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- Agronomy, Vol. 2, Pages 358-370: Multiple Resistance of Horseweed to Glyphosate and Paraquat and Its Control with Paraquat and Metribuzin Combinations
- Water, Vol. 4, Pages 1025-1038: Innovative Urban Water Management as a Climate Change Adaptation Strategy: Results from the Implementation of the Project “Water Against Climate Change (WATACLIC)”
- Water, Vol. 4, Pages 1009-1024: Benefits of Riverine Water Discharge into the Lorian Swamp, Kenya
- Resources, Vol. 1, Pages 3-22: Calling for Justice in the Goldfields of Tanzania
- Now Playing: Avatar Star
- Wii U out in Singapore and Asia in 2013
- The Sandbox - Screenshots
- Check out Hideo Kojima’s impressive lunch box [PICS]
- NC supreme court outlaws video sweepstakes machines
- Brutal Fire - Screenshots
- Nutrients, Vol. 4, Pages 2097-2120: Food Sources of Energy and Nutrients among Adults in the US: NHANES 2003–2006
- Nutrients, Vol. 4, Pages 2069-2096: Retina, Retinol, Retinal and the Natural History of Vitamin A as a Light Sensor
- Materials, Vol. 5, Pages 2960-2980: Characterization of Nanocomposites by Thermal Analysis
- Marine Drugs, Vol. 10, Pages 2912-2935: Isolation, Structure Elucidation and Total Synthesis of Lajollamide A from the Marine Fungus Asteromyces cruciatus
- Metals, Vol. 2, Pages 529-539: Structural Irreversibility and Enhanced Brittleness under Fatigue in Zr-Based Amorphous Solids
- Catalysts, Vol. 2, Pages 572-601: Photocatalytic Water Treatment by Titanium Dioxide: Recent Updates
- Applied Sciences, Vol. 2, Pages 816-830: Broadband Spectral Amplitude Control in High-Order Harmonic Generation
- Agriculture, Vol. 2, Pages 472-492: Biological Characterization of Cynara cardunculus L. Methanolic Extracts: Antioxidant, Anti-proliferative, Anti-migratory and Anti-angiogenic Activities
- Problem Gambling a Concern as Rhode Island Prepares for Table Games
- Powerball Winning Numbers for 12/15/2012
| Posted: 19 Dec 2012 12:00 AM PST Greenhouse and field studies were conducted in 2007 and 2008 to investigate possible multiple-resistance of horseweed to paraquat and glyphosate, and to evaluate the effect of the addition of metribuzin to paraquat on control of paraquat-resistant horseweed. Results indicated that the GR50 (herbicide dose required to cause a 50% reduction in plant growth) value for the susceptible population S102 was 0.066 kg ae/ha glyphosate, and for the resistant population MDOT was 0.78 kg/ha glyphosate. The level of glyphosate resistance for MDOT was 12-fold compared with S102. The GR50 value for the susceptible population S102 was 0.078 kg ai/ha paraquat, and for the resistant population MDOT was 0.67 kg/ha paraquat. The level of paraquat resistance for MDOT was 9-fold compared to S102, suggesting multiple-resistance to glyphosate and paraquat in the MDOT population. In field studies the addition of metribuzin to paraquat improved horseweed control. |
| Posted: 19 Dec 2012 12:00 AM PST The excessive use of water is damaging European groundwater and rivers: their environmental conditions are often below the “good status” that—according to Water Framework Directive 2000/60—should be reached by 2015. The already critical situation is tending to get worse because of climate change. Even in water rich countries, urban wastewater is still one of the main sources of water pollution. Currently, urban soil sealing and “conventional” rainwater management, which were planned to quickly move rainwater away from roofs and streets, are increasing the flood risk. “Green” technologies and approaches would permit a reduction in water abstraction and wastewater production while improving urban hydrological response to heavy rains. The Life+ WATACLIC project has been implemented to promote such sustainable technologies and approaches in Italy, however the results show huge difficulties: apparently water saving and sustainable urban water management have only low interest amongst the general public and even with public administrations and the relevant industrial sectors. In such a cultural and technical context, the project is bringing a new point of view to public debate. In the long term, the project will certainly have a positive impact, but most likely it will require more time than initially expected. |
