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Title of Journal: Chem Nat Compd

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Abbravation: Chemistry of Natural Compounds

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Kluwer Academic Publishers-Plenum Publishers

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DOI

10.1016/0309-1740(86)90017-3

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ISSN

1573-8388

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Automation of the optimization of the separation o

Authors: V K Rybin N N Yaglitskaya A D Lazarev N V Makarov
Publish Date: 1990/09/01
Volume: 26, Issue: 5, Pages: 565-569
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Abstract

An automatic system for optimizing the conditions for the chromatographic separation of protamines has been developed using Nelder and Meads modified simplex method It is proposed to use penalty functions in order to take into account nonrigid constraints on the parameters to be optimized The optimum conditions for the separation of the protamines from sturgeon gonads have been determined It has been established that the greatest influence on the separation of the protamines is exerted by the concentration of the ionpair reagent — trifluoroacetic acid The system described permits the optimization of any chromatographic separations and the determinations to be performed thanks to the application of penalty functions to the optimization parameter

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  1. Indole alkaloids from the roots of Isatis ingigotica and their antiherpes simplex virus type 2 (HSV-2) activity in vitro
  2. A study of the properties and 13 C NMR spectra of pinifolic acid and its derivatives
  3. Quinoid pigments of echinodermata V. Pigments of the sea urchin Strongy locentrotus dröebachiensis
  4. Composition of the essential oil of Larix sibirica
  5. A New Cyclic Peptide from Bulbs of Fritillaria hupehensis
  6. Chemical synthesis and enzymatic assembly of fragments of the DNA coding immunodominant epitopes of human immunodeficiency virus
  7. Extraction of the total alkaloids from the epigeal part of Aconitum orientale
  8. Use of the method of metastable defocusing for the analysis of the processes involved in the fragmentation of lycoctonine bases
  9. Chemical Constituents of Cinnamomum rupestre and Cinnamomum nanophyllum
  10. The use of the intramolecular nuclear Overhauser effect to establish the positions of substituents in the aromatic nuclei of the alkaloids majoridine and O-acetyl-N-methyllochnerine
  11. Chemical composition of the essential oils of mongolian wormwoods Artemisia xerophytica and A. xantaphora
  12. Effect of polyhydroxysteroids from starfish and brittle stars on the activity of β-1,3-glucanases
  13. Evaluation of vinasses from sugarcane molasses distillation as a new source of sugarcane wax
  14. Phenolic Compounds from Roots of Lupinus polyphyllus
  15. Preparation of (2′-5′)-oligonucleotides based on 6- N -benzylaminopurineriboside using the Spicaria violacea fungal enzyme complex
  16. Rapid isocratic HPLC analysis of caffeic acid derivatives from Echinacea purpurea cultivated in Iran
  17. Isolation and Identification of Radical Scavenging Components of Seeds of Desmodium styracifolium
  18. Synthesis of actiphenol and its normethyl analogues and 6-hydroxy derivatives
  19. General characteristics of immunomodulator bioglycans from invertebrates of the sea of Japan
  20. Modifying Effect of Betulinol on Carbon Sorbents Produced from Betula birch Wood
  21. A new arylsulfatase from the marine mollusk Turbo chrysostomus
  22. Isolation and identification of furanocoumarins and a phenylpropanoid from the acetone extract and identification of volatile constituents from the essential oil of Peucedanum pastinacifolium
  23. A New Diterpene Isolated from the Resin of Hymenaea Courbaril
  24. DNA-protector and cytotoxic activity of secoisolariciresinol diglucoside derivatives
  25. Biological and phytochemical investigations on Ajania fruticulosa
  26. Two new ceramides from Zephyranthes candida
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  28. Avarol and isoavarol from a Pacific Ocean sponge Dysidea sp.
  29. Protease A from cotton seeds. Isolation and purification of the enzyme
  30. Synthetic and modified isoflavonoids. II. Synthesis of new 2,6-dialkyl-substituted analogues of pseudobaptigenin
  31. Composition of the essential oil of Adiantum flabellulatum
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  33. Berberis alkaloids XXXII. Berberal — A new alkaloid from Berberis heterobotrys
  34. New oligomeric proanthocyanidin glycosides platanoside-A and platanoside-B from Platanus orientalis trunk bark
  35. Chemical investigation of Hippophaë rhamnoides . I. The main components of the unsaponifiable part of an extract of the fruit pulp
  36. Chemical investigation of Hippophaë rhamnoides . I. The main components of the unsaponifiable part of an extract of the fruit pulp
  37. A new butanolide from the leaves of Cinnamomum reticulatum
  38. Some Biological Compounds, Antioxidant and Antimicrobial Activities of Endemic Hypericum uniglandulosum
  39. Chemical constituents from Verbena officinalis
  40. Conjugates of Polyguluronic and Polymannuronic Acids with 4-Aminoantipyrine. Determination Using 1 H– 13 C HSQC Spectra of Triad Units and Their Distribution in the Polysaccharide Chain
  41. Synthesis and anti-HIV activity of triterpene 3- O -galactopyranosides, analogs of glycyrrhizic acid
  42. Structure of the alkaloids of Aerva lanata
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  44. Isolation and study of proteinases from the milky juice of Carica papaya grown under hothouse conditions in Uzbekistan
  45. Compactin — A new orobol bioside from Genista compacta
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  47. Fatty acid composition of Prosopis cineraria seeds
  48. Proteins responsible for seed pubescence of cotton genetic lines
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  51. Synthesis and biological activity of aminoacyl phenothiazine derivatives based on the alkaloids cytisine, anabasine, and d -pseudoephedrine
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  55. Flavonoids and anthocyans from Alhagi pseudoalhagi
  56. Volatiles in flowers of Viburnum odoratissimum
  57. Terpenoids of Pinus funebris
  58. Fatty Acid and Metal Composition of the Seeds of Vicia ervilia Varieties from Turkey
  59. Volatile Constituents of Senecio tenuifolius From India
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