Proceedings of the North Dakota Academy of Science articles from April 1 2002

Proceedings of the North Dakota Academy of Science archives from April 1 2002

Conception rate to timed artificial insemination protocols in lactating dairy cows.(COMMUNICATIONS: GRADUATE)(Report)
April 1, 2002... INTRODUCTION. Synchronization of ovulation using a combination of prostaglandin F [sub.2][alpha] (PGF) and gonadotropin releasing hormone (GnRH) (termed "Ovsynch") is an effective timed artificial insemination (TAI) protocol for increasing heat...

Extracellular matrix changes in parturition.(COMMUNICATIONS: GRADUATE)(Report)
April 1, 2002... BACKGROUND Cervical ripening during parturition is a dramatic process of tissue remodeling that produces drastic changes in the biomechanical properties of the tissue. Proper timing of these biomechanical and biochemical changes, combined with...

Influence of phosphorylation on the half-life of the regulatory subunit of Type I cAMP-dependent protein kinase.(COMMUNICATIONS: GRADUATE)(Report)
April 1, 2002... INTRODUCTION Previous work by this lab has identified an in vivo phosphorylation at Ser-81 of the type I regulatory subunit (RI[alpha]) of cAMP-dependent Protein Kinase (PKA) by mass spectrometry (I). Sequence analysis suggests that Ser-81...

Gap junctional protien connexin (Cx) 43 expression in cumulus oocyte complex (COC) of ewes treated with follicle stimulating hormone (FSH).(COMMUNICATIONS: GRADUATE)(Report)
April 1, 2002... INTRODUCTION. Somatic cell-oocyte interactions via gap junctions are essential for oocyte growth, provision of substrate for metabolism, cytoplasmic maturation of the oocyte, inhibition of transcription of maternal genes and maintenance of...

Brownian dynamics of rabbit glyceraldehyde-3-phosphate dehydrogenase (GAPDH) mutants binding rabbit F-actin.(COMMUNICATIONS: GRADUATE)(Report)
April 1, 2002... Introduction F-actin, the polymerized form of actin, can play a significant role in cellular metabolism by enhancing specificity of reactions in various metabolic pathways. F-actin has been shown to bind glycolytic enzymes like...

Communications: graduate.(symposium)(Calendar)
April 1, 2002... A. Rodger Denison Competition--Graduate Division River Valley Room--Memorial Union Moderator: Dr. Margaret Nordlie, University of Mary, Bismarck Judges: Dr. James Swain, USDA/ARS Human Nutrition Research Center, ...

Petrology of the Tot Mountain lavas, Mount Bachelor, Central Oregon High Cascades: interpretation based on detailed geochemical and petrographic analysis.(COMMUNICATIONS: UNDERGRADUATE)(Report)
April 1, 2002... INTRODUCTION The Cascade mountain range in the Pacific Northwest is an area which has been volcanically active for about 40 Ma. Mount Bachelor is a shield volcano that formed between 18,000 and 11,000 years ago. It is located in the High...

The ontogeny of tibial spurs in Eurycea salamanders.(COMMUNICATIONS: UNDERGRADUATE)(Report)(Brief article)
April 1, 2002... INTRODUCTION While tibial spurs are found in most families of salamanders, the function of this feature is still unknown. Possibly a sesamoid bone, the spur could function as muscle or ligament attachment site, or possibly for increased...

Dietary copper but not dietary zinc decreases protein kinase C[alpha] expression and dimethylhydrazine-induced aberrant crypt foci formation in the rat colon.(COMMUNICATIONS: UNDERGRADUATE)(Report)
April 1, 2002... Worldwide, colon cancer is the fourth greatest cause of cancer death. In the United States, it is the second leading cause of cancer mortality. It is believed that diet is the single largest factor to bring about colon cancer and may account...

