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Articles 361 - 373 of 373

Full-Text Articles in Biotechnology

Biotechnology : Exposing The Myths & Realities, Sue Sutherland, Alan Lymbery Jan 1995

Biotechnology : Exposing The Myths & Realities, Sue Sutherland, Alan Lymbery

Journal of the Department of Agriculture, Western Australia, Series 4

Biotechnology has become one of the buzz words of the 1990s. Sounds impressive but what's it all about? Sue Sutherland and Alan Lymbery unravel some of the jargon and explore its potential for Western Australian agriculture.

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Molecular Cloning And Rare Cleavage Mapping Of Human 2p, 6q, 8q, 12q, And 18q Telomeres, Roberto A. Macina, Ken Morii, Xue-Lan Hu, Dimitri G. Negorev, Chrysanthe Spais, Lisa A. Ruthig, Harold C. Riethman Jan 1995

Molecular Cloning And Rare Cleavage Mapping Of Human 2p, 6q, 8q, 12q, And 18q Telomeres, Roberto A. Macina, Ken Morii, Xue-Lan Hu, Dimitri G. Negorev, Chrysanthe Spais, Lisa A. Ruthig, Harold C. Riethman

School of Medical Diagnostics & Translational Sciences Publications

Large terminal fragments of human chromosomes 2p, 6q, 8q, 12q, and 18q were cloned using yeast artificial chromosomes (YACs). RecA-assisted restriction endonuclease (RARE) cleavage analysis of genomic DNA samples from 11 unrelated individuals using YAC-derived probes confirmed the telomeric localizations of the half-YACs studied. The cloned Fragments provide telomeric closure of maps for the respective chromosome arms and will supply the reagents needed for analyzing and sequencing these distal subtelomeric regions.

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Maximizing The Return From Genome Research: Introduction, Thomas G. Field Jr. Mar 1994

Maximizing The Return From Genome Research: Introduction, Thomas G. Field Jr.

RISK: Health, Safety & Environment (1990-2002)

Professor Field introduces and explains the origins of the symposium.

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Biotechnology Process Patents: Is Special Legislation Needed?, Timothy P. Linkkila, Timothy E. Tracy Mar 1994

Biotechnology Process Patents: Is Special Legislation Needed?, Timothy P. Linkkila, Timothy E. Tracy

RISK: Health, Safety & Environment (1990-2002)

The authors review administrative and court decisions prompting proposed changes to the patent law. After reviewing pros and cons, they argue that, on balance, pending bills can easily cause more problems than they solve.

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Origins Of The Human Genome Project, Robert Mullan Cook-Deegan Mar 1994

Origins Of The Human Genome Project, Robert Mullan Cook-Deegan

RISK: Health, Safety & Environment (1990-2002)

Dr. Cook-Deegan recounts some of the scientific and political history leading to controversy about the proper mix of private and public roles in pursuing genome research and bringing its fruits to bear, e.g., in preventing and curing disease.

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Overview Of Potential Intellectual Property Protection For Biotechnology, Kate H. Murashige Mar 1994

Overview Of Potential Intellectual Property Protection For Biotechnology, Kate H. Murashige

RISK: Health, Safety & Environment (1990-2002)

Dr. Murashige compares the function and value of copyright, patent and trade secret laws in recovering investments in developing genome-related biotechnology.

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Development And Application Of A Thermistor Current Meter, Carl M. Way, Albert J. Burky, Christine Miller-Way Jan 1994

Development And Application Of A Thermistor Current Meter, Carl M. Way, Albert J. Burky, Christine Miller-Way

Biology Faculty Publications

This report provides details for the construction of a hot-bead thermistor current meter which is capable of measuring water velocities on a millimeter spatial scale and for the construction of a compact and accurate calibration system. Hot-bead thermistor current meters can be built with response times of 200 ms capable of measuring velocities between 0.1 and 80 cm s-1. The construction of a sturdy probe for application in lotic systems such as high gradient Hawaiian streams was achieved by the use of heavy-duty acrylic tubing, small stainless steel gas-chromatography tubing, and flexible Tygon spaghetti tubing. An acrylic handle anchors the …

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Book Review, Bradley J. Olson Jun 1993

Book Review, Bradley J. Olson

RISK: Health, Safety & Environment (1990-2002)

Review of: JOHN HARRIS, WONDERWOMAN AND SUPERMAN: THE ETHICS OF HUMAN BIOTECHNOLOGY. (Oxford University Press 1992) [271 pp.] Acknowledgements, further reading, index, introduction, notes. LC 91-23939; ISBN 0-19-2177540-0. [$22.95 cloth. 200 Madison Avenue; New York NY 10016.]

