শনিবার, ২৪ ডিসেম্বর, ২০১১

A Pigeon's Potential: Learning Abstract Numbers

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Source: http://www.npr.org/2011/12/24/144219474/a-pigeons-potential-learning-abstract-numbers?ft=1&f=1007

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Rich Chinese couple?s octuplets spark anger, inquiry

[unable to retrieve full-text content]

Source: www.firstpost.com --- Thursday, December 22, 2011
A rich Chinese couple who had eight babies with the help of two surrogate mothers has been forced to move out of their villa following a public uproar. ...

Source: http://www.firstpost.com/world/rich-chinese-couples-octuplets-spark-anger-inquiry-163910.html

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শুক্রবার, ১৬ ডিসেম্বর, ২০১১

In third-degree burn treatment, hydrogel helps grow new, scar-free skin

Tuesday, December 13, 2011

Johns Hopkins researchers have developed a jelly-like material and wound treatment method that, in early experiments on skin damaged by severe burns, appeared to regenerate healthy, scar-free tissue.

In the Dec. 12-16 online Early Edition of Proceedings of the National Academy of Sciences, the researchers reported their promising results from mouse tissue tests. The new treatment has not yet been tested on human patients. But the researchers say the procedure, which promotes the formation of new blood vessels and skin, including hair follicles, could lead to greatly improved healing for injured soldiers, home fire victims and other people with third-degree burns.

The treatment involved a simple wound dressing that included a specially designed hydrogel -- a water-based, three-dimensional framework of polymers. This material was developed by researchers at Johns Hopkins' Whiting School of Engineering, working with clinicians at the Johns Hopkins Bayview Medical Center Burn Center and the Department of Pathology at the university's School of Medicine.

Third-degree burns typically destroy the top layers of skin down to the muscle. They require complex medical care and leave behind ugly scarring. But in the journal article, the Johns Hopkins team reported that their hydrogel method yielded better results. "This treatment promoted the development of new blood vessels and the regeneration of complex layers of skin, including hair follicles and the glands that produce skin oil," said Sharon Gerecht, an assistant professor of chemical and biomolecular engineering who was principal investigator on the study.

Gerecht said the hydrogel could form the basis of an inexpensive burn wound treatment that works better than currently available clinical therapies, adding that it would be easy to manufacture on a large scale. Gerecht suggested that because the hydrogel contains no drugs or biological components to make it work, the Food and Drug Administration would most likely to classify it as a device. Further animal testing is planned before trials on human patients begin. But Gerecht said, "It could be approved for clinical use after just a few years of testing."

John Harmon, a professor of surgery at the Johns Hopkins School of Medicine and director of surgical research at Bayview, described the mouse study results as "absolutely remarkable. We got complete skin regeneration, which never happens in typical burn wound treatment."

If the treatment succeeds in human patients, it could address a serious form of injury. Harmon, a coauthor of the PNAS journal article, pointed out that 100,000 third-degree burns are treated every year in U. S. burn centers like Bayview's. A burn wound dressing using the new hydrogel could have enormous potential for use in applications beyond common burns, including treatment of diabetic patients with foot ulcers, Harmon said.

Guoming Sun, a Maryland Stem Cell Research Postdoctoral Fellow in Gerecht's lab and lead author on the paper, has been working with these hydrogels for the past three years, developing ways to improve the growth of blood vessels, a process called angiogenesis. "Our goal was to induce the growth of functional new blood vessels within the hydrogel to treat wounds and ischemic disease, which reduces blood flow to organs like the heart," Sun said. "These tests on burn injuries just proved its potential."

Gerecht says the hydrogel is constructed in such a way that it allows tissue regeneration and blood vessel formation to occur very quickly. "Inflammatory cells are able to easily penetrate and degrade the hydrogel, enabling blood vessels to fill in and support wound healing and the growth of new tissue," she said. For burns, the faster this process occurs, Gerecht added, the less there is a chance for scarring.

Originally, her team intended to load the gel with stem cells and infuse it with growth factors to trigger and direct the tissue development. Instead, they tested the gel alone. "We were surprised to see such complete regeneration in the absence of any added biological signals," Gerecht said.

Sun added, "Complete skin regeneration is desired for various wound injuries. With further fine-tuning of these kinds of biomaterial frameworks, we may restore normal skin structures for other injuries such as skin ulcers."