| Water, Vol. 4, Pages 1009-1024: Benefits of Riverine Water Discharge into the Lorian Swamp, Kenya Posted: 19 Dec 2012 12:00 AM PST Use and retention of river water in African highlands deprive communities in arid lowlands of their benefits. This paper reviews information on water use in the Ewaso Ng’iro catchment, Kenya, to evaluate the effects of upstream abstraction on the Lorian Swamp, a wetland used by pastoralists downstream. We first assess the abstractions and demands for water upstream and the river water supplies at the upper and the lower end of the Lorian Swamp. Further analysis of 12 years of monthly SPOT-VEGETATION satellite imagery reveals higher NDVI (Normalized Differential Vegetation Index) values in the swamp than nearby rainfed areas, with the difference in NDVI between the two positively related to river water discharged into the swamp. The paper next reviews the benefits derived from water entering the swamp and the vulnerability to abstractions for three categories of water: (i) the surface water used for drinking and sanitation; (ii) the surface water that supports forage production; and (iii) the water that recharges the Merti Aquifer. Our results suggest that benefits from surface water for domestic use and forage production are vulnerable to abstractions upstream whereas the benefits from the aquifer, with significant fossil water, are likely to be affected in the long run, but not the short term. |
| Resources, Vol. 1, Pages 3-22: Calling for Justice in the Goldfields of Tanzania Posted: 19 Dec 2012 12:00 AM PST Tanzania is the third largest gold exporter in Africa, thanks in part to the liberalization of the mining sector which started in the early 1990s. Neoliberal mining reforms promised a win-win situation in which government, investors and local host communities would benefit through export earnings, profits, local employment, and corporate social responsibility initiatives (e.g., the building of schools and clinics). While the rising price of gold and foreign investments in mining activities have delivered on some of these promises, many residents in mining regions have not benefited socioeconomically. Worse still, their communities have unjustly borne the brunt of the environmental, social, and public-health costs associated with large-scale mining operations. This paper examines these injustices through research in Geita and Kahama, two of the most active gold mining areas of Tanzania. Drawing on Kuehn’s [1] taxonomy of environmental injustice, we detail the negative impacts of mining activities in these communities and describe how residents have developed strategies of resistance as means to obtain reparations. We then explore the political, financial, organizational, and social limitations on these resistance strategies and argue that the social movements associated with mining lack the political space necessary to affect significant changes to structure, quality, and impact of the industry in western Tanzania. |
| Posted: 19 Dec 2012 01:10 AM PST GameSpot's Randolph Ramsay and Jonathan Toyad check out the early build of the customizable-heavy third-person shooter Avatar Star. Read and Post Comments | Get the full article at GameSpot "Now Playing: Avatar Star" was posted by rreydebarros on Wed, 19 Dec 2012 01:10:12 -0800 |
| Wii U out in Singapore and Asia in 2013 Posted: 19 Dec 2012 12:18 AM PST Nintendo's new system will be out in Singapore and the rest of Asia starting next month; parallel import systems from US on sale for S$599.
