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2. Anion-conducting channelrhodopsin - Wikipedia

   en.wikipedia.org/wiki/Anion-conducting_channelr...

   Due to their high light sensitivity, ACRs can be activated with dim light which does not interfere with visual stimulation, even in very small animals like the fruit fly Drosophila. [14] When combined with a red-light sensitive cation-conducting channelrhodopsin, ACRs allow for bidirectional control of neurons: Silencing with blue light ...

3. Activator (phosphor) - Wikipedia

   en.wikipedia.org/wiki/Activator_(phosphor)

   The delayed de-excitation of those metastable impurity states, slowed by reliance on the low-probability forbidden mechanism, again results in light emission (slow component). The activator is the main factor determining the phosphor emission wavelength. The nature of the host crystal can however to some degree influence the wavelength as well.

4. Rhodopsin - Wikipedia

   en.wikipedia.org/wiki/Rhodopsin

   It is only activated when 11-cis-retinal absorbs a photon of light and isomerizes to all-trans-retinal, [37] [38] the receptor activating form, [39] [40] causing conformal changes in rhodopsin (bleaching), [39] which activate a phototransduction cascade. [41] Thus, a chemoreceptor is converted to a light or photo(n)receptor. [16]

5. Triboluminescence - Wikipedia

   en.wikipedia.org/wiki/Triboluminescence

   It is the emission of light from the fracture (rather than rubbing) of a crystal, but fracturing often occurs with rubbing. Depending upon the atomic and molecular composition of the crystal, when the crystal fractures, a charge separation can occur, making one side of the fractured crystal positively charged and the other side negatively charged.

6. Myosin light-chain kinase - Wikipedia

   en.wikipedia.org/wiki/Myosin_light-chain_kinase

   Myosin light chain pulls the actin stress fiber attached to the cadherin, resisting the force of the adjacent cell's cadherin. However, when the inward pulling force of the actin stress fiber becomes greater than the outward pulling force of the cell adhesion molecules due to an overactive MYLK, tissues can become slightly pulled apart and ...

7. Tritium radioluminescence - Wikipedia

   en.wikipedia.org/wiki/Tritium_radioluminescence

   The light produced by GTLSs varies in color and size. Green usually appears as the brightest color with a brightness as high as 2 cd/m 2 [ 6 ] and red appears the least bright. For comparison, most consumer desktop liquid crystal displays have luminances of 200 to 300 cd/m 2 . [ 7 ]

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9. Methylammonium lead halide - Wikipedia

   en.wikipedia.org/wiki/Methylammonium_lead_halide

   In the [CH 3 NH 3]PbX 3 cubic crystal structure the methylammonium cation ([CH 3 NH 3] +) is surrounded by PbX 6 octahedra. The X ions are not fixed and can migrate through the crystal with an activation energy of 0.6 eV; the migration is vacancy assisted. [1] The methylammonium cations can rotate within their cages.