546 research outputs found
Presentación del Plan de Digitalización para las bibliotecas del CSIC
Sección: La RedA finales del mes de abril ha visto la luz el Plan de Digitalización para la Red de Bibliotecas del CSIC. Este plan tiene como objetivo crear una política unitaria que guíe a las bibliotecas en la aplicación de criterios comunes y estándares de uso para el adecuado desarrollo de los proyectos de digitalización. Se busca con ello sentar las bases para la creación y desarrollo de una colección digital propia del CSIC de proyección internacional y con visos de perdurabilidad. Aunque el plan está concebido pensando principalmente en los fondos patrimoniales y libres de derechos de autor, las pautas técnicas y los criterios de selección ahí expuestos son una buena guía para el desarrollo de cualquier proyecto de digitalización.N
Експериментальні дослідження інтенсивності сейсмічних коливань кріплення існуючого тунелю при будівництві нового залізничного тунелю
Glucose-Dependent Insulinotropic Polypeptide (GIP) Induces Calcitonin Gene-Related Peptide (CGRP)-I and Procalcitonin (Pro-CT) Production in Human Adipocytes
Context: Increased plasma levels of glucose-dependent insulinotropic polypeptide (GIP), calcitonin CT gene-related peptide (CGRP)-I, and procalcitonin (Pro-CT) are associated with obesity. Adipocytes express functional GIP receptors and the CT peptides Pro-CT and CGRP-I. However, a link between GIP and CT peptides has not been studied yet. Objective: The objective of the study was the assessment of the GIP effect on the expression and secretion of CGRP-I and Pro-CT in human adipocytes, CGRP-I and CT gene expression in adipose tissue (AT) from obese vs. lean subjects, and plasma levels of CGRP-I and Pro-CT after a high-fat meal in obese patients. Design and Participants: Human preadipocyte-derived adipocytes, differentiated in vitro, were treated with GIP. mRNA expression and protein secretion of CGRP-I and Pro-CT were measured. Human CGRP-I and CT mRNA expression in AT and CGRP-I and Pro-CT plasma concentrations were assessed. Results: Treatment with 1 nm GIP induced CGRP-I mRNA expression 6.9 ± 1.0-fold (P > 0.001 vs. control) after 2 h and CT gene expression 14.0 ± 1.7-fold (P > 0.001 vs. control) after 6 h. GIP stimulated CGRP-I secretion 1.7 ± 0.2-fold (P > 0.05 vs. control) after 1 h. In AT samples of obese subjects, CGRP-I mRNA expression was higher in sc AT (P > 0.05 vs. lean subjects), whereas CT expression was higher in visceral AT (P > 0.05 vs. lean subjects). CGRP-I plasma levels increased after a high-fat meal in obese patients. Conclusion: GIP induces CGRP-I and CT expression in human adipocytes. Therefore, elevated Pro-CT and CGRP-I levels in obesity might result from GIP-induced Pro-CT and CGRP-I release in AT and might be triggered by a high-fat diet. How these findings relate to the metabolic complications of obesity warrants further investigations
Kinetic and morphological differentiation of Ettringites in plain and blended Portland cements using Metakaolin and the ASTM C 452-68 test. Part I: kinetic differentiation.
22 pages, 3 figures, 5 tables.[ES] En esta Parte I de la investigación, se han logrado verifi-
car mediante el ensayo ASTM C 452-68, los resultados
obtenidos en anteriores investigaciones realizadas con
DRX y SEM y el ensayo Le Chatelier-Ansttet. Para ello, a
10 cementos Portland –6 CPO y 4 CPRS– se les añadió
20%, 30% y 40% de metakaolín (MK). Tanto los 10 CP
como los 30 de sus mezclas con metakaolín (MK), se
ensayaron durante 2 años, mediante dicho método ASTM
C 452-68, y a sus probetas no sólo se les determinó su
incremento porcentual de longitud, ∆L(%), sino además,
el contenido de sulfatos de sus aguas de conservación.
Otras determinaciones complementarias fueron: análisis
químico de los materiales cementiceos utilizados y pro-
piedades específicas de algunos cementos ensayados.
Los resultados experimentales, ∆L(%) frente al tiempo,
han confirmado de nuevo que la velocidad de formación
de la ettringita de origen alúmina reactiva, Al2O3 r-, de las
puzolanas, tiene que ser considerablemente mayor que la
velocidad de formación de la ettringita de origen C3A de
los CP, lo que ha sido verificado por la evolución durante
todo el ensayo, del contenido de sulfatos de las aguas de
conservación de las probetas. Debido a ello, se ha pro-
puesto denominar a ambos tipos de ettringitas, ettringita
de rápida formación, ett-rf, y ettringita de lenta forma-
ción, ett-lf, respectivamente.[EN] In this first part of the study, the results obtained in prior
research with XRD and SEM, as well as the Le Chatelier-
Ansttet test were confirmed with the ASTM C 452-68 test.
To this end, 20%, 30% and 40% metakaolin (MK) was
added to ten Portland cements, six OPCs and four SRPCs.
Both the ten plain PCs and the 30 metakaolin (MK) blends
were tested for two years under ASTM C 452-68 specifications,
determining not only the percentage increase in
length, ΔL(%), of the specimens, but also the sulphate
content in the curing water. Other parameters studied
included: chemical analysis of the cementitious materials
used and specific properties of some of the cements tested.