Thermal desorption of mercury from coal fly ash.(COMMUNICATIONS: UNDERGRADUATE)(Report)
April 1, 2002... In 1998, there were nearly 63 million tons of coal combustion fly ash produced in the United States. Approximately 21.1 million tons was utilized, and the rest (41.9 million tons) was disposed generally in large monofills or in ash ponds (1)....

The role of nitric oxide and oxidative stress in cardiac ventricular myocyte excitation-contraction coupling dysfunction under simulated diabetes.(COMMUNICATIONS: UNDERGRADUATE)
April 1, 2002... We have shown that ventricular myocytes maintained in a high glucose (HG) culture medium exhibit abnormalities in excitation-contraction coupling (ECC) simulating in vivo diabetes. Nitric oxide (NO), an important regulator of cardiac function,...

Correlation between variation in flight speeds and wing morphology of North American dabbling ducks (Anus).(COMMUNICATIONS: UNDERGRADUATE)
April 1, 2002... INTRODUCTION In observations of ducks in flight there is an apparent difference in flight speed between species. This study was designed to verify if flight speeds are varied between species of dabbling ducks and if difference in wing...

Effects of light, growth history and temperature on larval life history parameters of Ambystomatid salamanders.(COMMUNICATIONS: UNDERGRADUATE)
April 1, 2002... INTRODUCTION In salamanders, two developmental pathways can be followed to attain sexual maturity. An animal can metamorphose prior to maturation, or it can become paedomorphic, thus reaching sexual maturity without (or at least, prior to)...

Auxin-induced leaf growth inhibition in Phaseolus vulgaris (the common bean).(COMMUNICATIONS: UNDERGRADUATE)
April 1, 2002... INTRODUCTION Auxin (indole acetic acid), a plant growth hormone, has long been thought to only control vein elongation in leaf growth (1). However, it is now known to be essential for leaf vein patterning in Arabidopsis (2) and the...

Comparison of population characteristics and morphological features of painted turtles from two sloughs in Western Minnesota.(COMMUNICATIONS: UNDERGRADUATE)
April 1, 2002... INTRODUCTION In recent years, turtles have received renewed interest partly because of concerns pertaining to commercial harvest for food and the pet trade. The painted turtle (Chrysemys picta) is the most widely distributed North American...

Heavy mineral analysis of sandstone using an XRD-Rietveld method.(COMMUNICATIONS: UNDERGRADUATE)(X-ray diffraction)
April 1, 2002... INTRODUCTION The major constituents of sandstones are quartz and feldspar grains, and in some cases lithic (rock) fragments. The nature and relative abundances of these grains reflect the source area and the transportation history....

Ectypodus lovei from the Medicine Pole Hills Local Fauna (Chadronian, latest Eocene), Bowman County N.D.(COMMUNICATIONS: UNDERGRADUATE)
April 1, 2002... INTRODUCTION The study of the Multituberculate, Ectypodus lovei, is part of a larger analysis of the small mammal fauna from the Medicine Pole Hills Local Fauna. The marsupials (1,2) and the small artiodactyl, Leptomeryx (3), are the only...

Communications: undergraduate.(conference)(Calendar)
April 1, 2002... A. Rodger Denison Competition--Undergraduate Division River Valley Room--Memorial Union Moderator: Dr. Ron Jyring, Bismarck State College Judges: Ms. Melissa Kennedy, University of North Dakota Dr. Margaret Nordlie,...

Promoting geoscience education through digital imagery--using GeoDIL in the classroom.(Symposium)(digital image)
April 1, 2002... INTRODUCTION The geosciences provide stimulating fields of research, but somehow, few nongeologists associate mountains, earthquakes, flooding, fossils, or volcanoes with the exciting work done by geologists or geoscientists. Sure, some...

The importance of hands-on learning experiences for science-bound youth.(Symposium)
April 1, 2002... INTRODUCTION Last spring, the geology classes at Red River High School conducted an experiment to gain a total chemical and physical view of the Red River of the North. With the help of Charlene Crocker and Dan Daly of the Energy &...

