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Proteolysis of the semi-hard cheese Herrgard made at different dairies. Exploratory study

The casein breakdown, peptide hydrolysis and accumulation of amino acids were studied in the semi-hard Swedish cheese, Herrgard produced at 3 dairies. Casein components were analysed by capillary electrophoresis, and peptide profiles as well as amino acid composition with reverse phase HPLC. Ten cheeses from the same vat of each of the 3 dairies were analysed; 5 cheeses each after 3 and 6 months o

A general asymptotic scheme for inference under order restrictions

Limit distributions for the greatest convex minorant and its derivative are considered for a general class of stochastic processes including partial sum processes and empirical processes, for independent, weakly dependent and long range dependent data. The results are applied to isotonic regression, isotonic regression after kernel smoothing, estimation of convex regression functions, and estimati

Ankle dorsiflexor muscle performance in healthy young men and women: reliability of eccentric peak torque and work measurements

The aims of this study were: (i) to assess the test-retest intrarater reliability of eccentric ankle dorsiflexor muscle performance in young healthy men and women using the Biodex dynamometer; and (ii) to examine different statistical indices for the interpretation of reliability. Thirty men and women (age 22.5 +/- 2.5 years, mean +/- S.D.) performed three maximal eccentric contractions at 30 degr

On the interaction between adsorbed layers of monoolein and the lipase action on the formed layers

We used the Surface Force Apparatus (SFA) and ellipsometry techniques to study the interaction forces and the adsorption behavior of monoolein (MO), respectively. MO was adsorbed from water to a hydrophobised mica or silica surface. In addition the effect of added lipase, Thermomyces (Humicula) lanuginosa lipase (TLL), to an adsorbed layer of MO was investigated. The force versus distance curves b

Human blood groups: inheritance and importance in transfusion medicine

Human blood group antigens are unique, inherited polymorphisms on the extracellular surface of red blood cells. They have been used as genetically discrete markers of human polymorphism since the discovery of the ABO system in 1900. Since then, many blood group antigens have been identified, the genes cloned, and their biological significance elucidated. Blood group antigens and antibodies play an

Gross nitrogen mineralization-, immobilization-, and nitrification rates as a function of soil C/N ratio and microbial activity

A laboratory experiment was designed to challenge the idea that the ON ratio of forest soils may control gross N immobilization, mineralization, and nitrification rates. Soils were collected from three deciduous forests sites varying in C/N ratio between 15 and 27. They were air-dried and rewetted to induce a burst of microbial activity. The N transformation rates were calculated from an isotope d

Direction of galvanically-induced vestibulo-postural responses during active and passive neck torsion

The direction of a postural response induced by galvanic vestibular stimulation depends on the head and trunk position. The relative importance of afferent information (proprioception) and efferent motor command/corollary discharge is unknown. We studied the direction of body sway evoked by galvanic vestibular stimulation in 9 healthy subjects during active and passive head positioning at 0 degree