GLORIA

GEOMAR Library Ocean Research Information Access

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1990-1994  (9)
  • 1970-1974  (1)
  • 1965-1969  (1)
  • 1960-1964  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Hepatocellular metabolic change after orthotopic liver transplantation in rats (1991)
    Springer
    Surgery today 21 (1991), S. 57-62 
    Details
    ISSN: 1436-2813
    Keywords: orthotopic liver transplantation ; hepatic metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The hepatocellular metabolic change after liver transplantation following 2 hr cold ischemia was investigated. Of 55 orthotopic liver transplantations in male Wistar rats, 47 animals were sacrificed at 3 hr, and 1, 2, 7 and 30 days to determine hepatic metabolite levels, in the form of adenine nucleotides, lactate and glycogen. Using the other 8 recipients, biochemical examinations were done at 1, 3, 5, 7, 30 and 60 days and metabolic levels estimated at 60 days. The SGOT and SGPT levels decreased gradually after a remarkable increase on the first postoperative day, while the alkaline phosphatase level revealed a peak value at 30 days. All levels recovered to within the normal range in 60 days. The total adenine nucleotide level reached the normal range within 3 hr following the blood reflow and remained at a normal level thereafter. However, all the metabolic levels apart from total adenine nucleotides deteriorated to reach their worst level at 7 days. The results of this investigation indicate that the posttransplanted deterioration of metabolic levels were possibly caused by the imperfect oxygenation due to cellular edema after blood reflow. However, the levels of these metabolites recovered within 60 days after transplantation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02470867
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Sulphur- and nitrogen-containing volatile components of kohlrabi (Brassica oleracea var.gongylodes L.) (1992)
    Springer
    European food research and technology 194 (1992), S. 259-262 
    Details
    ISSN: 1438-2385
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Summary Volatiles from the edible part of kohlrabi (Brassica oleracea var.gongylodes) were isolated by means of a dynamic headspace sampling device and separated by capillary gas chromatography. For identification samples were subjected to element-specific detection (Flame photometric and nitrogen-phosphorus detectors) and mass spectral analyses. Major volatile products are: 3-methylthiopropyl, 4-methylthiobutyl and allyl isothiocyanate. The two corresponding organic cyanides 3-methylthiopropyl and 4-methylthiobutyl cyanides and dimethyl, trimethyl and tetramethyl disulphides are also present in higher amounts.n-Nonenal, (E)-2-hexenal, (E,E)-2,4-heptadienal and some isothiocyanates of unknown structure appear in the volatile fraction as minor constituents. The sulphur- and nitrogen-containing components could be related to the enzymic cleavage (myrosinase) of glucosinolates, naturally occurring precursors in brassica plants. Some of the volatile products possess antimicrobial and antithyroid effects and have been identified in different plants of the cruciferae family. The possible role of the isothiocyanates, cyanides, sulphides and aldehydes to the flavour of kohlrabi is discussed.
    Notes: Zusammenfassung Die flüchtigen Inhaltsstoffe des Kohlrabi (Brassica oleracea var.gongylodes L.) wurden mittels der dynamischen Kopfraum-Technik isoliert und anschligßend gaschromatographisch aufgetrennt. Unter Anwendung elementspezifischer Detektoren (FPD, NPD) und Massenspektrometrie erfolgte deren Identifizierung. Zu den Hauptkomponenten gehören: 3-Methylthiopropyl-,4-Methylthiobutyl- und Allyrisothiocyanat. Die beiden korrespondierenden organischen Cyanide 3-Methylthiopropyl- und 4-Methylthiobutyl-cyanid sowie Dimethyldisulfid, Dimethyltrisulfid und Dimethyl-tetrasulfid erscheinen ebenfalls in gröσBeren Mengen. In geringerer Konzentration treten nochn-Nonenal, (E)-2-Hexenal, (E,E)-2,4-Heptadienal und einige Isothiocyanate unbekannter Struktur in den Extrakten auf. Die schwefel- und stickstoffhaltigen Komponenten sind auf die enzymatische Spaltung (Myrosinase) der inBrassica-Arten vorhandenen Glucosinolate zurückzuführen. Einige der identifizierten Stoffe zeigen antimikrobielle und antithyroide Eigenschaften und wurden in verschiedenen Cruziferenarten nachgewiesen. Die mögliche Bedeutung der Isothiocyanate, Cyanide, Sulfide und Aldehyde für das Kohlrabiaroma wird diskutiert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01198418
