5940
This mechanism , referred to as halo stabilization , is quite general and applicable in a range of systems provided that pH , van der Waals forces , and dissociation constants of the charge - regulating particles are properly chosen .
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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:
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