Biohydrometallurgical technologies : proceedings of an International Biohydrometallurgy Symposium held in Jackson Hole, Wyoming, USA, August 22-25, 1993

목차 (Table of Contents)

• CONTENTS
• VOLUME Ⅰ Bioleaching Processes
• Application of the Bacterial Thin Layer Leaching Process to Quebrada Blanca Ores / R. Montealegre ; S. Bustos ; J. Rojas ; H. Neuburg ; C. Araya ; H. Ya$${\tilde n}$$ez ; R. Tapia ; J. Rauld = 1
• In - situ Bioleaching of metal Sulfides : The Importance of Leptospirillum ferrooxidans / W. Sand ; T. Gehrke ; R. Hallmann ; K. Rohde ; B. Sobotke ; S. Wentzien = 15
• Mesophilic versus Moderate Thermophilic Bioleaching / X. Liu ; S. Petersson ; Å. Sandstr$${\ddot o}$$m = 29
• Bioleaching of Rare - Earth - Bearing Phosphogypsum / A. W. L. Dudeney ; M. L. Sbai = 39
• Nickel Extraction Potential Using Biological Techniques on Agglomerated Material in a Heap or Vat Leach Process / L. Amaratunga ; P. Tackaberry ; V. I. Lakshmanan ; W. D. Gould ; G. Heinrich = 47
• Investigations Using Large Size Percolators for Microbial Leaching of Low - Grade Ores / I. Laz$$\mathord{\buildrel{\lower3pt\hbox{$\scriptscriptstyle\smile$}}\over a} $$rz ; M. Toniuc ; F. V. Popea ; I. Velea = 57
• Continuous Bioleaching of Mineral Sulphides / M. T. Corral ; F. Gonz$${a'}$$lez ; M. L. Blazquez ; A. Ballester ; J. A. Munoz = 65
• Hydrogeological Evaluation of an In - situ Leach Cell in Abandoned Mine and mill Wastes at the Kellogg, Idaho Superfund Site / F. E. Kirschner Jr. ; R. E. Williams = 77
• Column bioleaching of Old and Fresh Copper flotation Tailings from El Teniente / H. Brice$${\tilde n}$$o ; M. C. Rossi ; R. Montoya = 89
• Copper Leaching from Industrial Wastes by Heterotrophic Microorganisms / M. Hahn ; S. Willscher ; G. Straube = 99
• Sulfur and Sulfide Oxidation by Thiobacillus thiooxidans / I. Suzuki ; C. W. Chan ; R. Vilar ; T. L. Takeuchi = 109
• The Microbiological Leaching of a Sulphidic Copper Ore in a Strongly Saline Medium(Ⅰ) : Shakeflask and Column Studies / B. J. Y. Leong ; D. B. Dreisinger ; M. Lo ; R. Branion ; R. P. Hackl ; L. S. Gormely ; D. R. Crombie = 117
• Mineralogical Characterization of Residues from a Microbiologically Leached Copper Sulphide Ore / J. M. Melluish ; L. A. Groat ; D. B. Dreisinger ; R. Branion ; B. J. Y. Leong ; D. R. Crombie = 127
• Amenability Studies of Complex Sulphide Ores from Various Indian Mines / A. G. Menon ; S. R. Dave = 137
• Study of the Bioleaching of a cobaltiferrous Pyritic Concentrate / D. Morin ; F. Battaglia ; P. Ollivier = 147
• The Feasibility of Nickel and Vanadium Recovery from a Filter Dust of a Combustion Furnace / H. Strasser ; H. Brunner ; F. Schinner = 157
• Surface Oxidized Species, a Key Factor in the Study of Bioleaching Processes : Part Ⅰ : An Approach to Spatial Distribution of Iron and Sulphur Species Present on Pyrite Surface / P. de Donato ; C. Mustin ; R. Benoit ; R. Erre = 163
