Open Access. Powered by Scholars. Published by Universities.®

Life Sciences Commons™

Open Access. Powered by Scholars. Published by Universities.®

2002

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 181 - 210 of 2980

Full-Text Articles in Life Sciences

Effect Of Sucrose Esters And Sunflower Oil Addition On Microstructure Of A High-Melting Milk Fat Fractions, Silvana Martini, M. C. Puppo, R. W. Hartel, M. L. Herrera Nov 2002

Effect Of Sucrose Esters And Sunflower Oil Addition On Microstructure Of A High-Melting Milk Fat Fractions, Silvana Martini, M. C. Puppo, R. W. Hartel, M. L. Herrera

Nutrition, Dietetics, and Food Sciences Faculty Publications

The effects of sunflower oil (SFO) and the sucrose esters (SE) P-1670, P-170, and S-170 on crystalline microstructure of a high-melting milk fat fraction (HMF) was studied by polarized-light microscopy (PLM) and confocal laser scanning microsopy (CLSM). The addition of SFO markedly diminished crystal size and delayed crystallization kinetics, as observed in PLM images. Addition of P-1670 modified crystallization behavior only slightly. Addition of P-170 and S-170, however, markedly diminished crystal size and led to more transparent crystals, with lower amount of solids in each crystal. These results show that the microstructural properties of HMF were modifed by addition of …


Nebline, November/December 2002 Nov 2002

Nebline, November/December 2002

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Families - The Backbone of Neighborhoods
Community Partnerships Help Build
Strong Families & Neighborhoods
Make a Holiday Wreath
Cyclamen care
Winter Care of Houseplants
2002 November/December Garden Calendar
Horticulture Information Center
Carbon Monoxide: The Hidden Killer
Prevent Carbon Monoxide Poisoning from Small Gasoline-Powered Engines and Tools
Reduce Costs and Increase Yields with Biosolids!
Enjoying Your Backyard Wildlife
Neighborhood Cats
Aflatoxin in Corn - What can be Done?
Crop Protection Clinic Jan. 10
Feeding Value of Drought- Stricken Corn Grain for Swine Not Affected
Fall Brings Garden Clean-up
Sales Tax on Tree Planting Services
Use Energy More Efficiently, Cut Heating Costs …


News And Notes, Southeastern Fishes Council Nov 2002

News And Notes, Southeastern Fishes Council

Southeastern Fishes Council Proceedings

No abstract provided.


Individual, Temporal, And Seasonal Variation In Sperm Concentration In Tree Swallows, Michael P. Lombardo, Armetris N. Forman, Matthew R. Czarnowski, Patrick A. Thorpe Nov 2002

Individual, Temporal, And Seasonal Variation In Sperm Concentration In Tree Swallows, Michael P. Lombardo, Armetris N. Forman, Matthew R. Czarnowski, Patrick A. Thorpe

Peer Reviewed Publications

We determined sperm concentrations in Tree Swallows (Tachycineta bicolor) by manually expressing semen samples from males during prelaying, egg-laying, incubation, and nestling periods. Sperm concentrations varied by orders of magnitude (0-109 sperm mL-1) among males. Sperm concentrations were highest during the incubation period and lowest during the prelaying period. None of the samples collected during the prelaying, egg-laying, and incubation periods were devoid of sperm. In contrast, 45% of samples collected during the nestling period lacked sperm. Sperm concentrations (1) did not vary over the course of the morning during prelaying, egg-laying, and incubation periods …


Afterschool Programs In Your Community, Funding And Collaboration, Deb Jones Nov 2002

Afterschool Programs In Your Community, Funding And Collaboration, Deb Jones

All Current Publications

An estimated eight million school age children between the ages of 5 and 14, go home to an empty house. Statistics reveal that most juvenile crime is committed between the hours of 2:00 pm and 8:00 pm, with the crime rate tripling in the rst hour after school is out.


Recognition Of 4-H Volunteers, Deb Jones Nov 2002

Recognition Of 4-H Volunteers, Deb Jones

All Current Publications

We all want to think we’re doing a good job and have a positive effect on the organization which we serve. In this context, recognition means more than being thanked.


