SYNTHESIS OF (²H₈) ESTRADIOL, (²H₇) ESTRONE, (²H₆) 2-HYDROXYESTRONE AND (²H₆) 4-HYDROXYESTRONE AS INTERNAL STANDARDS FOR SELECTED ION MONITORINGKNUPPEN R; HAUPT O; HOPPEN HO et al.1982; STEROIDS; ISSN 0039-128X; USA; DA. 1982; VOL. 39; NO 6; PP. 667-673; BIBL. 11 REF.Article

UNTERSUCHUNGEN UEBER DEN STOFFWECHSEL VON RETRO-PROGESTERON UND 17-HYDROXY-RETRO-PROGESTERON = RECHERCHES SUR LE METABOLISME DE LA RETRO-PROGESTERONE ET DE LA 17-HYDROXY RETRO-PROGESTERONEKNUPPEN R; HAUPT O; BREUER H et al.1975; ARZNEIMITTEL-FORSCH.; DTSCH.; DA. 1975; VOL. 25; NO 1; PP. 28-31; ABS. ANGL.; BIBL. 10 REF.Article

RADIOIMMUNOASSAY OF 2-HYDROXYESTRONE.BALL P; EMONS G; HAUPT O et al.1978; STEROIDS; U.S.A.; DA. 1978; VOL. 31; NO 2; PP. 249-258; BIBL. 15 REF.Article

FORMATION OF 2-METHOXYOESTRONE FROM OESTRONE IN HUMAN FOETAL ADRENALS IN VITRO = FORMATION DE LA 2-METHOXYOESTRONE A PARTIR DE L'OESTRONE DANS LES SURRENALES DU FOETUS HUMAIN IN VITROSTARKA L; SULCOVA J; KNUPPEN R et al.1973; J. STEROID BIOCHEM.; G.B.; DA. 1973; VOL. 4; NO 1; PP. 17-19; BIBL. 13 REF.Article

PHARMACOLOGICAL EFFECTS OF 2- AND 4-METHYLOESTRADIOL AS A PROBE TO TEST THE BIOLOGICAL IMPORTANCE OF 2- AND 4-HYDROXYLATION OF OESTROGENS (CATECHOLOESTROGEN-FORMATION)BALL P; EMONS G; HAUPT O et al.1983; ACTA ENDOCRINOLOGICA (KOBENHAVN); ISSN 0001-5598; DNK; DA. 1983; VOL. 102; NO 1; PP. 150-152; BIBL. 18 REF.Article

Ein neues Filterbandmaterial für die sequentielle Probenahme von Immissionsstäuben und deren nachfolgender Elementanalyse = A new filterband material for the sequential sampling of ambient aerosols with subsequent trace element analysisSTAHLSCHMIDT, T; HAUPT, O; SCHULZ, M et al.Gefahrstoffe Reinhaltung der Luft. 1998, Vol 58, Num 5, pp 199-204, issn 0949-8036Article

Fast determination of trace elements on aerosol-loaded filters by X-ray fluorescence analysis considering the inhomogeneous elemental distributionSTEINHOFF, G; HAUPT, O; DANNECKER, W et al.Fresenius' journal of analytical chemistry. 2000, Vol 366, Num 2, pp 174-177, issn 0937-0633Conference Paper

Modelling the pelagic nitrogen cycle and vertical particle flux in the Norwegian seaHAUPT, O. J; WOLF, U; BODUNGEN, B. V et al.Journal of marine systems. 1999, Vol 19, Num 1-3, pp 173-199, issn 0924-7963Article

Preparation of quartz fibre filter standards for X-ray fluorescence analysis of aerosol samplesHAUPT, O; KLAUE, B; SCHAEFER, C et al.X-ray spectrometry. 1995, Vol 24, Num 5, pp 267-275, issn 0049-8246Article

Online monitoring of aerosols with an energy-dispersive X-ray spectrometerHARMEL, R; HAUPT, O; DANNECKER, W et al.Fresenius' journal of analytical chemistry. 2000, Vol 366, Num 2, pp 178-181, issn 0937-0633Conference Paper

Production of the neurosteroid 3alpha-hydroxy-5alpha-pregnan-20-one in manHIEMKE, C; BANGER, M; KNUPPEN, R et al.Journal of neuroendocrinology. 1991, Vol 3, Num 3, pp 261-265, issn 0953-8194, 5 p.Article

Immunoassay of unconjugated estriol in serum of pregnant women monitored by chemiluminescenceKLINGLER, W; HAUPT, O; POSTEL, G. V et al.Steroids. 1983, Vol 42, Num 2, pp 123-136, issn 0039-128XArticle

A novel radioimmunoasay of allopregnanoloneBICIKOVA, M; LAPCIK, O; HAMPL, R et al.Steroids. 1995, Vol 60, Num 2, pp 210-213, issn 0039-128XArticle

Comparison of two different approaches to calibrate an energy-dispersive x-ray fluorescence spectrometer for the analysis of aerosol-loaded filtersSCHÄFER, C; HAUPT, O; DANNECKER, W et al.Fresenius' journal of analytical chemistry. 1996, Vol 355, Num 3-4, pp 379-381, issn 0937-0633Conference Paper