Various techniques are described for resource management on a computing platform. The protein binds specifically to nerve cells with a higher affinity as the native neurotoxin. According to this silica-based film forming material for formation of air gaps, air gaps with a great degree of opening can be formed even when coated with a spin coating method, without filling the recessed parts. The apparatus may also be configured as a tunable receiver by utilizing a detector to detect a characteristic of a filtered output beam. The adapter further includes a lip circumferentially disposed around one end of the base that is proximate the nipple when the sealing disc is engaged with the cap.