QUALINET white paper on definitions of Immersive Media Experience (IMEx)

With the coming of age of virtual/augmented reality and interactive media, numerous definitions, frameworks, and models of immersion have emerged across different fields ranging from computer graphics to literary works. Immersion is oftentimes used interchangeably with presence as both concepts are closely related. However, there are noticeable interdisciplinary differences regarding definitions, scope, and constituents that are required to be addressed so that a coherent understanding of the concepts can be achieved. Such consensus is vital for paving the directionality of the future of immersive media experiences (IMEx) and all related matters. The aim of this white paper is to provide a survey of definitions of immersion and presence which leads to a definition of immersive media experience (IMEx). The Quality of Experience (QoE) for immersive media is described by establishing a relationship between the concepts of QoE and IMEx followed by application areas of immersive media experience. Influencing factors on immersive media experience are elaborated as well as the assessment of immersive media experience. Finally, standardization activities related to IMEx are highlighted and the white paper is concluded with an outlook related to future developments

Evaluation of dormance sunflower seed lots

U Laboratoriji za ispitivaje semena Instituta za kukuruz Zemun Polje, u toku redovnog ispitivanja klijavosti semena suncokreta, uoĉeno je kod dve partije semena veliki broj neklijalog semena. Seme je stavljeno na naklijavanje dva puta sa razliĉitim temperaturnim režimom. U toku prvog ispitivanja seme je stavljeno na klijanje metodom između filter papira, hlađenje semena je trajalo 6 dana, energija klijanja je oĉitana ĉetvrtog dana a ukupna klijavost desetog dana. Seme je naklijavano u klijalištu na 200C sa režmom svetlosti 8 sati dan, 16 sati noć. U toku drugog ispitivanja, seme suncokreta je postavljeno na klijanje istom metodom između filter papira, hlađeno je 6 dana, energija klijanja je oĉitana ĉetvrti dan a završna klijavost deseti dan. Naklijavanje je obavljeno u sobi klijalištu na naizmeniĉnoj temperaturi 20300C, sa svetlosnim režimom 8 sati dan, 16 sati noć. Urađen je i TTZ - tetrazolium test. Analizom dobijenih rezultata uoĉeno je da na kraju prvog ispitivanja izdvojen veliki broj neklijalog semena koje je bilo sveže bez simptoma bolesti. Na kraju drugog ispitivanja taj procenat je bio manji u odnosu na prvo ispitivanje. Naklijavanje semena na većoj, naizmeniĉnoj temperaturi 20300C, u toku drugog ispitivanja, smanjilo je broj neklijalog semena. TTZ testom je potvrđena vitalnost neklijalog semena.A great number of nongerminated sunflower seed of two lots were observed during regular testing in the Seed Testing Laboratory of the Maize Research Institute, Zemun Polje. Seeds were germinated twice under different temperature regimes. In the course of the first test, seeds were germinated between filter paper, cooling lasted 6 days, the first count was done on the fourth day, while total germination was determined on the 10th day. Seeds were germinated in the germination cabinet at 200oC with 8 h (light) to16 h (night) regime. In the course of the second test, the method applied was the same: sunflower seeds were germinated between filter paper, cooling lasted 6 days, the first count was done on the fourth day, while total germination was determined on the 10th day. Germination was performed in the germination cabinet at the alternating temperature of 20300oC, and the light regime of 8 h (light) to16 h (night). The TTZ -tetrazolium test was also performed. The analysis of obtained results showed that a great number of nongermination, but fresh and disease-free seeds were detected at the end of the first test. The corresponding percentage at the end of the second test was smaller. Seed germination at higher, alternating temperatures of 20300oC, in the course of the second test, reduced the number of nongerminated seeds. Seed viability was confirmed by the TTZ test

A contribution to pharmaceutical biology of freshwater sponges

<p><i>In vitro</i> anti-tumour and anti-radical activities of the acetone extract of the freshwater sponge <i>Ochridaspongia rotunda</i> were the subject of this study. The extract was found to be highly cytotoxic to human lung tumour cell line A-549 reaching IC₅₀ value of 5.01 ± 0.21 μg/mL. Indeed, it displayed only 2-fold less anti-tumour activity than doxorubicin (IC₅₀ value 2.42 ± 0.13 μg/mL) used as a positive control. The same extract was also found to be almost 37-fold more selective against A-549 vs. MRC-5 (normal) lung cells, in difference to weak selectivity of doxorubicin (less than 3-fold). Its profound anti-DPPH radical activity comparable to that of quercetin (IC₅₀ values 3.68 ± 0.19 and 3.14 ± 0.09 μg/mL, respectively) coupled with no signs of genotoxicity in the comet assay (MRC-5 cell line, vs. doxorubicin) has actually implicated the importance of this animal bioresource in searching for pharmaceutically useful bioactive compounds of natural origin.</p

The effect of lichenocin 50.2 and BGBU1-4 crude extract on biofilm formation of <i>L</i>. <i>Monocytogenes</i>.

<p>The effect of subinhibitory concentrations (1/2–1/256 X MIC) of lichenocin 50.2 (2a) and BGBU1-4 crude extract (2b) on biofilm formation of <i>L</i>. <i>monocytogenes</i>. Results are presented as mean OD ± standard deviation; Category +, weak biofilm producer; Category ++, moderate biofilm producer; Category +++, strong biofilm producer; * p<0.05, ** p<0.01. Control–biofilm density of bacteria cultivated in medium without presence of bacteriocins.</p

Minimal inhibitory concentrations of licheniocin 50.2 and BGBU1-4 crude extract and category of biofilm formation by coagulase negative staphylococci and <i>Listeria monocytogenes</i> clinical isolates.

<p>Minimal inhibitory concentrations of licheniocin 50.2 and BGBU1-4 crude extract and category of biofilm formation by coagulase negative staphylococci and <i>Listeria monocytogenes</i> clinical isolates.</p

Probing the role of interfacial waters in protein-DNA recognition using a hybrid implicit/explicit solvation model

With the coming of age of virtual/augmented reality and interactive media, numerous definitions, frameworks, and models of immersion have emerged across different fields ranging from computer graphics to literary works. Immersion is oftentimes used interchangeably with presence as both concepts are closely related. However, there are noticeable interdisciplinary differences regarding definitions, scope, and constituents that are required to be addressed so that a coherent understanding of the concepts can be achieved. Such consensus is vital for paving the directionality of the future of immersive media experiences (IMEx) and all related matters. The aim of this white paper is to provide a survey of definitions of immersion and presence which leads to a definition of immersive media experience (IMEx). The Quality of Experience (QoE) for immersive media is described by establishing a relationship between the concepts of QoE and IMEx followed by application areas of immersive media experience. Influencing factors on immersive media experience are elaborated as well as the assessment of immersive media experience. Finally, standardization activities related to IMEx are highlighted and the white paper is concluded with an outlook related to future developments