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  • Inorganic Chemistry  (6)
  • 24-h blood pressure monitoring
  • Adenosine deaminase deficiency
  • Apparat
  • 1985-1989  (5)
  • 1970-1974  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Diurnal variations of blood pressure in shift workers during day and night shifts (1989)
    Springer
    International archives of occupational and environmental health 61 (1989), S. 463-466 
    Details
    ISSN: 1432-1246
    Keywords: Shift work ; Night shift ; Blood pressure ; 24-h blood pressure monitoring ; Circadian rhythm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The dependence of blood pressure upon internal rhythms and the short-term effects of shift rota on the blood pressure were investigated in shift workers. Blood pressure was measured every 30 min using automatic recorders for 24 h in 17 physically working men in a chemical factory during their morning and night shifts. Mean 24-h blood pressures were identical in the morning and night shifts. There were no differences of the mean blood pressure between the respective sleeping phases or between the working periods. The amplitudes of circadian blood pressure variations were equal. There was a phase difference of 8 h corresponding to the lag between the working periods. At this 8-h lag the hourly means of the 24-h blood pressure were closely correlated (r = 0.69). Comparisons of 24-h blood pressure profiles during the first and last days of a night shift week showed that the effects of night work on the blood pressure were already fully developed within the first 24h (r = 0.86). Thus the diurnal variations of the blood pressure are determined by the working and sleeping periods and largely independent of endogenous rhythm. There is no short-term alteration of the mean 24-h blood pressure after shift rota.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00386480
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  • 2
    Electronic Resource
    Electronic Resource
    HLA-haploidentical bone marrow transplantation in three infants with adenosine deaminase deficiency: Stable immunological reconstitution and reversal of skeletal abnormalities (1989)
    Springer
    European journal of pediatrics 149 (1989), S. 104-109 
    Details
    ISSN: 1432-1076
    Keywords: Adenosine deaminase deficiency ; HLA-haploidentical bone marrow transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Three infants with severe combined immunodeficiency and adenosine deaminase (ADA) deficiency were treated by T-cell depleted bone marrow transplantation (BMT), using human leukocyte antigen (HLA)-haploidentical parents as donors. In the first patient, two initial transplants failed to engraft and no change of the immunodeficiency was observed. In order to overcome this graft resistance, cytoreductive conditioning was used prior to a third transplant. In the other two patients, similar conditioning was used prior to initial transplants. In all three patients, complete and permanent immunological reconstitution was observed and they survive from 3.5 to 5 years after transplantation. In biopsies obtained from iliac bones prior to BMT, osteochondral abnormalities characteristic of ADA-deficiency were noted in all three patients. After successful transplantation, these abnormalities had completely resolved. Our results demonstrate that cytoreductive conditioning prior to HLA-haploidentical BMT is useful in order to obtain stable engraftment and reversal of abnormalities associated with ADA deficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01995857
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  • 3
    Electronic Resource
    Electronic Resource
    Synthese von [2]-Catenanen aus [2]-Rotaxanen (1988)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 121 (1988), S. 961-970 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis of [2]-Catenanes from [2]-RotaxanesStarting from the rotaxane 18a a mixture of catenane 21 and rotaxane 23 is obtained by attaching a polymethylene bridge between the methylene groups in α-position of the sulfonyl groups. The isocyclic catenane 28 containing a 28- and a 46-membered ring is obtained from the catenane 21 by splitting the bonds between the bridgehead atoms and the sulfonyl groups. The 1H-, 13C-NMR, and mass spectra of this compounds are discussed.
    Notes: Ausgehend von dem Rotaxan 18a wird durch Angliederung einer Polymethylenbrücke zwischen den beiden zu den Sulfonylgruppen α-ständigen Methylengruppen ein Gemisch von Catenan 21 und Rotaxan 23 synthetisiert. Aus 21 wird nach Spaltung der Bindungen zwischen den Brückenkopfatomen und den Sulfonylgruppen das isocyclische Catenan 28, bestehend aus einem 28-und einem 46-gliedrigen Ring, erhalten. Die 1H-, 13C-NMR-Spektren und Massenspektren dieser Verbindung werden diskutiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19881210522
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  • 4
    Electronic Resource
    Electronic Resource
    Gezielte Synthese von translationsisomeren [3]-Catenanen (1986)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 119 (1986), S. 1374-1399 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Directed Synthesis of Translationally Isomeric [3]-Catenanes1)In a multi-step reaction sequence the tetrahydroxymetacyclophane 12c is synthesized. Acetalisation with 1,25-dichloro-13-pentacosanone followed by nitration and reduction afforded the diamine 13c. By cyclization of this compound in 2-pentanol with sodium carbonate and sodium iodide under high dilution conditions the monomeric products 16, 17, and 18 are obtained in yields of 21.4, 7.7, and 0.9%, respectively. On the basis of mass, 13C NMR and 1H NMR spectra the structure of these compounds is discussed. Starting from the precatenane 16 the [3]-catenanes 25a, b,c and 26a, b, c are obtained in a multi-step reaction sequence. The structure of these compounds is confirmed by mass, 13C NMR, and 1H NMR spectroscopic investigations.
