responses over a range of flash intensities were significantly greater in PBM-treated rats compared to sham controls. SD-OCT studies and histological assessment showed that PBM preserved the structural integrity of the retina. These findings demonstrate for the first time a direct effect of NIR PBM on retinal mitochondrial redox status in a well-established model of retinal disease. They show that chronic proteotoxic stress disrupts retinal bioenergetics resulting in mitochondrial dysfunction, and retinal degeneration and that therapies normalizing mitochondrial metabolism have considerable potential for the treatment of retinal degenerative disease.
https://www.nature.com/articles/s41598-020-77290-w
04/05/2023
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05/11/2024