Actividad Biológica y componentes presentes en ariocarpus kotschoubeyanus (lemaire ex K. Schumann), equinocereus stramineus (Hengelmann) y stenocereus Pruinosus, (Otto).

Tesis (Doctor en Ciencias con Acentuación en Productos Naturales) UANL, 2009.

L’éthique de la discussion : Portée et limites des propositions de Karl-Otto Apel

Management sciences and corporate practices of companies bring extensive views on the ethics and the corporate responsibility. The practical experiments try to build, and to make appropriate themselves to itself by the actors of companies, the deontological ethics governed by principles. Dialogue and deliberation are the political frame given to this construction. A question seems then central, that of the ultimate rational foundation of the morality and its normative contents. K.O. Apel’s propositions concerning his ethics of the discussion founded in a pragmatico-transcendental way seems to me to allow an essential advance on the subject. According to Apel, this foundation should supply: 1) The bases of an ultimate rational foundation of the morality and its normative contents, 2) The bases of the universal validity of a principle of justice, solidarity and co responsibility, 3) The bases of an ethics of the responsibility, but not an deontological ethics, governed by principles which could come to complete and to legitimize socio organizational processes and systems of relations which, placed in a new ethical context, could continue. In this article, I try to show in what K.O. Apel’s propositions allow to enrich a reflection opened by the research works in business ethics and in organizational behavior.

Aproximación a las raíces oníricas de Emilio Prados.

Resumen basado en el de la publicación. Resumen en inglés

Tendencias y problemas de la Enseñanza de nivel medio en la Europa de hoy : conferencia pronunciada en la Reunión del Profesorado de Granada por el profesor Otto Engel (abril de 1968).

Se transcribe la conferencia titulada Tendencias y problemas de la Enseñanza de nivel medio en la Europa de hoy, pronunciada en la Reunión del Profesorado de Granada por el Profesor Otto Ángel, en abril de 1968. Se habla en primer lugar del espíritu de unión europeo y de las figuras que lo han impulsado, como Adenauer, De Gasperi y Schumann. Posteriormente se adentra en la cuestión de la educación secundaria en Europa. Se destaca como del 20 al 28 de abril de 1967 se celebró en Málaga, una Semana de estudios, organizada por el Gobierno español bajo los auspicios del Consejo de Europa cuyo tema fue La actitud humanista en la enseñanza secundaria para la Europa del mañana. Se precisó como el humanismo no se reduce a las llamadas humanidades de los tiempos pasados, es decir al estudio de las lenguas y literaturas griega y latina, sino que todas las asignaturas tienen un núcleo humanístico. Pero el núcleo central lo integran los siguientes temas: las organizaciones europeas de cooperación pedagógica, las cuestiones de orientación escolar concernientes a la enseñanza secundaria y los métodos de enseñanza contrapuestos. Para terminar se señala que otro tipo de actividad pedagógica moderna lo constituye la llamada forma social-integradora, en la que el profesor da una visión general del trabajo proyectado. Este proyecto es sometido a discusión y a decisión por grupos de alumnos estimulados por el profesor.

Ha muerto Otto Hahn, el 'padre de la bomba atómica' : en 1938 descubrió el procedimiento para separar los átomos del uranio.

Nota sobre la muerte del profesor Otto Hahn, el 28 de julio de 1968, premio Nobel de Química en 1994, y famoso por descubrir, en 1938, la forma de separar el átomo de uranio, dando lugar al desarrollo de la bomba atómica.

Gerardo Diego y Emilio Fernández Galiano, académicos de la española.

En la conmemoración de la admisión como nuevos miembros de la Real Academia Española, se les rinde homenaje a través de la edición de la semblanza biográfica de Gerardo Diego, escritor y poeta español y de Emilio Fernández Galiano, Doctor en Zoología, del que además se publica un listado de sus trabajos científicos publicados .

Superovulation and embryo collection in nulliparous Boer goat does immunized against a recombinant ovine alpha-subunit inhibin

