共查询到20条相似文献,搜索用时 31 毫秒
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K. Wünscher 《Starch - St?rke》1989,41(2):79-80
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K. Wünscher 《Starch - St?rke》1989,41(5):204-204
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G. Tegge 《Starch - St?rke》1983,35(3):106-106
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J. Herrmann 《Molecular nutrition & food research》1985,29(1):58-58
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G. Tegge 《Starch - St?rke》1981,33(12):432-432
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A simple system has been constructed for the quantitative determination of barley β-glucans. Measurements were made by the flow-injection-analysis (FIA) technique using the fluorescent dye Calcofluor as a specific reagent for (1·3) (1·4)–B—D—linkages. In this paper a single-line system is described involving only one pump samples of β-glucan being directly injected into the reagent stream. The reaction results in an increased intensity of fluorescence detected by a flow-through-cell fluorimeter and evaluated as peak heights or peak areas by a printer-plotter. The analysis is completed within 20s. The operational parameters were set during an optimization procedure. 相似文献
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