References
- Petricciani , J. C. 1995 . The acceptability of continuous cell lines: a personal and historical perspective . Cytotechnology , 18 : 9 – 13 .
- 1997 . Report on the WHO Expert Committee on Biological Standardization . WHO Weekly Epidemiological Record , 72 : 141 – 145 .
- Matsumae , H. , Minobe , S. , Kindan , K. , Watanabe , T. , Sato , T. and Tosa , T. 1990 . Specific removal of endotoxin from protein solutions by immobilized histidine . Biotechnol. Appl. Biochem. , 12 : 129 – 140 .
- Hirayama , C. , Ihara , H. and Ida , J. Method for preparing granular porous chitosan. Eur. . Patent 0345017 . 1994 .
- Adachi , T. , Ida , J. , Wakitra , M. , Hashimoto , M. , Ihara , H. and Hirayama , C. 1999 . Preparation of spherical and porous chitosan particles by suspension evaporation with O/W/O multiple emulsions . Polym. J. , 31 : 319 – 323 .
- Hirayama , C. , Sakata , M. , Moriguchi , K. , Mizokami , H. , Ihara , H. and Ohkuma , K. 1998 . Pore‐size controlled and aminated poly(γ‐methyl L‐glutamate) particles for selective removal of nucleic acids . Polym. J. , 30 : 616 – 621 .
- Hirayama , C. , Sakata , M. , Yugawa , Y. and Ihara , H. 1994 . Cross‐linked N,N‐dimethylaminopropylacrylamide spherical particles for selective removal of endotoxin . J. Chromatogr. A , 676 : 267 – 275 .
- Unsal , E. , Bahar , T. , Tuncel , M. and Tuncel , A. 2000 . DNA adsorption onto polyethyleneimine‐attached poly( p‐chloromethylstyrene beads . J. Chromatogr. A , 898 : 167 – 177 .
- Brunk , C. F. , Jones , K. C. and James , T. W. 1979 . Assay for nanogram quantities of DNA in cellular homogenates . Anal. Biochem. , 92 : 497 – 500 .
- Hirayama , C. , Ihara , H. , Nagaoka , S. , Furusawa , H. and Tsuruta , S. 1990 . Regulation of pore‐size distribution of poly(γ‐methyl L‐glutamate) spheres as a gel permeation chromatography packings . Polym. J. , 22 : 614 – 619 .
- Paul , J. H. and Myers , B. 1982 . Fluorometric determination of DNA in aquatic microorganism by use of Hoechst 33258 . Appl. Environ. Microbiol. , 43 : 1393 – 1399 .
- Hirayama , C. , Sakata , M. , Ihara , H. , Ohkuma , K. and Iwatsuki , M. 1992 . Effect of the pore size of an aminated poly(γ‐methyl L‐glutamate) adsorbent on selective removal of endotoxin . Anal. Sci. , 8 : 805 – 810 .