With the purpose of eliciting a superovulatory response, 12 adult nulliparous Boer goat does were actively immunized against a recombinant a-subunit of ovine inhibin (roIHN-alpha; two injections of 100 mg 4 weeks apart). Another 12 control Boer goat does were treated with physiological saline and acted as controls. One year later the immunized animals were boostered by the administration of another dose (100 mg) of the immunogen. Following treatment, blood samples were collected twice weekly for the periods of 16 and 12 weeks, respectively, to monitor the inhibin binding ability with the aid of a radio-tracer binding assay. Throughout the experiment, estrus detection was conducted twice daily with the aid of an aproned intact buck. From the first day after treatment to 48 h after standing estrus, ovarian activity was monitored daily by transrectal ultrasonography. On alternate estrous cycles, does were mated and 6 days later flushed transcervically to recover embryos. All goats treated with the roIHN-alpha produced antibodies reactive to the native bovine inhibin tracer-the titre increasing from 2.9 +/- 0.4 to a maximum of 21.9 +/- 2.9% binding after the second injection. The antibody titre gradually subsided over the next 16 weeks. The booster injection restored an elevated antibody titre (11.7 +/- 0.4%), which was maintained until the end of the sampling period 12 weeks later. In the control goats only trace amounts of antibody were recorded throughout the trial. In the roIHN-alpha-immunized goats the number of follicles reaching a diameter of > 4 mm was 14.6 +/- 1.2 per doe. A positive correlation was recorded between the follicle number and antibody titre (r=0.61; P < 0.01). The number of follicles ovulating per doe (6.9 +/- 0.7) followed the same tendency-however, the proportion decreased with increasing follicle numbers. A relatively weak correlation was recorded between the inhibin binding ability and number of ovulations (r=0.27; P < 0.05). In the control goats the majority (92%) of follicles exceeding 4 mm in diameter ovulated (2.5 +/- 0.1 follicles/doe). Embryo collection proved unsatisfactory (42% versus 39% recovery for immunized and control animals, respectively)-presumably because the uterine lumen of the nulliparous does was too narrow to permit effective flushing. In the group of immunized goats the occurrence of short estrous cycles (< 15 days) recorded was 34% versus only 6% in the controls. Overall, immunization of goats against roIHN-alpha led to an almost six-fold increase in number of ovarian follicles, a three-fold increase in ovulations and, despite the low recovery rate, a more than three-fold increase in ova or embryos recovered. It may be concluded that treatment of female goats with roIHN-alpha leads to an inhibin antibody response, accompanied by enhanced ovarian activity. The response was, however, accompanied by a large proportion of retained follicles and a high incidence of short estrous cycles. These problems need to be further investigated before rendering the method fit for application in embryo transfer programs in goats. (C) 2007 Elsevier B.V. All rights reserved.

Explaining history to children: Otto and Marie Neurath’s work on the ‘Visual history of mankind’

This essay traces the development of Otto Neurath’s ideas that led to the publication of one of the first series of children’s books produced by the Isotype Institute in the late 1940s, the Visual History of Mankind. Described in its publicity material as ‘new in content’ and ‘new in method’, it embodied much of Otto Neurath’s thinking about visual education, and also coincided with other educational ideas in the UK in the 1930s and 1940s. It exemplified the Isotype Institute’s approach: teamwork, thinking about the needs of younger readers, clear explanation, and accessible content. Further, drawing on correspondence, notes and drawings from the Otto and Marie Neurath Isotype Collection at the University of Reading, the essay presents insights to the making of the books and the people involved, the costs of production and the influence of this on design decisions, and how the books were received by teachers and children.

From hieroglyphics to Isotype: a visual autobiography (Otto Neurath)

Otto Neurath (1882–1945) wrote From hieroglyphics to Isotype during the last two years of his life and this is the first publication of the text in full, carefully edited from the original manuscripts. He called it a 'visual autobiography', in which he documents the importance of visual material to him from his earliest years to his professional activity with the picture language of Isotype. Neurath draws clear links between the stimulus he received as a boy from illustrated books, toys and exhibitions to the considered work in visual education that occupied him for the last two decades of his life. This engaging and informal account gives a rich picture of Central European culture around the turn of the twentieth century, seen through the eyes of Neurath's insatiable intelligence, as well as a detailed exposition of the technique of Isotype, a milestone of modern graphic design. This edition includes the numerous illustrations intended by Neurath to accompany his text, and is completed by an extensive appendix showing examples from the rich variety of graphic material that he collected.

Otto Klitgord at 1952 Commencement

Otto Klitgord (second from left) is pictured with other guests at the Hotel St. George, site of the February 1952 commencement ceremony of the college. Otto Klitgord was the first president of the New York City College of Technology. He was named director of the New York State Institute of Applied Arts and Sciences when it was formed in the 1946 and became president in the 1950s when the administration was reorganized. Klitgord served until 1960, making his tenure as president the longest in City Tech's history.

Otto Klitgord and Andrew Clauson

Otto Klitogord (left) is depicted awarding the Hon. Andrew Clauson (right) with membership in TPS - June 26, 1952. Otto Klitgord was the first president of the New York City College of Technology. He was named director of the New York State Institute of Applied Arts and Sciences when it was formed in the 1946 and became president in the 1950s when the administration was reorganized. Klitgord served until 1960, making his tenure as president the longest in City Tech's history.

Otto Klitgord and Lawrence J. Jarvie

Otto Klitgord (left) and Lawrence Jarvie (right) are pictured at a college dinner. Otto Klitgord was the first president of the New York City College of Technology. He was named director of the New York State Institute of Applied Arts and Sciences when it was formed in the 1946 and became president in the 1950s when the administration was reorganized. Klitgord served until 1960, making his tenure as president the longest in City Tech's history.