858 research outputs found
Vjerodostojnost medijskih objava na javnome radiju
ZadaÄa javnih medija, tako i Hrvatskoga radija kao javnog radija, je toÄno, istinito, poÅ”teno, uravnoteženo i nepristrano izvjeÅ”tavanje, ali i stvaranje ozraÄja razumijevanja problema i poticanja javnosti na akciju. Programske aktivnosti javnoga radija ne bi smjele biti podložne nikakvoj cenzuri, ureÄivaÄka neovisnost odabira i
plasiranja vijesti trebala bi biti na prvome mjestu, a gledatelji i sluÅ”atelji oni koji Äe pratiti i ocjenjivati program. Sve to utjeÄe na vjerodostojnost medija, na Äinjenicu da pojedini medij postaje i ostaje dostojan povjerenja svojih korisnika, medij kojemu se može
vjerovati. GraÄani imaju pravo na punu i vjerodostojnu informaciju. Mediji trebaju znati poÅ”tuju li ih njihovi korisnici. Vrijednost novinarske profesije, a time i vjerodostojnost pojedinog medija, ogleda se i u provjeravanju svake informacija iz najmanje dva izvora, Å”irenju tolerancije, izbjegavanju govora mržnje i stereotipa. Vrijednost novinarske profesije oÄituje se i u nepristranosti, odnosno potpunosti informacije, svoÄenju pogreÅ”aka na najmanju moguÄu mjeru, Äuvanju kulture dijaloga. Kulturan stav primatelja u koriÅ”tenju medija je isto toliko važan kao i organizacijsko koriÅ”tenje medija ā pa je tako vjerodostojnost medija dimenzija zajedniÄkog povjerenja
Transgenic animals for production of therapeutic porteins
Proizvodnja terapeutskih proteina pomoÄu transgeniÄnih životinja zapoÄela je joÅ” 80-ih godina proÅ”log stoljeÄa, a vrlo je popularna i koriÅ”tena tehnika i dan danas. Od transgeniÄnih životinja u tu svrhu najÄeÅ”Äe se koriste miÅ”evi, koze i kokoÅ”i. Životinje se drže na izoliranim farmama ili u laboratoriju kako bi odredeni faktori poput bolesti i infekcija bili visoko kontrolirani. Postupak dobivanja transgeniÄnih životinja izrazito je delikatan i osjetljiv proces umetanja željenog transgena u genom životinje, kontroliranih križanja u svrhu dobivanja homozigotnih transgeniÄnih jedinki kao i process proÄiÅ”Äavanja dobivenog proteina. Popularna je proizvodnja proteina (antitijela i enzima) u mlijeku tj. bjelanjku jajeta zbog dobivanja velikih koliÄina proteina, te modulacije posttranslacijskih modifikacija. ProÄiÅ”Äavanje proteina se kroz viÅ”e koraka filtracija i afinitetne kromatografije, praÄenih imunoloÅ”kim mikrobioloÅ”kim i virusnim analizama. KonaÄna svrha proizvedenog terapeutskog proteina je primjena u medicinskog praksi. Stoga svaki rekombinantni protein mora proÄi kliniÄka ispitivanja i evaluaciju. Danas je proizvodnja terapeutskih proteina i dalje vrlo skup proces, Å”to predstavlja prepreku u bržem napredovanju kliniÄkih i ranijih faza razvoja proteina. Lijekove koji su na koncu uspjeli doÄi na tržiÅ”te (ATryn, Kanuma) možemo smatrati pionirima koji Äe stvoriti utaban put za nova istraživanja i poboljÅ”anja u polju proizvodnje terapeutskih proteina pomoÄu transgeniÄnih životinja.The production of therapeutic proteins in transgenic animals started in the 1980s and it is a very popular and widely used technique until today. Mouse, goats and chickens are mostly used as transgenic animals. These animals are kept in isolated farms or laboratories so that disease and infection could be controlled and minimised. The procedure of getting transgenic animals is a very delicate and sensitive process of implanting a desired transgene in the animal's genom, as well as the process of purification of that produced protein. A popular method of protein production (mostly antibodies and enzymes) is by directing it syintheis in the milk or the albumen (egg-white) of the egg of the transgenic animal. In that way large amounts of recombinant protein can be produced including the posttranslational modifications. The purification of the protein is done by many filtration steps and affinity chromatography paralleled with immunologic, microbiological and virus analysis. The final purpose of the produced therapeutic proteins is the use in the clinic. To achieve that, the protein has to pass clinical testing and evaluation. Even today, the production of a protein is an expensive process, which still presents an obstacle for faster development of new candidate proteins. Medication that have reach the market so far (e.g. Atryn, Kanuma) are considered pioneers which will pave the patht for new research and improvement of the field of therapeutic protein production in transgenic animal
