Na 1 Nachlass Max Horkheimer, 803 - "Dialektik der Aufklärung" von Max Horkheimer und Theodor W. Adorno (p. XI 6.43 - XI 6.106)

43. - 62. Sammlung B: "Konzepte als Zugabe zur Festschrift für Friedrich Pollock" [GS 12, S. 250 - 295]. 64 Blatt; 43. "Zum Problem der Bedürfnisse". Typoskript, 6 Blatt; 44. "Dichtung und Moral". Typoskript, 5 Blatt; 45. "Geschichte der amerikanischen Arbeiterschaft". Typoskript, 1 Blatt; 46. "Kein Weg zur Wahrheit". Typoskript, 1 Blatt; 47. "Zur Rechtsphilosophie". Typoskript mit eigenen Korrekturen, 2 Blatt; 48. "Strafgefangene". Typoskript, 1 Blatt; 49. "Jüdischer Charakter". Typoskript, 1 Blatt; 50. "Solidarität". Typoskript, 2 Blatt; 51. "Unmöglichkeit der Dichtung". Typoskript, 1 Blatt; 52. "Theorie des Verbrechers". Typoskript, 14 Blatt; 53. "Erbsünde und Kopula". Typoskript, 2 Blatt; 54. "Feind". Typoskript, 2 Blatt; 55. "Haupt- und Nebensatz". Typoskript, 3 Blatt; 56. "Bewußtsein". Typoskript, 1 Blatt; 57. "Kampf und Gewaltlosigkeit". Typoskript, 6 Blatt; 58. "Umschlag der idealistischen Dialektik". Typoskript, 1 Blatt; 59. "Die Rackets und der Geist". Typoskript, 7 Blatt; 60. "Altmodische Probleme". Typoskript mit eigenen Korrekturen, 2 Blatt; 61. "Physiognomik". Typoskript, 1 Blatt; 62. "Religionspsychologie". Typoskript, 2 Blatt; 63. - 106. Sammlung C: "New Yorker Notizen [I]"; 63. "Dialektik der Aufklärung Nr. 7". Typoskript mit eigenen Korrekturen, 12 Blatt; 64. Aus der "Dialektik der Aufklärung"; Kapitel: "Elemente des Antisemitismus", Abschitt VII:; 64a) Typoskript mit eigenen Korrekturen, 11 Blatt; 64b) Teilstück, Typoskript, 2 Blatt; 64c) Teilstück, Typoskript, 1 Blatt; 64d) Teilstück, Typoskript, 1 Blatt; 65. "Bemerkungen zu These VII" [zu: 64]; Über Antisemitismus und Stalinismus, [von Theodor W. Adorno]. Typoskript, 3 Blatt; 66. "Verwandlung der Idee in Gesinnung":; 66a) Typoskript, 5 Blatt; 66b) Typoskript mit eigenen Korrekturen, 4 Blatt; 66c) Typoskript, 5 Blatt; 67. "Zum Problem der Bedürfnisse". Typoskript mit eigenen Korrekturen, 6 Blatt; 68. "Dichtung und Moral":; 68a) Typoskript, 5 Blatt; 68b) Typoskript mit eigenen Korrekturen, 4 Blatt; 68c) Typoskript mit eigenen Korrekturen, 4 Blatt; 68d) Typoskript mit eigenen Korrekturen, 5 Blatt; 69. "Geschichte der amerikanischen Arbeiterschaft":; 69a) Typoskript, 1 Blatt; 69b) Typoskript; 1 Blatt; 70. "Straftheorie. Zur Rechtsphilosophie":; 70a) Typoskript mit eigenen Korrekturen, 3 Blatt; 70b) Typoskript mit eigenen Korrekturen, 3 Blatt; 70c) Typoskript mit eigenen Korrekturen, 3 Blatt; 70d) Typoskript, 3 Blatt; 71. "Jüdischer Charakter". Typoskript, 1 Blatt; 72. "Solidarität". Typoskript, 2 Blatt; 73. "Theorie des Verbrechens". Typoskript mit eigenen Korrekturen, 17 Blatt; 74. "Erbsünde und Copula":; 74a) Typoskript, 2 Blatt; 74b) Typoskript mit eigenen Korrekturen, 3 Blatt; 75. "Geschichtsphilosophischer Exkurs zur Odysee" [von Theodor W. Adorno ?]