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. Author manuscript; available in PMC: 2006 Apr 19.
Published in final edited form as: Chem Senses. 2005 Dec 21;31(3):197–206. doi: 10.1093/chemse/bjj017

Figure 4.

Figure 4

Substitution of Ba2+ for Ca2+ eliminated most of the enhancement of Iin elicited by IF in OSNs. (A) Under the single-voltage-pulse protocol, the peak of Iin increased with repetitive recordings in APS (solid circle). When Ca2+ in the bath was replaced by Ba2+, majority of Iin elicited by IF disappeared and the increase of Iin was decreased (open circle) (n = 5). (B) Similar results were observed with the dual-step protocol with same cells as A after a 5-min rest (n = 5).