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Articles 481 - 510 of 2377
Full-Text Articles in Physical Sciences and Mathematics
Complete Assignment Of The 1h And 13c Nmr Spectra Of Antimicrobial 4-Arylamino- 3-Nitrocoumarin Derivatives, Vidoslav Dekic, Niko Radulovic, Rastko Vukicevic, Biljana Dekic, Danielle Skropeta, Radosav Palic
Complete Assignment Of The 1h And 13c Nmr Spectra Of Antimicrobial 4-Arylamino- 3-Nitrocoumarin Derivatives, Vidoslav Dekic, Niko Radulovic, Rastko Vukicevic, Biljana Dekic, Danielle Skropeta, Radosav Palic
Danielle Skropeta
No abstract provided.
Synthesis And Hydrolytic Evaluation Of Acid-Labile Imine-Linked Cytoxic Isatin Model Systems, Lidia Matesic, Julie Locke, Kara Perrow, Marie Ranson, John Bremner, Danielle Skropeta
Synthesis And Hydrolytic Evaluation Of Acid-Labile Imine-Linked Cytoxic Isatin Model Systems, Lidia Matesic, Julie Locke, Kara Perrow, Marie Ranson, John Bremner, Danielle Skropeta
Danielle Skropeta
In this study a series of isatin-based, pH-sensitive aryl imine derivatives with differing aromatic substituents and substitution patterns were synthesised and their acid-catalysed hydrolysis evaluated. These derivatives were functionalised at the C3 carbonyl group of a potent N-substituted isatin cytotoxin and were stable at physiological pH but readily cleaved at pH 4.5. Observed rates of hydrolysis for the embedded imine-acid moiety were in the order para-phenylpropionic acid>phenylacetic acid (para>meta)>benzoic acid (meta>para). The ability to fine-tune hydrolysis rates in this way has potential implications for optimising imine linked, tumour targeting cytotoxin-protein conjugates
N-Glycolisation Regulates Endothelial Lipase-Mediated Phospholipid Hydrolysis In Apoe- And Apoa-I-Containing High Density Lipoproteins, Danielle Skropeta, Daniel Rader, Weijun Jin, Monica Mcmahon, Kate Shearston, Philip Barter, Kristine Mcgrath, Kerry-Anne Rye, Chatri Settasatian, Daniela Caiazza
N-Glycolisation Regulates Endothelial Lipase-Mediated Phospholipid Hydrolysis In Apoe- And Apoa-I-Containing High Density Lipoproteins, Danielle Skropeta, Daniel Rader, Weijun Jin, Monica Mcmahon, Kate Shearston, Philip Barter, Kristine Mcgrath, Kerry-Anne Rye, Chatri Settasatian, Daniela Caiazza
Danielle Skropeta
No abstract provided.
Cytotoxic And Anticancer Activities Of Isatin And Its Derivatives: A Comprehensive Review From 2000-2008, Marie Ranson, Danielle Skropeta, Julie Locke, Lidia Matesic, Kara Perrow
Cytotoxic And Anticancer Activities Of Isatin And Its Derivatives: A Comprehensive Review From 2000-2008, Marie Ranson, Danielle Skropeta, Julie Locke, Lidia Matesic, Kara Perrow
Danielle Skropeta
No abstract provided.
