An antimicrobial hand wash includes a soap, an antimicrobial agent, and an amine salt. Because of the corruption of the mobile phone signal, a voice conversation between a caller and a receiver may be interrupted and there may be gaps in a received oral communication from one or more participants in the voice conversation forcing either or both the caller and the receiver to repeat the conversation. The patterned passivation layer is stacked on the patterned color resist layer. In one embodiment of the invention, unwanted soluble materials are captured by the treated silica filter media and desired component of interest is recovered from the flow-through. The method would preferentially select those help resources that matched the user skill level and past access criteria set by the practitioner. The invention also provides new cyclic oxygen compounds and pharmaceutical compositions and therapeutic methods that comprise such compounds.