Authors: JAHNEL JB ILIEVA P FRIMMEL FH

Citation: Jb. Jahnel et al., HPAE-PAD - A SENSITIVE METHOD FOR THE DETERMINATION OF CARBOHYDRATES, Fresenius' journal of analytical chemistry, 360(7-8), 1998, pp. 827-829

Authors: JAHNEL JB FRIMMEL FH

Citation: Jb. Jahnel et Fh. Frimmel, DETECTION OF GLUCOSAMINE IN THE ACID-HYDROLYSIS SOLUTION OF HUMIC SUBSTANCES, Fresenius' journal of analytical chemistry, 354(7-8), 1996, pp. 886-888

Authors: JAHNEL JB FRIMMEL FH

Citation: Jb. Jahnel et Fh. Frimmel, ENZYMATIC RELEASE OF AMINO-ACIDS FROM DIFFERENT HUMIC SUBSTANCES, Acta hydrochimica et hydrobiologica, 23(1), 1995, pp. 31-35

Authors: JAHNEL JB MAHLICH B FRIMMEL FH

Citation: Jb. Jahnel et al., INFLUENCE OF HUMIC SUBSTANCES ON THE ACTI VITY OF A PROTEASE, Acta hydrochimica et hydrobiologica, 22(3), 1994, pp. 109-116

Authors: JAHNEL JB FRIMMEL FH

Citation: Jb. Jahnel et Fh. Frimmel, COMPARISON OF THE ENZYME-INHIBITION EFFECT OF DIFFERENT HUMIC SUBSTANCES IN AQUEOUS-SOLUTIONS, Chemical engineering and processing, 33(5), 1994, pp. 325-330

Authors: JAHNEL JB SCHMIEDEL U ABBTBRAUN G FRIMMEL FH

Citation: Jb. Jahnel et al., ENZYMATIC CHARACTERIZATION OF HUMIC SUBSTANCES, Acta hydrochimica et hydrobiologica, 21(1), 1993, pp. 43-50