Chemotaxonomy Of The Peppergrass Lepidium Coronopus (L.) Al-Shehbaz (Syn. Coronopus Squamatus) Based On Its Volatile Glucosinolate Autolysis Products, Niko Radulovic, Bojan Zlatkovic, Danielle Skropeta, Radosav Palic´
Chemotaxonomy Of The Peppergrass Lepidium Coronopus (L.) Al-Shehbaz (Syn. Coronopus Squamatus) Based On Its Volatile Glucosinolate Autolysis Products, Niko Radulovic, Bojan Zlatkovic, Danielle Skropeta, Radosav Palic´
Danielle Skropeta
The genus Lepidium comprises approximately 175 different plant species commonly referred to as peppergrasses or pepperworts ( Al-Shehbaz, 1997 and Mummenhoff et al., 2001), which occur worldwide apart from the polar regions where they are considered rare in the Arctic and are absent from Antarctica. Lepidium is a comparatively large genus belonging to the mustard family Brassicaceae. Lepidium coronopus (L.) Al-Shehbaz, a representative of the genus, is a herbaceous annual to biennial plant that belongs to the tribe Lepidieae and has previously been described by the following synonymous species: Coronopus squamatus (Forsskal) Ascherson; C. squamatus subsp. conradi (Muschler) Maire; C. …
Detrital Zircon Geochronology And Provenance Of The Paleoproterozoic Huron (∼2.4–2.2 Ga) And Animikie (∼2.2–1.8 Ga) Basins, Southern Superior Province, John Craddock, R. Rainbird, W. Davis, L. Heaman, J. Vervoort, C. Davidson, T. Boerboom, A. Konstantinou, S. Vorhies, L. Kerber, R. Lundquist
Detrital Zircon Geochronology And Provenance Of The Paleoproterozoic Huron (∼2.4–2.2 Ga) And Animikie (∼2.2–1.8 Ga) Basins, Southern Superior Province, John Craddock, R. Rainbird, W. Davis, L. Heaman, J. Vervoort, C. Davidson, T. Boerboom, A. Konstantinou, S. Vorhies, L. Kerber, R. Lundquist
John Craddock
No abstract provided.
The Coastlines Of The World With Google Earth: Understanding The Environment, Anja Scheffers, Sander R. Scheffers, Dieter H. Kelletat
The Coastlines Of The World With Google Earth: Understanding The Environment, Anja Scheffers, Sander R. Scheffers, Dieter H. Kelletat
Professor Anja Scheffers
Far away shores, exotic islands or adventurous sea voyages - coasts are the destination of dreams for millions of people around the globe. Large numbers of people also call coasts their home; in many countries a narrow coastal strip is densely populated making these places vulnerable to marine natural hazards such as storms or tsunamis. The book Coastlines of the World with Google Earth aims to draw people's attention (within and outside of the science community) towards coastal sciences and spark interest for the extraordinary diversity and beauty of coastal environments. The book illustrates the fascinating variety of coastal landscapes …
Integrative Analysis Of High-Throughput Cancer Studies With Contrasted Penalization, Shuangge Ma
Integrative Analysis Of High-Throughput Cancer Studies With Contrasted Penalization, Shuangge Ma
Shuangge Ma
In cancer studies with high-throughput genetic and genomic measurements, integrative analysis provides a way to effectively pool and analyze heterogeneous raw data from multiple independent studies and outperforms ``classic" meta-analysis and single-dataset analysis. When marker selection is of interest, the genetic basis of multiple datasets can be described using the homogeneity model or the heterogeneity model. In this study, we consider marker selection under the heterogeneity model, which includes the homogeneity model as a special case and can be more flexible. Penalization methods have been developed in the literature for marker selection. This study advances from the published ones by …
Energy Dissipation During A Geomagnetic Storm: May 1998, T Pulkkinen, N Ganushkina, E Kallio, G Lu, D Baker, Niescja Turner, T Fritz, J Fennell, J Roeder
Energy Dissipation During A Geomagnetic Storm: May 1998, T Pulkkinen, N Ganushkina, E Kallio, G Lu, D Baker, Niescja Turner, T Fritz, J Fennell, J Roeder
Niescja E. Turner
The energy input to the magnetosphere and its dissipation in the inner magnetosphere during a storm on May 2-9, 1998 is discussed. The methods to evaluate the energy input and the energy dissipation into the ionospheric Joule heat and the ring current are reviewed. It is shown that the energy dissipated in the ionosphere during individual substorms is proportional to the energy input during the same period. However, during very large energy input, the energy dissipation into the ionosphere seems to grow only slowly, and thus there seems to be a limit to how much energy can be dissipated via …
Energy Transport And Dissipation In The Magnetosphere During Geomagnetic Storms, D Baker, Niescja Turner, T Pulkkinen
