= Protein Preparation Handbook, Thermo Fisher Scientific
{c}
{title2=copyright 2016–2018}
Online text: https://documents.thermofisher.com/TFS-Assets/BID/Handbooks/protein-preparation-handbook.pdf
Manufacturer scientific handbook issued by Thermo Fisher Scientific. The printed copyright range is 2016–2018; the document code does not establish its publication year. Figure 9A measures salt removal through conductivity, while Figure 8 measures protein retention separately; neither test alone establishes preserved enzymatic function.
Cited passages: Protein Preparation Handbook, printed p. 11, Figure 8 and caption: membrane series, preparation, duration, temperature and protein assay; the separately plotted vitamin B12 uses a different optical readout; Protein Preparation Handbook, printed p. 11, Figure 9A and caption: sample preparation, 10K membrane, baths, conductivity and conventional-dialysis reference.
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