8486
The results of these studies suggest that the reactivity and products of oxidation of unsaturated phospholipids on sea - salt particles in air will be very sensitive to the nature and phase of the substrate , the amount of water present , and whether there is phase separation between the organics and the inorganic salt mixture .
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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