A DOUBLE-LABELLING RADIOASSAY FOR THE DETERMINATION OF 5'-NUCLEOTIDASE ACTIVITYKLAUSHOFER K; MAYER D; HUMMEL W et al.1979; ENZYME; CHE; DA. 1979; VOL. 24; NO 2; PP. 77-84; BIBL. 43 REF.Article

A NEW PROCEDURE FOR THE STATISTICAL ANALYSIS OF DOUBLE-ISOTOPE INCORPORATION DATA.SMITH KB.1976; ANAL. BIOCHEM.; U.S.A.; DA. 1976; VOL. 76; NO 1; PP. 16-31; BIBL. 15 REF.Article

MICRODETERMINATION OF ADRENOCORTICAL STEROIDS BY DOUBLE ISOTOPE METHOD. IV. DETERMINATION OF CORTICOSTEROIDS IN HUMAN PLACENTA.MATSUMOTO U; KUNUGI A; NAGASE Y et al.1978; CHEM. PHARMAC. BULL.; JPN; DA. 1978; VOL. 26; NO 5; PP. 1473-1479; BIBL. 17 REF.Article

MEASUREMENT OF HISTAMINE: A QUALITY CONTROL STUDYGLEICH GJ; HULL WM.1980; J. ALLERGY CLIN. IMMUNOL.; ISSN 0091-6749; USA; DA. 1980; VOL. 66; NO 4; PP. 295-298; BIBL. 7 REF.Article

DETERMINATION OF (¹⁴C) LEUCINE SPECIFIC RADIOACTIVITY UTILIZING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY TO ISOLATE THE - - LABELED DINITROPHENYL METHYL ESTER.BUMP EA; REED DJ.1977; ANAL. BIOCHEM.; U.S.A.; DA. 1977; VOL. 78; NO 2; PP. 527-534; BIBL. 8 REF.Article

A COMPARATIVE STUDY OF THE UPTAKE IN VITRO OF (³H) THYMIDINE, (¹³¹I) 5-IODO-2'-DEOXYURIDINE AND (³H) DEOXYCYTIDINE IN MOUSE SPLEEN CELLS USING DOUBLE ISOTOPE AUTORADIOGRAPHY.VAN ROOIKEN N.1975; J. IMMUNOL. METHODS; NETHERL.; DA. 1975; VOL. 8; NO 1-2; PP. 151-157; BIBL. 15 REF.Article

A NEW METHOD FOR DETERMINING THE EXTENT OF PROLINE HYDROXYLATION BY MEASURING CHANGES IN THE RATIO OF (4-³H): (¹⁴C) PROLINE IN COLLAGENASE DIGESTSCHOJKIER M; PETERKOFSKY B; BATEMAN J et al.1980; ANAL. BIOCHEM.; ISSN 0003-2697; USA; DA. 1980; VOL. 108; NO 2; PP. 385-393; BIBL. 26 REF.Article

DUAL-ISOTOPE SEPARATION TECHNIQUE FOR RADIOASSAY OF COBALAMINPLACE JF.1979; CLIN. CHIM. ACTA; NLD; DA. 1979; VOL. 91; NO 1; PP. 23-39; BIBL. 7 REF.Article

CHOICE OF PRECURSORS FOR THE MEASUREMENT OF PROTEIN TURNOVER BY THE DOUBLE-ISOTOPE METHOD: APPLICATION TO THE STUDY OF MITOCHONDRIAL PROTEINSBURGESS RJ; WALKER JH; MAYER RJ et al.1978; BIOCHEM. J.; GBR; DA. 1978; VOL. 176; NO 3; PP. 919-926; BIBL. 30 REF.Article

DOUBLE ISOTOPE METHOD FOR THE DETERMINATION OF CATECHOLAMINES, SEROTONIN, AND OTHER AMINES IN THE PICOMOLE RANGE AS THEIR DANSYL DERIVATIVES.RECASENS M; ZWILLER J; MACK G et al.1977; ANAL. BIOCHIM.; U.S.A.; DA. 1977; VOL. 82; NO 1; PP. 8-17; BIBL. 23 REF.Article

A METHOD FOR MEASUREMENT OF THE SPECIFIC RADIOACTIVITY OF THE CHOLINE MOIETY OF CHOLINE PHOSPHOLIPIDS.ROWAN WA JR; HAMMERSTEDT RH.1977; ANAL. BIOCHEM.; U.S.A.; DA. 1977; VOL. 81; NO 1; PP. 175-185; BIBL. 15 REF.Article

INFLUENCE OF ENDOGENOUS S-ADENOSYLMETHIONINE ON THE DETERMINATION OF CATECHOL O-METHYLTRANSFERASE ACTIVITY IN RED BLOOD CELLSHOBERG E; HEMPEL K.1978; CLIN. CHIM. ACTA; NLD; DA. 1978; VOL. 90; NO 2; PP. 107-114; BIBL. 10 REF.Article

DOUBLE-LABELING AND HIGH PRECISION COMPARISON OF COMPLEX PROTEIN PATTERNS ON TWO-DIMENSIONAL POLYACRYLAMIDE GELSCHOO KH; COTTON RGH; DANKS DM et al.1980; ANAL. BIOCHEM.; USA; DA. 1980; VOL. 103; NO 1; PP. 33-38; BIBL. 10 REF.Article

THE SPECIFICITY OF S₁ NUCLEASE TOWARD RNA-DNA HYBRIDS AS STUDIED USING ISOTOPES OF PHOSPHORUS-32 AND PHOSPHORUS-33.WITTELSBERGER SC; HANSEN JN.1977; NUCLEIC ACIDS RES.; G.B.; DA. 1977; VOL. 4; NO 6; PP. 1829-1835; BIBL. 11 REF.Article