• Surface Oxidized Species, a Key Factor in the Study of Bioleaching Processes : Part Ⅱ : Investigation of Superficial Oxidized Species Developed during the Bacterial Oxidation of Pyrite by Thiobacillus ferrooxidans / C. Mustin ; P. de Donato ; J. Berthelin = 175
• Biohydrometallurgical Operations / A. Sen ; R. C. Gupta ; M. S. Prasad ; N. Ramesh ; S. K. Ray ; K. Pal = 185
• Bioleaching of a Copper Concentrate with Sulfolobus BC / B. Escobar ; J. M. Casas ; J. Mamani ; R. Badilla - Ohlbaum = 195
• Bacterial Leaching of Sulfide Tailings in an Airlift Bioreactor / L. M. Barrette ; D. Couillard = 205
• Mechanisms and Rate Limiting Steps in Bioleaching of Sphalerite, Chalcopyrite and Pyrite with Thiobacillus Ferrooxidans / M. Boon ; J. J. Heijnen = 217
• Oxygen Transfer from Air in the Delft Inclined Plate(DIP) Bioreactor / G. Van Weert ; J. A. Snoeck = 237
• Modelling of Bioleaching from Low - Grade Copper Sulphide Ore / J. M. Casas ; T. Vargas ; J. Martinez ; L. Moreno = 249
• A Biochemical Engineering Approach to the Bioleaching of Pyrite in Batch and Continuous Tank Reactors / Y. Konishi ; S. Asai = 259
• Factorial Experiments in the Development of a Pyrolusite Bioleaching Process Using Heterotrophic Cultures / F. Veglio ; M. Terreri ; L. Toro = 269
• Bacterial Transformation of Manganese Oxide Minerals and Their Bimineral Mixtures / M. Serebrjanaja ; L. Yakhontova ; L. petrova = 277
• Biohydrometallurgy of Low - Grade, Carbonate Bearing Sandstone Uranium Ore / A. M. khalid ; M. A. Anwar ; A. M. Shemsi ; G. Niazi ; K. Akhtar = 285
• Kinetics of Lithium Extraction from Spodumene by Organic Acids Produced by Aspergillus niger / E. Ilgar ; R. Guay ; A. E. Torma = 293
• Weathering of Mica Minerals in Bioleaching Processes / T. M. Bhatti ; J. M. Bigham ; A. Vuorinen ; O. H. Tuovinen = 303
• Biological Oxidation of a Platinum - Group Metal Flotation Concentrate and Converter Matte / D. L. Langhans ; E. G. Baglin = 315
• Metal Leaching with Fungi / W. Burgstaller ; f. Schinner = 325
• The Bio - Liberation of Gallium and Associated Metals from Gallium Arsenide Ore and Semiconductor Wafers / G. Bowers - Irons ; R. Pryor ; T. Bowers - Irons ; M. Glass ; C. Welsh ; R. Blake = 335
• The Effects of Ultrasonics on the Bioleaching of Laterites / I. I. Tarasova ; N. N. Khavski ; A. W. L. Dudeney = 357
• Mechanism for the Development of Nickel Tolerance in Penicillium simplicissimum Involved in Microbial Leaching / P. Tantiwachwuttikul ; A. W. L. Dudeney ; D. J. Leak = 363
• Bioleaching of Lateritic Nickel Ore Using an Indigenous Microflora / L. B. Sukla ; V. V. Panchanadikar = 373
• Microbial Coal Depyritization : Why and How? / G. F. Andrews ; C. J. Stevens ; A. Glenn ; K. S. Noah = 381
• Biodesulfurization of Coal Containing Finely Disseminated Pyrite : Evidence for an Indirect Mechanism of Bioleaching / G. J. Olson = 393
• Bioreactor Design and Scaleup Applications in Minerals Bioleaching / T. Oolman = 401
• Extraction of Gold and Silver from Oxide Ores by Means of a Combined Biological and Chemical Leaching / S. N. Groudev ; V. I. Groudeva ; I. I. Spasova = 417
