108 research outputs found

    A deviancia szociológiája: a társadalomtudományos normák megsértése?

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    A társadalmi patológia, majd később a deviancia szociológiája karakteresen elkülönülő részterület a szociológiatudományban. A kriminológiával rokon problémaérzékenysége, az alkalmazott társadalomtudományok közé sorolhatósága, az indirekt (vagy éppen direkt) politikai értékközvetítési pozíciója sajátos teoretikai és módszertani jellegzetességekkel ruházta föl a tudományterületet, de ugyanez – időről időre – erősen irritálttá tette a többi szociológiai tudományterület képviselőit. Tanulmányomban azt a meglepő társadalomtudományi hagyományt kívánom bemutatni, ahogyan a szociológusok „a patológusoknak” esnek, s egészen kíméletlen formában sokszor intellektuálisan abszurd vádakat fogalmaznak meg tárgyukkal vagy éppen tudományos munkásságukkal szemben – akár a személyeskedésig fajulóan is

    Az erkölcs jegyében : egyetemi botrány Hunniában a század tízes éveiben

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    Kritikai kriminológia

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    Recenzió: Borbíró Andrea, Gönczöl Katalin, Kerezsi Klára, Lévay Miklós (szerk.): Kriminológia, Budapest, 2016, Wolters Kluwer, 1031 oldal

    Temporal variability of Achnanthidium minutissimum (Kützing) Czarnecki and its relationships to chemical and hydrological features of the Torna-stream, Hungary

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    Establishment of indicator values of species used in any kind of environmental quality assessment system has been of essential importance. This need is increased in case of species that are abundant. Achanthidium minutissimum has been, inevitably, one of the most frequently occurring diatom species all over Europe. Some authors list is as r-strategist aquatic weed that idndicates disturbed environment. The aim of our study was to analyze the temporal distribution of A. minutissimum in relation to physical and chemical parameters and to evaluate the data on basis of the existing diatom indices. In 2004-2005, diatom samples were taken biweekly and water samples for chemical analyses were collected once a month in the Torna-stream, W-Hungary. The diatom assemblages showed marked seasonal distribution, and the relative abundance of the A. minutissimum also varied throughout the year. We could find no clear correlation between the relative abundance of the a. minutissimum and either the fluctuation of the nitrogen and phosphorus forms or the major ions. Instead, there was significant correlation with Si content of the water which correlated with the seasonal changes of the discharge. The relative abundance of the A. minutissimum ashowed significant positive correlation with three diatom indices (IBD, EP-D, TDI): the higher abundance of the species resulted in better water quality. Against the IPS index (which is recommended to apply for ecological status assessment of Hungarian streams) we did not find significant correlation, consequently this index does not use the A. minutissimum as a potential indicator species. Based on the data we conclude that the discharge-dependent Si content of the streamwater and the r-strategy of the species determine the distribution of the A. minutissimum; it typically reaches higher dominance after flood periods and therefore indicates natural disturbances. Since flooding is a natural phenomenon existing also in reference state, the species’ abundance can not be used to assess the antropoghenic impacts. According to most diatom sampling protocols for WFD qualification, periods after floods should be avoided. In this view we may conclude that high contribution of A. minutissimum in any sample may indicate a preceding flood and therefore such samples do not provide a reliable basis for ecological status assessment

    Arabidopsis NAP-related proteins (NRPs) are soluble nuclear proteins immobilized by heat

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    Nucleosome assembly protein-related proteins (NRPs) are multifunctional proteins having histone chaperone and phosphatase inhibitor properties. Although it is believed that these proteins are nuclear and bind the chromatin, they can be detected in the cytoplasmic but not in the nuclear protein fraction by immunoblotting analysis. It is shown here that under normal conditions, NRPs are nuclear but soluble and leak out of the nuclei during their purification. However, under elevated temperatures (above 42 degrees C), NRPs display significantly reduced mobility and are retained in the nuclei during purification probably due to binding other immobile macromolecules in the nucleus. Our observations highlight the necessity to use different techniques in parallel to unambiguously determine the intracellular localization of proteins. As heat adapted (38 degrees C, 2 h followed by 2 h recovery) and heat shocked (45 degrees C, 1 h), Arabidopsis seedlings were found to have phenotypes similar to those observed in the NRP loss-offunction mutants nrp1-1 nrp2-1 (short, branching roots, increased bleomycin sensitivity), it was also investigated whether the immobilization of NRPs by heat results in disturbed NRP functions. The results indicated, however, that heat affected the investigated traits independent on the presence of NRPs
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