. Teilstück, Typoskript, 1 Blatt; 76. "Feind":; 76a) Typoskript, 2 Blatt; 76b) Typoskript, 2 Blatt; 76c) Typoskript, 2 Blatt; 76d) Entwurf, englisch, Typoskript mit eigenen Korrekturen, 2 Blatt; 77. "Haupt- und Nebensatz":; 77a) Typoskript, 2 Blatt; 77b) Typoskript mit eigenen Korrekturen, 2 Blatt; 77c) Typoskript mit eigenen Korrekturen, 2 Blatt; 77d) Typoskript mit eigenen Korrekturen, 3 Blatt; 78. "Bewußtsein":; 78a) Typoskript, 1 Blatt; 78b) Typoskript mit eigenen Korrekturen, 1 Blatt; 79. "Kampf und Gewaltlosigkeit":; 79a) Typoskript, 6 Blatt; 79b) Typoskript, 6 Blatt; 79c) Teilstücke, Typoskript mit eigenen Korrekturen, 6 Blatt; 79d) Typoskript mit eigenen Korrekturen, 5 Blatt; 79e) Typoskript, 5 Blatt; 79f) Teilstück, Typoskript mit eigenen Korrekturen, 2 Blatt; 80. "Die Rackets und der Geist":; 80a) Typoskript mit eigenen Korrekturen, 2 Blatt; 80b) Typoskript mit eigenen Korrekturen, 6 Blatt; 81. "Altmodisches Problem". Typoskript, 2 Blatt; 82. "Physiognomik". Typoskript, 1 Blatt; 83. "Religionspsychologie":; 83a) Typoskript mit eigenen Korrekturen, 2 Blatt; 83b) Typoskript mit eigenen Korrekturen, 2 Blatt; 84. "Leeres Erschrecken":; 84a) Typoskript mit eigenen Korrekturen, 2 Blatt; 84b) Typoskript, 2 Blatt; 84c) Typoskript mit eigenen Korrekturen, 2 Blatt; 85. "Philosophie und Arbeitsteilung":; 85a) Typoskript mit eigenen Korrekturen, 3 Blatt; 85b) Typoskript mit eigenen Korrekturen, 3 Blatt; 85c) Typoskript, 3 Blatt; 85d) Typoskript mit handschriftlichen Korrekturen, 3 Blatt; 86. "Vorrede" zur Dialektik der Aufklärung. Typoskript mit eigenen Korrekturen, 11 Blatt; 87. ["Umschlag der idealistischen Dialektik"] Typoskript, 1 Blatt; 88. Über Erkenntnis und Sprache. Typoskript mit eigenen Korrekturen, 1 Blatt; 89. "Zur Kritik der Geschichtsphilosophie". Typoskript mit eigenen Korrekturen, 3 Blatt; 90. "Mensch und Tier":; 90a) Typoskript mit eigenen und handschriftlichen Korrekturen, 12 Blatt; 90b) Typoskript mit eigenen Korrekturen, 3 Blatt; 90c) Typoskript mit eigenen Korrekturen, 4 Blatt; 90d) Typoskript mit eigenen Korrekturen, 3 Blatt; 90e) Typoskript mit eigenen Korrekturen, 10 Blatt; 91. "Massengesellschaft". Typoskript, 1 Blatt; 92. "Zwei Welten". Typoskript, 2 Blatt; 93. "Zur Theorie der Gespenster":; 93a) Typoskript, 1 Blatt; 93b) Typoskript mit eigenen Korrekturen, 1 Blatt; 94. "Interesse am Körper":; 94a) Typoskript mit eigenen Korrekturen, 6 Blatt; 94b) Typoskript mit eigenen Korrekturen, 7 Blatt; 94c) Typoskript, 2 Blatt; 94d) Typoskript, 6 Blatt; 95. "Unmöglichkeit der Dichtung". Typoskript, 1 Blatt; 96. "Die Einseitigkeit der Negativität":; 96a) Typoskript, 2 Blatt; 96b) Typoskript mit eigenen Korrekturen, 2 Blatt; 96c) Typoskript, 2 Blatt; 97. "Widersprüche":; 97a) Typoskript, 4 Blatt; 97b) Typoskript mit eigenen Korrekturen, 4 Blatt; 98. "Zur Theorie der Dummheit":; 98a) Typoskript, 3 Blatt; 98b) Typoskript mit eigenen Korrekturen, 3 Blatt.; 99. "Gezeichnet". Typoskript, 2 Blatt; 100. "Quand-même":; 100a) Typoskript, 2 Blatt; 100b) Typoskript mit eigenen Korrekturen, 2 Blatt; 101. "Isolierung durch Verkehr":; 101a) Typoskript mit eigenen Korrekturen, 1 Blatt; 101b) Typoskript, 1 Blatt; 102. "Gegen Gescheitheit". Typoskript mit eigenen Korrekturen, 1 Blatt; 103. "Propaganda":; 103a) Typoskript mit eigenen Korrekturen, 2 Blatt; 103b) Typoskript, 2 Blatt; 103c) Typoskript mit eigenen Korrekturen, 2 Blatt; 104. "Der Gedanke". Typoskript mit eigenen Korrekturen, 1 Blatt; 105. Fragment aus der "Dialektik der Aufklärung", Exkurs II. Typoskript mit eigenen Korrekturen, 3 Blatt; 106. Zum Begriff des Individuums bei Leibniz und Hegel [GS 12, S. 314 - 315]. Typoskript mit eigenen Korrekturen, 2 Blatt;