• Microbial Deactivation of Preg - Robbing Carbon in Gold Ore / C. F. Kulpa ; J. A. Brierley = 427
• Biooxidation - Heap Concept for Pretreatment of Refractory Gold Ore / J. A. Brierley ; L. Luinstra = 437
• Effect of Sodium Isopropyl Xanthate on the Bioleaching of a Pyrite - Arsenopyrite Ore Concentrate / S. nagpal ; D. A. Dahlstrom ; M. L. Free ; T. Oolman = 449
• A Comparison of Leaching by Attached and Nonattached Bacteria of a Pyrite / Arsenopyrite Gold - Ore Concentrate / M. L. Free ; T. Oolman ; S. Nagpal ; D. A. Dahlstrom = 459
• Oxygen Transfer Limitation of Bio - Oxidation at High Solids Concentration / G. S. Hansford ; A. D. Bailey = 469
• Bio - Oxidation of Refractory Gold - Bearing Arsenopyritic Ores / R. Claassen ; C. t. Logan ; C. P. Snyman = 479
• Heap - Bioleaching of Simulated Refractory Sulfide Gold Ores by Thiobacillus ferrooxidans : A Laboratory Approach on the Influence of Mineralogy / M. Monroy ; P. Marion ; J. Berthelin ; G. Videau = 489
• Gold Recovery from a Low - Grade Ore Employing Biological Pretreatment in Columns / B. V. Mihaylov ; J. L. Hendrix = 499
• Uptake of silver by Two Naturally Occurring Pseudomonas Isolates - Pseudomonas putida and Pseudomonas diminuta / Z. Ibrahim ; W. A. Ahmad = 513
• Engineering Aspects of Heap Biooxidation of Coarse - Crushed Refractory Gold Ores / J. G. Harrington ; K. A. Prisbrey ; R. W. Bartlett = 521
• Pseudomonas pseudoalcaligenes(UA7) : Isolation and Preliminary Characterization of a Cyanide - Degrading Strain / P. J. Arps ; M. G. Nelson ; L. E. Sporleder = 531
• Redox Potential Technique to Study the Factors of Importance during Reactions of T. ferrooxidans with Fe_2+ / B. Pesic = 545
• Electrochemical Control in the Biological Leaching of Sulfidic Ores / M. Riekkola - Vanhanen ; S. Heimala = 561
• Redox Potential - Controlled Bacterial Leaching of Chalcopyrite Ores / L. Ahonen ; O. H. Tuovinen = 571
• Studies on the Electrochemical mechanism of Bacterial Catalysis in Pyrite Dissolution / T. Vargas ; A. Sanhueza ; B. Escobar = 579
• leaching of Sewage Sludge with Thiobacillus ferrooxidans : Determination of Physiological Activity Via Reduction of a Tetrazolium Salt / A. Zanella ; H. Brunner ; f. Schinner = 589
• Bioprecipitation of Copper from Aqueous Solution Using Desulfovibrio sp. / V. V. Panchanadikar ; R. N. Kar = 595
• Elemental Sulfur Production from Gypsum by Bacterial Leaching / N. Deveci ; C. Delaloglu ; Y. Guvenilir ; Z. Do$${\mathord{\buildrel{\lower3pt\hbox{$\scriptscriptstyle\smile$}}\over g} }$$an = 605
• Arsenic Removal from Mining Waste Waters Using Sulfate - Reducing Bacteria in a Two - Stage Bioreactor / D. D. Belin ; B. E. Dinsdale ; P. B. Altringer = 613
• Isolation and Activity of Chromium(VI) - Reducing Bacteria / V. M. Cooke ; M. N. Hughes ; R. K. Poole = 621
• The Use of Biogenic Hydrogen Sulfide to Selectively Recover Copper and Zinc from Severely Contaminated Mine Drainage / R. W. hammack ; D. H. Dvorak ; h. M. Edenborn = 631
