This is a joint work with Andro Mikelić (University of Lyon 1, France), Josip Tambača (University of Zagreb, Croatia), Giovanna Guidoboni (University of Houston, USA), Dr. Craig Hartley (Baylor College of Medicine, USA), Dr. Doreen Rosenstrauch (Texas Heart Institute and The University of Texas Health Science Center at Houston, USA), and Dr. Z. Krajcer (Texas Heart Institute and St. Luke’s Epis...

On most adrenergic and cholinergic nerve terminals, prejunctional α-adrenoceptors belonging to the α2-subtype have been identified. Activation of these receptors will decrease the release of norepinephrine. It has been reported that several isolated tissue preparations contain prejunctional dopamine receptors, the stimulation of which inhibits neurotransmission. It has remained uncertain whethe...

in this study granulocyte-macrophage colony stimulating factor (csf) was prepared from rabbit and guinea pig lung tissues. the biological activity of these csfs was measured on semisolid agar culture and compared with those of mouse and rat. weight of animals, incubation time and cross-reactivity of csfs with different bone marrow sources were also investigated. the results showed that both rab...

BACKGROUND Allergic sensitization and reactions to guinea pig (Cavia porcellus) have been well documented in laboratory animal handlers, primarily manifesting as rhinitis, conjunctivitis, and asthma. Severe allergic reactions, however, are rare. METHODS We report two patients with severe allergic reactions following non-occupational exposure to guinea pigs. The first patient, an 11-year-old f...

Koffka's (1935, pp. 224-235) explanation of shape-constancy is based on the assumption of an invariant linkage between slant and shape. Koffka's hypothesis has been formulated in the following way by Beck and Gibson (1955): "A retinal projection of a given form determines a unique relation of apparent shape to apparent slant" (p. 126). The invariance hypothesis requires that perceived shape var...

In this study the general algorithm for the fractionalization of the linear cyclic integral transforms is established. It is shown that there are an infinite number of continuous fractional transforms related to a given cyclic integral transform. The main properties of the fractional transforms used in optics are considered. As an example, two different types of fractional Hartley transform are...

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