PubMed · 248449
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N Shimada. 1978. [Foam test (shake test)].. https://pubmed.ncbi.nlm.nih.gov/248449/
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A proposed convention sets zero pressure at atmospheric pressure at the level of the surface supporting the supine patient and takes the cm of water as the unit of measurement. This ensures that measurements made in different clinics will be comparable. Statements about 'higher' and 'lower' pressures, in different patients or in the same patient in different situations, should specify the level of the uterus to which the statement applies.
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Mucins in human amniotic fluid are represented by two distinct molecular species, FM-1 and FM-2, with apparent molecular masses of 700 and 570 kDa, respectively, in SDS/polyacrylamide gradient gels. FM-1 and FM-2 were isolated by preparative SDS/PAGE to apparent homogeneity and subjected to structural studies on their carbohydrate portions. The carbohydrate compositions of the mucin species differed only marginally and exhibited significant amounts of mannose. O-linked core-region glycans on human amniotic mucin-derived pronase-stable glycopeptides were analyzed after reductive beta-elimination and purification on HPLC by a combination of methylation analysis, electron-impact mass spectrometry of permethylated oligosaccharide alditols and fast-atom-bombardment mass spectrometry of acetylated or methylated alditols (positive-ion mode) or alditol-derived neoglycolipids (negative-ion TLC-MS). The primary structures of major monosaccharides to tetrasaccharides have been established which exhibit at their reducing termini core 1, core 2 and core 3 sequences, as follows. [Table; see text]