29048
This is explained in terms of a steric resistance to adsorption from the conjugated amino acids in NaTC and NaGDC .
 amino acids, NaTC, NaGDC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 amino acids, NaTC, NaGDC