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Poly-L-lysine (polylysine) and poly-L-glutamic acid (polyglutamic acid) have long been used as models for the spectroscopic identification of secondary structure sequences in proteins since, being disordered at neutral pH, they adopt well-defined conformations under certain conditions of temperature and pH (Yu and Krimm, 1977)

Diagnosis of vitamin B12 deficiency in patients with myeloproliferative disorders

Although caffeine consumption may impact sleep and thus impair glymphatic flow, some positive effects may be observed in chronic caffeine users due to metabolic improvements

Heating can degrade peptides, so working at room temperature is advisable

doi: 10.3389/fbioe.2020.00631 96 SchirrmacherV