A system and method of operating an automatic speech recognition service using a client-server architecture is used to make automatic speech recognition and text to speech services accessible at a client location remote from the location of the main ASR and TTS engines. Each deposition vessel includes a source of deposition material and has at least two shadow masks associated therewith. In those cases, the server applications may identify security principal accounts managed by the separate trusted authorities for which the provided authentication information may be purported to be valid for by the requesting clients. The compositions are particularly suitable for mucosal delivery, including intranasal delivery. More particularly, the method, device, kit and automated system involve combinations of leukocyte filters attached to oligo-immobilized multi-well plates. s at a shear rate of 50 s1 and the quantity of silica present in the supernatant obtained after centrifuging the said suspension at 7500 revolutions per minute for 30 minutes represents more than 50% of the weight of the silica present in the suspension.