The density profiles of liquid-gas interfaces of binary mixtures are determined by xray reflectivity measurements. The surface tension γ is calculated from the measured data in the framework of the capillary waves theory. It is demonstrated that gradient theory can be used to investigate the van der Waals interaction between the different constituents of the liquid. The determination of Lennard...

The light (L) polypeptide chains of the human T-globulins carry antigenic determinants designated as group 1 or 2 (1-3). Allotypic determinants designated InV have been found in association with the L chains of 3,,-globulin (4). Natural ly occurring human ant ibody directed toward L chain determinants has been described in detail only for the InV antigens (5). The present studies utilize human ...

The first principle guiding our understanding of how migration affects population dynamics is philopatry. Harden Jones (1968) codified philopatry as the migration triangle, a series of seasonal and ontogenetic migrations arranged to guarantee homing and reproduction at localized spawning grounds. The concept of philopatry has supported the assumption of closed populations and allowed important ...

A study of 14 personal patients and 16 others in the literature shows that (1) IgD myelomatosis often presents at a significantly younger age than other forms of myelomatosis, and (2) during life extraosseous tumour can be detected in about two-thirds of these patients.The IgD form represents 1.5% of myelomatosis and shows an increased incidence of osteolytic lesions, hypercalcaemia, and renal ...

A case of plasma cell myeloma initially producing Bence Jones protein of lambda type was presented. BJ protein disappeared within two months of cyclophosphamide and betamethasone administration. A complete remission continued for the following 2 years and 8 months with no medication, although the patient insidiously developed osteolytic lesions. The discrepancy of long-term negative BJP and cli...

A cytological, cytochemical, and cytometric study of plasma cells from 195 cases of multiple myeloma showed that, contrary to earlier reports, flaming cells, thesaurocytes, and intranuclear inclusions are not confined to IgA-secreting cases but are common also in IgG and Bence Jones varieties of myeloma. IgA-secreting cells are not larger, nor do they have a lower nuclear cytoplasmic ratio than...

A patient with a 10 year history of monoclonal gammopathy of undetermined significance and Bence Jones proteinuria, and a 44 year history of ankylosing spondylitis, developed a nephrotic syndrome secondary to renal amyloidosis. Clinically the amyloidosis was ascribed to Bence Jones proteinuria rather than to the burnt out ankylosing spondylitis. However, histochemical and immunofluorescence sta...

A new approach to mean-variance efficient portfolio selection is introduced. The method is based on realized regression theory and the regression based portfolio selection approach of Britten-Jones (1999), yielding a conditional version of the Britten-Jones (1999) method. Some of the noticeable results of the paper are as follows. Firstly, the monetary union may have had a much less important i...