• Bioconversion of Waste Gypsum from Coal Fired Power Plants Using Sulfate - Reducing Bacteria / W. A. Apel ; J. M. Barnes = 641
• Bioextraction of Cobalt from Complex Metal Sulfides / D. L. Thompson ; K. S. Noah ; P. L. Wichlacz ; A. E. Torma = 653
• Metal Sulfide Content of Ore Samples Determined by Controlled - Atmosphere Programmed - Temperature Oxidation(CAPTO) / R. B. laCount ; D. G. Kern ; W. P. King ; R. B. LaCount Jr. ; D. K. Walker = 665
• Manipulation and Monitoring of Acidophilic Bacterial Populations / D. B. Johnson ; P. Nicolau ; T. A. M. Bridge = 673
• Sulfurococcus - A New Genus of Thermoacidophilic Archaebacteria Oxidizing Sulfur, Ferrous Iron and Sulfide Minerals / G. I. Karavaiko ; R. S. Golovacheva ; O. V. Golyshina ; K. M. Valiejo - Roman ; V. K. Bobrova ; A. V. Troitsky ; T. A. Pivovarova = 685
• Microbial Oxidation of cobalt / B. M. Tebo ; Y. Lee = 695
• Characterisation of Carbon Fixation in the Iron - Oxidizing Moderate Thermophile NMW6 / P. J. holden = 705
• A Preliminary Thermodynamic Study of Bacterial Attachment on Uranium Contaminated Soils from Fernald / R. G. Reddy ; S. Wang ; A. E. Torma = 715
• Optimising Oxidation Rates in Heaps of Pyritic Material / G. Pantelis ; A. I. M. Ritchie = 731
• Continuous Pilot Experiments for Bacterial Leaching of the Refractory Arsenious Gold - Bearing Pyrite Concentrate Suior(Romania) / V. Oros ; P. Ilie ; Z. Kovacs = 739
• VOLUME Ⅱ Fossil Energy Materials, Bioremediation, and Microbial Physiology
• Waste Water Remediation Using Immobilized Biological Extractants / T. H. Jeffers ; R. R. Corwin = 1
• The Use of a Mathematical Model for the Study of Important Parameters in Immobilized Biomass Biossorption Technology Trends / M. Tsezos = 15
• Diffusion Kinetics of Metal Recovery Biosorption Processes / M. L. Apel ; A. E. Torma = 25
• Immobilization of Biomass for Industrial Application of Biosorption / C. L. Brierley ; J. A. Brierley = 35
• Chitosan and Derivatives : Application to Uranium Sorption / I. Saucedo ; E. Guibal ; J. Roussy ; P. Le Cloirec = 45
• Biosorption of Heavy Metals by Filamentous Fungi / K. Bosecker = 55
• Bioaccumulation of Heavy Metals : Application to the Decontamination of Solutions Containing Americium, Plutonium and Neptunium / M. R. Tolley ; L. E. Macaskie = 65
• Modification of Metal Binding Properties of Biopolymers / L. K. Jang ; G. G. Geesey = 75
• Immobilisation of Biosorbed Metal Ions / R. M. Stuetz ; J. C. Madgwick ; A. R. Gee = 85
• Accumulation of Cesium by Microorganisms and Clays / M. N. Hughes ; R. K. Poole ; C. H. K. Sami = 95
• Biosorption of Metal Ions by Attached Bacterial Cells in a Packed - Bed Bioreactor / D. Cotoras ; P. Viedma ; J. Pimentel = 103
• Arsenic Uptake and Efflux by Sulfolobus BC / W. T. S. Ngubane ; A. A. W. Baecker = 111
• Bacterial Removal of Cadmium from Aqueous Solutions / S. R. Dave ; R. A. Patwari = 119
