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Not only will this help you avoid a ticket, but it also protects the people who rely on you the most

After gel solidification, coverslips were removed and slides were immersed in freshly prepared ice-cold lysis solution (2.5 M NaCl, 100 mM Na 2 EDTA.H 2 0, 10 mM Tris HCL, NaOH, pH 10) with 10% Dimethyl Sulfoxide (DMSO, Sigma) and 1% Triton X-100 (Sigma), for 1 h, at 4C, in the dark

It's hard to know for sure how safe those methods are

Indeed, stationary smokers would appear to be the greater environmental hazard, concentrating their deadly fumes in one small area as opposed to spreading them across several city blocks