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Your search keyword '"M. S. du Toit"' showing total 9 results
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9 results on '"M. S. du Toit"'

1. Elektrometric

Author

W. Kordatzki, J. L. R. Morgan, O. M. Lammert, Margaret A. Campbell, J. G. Davis, S. A. Strelkow, K. Sandera, J. C. Bugher, E. P. Laug, A. Mac Farlane, I. I. Shukow, J. G. Worochobin, E. Biilmann, H. Katagiri, A. Itano, S. Arakawa, G. M. Moir, V. Morani, F. Grossman, D. A. Mac Innes, D. Belcher, M. Dole, B. Elema, G. Buchböck, G. B. Harrison, D. H. Cameron, R. Nordbø, F. Rosebury, W. C. Stadie, W. Selke, A. S. McFarlane, H. Thiele, P. Wulff, W. Kordatzky, H. Th. St. Britton, R. A. Robinson, E. B. R. Prideaux, A. Th. Ward, M. S. du Toit, E. Vellinger, T. Uemura, H. Sueda, R. J. Fosbinder, J. A. Boltunow, I. M. Robertson, A. M. Smith, F. Saunders, L. Smolik, H. Winterstein, W. Laubender, L. W. Elder, R. Kuhn, J. M. Kolthoff, M. Lemoigne, and R. Chaminade

Subjects
Clinical Biochemistry, General Materials Science, General Medicine, Analytical Chemistry
Published
1934
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4. Studies on the Carbon and Nitrogen Cycles in the Soil. III. The Formation of Natural Humic Matter

Author

H. J. Page and M. M. S. Du Toit

Subjects
chemistry.chemical_compound, chemistry, Soil organic matter, Environmental chemistry, Inorganic chemistry, Genetics, chemistry.chemical_element, Lignin, Animal Science and Zoology, Agronomy and Crop Science, Carbon, Decomposition, Nitrogen cycle
Abstract

Experiments are described in which the decomposition of various plant materials and of purified preparations of plant constituents, during rotting under neutral aerobic conditions in the presence of soil organisms, has been studied in relation to the formation of humic matter.The formation of humic matter was more closely related to the change in the lignin content than to the change in content of the other groups of plant constituents estimated.

Published
1930
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5. Infection by TRIC agent and other members of the Bedsonia group; with a note on Reiter's disease. II. Ophthalmia neonatorum due to TRIC agent

Author

A, Freedman, M K, al-Hussaini, M C, Dunlop, M H, Emarah, J A, Garland, I A, Harper, B R, Jones, J W, Race, M S, Du Toit, J D, Treharne, and D J, Wright

Subjects
Male, Trachoma, Sulfonamides, Infant, Newborn, Infant, Neomycin, Tetracycline, Conjunctivitis, Vulvovaginitis, Ophthalmia Neonatorum, Streptomycin, Humans, Female, Chlamydia
Published
1966

6. Infection by TRIC agent and other members of the Bedsonia group; with a note on Reiter's disease. I. Ocular disease in the adult

Author

B R, Jones, M K, al-Hussaina, E M, Dunlop, M H, Emarah, A, Freedman, J A, Garland, I A, Harper, J W, Race, M S, Du Toit, and J D, Treharne

Subjects
Adult, Male, Trachoma, Adolescent, Infant, Newborn, Keratoconjunctivitis, Conjunctivitis, Inclusion, Middle Aged, Arthritis, Reactive, Ophthalmia Neonatorum, Lymphadenitis, Child, Preschool, Humans, Female, Chlamydia, Joint Diseases, Respiratory Tract Infections, Aged
Published
1966

7. Infection by TRIC agent and other members of the Bedsonia group; with a note on Reiter's disease. 3. Genital infection and disease of the eye

Author

E M, Dunlop, M K, al-Hussaini, A, Freedman, J A, Garland, I A, Harper, B R, Jones, J W, Race, M S, Du Toit, J D, Treharne, and D J, Wright

Subjects
Adult, Male, Trachoma, Adolescent, Urethritis, Infant, Newborn, Keratoconjunctivitis, Infant, Conjunctivitis, Inclusion, Vulvovaginitis, Arthritis, Reactive, Ophthalmia Neonatorum, Salpingitis, Uterine Cervical Diseases, Humans, Female, Proctitis, Syphilis, Chlamydia, Genital Diseases, Male, Trichomonas Vaginitis, Genital Diseases, Female
Published
1966

8. Infection by TRIC agent and other members of the Bedsonia group; with a note on Reiter's disease. 4. Laboratory aspects

Author

I A, Harper, M K, al-Hussaini, E M, Dunlop, M H, Emarah, A, Freedman, J A, Garland, B R, Jones, J W, Race, M S, Du Toit, J D, Treharne, and D J, Wright

Subjects
Male, Trachoma, Microscopy, Urethritis, Culture, Keratoconjunctivitis, Fluorescent Antibody Technique, Conjunctivitis, Inclusion, Arthritis, Reactive, Ophthalmia Neonatorum, Humans, Female, Joints, Chlamydia, Genital Diseases, Male, Genital Diseases, Female
Published
1966

9. Studies on the carbon and nitrogen cycles in the soil. IV. Natural and artificial humic acids

Author

M. M. S. Du Toit and H. J. Page

Subjects
integumentary system, Chemistry, Genetics, chemistry.chemical_element, Organic chemistry, Animal Science and Zoology, complex mixtures, Agronomy and Crop Science, Carbon, Nitrogen cycle, Natural (archaeology)
Abstract

The preparation of natural humic acids from soil, peat (Dopplerite) and “Adco,” and of artificial “humic” acids from sucrose, cellulose, dextrose and glycine (Maillard), furfural, hydroquinone and lignin, and their purification is described.Their elementary composition and their behaviour under conductometric titration with ammonia have been studied. The artificial products from sucrose and furfural did not behave as acids, but all the natural products, and the artificial products from cellulose, hydroquinone and lignin possessed the properties of colloidal acids.Preliminary investigations into the “humification” of furfural and ω-hydroxymethyl furfural, and into the interaction of dextrose with amino bodies, are described.

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