Games |
- Tuck 1.0 - Dock any window to the edge of your screen (beta). (Free)
- Debookee 2.0.0 - Analyze the information being sent over your network. (Demo)
- Hibari 1.5.7 - Powerful Twitter client with tweet filtering and user muting. (Demo)
- Entropy, Vol. 15, Pages 926-942: Mutual Information-Based Inputs Selection for Electric Load Time Series Forecasting
- Entropy, Vol. 15, Pages 789-925: Quantum Models of Classical World
- GrowlMail 1.3.6 - Receive Growl notifications for incoming mail. (Free)
- IJMS, Vol. 14, Pages 4734-4761: Low Oxygen Response Mechanisms in Green Organisms
- IJMS, Vol. 14, Pages 4722-4733: Exploration of the Protection of Riboflavin Laurate on Oral Mucositis Induced by Chemotherapy or Radiotherapy at the Cellular Level: What Is the Leading Contributor?
- IJERPH, Vol. 10, Pages 816-829: Vaccination and Clinical Severity: Is the Effectiveness of Contact Tracing and Case Isolation Hampered by Past Vaccination?
- Sensors, Vol. 13, Pages 2830-2847: BreedVision — A Multi-Sensor Platform for Non-Destructive Field-Based Phenotyping in Plant Breeding
- Sensors, Vol. 13, Pages 2818-2829: Determination of Odor Release in Hydrocolloid Model Systems Containing Original or Carboxylated Cellulose at Different pH Values Using Static Headspace Gas Chromatographic (SHS-GC) Analysis
- Sensors, Vol. 13, Pages 2802-2817: Anti-Quorum Sensing Potential of Crude Kigelia africana Fruit Extracts
- Pulse will have your heart racing
- Meeting The World's Fastest Gamer
- Skullgirls DLC crowdfunding page hits $190K in a day
- Final Fantasy Digital Collection out now in Asia
- Sony to host PlayStation roadshow in Singapore from Feb. 28 to March 2
- Sensors, Vol. 13, Pages 2786-2801: Contactless Impedance Sensors and Their Application to Flow Measurements
- Sensors, Vol. 13, Pages 2777-2785: Multi Reflection of Lamb Wave Emission in an Acoustic Waveguide Sensor
- Sensors, Vol. 13, Pages 2763-2776: Characterization of Microparticle Separation Utilizing Electrokinesis within an Electrodeless Dielectrophoresis Chip
| Tuck 1.0 - Dock any window to the edge of your screen (beta). (Free) Posted: 27 Feb 2013 03:12 AM PST  Tuck allows you to dock any window to the edge of your screen and automatically hide/show when you mouse to that screen edge. Note: Tuck is free while in beta. Version 1.0 (beta 6):
OS X 10.5.8 or later Download Now This posting includes an audio/video/photo media file: Download Now |
| Debookee 2.0.0 - Analyze the information being sent over your network. (Demo) Posted: 27 Feb 2013 03:08 AM PST  Debookee is a packet capture tool and network analyzer that allows you to see what your devices are sending over the network. Features:
Version 2.0.0:
Download Now This posting includes an audio/video/photo media file: Download Now |
| Hibari 1.5.7 - Powerful Twitter client with tweet filtering and user muting. (Demo) Posted: 27 Feb 2013 03:04 AM PST Hibari is a powerful Mac Twitter app that blocks annoyances and reveals gems. Block Keywords: Mute Users: Inline Saved Search: Inline Images: Tweet Lookup: Inline Conversations: Other features:
Version 1.5.7:
OS X 10.6 or later Download Now This posting includes an audio/video/photo media file: Download Now |
| Posted: 27 Feb 2013 12:00 AM PST Providing accurate load forecast to electric utility corporations is essential in order to reduce their operational costs and increase profits. Hence, training set selection is an important preprocessing step which has to be considered in practice in order to increase the accuracy of load forecasts. The usage of mutual information (MI) has been recently proposed in regression tasks, mostly for feature selection and for identifying the real instances from training sets that contains noise and outliers. This paper proposes a methodology for the training set selection in a least squares support vector machines (LS-SVMs) load forecasting model. A new application of the concept of MI is presented for the selection of a training set based on MI computation between initial training set instances and testing set instances. Accordingly, several LS-SVMs models have been trained, based on the proposed methodology, for hourly prediction of electric load for one day ahead. The results obtained from a real-world data set indicate that the proposed method increases the accuracy of load forecasting as well as reduces the size of the initial training set needed for model training. |
| Entropy, Vol. 15, Pages 789-925: Quantum Models of Classical World Posted: 27 Feb 2013 12:00 AM PST This paper is a review of our recent work on three notorious problems of non-relativistic quantum mechanics: realist interpretation, quantum theory of classical properties, and the problem of quantum measurement. A considerable progress has been achieved, based on four distinct new ideas. First, objective properties are associated with states rather than with values of observables. Second, all classical properties are selected properties of certain high entropy quantum states of macroscopic systems. Third, registration of a quantum system is strongly disturbed by systems of the same type in the environment. Fourth, detectors must be distinguished from ancillas and the states of registered systems are partially dissipated and lost in the detectors. The paper has two aims: a clear explanation of all new results and a coherent and contradiction-free account of the whole quantum mechanics including all necessary changes of its current textbook version. |