Gerecht and Harmon say they don't fully understand how the hydrogel dressing is working. After it is applied, the tissue progresses through the various stages of wound repair, Gerecht said. After 21 days, the gel has been harmlessly absorbed, and the tissue continues to return to the appearance of normal skin.

The hydrogel is mainly made of water with dissolved dextran, a polysaccharide (sugar molecule chains). "It also could be that the physical structure of the hydrogel guides the repair," Gerecht said. Harmon speculates that the hydrogel may recruit circulating bone marrow stem cells in the bloodstream. Stem cells are special cells that can grow into practically any sort of tissue if provided with the right chemical cue. "It's possible the gel is somehow signaling the stem cells to become new skin and blood vessels," Harmon said.

###

Johns Hopkins University: http://www.jhu.edu

Thanks to Johns Hopkins University for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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Source: http://www.labspaces.net/115958/In_third_degree_burn_treatment__hydrogel_helps_grow_new__scar_free_skin

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বুধবার, ৭ ডিসেম্বর, ২০১১

Report: Shaun White Involved in X-Rated Photo Scandal (omg!)

Report: Shaun White Involved in X-Rated Photo Scandal

They say a picture is worth a thousand words -- but in Shaun White's case, it could be worth much more.

PHOTOS: More Hollywood sex scandals

According to TMZ, X-rated photos of the 25-year-old X Games athlete are currently being shopped around the web. Sources claim the photos were taken during a hotel party just before White won the gold medal at the 2009 Winter X-Games for Superpipe.

PHOTOS: Stars dating athletes

One photo features White making out with a clothed blonde woman in front of several partygoers. A second image shows White in bed with the same woman, though this time they are both naked.

PHOTOS: Red hot redheads

When contacted by TMZ, White's rep had no comment. The two-time Olympic gold medalist has yet to address the scandal himself via Twitter.

Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly

Source: http://us.rd.yahoo.com/dailynews/rss/entertainment/*http%3A//us.rd.yahoo.com/dailynews/external/omg_rss/rss_omg_en/news_report_shaun_white_involved_x_rated_photo_scandal164326802/43810663/*http%3A//omg.yahoo.com/news/report-shaun-white-involved-x-rated-photo-scandal-164326802.html

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মঙ্গলবার, ৬ ডিসেম্বর, ২০১১

Feds to allow use of Medicare data to rate doctors (AP)

WASHINGTON ? Picking a specialist for a delicate medical procedure like a heart bypass could get a lot easier in the not-too-distant future.

The government announced Monday that Medicare will finally allow its extensive claims database to be used by employers, insurance companies and consumer groups to produce report cards on local doctors and hospitals.

By analyzing masses of billing records, experts can glean such critical information as how often a doctor has performed a particular procedure and get a general sense of problems such as preventable complications.

Doctors will be individually identifiable through the Medicare files, but personal data on their patients will remain confidential. Compiled in an easily understood format and released to the public, medical report cards could become a powerful tool for promoting quality care.

"There is tremendous variation in how well doctors do, and most of us as patients don't know that. We make our choices blind," said David Lansky, president of the Pacific Business Group on Health. "This is the beginning of a process to give us the information to make informed decisions." His nonprofit represents 50 large employers that provide coverage for more than 3 million people.

Medicare acting administrator Marilyn Tavenner called the new policy "a giant step forward in making our health care system more transparent and promoting increased competition, accountability, quality and lower costs."

Early efforts to rate physicians using limited private insurance data have thus far focused on primary care doctors, but Medicare's rich information could provide the numbers to start rating specialists as well, Lansky said. Consumers will see the first performance reports by late 2012, said a Medicare spokesman.

Medicare officials say they expect nonprofit research groups in California, Minnesota, Wisconsin, Massachusetts and other states to jump at the chance to use the data. With 47 million beneficiaries and virtually every doctor and hospital in the country participating, Medicare's database is considered the mother lode of health care information.

Tapping it has largely been forbidden because of a decades-old court ruling that releasing the information would violate the privacy of doctors. Insurance companies tried to fill the gap using their own claims data, but their files are nowhere near as comprehensive as Medicare's

Following appeals from lawmakers of both parties on Capitol Hill, President Barack Obama's health care overhaul changed federal law to explicitly authorize release of the information. Medicare followed through in regulations issued Monday.

Consumer groups were still poring over the fine print, concerned about rules that could make it harder for them to gain access. But employer groups welcomed the new policy.

