Titlebook: Chromatography and Isolation of Insect Hormones and Pheromones; A. R. McCaffery,I. D. Wilson Book 1990 Plenum Press, New York 1990 Chromat

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Thin-Layer Chromatography of Ecdysteroids: Detection and Identificationdysteroid analysis are described. In particular, improvements in scanning densitometers and radioactivity detectors have resulted in a versatile, rapid and quantitative technique which complements other chromatographic methods such as gas and high performance liquid chromatography. In addition, the

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mutineer

Selective Separation of 20,22-Dihydroxyecdysteroids from Insect and Plant Material with Immobilizedl properties of ecdysteroids, would be a considerable help in their isolation, identification and quantitative analysis. One possible strategy would be to exploit the presence of vicinal diol systems found in many, if not most ecdysteroids, either at C-2 and C-3, or at C-20 and C-22, or both.

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Isolation and Characterization of a Diuretic Peptide, AP-I, from the Corpora Cardiaca of the House Csilica column packings, revealed a number of peptides which had diuretic activity. One of these peptides, AP-I, was associated with a major peak of UV absorbance. AP-I has been isolated using RP-HPLC, and the purity confirmed using a range of chromatographic procedures including: elution in differen

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Adipokinetic Hormone: Quantification Using High Performance Liquid Chromatography and Radioimmunoaslved in the regulation of carbohydrate metabolism in larval .. We have used reversed-phase high performance liquid chromatography (RP-HPLC) and/or radioimmunoassay (RIA) procedures to quantify the M-AKH content of the corpora cardiaca (CC) and other neural tissues from .. The M-AKH content of . CC w

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小步舞

https://doi.org/10.1007/978-3-030-89929-5es on precocenes conducted so far have not revealed differences that convincingly explain their species selectivity but methods must be found to maintain the bioavailability of parent precocenes to the CA for longer periods, especially in the seemingly insensitive larvae of lepidoptera.

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The Precocene Antijuvenile Hormones (Allatotoxins): A Case History in Insect Toxicologyes on precocenes conducted so far have not revealed differences that convincingly explain their species selectivity but methods must be found to maintain the bioavailability of parent precocenes to the CA for longer periods, especially in the seemingly insensitive larvae of lepidoptera.

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Current Status and Recent Advances in the Chromatography and Mass Spectrometry of Ecdysteroidsr magnetic resonance spectroscopy in the structure elucidation of polar and apolar ecdysteroid conjugates; and (iii) the potential of liquid chromatography-mass spectrometry for the separation and identification of ecdysteroids.

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Thin-Layer Chromatography of Ecdysteroids: Detection and Identificationviability of TLC-mass spectrometry (MS) for ecydsteroids, without prior isolation from the TLC plate, is shown, together with preliminary results for TLC combined with tandem mass-spectrometry (TLC-MS-MS) for studies on phytoecdysteroids.