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2011

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The New Hampshire, Vol. 100 [101], No. 35 (Mar. 1, 2011), The New Hampshire Mar 2011

The New Hampshire, Vol. 100 [101], No. 35 (Mar. 1, 2011), The New Hampshire

The New Hampshire Print Edition

An independent student produced newspaper from the University of New Hampshire. This volume was printed as 100, but it is the 101st volume in the series. This was corrected in pencil.


The Relationship Between 11-Ketotestosterone, Cortisol, And Testosterone And Condition Index For Poecilia Reticulata, Shelly Gupta, Brandy G. Kalbach Mar 2011

The Relationship Between 11-Ketotestosterone, Cortisol, And Testosterone And Condition Index For Poecilia Reticulata, Shelly Gupta, Brandy G. Kalbach

Biological Sciences

The guppy, Poecilia reticulata, is a common study organism for behavioral and other ecological experiments (Houde, 1997).  As far as we know, no previous data have been compiled regarding hormones and condition index of guppies.  In this experiment we examined the relationship between circulating levels of three hormones (testosterone, 11-ketotestosterone and cortisol) and condition index in males and also made comparisons among the hormone levels, for three guppy sites from the northern range of Trinidad – Aripo River, Marianne River and Small Crayfish River.  Hormone samples were obtained using non-invasive water borne techniques and quantified by our collaborator.  The condition …


Science In Law: Reliance, Idealization & Some Calvinist Insights, David S. Caudill Mar 2011

Science In Law: Reliance, Idealization & Some Calvinist Insights, David S. Caudill

Pro Rege

Dr. David S. Caudill presented this paper at the Calvinism for the 21st Century Conference at Dordt College, April 2010.


Trap Shyness And Avoidance Affects On Capture Proportions Of Dipodomys Heermanni Arenae, Natalie E. Folsom, Andrew R. Ruddock Mar 2011

Trap Shyness And Avoidance Affects On Capture Proportions Of Dipodomys Heermanni Arenae, Natalie E. Folsom, Andrew R. Ruddock

Biological Sciences

This is a study on trap shyness and trap avoidance in the kangaroo rat species Dipodomys heermanni arenae. This species is being studied as a surrogate for the critically endangered Dipodomys heermanni morroensis. This is an ongoing study that has been continuing for the past three years, with four three-day sessions per year. The study is a specific look at the effects of the use of Sherman traps on kangaroo rat behavior between individual session days. Capture proportions for each of the three days of each session were calculated and compared through a t-test. The current results of …


2011-2016 Supplement To The Rio Grande Supplemental Water Programmatic Final Environmental Assessment And Finding Of No Significant Impact, U.S. Department Of The Interior, Bureau Of Reclamation Mar 2011

2011-2016 Supplement To The Rio Grande Supplemental Water Programmatic Final Environmental Assessment And Finding Of No Significant Impact, U.S. Department Of The Interior, Bureau Of Reclamation

Law of the Rio Chama

No abstract provided.


Investigation Of Science Faculty With Education Specialties Within The Largest University System In The United States, Seth D. Bush, Nancy Pelaez, James A. Rudd Ii, Michael T. Stevens, Kimberly D. Tanner, Kathy Williams Phd Mar 2011

Investigation Of Science Faculty With Education Specialties Within The Largest University System In The United States, Seth D. Bush, Nancy Pelaez, James A. Rudd Ii, Michael T. Stevens, Kimberly D. Tanner, Kathy Williams Phd

PIBERG Publications

Efforts to improve science education include university science departments hiring Science Faculty with Education Specialties (SFES), scientists who take on specialized roles in science education within their discipline. Although these positions have existed for decades and may be growing more common, few reports have investigated the SFES approach to improving science education. We present comprehensive data on the SFES in the California State University (CSU) system, the largest university system in the United States. We found that CSU SFES were engaged in three key arenas including K–12 science education, undergraduate science education, and discipline-based science education research. As such, CSU …