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    PCR cloning and expression analysis of cDNAs encoding cysteine proteinases from germinating seeds of Vicia sativa L. (1994)
    Springer
    Plant molecular biology 26 (1994), S. 1207-1212 
    Details
    ISSN: 1573-5028
    Keywords: cysteine proteinase ; cDNA ; Vicia sativa L.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract cDNA clones encoding cysteine proteinases from cotyledons of germinated seeds of Vicia sativa L. have been obtained by means of PCR. Degenerate oligonucleotide primers were designed according to conserved amino acid regions of known cysteine proteinases. The deduced amino acid sequences of the cDNA clones encoding VSCYSPR1 and VSCYSPR2 display strong homology to cysteine proteinases of the so called papain superfamily. Northern analyses revealed developmentally regulated expression of both the mRNAs in germinating seeds. The transcripts were shown to be products of two distinct single genes, each exhibiting structural polymorphisms as exposed in few nucleotide substitutions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00040701
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Correction of aerosol influence in Landsat 5 Thematic Mapper data (1994)
    Springer
    GeoJournal 32 (1994), S. 61-70 
    Details
    ISSN: 1572-9893
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Notes: Abstract The influence of aerosols in the visible and near infrared part of the electromagnetic spectrum was studied by simulations of Landsat 5 Thematic Mapper measurements. The radiative transfer model used is based on the matrix-operator-method and was applied to different surface types, represented by specific spectral albedo values. On the basis of a single scattering approach for atmospheric correction, an algorithm was developed to correct for the influences of aerosols, air molecules and athmospheric trace gases on Thematic Mapper measurements above land surfaces using additional measurements above nearby located ocean surfaces to estimate the optical properties. The optical thickness of a cloud-free atmosphere has therefore been varied in the model for different aerosol types and surface reflectances.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00806358
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Zur Umsetzung von Phosphor-Tetrachlorkohlenstoff-Suspensionen mit Sauerstoff (1970)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 378 (1970), S. 37-48 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Colourless phosphorus is volatile with CCl4 vapour. In the presence of oxygen, phosphorus vapour in gaseous CCl4 is only oxidised to a negligible extent. Quenching of phosphorus/CCl4 vapour mixture results in the formation of conglomerates of colourless phosphorus having molar masses up to 8200 (≙ 66 P4 molecules). Such conglomerates are oxidised by oxygen. The oxidation products exhibit an atomic ration P : 0 ≍ 2 : 3 being, however, no polymeric forms of P4O6 (as supposed by BLASER), but probably polymeric cross  -  linked mixed oxides with a statistical oxygen distribution.
    Notes: Farbloser Phosphor ist mit Tetrachlorkohlenstoff dampfflüchtig. Mit Sauerstoff erfolgt in Gegenwart von Tetrachlorkohlenstoffdampf nur eine unwesentliche Oxydation des Phosphordampfes. Beim Abschrecken des Dampfgemisches bilden sich Konglomerate von farblosem Phosphor entsprechend mittleren Teilchengewichten bis zu 8200. Solche Konglomerate werden durch Sauerstoff oxydiert, Die Oxydationsprodukte zeigen ein Phosphor-Sauerstoffverhältnis von ca. 2 : 3. Sie sind nicht, wie BLASER annahm, Polymere des Phosphor(III)-oxid, P4O6, sondern stellen wahrscheinlich polymere, vernetzte Mischoxide mit statistischer Sauerstoffverteilung dar.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19703780105
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Untersuchungen an Stickstoff-Chlor-Verbindungen. III. Chloramin und die Raschig-Synthese des Hydrazins  -  eine kritische Zusammenfassung im Hinblick auf die intermediäre Bildung von Stickstoffmonohydrid (1961)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 313 (1961), S. 14-36 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: During the last fifty years the chemistry of chloroamine has been developed intensively. Many mechanisms for the reaction between chloroamine and ammonia have been forwarded and discarded again. Today, two mechanisms are discussed which so far both cannot be discarded: The SN2-mechanism and the mechanism including nitrogen monohydride as an intermediate. Nitrogen monohydride, prepared hitherto from hydrogen azide, ammonia, and hydrazine can be isolated at lower temperatures in probably oligomeric state.