• Biosorption of Metals by Waste Biomasses / B. Mattuschka ; K. Junghans ; G. Straube = 125
• The Use of Alcaligenes eutrophus Immobilized in a Tubular Membrane Reactor for Heavy Metal Recuperation / L. Diels ; S. Van Roy ; S. Taghavi ; W. Doyen ; R. Leysen ; M. mergeay = 133
• Theoretical and Experimental Studies on Diffusion of Metal Ions and Reaction with Biopolymers / F. Roe ; Z. Lewandowski ; D. Chen ; R. Z Hughes = 145
• Degradation of Inorganic Cyanides by Immobilized Pseudomonas putida Cells / G. R. V. Babu ; J. H. Wolfram ; K. D. Chapatwala = 159
• Involvement of Microorganisms in the Degradation of Organo - Metallic Complexes and Accumulation of Trace Elements : An Example with Uranium / J. Berthelin ; C. Munier-Lamy = 167
• Toxicity and Uptake of Selenium Compounds in Spirulina platensis / S. M. Bennett ; M. N. Hughes ; R. K. Poole = 177
• The Bioremediation of Paint Waste / R. Pryor ; G. Bowers-Irons = 187
• Flocculation of Mineral Fines with Ruptured Microorganisms / I. A. Schneider ; M. Misra ; R. W. Smith = 197
• Biorecovery of Zinc by Pseudomonas stutzeri RS34 / R. Bhagat ; S. Srivastava = 209
• Case Study : Bacterial Cyanide Detoxification During Closure of the Green Springs Gold Heap Leach Operation / R. H. Lien ; P. B. Altringer = 219
• Biosorption of metals from Solution by Mycelial Waste of Penicillium chrysogenum / K. M. Paknikar ; U. S. Palnitkar ; P. R. Puranik = 229
• Aerobic Reduction and Biosorption of Chromium by a Chromate Resistant Aspergillus sp. / K. M. paknikar ; J. V. Bhide = 237
• Microbial Capping of Acid Generating Mine Tailings / R. G. L. McCready = 245
• Role of Biologically Assisted Pyrrhotite Oxidation in Acid Mine Drainage / J. M. Scharer ; J. J. Byerley ; E. Kwong ; R. V. Nicholson = 255
• Municipal Waste Water Treatment Plant Sludges : A source of Organic Carbon - Tolerant, Sulfur - Oxidizing Thiobacillus and Sulfobacillus Strains / S. Dufresne ; J. F. Blais ; C. Roy ; R. Guay = 267
• Characterization of a Microbiological Process for the Treatment of Acidic Drainage / G. Bechard ; S. Rajan ; W. D. Gould = 277
• Monitoring Iron and manganese Diagenesis in Constructed Wetlands with Continuous Gradient Gels / H. M. Edenborn ; L. A. Brickett ; D. H. Dvorak ; S. L. Edenborn = 287
• The Uptake of Microbially Leached Uranium by Immobilized Microbial Biomass / A. M. Khalid ; S. R. Ashfaq ; T. M. Bhatti ; M. A. Anwar ; A. M. Shemsi ; K. Akhtar = 299
• Uranium Biosorption by Trichoderma harzianum Entrapped in Polyester Foam Beads / A. M. Khalid ; A. M. Shemsi ; K. Akhtar ; M. A. Anwar = 309
• ARUM - Acid Reduction Using Microbiology / M. Kalin ; A. Fyson ; M. P. Smith = 319
• The Microbiology of MEOR : Practical Experience in Europe / I. Laz$${\mathord{\buildrel{\lower3pt\hbox{$\scriptscriptstyle\smile$}}\over a} }$$r = 329
• Oxidation of H_2s by Thiobacillus thiooxidans is Inhibited by Substate and Methane / H. M. Lizama ; B. M. Sankey = 339
• Enhanced Oil Recovery by Stimulating the Activity of the Indigenous Microflora of Oil Reservoirs / V. I. Groudeva ; I. A. Ivanova ; S. N. Groudev ; G. G. Uzunov = 349
