485 research outputs found
Autograph of Jo Mink Dunham in "From Self-Esteem to Sex-Esteem"
No full textThe title page and an autograph by the author, Jo Mink Dunham, in their work ""From Self-Esteem to Sex-Esteem: Lessons from the Gender Evolution of 'The Girls'"" with an inscription.To Gloria - August 26, 2015 I hope we meet some day. I would love to work with you in some way. This book did not have a wide distribution and the timing of a new release or enhanced edition would be, I believe, well received now should you be interested. jo dunha
NPS Concludes Sleep Study aboard Jason Dunham
No full texthttp://www.navy.mil/submit/display.asp?story_id=71230Article author is Mass Communication Specialist 2nd Class Deven King, USS Jason Dunham Public AffairsUSS JASON DUNHAM, At Sea (NNS) -- Sailors aboard guided-missile destroyer USS Jason Dunham
(DDG 109) concluded their participation in a two-week sleep study, Dec. 17.
The study was conducted by personnel from the Naval Postgraduate School (NPS) who came
aboard Jason Dunham to interview crewmembers about their watch rotations and monitor their
sleep patterns, activity periods and reaction times
Aquaculture abd fisheries biotechnology : genetic approach/ Dunham
No full textix, 372 hal.: ill.; 23 cm
Review Of Katherine Dunham: Dancing A Life By J. Aschenbrenner
No full textAlso author of Katherine Dunham: Reflections on the Social and Political Contexts of Afro-American Dance (1981), Aschenbrenner (emer., anthropology, Southern Illinois Univ.) draws on her more than 25-year association with Dunham and her knowledge of Dunham\u27s school and company. The volume is the first to contextualize Dunham\u27s views on anthropology and dance and to focus on the ways that she employed each discipline in service of social activism. Aschenbrenner interweaves biographical sketches and details with more comprehensive discussions of Dunham\u27s life\u27s work. She includes reflections from Dunham\u27s own beautifully written memoirs (A Touch of Innocence, 1959, and Island Possessed, 1969) and from students, former company members, and friends. Written in accessible prose, the book includes a clear record of the company\u27s touring history along with descriptions of Dunham\u27s educational and cultural programs developed in and for the community of East St. Louis. Four well-organized appendixes provide biographical details, choreographic records, major honors and awards, and information on lectures and publications. Useful endnotes and ten pages of black-and-white photographs supplement the text. Summing Up: Highly recommended. Collections serving scholars and practitioners of dance at all levels
Journey through genius: the great theorems of mathematics
No full textIn Journey through Genius, author William Dunham strikes an extraordinary balance between the historical and technical. He devotes each chapter to a principal result of mathematics, such as the solution of the cubic series and the divergence of the harmonic series. Not only does this book tell the stories of the people behind the math, but it also includes discussions and rigorous proofs of the relevant mathematical results
An American Looks at Legal Education in New Zealand
No full textThis article undertakes an informal comparison between legal education in the United States and in New Zealand. Dunham compares the admission process, the content taught at law school, the methods of instruction, law office practice for students, and the student makeup. The author concludes that no system of legal education is best, and that it is important to continue to ask how legal education can be improved. 
NEW ALTERNATIVE TO THE DUNHAM POTENTIAL FOR DIATOMIC MOLECULES
No full textPresent address of Gary Simons: Department of Chemistry, Wichita State University, Wichita, Kansas, 67208.Author Institution: Department of Chemistry, The Johns Hopkins UniversityA new systematic procedure for constructing potential curves for diatomic molecules is developed. The procedure is similar to the wellknown Dunham method, except that the expansion parameter is ( instead of . The new expansion, which has a formal theoretical basis, is shown to be superior in terms of both rate of convergence and region of convergence. The proper behavior of the potential at large R is shown to allow one to calculate dissociation energies directly from the Dunham coefficients. Several diatomics are explicitly treated, and possible extensions and applications to polyatomic molecules are discussed
Alternative Approaches for Repressible Transgenic Sterilization of Channel Catfish (Ictalurus punctatus)