Mechanical Properties Of Corn And Soybean Meal, Marek Molenda, Michael D. Montross, Jozef Horabik, Ira Joseph Ross Nov 2002

Mechanical Properties Of Corn And Soybean Meal, Marek Molenda, Michael D. Montross, Jozef Horabik, Ira Joseph Ross

Biosystems and Agricultural Engineering Faculty Publications

Ground corn and soybean meal are common ingredients in feed mixes. The knowledge of their mechanical properties is important to the feed manufacturer and consumer. Changes in these properties can lead to abnormally high or low levels of active ingredients in finished feed, thus decreasing its quality. Mechanical properties of wheat, corn meal, and soybean meal were investigated using a modified direct shear apparatus. The moisture content (wet basis), uncompacted bulk density, and particle density were: 10.4%, 733 kg/m3, and 1410 kg/m3 for soft red winter wheat; 11.4%, 583 kg/m3, and 1350 kg/m3 for …


Relative Safety Of Sprays Of Two Neem Insecticides To Diadegma Mollipla (Holmgren), A Parasitoid Of The Diamondback Moth: Effects On Adult Longevity And Foraging Behaviour, A. M. Akol, S. Sithanantham, P. G.N. Njagi, A. Varela, J. M. Mueke Nov 2002

Relative Safety Of Sprays Of Two Neem Insecticides To Diadegma Mollipla (Holmgren), A Parasitoid Of The Diamondback Moth: Effects On Adult Longevity And Foraging Behaviour, A. M. Akol, S. Sithanantham, P. G.N. Njagi, A. Varela, J. M. Mueke

All Peer-Reviewed Publications

The non-target safety of two neem-based insecticides, Neemroc EC® (an oil formulation) and Neemros® (an oil-free powder formulation) to adults of Diadegma mollipla (Holmgren), a larval parasitoid of the diamondback moth, Plutella xylostella (L.), was investigated in laboratory bioassays. The neem insecticides were compared against Karate® (a synthetic pyrethroid insecticide) and water as sprays. Karate® caused 100% mortality in treated wasps within 6 h, while the two neem insecticides did not cause any significant mortality. The mean longevity of wasps was not significantly affected by exposure to the two neem insecticides. The time allocation to different components of foraging behaviour …


Genetic Diversity Of The African Geocarpic Legume Kersting's Groundnut, Macrotyloma Geocarpum (Tribe Phaseoleae: Fabaceae), R. S. Pasquet, G. Mergeai, J. P. Baudoin Nov 2002

Genetic Diversity Of The African Geocarpic Legume Kersting's Groundnut, Macrotyloma Geocarpum (Tribe Phaseoleae: Fabaceae), R. S. Pasquet, G. Mergeai, J. P. Baudoin

All Peer-Reviewed Publications

A survey of allozyme variation in Kersting's groundnut [Macrotyloma geocarpum (Harms) Maréchal and Baudet] was undertaken by examining 19 enzymes systems encoding 32 putative loci in 18 domesticated accessions and two wild accessions. No variation was found within and among domesticated accessions as well as within and between both wild accessions. However, very high genetic distance between wild and domesticated accessions suggests that they should be assigned to two different species. © 2002 Elsevier Science Ltd. All rights reserved.


Unique Epitope Of Bovine Immunodeficiency Virus Gag Protein Spans The Cleavage Site Between P16Ma And P2l, Ming Lu, Ling Zheng, Kathy Mitchell, Sanjay Kapil, Charles Wood, Harish Minocha Nov 2002

Unique Epitope Of Bovine Immunodeficiency Virus Gag Protein Spans The Cleavage Site Between P16Ma And P2l, Ming Lu, Ling Zheng, Kathy Mitchell, Sanjay Kapil, Charles Wood, Harish Minocha