Macrocyclic systems containing 2,6,9-trioxabicyclo[3.3.1]-nona-3,7-dienes as chiral spacer groups: Synthesis, stereochemical features and preliminary complexation properties

Novel 2:2-macrocycles bearing bridged concave 2,6,9-trioxabicyclo[3.3.1]nona-3,7-dienes as chiral spacer units were obtained by cyclocondensation reaction of the chiral bisacid chloride and the corresponding diols, while use of methylene diamines instead of diols afforded 1:1 macrocycles only. Applying the same, but now template-assisted, experimental procedure to the reaction of the bisacid chloride with triethylene glycol brought about a significant increase in yield as well as a suitable simplification of the work-up during preparation and separation of the corresponding 1:1 as well as 2:2 macrocycles, when compared to results reported previously. HPLC separation on chiral columns revealed the presence of diastereoisomers [RR(S,S)- and RS-(meso)-forms] for all 2:2 macrocycles, which was further evidenced by the CD spectrum of one of those species as an example. Preliminary ESI-MS experiments indicated strong complexation abilities of the sulphur-containing ligand towards Ag(I), Cu(II) and Au(III) ions.

Mössbauer spectroscopic study of the thermal spin crossover in [Fe(II)(isoxazole)6](ClO4)2

The Fe Mössbauer spectroscopy of mononuclear [Fe(II)(isoxazole)](ClO) has been studied to reveal the thermal spin crossover of Fe(II) between low-spin (S = 0) and high-spin (S = 2) states. Temperaturedependent spin transition curves have been constructed with the least-square fitted data obtained from the Mössbauer spectra measured at various temperatures between 84 and 270 K during a cooling and heating cycle. This compound exhibits an unusual temperature-dependent spin transition behaviour with T(?) = 223 and T(?) = 213 K occurring in the reverse order in comparison to those observed in SQUID observation and many other spin transition compounds. The compound has three high-spin Fe(II) sites at the highest temperature of study of which two undergo spin transitions. The compound seems to undergo a structural phase transition around the spin transition temperature, which plays a significant role in the spin crossover behaviour as well as the magnetic properties of the compound at temperatures below T. The present study reveals an increase in high-spin fraction upon heating in the temperature range below T, and an explanation is provided.

