ALBERT — All Library Books, journals and Electronic Records Telegrafenberg

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Absolute configuration determination and conformational analysis of (−)-(3S,6S)-3α,6β-diacetoxytropane using vibrational circular dichroism and DFT techniques (2009)

Muñoz, Marcelo A. ; Muñoz, Orlando ; Joseph-Nathan, Pedro

Wiley

In: Chirality. 2009; NA-NA. Published 2009 Jan 01. doi: 10.1002/chir.20734. [early online release]

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Publikationsdatum: 2009-01-01

Print ISSN: 0899-0042

Digitale ISSN: 1520-636X

Thema: Chemie und Pharmazie

Publiziert von Wiley

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Melatonin effect on renal oxidative stress under constant light exposure (2002)

Túnez, Isaac ; del Carmen Muñoz, María ; Feijoo, Montserrat ; [weitere]

Wiley

In: Cell Biochemistry and Function. 2002; 21(1): 35-40. Published 2002 Oct 07. doi: 10.1002/cbf.994.

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Publikationsdatum: 2002-10-07

Print ISSN: 0263-6484

Digitale ISSN: 1099-0844

Thema: Biologie , Medizin

Publiziert von Wiley

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13

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Soil conservation beneath grass cover in hillside vineyards under Mediterranean Climatic conditions (Madrid, Spain) (2009)

Marques, M. J. ; García-Muñoz, S. ; Muñoz-Organero, G. ; [weitere]

Wiley

In: Land Degradation & Development. 2009; 21(2): 122-131. Published 2009 Apr 16. doi: 10.1002/ldr.915.

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Publikationsdatum: 2009-04-16

Print ISSN: 1085-3278

Digitale ISSN: 1099-145X

Thema: Geographie , Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft

Publiziert von Wiley

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14

Digitale Medien

Book review (2000)

Muñoz-Martínez, E. J.

Springer

Bulletin of mathematical biology 62 (2000), S. 795-797

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ISSN: 1522-9602

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Mathematik

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1006/bulm.1999.0175

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15

Digitale Medien

Mean-field solution of the parity-conserving kinetic phase transition in one dimension (2003)

Zhong, D. ; ben-Avraham, D. ; Muñoz, M. A.

Springer

The European physical journal 35 (2003), S. 505-511

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ISSN: 1434-6036

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract. A two-offspring branching annihilating random walk model, with finite reaction rates, is studied in one-dimension. The model exhibits a transition from an active to an absorbing phase, expected to belong to the DP2 universality class embracing systems that possess two symmetric absorbing states, which in one-dimensional systems, is in many cases equivalent to parity conservation. The phase transition is studied analytically through a mean-field like modification of the so-called parity interval method. The original method of parity intervals allows for an exact analysis of the diffusion-controlled limit of infinite reaction rate, where there is no active phase and hence no phase transition. For finite rates, we obtain a surprisingly good description of the transition which compares favorably with the outcome of Monte Carlo simulations. This provides one of the first analytical attempts to deal with the broadly studied DP2 universality class.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epjb/e2003-00303-4

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16

Digitale Medien

Lösungspolymerisation von 1,3,5-Trioxan und 1,3,5,7-Tetroxocan. 1. Mitt. Polymerisationsgeschwindigkeit, Charakterisierung und Schmelzverhalten des so erhaltenen Polyoxymethylens (1978)

Munoz-Escalona, A. ; Guerrero, S. J.

Springer

Colloid & polymer science 256 (1978), S. 305-305

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ISSN: 1435-1536

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Maschinenbau

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01550719

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17

Digitale Medien

Phenotypic characteristics and relative proportions of three genotypic variants isolated from a nucleopolyhedrovirus of Spodoptera exigua (2000)

Muñoz, Delia ; de Escudero, Iñigo Ruiz ; Caballero, Primitivo

Springer

Entomologia experimentalis et applicata 97 (2000), S. 275-282

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ISSN: 1570-7458

Schlagwort(e): Spodoptera exigua ; nucleopolyhedrovirus ; genotypic variants ; relative proportion ; phenotypic characteristic

