. Author manuscript; available in PMC: 2018 Apr 1.

Published in final edited form as: Laryngoscope. 2016 Oct 31;127(4):956–961. doi: 10.1002/lary.26355

Table 1. Direct exposure of 85% PBM with 15% Steryl alcohol (PBM-B) to Isopropyl Alcohol and Ethanol.

Alcohol Concentration %		20 Minutes	40 Minutes	60 minutes	24 Hours	48 Hours
100	iPrOH	+	Dissolved	---	---	---
100	EtOH	Dissolved	---	---	---	---
75	iPrOH	Dissolved	---	---	---	---
75	EtOH	Dissolved	---	---	---	---
50	iPrOH	+	+	Dissolved	---	---
50	EtOH	+	+	+	Dissolved	---
25	iPrOH	+	+	+	+	+
25	EtOH	+	+	+	+	+
10	iPrOH	+	+	+	+	+
10	EtOH	+	+	+	+	+
5	iPrOH	+	+	+	+	+
5	EtOH	+	+	+	+	+

+ Undissolved ---Test not completed due to dissolution at previous earlier time interval