Population pharmacokinetic and pharmacogenetic analysis of 6-mercaptopurine in paediatric patients with acute lymphoblastic leukaemia

WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT • The cytotoxic effects of 6-mercaptopurine (6-MP) were found to be due to drug-derived intracellular metabolites (mainly 6-thioguanine nucleotides and to some extent 6-methylmercaptopurine nucleotides) rather than the drug itself. • Current empirical dosing methods for oral 6-MP result in highly variable drug and metabolite concentrations and hence variability in treatment outcome. WHAT THIS STUDY ADDS • The first population pharmacokinetic model has been developed for 6-MP active metabolites in paediatric patients with acute lymphoblastic leukaemia and the potential demographic and genetically controlled factors that could lead to interpatient pharmacokinetic variability among this population have been assessed. • The model shows a large reduction in interindividual variability of pharmacokinetic parameters when body surface area and thiopurine methyltransferase polymorphism are incorporated into the model as covariates. • The developed model offers a more rational dosing approach for 6-MP than the traditional empirical method (based on body surface area) through combining it with pharmacogenetically guided dosing based on thiopurine methyltransferase genotype. AIMS - To investigate the population pharmacokinetics of 6-mercaptopurine (6-MP) active metabolites in paediatric patients with acute lymphoblastic leukaemia (ALL) and examine the effects of various genetic polymorphisms on the disposition of these metabolites. METHODS - Data were collected prospectively from 19 paediatric patients with ALL (n = 75 samples, 150 concentrations) who received 6-MP maintenance chemotherapy (titrated to a target dose of 75 mg m−2 day−1). All patients were genotyped for polymorphisms in three enzymes involved in 6-MP metabolism. Population pharmacokinetic analysis was performed with the nonlinear mixed effects modelling program (nonmem) to determine the population mean parameter estimate of clearance for the active metabolites. RESULTS - The developed model revealed considerable interindividual variability (IIV) in the clearance of 6-MP active metabolites [6-thioguanine nucleotides (6-TGNs) and 6-methylmercaptopurine nucleotides (6-mMPNs)]. Body surface area explained a significant part of 6-TGNs clearance IIV when incorporated in the model (IIV reduced from 69.9 to 29.3%). The most influential covariate examined, however, was thiopurine methyltransferase (TPMT) genotype, which resulted in the greatest reduction in the model's objective function (P < 0.005) when incorporated as a covariate affecting the fractional metabolic transformation of 6-MP into 6-TGNs. The other genetic covariates tested were not statistically significant and therefore were not included in the final model. CONCLUSIONS - The developed pharmacokinetic model (if successful at external validation) would offer a more rational dosing approach for 6-MP than the traditional empirical method since it combines the current practice of using body surface area in 6-MP dosing with a pharmacogenetically guided dosing based on TPMT genotype.

X-ray crystallographic and theoretical studies of an anticonvulsant enaminone:methyl 4-(4'-bromophenyl)amino-6-methyl-2-oxocyclohex-3-en-1-oate

Objective: The aims of this study were to establish the structure of the potent anticonvulsant enaminone methyl 4-(4′-bromophenyl)amino-6-methyl-2- oxocyclohex-3-en-1-oate (E139), and to determine the energetically preferred conformation of the molecule, which is responsible for the biological activity. Materials and Methods: The structure of the molecule was determined by X-ray crystallography. Theoretical ab initio calculations with different basis sets were used to compare the energies of the different enantiomers and to other structurally related compounds. Results: The X-ray crystal structure revealed two independent molecules of E139, both with absolute configuration C11(S), C12(R), and their inverse. Ab initio calculations with the 6-31G, 3-21G and STO-3G basis sets confirmed that the C11(S), C12(R) enantiomer with both substituents equatorial had the lowest energy. Compared to relevant crystal structures, the geometry of the theoretical structures shows a longer C-N and shorter C=O distance with more cyclohexene ring puckering in the isolated molecule. Conclusion: Based on a pharmacophoric model it is suggested that the enaminone system HN-C=C-C=O and the 4-bromophenyl group in E139 are necessary to confer anticonvulsant property that could lead to the design of new and improved anticonvulsant agents. Copyright © 2003 S. Karger AG, Basel.

