Recommendable! This is about a survey and a research article. This could be a breakthrough!
"Every living thing emits a faint glow from cell metabolism, and researchers now hope the ultraweak light can flag cancer or neurodegenerative disease long before symptoms appear."
"In 2025, quantum physicist Daniel Oblak and his colleagues published images of mice that made headlines around the world. The researchers put four anaesthetized mice inside a dark chamber and pointed a sensitive camera at them. It picked up a stream of photons emitted from the animals’ skin: a light signal too faint to be seen by the human eye, but visible in the camera images as a ghostly, mouse-shaped glow. ...
The idea that cells might communicate through extremely low-intensity light was first suggested in the 1920s by Russian biologist Alexander Gurwitsch ...
Biophotons are produced during aerobic metabolism, in which cells use oxygen to break down nutrients and extract energy. This mostly occurs in mitochondria. During metabolic reactions, short-lived chemicals produced from oxygen, called reactive oxygen species (ROS), generate intermediates that decompose to produce molecules in an ‘excited’ electronic state. As these relax into more stable arrangements, they can release energy in the form of photons.
A high-energy ‘singlet’ state of oxygen can emit a photon of red light as it decays, for example, whereas excited carbonyl (C=O) groups glow in the blue-green range. ..."
From the abstract:
"Biophotons are non-thermal and non-bioluminescent ultraweak photon emissions, first hypothesised by Gurwitsch as a regulatory mechanism in cell division, and then experimentally observed in living organisms.
Today, two main hypotheses explain their origin:
stochastic decay of excited molecules and coherent electromagnetic fields produced in biochemical processes.
stochastic decay of excited molecules and coherent electromagnetic fields produced in biochemical processes.
Recent interest focuses on the role of biophotons in cellular communication and disease monitoring.
This study presents the first campaign of biophoton emission measurements from cultured astrocytes and glioblastoma cells ...
The statistical analyses of the collected data revealed a clear separation between cellular signals and dark noise, confirming the high sensitivity of the apparatus. The Diffusion Entropy Analysis (DEA) was applied to the data to uncover dynamic patterns, revealing anomalous diffusion and long-range memory effects that may be related to intercellular signaling and cellular communication.
These findings support the hypothesis that biophoton emissions encode rich information beyond intensity, reflecting metabolic and pathological states.
The differences revealed by applying the Diffusion Entropy Analysis to the biophotonic signals of Astrocytes and Glioblastoma are highlighted and discussed in the paper.
This work lays the groundwork for future studies on neuronal cultures and proposes biophoton dynamics as a promising tool for non-invasive diagnostics and the study of cellular communication."
All living things emit a faint glow. Could this light be useful? "Ultra-weak ‘biophotons’ might be used to diagnose disease, or could even represent a new signalling mechanism in cells."
First Experimental Measurements of Biophotons from Astrocytes and Glioblastoma Cell Cultures (open access)
A sensitive camera picks up biophoton emissions from a mouse (alive, left; dead, right).
Figure 2. Comparison plots of biophotonic signals emitted by astrocyte (green) and glioblastoma (red) cell cultures concerning the background (dark counts in blue) performed with the LNF machine
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