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Textures are commonly used to enhance the representation of shape in non-photorealistic rendering applications such as medical drawings. Textures that have elongated linear elements appear to be superior to random textures in that they can, by the way they conform to the surface, reveal the surface shape. We observe that shape following hache marks commonly(More)
The antigens of strain AD169 of human cytomegalovirus (CMV) were extracted by various methods and at different times following the appearance of cytopathic effects (c.p.e.) in infected fibroblasts. Assay with a pooled human serum in electroimmunodiffusion (EID) revealed that the most reactive preparations were obtained by shell-freeze (SF) extraction on the(More)
Biotin-avidin enzyme-linked immunosorbent assays (ELISA) were developed to study the appearance of free antibody of the IgM, G, and A classes of immune complexes (IC) containing those classes and of antigen in the serum and urine of mice with experimentally induced, disseminated histoplasmosis (histo) over a period ranging from 4 to 64 days after infection.(More)
Crossed electroimmunodiffusion (CEID) was evaluated as a means for individualizing human blood stains by studying variations within and among individuals in 22 serum antigens in ten subjects over a four-month period. The extent of variation within an individual was determined by making CEID runs on blood stains obtained on ten different occasions and(More)
Early antigens (EA) of human cytomegalovirus extracted from cytosine arabinoside-blocked cells infected with 0.01-20 infectious units (IU)/cell were assayed with human serum by electroimmunodiffusion (EID). The number of detectable EA types increased from one to eight as the IU/cell was raised from 0.01 to 10. There was no increase in the number of EA with(More)