We demonstrate a microarray sensor capable of obtaining both chemical and visual information on multiple cells simultaneously with single-cell resolution. The array was fabricated by covalently immobilizing a thin, pH-sensitive polymer layer on the distal end of an optical imaging fiber. The sensor'
Fertilization induced release of glycogen from bound state in sea urchin eggs
β Scribed by Hindo, Akiya ;Yasumasu, Ikuo
- Book ID
- 111662749
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1979
- Weight
- 713 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0148-7280
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## Abstract βFertilization acidβ is released from sea urchin eggs upon fertilization and decreases the pH of the surrounding seawater. In bicarbonateβfree artificial seawater flushed with nitrogen gas, the pH shift still occurs but returns to the original value in a few minutes, suggesting that the
## Abstract Decreased glycogen radioactivity was followed as an indicator of glycogen utilization following activation of __Strongylocentrotus purpuratus__ eggs. Within 15 minutes of exposure to sperm or ammonia, egg glycogen radioactivity decreased. The level of radioactivity in control (unfertili