The action of acetylcholine and adenosine triphosphate (ATP) on cytoplasmic Ca2+ concentration ([Ca2+Ji) was studied in the otocyst epithelium of embryonic day 3 chicks with Ca2+-sensitive fluorescence measurements. Increases in [Ca2+li were evoked by the bath application of acetylcholine (1 pM or h
โฆ LIBER โฆ
Differences among species in the response of firefly extracts to adenosine triphosphate
โ Scribed by McElroy, William D. ;Harvey, E. Newton
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1951
- Tongue
- English
- Weight
- 336 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0095-9898
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โฆ Synopsis
Early investigatioiis 011 light productioii by various luiiiiiious organisiiis established that a terniinal oxidation of a substrate, luciferiii (LH,), in the presence of a specific enzyme (luciferase) and oxygen was the basic light-emitting reaction (Ilarvey, '40). Although this reaction has not been established f o r all species of luminous organisms, it is probable that it represents a type reactioii which is basic for all esainples of biolumincscencc. hi additioii to the terminal
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