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- PROTOSALVINIA DAWSON AND ASSOCIATED CONODONTS OF THE UPPER TRACHYTERA ZONE, FAMENNIAN, UPPER DEVONIAN, IN THE EASTERN UNITED STATES
- ABSTRACT- Protosalvinia first occur in association with conodonts of the Upper trachytera Zone and below the Three Lick Bed in the Ohio Shale and the Ellicott Shale of the central and northern Appalachian Basin, as well as in the Clegg Creek Member of the New Albany Shale of the Illinois...
- Research articles 2009-01-01
- The crystallization of counter-enlightenment and philosophe identities: theological controversy and catholic enlightenment in pre-revolutionary France
- RECENT works of modern French history have found it fashionable, when focusing on the eighteenth century from across the jagged shoals of nineteenth- and twentieth-century France, to reductively treat Francophone national identity as the dialogical interaction of two related "imagined communities." (1) On the one hand, as scholars such as...
- Research articles 2008-12-01
- Identification of differentially expressed proteins at four growing stages in chicken liver
- ABSTRACT : Because of high growth rate and large deposition of fat in the abdomen, the chicken has been used as a model organism for understanding lipid metabolism, fattening and growing. In this study, differentially expression of proteins in chicken liver, one of the important organs for lipid metabolism, has...
- Research articles 2008-10-01
- Factors associated with the level of superfund liability disclosure in 10K reports: 1991-1997
- ABSTRACT This study examines factors associated with the level of Superfund disclosure in 10K reports. Sample firms consist of Fortune 500 companies identified by the Environmental Protection Agency as Potentially Responsible Parties. The study utilizes a comprehensive environmental disclosure index based on Generally Accepted Accounting Principles, to measure the...
- Research articles 2008-09-01
- DIVORCING MONEY FROM MONETARY POLICY
- * Many central banks operate in a way that creates a tight link between money and monetary policy, as the supply of reserves must be set precisely in order to implement the target interest rate. * Because reserves play other key roles in the economy, this link can generate tensions...
- Research articles 2008-09-01
- Time-resolved Singlet Oxygen Phosphorescence Measurements from Photosensitized Experiments in Single Cells: Effects of Oxygen Diffusion and Oxygen Concentration
- ABSTRACT Time-resolved singlet oxygen, O2(a^sup 1^?^sub g^), phosphorescence experiments have been performed in single cells upon pulsed laser irradiation of a photosensitizer incorporated into the cell. Data recorded as a function of the partial pressure of ambient oxygen to which the cell is exposed reflect apparent values for the intracellular...
- Research articles 2008-09-01
- What caused the Viking Age?
- Introduction The Scandinavian diaspora of the late eighth to mid-eleventh centuries AD known as the Viking Age was both widespread in scale and profound in impact. Long-range maritime expeditions facilitated a florescence of piracy, trade, migration, conquest and exploration across much of Europe--ultimately extending to western Asia and the...
- Research articles 2008-09-01
- Kurarinol, tyrosinase inhibitor isolated from the root of Sophora flavescens
- Abstract It is well known that flavanones, sophoraflavanone G 1, kurarinone 2, and kurarinol 3, from the root of Sophora flavescens, have extremely strong tyrosinase inhibitory activity. This study delineates the principal pharmacological features of kurarinol 3 that lead to inhibition of the oxidation of L-tyrosine to melanin by...
- Research articles 2008-08-01
- The freedom index: a congressional scorecard based on the U.S. constitution
- Our third look at the 110th Congress shows how every representative and senator voted on key issues, such as economic stimulus, oil, the federal budget, mortgage relief and global warming. House Vote Descriptions 21 Head Start. The final version conference report of H.R. 1429, a bill to reauthorize...
- Research articles 2008-07-21
- Stock ownership and congressional elections: the political economy of the mutual fund revolution
- I. INTRODUCTION In recent years, political analysts have conjectured that voting has been affected by the rise of an investor class in the United States, where the stock ownership rate has doubled from under 25% in the late 1970s to over 50% by 2001. (1) This shift in portfolio...
