leukemic spleen (11). It therefore seemed desirable to determine the nucleic acid content of uncontaminated nuclei. Since in leukemia the PNA is also elevated in the cytoplasm (11), a method for the separation of nuclei in a neutral medium in which contamination with cytoplasmic nucleoprotein should be minimal was developed. The isola tion and analysis of nuclei from normal spleen have been rep...

leukemic spleen (11). It therefore seemed desirable to determine the nucleic acid content of uncontaminated nuclei. Since in leukemia the PNA is also elevated in the cytoplasm (11), a method for the separation of nuclei in a neutral medium in which contamination with cytoplasmic nucleoprotein should be minimal was developed. The isola tion and analysis of nuclei from normal spleen have been rep...

A dimeric esterase of a lycaenid butterfly shows rich, electrophoretically-detectable variation in natural populations in Texas. This isozyme variation is controlled by multiple alleles at an autosomal locus (Es-d). In each population sampled there are 9-14 alleles, two of which (Es-d(100) and Es-d(80)) predominate and form about 84% of the gene pool. Against the background of numerous rarer al...

In this paper we prove a nontrivial lower bound for the determinant of the covariance matrix of quantum mechanical observables, which was conjectured by Gibilisco, Isola and Imparato. The lower bound is given in terms of the commutator of the state and the observables and their scalar product, which is generated by an arbitrary symmetric operator monotone function. Introduction The basic object...