Energy Transport And Dissipation In The Magnetosphere During Geomagnetic Storms, D Baker, Niescja Turner, T Pulkkinen
Niescja E. Turner
Major geomagnetic storms represent a significant dissipation of energy by the magnetosphere. The energy is derived from the solar wind flow and the subsequent powerful conversion of that energy takes several different forms. Ring current injection and decay, ionospheric Joule heating, particle precipitation into the atmosphere, and several related physical processes are exhibited clearly in large storm events. The modern-day constellation of operating spacecraft gives an unprecedented opportunity to study magnetic storm processes and energetics. This paper focuses on recent coronal mass ejection (CME) events that have been well-observed near the sun. These disturbances are followed from the sun to …
Geoefficiency And Energy Partitioning In Cir-Driven And Cme-Driven Storms, Niescja Turner, W Cramer, S Earles, B Emery
Geoefficiency And Energy Partitioning In Cir-Driven And Cme-Driven Storms, Niescja Turner, W Cramer, S Earles, B Emery
Niescja E. Turner
Magnetic storms due to corotating interaction regions (CIRs) have been shown to elicit different responses in the magnetosphere than those prompted by other types of solar wind driving conditions such as coronal mass ejections (CMEs). In particular, CIRs provoke a much weaker response in ground magnetometer data (Dst), possibly indicative of a weaker ring current. They also last many days longer than the CME events, yet over these longer events they couple a great deal of energy, sometimes comparable to that involved in typically larger-Dst CME events. It may seem at first that the weaker driving of CIR events must …
Ring Current Development In Mhd Simulations, R Bruntz, R Lopez, Niescja Turner, M Wiltberger, J Lyon
Ring Current Development In Mhd Simulations, R Bruntz, R Lopez, Niescja Turner, M Wiltberger, J Lyon
Niescja E. Turner
A signature feature of magnetic storms is the development of a ring current. Recent ideas on ring current formation suggest that during the main phase of storms the ring current is primarily asymmetric, becoming symmetric only during the recovery phase. In this paper, we examine ring current formation during a magnetic storm using global magnetohydrodynamic simulations of the interaction between the solar wind and the magnetosphere. The magnetohydrodynamic simulation uses solar wind data as a boundary condition, allowing the modeling of actual events. The event modeled here is the January 1997 storm. Although the code does not develop a true …
Solar Wind-Magnetosphere Coupling And Global Energy Budgets In The Earth's Magnetosphere, Niescja Turner
Solar Wind-Magnetosphere Coupling And Global Energy Budgets In The Earth's Magnetosphere, Niescja Turner
Niescja E. Turner
This thesis focuses on two different but related topics in magnetospheric physics: solar wind coupling into the magnetosphere and energy deposition within the magnetosphere. I first address solar wind coupling in a study of the interplanetary electric field and its influence on the high-altitude polar cap. I use POLAR EFI data and find changes in the electric field over the polar cap in response to sharp deviations in the interplanetary electric field. Then the focus is shifted towards estimation of global energy budgets. Estimates have been made in the past regarding the relative importance of auroral processes, ring current injection, …
Optimal Multi-Issue Negotiation In Open And Dynamic Environments, Fenghui Ren, Minjie Zhang
Optimal Multi-Issue Negotiation In Open And Dynamic Environments, Fenghui Ren, Minjie Zhang
Dr Fenghui Ren
Multi-issue negotiations can lead negotiants to the “win-win” (optimal) outcomes which is not applicable in single issue negotiations. Negotiants’ preferences on all negotiated issues in multi-issue negotiations impact the negotiation results a lot. Most of existing multi-issue negotiation strategies are based on the situation that all negotiants have fixed preferences, and very little work has been done on situations when negotiants modify their preferences during the negotiation. However, as the negotiation environment becomes open and dynamic, negotiants may modify their preferences dynamic for higher profits. The motivation of this paper is to propose a novel optimal multi-issue negotiations approach to …
The Prediction Of Partners' Behaviors In Self-Interested Agents, Fenghui Ren, Minjie Zhang
The Prediction Of Partners' Behaviors In Self-Interested Agents, Fenghui Ren, Minjie Zhang
Dr Fenghui Ren
No abstract provided.
