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In 2017, Guan et al., study on a pH-responsive detachable polyethyleneglycol (PEG) shielding strategy for gene delivery system in cancer therapy

Research backs the general idea, though it's worth being precise about what it does and doesn't prove
[DOI] [PMC free article] [PubMed] [Google Scholar] 70.Favuzzi E, et al

Review: Chemical pathology of homocysteine VI
Iron, an essential element for cellular respiration and DNA synthesis, functions as a key modulator of immune cell activity 30