Effects of hormonal treatment on follicular development and oocyte quality in anestrous ewes treated with follicle stimulating hormone (FSH).(COMMUNICATIONS: GRADUATE)(Report)
April 1, 2002... INTRODUCTION The number of developing follicles, oocytes and embryos obtained from animals must be optimized to maintain high efficiency of assisted reproductive technologies. Numerous studies have focused on developing hormonal treatments...

Communications: professional.(symposium)(Calendar)
April 1, 2002... NDAS SENIOR ACADEMY PROGRAM Sioux Room--Memorial Union Thursday, April 25 Moderators: Fariba Roughead, USDA/ARS-Grand Forks Human Nutrition Research Center Douglas Munski, University of North Dakota 1:15 Welcome Fariba...

Inadequate copper intake reduces serum insulin-like growth factor-1 (IGF-1) concentration and bone strength in growing rats.(COMMUNICATIONS: PROFESSIONAL)(Report)
April 1, 2002... BACKGROUND: Decreased serum concentrations of IGF-I are reported to be strongly associated with an increased risk of osteoporotic fractures (1). It is generally believed that serum concentration of IGF-1 is controlled by food intake, however,...

Carbonyl iron is a more effective hemoglobin repletion agent than electrolytic or reduced iron powder in rats.(COMMUNICATIONS: PROFESSIONAL)(Report)
April 1, 2002... INTRODUCTION Fortification of food with elemental iron (Fe) powder is designed to reduce Fe deficiency anemia, but little or no verification exists as to the efficacy of elemental Fe powders used widely as food fortificants today. Our...

A European map assessment as a UND Bush Scholarship of Teaching Activity.(COMMUNICATIONS: PROFESSIONAL)(University of North Dakota)
April 1, 2002... Teacher trainees in social studies, earth science, and geography are expected to be able to not only have good map reading and interpretation abilities but be able to teach those skills as appropriate to the students in their chosen K-12...

Cognitive dissonance theory and judges' scores at a springboard diving championship.(COMMUNICATIONS: PROFESSIONAL)(Report)
April 1, 2002... Cognitive dissonance theory (1) postulates that when individuals receive information contrary to their beliefs they may try to relieve the dissonance by decreasing their number of inconsistent behaviors (balance theory) or increasing their...

Report: Lignite: fuel or feedstock?(COMMUNICATIONS: PROFESSIONAL)
April 1, 2002... The exploitation of fossil fuel resources within North Dakota contributes -12% annually to the State's economy. A portion of this revenue arises from the operation of the Great Plains Synfuels Plant by Dakota Gasification Company, a subsidiary...

Regional and whole body composition and bioelectrical impedance analysis (BIA).(COMMUNICATIONS: PROFESSIONAL)
April 1, 2002... The use of BIA to reliably estimate whole body composition requires standardized methodology (1). The usual tetrapolar method uses electrode placement on the right hand and foot; another approach uses the left hand and foot. Recently marketed...

Effect of exogenous auxins on leaf expansion in the common bean (Phaseolus vulgaris).(COMMUNICATIONS: PROFESSIONAL)(Report)
April 1, 2002... INTRODUCTION Plant growth and development is orchestrated by several classes of morphogens. Chief among these are the auxins (from the Greek for "to grow"). The principle naturally occuring auxin is indole acetic acid (IAA). IAA is...

A comparison of ultimate pullout strength of four bioabsorbable tacks.(COMMUNICATIONS: PROFESSIONAL)(Report)
April 1, 2002... PURPOSE Bioabsorbable tacks historically have been used to fixate non-contractile tissue such as the glenoid labrum but are currently being used during the repair of contractile tissue such as the supraspinatus tendon. Research has not yet...

Progress report on the UND Bush grant map reading and interpretation project.(COMMUNICATIONS: PROFESSIONAL)(University of North Dakota)
April 1, 2002... Map reading and interpretation is a form of communication that has lifelong learning implications which is why it is an important concern of more than academic geographers (1,2). While it is not soley confined within the teaching of geography,...

