Natural Penicillins. David B. Beta-lactam ring interferes with final stage of cell wall synthesis by binding to peptidoglygan, bacterial enzyme that catalyzes cell wall strength. Bacteriocidal activity against many gram-positive organisms, as well as some spirochetes and fungi. Is susceptible to penicillinase (beta-lactamase).
Superior Syberkleen 2000 Saponifier is formulated for removing flux residues in batch or in-line cleaning systems. Superior Descaler removes mineral deposits that build up in water cleaning equipment over time.
Entandrophragma cylindricum, commonly known as the sapele or sapelli (/sÉËpiËliË/ sÉ-PEE-lee), is a large tree native to tropical Africa. The tree is also known as aboudikro.apele internal doors (normally a thin veneer of the wood on a cardboard honeycomb inner structure) were very popular in the United Kingdom during the 1980s and 1990s, although uncommon now. The American car maker Cadillac uses sapele wood for interior wood trim on its vehicles.