22255
N2 adsorption and static light scattering ( SLS ) data were used to estimate the accessible surface area of cellulose which was then used for ITC data analysis .
 Chemical: N2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: N2