Motherhood In African Literature And Culture, Remi Akujobi Mar 2011

Motherhood In African Literature And Culture, Remi Akujobi

CLCWeb: Comparative Literature and Culture

In her article "Motherhood in African Literature and Culture" Remi Akujobi analyzes the place and the role of women in African Religion and tradition and also interrogates the place of Motherhood in the production, circulation and consumption of items in African tradition. Akujobi examines Motherhood as a sacred as well as a powerful spiritual component of the woman's life. Emphasis is put on literary discourse where motherhood is a recurrent theme, where motherhood is also a lifelong commitment. The article particularly explores motherhood as a discourse in African women creative efforts. A key intention of the article is to explore …


Population Proteomics: Quantitative Variation Within And Among Populations In Cardiac Protein Expression, Bernard Rees Mar 2011

Population Proteomics: Quantitative Variation Within And Among Populations In Cardiac Protein Expression, Bernard Rees

Biological Sciences Faculty Publications

Population analysis of gene expression is typically achieved by quantifying levels of mRNA; however, gene expression is also a function of protein translation and turnover. Therefore, a complete understanding of population variation in gene expression requires quantitative knowledge of protein expression within and among natural populations. We used two dimensional fluorescence difference gel electrophoresis (2D-DIGE) to quantitatively compare expression of heart ventricle proteins among 18 individuals in three populations of the teleost fish Fundulus. Among populations, expressions between orthologous proteins and mRNAs were generally positively correlated. Additionally, similar to the pattern of cardiac mRNA expression for the same populations, we …


Predictors Of Mathematics Majors At The Post-Secondary Level Of Education, Megan L. Reineke Mar 2011

Predictors Of Mathematics Majors At The Post-Secondary Level Of Education, Megan L. Reineke

Dissertations

While there are numerous studies examining the courses students take at the secondary level and how different levels of mathematics courses can affect student achievement in beginning post-secondary mathematics courses, there are no studies that examine math majors at the post-secondary level of education. In addition, many reports stating gender and ethnicity gaps in the field of mathematics fail to discuss the issue surrounding what type of student pursues a mathematics degree. Understanding mathematics majors, including the types of high schools they attended and their ethnicities, may provide some insight into which students are becoming interested in the area of …


Factors Affecting Space Use Overlap By White-Tailed Deer In An Urban Landscape, W. David Walter, Jeff Beringer, Lonnie P. Hansen, Justin W. Fischer, Joshua J. Millspaugh, Kurt C. Vercauteren Mar 2011

Factors Affecting Space Use Overlap By White-Tailed Deer In An Urban Landscape, W. David Walter, Jeff Beringer, Lonnie P. Hansen, Justin W. Fischer, Joshua J. Millspaugh, Kurt C. Vercauteren

United States Department of Agriculture Wildlife Services: Staff Publications

Variation in the size and overlap of space use by white-tailed deer (Odocoileus virginianus) has broad implications for managing deer–human conflicts and disease spread and transmission in urban landscapes. Understanding which factors affect overlap of home range by various segments (i.e., age, sex) of an urban deer population has implications to direct contact between deer on disease epidemiology. We assessed size of home range and overlap of space use using the volume of intersection index (VI) for deer in an urban landscape by sex, age, season, and time of day. We found mean space use was larger for …


Science Fiction And A Rhetorical Analysis Of The 'Literature Myth', Kris Rutten, Ronald Soetaert, Geert Vandermeersche Mar 2011

Science Fiction And A Rhetorical Analysis Of The 'Literature Myth', Kris Rutten, Ronald Soetaert, Geert Vandermeersche

CLCWeb: Comparative Literature and Culture

In their article "Science Fiction and a Rhetorical Analysis of the 'Literature Myth'" Kris Rutten, Ronald Soetaert, and Geert Vandermeersche discuss what we can learn from science fiction about cultural literacy in general and literary culture in particular. From a theoretical and methodological perspective the authors start from the work of rhetorician Kenneth Burke. First, the authors conceptualize literature as "equipment for living" followed by a discussion of science fiction as "equipment for living" based on a description of the genre as "satire by entelechy." Second, they analyze a selection of science fiction narratives using the "dramatistic pentad" as …