Get the full article at GameSpot "Wii U out in Singapore and Asia in 2013" was posted by Jonathan Toyad on Wed, 19 Dec 2012 00:18:09 -0800 |
| Posted: 19 Dec 2012 02:36 AM PST UNLEASH YOUR IMAGINATION - Millions of possibilities. Infinite landscape designs. Countless different chemical reactions. Nothing is beyond your reach! - Embrace your inner Pixel Artist to create or recreate amazing masterpieces - Compose your very own chiptunes melodies within the game - Bring life to your creations and watch them evolve, eat, reproduce and die AND NOW, A SLEW OF EXCITING NEW FEATURES: - Add an intelligent life-form to your worlds : Humans! - Change their behaviour using one of the 4 Job Magic Powders and turn them into a Miner, Builder, Hunter or Woodcutter. Dozens more behaviours will be added over time! - Recreate the Jurassic Period with giant dinosaurs and volcanoes! Protect your dinosaurs from extinction or recreate the BIG BANG and make them disappear! - Utilize our new Blueprints and add awesome real-life wonders to your worlds: the Eiffel Tower, Chichen Itza, the Pyramids, the Leaning Tower of Pisa, the Statue of Liberty -- even a Pagoda! - TNT and C4 are now available! Wreak havoc with powerful explosions! - Deep-sea fish and fireflies come to life before your very eyes! - Create amazing chain reactions with several sensor types, including liquid, light and temperature! NEW MISSIONS AND FREE MANA - New ways to acquire FREE Mana, such as daily challenges, watching videos clips or many more! - 55 new missions through five exciting campaigns -- a whopping 85 game levels in all! SHARE YOUR CREATIONS WITH THE WORLD - Create your universe and then share it in The Sandbox's Online Gallery - Browse the gallery to see other players' creations - Rate other players' worlds and add elements too |
| Check out Hideo Kojima’s impressive lunch box [PICS] Posted: 19 Dec 2012 02:58 AM PST Metal Gear Solid creator Hideo Kojima has tweeted pics of an 'ultimate lunch box' he received when visiting Sony HQ. Celebrating the Metal Gear 25th |
| NC supreme court outlaws video sweepstakes machines Posted: 19 Dec 2012 02:51 AM PST Sweepstakes businesses in our state may be closing up shop starting Jan. 3 due to the banning of video sweepstakes machines. This posting includes an audio/video/photo media file: Download Now |
| Posted: 19 Dec 2012 02:19 AM PST How To Play Two modes: Expert Mode and Newbie Mode Expert Mode: Blocks keeps moving in random directions and changing colors randomly. To eliminate blocks, you have to put at least four blocks in same color in line. This mode requires high control speed and great elimination strategy. Newbie Mode: Blocks keeps moving in random directions. To eliminate blocks, you have to put at least three blocks in same color in line. This mode is easy for newbie players to learn how to play. Game Features Suitable for players aged from 0 to 100 Be cautious not to get addicted to the game. Blocks can move randomly in 8 directions. Chinese style frame with terrific special effects. Easy to play and full of joy. "36 Stratagems" theme: perfect combination of culture and entertainment Support iPhone5, iPad mini, ios6 Support connection with Game Center |
| Posted: 19 Dec 2012 12:00 AM PST Identification of current food sources of energy and nutrients among US adults is needed to help with public health efforts to implement feasible and appropriate dietary recommendations. To determine the food sources of energy and 26 nutrients consumed by US adults the 2003–2006 National Health and Nutrition Examination Survey (NHANES) 24-h recall (Day 1) dietary intake data from a nationally representative sample of adults 19+ years of age (y) (n = 9490) were analyzed. An updated USDA Dietary Source Nutrient Database was developed for NHANES 2003–2006 using current food composition databases. Food grouping included ingredients from disaggregated mixtures. Mean energy and nutrient intakes from food sources were sample-weighted. Percentages of total dietary intake contributed from food sources were ranked. The highest ranked sources of energy and nutrients among adults more than 19 years old were: energy—yeast bread/rolls (7.2%) and cake/cookies/quick bread/pastry/pie (7.2%); protein—poultry (14.4%) and beef (14.0%); total fat—other fats and oils (9.8%); saturated fatty acids—cheese (16.5%) and beef (9.1%); carbohydrate—soft drinks/soda (11.4%) and yeast breads/rolls (10.9%); dietary fiber—yeast breads/rolls (10.9%) and fruit (10.2%); calcium—milk (22.5%) and cheese (21.6%); vitamin D—milk (45.1%) and fish/shellfish (14.4%); and potassium—milk (9.6%) and coffee/tea/other non-alcoholic beverages (8.4%). Knowledge of primary food sources of energy and nutrients can help health professionals design effective strategies to reduce excess energy consumed by US adults and increase the nutrient adequacy of their diets. |
