markers for soluble cytoplasm ( lactate dehydrogenase ) , plasma and endoplasmic membranes membranes ( na-k-atpase ; acetylcholinesterase , nadph-cytochrome c reductase ] , mitochondrial membranes [ cytochrome oxidase ] and lysosomes [ acid phosphatase ] were used to assess contamination and were undetectable .
C0010834
cytoplasm
C0024369
lysosomes