Hedgehog Inhibition Promotes A Switch From Type Ii To Type I Cell Death Receptor Signaling In Cancer Cells., Satoshi Kurita, Justin L. Mott, Sophie C. Cazanave, Christian D. Fingas, Maria E. Guicciardi, Steve F. Bronk, Lewis R. Roberts, Martin E. Fernandez-Zapico, Gregory J. Gores Mar 2011

Hedgehog Inhibition Promotes A Switch From Type Ii To Type I Cell Death Receptor Signaling In Cancer Cells., Satoshi Kurita, Justin L. Mott, Sophie C. Cazanave, Christian D. Fingas, Maria E. Guicciardi, Steve F. Bronk, Lewis R. Roberts, Martin E. Fernandez-Zapico, Gregory J. Gores

Journal Articles: Biochemistry & Molecular Biology

TRAIL is a promising therapeutic agent for human malignancies. TRAIL often requires mitochondrial dysfunction, referred to as the Type II death receptor pathway, to promote cytotoxicity. However, numerous malignant cells are TRAIL resistant due to inhibition of this mitochondrial pathway. Using cholangiocarcinoma cells as a model of TRAIL resistance, we found that Hedgehog signaling blockade sensitized these cancer cells to TRAIL cytotoxicity independent of mitochondrial dysfunction, referred to as Type I death receptor signaling. This switch in TRAIL requirement from Type II to Type I death receptor signaling was demonstrated by the lack of functional dependence on Bid/Bim and Bax/Bak, …


Law, History, And Feminism, Tracy A. Thomas Mar 2011

Law, History, And Feminism, Tracy A. Thomas

Akron Law Faculty Publications

This is the introduction to the book, Feminist Legal History. This edited collection offers new visions of American legal history that reveal women’s engagement with the law over the past two centuries. It integrates the stories of women into the dominant history of the law in what has been called “engendering legal history,” (Batlan 2005) and then seeks to reconstruct the assumed contours of history. The introduction provides the context necessary to appreciate the diverse essays in the book. It starts with an overview of the existing state of women’s legal history, tracing the core events over the past two …


Ucc Agenda, March 8, 2011, University Curriculum Council Mar 2011

Ucc Agenda, March 8, 2011, University Curriculum Council

UCC Agendas/Minutes

No abstract provided.


Improving Diabetic Outcomes With Caring Communication: Identifying Communication Patterning For The Human Diabetic, James R. Kennett Phd Mar 2011

Improving Diabetic Outcomes With Caring Communication: Identifying Communication Patterning For The Human Diabetic, James R. Kennett Phd

Dissertations

Introduction. The purpose of this study was to identify the influence of caring communication for people living with diabetes (PLD) and the relationship to diabetic outcomes. Caring communication has not been studied for improving diabetic outcomes. Randomized control trials (RCTs) direct care, however people do not do what they told, they need to be included in their care. PLD need a voice to establish what is important to them. Incorporating medical, communication, and nursing science as multidisciplinary approach within a theoretical framework can be predictive diabetic outcomes. Methods. A correlational cross sectional survey design study was done. A sample of …


Periodontal Ligament And Gingival Fibroblasts Participate In The Production Of Tgf-Β, Interleukin (Il)-8 And Il-10, Ana Carolina Morandini, Carla Renata Sipert, Erivan Schnaider Ramos-Junior, Daniel Thomas Brozoski, Carlos Ferreira Santos Mar 2011

Periodontal Ligament And Gingival Fibroblasts Participate In The Production Of Tgf-Β, Interleukin (Il)-8 And Il-10, Ana Carolina Morandini, Carla Renata Sipert, Erivan Schnaider Ramos-Junior, Daniel Thomas Brozoski, Carlos Ferreira Santos