- Research articles 2008-07-01
- Debt bailouts and constitutions
- I. INTRODUCTION A number of countries have undergone several rounds of bailouts of subnational government debts in the last decade. The Brazilian government, for instance, assumed the debts of the federated states in 1989, 1993, and 1997. Also in its southern neighbor, Argentina, the line that separates provincial and...
- Research articles 2008-07-01
- A Role for Internal Water Molecules in Proton Affinity Changes in the Schiff Base and Asp85 for One-way Proton Transfer in Bacteriorhodopsin[dagger]
- ABSTRACT Light-induced proton pumping in bacteriorhodospin is carried out through five proton transfer steps. We propose that the proton transfer to Asp85 from the Schiff base in the L-to-M transition is accompanied by the relocation of a water cluster on the cytoplasmic side of the Schiff base from a site...
- Research articles 2008-07-01
- Having it both ways: balancing market and political interests at a South African daily newspaper
- Abstract The process of democratic transition in South Africa has brought many changes to the national political economic context within which media companies operate. These changes have also brought challenges for South African media companies to reposition themselves ideologically, with their political-economic interests in mind. Coinciding with these local...
- Research articles 2008-07-01
- Geometric-invariant image watermarking by key-dependent triangulation
- Fast and massive dissemination of image data across the Internet imposes great challenges of protecting images against illegal access and unauthorized reproduction. Image watermarking provides a powerful solution for intellectual protection. In this paper, a new image watermarking approach robust to various geometric distortions is proposed. The new scheme involves...
- Research articles 2008-06-01
- Cost-of-capital estimation and capital-budgeting practice in Australia
- Abstract: We use a sample survey to analyse the capital-budgeting practices of Australian listed companies. We find that NPV, IRR and Payback are the most popular evaluation techniques. Real options techniques have gained a toehold in capital budgeting but are not yet part of the mainstream. Discounting is typically...
- Research articles 2008-06-01
- Dyslexia speed problems in a transparent orthography
- Abstract This study was intended to help clarify the nature of dyslexia in Spanish. A sample of 30 children, 8 to 16 years old, participated in this study. Dyslexic children were compared to two control groups, a chronological age-matched control group and a reading level-matched control group. Measures included nonword...
- Research articles 2008-06-01
- Evolutionary analyses of ethnic solidarity: an overview
- The author presents an overview of the contribution that evolutionary theory has made, and can make, to studies of ethnically based social cohesion in the social sciences. INTRODUCTION Evolutionary approaches have a minor though persistent place in the study of ethnicity and nationalism, probably due to the social...
- Research articles 2008-06-01
- Photoprotection by Porcine Eumelanin Against Singlet Oxygen Production[dagger]
- ABSTRACT Melanin, a major pigment found in retinal pigment epithelium RPE cells, is considered to function in dual roles, one protective and one destructive. By quenching free radical species and reactive oxygen species ROS melanin counteracts harmful redox stress. However, melanin is also thought to be capable of creating ROS....
- Research articles 2008-05-01
- Ascorbate Enhances Photogeneration of Hydrogen Peroxide Mediated by the Iris Melanin[dagger]
- ABSTRACT The iris in the human eye is exposed to UV and visible light transmitted by the cornea. This pigmented tissue is bathed with the aqueous humor AqH, which contains high concentration of ascorbate. It has been postulated that the presence of ascorbate in AqH can contribute to increased photoproduction...
- Research articles 2008-05-01
- EMBEDDED INNOVATION - STRATEGIC MANAGEMENT INCUBATORS FOR KNOWLEDGE HEGEMONY
- ABSTRACT Global competitiveness and category leadership is the strategic challenge for South African innovators over the next decade. Within the context of engineering management, this research identifies the strategic drivers and corporate positioning necessary to meet this challenge and to create a vibrant manufacturing and innovation landscape leading to wealth...
- Research articles 2008-05-01
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