Zobrazeno 1 - 8
of 8
pro vyhledávání: '"AndréP. De Leenheer"'
Publikováno v:
Journal of Chromatography A. 782:63-68
No validated high-performance liquid chromatography (HPLC) methods for the determination of vitamin E in algae have been reported. We developed and evaluated a new procedure for the quantitation of microalgal α- and γ-tocopherol (α-T and γ-T) usi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d18d0a8a4155770dafd4e2a29aa611d
https://doi.org/10.1016/s0021-9673(97)00467-6
https://doi.org/10.1016/s0021-9673(97)00467-6
Autor:
Denis De Keukeleire, Wum Saeyens, Katrien G. Van Landuyt, Dietmar Stöckl, Linda M. Thienpont, AndréP. De Leenheer
Publikováno v:
Journal of chromatography. B, Biomedical applications. 665(1)
We evaluated two internal standards for HPLC determination of creatinine in human serum after ultrafiltration: 2-iminoimidazolidin-4-one for normal-phase HPLC on aluminium oxide, and thymine for C 18 reversed-phase HPLC. Detection of 2-iminoimidazoli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a3fc6cfbb1b91164a2202e1f41f5c7d
https://pubmed.ncbi.nlm.nih.gov/7795802
https://pubmed.ncbi.nlm.nih.gov/7795802
Autor:
R M Bauwens, AndréP. De Leenheer
Publikováno v:
Clinica Chimica Acta. 152:143-154
Human plasma and serum levels for 1 alpha,25-dihydroxyvitamin D were determined by a cytosol radioreceptor assay (RRA) and a radioimmunoassay (RIA). For both assays, 1.5 ml of human serum or plasma is used. Prior to RRA or RIA, extraction with benzen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::898cad53aa9ef89ae40ce39a71d6bb98
https://doi.org/10.1016/0009-8981(85)90185-8
https://doi.org/10.1016/0009-8981(85)90185-8
Autor:
Alex Vermeulen, Joseph A. Jonckheere, AndréP. De Leenheer, Jean-Paul M. De Slypere, Willy E. Lambert
Publikováno v:
Analytical Biochemistry. 134:216-223
A sensitive and specific high-performance liquid chromatographic (HPLC) method for the determination of cortisol in only 200 microliters of serum is described. Cortisol and two internal standards, 19-nortestosterone (IS1) and 6 alpha-methylprednisolo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48e6fa2684d1aa18fc1ee301342ba583
https://doi.org/10.1016/0003-2697(83)90287-7
https://doi.org/10.1016/0003-2697(83)90287-7
Publikováno v:
Analytical biochemistry. 158(2)
The reference interval for serum vitamin K1(20) levels was assayed in healthy fasting adults by a method based on high-performance liquid chromatography (HPLC). The isolation procedure involves a solvent extraction of the plasma lipids followed by tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59db993a67296895af0d6d9bfb1a7664
https://pubmed.ncbi.nlm.nih.gov/3812969
https://pubmed.ncbi.nlm.nih.gov/3812969
Publikováno v:
Clinica chimica acta; international journal of clinical chemistry. 144(2-3)
In Belgium, external quality assessment of health laboratories is organised according to the directives of the government. The programme in the discipline haematology, as conceived by our laboratory, has now been carried out for about two and a half
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db0eac170d2f8e56a84d0d46e2c1543a
https://pubmed.ncbi.nlm.nih.gov/6529864
https://pubmed.ncbi.nlm.nih.gov/6529864
Publikováno v:
Analytical biochemistry. 98(2)
The occurrence of retinoic acid (vitamin A acid) as a normal constituent of the vitamin A reserve from the body is demonstrated. Improved methodologies based on selected peak monitoring (spm) and high-performance liquid chromatography (hplc) are used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c01615f10887ad2dbaaf479c9a748b23
https://pubmed.ncbi.nlm.nih.gov/496005
https://pubmed.ncbi.nlm.nih.gov/496005
Publikováno v:
Clinica chimica acta; international journal of clinical chemistry. 133(1)
A description is given of one of the existing National External Quality Assessment Schemes as organised in Belgium. The results of the six surveys held in 1981 in the disciplines Clinical Chemistry and Hormonology are reported. A few general conclusi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::835d71712970c67fa5733fb79b5b1cd8
https://pubmed.ncbi.nlm.nih.gov/6688765
https://pubmed.ncbi.nlm.nih.gov/6688765