All Dugoni School of Dentistry Faculty Articles

The aim of this study was to quantify and compare the production of transforming growth factor beta (TGF-β), interleukin (IL)-8 and IL-10 by human cultured periodontal ligament and gingival fibroblasts both obtained from the same donors challenged with lipopolysaccharide (LPS) from Porphyromonas gingivalis. Fibroblasts were exposed to 0.1-10 µg/mL of LPS from P. gingivalis and after 24 h the supernatants were collected and analyzed by enzyme-linked immunosorbent assay (ELISA). TGF-β protein production was upregulated in a concentration-dependent manner, mainly in gingival fibroblasts, which was statistically significant when challenged by 10 µg/mL LPS. Additionally, at this concentration, gingival fibroblasts had almost …


An Analysis Of Attendance Policies And High School Attendance Rates, Dawn Michelle Brenner Mar 2011

An Analysis Of Attendance Policies And High School Attendance Rates, Dawn Michelle Brenner

Dissertations

The purpose of this study was to ascertain the relationship between the dependent variable, average daily attendance rate, and the independent variables, socio-economic status, student enrollment, and the type of attendance policy implemented in the 85 public high schools in southwest Missouri. The types of attendance policies were sorted into one of three pre-determined categories: punitive, reward, or affective. Data were collected for each of the independent and dependent variables. A percentage was calculated by dividing the number of policy types within each category by the total number of policy types. Then the data were organized based on the average …


Low Levels Of Hydrogen Peroxide Stimulate Corneal Epithelial Cell Adhesion, Migration, And Wound Healing, Qing Pan, Wen-Ya Qiu, Ya-Nan Huo, Yu-Feng Yao, Marjorie F. Lou Mar 2011

Low Levels Of Hydrogen Peroxide Stimulate Corneal Epithelial Cell Adhesion, Migration, And Wound Healing, Qing Pan, Wen-Ya Qiu, Ya-Nan Huo, Yu-Feng Yao, Marjorie F. Lou

School of Veterinary and Biomedical Sciences: Faculty Publications

PURPOSE. Intracellular reactive oxygen species have been reported to associate with growth factor and integrin signalings in promoting cell adhesion in many cell types. This study is to explore if exogenous H2O2 at low levels can be beneficial to cell adhesion, migration, and wound healing.

METHODS. Primary rabbit corneal epithelial cells treated with 0–70 M H2O2 were tested for viability by MTT assay, adhesion by centrifugation assay, focal contacts of vinculin and F-actin by immunofluorescence, activated Src(pY416), EGF receptor (pY845), vinculin(pY1065), FAK(pY397), and FAK(pY576) by immunoblotting. Cell migration was examined with 0–50 M H2O2 using the scratch wound technique. Corneal …


What Is The Potential Of Substituting Legumes For Synthetic Nitrogen In Warm Season Perennial Grasses Used For Stocker Cattle Grazing?, J. Biermacher, John A. Guretzky, Ryan Reuter, Maru Kering, Twain Butler, Job Springer, James Rogers, John Blanton, Joe Bouton Mar 2011

What Is The Potential Of Substituting Legumes For Synthetic Nitrogen In Warm Season Perennial Grasses Used For Stocker Cattle Grazing?, J. Biermacher, John A. Guretzky, Ryan Reuter, Maru Kering, Twain Butler, Job Springer, James Rogers, John Blanton, Joe Bouton

Department of Agronomy and Horticulture: Faculty Publications

Stocker cattle grazing warm season perennial grasses is an important economic activity in the southern Great Plains. Substantial increases in the price of nitrogen fertilizer is negatively affecting forage producers’ profitability. Two alternative nitrogen management systems that use annual and perennial legumes have been developed for bermudagrass pastures. The goal of the study is to determine if the legumes systems are more profitable than the conventional practice of applying synthetic sources of nitrogen. Enterprise budgeting techniques were employed to compare the economics of the legume systems relative to the common practice. Results of the two-year grazing study show that the …


Runoff, Erosion, And Size Distribution Of Sediment From Beef Cattle Feedlots, John E. Gilley, Jason R. Vogel, Roger Eigenberg, David B. Marx, Brian L. Woodbury Mar 2011

