Simon Harold

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A high-performance liquid chromatographic (HPLC) procedure has been developed for the separation of phospholipids commonly found in amniotic fluid. The chromatographic separation was achieved on a 25-cm column packed with LiChrosorb DIOL (10 mum). A 3-cm column packed with silica was fitted between the injector and the DIOL column to provide complete(More)
The effects of grazing by the collembolan Folsomia candida on mycelial foraging patterns of Hypholoma fasciculare growing from beech (Fagus sylvatica) wood block inocula in trays of non-sterile soil was investigated. The wood inocula differed in size, state of decay (time for which wood has been colonized: 2 yr, 1 yr, 6 and 3 months) and nutrient status(More)
A miniature two-dimensional thin-layer chromatographic procedure employing silica gel impregnated glass-microfiber chromatography sheets (commercial product, ITLC-type SG sheets) has been developed for the separation of lecithin (L) and sphingomyelin (S) from a standard lipid mixture containing L, S, lysolecithin, phosphatidyl inositol (PI), phosphatidyl(More)
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