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  • Inorganic Chemistry  (3)
  • Magnetic resonance imaging  (2)
  • Autographa californica nuclear polyhedrosis virus  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Insect Biochemistry and Molecular Biology 22 (1992), S. 35-39 
    ISSN: 0965-1748
    Keywords: Autographa californica nuclear polyhedrosis virus ; Hyalophora cecropia ; Trichoplusia ni ; baculovirus ; protein expression
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1920
    Keywords: Lumbar disk surgery ; Vascular complications ; Angiography ; Computed tomography ; Sonography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Vascular injuries in lumbar disk surgery, although rare, are serious complications which may be overlooked due to a broad range of clinical manifestations. It is important that surgeons and radiologists be aware of these potentially fatal complications and develop an appropriate symptom-based diagnostic paradigm. We reviewed 8099 consecutive cases of lumbar disk surgery, performed over a 14-year period at a single institution, for postoperative vascular complications. We identified four patients (0.05%) with lumbar disk surgery-related vascular complications: intraoperative lacerations of the abdominal aorta and median sacral artery, an arteriovenous fistula between the left common iliac artery and vein detected 19 days postdiskectomy, and a partially thrombosed aortic aneurysm with an arteriovenous fistula between the aneurysm and the inferior vena cava, diagnosed 11 months after surgery. The majority of cases in the literature of vascular injury in lumbar disk surgery were reported prior to 1965. Diagnostic approaches described in that period do not reflect the great range of diagnostic techniques available today. Angiography remains the gold standard for diagnosis and guidance as to surgical repair. However, a high index of suspicion based on clinical signs and/or the use of sonography or CT is important in the detection of these complications.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1920
    Keywords: Key words Lumbar disk surgery ; Vascular complications ; Angiography ; Computed tomography ; Sonography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Vascular injuries in lumbar disk surgery, although rare, are serious complications which may be overlooked due to a broad range of clinical manifestations. It is important that surgeons and radiologists be aware of these potentially fatal complications and develop an appropriate symptom-based diagnostic paradigm. We reviewed 8099 consecutive cases of lumbar disk surgery, performed over a 14-year period at a single institution, for postoperative vascular complications. We identified four patients (0.05 %) with lumbar disk surgery-related vascular complications: intraoperative lacerations of the abdominal aorta and median sacral artery, an arteriovenous fistula between the left common iliac artery and vein detected 19 days postdiskectomy, and a partially thrombosed aortic aneurysm with an arteriovenous fistula between the aneurysm and the inferior vena cava, diagnosed 11 months after surgery. The majority of cases in the literature of vascular injury in lumbar disk surgery were reported prior to 1965. Diagnostic approaches described in that period do not reflect the great range of diagnostic techniques available today. Angiography remains the gold standard for diagnosis and guidance as to surgical repair. However, a high index of suspicion based on clinical signs and/or the use of sonography or CT is important in the detection of these complications.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 604 (1991), S. 39-46 
    ISSN: 0044-2313
    Keywords: Lithium cadmium chloride ; phase diagram ; fast ionic conductivity ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Phase Diagram Lithium Chloride  -  Cadmium ChlorideThe phase diagram LiCl—CdCl2 was studied by thermal analyses (DSC), Raman spectroscopic, and X-ray methods (high-temperature Raman and X-ray measurements). The following compounds have been established: 〈 570 K Li2CdCl4 (spinel type, inverse), 500-710 K Li2-2yCd1+yCl4 (y = 0-0.5) (ordered NaCl defect structure of Li2MnBr4 cF56 (Zr3S4) type), 640-820 K a hitherto unknown compound of the approximate composition „LiCd2Cl5“ (55-85 mol% CdCl2). Whereas below 500 K mutual solubilities and phase width of Li2CdCl4 are only small, large regions of solid solutions are formed at higher temperatures. The high temperature polymorphs (Li2MnBr4 type and Nacl-type solid solutions, „LiCd2Cl5“) cannot be quenched to ambient temperature. The phase transitions inverse spinel ↔ ordered NaCl defect structure ↔ disordered NaCl-type solid solutions are „klassengleiche“ order-disorder transitions of Landau type. The ternary lithium cadmium chlorides exhibit high lithium ion conduction, especially the 3D conductors (spinel and Li2MnBr4 type, „LiCd2Cl5“, and the NaCl-type solid solutions).