No full textTransgenic sterilization has the potential for accomplishing 100% reproductive confinement to avoid genetic communication of transgenic or domestic genotypes with wild populations. Two strategies of transgenic sterilization were developed and tested in channel catfish (Ictalurus punctatus). For the first strategy, three sterilization constructs (Nanos-nanos, Nanos-dnd, Dazl-vasa) were introduced into channel catfish embryos to overexpress the Bax gene specifically in the germ line to ablate the germ cells, leading to infertility. Four-year-old Nanos-nanos, Nanos-dnd, or Dazl-vasa construct exposed males, but not females, had significantly lower (p < 0.05) gonadosomatic index (GSI) than the control, and lower (p < 0.05) percentages (54.2%, 44.4%, 56.7%, respectively) of individuals with a gonad development score ≤ 2 (maximum = 5) than the control (0.0%). Mosaicism of transgene integration was widely observed in the P1 fish. Unexpectedly, doxycycline treatment did not effectively suppress expression of the transgene, indicating efficient reversible transgenic sterilization will likely not be possible for this system. This study demonstrated that the overexpression of Bax gene could lead to the death of germ cells in the male fish with high efficacy, and could be useful to produce sterile fish when repressible control is not needed. The second strategy aimed to disrupt the reproductive endocrine regulation of channel catfish by overexpression of glutamic acid decarboxylase (GAD) to increase γ-aminobutyric acid (GABA) level, thereby producing infertile fish. Repressed reproductive performance was observed in all generations of GAD transgenic fish examined, as revealed by less mature fish in the F1 generation at the age of 5, fewer fish spawned naturally in the F1 (6 and 9-year-old) and F2 (3-year-old) generations, and lower serum GnRH levels in the 1-year-old F2 fish. Interestingly, male transgenic fish showed lower (p < 0.05) serum levels of GnRH and testosterone than control fish at the age of 4, indicating a different regulation mode of GABA on GnRH in adult males than females as transgenic and control females were not different. Overexpression of GAD could repress the reproductive performance of channel catfish, hormone therapy could sometimes restore fertility, but further research is needed to make this approach 100% effective
The Effect of Diet and the Masou Salmon Delta5-Desaturase Transgene on Delta6-Desaturase and Stearoyl-CoA Desaturase Gene Expression and N-3 Fatty Acid Level in Common Carp (Cyprinus carpio)
No full textThe omega-3 polyunsaturated fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) play important roles in human health. Transgenic technology and diet regulation elevated the omega-3 fatty acid levels in common carp (Cyprinus carpio). Masou salmon Δ5-desaturase-like gene driven by the common carp β-actin promoter (D5D) was transferred into common carp that were later fed two different diets (a formulated diet containing high fatty acid substrates (C18:2n-6/C18:3n-3), high polyunsaturated fatty acid (PUFA) but low highly unsaturated fatty acid (HUFA), and a commercial diet containing low fatty acid substrates, but high PUFA and HUFA to determine its effect on the transcription level of endogenous Δ6-desaturase-like gene (D6D) and stearoyl-CoA desaturase（SCD）in four tissues, muscle, liver, brain and gonad and omega-3 fatty acid content in muscle. The transgene was randomly distributed in all four tissues screened, liver, brain, muscle, and gonad with 8.3%, 10%, 21.7%, and 26.7% of individuals transgenic, respectively, for these 4 tissues. In some cases, the transgene was found in 2 tissues (1.7-5.0%), but no fish were detected that were transgenic in 3 tissues. Quantitative reverse-transcriptase PCR (qRT-PCR) of D6D gene expression in the common carp fed commercial diet tissues showed a rank high to low order of brain, liver, gonad and muscle. And SCD gene expression in the common carp fed commercial diet tissues showed a rank high to low order of liver, brain, gonad and
muscle. The D6D and SCD mRNA level were 8.5-fold and 9.1-fold higher in non-transgenic fish liver fed commercial diet than that fed formulated diet, respectively. The SCD mRNA level was 2.2-fold higher in non-transgenic fish muscle fed formulated diet than that fed commercial diet. For the fish fed commercial diet: 1) D6D and SCD mRNA level in muscle of transgenic fish were up-regulated (P<0.05) 12.7-fold and 17.9-fold, respectively, compared to that of non-transgenic fish. 2) D6D mRNA level in the gonad of transgenic fish was up-regulated 6.9-fold (P<0.05) compared to that of non-transgenic fish. 3) In contrast, D6D and SCD mRNA level in the brain of transgenic fish were dramatically down-regulated 50.2-fold and 16.7-fold (P<0.05), respectively, compared to non-transgenic fish. 4) D6D and SCD mRNA level in liver of transgenic fish was down-regulated (P<0.05) 5.4-fold and 2.4-fold, respectively, compared to non-transgenic fish. For the fish fed formulated diet: 1) D6D and SCD mRNA level in muscle of transgenic fish were up-regulated (P<0.05) 41.5-fold and 8.9-fold, respectively, compared to that of non-transgenic fish. 2) D6D and SCD were also up-regulated in liver of transgenic fish, 6.0-fold and 3.3-fold (P<0.05), respectively, compared to non-transgenic fish. 3) In contrast, D6D and SCD mRNA level in the gonad of transgenic fish were down-regulated 5.5-fold (P<0.05) and 12.4-fold (P< 0.05) respectively compared to that