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Mycobacterium tuberculosis bacilli exhibit cell wall alterations during in vivo growth. Development of ultrasensitive analytical techniques with high specificities is required to analyze the cell wall of M. tuberculosis isolated from experimental animals because of the low amounts of bacteria available and contamination by host tissue. Here we present a novel methodology to analyze all three major...
A method is described using desorption electrospray ionization (DESI) mass spectrometry (MS) to obtain phospholipid mass spectral profiles from crude lung tissue extracts. The measured DESI mass spectral lipid fingerprints were then analyzed by unsupervised learning principal components analysis (PCA). This combined approach was used to differentiate the effect(s) of two vaccination routes on lipid...
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