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Also the cytotoxicity of SWCNT and MWCNT on the PC12 cell line as a model of nervous system cell line was investigated by the MTT, LDH, acridine orange/ethidium bromide staining, flow cytometry, caspase 3 activity, cell and membrane potential assays.
It was observed that SWCNT induced more structural changes of tau protein relative to MWCNT/tau protein interaction.
The MWCNTs synthesized here were characterized by a transmission electron microscope, a Raman spectrophotometer and a wide angle X-ray diffractometer.
The National Health and Environmental Effects Research Laboratory (NHEERL) conducts systems-based, effects research needed to achieve sustainable health and wellbeing.
Research encompasses both human and ecosystem health, in that they are inextricably linked.
This is a list of the oldest known trees, as reported in reliable sources.
Definitions of what constitutes an individual tree vary.In addition, tree ages are derived from a variety of sources, including documented "tree-ring" count core samples, and from estimates.