Ag alloyed Pd single-atom catalysts for efficient selective hydrogenation of acetylene to ethylene in excess ethylene

Semihydrogenation of acetylene in an ethylene-rich stream is an industrially important process. Conventional supported monometallic Pd catalysts offer high acetylene conversion, but they suffer from very low selectivity to ethylene due to overhydrogenation and the formation of carbonaceous deposits. Herein, a series of Ag alloyed Pd single-atom catalysts, possessing only ppm levels of Pd, supported on silica gel were prepared by a simple incipient wetness coimpregnation method and applied to the selective hydrogenation of acetylene in an ethylene-rich stream under conditions close to the front-end employed by industry. High acetylene conversion and simultaneous selectivity to ethylene was attained over a wide temperature window, surpassing an analogous Au alloyed Pd single-atom system we previously reported. Restructuring of AgPd nanoparticles and electron transfer from Ag to Pd were evidenced by in situ FTIR and in situ XPS as a function of increasing reduction temperature. Microcalorimetry and XANES measurements support both geometric and electronic synergetic effects between the alloyed Pd and Ag. Kinetic studies provide valuable insight into the nature of the active sites within these AgPd/SiO2 catalysts, and hence, they provide evidence for the key factors underpinning the excellent performance of these bimetallic catalysts toward the selective hydrogenation of acetylene under ethylene-rich conditions while minimizing precious metal usage.

(Table 1) Comparisons of dynamic and static Young's moduli of basalt at DSDP Holes 69-504B, 70-504B and 83-504B

Compressional- and shear-wave velocity logs (Vp and Vs, respectively) that were run to a sub-basement depth of 1013 m (1287.5 m sub-bottom) in Hole 504B suggest the presence of Layer 2A and document the presence of layers 2B and 2C on the Costa Rica Rift. Layer 2A extends from the mudline to 225 m sub-basement and is characterized by compressional-wave velocities of 4.0 km/s or less. Layer 2B extends from 225 to 900 m and may be divided into two intervals: an upper level from 225 to 600 m in which Vp decreases slowly from 5.0 to 4.8 km/s and a lower level from 600 to about 900 m in which Vp increases slowly to 6.0 km/s. In Layer 2C, which was logged for about 100 m to a depth of 1 km, Vp and Vs appear to be constant at 6.0 and 3.2 km/s, respectively. This velocity structure is consistent with, but more detailed than the structure determined by the oblique seismic experiment in the same hole. Since laboratory measurements of the compressional- and shear-wave velocity of samples from Hole 504B at Pconfining = Pdifferential average 6.0 and 3.2 km/s respectively, and show only slight increases with depth, we conclude that the velocity structure of Layer 2 is controlled almost entirely by variations in porosity and that the crack porosity of Layer 2C approaches zero. A comparison between the compressional-wave velocities determined by logging and the formation porosities calculated from the results of the large-scale resistivity experiment using Archie's Law suggest that the velocity- porosity relation derived by Hyndman et al. (1984) for laboratory samples serves as an upper bound for Vp, and the noninteractive relation derived by Toksöz et al. (1976) for cracks with an aspect ratio a = 1/32 serves as a lower bound.

Data compilation on the biological response to ocean acidification: environmental and experimental context of data sets and related literature

The exponential growth of studies on the biological response to ocean acidification over the last few decades has generated a large amount of data. To facilitate data comparison, a data compilation hosted at the data publisher PANGAEA was initiated in 2008 and is updated on a regular basis (doi:10.1594/PANGAEA.149999). By January 2015, a total of 581 data sets (over 4 000 000 data points) from 539 papers had been archived. Here we present the developments of this data compilation five years since its first description by Nisumaa et al. (2010). Most of study sites from which data archived are still in the Northern Hemisphere and the number of archived data from studies from the Southern Hemisphere and polar oceans are still relatively low. Data from 60 studies that investigated the response of a mix of organisms or natural communities were all added after 2010, indicating a welcomed shift from the study of individual organisms to communities and ecosystems. The initial imbalance of considerably more data archived on calcification and primary production than on other processes has improved. There is also a clear tendency towards more data archived from multifactorial studies after 2010. For easier and more effective access to ocean acidification data, the ocean acidification community is strongly encouraged to contribute to the data archiving effort, and help develop standard vocabularies describing the variables and define best practices for archiving ocean acidification data.

