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  • Crustaceans  (1)
  • Pacaya  (1)
  • Phospholipase A"2  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism 619 (1980), S. 640-649 
    ISSN: 0005-2760
    Schlagwort(e): (Agkistrodon halys blomhoffii) ; Ca^2^+-induced heat stability ; Phospholipase A"2 ; Snake uenom
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Bulletin of volcanology 55 (1993), S. 379-388 
    ISSN: 1432-0819
    Schlagwort(e): Sulfur dioxide ; COSPEC ; Santiaguito ; Fuego ; Pacaya ; Guatemala ; magmatic processes
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie
    Notizen: Abstract Measurements of the sulfur dioxide (SO2) emission rate from three Guatemalan volcanoes provide data which are consistent with theoretical and laboratory studies of eruptive and shallow magma chamber processes. In particular, unerupted magma makes a major contribution to the measured SO2 emission rates at Santiaguito, a continuously erupting dacitic volcanic dome. Varying shallow magma convection rates can explain the variations in SO2 emission rates at Santiaguito. At Fuego, a basaltic volcano currently in repose, SO2 emission rate measurements are consistent with a high level magma body that is crystallizing and releasing volatiles. At Pacaya, a continuously erupting basaltic volcano, recent SO2 emission rate measurements support laboratory simulation studies of strombolian eruptions; these studies indicate that the majority of gas escapes during eruptions and little gas escapes between eruptions. Average SO2 emission rates over the last 20 years for Santiaguito, Fuego and Pacaya are 80, 160 and 260 Mg/d, respectively. On a global scale, these three volcanoes account for 1% of the annual global volcanic output of SO2. Santiaguito and Pacaya, together, emit 6% of the total annual SO2 emitted by continuously erupting volcanoes. Even though SO2 measurements at these volcanoes have been made infrequently and by different investigators, the collective data help to establish a useful baseline by which to judge future changes. A more complete record of SO2 emission rates from these volcanoes could lead to a better understanding of their eruption mechanisms and reduce the impact of their future eruptions on Guatemalan society.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    Publikationsdatum: 2021-05-19
    Beschreibung: Las tripsinas son las principales peptidasas digestivas de crustáceos. En los últimos años se han producido revisiones sobre las tripsinas de invertebrados, así como de crustáceos, e incluso de las presentes en determinada especie de crustáceo. Sin embargo, los aspectos relacionados con la purificación de estas enzimas (y sus isoformas) no se han abordado en estas revisiones. En la presente revisión se exponen los procedimientos más empleados en la purificación de tripsinas de crustáceos, las dificultades en la separación de isoformas, y se discuten las experiencias de los autores en la purificación de isoformas de tripsina en la langosta espinosa Panulirus argus, las cuales pudieran ser de interés para los que se inicien en el campo de la purificación de enzimas tipo tripsina de crustáceos. Se excluyen los aspectos básicos relacionados con los principios de cada método y con la purificación de proteínas en general, los cuales pueden ser encontrados en la vasta literatura publicada tanto en revisiones como en libros especializados.
    Beschreibung: Trypsins are the main digestive proteinases in crustaceans. Some reviews have been published on the trypsin enzymes in invertebrates and particularly for crustaceans only few species have been analyzed. However, these reviews have not included the purification of the enzymes and their isoforms. The most employed procedures for the purification of crustacean trypsins are appraised in the present work, as well as the difficulties to separate the different isoforms. We discuss our own experience on the purification of the spiny lobster Panulirus argus trypsins. Aspects related with the principles of each method and the purification of proteins in general were omitted since they can be found in many published reviews and books.
    Beschreibung: Published
    Beschreibung: Chromatography, Isoforms, Isozyms, Purification,Trypsins
    Schlagwort(e): Crustaceans
    Repository-Name: AquaDocs
    Materialart: Journal Contribution , Refereed , Article
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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