985 resultados para One-pot Conversion
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Resorting to four waves of the European Community Household Panel, this research explores the association between temporary employment and the likelihood of being over-educated. Such an association has been largely ignored by the literature explaining over-education, more inclined to attribute such a mismatch to the system of education. Selecting three similarly standarised and stratified systems of education (France, Italy and Spain) and controlling for many other variables likely to affect over-education, like gender, age, tenure, job change, firm size or sector, the paper demonstrates that such an association between temporary employment and over-education exists. Being a stepping stone towards a more stable and adjusted position in the labour market, holding a temporary employment may be associated to a higher likelihood of being over-educated. Such an association is more likely in Italy and France. Yet, the opposite sign prevails where permanent employment becomes such a valuable asset as to make individuals trade human capital by employment security. This is the case of Spain.
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Nearly full-length Circumsporozoite protein (CSP) from Plasmodium falciparum, the C-terminal fragments from both P. falciparm and P. yoelii CSP and a fragment comprising 351 amino acids of P.vivax MSPI were expressed in the slime mold Dictyostelium discoideum. Discoidin-tag expression vectors allowed both high yields of these proteins and their purification by a nearly single-step procedure. We exploited the galactose binding activity of Discoidin Ia to separate the fusion proteins by affinity chromatography on Sepharose-4B columns. Inclusion of a thrombin recognition site allowed cleavage of the Discoidin-tag from the fusion protein. Partial secretion of the protein was obtained via an ER independent pathway, whereas routing the recombinant proteins to the ER resulted in glycosylation and retention. Yields of proteins ranged from 0.08 to 3 mg l(-1) depending on the protein sequence and the purification conditions. The recognition of purified MSPI by sera from P. vivax malaria patients was used to confirm the native conformation of the protein expressed in Dictyostelium. The simple purification procedure described here, based on Sepharose-4B, should facilitate the expression and the large-scale purification of various Plasmodium polypeptides.
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Under the Dynamic Model of Multilingualism multilinguals are especially vulnerable to language attrition. It was the aim of the present study to verify if this was the case and to observe whether the different linguistic skills (receptive vs. descriptive) and the different linguistic levels (syntactic, lexical, morphological, etc.) would be affected equally.Data were gathered longitudinally by means of a language test for the subject’s reading, writing, listening and speaking skills as well as her knowledge of grammar and vocabulary. Although the overall accuracy remained intact and no proof for attrition in the receptive skills was found, the productive skills - mainly fluency - were shown to have suffered from language attrition. This was demonstrated by an increase in the number of pauses, hesitations, repetitions and self-corrections among others and decrease in the percentage of error-free clauses and decrease in the clause length, in oral and written fluency respectively.
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Tots hem sentit a parlar del canvi del Raval en aquests últims anys. Actualment la majoria del jovent no només hi estudia sinó que hi passa la major part del seu tempsd’oci, en bars, restaurants, museus, galeries d’art, comerços...Nosaltres ens hem preguntat: Per què el Raval ha canviat tant? S’han fet molts treballs, molts estudis, s’han intentat trobar les diverses causes que han produït aquest fenòmen.Més específicament ens hem preguntat: Pot ser que degut a la construcció del cluster cultural format pel MACBA i el CCCB, entre d’altres, s’hagi produït aquest canvi?Així doncs, en aquest treball intentarem contestar ambdues preguntes. Intentarem ser precisos, concisos, breus i clars; esperem que us resulti interessant.
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Executive Orders from Governor Hughes. Code of Fair Practices
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Executive Orders from Governor Ray. Establish the Iowa Governor's Economy Committee
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Establish the Iowa High Technology Commission.
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Creating and establishing the voluntrary Iowa Council for Children which will be responsible to the Governor.
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Renew mandate of voluntary Iowa Council for Children.
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Establish the Statistical Analysis Center in the Office of Planning and Programming
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Appoint an advisory commission on corrections in Iowa.
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Establishes a Library Service Advisory Council.
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Rename Iowa Refugee Service Center as Bureau of Refugee Programs and place it administratively in the Department of Human Services.