    Notes: In einer vielstufigen Synthese wird das Tetrahydroxymetacyclophan 12c synthetisiert. Durch Acetalisierung mit 1,25-Dichlor-13-Pentacosanon, nachfolgender Nitrierung und Reduktion wird das Diamin 13c erhalten. Dessen Cyclisierung in 2-Pentanol in Gegenwart von Natriumcarbonat und Natriumiodid unter Verdünnungsbedingungen ergibt die monomeren Cyclisierungsprodukte 16, 17 und 18 in Ausbeuten von 21.4. 7.7 und 0.9%. Die Struktur dieser Verbindungen wird anhand der Massen-, 13C- und 1H-NMR-Spektren diskutiert. In einer mehrstufigen Reaktionsfolge werden aus dem Prä-[3]-catenan 16 die [3]-Catenane 25a, b, c und 26a, b, c erhalten. Die Struktur dieser Verbindungen wird durch 13C-NMR, 1H-NMR- und massenspektroskopische Untersuchungen bewiesen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19861190424
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  • 5
    Electronic Resource
    Electronic Resource
    Gezielte Synthese von Catena-Verbindungen, XIII. Zur Struktur von Bis-diansa-Verbindungen (1971)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 104 (1971), S. 3582-3586 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Directed Synthesis of Catenanes, XIII. Structure of Bis-diansa CompoundsCyclization of diamine 1 under high dilution conditions afforded compound 2 with bis-diansa structure as the main product. The two bridged cis-trans isomeric compounds 8 and 13 could be isolated as byproducts. The structure of these compounds was determined by mass spectrometry and confirmed by preparing the tetraacetates 4 and 10. Rupture of the bonds between the aromatic nuclei and the bridged system in compound 2 resulted in the formation of the 22-membered macroheterocycle 6. In an analogous manner the 44-membered macroheterocycle 12 was prepared from one of the bridged compounds (8 or 13).
    Notes: Die Cyclisierung des Diamins 1 unter Verdünnungsbedingungen liefert als Hauptprodukt die Bis-diansa-Verbindung 2. Als Nebenprodukte werden die überbrückten cis-trans-isomeren Verbindungen 8 und 13 isoliert. Die massenspektrometrisch getroffenen Strukturzuordnungen wurden durch Darstellung der Tetraacetate 4 und 10 bestätigt. Nach Lösen der Bindungen zwischen den aromatischen Kernen und den doppelhenkligen Systemen konnte aus 2 weiterhin der 22-gliedrige Makroheterocyclus 6 erhalten werden, aus der überbrückten Verbindung (8 oder 13) dagegen der 44-gliedrige Makroheterocyclus 12.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19711041123
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  • 6
    Electronic Resource
    Electronic Resource
    Rotaxan-Verbindungen, III. Synthese eines Rotaxans mit Triphenylmethyl-Sperrgruppen und massenspektrometrische Untersuchungen (1973)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 106 (1973), S. 228-235 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Rotaxane Compounds, III. Synthesis of a Rotaxane with Triphenylmethyl Residues as Bulky Groups and Mass Spectrometric InvestigationsStarting from the diansa dibromide 1 the rotaxane 5 is synthesized via the prerotaxane 2. The mass spectrum exhibits the peak of the molecular ion at mfe 1493 and the expected fragmentation pattern.
