Ariel (detergent) Automatic" powder. Though with the increasing popularity of automatic front-loading washing machines, a suitable low-suds variant "Ariel Automatic" was eventually launched in the early 1980s. The mid-eighties saw the range expanding to encompass liquid detergent and compact powder. The compact powder was originally known as "Ariel Ultra"; and was subsequently reformulated into the nineties as "Ariel Future". This was possibly in response to Unilever's launch of the ultimately doomed "Persil Power", which was seen to damage clothes. Compact powders never proved popular in the UK, so when the tablet variant appeared in July 1999, the compact version disappeared. In 2003,
Cleavable detergent from Expedeon, is the abbreviation for sodium 3-(4-(1,1-bis(hexyloxy)ethyl)pyridinium-1-yl)propane-1-sulfonate. This acetalic detergent is split under acidic conditions into hexanol and the zwitterionic 3-acetyl-1-(3-sulfopropyl)pyridinium. ProteaseMAX'is the brandname of Promega for sodium 3-((1-(furan-2-yl)undecyloxy)carbonylamino)propane-1-sulfonate. This cleavable detergent is sensitive to heat and acid and is degraded during a typical trypsin digestion into the uncharged lipophilic compound 1-(furan-2-yl)undecan-1-ol and the zwitterionic 3-aminopropane-1-sulfonic acid (homotaurine), which can be removed by C18 solid phase extraction during sample work-up. RapiGest SF, the brand-name for sodium 3-[(2-methyl-2-undecyl-1,3-dioxolan-4-yl)methoxy]-1-propanesulfonate, is an acid-cleavable anionic detergent marketed by Waters Corporation and AOBIOUS INC. MALDI matrix compounds such as α-cyano-4-hydroxycinnamic acid have been linked