Runoff, Erosion, And Size Distribution Of Sediment From Beef Cattle Feedlots, John E. Gilley, Jason R. Vogel, Roger Eigenberg, David B. Marx, Brian L. Woodbury

Department of Agricultural and Biological Systems Engineering: Faculty Publications

The size distribution of sediment in runoff from feedlot surfaces influences erosion rates and settling velocity. The objectives of this study were to: (1) measure runoff, erosion, and size distribution of sediment in runoff from feedlot surfaces containing varying amounts of unconsolidated surface material (USM), and (2) determine the effects of varying runoff rate on erosion and sediment size distribution. Simulated rainfall was applied to 0.75 m wide by 2 m long plots located within feedlot pens. Sieve and pipette analyses were used to measure the diameters of the eroded materials. No significant differences in runoff and erosion were found …


Sphingolipids In The Root Play An Important Role In Regulating The Leaf Ionome In Arabidopsis Thaliana, Dai-Yin Chao, Kenneth Gable, Ming Chen, Ivan Baxter, Charles R. Dietrich, Edgar B. Cahoon, Mary Lou Guerinot, Brett Lahner, Shiyu Lu, Jennifer E. Markham, Joe Morrissey, Gongshe Han, Sita Gupta, Jeffrey M. Harmon, Jan G. Jaworski, Teresa M. Dunn, David E. Salt Mar 2011

Sphingolipids In The Root Play An Important Role In Regulating The Leaf Ionome In Arabidopsis Thaliana, Dai-Yin Chao, Kenneth Gable, Ming Chen, Ivan Baxter, Charles R. Dietrich, Edgar B. Cahoon, Mary Lou Guerinot, Brett Lahner, Shiyu Lu, Jennifer E. Markham, Joe Morrissey, Gongshe Han, Sita Gupta, Jeffrey M. Harmon, Jan G. Jaworski, Teresa M. Dunn, David E. Salt

Department of Biochemistry: Faculty Publications

Sphingolipid synthesis is initiated by condensation of Ser with palmitoyl-CoA producing 3-ketodihydrosphinganine (3-KDS), which is reduced by a 3-KDS reductase to dihydrosphinganine. Ser palmitoyltransferase is essential for plant viability. Arabidopsis thaliana contains two genes (At3g06060/TSC10A and At5g19200/TSC10B) encoding proteins with significant similarity to the yeast 3-KDS reductase, Tsc10p. Heterologous expression in yeast of either Arabidopsis gene restored 3-KDS reductase activity to the yeast tsc10D mutant, confirming both as bona fide 3-KDS reductase genes. Consistent with sphingolipids having essential functions in plants, double mutant progeny lacking both genes were not recovered from crosses of single tsc10A and tsc10B …


Hosts Improve The Reliability Of Chick Recognition By Delaying The Hatching Of Brood Parasitic Eggs, Daizaburo Shizuka, Bruce E. Lyon Mar 2011

Hosts Improve The Reliability Of Chick Recognition By Delaying The Hatching Of Brood Parasitic Eggs, Daizaburo Shizuka, Bruce E. Lyon

Papers in Ornithology

The reliability of information that animals use to make decisions has fitness consequences. Accordingly, selection should favor the evolution of strategies that enhance the reliability of information used in learning and decision making. For example, hosts of avian brood parasites should be selected to increase the reliability of the information they use to learn to recognize their own eggs and chicks [1–3]. The American coot (Fulica americana), a conspecific brood parasite, uses cues learned from the first-hatched chicks of each brood to recognize and reject parasitic chicks [3]. However, if parasitic eggs are among the first to hatch, recognition cues …


Regulation Of The Androgen Receptor By Set9-Mediated Methylation., Luke Gaughan, Jacqueline Stockley, Nan Wang, Stuart R C Mccracken, Achim Treumann, Kelly Armstrong, Fadhel Shaheen, Kate Watt, Iain J Mcewan, Chenguang Wang, Richard Pestell, Craig N Robson Mar 2011