• Investigations on a New Romanian Biopolymer(Pseudozan) for Use in Enhanced Oil Recovery(EOR) / I. Saz$${\mathord{\buildrel{\lower3pt\hbox{$\scriptscriptstyle\smile$}}\over a} }$$r ; L. Blanck ; A. Voicu ; G. Archir ; V. Constantin ; T. Toma ; I. G. Laz$${\mathord{\buildrel{\lower3pt\hbox{$\scriptscriptstyle\smile$}}\over a} }$$r = 357
• Chemical and Microbiological Studies on Petroleum Contaminated Soils After Two Years of Biotreatment / K. Bosecker ; A. Hollerbach ; H. Kassner ; M. Teschner ; H. Wehner = 365
• Enzymatic Bioremediation of Drilling Mud Wastes / D. O. Hitzman = 375
• Design of a Microbial Enhanced Oil Recovery Project for the North Burbank Unit, Osage County, Oklahoma : A Pre - Pilot Study / G. E. Jenneman ; J. B. Clark ; P. D. Moffitt ; D. R. Zornes ; G. R. Young = 385
• Biochemical Alteration of Crude Oils in Microbial Enhanced Oil Recovery / E. T. Premuzic ; M. S. Lin ; J. Z. Jin ; B. Manowitz ; L. Racaniello = 401
• A Possible Mechanism for the Transfer of Reducing Power to Insoluble Mineral Oxide in Bacterial Respiration / H. L. Ehrlich = 415
• Existence of Sulfide - Binding Protein in Iron - Oxidizing Bacteria / H. Suzuki ; T. Tanaka ; T. Tano ; T. Sugio = 423
• Determination of Iron Oxidizing Bacteria numbers by a Modified MPN Procedure / R. Lafleur ; E. D. Roy ; D. Couillard ; R. Guay = 433
• Oxidation of Reduced Sulfur Compounds by Thiobacillus ferrooxidans 23270 and Thiobacillus ferrooxidans FC / S. C. Lorbach ; V. Buonfiglio ; J. M. Bauld ; J. M. Shively = 443
• The Electron Transport System Coupled to the Oxidation of Fe^2+ in Thiobacillus ferrooxidans / T. Yamanaka ; T. Yano ; M. Kai ; H. Tamegai ; Y. Fukumori = 453
• Ferrous and Sulfur Oxidation by Thiobacillus ferrooxidans / J. V. Wiertz = 463
• Study of the Proteins Specifically Involved in the Chemolithotrophic Metabolism of Thiobacillus cuprinus / I. Mar$${i'}$$n ; A. M. Amaro = 473
• Isolation and Characterization of Novel Bioleaching Microorganisms from Rio Tinto / E. G$${o'}$$mez ; A. I. L$${o'}$$pez ; I. Mar$${i'}$$n ; R. Amils = 479
• A Review of Bioenergetics and Enzymology of Sulfur Compound Oxidation by Acidophilic Thiobacilli / J. G. Kuenen ; J. T. Pronk ; W. Hazeu ; R. Meulenberg ; P. Bos = 487
• Hyperthermophiles - Geochemical and Industrial Implication / H. Huber = 495
• A Phenotypic and Genotypic Comparison of Six Strains of Thiobacillus ferrooxidans / J. M. Shively ; R. S. English ; R. C. Blake Ⅱ ; D. B. Ringelberg ; D. C. White = 507
• A Comparison of the Structure of the H^+ - Translocating ATP Synthase from Thiobacillus ferrooxidans with Those from Other Organisms / L. D. Brown ; D. E. Rawlings = 519
• Bacterial Molecular Genetics and Enzymatic Transformations of Arsenate, Arsenite and Chromate / G. Ji ; S. Silver ; E. A. E. Garber ; H. Ohtake ; C. Cervantes ; P. Corbisier = 529
