New principle for estimation of hydrogen in expired air
A new device for estimation of hydrogen in expired air is described. The measuring principle consists of a semi-conductive detector with a high affinity for hydrogen. Experiments on reliability and reproducibility are satisfactory. A good correlation has been obtained with the results of gas chromat...
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| Veröffentlicht in: | European journal of pediatrics 1984-02, Vol.141 (4), p.221-224 |
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| container_end_page | 224 |
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| container_issue | 4 |
| container_start_page | 221 |
| container_title | European journal of pediatrics |
| container_volume | 141 |
| creator | VAN DER KLEI-VAN MOORSEL, J. M DOUWES, A. C VAN OEVEREN, J. P |
| description | A new device for estimation of hydrogen in expired air is described. The measuring principle consists of a semi-conductive detector with a high affinity for hydrogen. Experiments on reliability and reproducibility are satisfactory. A good correlation has been obtained with the results of gas chromatographic analysis of hydrogen in reference gases as well as in samples of expired air. Discrimination between lactose absorbers and lactose malabsorbers in 50 consecutive patients is the same when using both methods simultaneously. This so-called "Lactoscreen", supplied with separate collection systems for infants and for older children, provides a rapid estimation of breath hydrogen concentration. A built-in hydrogen generator produces hydrogen air mixtures of variable concentrations, thus obviating the need for external reference gases. The "Lactoscreen" appears to be reliable for routine screening for carbohydrate malabsorption in children and adults and is easy for medical assistants to handle. |
| doi_str_mv | 10.1007/BF00572764 |
| format | Article |
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A built-in hydrogen generator produces hydrogen air mixtures of variable concentrations, thus obviating the need for external reference gases. The "Lactoscreen" appears to be reliable for routine screening for carbohydrate malabsorption in children and adults and is easy for medical assistants to handle.</description><identifier>ISSN: 0340-6199</identifier><identifier>EISSN: 1432-1076</identifier><identifier>DOI: 10.1007/BF00572764</identifier><identifier>PMID: 6734671</identifier><identifier>CODEN: EJPEDT</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>Adult ; Biological and medical sciences ; Breath Tests - instrumentation ; Carbohydrate Metabolism ; Child ; Chromatography, Gas ; Humans ; Hydrogen - analysis ; Investigative techniques, diagnostic techniques (general aspects) ; Lactose Tolerance Test - instrumentation ; Lactose Tolerance Test - methods ; Malabsorption Syndromes - diagnosis ; Medical sciences ; Metabolic diseases ; Pathology. 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M</creatorcontrib><creatorcontrib>DOUWES, A. C</creatorcontrib><creatorcontrib>VAN OEVEREN, J. P</creatorcontrib><title>New principle for estimation of hydrogen in expired air</title><title>European journal of pediatrics</title><addtitle>Eur J Pediatr</addtitle><description>A new device for estimation of hydrogen in expired air is described. The measuring principle consists of a semi-conductive detector with a high affinity for hydrogen. Experiments on reliability and reproducibility are satisfactory. A good correlation has been obtained with the results of gas chromatographic analysis of hydrogen in reference gases as well as in samples of expired air. Discrimination between lactose absorbers and lactose malabsorbers in 50 consecutive patients is the same when using both methods simultaneously. This so-called "Lactoscreen", supplied with separate collection systems for infants and for older children, provides a rapid estimation of breath hydrogen concentration. A built-in hydrogen generator produces hydrogen air mixtures of variable concentrations, thus obviating the need for external reference gases. The "Lactoscreen" appears to be reliable for routine screening for carbohydrate malabsorption in children and adults and is easy for medical assistants to handle.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Breath Tests - instrumentation</subject><subject>Carbohydrate Metabolism</subject><subject>Child</subject><subject>Chromatography, Gas</subject><subject>Humans</subject><subject>Hydrogen - analysis</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Lactose Tolerance Test - instrumentation</subject><subject>Lactose Tolerance Test - methods</subject><subject>Malabsorption Syndromes - diagnosis</subject><subject>Medical sciences</subject><subject>Metabolic diseases</subject><subject>Pathology. Cytology. Biochemistry. Spectrometry. 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P</creator><general>Springer</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>198402</creationdate><title>New principle for estimation of hydrogen in expired air</title><author>VAN DER KLEI-VAN MOORSEL, J. M ; DOUWES, A. C ; VAN OEVEREN, J. P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c311t-62fed812662347cc1db5f259781472687e7490ea239de8b1a0bb9a85e5bf728c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Breath Tests - instrumentation</topic><topic>Carbohydrate Metabolism</topic><topic>Child</topic><topic>Chromatography, Gas</topic><topic>Humans</topic><topic>Hydrogen - analysis</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Lactose Tolerance Test - instrumentation</topic><topic>Lactose Tolerance Test - methods</topic><topic>Malabsorption Syndromes - diagnosis</topic><topic>Medical sciences</topic><topic>Metabolic diseases</topic><topic>Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>VAN DER KLEI-VAN MOORSEL, J. M</creatorcontrib><creatorcontrib>DOUWES, A. C</creatorcontrib><creatorcontrib>VAN OEVEREN, J. P</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of pediatrics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>VAN DER KLEI-VAN MOORSEL, J. M</au><au>DOUWES, A. C</au><au>VAN OEVEREN, J. P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New principle for estimation of hydrogen in expired air</atitle><jtitle>European journal of pediatrics</jtitle><addtitle>Eur J Pediatr</addtitle><date>1984-02</date><risdate>1984</risdate><volume>141</volume><issue>4</issue><spage>221</spage><epage>224</epage><pages>221-224</pages><issn>0340-6199</issn><eissn>1432-1076</eissn><coden>EJPEDT</coden><abstract>A new device for estimation of hydrogen in expired air is described. The measuring principle consists of a semi-conductive detector with a high affinity for hydrogen. Experiments on reliability and reproducibility are satisfactory. A good correlation has been obtained with the results of gas chromatographic analysis of hydrogen in reference gases as well as in samples of expired air. Discrimination between lactose absorbers and lactose malabsorbers in 50 consecutive patients is the same when using both methods simultaneously. This so-called "Lactoscreen", supplied with separate collection systems for infants and for older children, provides a rapid estimation of breath hydrogen concentration. A built-in hydrogen generator produces hydrogen air mixtures of variable concentrations, thus obviating the need for external reference gases. The "Lactoscreen" appears to be reliable for routine screening for carbohydrate malabsorption in children and adults and is easy for medical assistants to handle.</abstract><cop>Heidelberg</cop><cop>Berlin</cop><pub>Springer</pub><pmid>6734671</pmid><doi>10.1007/BF00572764</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0340-6199 |
| ispartof | European journal of pediatrics, 1984-02, Vol.141 (4), p.221-224 |
| issn | 0340-6199 1432-1076 |
| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Adult Biological and medical sciences Breath Tests - instrumentation Carbohydrate Metabolism Child Chromatography, Gas Humans Hydrogen - analysis Investigative techniques, diagnostic techniques (general aspects) Lactose Tolerance Test - instrumentation Lactose Tolerance Test - methods Malabsorption Syndromes - diagnosis Medical sciences Metabolic diseases Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques |
| title | New principle for estimation of hydrogen in expired air |
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