Regulation Of The Androgen Receptor By Set9-Mediated Methylation., Luke Gaughan, Jacqueline Stockley, Nan Wang, Stuart R C Mccracken, Achim Treumann, Kelly Armstrong, Fadhel Shaheen, Kate Watt, Iain J Mcewan, Chenguang Wang, Richard Pestell, Craig N Robson

Kimmel Cancer Center Faculty Papers

The androgen receptor (AR) is a member of the nuclear hormone receptor family of transcription factors that plays a critical role in regulating expression of genes involved in prostate development and transformation. Upon hormone binding, the AR associates with numerous co-regulator proteins that regulate the activation status of target genes via flux to the post-translational modification status of histones and the receptor. Here we show that the AR interacts with and is directly methylated by the histone methyltransferase enzyme SET9. Methylation of the AR on lysine 632 is necessary for enhancing transcriptional activity of the receptor by facilitating both inter-domain …


Host-Microbial Symbiosis In The Vertebrate Gastrointestinal Tract And The Lactobacillus Reuteri Paradigm, Jens Walter, Robert A. Britton, Stefan Roos Mar 2011

Host-Microbial Symbiosis In The Vertebrate Gastrointestinal Tract And The Lactobacillus Reuteri Paradigm, Jens Walter, Robert A. Britton, Stefan Roos

Department of Food Science and Technology: Faculty Publications

Vertebrates engage in symbiotic associations with vast and complex microbial communities that colonize their gastrointestinal tracts. Recent advances have provided mechanistic insight into the important contributions of the gut microbiome to vertebrate biology, but questions remain about the evolutionary processes that have shaped symbiotic interactions in the gut and the consequences that arise for both the microbes and the host. Here we discuss the biological principles that underlie microbial symbiosis in the vertebrate gut and the potential of the development of mutualism. We then review phylogenetic and experimental studies on the vertebrate symbiont Lactobacillus reuteri that have provided novel insight …


Wildlife Responses To Long-Term Application Of Biosolids To Grasslands In North Carolina, Brian E. Washburn, Michael Begier Mar 2011

Wildlife Responses To Long-Term Application Of Biosolids To Grasslands In North Carolina, Brian E. Washburn, Michael Begier

United States Department of Agriculture Wildlife Services: Staff Publications

Applications of biosolids to grassland areas might alter the attractiveness of those habitats to wildlife. For the past 21 yr, biosolids have been applied annually to grasslands at Marine Corps Air Station (MCAS) Cherry Point, Havelock, North Carolina. During 2003–2005, we conducted a study to determine if the long-term application of biosolids has altered plant communities and/or wildlife use of grassland areas. Ten circular 1.7-ha plots were established: five plots served as controls (untreated) and five plots were located in areas that received biosolids. We monitored vegetation growth, measured plant community composition, and observed all plots for wildlife activity during …


The Role Of Authority, Scott A. Hershovitz Mar 2011

The Role Of Authority, Scott A. Hershovitz

Articles

The most influential account of authority – Joseph Raz's service conception – is an account of the role of authority, in that it is an account of its point or function. However, authority does not have a characteristic role to play, and even if it did, the ability to play a role is not, by itself, sufficient to establish authority. The aim of this essay is to shift our focus from roles that authority plays to roles that people play – which we can also call roles of authority – such as chef, teacher, and parent. To justify authority, we …


Circadian Rhythm Of Cortisol And Neighborhood Characteristics In A Population-Based Sample: The Multi-Ethnic Study Of Atherosclerosis, D. Phuong Do, Ana V. Diez Roux, Anjum Hajat, Amy Auchincloss, Sharon Merkin, Nalini Ranjit, Steven Shea, Teresa Seeman Mar 2011

Circadian Rhythm Of Cortisol And Neighborhood Characteristics In A Population-Based Sample: The Multi-Ethnic Study Of Atherosclerosis, D. Phuong Do, Ana V. Diez Roux, Anjum Hajat, Amy Auchincloss, Sharon Merkin, Nalini Ranjit, Steven Shea, Teresa Seeman

