園児の尿による流動パラフィンエマルジョン現象

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  • エンジ ノ ニョウ ニ ヨル リュウドウ パラフィンエマルジョン ゲンショウ
  • Emulsion Phenomema at the Interface of the Urine of Kindergarten Children and Liquid Paraffin

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type:Departmental Bulletin Paper

Emulsion　of　oil　in　water　is　obtained　by　adding　liquid　paraffin　to　the　urine　diluted　with physiologic　saline　solution, before　the　test　tubus　are　strongly　shaken.　The　subjects　are　71 healthy　kindergarten　children　aged　from　4　to　5.　The　results　are　outlined　as　follows: 1)The　average　value　of　the　multiple　of　critical　emulsion　forming　dilution,　D,　is　14.1 (12.2≦m≦15.9,α=0.05) in　case　of　71　subjects. 5 samples　in　which　urinary　proteinis　detected　by　Shino-test　are　excluded,　the　mean　value　of　D　is　12.5 (11.2≦m≦13.8,α=0.05). 2)The　critical　emulsion concentration,　C(1/D)of　boy　is　higher　than　that　of the　girl. The　difference　is　significant. 3)The　average　value　of urinary　specific　gravity　is　1.027.　The　relation　between　specific gravity　and　the　logalism　of C is　linear. 4)The　D　of　kindergarten　children　is　smaller　than　that　of　the　high　school　boys　and　the old　men　and　women,　but　it　is　larger　than　that　of　the　young　men　and　women,　which　are shown　in　the　previous　reports.　When　D　is　smaller　than　32, urinary　protein　cannot　be　detected　by　an　ordinary　method;sulfosalicylic　acid　test,　for　example.　But　even　then　emulsion　phenomena　at　the　interfaseof　the　urine　and　liquid　paraffin　are　observed,　which　means　that　the　detection　of　protein by　an　emulsion　method　may　be　possible.

identifier:滋賀大学教育学部紀要, 自然科学, 第27号, pp.61-64

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