    Notes: Nach über einem halben Jahrhundert intensiver Entwicklung der Chloraminchemie und nach Aufstellung und Widerlegung vieler Mechanismen für die Chloramin-Ammoniak Reaktion stehen sich heute zwei Mechanismen gegenüber, die beide durch die bisherigen Experimente nicht zu entkräften sind: Der SN2-Mechanismus und der Mechanismus über Stickstoffmonohydrid als Zwischenprodukt. Stickstoffmonohydrid läßt sich bisher aus Hydrogenazid, Ammoniak und Hydrazin erhalten und bei tiefen Temperaturen in wahrscheinlich oligomerem Zustand ausfrieren.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19613130103
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Untersuchungen an Stickstoff-Chlor-Verbindungen. V. Infrarot- und RAMAN-Spektren von StickstofftrichloridProfessor Günther Rienäcker zum 65. Geburtstage am 13. Mai 1969 gewidmet (1969)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 366 (1969), S. 169-179 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Infrared and RAMAN spectra of 14NCl3 and 15NCl3 dissolved in CCl4 or n-Hexane have been investigated in the region 4000 to 200 cm-1. Assuming C3v symmetry, force constants for the nitrogen trichloride molecule are calculated using the WILSON FG-Matrix method.
    Notes: Die Infrarotspektren von 14NCl3 und 15NCl3, gelöst in CCl4 bzw. n-Hexan, wurden im Bereich zwischen 4 000 und 200 cm-1 aufgenommen. RAMAN-Spektren beider Verbindungen in CCl4 wurden mit Hilfe eines Laser-RAMAN-Gerätes (Erregerfrequenz 5145 Å) registriert. Unter Annahme eines plausiblen Molekülmodelles der Symmetrie C3v wurde mit Hilfe der WILSONschen FG-Matrix-Methode ein vollständiger Satz von Kraftkonstanten (General Valence Force Field) berechnet.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19693660308
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Untersuchungen an Stickstoff-Chlor-Verbindungen. Stickstoffmonohydrid als Zwischenprodukt der Chloraminzersetzung (1961)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 313 (1961), S. 37-47 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: According to the method of Rice, Freamo, and Grelecki solid chloroamine has been decomposed at -190 °C by ultraviolet irradiation. The blue product formed is stable below -150 °C; it is already known from the analogous decomposition of hydrogen azide, and its formation can be understood only by the primary formation of nitrogen monohydride.  -  This result is supported by the identification of hydrogen cyanate during the thermal decomposition of gaseous chloroamine in the presence of carbon mon oxide (5 to 10 Torr, 500 °C). Under the same conditions, hydrazine too produces hydrogen cyanate.  -  Considering the result of Wannagat and Kohnen, who showed nitrogen monohydride and ammonia to form hydrazine, it follows that it is possible to synthesize hydrazine from chloroamine and ammonia via nitrogen monohydride as an intermediate.
    Notes: In Anlehnung an die Methodik von Rice, Freamo und Grelecki wurde festes Chloramin bei -190 °C durch ultraviolette Strahlung zersetzt. Das entstehende blaue Produkt, beständig unterhalb -150 °C, ist bereits durch die entsprechende Zersetzung des Hydrogenazids bekannt; seine Bildung ist nur durch primäres Auftreten von Stickstoffmonohydrid zu erklären.  -  Dieses Ergebnis wird durch den Nachweis von Hydrogencyanat im Anschluß an die thermische Zersetzung gasförmigen Chloramins in Gegenwart von Kohlenmonoxid (5 bis 10 Torr, 500 °C) bekräftigt. Auch Hydrazin liefert unter diesen Bedingungen Hydrogencyanat.  -  Unter Berücksichtigung des Befundes von Wannagat und Kohnen, daß Stickstoffmonohydrid mit Ammoniak zu Hydrazin reagieren kann, folgt, daß es ein experimentell gangbarer Weg ist, Hydrazin aus Chloramin und Ammoniak über Stickstoffmonohydrid als Zwischenprodukt zu synthetisieren.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19613130104
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    facet.materialart.
    Unknown
    On mean and seasonal currents and transports at the western boundary of the equatorial Atlantic (1993)
    AGU (American Geophysical Union)
    In:  Journal of Geophysical Research: Oceans, 98 (C8). p. 14353.