| GrowlMail 1.3.6 - Receive Growl notifications for incoming mail. (Free) Posted: 27 Feb 2013 02:55 AM PST  GrowlMail is a plug-in for Apple Mail that posts a Growl notification containing the text of the message every time new mail arrives. Version 1.3.6:
OS X 10.7 or later Download Now |
| IJMS, Vol. 14, Pages 4734-4761: Low Oxygen Response Mechanisms in Green Organisms Posted: 27 Feb 2013 12:00 AM PST Low oxygen stress often occurs during the life of green organisms, mostly due to the environmental conditions affecting oxygen availability. Both plants and algae respond to low oxygen by resetting their metabolism. The shift from mitochondrial respiration to fermentation is the hallmark of anaerobic metabolism in most organisms. This involves a modified carbohydrate metabolism coupled with glycolysis and fermentation. For a coordinated response to low oxygen, plants exploit various molecular mechanisms to sense when oxygen is either absent or in limited amounts. In Arabidopsis thaliana, a direct oxygen sensing system has recently been discovered, where a conserved N-terminal motif on some ethylene responsive factors (ERFs), targets the fate of the protein under normoxia/hypoxia. In Oryza sativa, this same group of ERFs drives physiological and anatomical modifications that vary in relation to the genotype studied. The microalga Chlamydomonas reinhardtii responses to low oxygen seem to have evolved independently of higher plants, posing questions on how the fermentative metabolism is modulated. In this review, we summarize the most recent findings related to these topics, highlighting promising developments for the future. |
| Posted: 27 Feb 2013 12:00 AM PST Oral or gastrointestinal mucositis is a frequent phenomenon in cancer patients receiving chemotherapy or radiotherapy. In addition, several clinical investigations have demonstrated in recent years that riboflavin laurate has the potential to protect the patients from the disease induced by chemotherapy or radiotherapy. In our studies, it is observed that riboflavin laurate can ameliorate either chemotherapy- or radiotherapy-induced toxicities on Helf cells, and the effect is greater than that of riboflavin. In addition, riboflavin laurate is able to transport through the Caco-2 cell monolayer as the prototype, indicating the protective effects may be produced by the prototype of riboflavin laurate, rather than simply by the released riboflavin. |
| Posted: 27 Feb 2013 12:00 AM PST While contact tracing and case isolation are considered as the first choice of interventions against a smallpox bioterrorist event, their effectiveness under vaccination is questioned, because not only susceptibility of host and infectiousness of case but also the risk of severe clinical manifestations among cases is known to be reduced by vaccine-induced immunity, thereby potentially delaying the diagnosis and increasing mobility among vaccinated cases. We employed a multi-type stochastic epidemic model, aiming to assess the feasibility of contact tracing and case isolation in a partially vaccinated population and identify data gaps. We computed four epidemiological outcome measures, i.e., (i) the threshold of a major epidemic under the interventions; (ii) the expected total number of cases; (iii) the probability of extinction, and (iv) the expected duration of an outbreak, demonstrating that all of these outcomes critically depend on the clinical impact of past vaccination on the diagnosis and movement of vaccinated cases. We discuss that, even in the absence of smallpox in the present day, one should consider the way to empirically quantify the delay in case detection and an increase in the frequency of contacts among previously vaccinated cases compared to unvaccinated during the early stage of an epidemic so that the feasibility of contact tracing and case isolation in a vaccinated population can be explicitly assessed. |
