| pubmed-article:15524198 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:15524198 | lifeskim:mentions | umls-concept:C0012155 | lld:lifeskim |
| pubmed-article:15524198 | lifeskim:mentions | umls-concept:C0680730 | lld:lifeskim |
| pubmed-article:15524198 | lifeskim:mentions | umls-concept:C1514468 | lld:lifeskim |
| pubmed-article:15524198 | lifeskim:mentions | umls-concept:C0003999 | lld:lifeskim |
| pubmed-article:15524198 | lifeskim:mentions | umls-concept:C1148554 | lld:lifeskim |
| pubmed-article:15524198 | lifeskim:mentions | umls-concept:C0183210 | lld:lifeskim |
| pubmed-article:15524198 | pubmed:issue | 10 | lld:pubmed |
| pubmed-article:15524198 | pubmed:dateCreated | 2004-11-4 | lld:pubmed |
| pubmed-article:15524198 | pubmed:abstractText | A very simple flow-through sensor is presented for the determination of the intense sweetener aspartame in low-calorie and dietary products. The sensor is implemented in a monochannel flow-injection system with UV spectrophotometric detection using a Sephadex CM-C25 cationic exchanger packed 20 mm high in a flow cell. This method is based on the transient retention of a cationic species of the sweetener on the solid phase when a pH 5.0 acetic acid sodium acetate buffer (0.01 M) is used as a carrier (2.6 mL(-1) min). The carrier itself elutes the analyte from the solid support, regenerating a sensing zone. Aspartame was determined by measuring its intrinsic absorbance at 219 nm at its residence time without any derivatization. Calibration graphs were linear over the range of 5.0 - 600.0 microg mL(-1) with an RSD of 0.55% (peak height). This sweetener was determined in several samples by measuring the height or peak area, obtaining recoveries ranging between 95 - 101% and 97.5 - 101%, respectively. The procedure was validated for its use in the determination of aspartame in low-calorie and dietary products, giving reproducible and accurate results. | lld:pubmed |
| pubmed-article:15524198 | pubmed:language | eng | lld:pubmed |
| pubmed-article:15524198 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15524198 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:15524198 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15524198 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:15524198 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:15524198 | pubmed:issn | 0910-6340 | lld:pubmed |
| pubmed-article:15524198 | pubmed:author | pubmed-author:Capitán-Vallv... | lld:pubmed |
| pubmed-article:15524198 | pubmed:author | pubmed-author:ValenciaM CMC | lld:pubmed |
| pubmed-article:15524198 | pubmed:author | pubmed-author:NicolásE... | lld:pubmed |
| pubmed-article:15524198 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:15524198 | pubmed:volume | 20 | lld:pubmed |
| pubmed-article:15524198 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:15524198 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:15524198 | pubmed:pagination | 1437-42 | lld:pubmed |
| pubmed-article:15524198 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
| pubmed-article:15524198 | pubmed:meshHeading | pubmed-meshheading:15524198... | lld:pubmed |
| pubmed-article:15524198 | pubmed:meshHeading | pubmed-meshheading:15524198... | lld:pubmed |
| pubmed-article:15524198 | pubmed:meshHeading | pubmed-meshheading:15524198... | lld:pubmed |
| pubmed-article:15524198 | pubmed:meshHeading | pubmed-meshheading:15524198... | lld:pubmed |
| pubmed-article:15524198 | pubmed:meshHeading | pubmed-meshheading:15524198... | lld:pubmed |
| pubmed-article:15524198 | pubmed:meshHeading | pubmed-meshheading:15524198... | lld:pubmed |
| pubmed-article:15524198 | pubmed:meshHeading | pubmed-meshheading:15524198... | lld:pubmed |
| pubmed-article:15524198 | pubmed:year | 2004 | lld:pubmed |
| pubmed-article:15524198 | pubmed:articleTitle | Flow-through spectrophotometric sensor for the determination of aspartame in low-calorie and dietary products. | lld:pubmed |
| pubmed-article:15524198 | pubmed:affiliation | Department of Analytical Chemistry, Research Group Solid Phase Spectrometry, Faculty of Sciences, University of Granada, Avda, Fuentenueva s/n, E-18071 Granada, Spain. lcapitan@ugr.es | lld:pubmed |
| pubmed-article:15524198 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:15524198 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
