Prof. Artal. I am postdoctoral researcher working in Physics in an east-European country. I published several articles in high impact journals during my PhD thesis. However, the first article I submitted from my new research was rejected by the editor of the journal. I am quite disappointed since I believe the research was good (in fact the best I ever did) and moreover, the reasons for the rejection were not convincing. I feel very depressed and even thinking quiting my research career. If any........ Read more »
A. Guirao, M. Redondo, P. Artal. (2000) Optical aberrations of the human cornea as a function of age. J. Opt. Soc. Am. A,, 1697. info:/
2009 has been a good year for exoplanets, and one team of astronomers have discovered most of them. Since the first planet was found orbiting a star other than the Sun, many more have been discovered using increasingly sensitive instruments and sophisticated techniques. Because they are so faint compared to their parent stars, most planets are discovered through indirect methods. One of the most successful has been the which uses the principle of the Doppler effect to detect the tiny changes in........ Read more »
Mayor, M.; Pepe, F.; Queloz, D.; Bouchy, F.; Rupprecht, G.; Lo Curto, G.; Avila, G.; Benz, W.; Bertaux, J.-L.; Bonfils, X.; dall, Th.; Dekker, H.; Delabre, B.; Eckert, W.; Fleury, M.; Gilliotte, A.; Gojak, D.; Guzman, J. C.; Kohler, D.; Lizon, J.-L.; Long. (2003) Setting New Standards with HARPS. Messenger, 20-24. info:other/2003Msngr.114..20M
So this post was supposed to be about the discovery of the most distant galaxy ever found, at a redshift of about 8.2 (13.1 billion light years from us, or, to put it another way, only about 630 million light years after the Big Bang), but I didn’t get round to it yesterday and I’ve [...]... Read more »
W. A. Coles, T. W. Murphy Jr., J. F. Melser, J. K. Tu, G. A. White, K. H. Kassabian, K. Bales, & B. B. Baumgartner. (2009) A Radio System for Avoiding Illuminating Aircraft with a Laser Beam. submitted to PASP. arXiv: 0910.5685v1
Product placements in movies and TV shows are becoming so commonplace that my kids now cynically take note of them whenever they appear. It wasn't always that way. In 1982 when I first saw E.T. I had no idea that Elliott's use of Reeses' Pieces to lure E.T. into his home was part of a clever marketing ploy that had been pre-arranged with the multinational conglomerate selling the candy. Now that nearly every household has a DVR allowing viewers to fast-forward through commercials, advertisers ar........ Read more »
Yang, M., & Roskos-Ewoldsen, D. (2007) The Effectiveness of Brand Placements in the Movies: Levels of Placements, Explicit and Implicit Memory, and Brand-Choice Behavior. Journal of Communication, 57(3), 469-489. DOI: 10.1111/j.1460-2466.2007.00353.x
Flying in the face of conventional wisdom, new research shows that a rebound relationship—or even just the promise of one—might be helpful in alleviating the attachment to a former relationship.... Read more »
Spielmann, S., MacDonald, G., & Wilson, A. (2009) On the Rebound: Focusing on Someone New Helps Anxiously Attached Individuals Let Go of Ex-Partners. Personality and Social Psychology Bulletin, 35(10), 1382-1394. DOI: 10.1177/0146167209341580
If the wife of FBI boss Robert Mueller has allegedly warned him not to use online banking because his incompetence on the computer could leave them open to online fraud, then is there any hope for protection for the rest of us. This is especially true given the recent news that usernames and passwords for [...]Post from: David Bradley's Sciencetext Tech TalkFirst Online Banking…then what?
... Read more »
Susan Sproule, & Norm Archer. (2010) Measuring identity theft and identity fraud. Int. J. Business Governance and Ethics, 5(1/2), 51-63. info:/
Earlier this year, researchers in Finland and Israel sought an explanation for the 35 million year puzzle as to why fall colors in the US are mainly red and why autumn leaves turn mainly yellow in Europe.