| Posted: 19 Dec 2012 12:00 AM PST Light is both the ultimate energy source for most organisms and a rich information source. Vitamin A-based chromophore was initially used in harvesting light energy, but has become the most widely used light sensor throughout evolution from unicellular to multicellular organisms. Vitamin A-based photoreceptor proteins are called opsins and have been used for billions of years for sensing light for vision or the equivalent of vision. All vitamin A-based light sensors for vision in the animal kingdom are G-protein coupled receptors, while those in unicellular organisms are light-gated channels. This first major switch in evolution was followed by two other major changes: the switch from bistable to monostable pigments for vision and the expansion of vitamin A’s biological functions. Vitamin A’s new functions such as regulating cell growth and differentiation from embryogenesis to adult are associated with increased toxicity with its random diffusion. In contrast to bistable pigments which can be regenerated by light, monostable pigments depend on complex enzymatic cycles for regeneration after every photoisomerization event. Here we discuss vitamin A functions and transport in the context of the natural history of vitamin A-based light sensors and propose that the expanding functions of vitamin A and the choice of monostable pigments are the likely evolutionary driving forces for precise, efficient, and sustained vitamin A transport. |
| Materials, Vol. 5, Pages 2960-2980: Characterization of Nanocomposites by Thermal Analysis Posted: 19 Dec 2012 12:00 AM PST In materials research, the development of polymer nanocomposites (PN) is rapidly emerging as a multidisciplinary research field with results that could broaden the applications of polymers to many different industries. PN are polymer matrices (thermoplastics, thermosets or elastomers) that have been reinforced with small quantities of nano-sized particles, preferably characterized by high aspect ratios, such as layered silicates and carbon nanotubes. Thermal analysis (TA) is a useful tool to investigate a wide variety of properties of polymers and it can be also applied to PN in order to gain further insight into their structure. This review illustrates the versatile applications of TA methods in the emerging field of polymer nanomaterial research, presenting some examples of applications of differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), dynamic mechanical thermal analysis (DMTA) and thermal mechanical analysis (TMA) for the characterization of nanocomposite materials. |
| Posted: 19 Dec 2012 12:00 AM PST The marine-derived filamentous fungus Asteromyces cruciatus 763, obtained off the coast of La Jolla, San Diego, USA, yielded the new pentapeptide lajollamide A (1), along with the known compounds regiolone (2), hyalodendrin (3), gliovictin (4), 1N-norgliovicitin (5), and bis-N-norgliovictin (6). The planar structure of lajollamide A (1) was determined by Nuclear Magnetic Resonance (NMR) spectroscopy in combination with mass spectrometry. The absolute configuration of lajollamide A (1) was unambiguously solved by total synthesis which provided three additional diastereomers of 1 and also revealed that an unexpected acid-mediated partial racemization (2:1) of the l-leucine and l-N-Me-leucine residues occurred during the chemical degradation process. The biological activities of the isolated metabolites, in particular their antimicrobial properties, were investigated in a series of assay systems. |
| Posted: 19 Dec 2012 12:00 AM PST The effect of fatigue on ZrCuAl amorphous metals induced by mechanical cyclic loading is investigated using inelastic neutron scattering and the pair density function analysis of neutron diffraction data. With cooling, the local atomic structure undergoes reorganization under fatigue that is directly related to the number of fatigue cycles. Also under fatigue, suppression in the atomic dynamics is observed as well. A structural restructuring occurs within a 4 Å radius and intensifies with increasing the compression cycles, whereas the vibrational density of states is attenuated as the intensity shifts towards the elastic, zero-energy transfer peak. The combined static and dynamic structural effects are a signature of the microscopic changes brought about by fatigue, and together may be the onset for subsequent behaviors following extended cyclic loading such as fracture. Even after the load is removed, the structural changes described here remain and increase with repeated cyclic loading which is an indication that the lattice deforms even before shear bands are formed. |