Conservação de material genético de espécies silvestres do bioma caatinga utilizando a manipulação oócitos inclusos em folículos ovarianos pré antrais (MOIFOPA)

The objective of the present thesis was to use the manipulation of oocytes enclosed in preantral follicles (MOEPF) as a tool for the female gametes rescue and optimization, from wild species of Caatinga biome. The thesis was divided into 4 experiments. At first experiment, it was performed the estimative and description of the agouti (Dasyprocta leporina) preantral follicles (PF) histologic and ultrastructural features, in which it was estimated 4419.8 ± 532.26 and 5397.52 ± 574.91 follicles for the right and left ovary, respectively, and the majority (86,63%) belonged to the primordial follicles category (P<0.05). Most of the population consists of morphologically normal follicles (70.78%), presenting a large and central nuclei and uniform cytoplasm. At ultrastructural evaluation it was verified the presence of a great number of round mitochondrias associated to lipid droplets. In the second experiment, it was performed the estimative and description of yellow-toothed cavies (Galea spixii) PF characteristics, also, the evaluation of the effect of solid surface vitrification (SSV) on the in situ PF morphology. The total of 416.0 ± 342.8 PF was estimated for the ovary pair and the presence of a large quantity of primary follicles (P<0.05) was evidenced. Most of the PF was morphologically normal (94.6%), in which the oocyte nuclei presented condensed granules of heterochromatin. Round or elongated shaped mitochondria constituted the most abundant organelles. In regard of the SSV, the protocol using the dimethylsulfoxide (DMSO) 3M possibility the preservation of 69.5% of morphologically normal PF, which was evidenced by the light and transmission electronic microscopy. At third experiment, the evaluation of the SSV procedure on the morphology and viability in situ PF form collared peccaries (Pecari tajacu) was performed. No differences were observed among treatments, in which the use of DMSO, ethylene glycol (EG) and dimethylformamide (DMF) as cryoprotectants, regardless its concentration, promoted the morphology preservation of much than 70% of PF. Concerning the PF viability, the DMSO and EG promoted the best preservation. The fourth experiment aimed to evaluate the effect of α MEM+ or TCM199 associated or not to 50 ng of FSHr on the morphology, activation and growth of collared peccaries PF, in vitro cultured (IVC) during 1 or 7 days and the effect on the extracellular matrix (ECM). After 7 days of IVC only the use of TCM199/FSH maintained the proportion of intact PF, similar to day 1(63.2%), however, no differences were observed among treatments (P>0.05). Also, an improvement of the proportion of intact growing PF was verified (P>0.05). By the Ag-NOR analysis it was observed that only the treatment using TCM199/FSH promoted the maintenance of cell proliferation similar to day 1 (P>0.05). The picrosirius red stain revealed that ECM remained intact in all treatments (P>0.05). Thus, as the general conclusion, the use of MOEPF in the refereed species allowed the knowledge of aspects related to its reproductive morphology and physiology, enabling the germplasm conservation, with the possibility of germplasm bank formation, as the elucidation of mechanisms related to the PF survive and in vitro development.

Trends in blindness due to diabetic retinopathy among adults aged 18-69 years over a decade in Ireland

Aims: To describe trends in the incidence of visual impairment and blindness due to diabetic retinopathy among adults aged 18–69 years in Ireland between 2004 and 2013. Methods: Data on visual impairment due to diabetic retinopathy in adults aged 18–69 years or over who are registered with the National Council for the Blind of Ireland, (2004–2013) were analysed. Annual incidence rates were calculated for the adult population and the population with diagnosed diabetes. Poisson regression was used to test for changes in rates over time. The relative, attributable and population risk of blindness and visual impairment due to diabetic retinopathy were calculated for 2013. Results: Over the decade, the prevalence of diagnosed diabetes increased from 2.1% to 3.6%. Among people with diagnosed diabetes, the incidence of visual impairment due to diabetic retinopathy increased from 6.4 (95% CI 2.4–13.9) per 100,000 in 2004 to 11.7 (95% CI 5.9–21.0) per 100,000 in 2013. The incidence of blindness due to diabetic retinopathy varied from 31.9 per 100,000 (95% CI 21.6–45.7) in 2004 to 14.9 per 100,000 (95% CI 8.2–25.1) in 2013. Conclusions: Our findings indicate the need for increased attention to preventive measures for microvascular complications among adults with diabetes in Ireland. Retinopathy screening has been standardised in Ireland, these findings provide useful baseline statistics to monitor the impact of this population-based screening programme.