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Seasonal Responses Of Filtration Rates To Temperature, Oxygen Availability, And Particle Concentration Of The Freshwater Clam, Musculium Partumeium (Say), Albert J. Burky, Richard B. Benjamin, Denis G. Conover, Jennifer Detrick Jan 1985

Seasonal Responses Of Filtration Rates To Temperature, Oxygen Availability, And Particle Concentration Of The Freshwater Clam, Musculium Partumeium (Say), Albert J. Burky, Richard B. Benjamin, Denis G. Conover, Jennifer Detrick

Biology Faculty Publications

Seasonal filtration rates of a pond population of the freshwater pisidiid clam, Musculium par­tumeium (Say), were assessed by measuring the clearance of 2.02 µ.m latex beads from suspension and expressed in terms of FR = a(AFDW}b where FR = filtration rate (ml H20 · hr- 1 ) , AFDW = mg ash-free dry weight of a whole clam and "a" and "b" are constants. The a-values ( = FR of a 1-mg AFDW clam} vary seasonally with the highest rates corresponding to periods of maximum growth and reproduction in the spring and fall. Changes in "b" reflect the influence of …

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Interpopulation Variation In Calcareous And Proteinaceous Shell Components In The Stream Limpet, Ferrissia Rivularis, Carl M. Way, Daniel J. Hornbach, Albert J. Burky Jan 1981

Interpopulation Variation In Calcareous And Proteinaceous Shell Components In The Stream Limpet, Ferrissia Rivularis, Carl M. Way, Daniel J. Hornbach, Albert J. Burky

Biology Faculty Publications

Natural populations of the North American stream limpet, F. rivularis, were studied in upstate New York [USA], in a set of localities whose waters have a 15-fold range of dissolved Ca (4.6-67.6 mg/liter) and also range from oligotrophy to eutrophy. Shell component analyses (CaCO3, total organic C and total N) are reported as component mass-fractions (mg/g or .mu.g/g dry weight) and as values for a standard limpet shell of 35 mm aperture length (AL). More than 2-fold differences occur between populations in all 3 components, with relatively little variation occurring within each population. Expressed per standard limpet, CaCO3 values for …

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Seasonal Metabolism Of The Sphaeriid Clam, Musculium Partumeium (Say), From A Permanent And A Temporary Pond, Carl M. Way, Daniel J. Hornbach, Albert J. Burky Jan 1981

Seasonal Metabolism Of The Sphaeriid Clam, Musculium Partumeium (Say), From A Permanent And A Temporary Pond, Carl M. Way, Daniel J. Hornbach, Albert J. Burky

Biology Faculty Publications

Seasonal metabolic rates were examined for the sphaeriid clam, Musculium partumeium (Say) from a permanent and a temporary pond. For the fall-born generation from the permanent pond and for the single generation from the temporary pond, metabolic rates peak during periods of greatest growth and reproduction. Metabolic rates were consistently higher for the permanent pond population. These rates for Musculium partumeium extend the available information on the family Sphaeriidae to the genus Musculium.

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Growth Of Pisidium Casertanum (Poli) In West Central Ohio, Albert J. Burky, Daniel J. Hornbach, Carl M. Way Jan 1981

Growth Of Pisidium Casertanum (Poli) In West Central Ohio, Albert J. Burky, Daniel J. Hornbach, Carl M. Way

Biology Faculty Publications

Clarke (1973) states that Pisidium casertanum (Poli) is perhaps the most common species of Pisidium and is truly cosmopolitan, occurring throughout Eurasia, Africa, Australia, and South, Central and North America. Populations of these clams are reported in habitats ranging from ephemeral ponds to benthic zones of deep lakes. Our study describes Manuscript received 29 May 1979 and in revised form 25 July 1980 (#79-34). 2 Present address: Department of Biology, University of Virginia, Charlottesville, VA 22901. 3 Present address: Department of Zoology, Miami University, Oxford, OH 45056. 41 aspects of the life-cycle of P. casertanum in a spring-fed stream with …

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Buoyancy Changes As Related To Respiratory Behavior In An Amphibious Snail, Pomacea Urceus (Müller), From Venezuela, Kathleen A. Burky, Albert J. Burky Jul 1977

Buoyancy Changes As Related To Respiratory Behavior In An Amphibious Snail, Pomacea Urceus (Müller), From Venezuela, Kathleen A. Burky, Albert J. Burky

Biology Faculty Publications

The ampullariid Pomacea urceus uses its ctenidium and lung in respiration. The snails reach the surface with their siphon and ventilate their lung by withdrawing their head-foot in a pumping action. The lung gas also serves to change the buoyancy of the snails. After a ventilation a snail does not necessarily return to the same buoyancy level. They may achieve overall specific gravities of <1 to > 1 after a ventilation. They may remain submerged (s.g. > 1) or float (s.g.

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