    Details
    Publication Date: 2018-01-22
    Description: Current measurements from two consecutive yearlong deployments of three moored stations at the western end of the equator in the Atlantic, along 44°W, are used to determine the northwestward flow of warm water in the upper several 100 m and of the southeastward counterflow of North Atlantic Deep Water (NADW). Measurements from three acoustic Doppler current profilers (ADCPs) looking upward from 300 m toward the surface allowed calculation of a time series of upper layer transports over 1 year. Mean transport through the array for the upper 300 m is 23.8 Sv with an annual cycle of only ±3 Sv that has its maximum in June-August and minimum in northern spring. Estimated additional mean northwestward transport in the range 300–600 m is 6.7 Sv, based on moored data and shipboard Pegasus and lowered ADCP profiling. In the depth range 1400–3100 m a current core with maximum annual mean southeastward speed of 30 cm s−1 is found along the continental slope that carries an estimated upper NADW transport of 14.2–17.3 Sv, depending on the extrapolation used between the mooring in the core and the continental slope. This transport is higher than off-equatorial estimates and suggests near-equatorial recirculation at the upper NADW level, in agreement with northwestward mean flow found about 140 km offshore. Below 3100 m and above the 1.8°C isotherm, only a small core of lower NADW flow with speeds of 10–15 cm s−1 is found over the flat part of the basin near 1.5°N, clearly separated from the continental slope by a zone of near-zero mean speeds. Estimated transport of that small current core is about 4.5 Sv, which is significantly below other estimates of near-equatorial transport of lower NADW and suggests that a major fraction of lower NADW may cross the 44°W meridian north of the Ceara Rise. Intraseasonal variability is large, although smaller than observed at 8°N near the western boundary. It occurs at a period of about 1 month when it is dominant in the near-surface records and corresponds to earlier observations in the equatorial zones of all oceans and at a period of about 2 months when it is dominant at the NADW level and could be imported either from the north along the boundary or from the east along the equator. The existence of an annual cycle in the deep currents of a few centimeters per second amplitude, as suggested by high-resolution numerical model results, could neither be proven nor disproven because of the high amount of shorter-period variability.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/93JC01287
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 10
    facet.materialart.
    Unknown
    Currents and transports of the Monsoon Current south of Sri Lanka (1994)
    AGU (American Geophysical Union)
    In:  Journal of Geophysical Research: Oceans, 99 (C12). p. 25127.
    Details
    Publication Date: 2018-06-15
    Description: The zonal monsoon circulation south of India/Sri Lanka is a crucial link for the exchange between the northeastern and the northwestern Indian Ocean. The first direct measurements from moored stations and shipboard profiling on the seasonal and shorter‐period variability of this flow are presented here. Of the three moorings deployed from January 1991 to February 1992 along 80°30′E between 4°11′N and 5°39′N, the outer two were equipped with upward looking acoustic Doppler current profilers (ADCPs) at 260‐m depth. The moored and shipboard ADCP measurements revealed a very shallow structure of the near‐surface flow, which was mostly confined to the top 100 m and required extrapolation of moored current shears toward the surface for transport calculations. During the winter monsoon, the westward flowing Northeast Monsoon Current (NMC) carried a mean transport of about 12 Sv in early 1991 and 10 Sv in early 1992. During the summer monsoon, transports in the eastward Southwest Monsoon Current (SMC) were about 8 Sv for the region north of 3°45′N, but the current might have extended further south, to 2°N, which would increase the total SMC transport to about 15 Sv. The circulation during the summer was sometimes found to be more complicated, with the SMC occasionally being separated from the Sri Lankan coast by a band of westward flowing low‐salinity water originating in the Bay of Bengal. The annual‐mean flow past Sri Lanka was weakly westward with a transport of only 2–3 Sv. Using seasonal‐mean ship drift currents for surface values in the transport calculations yielded rather similar results to upward extrapolation of the moored profiles. The observations are compared with output of recent numerical models of the Indian Ocean circulation, which generally show the origin of the zonal flow past India/Sri Lanka to be at low latitudes and driven by the large‐scale tropical wind field. Superimposed on this zonal circulation is local communication along the coast between the Bay of Bengal and the Arabian Sea
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/94JC02216
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    OceanRep: Article in a Scientific Journal - peer-reviewed
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...