    Notes: Ausgehend von dem Diansa-Dibromid 1 wird über das Prärotaxan 2 das Rotaxan 5 synthetisiert. Das Massenspektrum der Verbindung zeigt bei mfe 1493 den Peak des Molekül-Ions und das erwartete Fragmentierungsbild.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19731060128
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  • 7
    Electronic Resource
    Electronic Resource
    Thermolyse von Acetoxy-alkylbenzolen und Hydroxy- alkylbenzolen (1974)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 424-441 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Thermolysis of Acetoxy-alkylbenzene and Hydroxy-alkylbenzene DerivativesThe thermolysis of long chain acetoxy-alkylbenzene and hydroxy-alkylbenzene derivatives at 340-350°C affords, probably via a radical reaction, products in which acetoxy or hydroxy groups and/or alkyl residues are substituted by hydrogen (tables 1, 2). The yields vary with type, number, and position of substituents on the benzene ring. The thermolysis of hydroxydialkylbenzene derivatives 14 and 20 gives in addition hydroxy-triaklylbenzene derivatives formed by transfer of alkyl radicals.
    Notes: Die Thermolyse von langkettigen Acetoxy-alkylbenzolen und Hydroxy-alkylbenzolen bei 340-350°C liefert in einer vermutlich radikalisch ablaufenden Reaktion Produkte, in denen Acetoxy-bzw. Hydroxygruppen und/oder Alkylreste durch Wasserstoff ersetzt sind (Tab. 1, 2). Die Ausbeuten sind von der Art, der Anzahl und der Stellung der Substituenten am Benzolkern abhängig. Die Thermolyse der Dialkyl-hydroxybenzole 14 und 20 ergibt zusätzlich Trialkyl-hydroxybenzole, die durch Übertragung von Alkyl-Radikalen entstehen.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19741070207
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  • 8
    Electronic Resource
    Electronic Resource
    Lokale Lasteinleitung in Zylinderschalen des Apparatebaus (1986)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 58 (1986), S. 442-443 
    Details
    ISSN: 0009-286X
    Keywords: Apparat ; Druckbehälter ; Zylinderschale ; Lagerung ; Abstützung ; Tragelement ; Tragpratze ; Zusatzkräfte ; lokale Belastungen ; Spannungen ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330580528
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  • 9
    Electronic Resource
    Electronic Resource
    Nitrosolate und Nitrosolatokomplexe. III. Darstellung und Struktur von Nitrosolsäurederivaten organosubstituierter Antimon(V)-, Tellur(IV)- und Jod(III)-Verbindungen (1974)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 409 (1974), S. 285-298 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Nitrosolates and Nitrosolatocompounds. III. Synthesis and Structures of Nitrosolate Derivatives of Organosubstituted Compounds of Antimony(V(, Tellurium(IV), and Iodine(III)In solution the derivatives of the nitrosolates of acetic and benzoic acids and of the ions (C6H5)4Sb+, (CH3),Sb+, (C6H5)3Te+, and the derivative of the nitrosolate of acetic acid and of the ion C12H8I+ show ionic or covalent structures, depending on the polarity of the solvent. In the solid state only the derivatives of (C12H5)4Sb+ unequivocally do not display salt character. The structure of (C6H5)4Sb · O2N2C-CH3 was determined by X-ray methods. The compound consists of separated molecules with slightly distorted trigonal-bipyramidonal environment of the antimony atom. The nitrosolato ligand is oxygen bonded to one of the apical positions. According to the electronic spectra of the solutions of the nitrosolate derivatives the nitrosolate ions react in the covalent forms either as uni-dentate ligands with O-coordination or as bidentate chelating or bridging ligands with O,O′-coordination.
    Notes: Die Acet- und Benznitrosolsäurederivate der Ionen (C6H5)4Sb+, (CH3)4Sb+, (C6H5)3Te+ und das Acetnitrosolsäurederivat des Ions C12H8J+ zeigen in Lösung je nach Polarität des Lösungsmittels ionische oder kovalente Strukturen. Im festen Zustand besitzen nur die Derivate von (C6H5),Sb+ eindeutig keinen Salzcharakter. Die Struktur von (C6H5)4Sb · O2N2C-CH3 wurde röntgenographisch bestimmt. Die Verbindung besteht aus diskreten Molekeln mit leicht verzerrter trigonal-bipyramidaler Umgebung des Antimon-atoms. Der Nitrosolatoligand besetzt eine der axialen Positionen und ist über Sauerstoff gebunden. Kach Aussage der Elektronenspektren der Lösungen der Nitrosolsäurederivate fungieren die Nitrosolationen in den kovalenten Formen entweder als einzähnige Liganden rnit O-Koordination oder als zweizähnige Chelat- bzw. Brückenliganden mit O, O′-Koordination.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19744090304
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