| Posted: 27 Feb 2013 12:00 AM PST To achieve the food and energy security of an increasing World population likely to exceed nine billion by 2050 represents a major challenge for plant breeding. Our ability to measure traits under field conditions has improved little over the last decades and currently constitutes a major bottleneck in crop improvement. This work describes the development of a tractor-pulled multi-sensor phenotyping platform for small grain cereals with a focus on the technological development of the system. Various optical sensors like light curtain imaging, 3D Time-of-Flight cameras, laser distance sensors, hyperspectral imaging as well as color imaging are integrated into the system to collect spectral and morphological information of the plants. The study specifies: the mechanical design, the system architecture for data collection and data processing, the phenotyping procedure of the integrated system, results from field trials for data quality evaluation, as well as calibration results for plant height determination as a quantified example for a platform application. Repeated measurements were taken at three developmental stages of the plants in the years 2011 and 2012 employing triticale (×Triticosecale Wittmack L.) as a model species. The technical repeatability of measurement results was high for nearly all different types of sensors which confirmed the high suitability of the platform under field conditions. The developed platform constitutes a robust basis for the development and calibration of further sensor and multi-sensor fusion models to measure various agronomic traits like plant moisture content, lodging, tiller density or biomass yield, and thus, represents a major step towards widening the bottleneck of non-destructive phenotyping for crop improvement and plant genetic studies. |
| Posted: 27 Feb 2013 12:00 AM PST Static headspace gas chromatographic (SHS-GC) analysis was performed to determine the release of 13 odorants in hydrocolloid model systems containing original or regio-selectively carboxylated cellulose at different pH values. The release of most odor compounds was decreased in the hydrocolloid solutions compared to control, with the amounts of 2-propanol, 3-methyl-1-butanol, and 2,3-butanedione released into the headspace being less than those of any other odor compound in the hydrocolloid model systems. However, there was no considerable difference between original cellulose-containing and carboxylated-cellulose containing systems in the release of most compounds, except for relatively long-chain esters such as ethyl caprylate and ethyl nonanoate. The release from the original and carboxylated cellulose solutions controlled to pH 10 was significantly higher than that from solutions adjusted to pH 4 and 7 in the case of some esters (ethyl acetate, methyl propionate, ethyl propionate, ethyl butyrate, butyl propionate, ethyl caproate) and alcohols (2-propanol, 3-methyl-1-butanol), in particular, ethyl butyrate and 3-methyl-1-butanol. In contrast, the release of 2,3-butanedione from both the original and carboxylated cellulose solutions was increased at pH 4 and 7 compared to that at pH 10 by about 70% and 130%, respectively. Our study demonstrated that the release of some odorants could be changed significantly by addition of both original and carboxylated cellulose in hydrocolloid model systems, but only minor effect was observed in pH of the solution. |
| Posted: 27 Feb 2013 12:00 AM PST The increasing incidence of multidrug-resistant pathogens has stimulated the search for novel anti-virulence compounds. Although many phytochemicals show promising antimicrobial activity, their power lies in their anti-virulence properties. Thus the quorum sensing (QS) inhibitory activity of four crude Kigelia africana fruit extracts was assessed qualitatively and quantitatively using the Chromobacterium violaceum and Agrobacterium tumefaciens biosensor systems. Inhibition of QS-controlled violacein production in C. violaceum was assayed using the qualitative agar diffusion assay as well as by quantifying violacein inhibition using K. africana extracts ranging from 0.31–8.2 mg/mL. Qualitative modulation of QS activity was investigated using the agar diffusion double ring assay. All four extracts showed varying levels of anti-QS activity with zones of violacein inhibition ranging from 9–10 mm. The effect on violacein inhibition was significant in the following order: hexane > dichloromethane > ethyl acetate > methanol. Inhibition was concentration-dependent, with the ≥90% inhibition being obtained with ≥1.3 mg/mL of the hexane extract. Both LuxI and LuxR activity were affected by crude extracts suggesting that the phytochemicals target both QS signal and receptor. K. africana extracts with their anti-QS activity, have the potential to be novel therapeutic agents, which might be important in reducing virulence and pathogenicity of drug-resistant bacteria in vivo. |
| Pulse will have your heart racing Posted: 27 Feb 2013 02:15 AM PST What things can raise your heartbeat? Working out, driving in traffic, or thinking you missed the bus are all definitely viable options. |
| Meeting The World's Fastest Gamer Posted: 27 Feb 2013 01:39 AM PST Are racing games on the verge of becoming the next big thing in eSports? Joe Barron speaks to the iRacing grand prix world champion Greger Huttu to find out.
Get the full article at GameSpot "Meeting The World's Fastest Gamer" was posted by Joseph Barron on Wed, 27 Feb 2013 01:39:01 -0800 |
| Skullgirls DLC crowdfunding page hits $190K in a day Posted: 26 Feb 2013 09:42 PM PST Campaign page also details new DLC character Squigly as well as other potential characters via stretch goal details.