Market-Driven Agents With Uncertain And Dynamic Outside Options, Fenghui Ren, Kwang Sim, Minjie Zhang
Market-Driven Agents With Uncertain And Dynamic Outside Options, Fenghui Ren, Kwang Sim, Minjie Zhang
Dr Fenghui Ren
One of the most crucial criterion in automated negotiation is how to reach a consensus agreement for all negotiators under any negotiation environment. Currently, most negotiation strategies can work under the static environment only. This paper presents a model for designing negotiation agents that makes adjustable rates of concession by reacting to changing market situations with uncertain and dynamic outside options. This work is based on the model of market-driven agents (MDAs). To determine the amount of the concession for each trading cycle, these market-driven agents are guided by four mathematical functions of trading opportunity, trading competition, trading time and …
Prediction Of Partners' Behaviours In Agent Negotiation Under Open And Dynamic Environments, Fenghui Ren, Minjie Zhang
Prediction Of Partners' Behaviours In Agent Negotiation Under Open And Dynamic Environments, Fenghui Ren, Minjie Zhang
Dr Fenghui Ren
No abstract provided.
A Parallel, Multi-Issue Negotiation Model In Dynamic E-Markets, Fenghui Ren, Minjie Zhang, X. Luo, Danny Sutanto
A Parallel, Multi-Issue Negotiation Model In Dynamic E-Markets, Fenghui Ren, Minjie Zhang, X. Luo, Danny Sutanto
Dr Fenghui Ren
No abstract provided.
Collaborative Agents For Complex Problems Solving, Minjie Zhang, Q. Bai, Fenghui Ren, John Fulcher
Collaborative Agents For Complex Problems Solving, Minjie Zhang, Q. Bai, Fenghui Ren, John Fulcher
Dr Fenghui Ren
No abstract provided.
Coordinated Learning For Loosely Coupled Agents With Sparse Interactions, Chao Yu, Minjie Zhang, Fenghui Ren
Coordinated Learning For Loosely Coupled Agents With Sparse Interactions, Chao Yu, Minjie Zhang, Fenghui Ren
Dr Fenghui Ren
No abstract provided.
A Market-Based Multi-Issue Negotiation Model Considering Multiple Preference In Dynamic E-Marketplaces, Fenghui Ren, Minjie Zhang, Chunyan Miao, Zhiqi Shen
A Market-Based Multi-Issue Negotiation Model Considering Multiple Preference In Dynamic E-Marketplaces, Fenghui Ren, Minjie Zhang, Chunyan Miao, Zhiqi Shen
Dr Fenghui Ren
Electronic commerce has been a significant commercial phenomenon in recent years and autonomous agents have made the advantages of e-markets more distinct. However, as e-market environments become open and dynamic, existing agent negotiation approaches expose some limitations. Static negotiation strategies and offer evaluation approaches might fail to capture dynamic changes of market situations, as well as changes of negotiators’ expectations on negotiation outcomes. When market situations change, agents may need modify their negotiation strategies, expectations and criteria on offer evaluations as well as counter-offer generations in order to maximize their profits. Furthermore, in multi-issue negotiations, agents may have multiple preferences, …
Exploiting Independent Relationships In Multiagent Systems For Coordinated Learning, Chao Yu, Minjie Zhang, Fenghui Ren
Exploiting Independent Relationships In Multiagent Systems For Coordinated Learning, Chao Yu, Minjie Zhang, Fenghui Ren
Dr Fenghui Ren
Creating coordinated multiagent policies in an environment with uncertainties is a challenging issue in the research of multiagent learning. In this paper, a coordinated learning approach is proposed to enable agents to learn both individual policies and coordinated behaviors by exploiting independent relationships inherent in many multiagent systems. We illustrate how this approach is employed to solve coordination problems in robot navigation domains. Experimental results of different scales of domains prove the effectiveness of our learning approach. 2012 Springer-Verlag.
