25127
We have studied their charge - dependent transport into early - developing ( cleavage - stage ) zebrafish embryos and their effects on embryonic development using dark - field optical microscopy and spectroscopy ( DFOMS ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None