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 and other metrics needed to improve yields and product efficacy. New perfusion devices are also becoming popular for certain cell culture applications. Environmental aspects for single-use bioreactors are important to consider due to the amount of disposable material used compared with conventional bioreactors. A complete life cycle assessment comparing single-use bioreactors and conventional bioreactors does not exist, but many ecological reasons are supporting the concept of single-use bioreactors. For a complete life cycle assessment not only the manufacturing, but also the repeated use need to be considered. Even the main part of a single-use bioreactor is not a disposable, but