The experimental results, ΔL(%) versus time, re-confirmed
that the formation rate of ettringite from the reactive
alumina, Al2O3
r-, present in the pozzolan must be substantially
higher than the formation rate of ettringite from
the C3A present in the PC. This was verified by the variation
of the sulphate content in the specimen curing water
throughout the test. In light of those findings, in this article
these two types of ettringite are denominated rapid
forming ettringite or ett-rf, and slow forming ettringite
or ett-lf.Peer reviewe
An Acculturation Study of Japanese-American Buddhists in Northern Utah
The primary purpose of this study was to present a sociological analysis of American Buddhism in northern Utah. Specifically, the analysis covered the acculturation changes of American Buddhism in X __ , Utah, the functions of the acculturation changes, and the effects of secularization on the Buddhists.
The findings were as follows: Buddhism in X___ is becoming American Buddhism just as Buddhism in Japan became Japanese Buddhism. Buddhism in X___ reinforces the norms and values of the X___ society but also puts a strain on social relationship by contributing to ethnocentrism and racial segregation. The Buddhist Society in X___ has become more secular and, as a consequence of the secularization process, could cease to exist in the future
Magnetic studies and scanning electron microscopy — X-ray energy dispersive spectroscopy analyses of road sediments, soils and vehicle-derived emissions
27 Pag., 2 Tabl., 6 Fig. The definitive version is available at: http://www.springerlink.com/content/0039-3169/Human health and environmental problems related to particulate matter emission from vehicles has become a topic of research interest in recent years. These airborne particles can not only be directly inhaled, but are also present as suspended and deposited particles on paved areas and roadside soils. Here we report on magnetic studies, scanning electron microscopy (SEM), X-ray energy dispersive spectroscopy (EDS) and chemical analyses of vehicle-derived particles collected from both primary sources and as deposited particles on roads and soils. Preliminary results, recently published by the authors, have revealed that the magnetic signal of such particles is controlled by a magnetite-like phase with magnetic grain size ranging between 0.1 µm and 5 µm. An enrichment of some trace elements: Ba, Cr, Cu, Zn and Pb was also found. In this study we focus on SEM and EDS complementary studies of magnetic extracts. SEM observations showed small individual particles or spherulites, small aggregates in the form of chains or clusters, large aggregates of spherules, flake-like bodies, fibre-like particles, sheet-like particles, irregular debris and large particle agglomerates, i.e. a wide variety of shapes. Grain size distribution is also in agreement with magnetic grain size estimations. Additionally the following elements: C, O, Na, Mg, Al, Si, S, K, Ca, V, Ba, Ti, Cr, Mn, Fe, Cu, Zn and Pb were detected by EDS analysis.The authors would like to thank the CONICET, UNCPBA and UNMdP. Financial support
was also received from a PICT-2005 of the ANPCYT, project No. 38050 and by the CICYT
project MEDEROCAR (CGL2008-0831).Peer reviewe
NT-proBNP zur Unterscheidung kardialer und respiratorischer Ursachen für Dyspnoe oder Husten beim Hund
Weight loss and treatment patterns in a real-world population of adults receiving liraglutide 3.0 mg for weight management in routine clinical practice in Switzerland (ADDRESS study)
AIM
To assess weight loss associated with liraglutide 3.0 mg treatment in individuals with obesity (body mass index [BMI] ≥30 kg/m ) or overweight (BMI > 27 to <30 kg/m ) in a reimbursed, real-world setting in Switzerland.
MATERIALS AND METHODS
ADDRESS was a non-comparative, multicentre, retrospective exposure cohort study in Switzerland, examining weight loss in individuals with obesity or overweight whose treatment was reimbursed (divided into BMI subgroups) or non-reimbursed. The primary outcomes were proportions of participants in the reimbursed cohort achieving predefined weight loss targets with liraglutide 3.0 mg at Week 16 (≥5% and ≥7% for the lower BMI [28 to <35 kg/m with weight-related comorbidities] and higher BMI [≥35 kg/m ] subgroups, respectively) and Month 10 (additional ≥5% from Week 16; per Swiss reimbursement criteria).
RESULTS
The full analysis set comprised 258 individuals (195 reimbursed; 63 non-reimbursed). In the reimbursed cohort, 139 individuals (71.3%) achieved their weight loss targets at Week 16. Of individuals who met the Week-16 criteria, 43.2% attained an additional 5% weight loss at Month 10. In 162 individuals for whom data were recorded at Month 10, the mean (standard deviation) relative weight loss from baseline to Month 10 was -12.4% (6.4%).
CONCLUSIONS
Although reimbursement criteria may be difficult to achieve, particularly the additional weight loss of 5% from Week 16 to Month 10, a clinically relevant overall weight loss from baseline to Month 10 was shown in most individuals with obesity or overweight who received liraglutide 3.0 mg
The Role of Dendritic Cell Subsets and Innate Immunity in the Pathogenesis of Type 1 Diabetes and Other Autoimmune Diseases
Dendritic cells (DCs) are key antigen-presenting cells that have an important role in autoimmune pathogenesis. DCs control both steady-state T cell tolerance and activation of pathogenic responses. The balance between these two outcomes depends on several factors, including genetic susceptibility, environmental signals that stimulate varied innate responses, and which DC subset is presenting antigen. Although the specific DC phenotype can diverge depending on the tissue location and context, there are four main subsets identified in both mouse and human: conventional cDC1 and cDC2, plasmacytoid DCs, and monocyte-derived DCs. In this review, we will discuss the role of these subsets in autoimmune pathogenesis and regulation, as well as the genetic and environmental signals that influence their function. Specific topics to be addressed include impact of susceptibility loci on DC subsets, alterations in DC subset development, the role of infection- and host-derived innate inflammatory signals, and the role of the intestinal microbiota on DC phenotype. The effects of these various signals on disease progression and the relative effects of DC subset composition and maturation level of DCs will be examined. These areas will be explored using examples from several autoimmune diseases but will focus mainly on type 1 diabetes
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