International aspects of biotechnology Lynton K. Caldwell Guest Editorial and Review Pages: 245 - 258
Rapid method for isolation and purification of protoplasts from epidermal tissue ofVicia faba L. leaves Laura P. ZanelloNestor R. CurvettoFrancisco J. Barrantes Research Papers Pages: 275 - 283
Ecology of microalgae in a high rate pond for piggery effluent purification in Singapore Tiow-Suan SimAnthony Goh Research Papers Pages: 285 - 297
Methane fermentation of water hyacinth: effect of solids concentration and inoculum source H. A. DirarH. B. El Amin Research Papers Pages: 299 - 312
Methane fermentation of water hyacinth: effect of retention time and temperature H. B. El AminH. A. Dirar Research Papers Pages: 313 - 326
Purification and some properties of a thermostable protease ofThermoactinomyces thalpophilus F. J. C. OdiboS. K. C. Obi Research Papers Pages: 327 - 332
Incidence and enterotoxigenicity of enterotoxigenic (Escherichia coli) from uncooked meat sausages L. K. GuptaI. M. WadhawanR. P. Tiwari Research Papers Pages: 333 - 337
Higher protective activity of Fab' fragment compared to F(ab')2 and IgG on experimental tetanus Celidéia A. C. VazH. FerreiraVera L. G. Calich Research Papers Pages: 339 - 348
The viability and infectivity ofToxocara canis infective larvae after a prolonged period of storage at different temperatures Abdul-Rahman A. Al-TaeNada M. Al-Bashir Research Papers Pages: 349 - 355
A single-step purification of an extracellular fungal laccase E. GrotewoldG. E. TaccioliN. D. Judewicz Research Papers Pages: 357 - 363
Nitrogen fixation in bambara groundnut,Voandzeia subterranea (L.) Thouars Mamadou GueyeLucien M. Bordeleau Research Papers Pages: 365 - 375