On The Energy Consumption Of Pure And Slotted Aloha Based Rfid Anti-Collision Protocols, Dheeraj Klair, Kwan-Wu Chin, Raad Raad
On The Energy Consumption Of Pure And Slotted Aloha Based Rfid Anti-Collision Protocols, Dheeraj Klair, Kwan-Wu Chin, Raad Raad
Dr Raad Raad
No abstract provided.
Modifications To The Classification Of Acid Sulfate Soil Material, Leigh Sullivan, R Fitzpatrick, Richard Bush, Edward Burton, P Shand, Nicholas Ward
Modifications To The Classification Of Acid Sulfate Soil Material, Leigh Sullivan, R Fitzpatrick, Richard Bush, Edward Burton, P Shand, Nicholas Ward
Associate Professor Edward D Burton
No abstract provided.
Reflooding The Exposed And Acidified Lower Lakes Sediments: Seawater Or River Murray Water, Leigh Sullivan, Richard Bush, Edward Burton, Nicholas Ward, L Barnett, L Mosley, R Seaman
Reflooding The Exposed And Acidified Lower Lakes Sediments: Seawater Or River Murray Water, Leigh Sullivan, Richard Bush, Edward Burton, Nicholas Ward, L Barnett, L Mosley, R Seaman
Associate Professor Edward D Burton
No abstract provided.
Lower Lakes Laboratory Study Of Contaminant Mobilisation Under Seawater And Freshwater Inundation (Long-Term Study), Leigh Sullivan, Richard Bush, Nicholas Ward, Diane Fyfe, M Johnston, Edward Burton, Paul Cheeseman, Michelle Bush, Crystal Maher, Michael Cheetham, K Watling, Vanessa Wong, R Maher, E Weber
Lower Lakes Laboratory Study Of Contaminant Mobilisation Under Seawater And Freshwater Inundation (Long-Term Study), Leigh Sullivan, Richard Bush, Nicholas Ward, Diane Fyfe, M Johnston, Edward Burton, Paul Cheeseman, Michelle Bush, Crystal Maher, Michael Cheetham, K Watling, Vanessa Wong, R Maher, E Weber
Associate Professor Edward D Burton
No abstract provided.
Bioremediation Of Acidic Lake-Bed Sediments Via Enhanced In-Situ Sulfate-Reduction: Lower Lakes, South Australia, Edward Burton, Leigh Sullivan, R Seaman, L Barnett, L Mosley, Nicholas Ward, Paul Cheeseman, Trent Mcintyre
Bioremediation Of Acidic Lake-Bed Sediments Via Enhanced In-Situ Sulfate-Reduction: Lower Lakes, South Australia, Edward Burton, Leigh Sullivan, R Seaman, L Barnett, L Mosley, Nicholas Ward, Paul Cheeseman, Trent Mcintyre
Associate Professor Edward D Burton
No abstract provided.
Study Of Monosulfidic Black Ooze (Mbo) In The Geographe Bay Area, Western Australia, Nicholas Ward, Richard Bush, Leigh Sullivan, Edward Burton, Paul Cheeseman
Study Of Monosulfidic Black Ooze (Mbo) In The Geographe Bay Area, Western Australia, Nicholas Ward, Richard Bush, Leigh Sullivan, Edward Burton, Paul Cheeseman
Associate Professor Edward D Burton
No abstract provided.
Lower Lakes Phase Carbon Project, Leigh Sullivan, Nicholas Ward, Jeffrey Parr, Richard Bush, Diane Fyfe, Michelle Bush, Roslyn Hagan, Mark Rosicky
Lower Lakes Phase Carbon Project, Leigh Sullivan, Nicholas Ward, Jeffrey Parr, Richard Bush, Diane Fyfe, Michelle Bush, Roslyn Hagan, Mark Rosicky
Jeffrey Parr
No abstract provided.
Scour Of Monosulfidic Sediments In The Wakool River, Southern Australia, Michael Cheetham, Vanessa Wong, Richard Bush, Leigh Sullivan, Nicholas Ward
Scour Of Monosulfidic Sediments In The Wakool River, Southern Australia, Michael Cheetham, Vanessa Wong, Richard Bush, Leigh Sullivan, Nicholas Ward
Dr Nicholas J Ward
No abstract provided.