OÄitovanje na prijedlog akademskih naziva za studije u podruÄju tehniÄkih znanosti
Statement About the Proposed Academic Titles for the Studies in the Field of Technical Science
Direct twisted Galois stratification
The theory ACFA admits a primitive recursive quantifier elimination
procedure. It is therefore primitive recursively decidable
Amphiphilic properties of dodecylammonium chloride/sodium 4-(1-pentylheptyl) benzenesulfonate aqueous mixtures and study of the catanionic complex
Surfactants are often used in supramolecular chemistry, due to their ability to self-organize. Surfactant molecules aggregate spontaneously and reversibly to adopt a defined intermolecular arrangement. In this work, general phase behavior, adsorption and association in aqueous mixtures of dodecylammonium chloride, DACl and sodium 4-(1-pentylheptyl)benzenesulfonate, NaDBS, were studied by a combination of techniques including surface tension and conductivity measurements, light scattering and optical microscopy. The strong synergistic properties of the system were brought out with the Regular Solution Theory.Various colloidal objects are observed in wide range of composition: conventional small vesicles, large giant multilamellar or multivesicular vesicles. An excess of NaDBS provides extremely large tubular and elongated multilamellar vesicles. The new catanionic 1:1 complex, dodecylammonium 4-(1-pentylheptyl) benzenesulfonate, formed in the equimolar conditions is a result of intramolecular charge neutralization. The thermal properties of this solid compound were examined by thermal polarizing microscopy, differential scanning calorimetry, and X-ray diffraction. The most probable ion-pair amphiphilic cluster of crystal smectic phase, at room temperature, consists of ionic groups formed in ordered layers with dodecyl chains packed into somewhat disordered layers, tilted to the layer plane
Identitet i kulturno pamÄenje u Cvitu razgovora naroda i jezika iliriÄkoga aliti rvackoga (1747) Filipa Grabovca
This article deals with the textual construction of identity and the strategy of remembrance in Cvit razgovora naroda i jezika iliriÄkoga aliti rvackoga [The Flower of Conversation of Illyrian or Croatian people and language] (1747) by Filip Grabovac. Using the imagological analytical apparatus, the phenomenon of constituting confessional (Catholic) identity and (dominant Eastern Orthodox) alterity is discussed. The analysis focuses on textual construction or representation of confessional identities, or alterities, wherein numerous value-charged expressions are present. Given the importance of the sociohistorical context in imagological research, the paper takes into account not only the history of literature, but also the history of culture. In addition to imagological treatment, Grabovacās text is also examined within the framework of cultural memory; discursive strategies of remembrance which maintain the constructed identity are analysed, firm reference points of memory and symbolic figures to which memory adheres are identified.IstraživaÄki je interes usmjeren na tekstnu konstrukciju identiteta i strategije pamÄenja u GrabovÄevu Cvitu razgovora naroda i jezika iliriÄkoga aliti rvackoga (1747). Uz pomoÄ imagoloÅ”ke analitiÄke metode obraÄuje se fenomen konstituiranja konfesionalnog (katoliÄkog) identiteta i (dominantno pravoslavnog) alteriteta. IstraživaÄki je interes stoga fokusiran na tekstnu konstrukciju ili reprezentaciju konfesionalnih identiteta, odnosno alteriteta, u kojoj se mogu uoÄiti brojni aksioloÅ”ki obojeni iskazi. Sukladno imagoloÅ”koj istraživaÄkoj paradigmi, istraživanje se, osim na književnopovijesne, oslanja i na kulturnopovijesne spoznaje. Uz imagoloÅ”ku analizu, GrabovÄev se tekst promatra i u okviru teorija kulturnoga pamÄenja, analiziraju se diskurzivne strategije pamÄenja kojima se konstruirani identitet održava, izdvajaju se Ävrste referentne toÄke pamÄenja i simboliÄke figure na koje se pamÄenje naslanja
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