Nebraska Center for Virology: Faculty Publications

Bovine immunodeficiency virus (BIV) and Jembrana disease virus (JDV) are closely related bovine lentiviruses that are difficult to distinguish by presently available diagnostic methods. Recently, in our laboratory, a monoclonal antibody (MAb; MAb 10H1) against the BIV Gag protein identified a differential epitope, located at the 6.4-kDa N terminus of a 29-kDa Gag capsid protein, which was absent in JDV. To define the essential amino acids of the epitope, a series of primers within the 163 bp of DNA corresponding to the 6.4-kDa protein were designed. The full-length 163-bp DNA fragment and the smaller DNA fragments with deletions were amplified …


Anisomycin Activates Jnk And Sensitises Du 145 Prostate Carcinoma Cells To Fas Mediated Apoptosis, James Curtin, Thomas Cotter Nov 2002

Anisomycin Activates Jnk And Sensitises Du 145 Prostate Carcinoma Cells To Fas Mediated Apoptosis, James Curtin, Thomas Cotter

Articles

Treatment of the hormone refractory prostate cancer cell line DU 145 with sublethal concentrations of chemotherapeutic drugs has been reported to sensitise these cells to Fas mediated apoptosis. However, the mechanism by which this occurs has not been determined. Our group has shown that inhibition of JNK activity completely abrogates the effects of chemotherapeutic drugs. Using anisomycin, a potent JNK agonist, we have demonstrated a role for JNK in Fas mediated apoptosis in DU 145 cells. Inhibition of Caspase 8 and Caspase 9 completely inhibits this process which suggests that DU 145 cells require mitochondrial amplification of the Fas apoptotic …


Effect Of Sucrose Esters On Isothermal Crystallization And Rheological Behaviors Of Blends Of High-Melting Milk Fat Fraction And Sunflower Oil, M. C. Puppo, Silvana Martini, R. W. Hartel, M. L. Herrera Nov 2002

Effect Of Sucrose Esters On Isothermal Crystallization And Rheological Behaviors Of Blends Of High-Melting Milk Fat Fraction And Sunflower Oil, M. C. Puppo, Silvana Martini, R. W. Hartel, M. L. Herrera

Nutrition, Dietetics, and Food Sciences Faculty Publications

Crystallization kinetics and rhelogical behavior of blends of high-melting milk-fat fraction (HMF) and sunflower oil (SFO) with and without addition of the sucrose esters P-170, S-170, and P-1670 were investigated. Addition of sucrose esters delayed crystallization, as was evidenced by the longer induction times of crystallization (t) and the lower maximum solid fat content (Smax). Values of penetration force and time corresponding to the 1st peak of curves force compared with time also diminished with addition of SFO. When sucrose esters were added, a solid fat content greater than 10% at the 1st crystallization temperature was necessary to give a …


Morphology Of The Minute Larva Of Ptinella Tenella, With Special Reference To Effects Of Miniaturisation And The Systematic Position Of Ptiliidae (Coleoptera: Staphylinoidea), Vasily V. Grebennikov, Rolf G. Beutel Nov 2002

Morphology Of The Minute Larva Of Ptinella Tenella, With Special Reference To Effects Of Miniaturisation And The Systematic Position Of Ptiliidae (Coleoptera: Staphylinoidea), Vasily V. Grebennikov, Rolf G. Beutel

All Peer-Reviewed Publications

External and internal features of minute reared ex ovo larvae of Ptinella tenella Erichson with the head widths ranging from 108 to 138 μm are described. In total 139 setae (trichoid sensilla), 18 pores (non-trichoid sensilla), and 60 muscles were identified. The complexity of the chaetotaxy, the musculature of the head, the tentorium, and the digestive tract are not affected by the extremely small size of the larvae. Specific features, which may have resulted from miniaturisation are the elongate shape of the brain reaching the mesothorax posteriorly, the reduced condition of the thoracic sclerites and endosternites, the simplified musculature of …


Detection Of Phosphorus And Nitrogen Deficiencies In Corn Using Spectral Radiance Measurements, S.L. Osbourne, James S. Schepers, D. Francis, Michael R. Schlemmer Nov 2002

Detection Of Phosphorus And Nitrogen Deficiencies In Corn Using Spectral Radiance Measurements, S.L. Osbourne, James S. Schepers, D. Francis, Michael R. Schlemmer

Department of Agronomy and Horticulture: Faculty Publications

Applications of remote sensing in crop production are becoming increasingly popular due in part to an increased concern with pollution of surface and ground waters due to over-fertilization of agricultural lands and the need to compensate for spatial variability in a field. Past research in this area has focused primarily on N stress in crops. Other stresses and the interactions have not been fully evaluated. A field experiment was conducted to determine wavelengths and/or combinations of wavelengths that are indicative of P and N deficiency and also the interaction between these in corn (Zea mays L.). The field experiment …


Mining Of Correlated Rules In Genome Sequences, L. Lin, L. Wong, Tze-Yun Leong, P. S. Lai Nov 2002

Mining Of Correlated Rules In Genome Sequences, L. Lin, L. Wong, Tze-Yun Leong, P. S. Lai

Research Collection School Of Computing and Information Systems

With the huge amount of data collected by scientists in the molecular genetics community in recent years, there exists a need to develop some novel algorithms based on existing data mining techniques to discover useful information from genome databases. We propose an algorithm that integrates the statistical method, association rule mining, and classification rule mining in the discovery of allelic combinations of genes that are peculiar to certain phenotypes of diseased patients.


Understanding And Managing Corn Yield Potential, Achim R. Dobermann, Timothy J. Arkebauer, Kenneth G. Cassman, J Lindquist, James E. Specht, Daniel T. Walters, Haishun Yang Oct 2002

Understanding And Managing Corn Yield Potential, Achim R. Dobermann, Timothy J. Arkebauer, Kenneth G. Cassman, J Lindquist, James E. Specht, Daniel T. Walters, Haishun Yang

Department of Agronomy and Horticulture: Faculty Publications

Rainfed and irrigated systems in which corn is grown either in rotation with soybean or as a continuous monocrop are the predominant cropping systems in North America. About 30 million ha of corn are harvested annually for grain in the USA, of which eleven states in the Corn Belt produce more than 210 million tons or 35% of the global corn supply (Dobermann and Cassman, 2002). During the past 35 years, average corn yields have increased linearly at a rate of 1.7 bu/acre per year (109 kg ha-1 per year, Fig. 1). Average corn yields now approach 140 bu/acre …


Workshop On Sustainable Development Of Marine Fish Farming In Wa, Peter Rogers, R Fletcher Oct 2002

Workshop On Sustainable Development Of Marine Fish Farming In Wa, Peter Rogers, R Fletcher

Fisheries Management Papers

The purpose of this paper is twofold. First to provide an overview of the role of government and more particularly the Department of Fisheries and second to outline government expectations for aquaculture development agencies in the implementation of sustainable development initiatives and the effect this could have on the management of aquaculture within WA.


Smokejumper Obituary: Shetler, Maynard W. (Missoula 1945), National Smokejumper Association Oct 2002

Smokejumper Obituary: Shetler, Maynard W. (Missoula 1945), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Predators And Life Histories Shape Lestes Damselfly Assemblages Along A Freshwater Habitat Gradient, Robby Stoks, Mark A. Mcpeek Oct 2002

Predators And Life Histories Shape Lestes Damselfly Assemblages Along A Freshwater Habitat Gradient, Robby Stoks, Mark A. Mcpeek

Dartmouth Scholarship

Survey data from New England showed that assemblages of Lestes dam- selflies are organized along the entire gradient of pond permanence and predator presence. One assemblage occupies vernal ponds lacking large dragonfly predators and fish; four are largely confined to temporary ponds that typically contain dragonfly predators; one dom- inates fishless permanent ponds and lakes where dragonflies are the top predators; and one dominates permanent ponds and lakes where fish are the top predators. We determined the role of life history and predation in maintaining this striking pattern by conducting a series of transplant experiments in the field and a …


Ampelopsis Brevipedunculata (Maxim.) Trautv., Kerry Barringer Oct 2002

Ampelopsis Brevipedunculata (Maxim.) Trautv., Kerry Barringer

Specimens by Name

No abstract provided.


Maclura Pomifera (Raf.) Schneid., Christopher T. Martine Oct 2002

Maclura Pomifera (Raf.) Schneid., Christopher T. Martine

Specimens by Name

No abstract provided.


Smokejumper Obituary: Stokes, Walter S. (Pendleton 1945), National Smokejumper Association Oct 2002

Smokejumper Obituary: Stokes, Walter S. (Pendleton 1945), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Cropwatch No. 2002-24, Oct. 18, 2002, Lisa Brown Jasa Oct 2002

Cropwatch No. 2002-24, Oct. 18, 2002, Lisa Brown Jasa

Crop Watch (1994–2005)

Inside

Field updates…………..222

Management tips…………..222

Variety selection…………..223

Purple seed stain…………..226

Ag policy conference…………..227

Changing ag structure…………..227

Winter annuals in alfalfa…………..228


An Evolutionary Perspective Of Pierce’S Disease Of Grapevine, Citrus Variegated Chlorosis, And Mulberry Leaf Scorch Diseases, Jianchi Chen, John S. Hartung, Chung-Jan Chang, Anne K. Vidaver Oct 2002

An Evolutionary Perspective Of Pierce’S Disease Of Grapevine, Citrus Variegated Chlorosis, And Mulberry Leaf Scorch Diseases, Jianchi Chen, John S. Hartung, Chung-Jan Chang, Anne K. Vidaver

Department of Plant Pathology: Faculty Publications

Xylella fastidiosa causes diseases on a growing list of economically important plants. An understanding of how xylellae diseases originated and evolved is important for disease prevention and management. In this study, we evaluated the phylogenetic relationships of X. fastidiosa strains from citrus, grapevine, and mulberry through the analyses of random amplified polymorphic DNAs (RAPDs) and conserved 16S rDNA genes. RAPD analysis emphasized the vigorous genome-wide divergence of X. fastidiosa and detected three clonal groups of strains that cause Pierce’s disease (PD) of grapevine, citrus variegated chlorosis (CVC), and mulberry leaf scorch (MLS). Analysis of 16S rDNA sequences also identified the …


Meeting Minutes, October 12th, 2002, National Smokejumper Association Board Of Directors Oct 2002

Meeting Minutes, October 12th, 2002, National Smokejumper Association Board Of Directors

National Smokejumper Association Meeting Minutes

Agenda: Pledge of Allegiance was omitted.; Meeting Minutes.; Introduced new director Doug Houston.; Reports.; Treasurer's Report.; Membership Report.; Magazine Report.; Web Report.; Trails Report.; Data Base Report.; Memorial Plaques.; Museum Report.; Next National Reunion.; Public Affairs Officer Position Created.; Folklife Festival Explained.; The 100th anniversary of the Forest service.; We should form an archives committee.; Everyone in attendance at a board meeting should be assigned to a committee.; Those attending board meetings should have name badges Long-Range Plan Revised.; New VP Named.; Nyquest Chief Trash Man in Missoula.; Rohrbach Suggests Lobbying for Additional Smokejumpers.; Twiss Elected.; Proceed with the fabrication …


Verbena Stricta Vent., John E. Ebinger Oct 2002

Verbena Stricta Vent., John E. Ebinger

Specimens by Name

No abstract provided.


Verbena Stricta Vent., John E. Ebinger Oct 2002

Verbena Stricta Vent., John E. Ebinger

Specimens by Name

No abstract provided.


Morus Alba L., John E. Ebinger Oct 2002

Morus Alba L., John E. Ebinger

Specimens by Name

No abstract provided.


Verbena Urticifolia L., John E. Ebinger Oct 2002

Verbena Urticifolia L., John E. Ebinger

Specimens by Name

No abstract provided.


Apc Hearing, John Owens Oct 2002

Apc Hearing, John Owens

John Owens: Speeches and Appearances

Members of the Academic Planning Committee, and others present, I appear before the committee this afternoon to speak about a vertical cut proposed for the West Central Veterinary Diagnostic Laboratory, a cut we in the Institute would not choose to make unless forced by circumstances to do so.

After three rounds of budget cutting there are no budget cuts we can make that will not adversely affect someone, somewhere. Whatever cuts we make, worthwhile programs are gone, our constituents are less well-served, someone affected will think we should have cut something else. We are recommending these cuts because, in our …