• Expression of Rusticyanin Gene Is Regulated by Growth Condition in Thiobacillus ferrooxidans / V. Pulgar ; L. Nunez ; f. Moreno ; O. orellana ; E. Jedlicki = 541
• Identification of the Putative recA Gene from Acidiphilium facilis / D. Bulmer ; T. E. Ward = 549
• Plasmid Transformation of Intact Acidiphilium facilis by High - Boltage Electroporation / K. Inagaki ; J. Tomono ; N. Kishimoto ; T. Tano ; H. Tanaka = 557
• Changes in Global Gene Expression of Thiobacillus ferrooxidans when Grown on Elementary Sulphur / G. Osorio ; P. Varela ; R. Arredondo ; M. Seeger ; A. M. Amaro ; C. A. Jerez = 565
• The Growth Conditions Affect Thiobacillus ferrooxidans Attachment to Solids / A. M. Amaro ; m. Seeger ; R. Arredondo ; M. Moreno ; C. A. Jerez = 577
• Characterization of Outer Membrane Proteins Involved in the Oxidation of Sulfur in Thiobacillus spp / V. Buonfiglio ; M. Polidoro ; P. Valenti ; R. S. English ; S. C. Lorbach ; J. M. Shively = 587
• Functional Characterization of a 20 KB Plasmid Present in Different Thiobacillus ferrooxidans Strains / M. polidoro ; v. Buonfiglio ; m. Lazzarini ; P. Valenti ; N. Orsi = 595
• Iron Oxidation by Thiobacillus ferrooxidans : Structure / Function Relationships in a blue Copper protein, Rusticyanin / F. Nunzi ; M. Bruschi = 603
• Electron - Transfer Proteins of Bacteria that Respire on Iron / R. C. Blake Ⅱ ; S. McGinness = 615
• Genetic Manipulation of Iron and Sulfur Oxidizing Bacteria for Biohydrometallurgical Operations / A. M. Khalid ; M. A. Anwar ; A. m. Shemsi ; K. Akhtar = 629
• Plasmid Technology for Biomining Applications / P. C. K. Lau ; m. Drolet ; P. Zanga ; D. S. holmes = 635
• Perspectives in the Genetics of Thiobacillus ferrooxidans / n. Guiliani ; M. Chippaux ; J. C. Patte ; V. Bonnefoy = 645
• Development of Biosensors to measure metal Ion Bioavailability in Mining and Metal Wastes / D. S. Holmes ; S. K. Dubey ; S. Gangolli = 659
• Insertion Sequence IST1 and Associated Phenotypic Switching in Thiobacillus ferrooxidans / H. Zhao ; D. S. holmes = 667
• Desulfurization of Rubber by Thiobacilli / M L$${\ddot o}$$ffler ; g. Straube ; E. Straube = 673
• The Use of Autoradiography to Accurately Enumerate viable Iron Oxidizing Leaching Bacteria / S. R. Ragusa ; J. C. Madgwick = 681
• Microbially Improved Oil Recovery from Carbonate Reservoirs / m. Wagner ; D. Lungershausen ; U. Nowak ; B. Ziran = 695
• Bioaccumulation of metal Cations by Saccharomyces cerevisiae / D. Brady ; J. R. Duncan = 711
• Molecular Cloning of the Gene Encoding Thiobacillus ferrooxidans Fe(Ⅱ) Oxidase / T. Kusano ; T. Takeshima ; K. Sugawara ; C. Inoue ; T. Shiratori ; T. yano ; Y. Fukumori ; t. Yamanaka = 725
• Specific Binding of the Thiobacillus ferrooxidans RBCR Protein to the Intergenic Sequence Between the RBC Operon and the RBCR Gene / K. Sugawara ; T. Kusano = 735
• Maintenance and Expression of Enteric Arsenic Resistance Genes in Acidiphilum / D. F. Bruhn ; f. F. Roberto = 745
• Bioreduction of Selenate and Selenite / D. J. Adams ; P. B. Altringer ; W. D. Gould = 755