Faculty Publications

Although stress is often hypothesized to contribute to the effects of neighborhoods on health, very few studies have investigated associations of neighborhood characteristics with stress biomarkers. This study helps address the gap in the literature by examining whether neighborhood characteristics are associated with cortisol profiles. Analyses were based on data from the Multi-Ethnic Study of Atherosclerosis Stress study which collected multiple measures of salivary cortisol over three days on a population based sample of approximately 800 adults. Multilevel models with splines were used to examine associations of cortisol with neighborhood poverty, violence, disorder, and social cohesion. Neighborhood violence was significantly …


Comparison Of Various Configurations Of Cdc-Type Traps For The Collection Of Phlebotomus Papatasi Scopoli In Southern Israel, Daniel L. Kline, Jerome Hogsette, Gunter Muller Mar 2011

Comparison Of Various Configurations Of Cdc-Type Traps For The Collection Of Phlebotomus Papatasi Scopoli In Southern Israel, Daniel L. Kline, Jerome Hogsette, Gunter Muller

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

We conducted two experiments to determine the best CDC-trap configuration for catching male and female Phlebotomus papatasi. First, visual features were evaluated. Standard CDC traps were modified to have black or white catch bags, black or white lids, or no lids and these were tried in different combinations. Significantly more male sand flies were caught by darker traps; significantly more females were captured by traps with either all black or a combination of black and white features. Attraction may be due to dark color or contrast in colors. CDC traps with suction and the following features were also evaluated: …


Tracking Environmental Trends In The Great Bay Estuarine System Through Comparisons Of Historical And Present-Day Green And Red Algal Community Structure And Nutrient Content, Jeremy C. Nettleton, Christopher D. Neefus, Arthur C. Mathieson, Larry G. Harris Mar 2011

Tracking Environmental Trends In The Great Bay Estuarine System Through Comparisons Of Historical And Present-Day Green And Red Algal Community Structure And Nutrient Content, Jeremy C. Nettleton, Christopher D. Neefus, Arthur C. Mathieson, Larry G. Harris

PREP Reports & Publications

Monitoring macroalgae populations is an effective means of detecting long term water quality changes in estuarine systems. To investigate the environmental status of New Hampshire’s Great Bay National Estuarine Research Reserve, this study assessed the abundance/distribution of macrophytes, particularly Gracilaria and Ulva species, relative to eutrophication patterns; compared historical (1970s-1990s) and current algal biomass/cover at several sites; and compared Ulva and Gracilaria tissue N/P content to ambient and historical levels. Ulva and Gracilaria biomass/cover have increased significantly at several sites. Cover by Ulva species, at seasonal maxima, was over 90 times the value recorded in the 1970s at Lubberland Creek, …


Differential Subcellular Distribution Of Rat Brain Dopamine Receptors And Subtype-Specific Redistribution Induced By Cocaine., Pamela J Voulalas, John Schetz, Ashiwel S Undieh Mar 2011

Differential Subcellular Distribution Of Rat Brain Dopamine Receptors And Subtype-Specific Redistribution Induced By Cocaine., Pamela J Voulalas, John Schetz, Ashiwel S Undieh

College of Pharmacy Faculty Papers

We investigated the subcellular distribution of dopamine D(1), D(2) and D(5) receptor subtypes in rat frontal cortex, and examined whether psychostimulant-induced elevation of synaptic dopamine could alter the receptor distribution. Differential detergent solubilization and density gradient centrifugation were used to separate various subcellular fractions, followed by semi-quantitative determination of the relative abundance of specific receptor proteins in each fraction. D(1) receptors were predominantly localized to detergent-resistant membranes, and a portion of these receptors also floated on sucrose gradients. These properties are characteristic of proteins found in lipid rafts and caveolae. D(2) receptors exhibited variable distribution between cytoplasmic, detergent-soluble and detergent-resistant …