electro spray ionization is the key
google electrospray ionization
us patent 7198208
http://www.youtube.com/watch?v=G9NvboKL43Q ( needs finer mist , but you get the picture )
http://youtube.com/user/wwwshark
http://www.freepatentsonline.com/result.html?query_txt=PN/7198208%20OR%207198208