of non-transgenic fish. 4) Additionally, D6D and SCD mRNA level in the brain of transgenic fish were down-regulated 14.9-fold and 1.4-fold (P<0.05), respectively, compared to non-transgenic fish. Fatty acid (FA) in the muscle of common carp fed the commercial diet had a higher level of EPA, 1.18-fold (P<0.05), docosapentaenoic acid (DPA) was 1.11-fold (P<0.05) and that of total n-3 was 1.05-fold (P<0.05) than in the muscle of fish fed the formulated diet. The transgenic common carp fed the commercial diet had a 1.07-fold EPA, 1.12-fold DPA, 1.07-fold DHA and a 1.07-fold higher observed total omega-3 fatty acid level than non-transgenic common carp, although these trends were not statistically different (P<0.05). However, this observed trend was not present in fish fed the formulated diet. The results demonstrate that the fatty acid metabolic pathway in fish can be modified by the transgenic technology and diet. The long-term goal is to produce common carp that transmit the Masou Salmon D5D transgene to future generations and optimize the transgene construct and feed formula, leading to commercial application to increase the production of food fish, with elevated omega-3 fatty acids reducing the pressure on natural populations of fish containing these valuable fatty acid profiles and adding value to aquaculture products
Approaches to Improve Production and Performance of Channel Catfish (Ictalurus punctatus) Female x Blue Catfish (I. furcatus) Male Hybrid Catfish
No full textXenogenesis was studied as a method for the production of hybrid catfish fry via mating xenogeneic males with normal channel catfish Ictalurus punctatus females. Spermatogonial type A cells were isolated from blue catfish I. furcatus. Cells were transplanted into confirmed triploid channel catfish. The live cells were introduced to the gonads of the host via catheterization or by surgery followed by injection. A mean of 5.23x105 cells (2x104 – 1.43x106) were introduced by catheterization and mean of 7.25x105 cells (5x104- 1.8x106) cells injected via surgical injection. DNA was analyzed from biopsies of the gonads and 80% of the fish were xenogenic, having blue catfish cells in their gonads. Ten months after implantation, a sample of 8 males were tested and 7 were xenogenic. The xenogenic males successfully courted normal channel catfish that had been hormone induced, but none of the eggs hatched, indicating inadequate sperm production or an inability to ejaculate. However, some males testes were well-developed morphologically, and large scale sperm production was detected in 3 of 7 xenogenic males examined two years after transplantation and after hormone therapy with luteinizing hormone releasing hormone analogue. Sperm was removed from a male that had been surgically transplanted with blue catfish cells, and used to fertilize eggs from a hand-stripped channel catfish female. One percent of these eggs hatched. All seven surviving 6-month-old progeny of this male had the external morphology, swim bladder shape, nuclear DNA profile and mitochondrial DNA profile of F1 channel catfish female
X blue catfish male hybrids. This indicates that the sire was indeed a xenogenic channel catfish producing only sperm from blue catfish and these progeny were produced through xenogenesis. This is the first report of successful production of xenogenic catfish, and the first report of producing 100% hybrid progeny through xenogenesis in fish.
The second study investigated genotype- environment (GE) interactions of eight genetic types of channel catfish female x blue catfish male catfish hybrids. These hybrids were reared in four different environments; a low density pond, high density pond, split pond and in-pond raceway. Feed conversion ratio (FCR) by environment was better than what is usually expected for research and on farm for ictalurid catfish.
The FCR was 1.28, 1.99, 1.65 and 1.52 for the low density pond, high density pond, split pond and in-pond raceway, respectively. Genetic type, sex, environment and all possible interactions affected body weight for the different genetic types of channel catfish female x blue catfish male hybrids (P <0.05). MS X RG and KS X RG were the largest two genetic types in each environment, indicating that a single genetic enhancement program could address the improvement of hybrid performance for all culture systems used in the catfish industry. Hybrids produced by MS and KS females selected for increased body weight for 8 generations were larger compared to hybrids from MR and KR random controls in all environments. GE interactions were observed in regards to the sex, and differences were found (P<0.05) between males and females for final body weight. Survival in high density pond, split pond and in-pond raceway from stocker stage to the harvest in the current experiment was as high as 96%. Harvestability was impacted by environment (P < 0.05). Fish from the high density pond and the in-pond raceway, respectively, were the easiest to capture
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