H. Emmerich

Publications20
h-index10
Citations427
Highly Influential Citations4
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A radioimmunoassay for arthropod moulting hormones, introducing a novel method of immunogen coupling.
Inokosteron-26-oic acid was coupled to thyroglobulin in aqueous pyridine by a water-soluble carbodiimide. After exhaustive dialysis and gel filtration on Sephadex G-25 in the presence of sodium… Expand
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Biosynthesis of ecdysones in isolated prothoracic glands and oenocytes of Tenebrio molitor in vitro.
Abstract Isolated prothoracic glands from Tenebrio larvae synthesize in vitro α-ecdysone, but not β-ecdysone from 4-14C-cholesterol. Isolated abdominal oenocytes from the larvae synthesize mainly… Expand
  • 141
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Developmental studies on two ecdysone deficient mutants ofDrosophila melanogaster
SummaryThis paper describes two ecdysone-deficient, recessive-lethal mutants,lethal(1)giant ring gland (grg) andlethal(1)suppressor of forkedmad-ts (mad-ts: Jürgens and Gateff 1979) and compares… Expand
  • 20
  • 1
Ecdysone binding proteins in nuclei and chromatin from Drosophila salivary glands.
  • H. Emmerich
  • Biology, Medicine
  • General and comparative endocrinology
  • 1 December 1972
Abstract After treatment of salivary glands isolated from Drosophila hydei with tritiumlabeled eedysone, complexes of the radioactive hormone and protein(s) can be isolated. Fractions containing… Expand
  • 35
High-affinity binding sites for juvenile hormone I in the larval integument of Drosophila hydei
Insect juvenile hormones (JH) maintain larval characteristics of insects during growth and development. At high JH titres the larval hypodermis is programmed to secrete larval cuticle in the… Expand
  • 34
Catalytical oxidation of ecdysteroids to 3-dehydro products and their biological activities.
Abstract Oxidation of ecdysone and ecdysterone with platinum as catalyst gives rise to several polar and 4–5 apolar substances, among them 3-dehydroecdysone and 3-dehydroecdysterone. Highest yields… Expand
  • 34
Excretion of juvenile hormone and its metabolites in the locust, Locusta migratoria.
Racemic synthetic 3HC18 juvenile hormone, dissolved in paraffin oil, was injected into adult Locusta migratoria and the excreted radioactive material in the faeces was determined. Within 48 hr… Expand
  • 36
Juvenile hormone binding proteins in the haemolymph of third instar larvae of Drosophila hydei
Abstract Juvenile hormone I (JH I) is bound in vitro by two protein fractions in the haemolymph of mid-third instar larvae of Drosophila hydei. These binding proteins were characterized by gel… Expand
  • 19
Notizen: Effect of Farnesyl Methyl Ether on Reproductive Physiology in the Cockroach, Byrsotria fumigata (Guérin)
  • H. Emmerich, R. Barth
  • Chemistry, Medicine
  • Zeitschrift fur Naturforschung. Teil B, Chemie…
  • 1 July 1968
  • 14
The effect of orienting activity on memory for pictures and words in children and adults.
Abstract Second and fifth grade children and adults were shown either pictures or words to study, and were tested with both pictures and words in a forced-choice recognition task. Prior to… Expand
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