A Single Man (album) on Through", "Return to Paradise" and "Song for Guy") and the other at a RTL studio on 20 October 1978 (performing "Part-Time Love", "Shooting Star" and "Song for Guy"). John's tour in 1979 included songs from the album ("Part-Time Love" and "Song for Guy"). Since that period, songs other than "Song for Guy" have not been performed. All songs by Elton John and Gary Osborne, except where noted. A Single Man (album) A Single Man, released in 1978, is the twelfth studio album release for Elton John. It is the first album where Gary Osborne replaced Bernie Taupin as lyricist.
Single-use bioreactor conventional bioreactors. Instead of a culture vessel made from stainless steel or glass, a single-use bioreactor is equipped with a disposable bag. The disposable bag is usually made of a three-layer plastic foil. One layer is made from Polyethylene terephthalate or LDPE to provide mechanical stability. A second layer made using PVA or PVC acts as a gas barrier. Finally, a contact layer is made from PVA or PP. For medical applications the single-use materials that contact the product must be certified by the European Medicines Agency or similar authorities responsible for other regions. In general there are two different