Institution
University of Oklahoma
Education•Norman, Oklahoma, United States•
About: University of Oklahoma is a education organization based out in Norman, Oklahoma, United States. It is known for research contribution in the topics: Population & Radar. The organization has 25269 authors who have published 52609 publications receiving 1821706 citations. The organization is also known as: OU & Oklahoma University.
Papers published on a yearly basis
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TL;DR: A novel solvent-producing, anaerobic clostridium, strain P7(T), was isolated from sediment from an agricultural settling lagoon after enrichment with CO as the substrate and analysis of the 16S rRNA gene sequence showed that it was closely related to Clostridial scatologenes ATCC 25775(T) (99.7% sequence similarity).
Abstract: A novel solvent-producing, anaerobic clostridium, strain P7T, was isolated from sediment from an agricultural settling lagoon after enrichment with CO as the substrate. The metabolism of this Gram-positive, motile, spore-forming rod was primarily acetogenic. Acetate, ethanol, butyrate and butanol were the end-products of metabolism. Strain P7T grew on CO, H2/CO2, glucose, galactose, fructose, xylose, mannose, cellobiose, trehalose, cellulose, starch, pectin, citrate, glycerol, ethanol, propanol, 2-propanol, butanol, glutamate, aspartate, alanine, histidine, asparagine, serine, betaine, choline and syringate as sole substrates. Growth was not supported by methanol, formate, d-arabinose, fucose, lactose, melibiose, amygdalin, gluconate, lactate, malate, arginine, glutamine or vanillate. Nitrate reduction, production of indole, gelatin hydrolysis and aesculin hydrolysis were not observed. Analysis of the 16S rRNA gene sequence of the isolate showed that it was closely related to Clostridium scatologenes ATCC 25775T (99·7 % sequence similarity) and clostridial strain SL1T (99·8 % sequence similarity). Strain SL1 had been classified as a strain of C. scatologenes. However, DNA–DNA reassociation analysis showed that both strain P7T and strain SL1 represented novel clostridial species. It is proposed that strain P7T (=ATCC BAA-624T=DSM 15243T) be classified as the type strain of Clostridium carboxidivorans sp. nov. and that strain SL1T (=ATCC BAA-623T=DSM 12750T) be reclassified as the type strain of Clostridium drakei sp. nov.
332 citations
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TL;DR: In this article, the authors propose that collective leadership is a function of selectively utilizing the information or specialized expertise that individuals within the network possess, and that the shifting of leadership responsibilities is often rooted in which individual's expertise is most relevant to the given problem.
Abstract: To date, the dominant approach to leadership research assumes that all aspects of the leadership role within a team are embodied by a single individual. In the real world, however, this is rarely the case. Rather, multiple individuals within the team may serve as leaders in both formal and informal capacities, and the shifting of leadership responsibilities is often rooted in which individual's expertise is most relevant to the given problem. In the present effort, we add to the rapidly growing body of work that focuses on the distribution of the leadership role among multiple individuals. We have reviewed relevant extant literature and proposed an integrated framework for understanding the collective leadership process. Also, in developing this framework we have taken an information and expertise-based approach such that we propose that collective leadership, or the distribution of the leadership role, is a function of selectively utilizing the information or specialized expertise that individuals within the network possess. In reviewing the framework, 55 propositions with regard to the collective leadership process are outlined and suggestions for future research are provided.
332 citations
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Emory University1, University of Miami2, Louisiana State University3, University of Minnesota4, Icahn School of Medicine at Mount Sinai5, University of Oklahoma6, University of Southern California7, Wills Eye Institute8, University of California, Los Angeles9, University of Iowa10, University of Texas at Austin11, Johns Hopkins University12, Tufts University13, University of Illinois at Urbana–Champaign14, Harvard University15, National Institutes of Health16
TL;DR: The Prospective Evaluation of Radial Keratotomy (PERK) study is a nine-center, self-controlled clinical trial of a standardized technique of radial keratotomy in 435 patients who had physiologic myopia with a preoperative refraction between -2.00 and -8.00 diopters.
332 citations
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TL;DR: In this article, the effects of RCA use on concrete material properties, and the large scale impact of the RCA on structural members are discussed, and it is confirmed that RCA is likely a viable option for structural use.
Abstract: This paper discusses the properties of RCA, the effects of RCA use on concrete material properties, and the large scale impact of RCA on structural members. The review study yielded the following findings in regards to concrete material properties: (1) replacing NA in concrete with RCA decreases the compressive strength, but yields comparable splitting tensile strength; (2) the modulus of rupture for RCA concrete was slightly less than that of conventional concrete, likely due to the weakened the interfacial transition zone from residual mortar; and (3) the modulus of elasticity is also lower than expected, caused by the more ductile aggregate. As far as the structural performance is concerned, beams with RCA did experience greater midspan deflections under a service load and smaller cracking moments. However, structural beams did not seem to be as affected by RCA content as materials tests. Most of all, the ultimate moment was moderately affected by RCA content. All in all, it is confirmed that the use of RCA is likely a viable option for structural use.
331 citations
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01 Oct 1987TL;DR: In this article, the authors present a comprehensive approach to clinical supervision through which entry-level counselors become seasoned professionals, explaining the needs and characteristics of trainees and recommending how and when supervisors may intervene to help trainees handle counseling sessions with clients.
Abstract: Presents a comprehensive approach to clinical supervision through which entry-level counselors become seasoned professionals. It explains the needs and characteristics of trainees and recommends how and when supervisors may intervene to help trainees handle counseling sessions with clients.
331 citations
Authors
Showing all 25490 results
Name | H-index | Papers | Citations |
---|---|---|---|
Ronald C. Kessler | 274 | 1332 | 328983 |
Michael A. Strauss | 185 | 1688 | 208506 |
Derek R. Lovley | 168 | 582 | 95315 |
Ashok Kumar | 151 | 5654 | 164086 |
Peter J. Schwartz | 147 | 647 | 107695 |
Peter Buchholz | 143 | 1181 | 92101 |
Robert Hirosky | 139 | 1697 | 106626 |
Elizabeth Barrett-Connor | 138 | 793 | 73241 |
Brad Abbott | 137 | 1566 | 98604 |
Lihong V. Wang | 136 | 1118 | 72482 |
Itsuo Nakano | 135 | 1539 | 97905 |
Phillip Gutierrez | 133 | 1391 | 96205 |
P. Skubic | 133 | 1573 | 97343 |
Elizaveta Shabalina | 133 | 1421 | 92273 |
Richard Brenner | 133 | 1108 | 87426 |