| Catalysts, Vol. 2, Pages 572-601: Photocatalytic Water Treatment by Titanium Dioxide: Recent Updates Posted: 19 Dec 2012 12:00 AM PST Photocatalytic water treatment using nanocrystalline titanium dioxide (NTO) is a well-known advanced oxidation process (AOP) for environmental remediation. With the in situ generation of electron-hole pairs upon irradiation with light, NTO can mineralize a wide range of organic compounds into harmless end products such as carbon dioxide, water, and inorganic ions. Photocatalytic degradation kinetics of pollutants by NTO is a topic of debate and the mostly reporting Langmuir-Hinshelwood kinetics must accompanied with proper experimental evidences. Different NTO morphologies or surface treatments on NTO can increase the photocatalytic efficiency in degradation reactions. Wisely designed photocatalytic reactors can decrease energy consumption or can avoid post-separation stages in photocatalytic water treatment processes. Doping NTO with metals or non-metals can reduce the band gap of the doped catalyst, enabling light absorption in the visible region. Coupling NTO photocatalysis with other water-treatment technologies can be more beneficial, especially in large-scale treatments. This review describes recent developments in the field of photocatalytic water treatment using NTO. |
| Posted: 19 Dec 2012 12:00 AM PST A technique for broadband spectral amplitude control of light pulses produced in high-order harmonic generation (HHG) is presented. It has been shown elsewhere that broadband spectral phase control in HHG is achievable using a computerized feedback loop scheme by coherently adding a filtered region of the HHG emission to the intense IR driving pulse with optimal attenuation and time delay parameters. In the present study, further computational evidence of the capabilities of this control scheme is provided by considering the spectral amplitude in a broadband region of the HHG spectrum as the control target for the production of isolated attosecond pulses. Different spectral widths and central photon energies are examined, such as a spectral width of 30 eV centered at 36 eV, well in the plateau, and a width of 20 eV centered at 60 eV in the cutoff region. An iterative procedure of the method is implemented and optimal isolated single cycle pulses at a central photon energy of 36 eV are obtained. This control scheme is a fundamental tool that can be implemented for amplitude and phase shaping of any suitable spectral region in HHG. |
| Posted: 19 Dec 2012 12:00 AM PST Cynara cardunculus (Cc) is a multipurpose species; beyond its use in southwestern European cuisine, it is also used for the production of solid biofuel, seed oil, biodiesel, paper pulp and cheese, as well as animal feed. In addition, Cc has a long tradition of use in folk medicine as a diuretic and liver protector. The value of this species as a source of bioactive compounds is known; however, pharmacological use would further increase its cultivation. The main goal of the current work was to evaluate the potential of Cc as source of anti-carcinogenic phytochemicals. Different methanolic extracts obtained from wild and cultivated plants were tested for antioxidant activity and effect on breast tumor cell viability. The most effective extract, both as antioxidant and inhibition of tumor cell viability, was tested for effects on angiogenesis and tumor cell migration capacity. All the extracts tested had high antioxidant activity; however, only green leaves and dry head extracts exhibit anti-proliferative activity. Green cultivated leaves (GCL) were the most effective extract both as antioxidant and inhibiting the proliferation of tumor cells; it is equally active inhibiting tumor cell migration and in vivo angiogenesis. GCL extract is an effective inhibitor of several key points in tumor development and thus a promising source of anti-carcinogenic phytochemicals. |
| Problem Gambling a Concern as Rhode Island Prepares for Table Games Posted: 18 Dec 2012 10:46 PM PST As Twin River casino continues its preparations for the implementation of table games, Rhode Islanders are bracing themselves for increases in problem gambling. This posting includes an audio/video/photo media file: Download Now |
| Powerball Winning Numbers for 12/15/2012 Posted: 18 Dec 2012 09:34 PM PST 15 - 23 - 40 - 44 - 55 Powerball 14 |
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