The green of the leaves of deciduous trees in spring and summer is caused mainly by the presence of [...]... Read more »
Lev-Yadun, S., & Holopainen, J. (2009) Why red-dominated autumn leaves in America and yellow-dominated autumn leaves in Northern Europe?. New Phytologist, 183(3), 506-512. DOI: 10.1111/j.1469-8137.2009.02904.x
This is the first paper that sparked my research interest in transportation vulnerability, and what would later become the focus area of my research: the cost of transportation vulnerability and the benefit of transportation reliability: Dalziell, E & Nicholson, A (2000) Risk and Impact of Natural Hazards on a Road Network. As far as I am aware of, the Dalziell-Nicholson paper is one of the first attempts to calculate a cost benefit ratio for road closure versus mitigation investments, where the........ Read more »
Dalziell, E., & Nicholson, A. (2001) Risk and Impact of Natural Hazards on a Road Network. Journal of Transportation Engineering, 127(2), 159. DOI: 10.1061/(ASCE)0733-947X(2001)127:2(159)
I had previously written a little about stem cells. While researchers still don’t yet know exactly how the four factors transform the fully differentiated fibroblast cells back into pluripotency, possible explanations are pouring in.Pluripotency (by which the stem cell may become any tissue; muscle or nerve, for example) and “self renewal” (cells should not only differentiate, some ready stock of stem cells must be there for future need) are important determinants for stem cells.According ........ Read more »
Okita, K., Ichisaka, T., & Yamanaka, S. (2007) Generation of germline-competent induced pluripotent stem cells. Nature, 448(7151), 313-317. DOI: 10.1038/nature05934
Who cares about insects? Aren’t they just agricultural pests, household nuisances, and harborers of disease? I surely hope that is simply an attempt at exaggeration or at best an antiquated notion. Insects are vital to ecosystem management and fill important environmental roles as pollinators, decomposers parasites, herbivores, predators, and prey. Additionally, as approximately 50% of [...]... Read more »
FONSECA, C. (2009) The Silent Mass Extinction of Insect Herbivores in Biodiversity Hotspots. Conservation Biology. DOI: 10.1111/j.1523-1739.2009.01327.x
Reduce, re-use, and recycle. Just one of the countless mantras of the twenty-first century that we are told will save the planet. Of course, my grandmother used to put it far more succinctly and in a much more accessible form: waste not, want not.
Now, we have carbon footprints, emissions targets, and landfill directives, that are [...]Metal Bottle Tops and Landfill Mining is a post from: Sciencebase Science Blog
... Read more »
Mahmoud A. Rabah. (2009) Recovery of aluminium alloys and some valuable salts from spent bottle covers. Int. J. Environment and Waste Management, 5(1/2), 194-210. info:/
Scale up of engineered bone grafts towards clinical applications is always a central challenge in regenerative medicine. In latest article PNAS Grayson et. al report an approach to develop clinically sized viable bone grafts of human temporomandibular joint (TMJ) condylar or Jaw bone seeded with human bone marrow stem/progenitor cells (hMSCs). This study was carried out by a research group led by Dr Gordana Vunjak-Novakovic at the Columbia University and it appears in the online issue of journ........ Read more »
Grayson, W., Frohlich, M., Yeager, K., Bhumiratana, S., Chan, M., Cannizzaro, C., Wan, L., Liu, X., Guo, X., & Vunjak-Novakovic, G. (2009) Regenerative Medicine Special Feature: Engineering anatomically shaped human bone grafts. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0905439106
At the heart of Systems Biology is a vast hunger for measurements. mRNA abundance, metabolite concentration, reactions rates, degradation rates, protein abundance. This last measurement has long been problematic for researchers, mass spectrometers get increasingly accurate and powerful, but are still hindered by the simple fact that observed signal intensity does not necessarily correlate directly with the [...]... Read more »
