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The previously developed probe was found to display the greatest activity in the inhibition of NMDA - induced Ca ( 2 + ) influx by calcium imaging experiments on HEK293 cells transfected with the cDNA encoding for GluN1 - 1A and GluN2B .
 Chemical: NMDA; Chemical: Ca ( 2 + ); Chemical: calcium
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: NMDA; Chemical: Ca ( 2 + ); Chemical: calcium