(Table 1) Strontium concentration and isotope ratios of carbonates from DSDP Holes 69-504B as well as 83-504B and fish debris samples from Indian and Pacific Ocean sediments

Recent revisions of the geological time scale by Kent and Gradstein (in press) suggest that, on the average, Cretaceous magnetic anomalies are approximately 10 m.y. older than in Larson and Hilde's (1975) previous time scale. These revised basement ages change estimates for the duration of alteration in the ocean crust, based on the difference between secondary-mineral isochron ages and magnetic isochron-crustal ages, from 3 to approximately 13 m.y. In addition to the revised time scale, Burke et al.'s (1982) new data on the temporal variation of 87Sr/86Sr in seawater allow a better understanding of the timing of alteration and more realistic determinations of water/rock ratios during seawater-basalt interaction. Carbonates from all DSDP sites which reached Layer 2 of Atlantic crust (Sites 105, 332, 417, and 418) are deposited within 10-15 m.y. of crustal formation from solutions with 87Sr/86Sr ratios identical to unaltered or contemporaneous seawater. Comparisons of the revised seawater curve with the 87Sr/86Sr of basement carbonates is consistent with a duration of approximately 10-15 m.y. for alteration in the ocean crust. Our preliminary Sr and 87Sr/86Sr data for carbonates from Hole 504B, on 5.9-m.y.-old crust south of the Costa Rica Rift, suggest that hydrous solutions from which carbonates precipitated contained substantial amounts of basaltic Sr. For this reason, carbonate 87Sr/86Sr cannot be used to estimate the duration of alteration at this site. A basalt-dominated alteration environment at Hole 504B is consistent with heat-flow evidence which indicates rapid sediment burial of crust at the Costa Rica Rift, sealing it from access by seawater and resulting in unusually low water/rock ratios during alteration.

Intervención cognitivo-conductual para el control de ansiedad ante la biopsia insicional en pacientes con cáncer de mama

Oncological patients are submitted to invasive exams in order to obtain an accurate diagnosis; these procedures may cause maladaptative reactions (fear, anxiety and pain). Particularly in breast cancer, the most common diagnose technique is the incisional biopsy. Most of the patients are unaware about the procedure and for that reason they may focus their thoughts on possible events such as pain, bleeding, the anesthesia, or the later surgical wound care. Anxiety and pain may provoke physiological, behavioral and emotional complications, and because of this reason, the Behavioral Medicine trained psychologist takes an active role before and after the biopsy. The aim of this study was to evaluate the effect of a cognitive-behavioral program to reduce anxiety in women submitted to incisional biopsy for the first time. There were 10 participants from the Hospital Juárez de México, Oncology service; all of them were treated as external patients. The intervention program focused in psycho-education and passive relaxation training using videos, tape-recorded instructions and pamphlets. Anxiety measures were performed using the IDARE-State inventory, and a visual-analogue scale of anxiety (EEF-A), and the measurement of blood pressure and heart rate). Data were analyzed both intrasubject and intersubject using the Wilcoxon test (p≤0.05). The results show a reduction in anxiety (as in punctuation as in ranges) besides, a reduction in the EEF-A.

"Sub Tiberio quies"? Judaea’s Political Situation under the Prefects (6-41 c.e.), between Reality and Ideology

Deeply conflicting views on the political situation of Judaea under the Roman prefects (6-41 c.e.) have been offered. According to some scholars, this was a period of persistent political unrest and agitation, whilst according to a widespread view it was a quiescent period of political calm (reflected in Tacitus’ phrase sub Tiberio quies). The present article critically examines again the main available sources –particularly Josephus, the canonical Gospels and Tacitus– in order to offer a more reliable historical reconstruction. The conclusions drawn by this survey calls into question some widespread and insufficiently nuanced views on the period. This, in turn, allows a reflection on the non-epistemic factors which might contribute to explain the origin of such views.