Comment on “spectroscopic detection of protonated N20”
✍ Scribed by T. Amano
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 50 KB
- Volume
- 130
- Category
- Article
- ISSN
- 0009-2614
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## Abstract This short review concerns the protonation of Schiff bases by halogenic or carboxylic acids with a bias toward the chromophore of visual and bacterial rhodopsins. It is pointed out that the weak acids available in these pigments could not protonate the retinyl Schiff base 100% and that
The A' 'Z: state of N2 was detected for the first time in a direct measurement, using a high-resolution laser absorption technique within the C" 'lI. +A' 'Z: (u' =O+Y" =O) band. Evidence is given that the quintet state was created by means of an energy pooling reaction from the A '2: state in a pure