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract US2A, US2D, and US2F are three in vivocloned genotypic variants from the wild-type strain of a Spodoptera exiguanucleopolyhedrovirus (SeMNPV) isolated in Florida (USA) and is the active component of the commercial bioinsecticide Spod-X®. These variants were compared in terms of pathogenicity (LD50), speed of kill (expressed as mean time to death) and viral progeny productivity (OBs/larva). LD50values were similar for the three cloned genotypes. The mean time to death value for US2D (113.7 h) was significantly higher than those of US2A (31.7 h) and US2F (27.8 h). Virus yield was determined for L4larvae infected with the estimated LD99. US2D infected larvae attained higher weight than those infected with US2A and US2F, and produced a higher OB yield than larvae infected with US2A or US2F. An outstanding feature of US2F, in contrast to US2A and US2D, was its inability to disrupt the teguments of NPV-killed larvae. To study the relative proportion of the three genotypic variants throughout successive passages, S. exigualarvae were originally infected with a viral inoculum containing a 1:1:1 mixture of the three genotypes. After three successive passages, US2D was no longer detected in either of the three replicate experiments performed, while US2A was the predominant genotype in all of them, and US2F remained at similar proportions throughout the three passages. The influence of the phenotypic characteristics of the three variants on their relative proportions in mixed infections is discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1004045526205

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18

Digitale Medien

Chelated aluminum alkoxides (2000)

Muñoz-Hernandez, Miguel-Angel ; Keizer, Timothy S. ; Parkin, Sean ; [weitere]

Springer

Journal of chemical crystallography 30 (2000), S. 219-222

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ISSN: 1572-8854

Schlagwort(e): Aluminum ; alkoxide ; five-coordinate ; six-coordinate

Quelle: Springer Online Journal Archives 1860-2000

Thema: Geologie und Paläontologie , Physik

Notizen: Abstract The present contribution will demonstrate that monomeric alkoxide compounds can be formed by the use of the Salen(tBu) ligand. These alkoxides, LAlOR (with L=Salen (tBu), R=Me (1), Salomphen(tBu), R=Me (3) and L=Salen(tBu), R=Et (4)) feature five-coordinate monomeric aluminum (Salen(tBu)=N,N′-ethylenebis(3,5-di-tert-butylsalicylideneimine) and Salomphen(tBu)=N,N′-(4,5-di-methyl)phenylenenebis(3,5-di-tert-butylsalicylideneimine). Crystallization of 1 from MeOH affords the six-coordinate complex, Salen(tBu)AlOMe(MeOH) (2). The manner in which these compounds may be obtained, as well as the structures of 2 and 4 will be described

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1009530803852

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19

Digitale Medien

Coke formation on an industrial reforming Pt–Sn/γ‐Al2O3 catalyst (2000)

Li, C.L. ; Novaro, O. ; Bokhimi, X. ; [weitere]

Springer

Catalysis letters 65 (2000), S. 209-216

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ISSN: 1572-879X

Schlagwort(e): coke formation ; industrial reforming catalyst ; Pt–Sn/γ‐Al2O3 ; coke characterization ; coke burning off

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The characterization of the coke deposited on an industrial Pt–Sn/γ‐Al2O3 catalyst, used in a continuous reforming process, was performed with AFM, XRD, FTIR, EPR, NMR, TG‐DTG and DTA techniques. Composition, structure and location of the coke on the catalyst were investigated. The coke was predominantly deposited on the catalyst surface and in the interstices between the catalyst particles. Its content increased along the reactor from top to bottom. Coke was deposited in the form of uniform films and clusters of three‐dimensional disks with diameters between 0.12 and 0.18 μm. It had a pseudo‐graphite structure produced by the dehydrogenation and polymerization of the aromatic precursor compounds. The coked catalyst showed a good combustion behavior; it was regenerated below 550°C. These results are important to elucidate the coke formation mechanism, to generate new continuous reforming catalysts, and to optimize the reactor operation parameters.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1019042027077

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20

Digitale Medien

Chiral five- and six-coordinate aluminum (2000)

Muñoz-Hernandez, Miguel-Angel ; Parkin, Sean ; Yearwood, Burl ; [weitere]

Springer

Journal of chemical crystallography 30 (2000), S. 215-218

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ISSN: 1572-8854

Schlagwort(e): Aluminum ; cation ; Lewis acid ; six-coordinate

Quelle: Springer Online Journal Archives 1860-2000

Thema: Geologie und Paläontologie , Physik

Notizen: Abstract The chiral five-coordinate halide compound, Salcen(tBu)AlCl (1) (Salcen = N,N′-cyclohexylenebis(3, 5-di-tert-butylsalicylideneimine) can be used in a salt elimination reaction to produce [R,R'Salcen(tBu)AlOTs] (2) as well as the chiral cationic complex, [R,R'Salcen (tBu)Al(thf)2]+ BPh4 − (3). The conditions under which these types of neutral and cationic complexes form will be discussed. This should provide guidance for the eventual use of the cations as strongly Lewis acidic catalysts and organic synthetic reagents.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1009547519781

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