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      Biochemistry of the normal dura mater of the human brain determination of water, sodium, potassium, calcium, phosphorus, magnesium, copper, iron, sulfur and nitrogen contents Translated title: Estudo bioquímico da dura mater normal do cérebro humano: conteúdo de água, sódio, potássio, cálcio, fósforo, magnésio, cobre ferro, enxôfre e nitrogênio

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          Abstract

          The concentrations of water, sodium, potassium, calcium, phosphorus, magnesium, copper, iron, sulfur, and nitrogen were determined in samples of apparently normal dura mater removed from 18 subjects recently dead by craniocerebral trauma. The average concentrations expressed in dry weight were: water 79.55 g/100 g ± 2.52; sodium 1.63 mequiv/100 g ±0.27; potassium 3.68 mequiv/100 g ± 0.66; calcium 119.84 mg/100 g ± 107.40; phosphorus 68.2 mg/100 g ± 34.5; magnesium 0.61 mequiv/100 g ± 0.37; copper 249.8 /xg/100 g ± 109.4; iron 0.82 mg/100 g ± 0.28; sulfur 490.7 mg/100 g ± 22.5; nitrogen 3.33 g/100 g ± 0.17.

          Translated abstract

          Foram determinadas as concentrações de água, sódio, potássio, cálcio, fósforo, magnésio, cobre, ferro, enxôfre e nitrogênio de espécimes de dura máter aparentemente normal retirados de 18 indivíduos recentemente falecidos em conseqüência de traumatismo crânio-encefálico. As concentrações médias, expressas em peso seco, foram as seguintes: água 79,55 g/100 g ± 2,52; sódio 1,63 mequiv/100 g ± 0,27; potássio 3,68 mequiv/100 g ± 0,66; cálcio 119,84 mg/100 g ± 107,40; fósforo 68,2 mg/100 g ± 34,5; magnésio 0,61 mequiv/100 g ± 0,37; cobre 249,8 mg/100 ± 109,4; ferro 0,82 mg/100 g ± 0,28; enxôfre 490,7 mg/100 g ± 22,5; nitrogênio 3,33 g/100 g ± 0,17.

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          Most cited references 10

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          En ny Methode til Kvaelstofvestemmelse i organiske Stoffer

           J. Kjeldahl (1883)
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            The colorimetric determination of phosphorus

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              Colorimetric determination of iron and hemoglobin in blood. II

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                Author and article information

                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                anp
                Arquivos de Neuro-Psiquiatria
                Arq. Neuro-Psiquiatr.
                Academia Brasileira de Neurologia - ABNEURO (São Paulo )
                1678-4227
                June 1969
                : 27
                : 2
                : 85-88
                S0004-282X1969000200001
                10.1590/S0004-282X1969000200001

                http://creativecommons.org/licenses/by/4.0/

                Product
                Product Information: SciELO Brazil
                Categories
                NEUROSCIENCES
                PSYCHIATRY

                Neurosciences, Clinical Psychology & Psychiatry

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