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About OldManMahoney

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  1. Does anyone know of any (widely/commercially available) plastics that exhibit 'fully'-permeable properties? That is the plastic would allow small molecules to move freely in and out (water, carbon dioxide, oxygen, nitrate etc.), but prevent viruses, bacteria etc. from entering? I believe it would need to have mesoporous/nanoporous properties. Can't find anything online! Perhaps what I'm looking for doesn't exist. Basically i'm going through preliminary research for my MSc thesis that i'll be undertaking in summer. I'm looking for a material that could contain a marine microalgae culture wh
  2. I currently have a question sheet of biochemical statistics that I'm trying to work through. I would very much love any hints or examples of what to do for this question. I really don't know what to do, or where to begin! The reduction of a ferredoxin with ditionite (under anaerobic conditions), gave the spectra 'a' to 'h' as shown in the figure below: http://yfrog.com/0yimg28880j Spectrum 'a' represents a fully oxidised state and 'h' shows a fully reduced state. Spectra b-g represent partially and increasingly reduced ferredoxin. The volume was constant throughout the experime
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