Conditional identity in distribution (Berti et al. (2004)) is a new type of dependence for random variables, which generalizes the well-known notion of exchangeability. In this paper, a class of random sequences, called Generalized Species Sampling Sequences, is defined and a condition to have conditional identity in distribution is given. Moreover, a class of generalized species sampling seque...

A geometric optics approach including surface wave contributions has been developed for homogeneous and concentrically coated spheres. In this approach, a ray-by-ray tracing program was used for efficient computation of the extinction and absorption cross sections. The present geometric-optics surface-wave (GOS) theory for light scattering by spheres considers the surface wave contribution alon...

In this work maltodextrins were added to commercial galacto-oligosaccharides (GOS) in a 1:1 ratio and their thermophysical characteristics were analyzed. GOS:MD solutions were then used as matrices during spray-drying of Lactobacillus plantarum CIDCA 83114. The obtained powders were equilibrated at different relative humidities (RH) and stored at 5 and 20°C for 12 weeks, or at 30°C for 6 weeks....

PURPOSE To audit the information included on GOS 18 forms used by UK optometrists when referring patients to an ophthalmologist. METHODS All GOS 18 forms received in a hospital ophthalmology department over a 10-week period were photocopied and the categories of information presented were recorded. RESULTS A total of 444 forms were analysed. The two most common referral categories were cata...

Lu2SiO5: Ce (LSO) scintillator is a relatively new luminescent material which has been successfully applied in positron emission tomography systems. Since it has been recently commercially available in powder form, it could be of value to investigate its performance for use in x-ray projection imaging as both physical and scintillating properties indicate a promising material for such applicati...

Galacto-oligosaccharides (GOS), increasingly popular prebiotics, are synthesized by enzymatic conversion of lactose. Among others, the total production costs significantly influenced costly enzyme. Therefore, it was investigated if reuse and full recovery enzyme is feasible, followed development a semi-continuous process in order to maintain consistent high GOS yield. As preliminary step, enzym...

Cognitive radio (CR) is an exciting technology to solve the spectrum scarcity problem in future cellular networks. As grade-of-service (GoS) performances directly reflect user's experiences cognitive networks (CCNs), GoS performance analysis of OSA scheme CCNs has attracted much attention. In this article, we derive metrics with a three-dimension continuous-time Markov chain (CTMC) model opport...