Lorenzo's Oil and the blood brain barrier: ramifications for the treatment of x-linked Adrenoleukodystrophy.(COMMUNICATIONS: PROFESSIONAL)(Clinical report)
April 1, 2002... Adrenoleukodystrophy is a rapid, progressive demyelinating disease affecting the CNS that is characterized by large increases in plasma and tissue very long saturated fatty acids (VLCFA). Lorenzo's oil (LO), consisting of erucic (22:1 n-9) and...

Constitution of the North Dakota Academy of Science.(COMMUNICATIONS: PROFESSIONAL)
April 1, 2002... Founded 1908, Official State Academy 1958 ARTICLE I--Name and Purpose Section 1. This association shall be called the NORTH DAKOTA ACADEMY OF SCIENCE. Section 2. The purpose of this association shall be to promote and conduct...

Academy officers and committees.(North Dakota Academy of Science)(Directory)(Brief article)
April 1, 2002... Executive Committee Membership: Past-President President President-Elect Secretary-Treasurer Councilors (three-year terms) President Jody A. Rada Dept. of Anatomy & Cell Biology University of North...

Science--where the Park River, the laboratory, and students meet.(Symposium)
April 1, 2002... INTRODUCTION Science education is not merely book learning. Our school encourages students to discover the possibilities for wonder in our own backyard, a great river site about five miles down the road. Edinburg High School (EHS) did not...

Hands-on water related education through water quality monitoring.(Symposium)(Red River Basin River Watch)
April 1, 2002... INTRODUCTION The Red River Basin River Watch and FM River are collaborating to provide opportunities for middle and high school students and volunteers to gain first hand science experience through water monitoring and analytical...

Red River Geoscience Education--a three-school pilot program in Northeastern North Dakota.(Symposium)
April 1, 2002... INTRODUCTION The Red River of the North (Red River) watershed, part of the Hudson drainage system, encompasses northeastern South Dakota, eastern North Dakota, northwestern Minnesota, and the southern portion of the Canadian Province of...

Overview of water-related hands-on science education in the Red River watershed.(Symposium)
April 1, 2002... INTRODUCTION About the Symposium The mission of this symposium is to provide a forum for the many people interested in science education in the watershed of the Red River of the North. The focus of the meeting is to bring people...

Building enthusiasm for science through hands-on education.(Symposium)
April 1, 2002... Fred Orth Lecture Bowl Thursday 9:00 a.m. Moderator: Joseph Hartman, University of North Dakota INTRODUCTION Overview of water-related hands-on science education in the Red River watershed Joseph H. Hartman *, Wayne R....

Editor's notes.
April 1, 2002... HISTORY The Proceedings of the North Dakota Academy of Science (NDAS) was first published in 1948, with Volume I reporting the business and scientific papers presented for the 40th annual meeting, May 2-3, 1947. Through Volume XXI, the...

Past presidents and locations of the annual meeting: North Dakota Academy of Science.
April 1, 2002... PAST PRESIDENTS AND LOCATIONS OF THE ANNUAL MEETING NORTH DAKOTA ACADEMY of SCIENCE 1909 M A Brannon Grand Forks 1910 M A Brannon Fargo 1911 C B Waldron Grand Forks 1912 L B...

Financial statement.(North Dakota Academy of Science)(Table)
April 1, 2002... FINANCIAL STATEMENT Summary of Accounts as of: 2000 2001 2002 ASSETS Operating Accounts Checking 5753.04 4883.60 3448.11 Trust...

Directory of members.(North Dakota Academy of Science)(Directory)
April 1, 2002... A Bonnie J. Alexander Division of Math, Science and Technology Valley City State University Valley City ND 58072 701-845-7453 bonnie_alexander@mailvcsu.nodak.edu Karl R. Altenburg 709 9th Avenue North ...