Malmström, J., Beck, M., Schmidt, A., Lange, V., Deutsch, E., & Aebersold, R. (2009) Proteome-wide cellular protein concentrations of the human pathogen Leptospira interrogans. Nature, 460(7256), 762-765. DOI: 10.1038/nature08184
A quick analysis of online social networks, such as LinkedIn and Xing would suggest that a mere 1 in 7 research scientists use such tools as part of their work. This contrasts starkly with the business world where uptake is up to 88%. In other words almost 9 out of every ten employees in the [...]Gen-F Scientists Ignoring Social Networking is a post from: Sciencebase Science Blog
... Read more »
Lackes, R., Siepermann, M., & Frank, E. (2009) Social networks as an approach to the enhancement of collaboration among scientists. International Journal of Web Based Communities, 5(4), 577. DOI: 10.1504/IJWBC.2009.028091
It can be argued that one of the most influential articles ever published in the Journal of Applied Physiology is the Analysis of tissue and arterial blood temperatures in the resting human forearm by Harry H. Pennes, which appeared in Volume 1, No. 2, published in August, 1948. Thus begins Prof. Wissler, his 1998 revisit [...]... Read more »
PENNES HH. (1948) Analysis of tissue and arterial blood temperatures in the resting human forearm. Journal of applied physiology, 1(2), 93-122. PMID: 18887578
Where should a business set up its new commercial store – chain or single – to maximize its profit? There may be a demand for the store in a sparsely populated region but it may be wiser to locate the store in a densely populated region for more profit. Is there a definite correlation between population density and commercial facility density?
Similarly, if the government or citizen group wants to locate a public facility – temples, toilets, grocery store, fire station &ndas........ Read more »
Um, J., Son, S., Lee, S., Jeong, H., & Kim, B. (2009) Scaling laws between population and facility densities. Proceedings of the National Academy of Sciences, 106(34), 14236-14240. DOI: 10.1073/pnas.0901898106
A paper out in the October issue of Ecological Applications puts forth a new use for light detection and ranging technology, or LiDAR: the prediction of bird habitats.
LiDAR technology uses laser imaging techniques to develop maps of forest vegetation structure by sending laser beams from aircrafts that fly over a study area. In this case, [...]
... Read more »
Seavy, N., Viers, J., & Wood, J. (2009) Riparian bird response to vegetation structure: a multiscale analysis using LiDAR measurements of canopy height. Ecological Applications, 19(7), 1848-1857. DOI: 10.1890/08-1124.1
Short lecture of Pablo Artal, professor of Optics at the University of Murcia in Spain on how different persons see the world. Based in the use of a unique research tool: the adaptive optics visual simulator. Learn how a myopic person sees, or a person with cataract or how a lucky individual with "supervision" can read letters at great distance!... Read more »
E. J. Fernández, S. Manzanera, P. Piers, P. Artal. (2002) Adaptive optics visual simulator. J. Refract. Surg. info:/
Until 2001, few people had heard the term micro ribonucleic acids, but these little chunks of nucleic acid, just 21 to 23 bases long, have been conserved throughout evolution. They don’t code for proteins, but they do seem to be involved in the regulation of immunity, the development and differentiation of immune cells, antibody production [...]microRNAs is a post from: Sciencebase Science Blog
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Virendra S. Gomase, & and Akshay N. Parundekar. (2009) microRNA: human disease and development. Int. J. Bioinformatics Research and Applications, 5(5), 479-500. info:/
In the article “Create enumerated constants in Java” , Eric point out static final constants like this:
static final int YELLOW = 0;
static final int GREEN = 1;
static final int BLUE = 2;
had the following drawbacks:
The major drawback is the lack of type safety. Any [...]... Read more »
Eric Armstrong. (1997) Create enumerated constants in Java. http://www.javaworld.com/jw-07-1997/jw-07-enumerated.html. info:/
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