    Notes: Das Phasensystem LiCl—CdCl2 wurde mit thermoanalytischen (DSC), schwingungsspektroskopischen (Ramanheizaufnahmen) und röntgenographischen Methoden (Röntgenheizaufnahmen) untersucht. Es werden folgende Verbindungen gebildet: 〈 570 K Li2CdCl4 (inverser Spinelltyp), 500-710 K Li2-2yCd1+yCl4 (y = 0-0,5) (geordnete NaCl - Defektstruktur des Li2MnBr4cF56 (Zr3S4)-Typs), 640-820 K eine bisher noch nicht beschriebene phase der ungefähren Zusammensetzung „LiCd2Cl5“ (55-85 Mol.-% CdCl2). Während Randlöslichkeiten und Homogenitätsbereich von Li2CdCl4 unterhalb von 500 K relativ klein sind, werden bei höheren Temperaturen ausgedehnte Mischkristallbereiche gebildet. Die Hochtemperaturformen („LiCd2Cl5“, Li2MnBr4-Typ und NaCl-Typ-Mischkristalle) können nicht auf Raumtemperatur abgeschreckt werden. Die Phasenübergänge inverser Spinell ↔ geordnete NaCl-Defektphase ↔ ungeordnete NaCl-Typ-Mischkristalle sind klassengleiche Ordnungs-Unordnungs-Übergänge vom Landautyp. Alle ternären Lithiumcadmiumchloride zeigen eine sehr hohe Lithiumionenleitfähigkeit, insbesondere die 3D-Ionenleiter (Spinell- und Li2MnBr4-Typ, „LiCd2Cl5“ und die NaCl-Typ-Mischkristalle).
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 613 (1992), S. 26-30 
    ISSN: 0044-2313
    Keywords: Chlorometallates ; fast ionic conductivity ; phase transitions ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Novel Fast Ion Conductors of the Type MI3MIIICl6 (MI = Li, Na, Ag; MIII = In, Y)The ternary chlorides Li3InCl6, Na3InCl6, Ag3InCl6, and Li3YCl6 have been studied by difference scanning calorimetry, high-temperature X-ray, infrared, and high-temperature Raman methods. Impedance spectroscopic measurements exhibit fast ionic conductivity increasing in the sequence Na3InCl6 〈 Li3YCl6 〈 Ag3InCl6 〈 Li3InCl6. In the range of 300°C, Li3InCl6 is the best lithium ion conductor known so far (σ = 0,2 Ω-1 cm-1 at 300°C). With the exception of Na3InCl6, the chlorides exhibit complicated order-disorder phase transitions.
    Notes: Li3InCl6 Na3InCl6, Ag3InCl6 und Li3YCl6 wurden mittels thermoanalytischer (DSC), röntgenographischer, IR- und Raman-spektroskopischer Methoden (einschließlich Röntgen- und Ramanheizaufnahmen) charakterisiert. Impedanzspektroskopische Messungen ergaben eine sehr hohe Ionenleitfähigkeit (Na3InCl6 〈 Li3YCl6 〈 Ag3InCl6 〈 Li3InCl6). Li3InCl6 ist im Bereich von 300°C der bisher beste Lithiumionenleiter (σ = 0,2 Ω-1 cm-1). Mit Ausnahme von Na3InCl6 sind die hier untersuchten ternären Chloride polymorph mit komplizierten Ordnungs-Unordnungs-Phasenumwandlungen.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0044-2313
    Keywords: Dilithium manganese tetrabromide, Li2MnBr4 ; crystal structure ; neutron diffraction data ; MAPLE calculations ; Raman spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Li2MnBr4(o-rh.) - an Ordered NaCl Defect Structure of the SnMn2S4 TypeNeutron diffraction data of Li2MnBr4 at 25°C are presented. The orthorhombic room-temperature polymorph of Li2MnBr4 (space group Cmmm, Z = 2, a = 777.78(4), b = 1106.58(5), and c = 388.18(2) pm, RI = 6.7%) crystallizes in an ordered NaCl defect structure (SnMn2S4 type). The tetragonally distorted MBr6 octahedra are elongated in the case of LiBr6 and compressed for MnBr6 owing to the different sharing of these units. The crystal structure of Li2MnBr4 oC14 (and those of alternative structure models with a larger pseudotetragonal cell) are discussed with respect to X-ray intensities, Madelung part of lattice energy (MAPLE), and the Raman spectra. The symmetry coordinates and vibrational modes of the \documentclass{article}\pagestyle{empty}\begin{document}$ (\mathop {\rm k}\limits^ \to = 0) $\end{document} phonons of Li2MnBr4 oC14 are given.
    Notes: Die Kristallstruktur der Raumtemperaturmodifikation von Li2MnBr4 wurde mit Hilfe von Neutronenpulvermessungen bestimmt. Li2MnBr4(o-rh.) (Raumgruppe Cmmm, Z = 2, a = 777,78(4), b = 1106,58(5) und c = 388,18(2) pm, RI = 6,7%) kristallisiert in einer geordneten NaCl-Defekt-(bzw. Über-)struktur (SnMn2S4-Typ). Die MBr6-Oktaeder sind (mit unterschiedlicher Verknüpfung) tetragonal gestaucht (Mn) bzw. gestreckt (Li). Die Kristallstruktur von Li2MnBr4 oC14 (sowie von alternativen Strukturmodellen einer größeren pseudotetragonalen Zelle) wird unter Einbeziehung der Röntgenintensitäten, von Madelungenergien (MAPLE) sowie der Ramanspektren diskutiert. Die Symmetriekoordinaten und Schwingungsformen der Gitterschwingungen \documentclass{article}\pagestyle{empty}\begin{document}$ (\mathop {\rm k}\limits^ \to = 0) $\end{document} des Li2MnBr4 oC14 werden mitgeteilt.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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