Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 142-25-6, Name is N1,N1,N2-Trimethylethane-1,2-diamine, SMILES is CNCCN(C)C, in an article , author is Liu, Qiufeng, once mentioned of 142-25-6, Application In Synthesis of N1,N1,N2-Trimethylethane-1,2-diamine.
The early stages of Alzheimer’s disease pathogenesis are thought to occur at the synapse level, since synapse loss can be directly correlated with memory dysfunction. Considerable evidence has suggested that amyloid beta (A beta), a secreted proteolytic derivative of amyloid precursor protein, appears to be a critical factor in the early ‘synaptic failure’ that is observed in Alzheimer’s disease pathogenesis. The identification of A beta at neuronal spines with high spatial resolution and high surface specificity would facilitate unraveling the intricate effect of A beta on synapse loss and its effect on neighboring neuronal connections. Here, tip-enhanced Raman spectroscopy was used to map the presence of A beta aggregations in the vicinity of the spines exposed to A beta preformed in vitro. Exposure to A beta was of 1 and 6 hours. The intensity variation of selected vibrational modes of A beta was mapped by TERS for different exposure times to A beta. Of interest, we discuss the distinct contributions of the amide modes from A beta that are enhanced by the TERS process and in particular the suppression of the amide I mode in the context of recently reported observations in the literature.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics