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Articles 24571 - 24600 of 25748
Full-Text Articles in Entire DC Network
Relativism Versus Universalism In Human Rights: The Search For Meaningful Standards, Douglas Lee Donoho
Relativism Versus Universalism In Human Rights: The Search For Meaningful Standards, Douglas Lee Donoho
Faculty Scholarship
Douglas Donoho, Relativism Versus Universalism in Human Rights: The Search for Meaningful Standards, 27 Stanford Journal of International Law 345 (1991).
1991 File Geodatabase Containing Photo Point Locations, Aerial Photos, And Flight Maps, City Of Tampa Department Of Sanitary Sewers Bay Study Group, Pete Reehling, Richard Mckenzie
1991 File Geodatabase Containing Photo Point Locations, Aerial Photos, And Flight Maps, City Of Tampa Department Of Sanitary Sewers Bay Study Group, Pete Reehling, Richard Mckenzie
Data Sets
The Bay Study Group was created by the City of Tampa in 1976 to monitor the effects of pollution abatement that occurred in Hillsborough Bay when the city’s wastewater treatment plant was upgraded from primary to advanced treatment in 1979. The Bay Study Group documented a remarkable restoration of water quality parameters and biological indicators in Hillsborough Bay from the mid 1980s until 2009, when it was disbanded. This zip Geodatabase file contains the photo point locations, aerial photos, and flight maps for the year 1991.
The Development And Evaluation Of Computer Assisted Instruction Modules For An Introductory, College-Level Nutrition Course, Carol Byrd-Bredbenner, Kathleen Bauer
The Development And Evaluation Of Computer Assisted Instruction Modules For An Introductory, College-Level Nutrition Course, Carol Byrd-Bredbenner, Kathleen Bauer
Department of Nutrition and Food Studies Scholarship and Creative Works
The purposes of this study were to develop a coordinated set of seven Computer Assisted Instruction (CAI) modules for a one-semester, introductory, college-level nutrition course and to compare the effectiveness of the CAI Modules with traditional lectures. A quasi-Solomon four-group experimental design was used. Two instruments were used to collect pretest and posttest data: a nutrition knowledge test and a Likert-type attitude instrument containing three scales designed to assess students' attitudes toward computers. After finishing each of the seven CAI modules, students in the experimental groups completed a semantic differential attitude instrument containing four scales designed to evaluate student attitudes …
Response [3], Stephen J. O'Brien, Ernst Mayr
Response [3], Stephen J. O'Brien, Ernst Mayr
Biology Faculty Articles
No abstract provided.
Defending Deterrence, Wayne E. Dillingham
Defending Deterrence, Wayne E. Dillingham
Denver Journal of International Law & Policy
No abstract provided.
Some Remarks On Reproducing Kernel Krein Spaces, Daniel Alpay
Some Remarks On Reproducing Kernel Krein Spaces, Daniel Alpay
Mathematics, Physics, and Computer Science Faculty Articles and Research
The one-to-one correspondence between positive functions and reproducing kernel Hilbert spaces was extended by L. Schwartz to a (onto, but not one-to-one) correspondence between difference of positive functions and reproducing kernel Krein spaces. After discussing this result, we prove that matrix value function K(z,ω) symmetric and jointly analytic in z and ω in a neighborhood of the origin is the reproducing kernel of a reproducing kernel Krein space. We conclude with an example showing that such a function can be the reproducing kernel of two different Krein spaces.
Leishmaniasis In A Domestic Goat In Kenya, A. Olufemi Williams, J. Mutinga, M. Rodgers
Leishmaniasis In A Domestic Goat In Kenya, A. Olufemi Williams, J. Mutinga, M. Rodgers
All Peer-Reviewed Publications
The pathological and electron-microscopic features of the first case of autochthonous leishmaniasis affecting a domestic goat in Kenya are described. They are similar to what have been described in man and other animals. Using a short amino-acid sequence common to all the species of leishmania as primers for kDNA synthesis, the intervening sequence of 120 bases was amplified in the goat's tissues by polymerase chain reaction (PCR). The leishmania kinetoplast DNA sequence was detected in all the different infected tissues of the goat examined. The sensitivity and specificity of this assay are discussed. The result of the assay used was …
Screening For Highly Effective Isolates Of Bacillus Thuringiensis Against Spodoptera Exempta And Spodoptera Littoralis, M. Hamal, M. Brownbridge, M. Broza, B. Sneh
Screening For Highly Effective Isolates Of Bacillus Thuringiensis Against Spodoptera Exempta And Spodoptera Littoralis, M. Hamal, M. Brownbridge, M. Broza, B. Sneh
All Peer-Reviewed Publications
Several new isolates of Bacillus thuringiensis Berliner have shown significantly higher levels of insecticidal activity than the previous best isolates (Bt24- entomocidus and IH-A- aizawai) against both Spodoptera littoralis Boisd. and Spodoptera exempta Walker. The best ones, in the following descending order of potency, were: against S. littoralis — K26–21, MF4B–2, MR1–37, K28–30, K26–8; against S. exempta — Bt-3, K30–3, HD-133, MR1–37, Bt-17, K26–8, K26–21, MF4B-2, HD-593. Larvae of S. exempta were considerably more susceptible (4.12–1.25 fold) to some of the isolates (Bt-3, K30–3, HD-133, MR1–37, Bt-17, K26–8, HD-593) than S. littoralis. © 1991, Springer Science + Business Media B.V.. …
Predation On Livestock Ticks By Chickens, S. M. Hassan, O. O. Dipeolu, A. O. Amoo, T. R. Odhiambo
Predation On Livestock Ticks By Chickens, S. M. Hassan, O. O. Dipeolu, A. O. Amoo, T. R. Odhiambo
All Peer-Reviewed Publications
Chickens were shown to be natural predators of ticks. Rhipicephalus appendiculatus were recovered in large numbers from the crops and gizzards of chickens which had scavenged for 30 min-1 h among tick-infested cattle. Other ticks recovered were Amblyomma variegatum and Boophilus decoloratus. The numbers of ticks recovered ranged from 3 to 331, with an average of 81 per chicken. Cattle facilitated the predation of ticks by certain behavioural actions. Chickens also picked up both engorged and unengorged ticks seeded on vegetation, but unengorged ticks were preferred. The possibility of tick predation by chickens forming a viable biological control component in …
Juvenile Hormone Binding To A 500-K Diapause-Associated Protein Of The Stem-Borer, Busseola Fusca, Ellie O. Osir, Gopalan C. Unnithan, Glenn D. Prestwich
Juvenile Hormone Binding To A 500-K Diapause-Associated Protein Of The Stem-Borer, Busseola Fusca, Ellie O. Osir, Gopalan C. Unnithan, Glenn D. Prestwich
All Peer-Reviewed Publications
1. 1. The larval haemolymph of the stem-borer, Busseola fusca Fuller (Lepidoptera: Noctuidae) contains a high molecular weight protein (Mr ∼ 500,000) that is induced only during diapause. This diapause-induced protein, termed Busseola diapause protein (BDP), has been previously isolated and characterized. 2. 2. In this study, BDP has been shown to be a specific juvenile hormone (JH) binder by labelling with epoxybisfarnesyl diazoacetate (EBDA), the photoactivatable analog of JH I (10R, 11S). 3. 3. In a direct binding assay, BDP was also shown to bind [3H]-JH I (10R, 11S) with high affinity (Kd ∼ 120 nM). 4. 4. These …
Pheromonal Trapping Of Chilo Partellus (Swinhoe) (Lepidoptera: Pyralidae) Moths In Relation To Male Population Density And Competition With Females, Gopalan Chandran Unnithan, Kailash Narain Saxena
Pheromonal Trapping Of Chilo Partellus (Swinhoe) (Lepidoptera: Pyralidae) Moths In Relation To Male Population Density And Competition With Females, Gopalan Chandran Unnithan, Kailash Narain Saxena
All Peer-Reviewed Publications
The numbers of laboratory-reared males of Chilo partellus (SWINHOE) which were released, both in a screenhouse and in the field, and recaptured in virgin female-baited traps were positively correlated. Pheromone trap catches were reduced by 75–100% when 18 or 36 virgin females were placed in two concentric circles of radii 10 m and 20 m occupying an area of 1,257 sq m. around the trap. Mated females surrounding the trap did not cause a significant decrease in the trap catch. Tethered virigin females surrounding a virgin female-baited trap competed successfully among themselves and with the trap for receptive males, the …
Host Plant Selection By Helicoverpa Armigera (Lepidoptera: Noctuidae): The Role Of Some Herbivore Attributes, S. Firempong, M. P. Zalucki
Host Plant Selection By Helicoverpa Armigera (Lepidoptera: Noctuidae): The Role Of Some Herbivore Attributes, S. Firempong, M. P. Zalucki
All Peer-Reviewed Publications
The effect of various ‘herbivore’ attributes on oviposition in Helicoverpa armigera were considered in a series of laboratory experiments. Larval diet did not influence the rank order of adult host preference, but early adult experience around a host increased oviposition on that host in subsequent trials. The presence of eggs laid 12 h before did not influence subsequent oviposition on a plant, although newly laid eggs may have. The presence of larvae, larval damage to plants and larval frass reduced oviposition on a plant. These results are discussed in relation to polyphagy in H. armigera. © 1991, CSIRO. All rights …
Electrophoretic Study Of Enzymes From A Glossina Fuscipes Fuscipes Newstead Population From Western Kenya, G. F. Rajendram
Electrophoretic Study Of Enzymes From A Glossina Fuscipes Fuscipes Newstead Population From Western Kenya, G. F. Rajendram
All Peer-Reviewed Publications
Enzymes were investigated, by electrophoresis, in a population of Glossina fuscipes fuscipes Newstead collected from Rusinga Island in Lake Victoria, Western Kenya. The following enzymes were tested: glucose phosphate isomerase. glucose-6-phosphate dehydrogenase (G6PDH). hexokinase, isocitrate dehydrogenase (IDH), malate-dehydrogenase (MDH), phosphoglucomutase, and xanthine dehydrogenase (XDH). Single monomorphic bands were stained by the following enzymes apparently under the control of single loci: G6PDIL MDH, and XDH. The enzyme IDH showed two bands with very close mobilities and no variation among individuals in the population. Hence IDH was considered as representing a single locus. Glucose phosphate isomerase manifested three alleles and apparently six …
Feeding Responses Of Chilo Partellus (Swinhoe) (Lepidoptera: Pyralidae) Larvae To Sorghum Plant Phenolics And Their Analogs, Baldwyn Torto, Ahmed Hassanali, Kailash N. Saxena, Sagary Nokoe
Feeding Responses Of Chilo Partellus (Swinhoe) (Lepidoptera: Pyralidae) Larvae To Sorghum Plant Phenolics And Their Analogs, Baldwyn Torto, Ahmed Hassanali, Kailash N. Saxena, Sagary Nokoe
All Peer-Reviewed Publications
Phagostimulatory responses of third-instar larvae of Chilo Partellus to phenolic components identified in an ethyl acetate extract of the leaf whorls of 3-week-old plants of Sorghum bicolor cultivar IS 18363 were studied in no-choice bioassays. The major components in the extract were identified as 4-hydroxybenzaldehyde and 4-hydroxybenzoic acid, with 4-hydroxy-3-methoxycinnamic acid, 3,4-dihydroxycinnamic acid, and 4-hydroxycinnamic acid present in minor amounts. All but 4-hydroxycinnamic acid were stimulatory at the doses tested. 4-Hydroxybenzaldehyde was more stimulatory than other potential biogenetic analogs. Hydroxybenzoic acids generally elicited greater feeding response than cinnamic acids, and the pattern of oxygen substitution in the benzene ring was …
Mechanisms Of Resistance In Wild Rice Oryza Brachyantha To Rice Leaffolder Cnaphalocrocis Medinalis (Guenée) (Lepidoptera: Pyralidae), R. Ramachandran, Z. R. Khan
Mechanisms Of Resistance In Wild Rice Oryza Brachyantha To Rice Leaffolder Cnaphalocrocis Medinalis (Guenée) (Lepidoptera: Pyralidae), R. Ramachandran, Z. R. Khan
All Peer-Reviewed Publications
A wild rice, Oryza brachyantha, was rated as highly resistant to rice leaffolder, Cnaphalocrocis medinalis (Guenée), while its F1 hybrid from a cross with a high-yielding, leaffolder-susceptible rice, IR31917-45-3-2, was rated resistant in a standard screening test. In comparison with IR31917-45-3-2, O. brachyantha and the F1 hybrid were unsuitable for oviposition, survival, and growth of C. medinalis. However, growth and survival of larvae in artificial diets containing lyophilized leaf powder of IR31917-45-3-2 and O. brachyantha were comparable. Studies on the feeding and settling preference of the larval stages suggested that the mechanism of resistance of O. brachyantha is that of …
Enhancement Of Diapause Development In A Stem Borer, Busseola Fusca (Lep.: Noctuidae) By Dry Conditions, Takashi Okuda
Enhancement Of Diapause Development In A Stem Borer, Busseola Fusca (Lep.: Noctuidae) By Dry Conditions, Takashi Okuda
All Peer-Reviewed Publications
Water was an important factor for diapause termination only during the late stage of the diapause in Busseola fusca. Exposure to dry conditions for 2 months accelerated diapause development more. Diapause development proceeded at warm temperatures only. © 1991, JAPANESE SOCIETY OF APPLIED ENTOMOLOGY AND ZOOLOGY. All rights reserved.
Volatile Components Of Banana Pseudostem Of A Cultivar Susceptible To The Banana Weevil, Isaiah O. Ndiege, William J. Budenberg, Wilber Lwande, Ahmed Hassanali
Volatile Components Of Banana Pseudostem Of A Cultivar Susceptible To The Banana Weevil, Isaiah O. Ndiege, William J. Budenberg, Wilber Lwande, Ahmed Hassanali
All Peer-Reviewed Publications
Volatiles from banana ('githumo''cultivar) pseudostem were trapped using porapak S. The trapped volatiles were desorbed from porapak columns by elution with dichloromethane and analysed using GC and GC-MS. The volatile compounds identified included α-pinene, β-pinene, β-myrcene, limonene, α-cubebene, α-copaene, α-cedrene, β-caryophyllene and α-humulene. © 1992.
Trap-Catches, Nutritional Condition And The Timing Of Activity Of The Tsetse Fly Glossina Longipennis (Diptera: Glossinidae), Sarah E. Randolph, D. J. Rogers, R. D. Dransfield, R. Brightwell
Trap-Catches, Nutritional Condition And The Timing Of Activity Of The Tsetse Fly Glossina Longipennis (Diptera: Glossinidae), Sarah E. Randolph, D. J. Rogers, R. D. Dransfield, R. Brightwell
All Peer-Reviewed Publications
Samples of Glossina longipennis Corti, taken over four days in traps (baited with acetone, cow urine and octenol) at half-hourly intervals during their restricted activity periods at dusk and dawn, were analysed for their nutritional condition. For both sexes, trap catches were highest at the end of dusk, between 19.00 and 19.30 h, associated with a significant increase in numbers with the low haematin content characteristic of flies estimated to have fed more than 60 hours previously. Also, the mean fat content of these flies was significantly lower than that of those trapped earlier. There was considerable day-to-day variation in …
Commitment To Metamorphosis In Tsetse (Glossina Morsitans Centralis): Temporal, Nutritional And Hormonal Aspects Of The Decision, David L. Denlinger, Jan Žďárek
Commitment To Metamorphosis In Tsetse (Glossina Morsitans Centralis): Temporal, Nutritional And Hormonal Aspects Of The Decision, David L. Denlinger, Jan Žďárek
All Peer-Reviewed Publications
Larvae of Glossina morsitans centralis were manually extruded from the uterus of the female at different times during the third (final) larval instar to evalute their competence to initiate metamorphosis. Parturition is a gated response in tsetse, and in this species the peak of activity occurred 8.7 h after the onset of the daily 12 h photophase. Larvae aborted a few hours prematurely were completely competent to crawl and pupariated within 1-2 h, but a portion of the puparia blackened before tanning. Younger larvae (22.9 mg vs full grown weight of 33.6 mg) were also competent to crawl, but after …
Monitoring Secondary Outbreaks Of The African Armyworm In Kenya Using Pheromone Traps For Timing Of Bacillus Thuringiensis Application, M. Broza, M. Brownbridge, B. Sneh
Monitoring Secondary Outbreaks Of The African Armyworm In Kenya Using Pheromone Traps For Timing Of Bacillus Thuringiensis Application, M. Broza, M. Brownbridge, B. Sneh
All Peer-Reviewed Publications
The arrival of male moths of the African armyworm, Spodoptera exempta Walker, was monitored in Kenya using pheromone traps. Peak trap counts were obtained during March 1989, and were concentrated in three out of nine traps distributed in small farms in an area of 625 km2 in Lambwe valley, South Nyanza. Large numbers of egg masses were located on dry stalks of last year's cereals in wild cynodon grass situated around the crop fields. Smaller numbers were found on the underside of the first emerged leaves of maize seedlings. Few egg masses were found on millet crops. Application of a …
Histopathology Of Attachment Sites Of Amblyomma Variegatum And Rhipicephalus Appendiculatus On Zebu Cattle Of Varying Resistance To Ticks, A. A. Latif, D. K. Punyua, P. B. Capstick, S. Nokoe, A. R. Walker, J. D. Fletcher
Histopathology Of Attachment Sites Of Amblyomma Variegatum And Rhipicephalus Appendiculatus On Zebu Cattle Of Varying Resistance To Ticks, A. A. Latif, D. K. Punyua, P. B. Capstick, S. Nokoe, A. R. Walker, J. D. Fletcher
All Peer-Reviewed Publications
Mature, unimproved East African Zebu cattle (Bos indicus) naturally exposed to ticks from birth were ranked for resistance to ticks by repeated whole-body counts of infesting ticks. Four cattle of high resistance, four of low resistance and two of intermediate resistance were artificially infested with nymphs of Amblyomma variegatum and Rhipicephalus appendiculatus. Two Friesian cattle (Bos taurus) with less exposure to ticks were similarly infested. Biopsies of tick attachment sites were examined histologically. All attachment sites showed acute inflammatory lesions, and sites of both tick species on high resistance cattle showed delayed hypersensitive reactions with intra-epidermal pustulation and significant increases …
Lipophorin From The Tsetse Fly, Glossina Morsitans Morsitans, James O. Ochanda, Ellie O. Osir, Edward K. Nguu, Norah K. Olembo
Lipophorin From The Tsetse Fly, Glossina Morsitans Morsitans, James O. Ochanda, Ellie O. Osir, Edward K. Nguu, Norah K. Olembo
All Peer-Reviewed Publications
1. 1. Lipophorin was isolated from the haemolymph of adult tsetse fly, Glossina morsitans morsitans, by ultracentrifugation in a potassium bromide density gradient. 2. 2. The tsetse fly lipophorin (Mr {reversed tilde equals} 600,000) has a density of {reversed tilde equals} 1.11 g/ml and consists of two apoproteins, apolipophorin-I (apoLp-I, Mr {reversed tilde equals} 250,000) and apolipophorin-II (apoLp-II, Mr {reversed tilde equals} 80,000), both of which are glycosylated as shown by staining with periodate-Schiff reagent. The protein complex is composed of 49% protein and 51% lipids. 3. 3. The finding of lipophorin in tsetse fly haemolymph suggests that, although these …
Infection Rates In Glossina Morsitans Morsitans Fed On Waterbuck And Boran Cattle Infected With Trypanosoma Congolense, Steve Mihok, Reardon O. Olubayo, David F. Wesonga
Infection Rates In Glossina Morsitans Morsitans Fed On Waterbuck And Boran Cattle Infected With Trypanosoma Congolense, Steve Mihok, Reardon O. Olubayo, David F. Wesonga
All Peer-Reviewed Publications
Teneral Glossina morsitans morsitans were fed on waterbuck (Kobus defassa) and Boran cattle (Bos indicus) infected experimentally with Trypanosoma congolense clone IL2895. Infection rates in tsetse varied from 9 to 31% when fed on cattle, and from 2 to 59% when fed on waterbuck. In waterbuck, infections were often detected through the development of parasites in tsetse at times when parasitaemia could not be detected through microscopic examination of blood. Male and female, and 1- and 2-day-old flies were equally susceptible to infection on both hosts. Infection in tsetse was associated with a 14% absolute reduction in survival during the …
Pathogenicity Of Tsetse-Transmitted Trypanosoma Congolense For Waterbuck (Kobus Defassa) And Boran Cattle (Bos Indicus), R. O. Olubayo, S. Mihok, D. F. Wesonga, E. R.M. Mbwabi
Pathogenicity Of Tsetse-Transmitted Trypanosoma Congolense For Waterbuck (Kobus Defassa) And Boran Cattle (Bos Indicus), R. O. Olubayo, S. Mihok, D. F. Wesonga, E. R.M. Mbwabi
All Peer-Reviewed Publications
Five waterbuck (Kobus defassa) and four Boran cattle (Bos indicus) were infected with Trypanosoma congolense IL2895 using Glossina morsitans morsitans. At the same time, two waterbuck and two cattle were inoculated intravenously with bloodstream forms. With both methods of challenge, cattle had short prepatent periods followed by a continuous high parasitaemia. All cattle became severely anaemic and had to be treated with trypanocidal drugs to prevent death. In contrast, tsetse and intravenous challenge of waterbuck resulted in a long prepatent period, followed by brief, intermittent levels of low parasitaemia, and eventual selfcure. Waterbuck did not become anaemic, even during short …
Structural Studies On The Major Milk Gland Protein Of The Tsetse Fly, Glossina Morsitans Morsitans, Ellie O. Osir, Michael Kotengo, Mohammed F.B. Chaudhury, Leonard H. Otieno
Structural Studies On The Major Milk Gland Protein Of The Tsetse Fly, Glossina Morsitans Morsitans, Ellie O. Osir, Michael Kotengo, Mohammed F.B. Chaudhury, Leonard H. Otieno
All Peer-Reviewed Publications
1. 1. The major protein in the milk gland secretions of the tsetse fly, Glossina morsitans morsitans, was isolated by a combination of gel permeation chromatography and crystallization. 2. 2. It has a native Mr ∼47,000 and is composed of two identical polypeptide chains (Mr ∼21,000) as determined by chemical cross-linking studies. The protein has no covalently-bound carbohydrates or lipids. Amino acid analysis of the protein revealed relatively high amounts of the aromatic amino acids, tyrosine (9.1 mol.%) and phenylalanine (8.5 mol.%). Immunoblotting experiments using antiserum against the protein revealed no cross-reactivity with any other milk proteins. 3. 3. Quantitation …
1990.2 - Ecology Museum Alliance Airport, Martin Price, Kathleen Korba
1990.2 - Ecology Museum Alliance Airport, Martin Price, Kathleen Korba
School of Architecture Student Projects - Archive
Design work from the 1990 fall semester, Studio Martin Price, School of Architecture, The University of Texas at Arlington. Ecology Museum. Kathleen Korba. An area of magnificent natural surroundings in the northwestern area of Fort Worth is the location for the museum. The principal feature is the exterior path that traverses the site as a hollowed-out section of land, making it one with the land. The retaining walls form the facades of the exhibition and ancillary spaces of the museum. An interior path snakes through a continuously torqued plane that twists from a horizontal to a vertical position. Instead of …
Helping Low-Income Elderly With Money Management, Joan C. Koonce
Helping Low-Income Elderly With Money Management, Joan C. Koonce
Journal of Extension
No abstract provided.
Perceptions Of Paraprofessional Effectiveness, James C. Edwards, Irwin Jahns
Perceptions Of Paraprofessional Effectiveness, James C. Edwards, Irwin Jahns
Journal of Extension
No abstract provided.
Water As A Limiting Factor In The Development Of Urban Trees, James R. Clark, Roger Kjelgren
Water As A Limiting Factor In The Development Of Urban Trees, James R. Clark, Roger Kjelgren
Plants, Soils, and Climate Faculty Publications
Trees growing in urban and forest situations experience internal water stress. Water may be a significant growth limiting factor in both situations. Supply and demand considerations, such as the reservoir of water in urban soils and the atmospheric factors which regulate demand, are important. Urban foresters may play an important role in managing water deficits through timely irrigation and species selection. The differential responses of tree taxa to internal water stress makes species selection critical in managing urban trees. Yet the lack of comprehensive experimental observations of tree response to drought in cities makes this difficult.
The Heuristic Powers Of Indian Literatures: What Native Authorship Does To Mainstream Texts, Kenneth M. Roemer
The Heuristic Powers Of Indian Literatures: What Native Authorship Does To Mainstream Texts, Kenneth M. Roemer
English Faculty Publications - Archive
No abstract provided.