The developers at Lab Zero Games have opened a Skullgirls DLC fundraising page over on crowdfunding site Indiegogo, with the sole purpose of using the money to release DLC characters for the Xbox 360, PS3, and PC fighting game. The target goal is $150,000 with 30 days left before it closes. The page has so far raised $191,175. Not only does the campaign page feature a breakdown on one the upcoming characters (the undead opera singer Squigly), but also a list of stretch goals if the campaign's target reaches beyond its goal. These include potential new DLC characters like Big Band and B.Dahlia, and new stages and story mode missions based on the DLC characters. The perks for contributing varies: $5 will net gamers exclusive Skullgirls wallpapers while $400 will net contributors a limited edition of the game's soundtrack, a random postcard-sized sketch, a 'booster' title in the contributors credits, a Steam code for the PC release, and other benefits. Squigly will be available for free for a limited time if the campaign is fully funded. For even more information, check out the Indiegogo page. Skullgirls was praised by critics for its fighting system, distinctive characters, beginner-friendly tutorials and GGPO network options. Read and Post Comments | Get the full article at GameSpot "Skullgirls DLC crowdfunding page hits $190K in a day" was posted by Jonathan Toyad on Tue, 26 Feb 2013 21:42:15 -0800 |
| Final Fantasy Digital Collection out now in Asia Posted: 26 Feb 2013 09:38 PM PST Set with download codes for Final Fantasy I to Final Fantasy IX to cost S$209($153); 2,000 units available.
Get the full article at GameSpot "Final Fantasy Digital Collection out now in Asia" was posted by Jonathan Toyad on Tue, 26 Feb 2013 21:38:01 -0800 |
| Sony to host PlayStation roadshow in Singapore from Feb. 28 to March 2 Posted: 26 Feb 2013 09:34 PM PST Event to feature playable demo of God of War: Ascension, FIFA 13 Ultimate Team tournament, and PlayStation console deals.
Get the full article at GameSpot "Sony to host PlayStation roadshow in Singapore from Feb. 28 to March 2" was posted by Jonathan Toyad on Tue, 26 Feb 2013 21:34:13 -0800 |
| Posted: 27 Feb 2013 12:00 AM PST The paper provides a critical discussion of the present state of the theory of high-frequency impedance sensors (now mostly called contactless impedance or conductivity sensors), the principal approaches employed in designing impedance flow-through cells and their operational parameters. In addition to characterization of traditional types of impedance sensors, the article is concerned with the use of less common sensors, such as cells with wire electrodes or planar cells. There is a detailed discussion of the effect of the individual operational parameters (width and shape of the electrodes, detection gap, frequency and amplitude of the input signal) on the response of the detector. The most important problems to be resolved in coupling these devices with flow-through measurements in the liquid phase are also discussed. Examples are given of cell designs for continuous flow and flow-injection analyses and of detection systems for miniaturized liquid chromatography and capillary electrophoresis. New directions for the use of these sensors in molecular biology and chemical reactors and some directions for future development are outlined. |
| Posted: 27 Feb 2013 12:00 AM PST Recently, an acoustic waveguide sensor based on multiple mode conversion of surface acoustic waves at the solid—liquid interfaces has been introduced for the concentration measurement of binary and ternary mixtures, liquid level sensing, investigation of spatial inhomogenities or bubble detection. In this contribution the sound wave propagation within this acoustic waveguide sensor is visualized by Schlieren imaging for continuous and burst operation the first time. In the acoustic waveguide the antisymmetrical zero order Lamb wave mode is excited by a single phase transducer of 1 MHz on thin glass plates of 1 mm thickness. By contact to the investigated liquid Lamb waves propagating on the first plate emit pressure waves into the adjacent liquid, which excites Lamb waves on the second plate, what again causes pressure waves traveling inside the liquid back to the first plate and so on. The Schlieren images prove this multi reflection within the acoustic waveguide, which confirms former considerations and calculations based on the receiver signal. With this knowledge the sensor concepts with the acoustic waveguide sensor can be interpreted in a better manner. |
| Posted: 27 Feb 2013 12:00 AM PST This study demonstrated the feasibility of utilizing electrokinesis in an electrodeless dielectrophoresis chip to separate and concentrate microparticles such as biosamples. Numerical simulations and experimental observations were facilitated to investigate the phenomena of electrokinetics, i.e., electroosmosis, dielectrophoresis, and electrothermosis. Moreover, the proposed operating mode can be used to simultaneously convey microparticles through a microfluidic device by using electroosmotic flow, eliminating the need for an additional micropump. These results not only revealed that the directions of fluids could be controlled with a forward/backward electroosmotic flow but also categorized the optimum separating parameters for various microparticle sizes (0.5, 1.0 and 2.0 μm). Separation of microparticles can be achieved by tuning driving frequencies at a specific electric potential (90 Vpp·cm−1). Certainly, the device can be designed as a single automated device that carries out multiple functions such as transportation, separation, and detection for the realization of the envisioned Lab-on-a-Chip idea. |
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