"There is pent-up demand for this data because everyone wants to be a more informed, intelligent consumer, especially as health care costs are still rising," said Maria Ghazal, policy director at the Business Roundtable, which represents CEOs of major companies providing coverage to some 35 million employees, retirees and family members.

Companies will use the data analyses in their annual updates to their insurance plans. But Ghazal said they also want to put report cards directly in the hands of their employees.

"We want to make it understandable and usable by our employees," said Ghazal.

Early ratings efforts using insurance company data have lacked sufficient statistical power to rank specialists. The numbers of cases of cancer and serious heart problems in the younger, working-age population simply weren't big enough. The Medicare data could change that, since older people are more prone to chronic illnesses.

"If you want to look at heart disease or cancer, suddenly you have more data to look at each doctor with," said Lansky. "It's the power of numbers."

Doctors groups that fought for years to prevent release of the Medicare data, have lately shifted to putting conditions on its use.

For example, Medicare's rule gives individual providers the right to see their information before it is publicly released, and 60 days to challenge it.

The American Medical Association had previously argued that such data could be misleading to untrained consumers. For example, a surgeon who has lots of patients who develop complications may actually be a top practitioner who takes cases that others less skilled would turn away.

Medicare says it will screen the analytical methods of groups that are requesting access to the data. The organizations will have to meet other qualifications, such as having access to claims data of their own. And they will have to pay for access to the Medicare files.

Source: http://us.rd.yahoo.com/dailynews/rss/health/*http%3A//news.yahoo.com/s/ap/20111205/ap_on_go_ca_st_pe/us_medical_report_cards

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সোমবার, ৫ ডিসেম্বর, ২০১১

Apollo 13: James Lovell's checklist sells for $388,375

Dallas-based Heritage Auctions sold the Apollo 13 checklist Wednesday as part of a batch of US space program artifacts being offered during its 'Space Signature Auction.'

?A checklist used by?Apollo?13?commander James Lovell to make calculations that helped guide the damaged spacecraft home has been sold at auction for $388,375.

Skip to next paragraph

Dallas-based Heritage Auctions sold the checklist Wednesday as part of a batch of US space program artifacts being offered during its "Space Signature Auction."

The checklist was sold to an anonymous collector. The pre-auction estimate for the checklist was $25,000.

Michael Riley, senior historian at Heritage, says that without the checklist, the crew would not have known their position in space.

On April?13, 1970, an oxygen tank exploded as the spaceship was four-fifths of the way to the moon. The crew was forced to scrap the moon mission and focus on getting back to Earth alive.

Source: http://rss.csmonitor.com/~r/feeds/science/~3/9c6y_I4gfMc/Apollo-13-James-Lovell-s-checklist-sells-for-388-375

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Pauly D Signs With 50 Cent, Promises 'Big Things'

G-Unit boss Fif tweets a photo of him and MTV 'Jersey Shore' star, confirming the record deal.
By Jocelyn Vena


DJ Pauly D and 50 Cent
Photo: 50 Cent via Lockerz

Yeah, buddy! Pauly D is officially a member of 50 Cent's G-Unit team. The "Jersey Shore" star and DJ has just been signed to the rapper's G-Note record label, 50 confirmed on Twitter, adding a photo of the pair together.

Pauly also took to the site to spread the word about the deal. "Big Big Things In The Works @50cent And @DJPaulyD !!!!!" he wrote. "#yeahhhhbuddy" (A rep for G-Unit also confirmed the signing to MTV News.)

Talk of a Pauly D/ 50 Cent collaboration has been floating around since the summer when the MTV reality star teased a joint album to Billboard.

"I'm focusing on music. That's my passion," Pauly said. "I'm working with 50 Cent now. I'm gonna do an album with him. It's going to be a little bit of everything. It's almost like DJ Khaled and kind of David Guetta but my own DJ Pauly D style."

The "Shore" star also hinted at the G-Unit deal in an earlier interview with XXL, saying that the ink on the rumored three-album deal would officially be dry by year's end. "50 Cent has also been somebody I look up to. We ended up linking up and we just clicked," he said. "We hit it off immediately with the music and everything like that. So I'm definitely gonna be working with him. There's been talks about the album and the headphones. I'm looking forward to working with that as well."

The latest news comes as Pauly continues to expand his brand, including a residency at Las Vegas nightclub Rain at the Palms Resort and Casino. He opened for Britney Spears on her Femme Fatale Tour and is reportedly set to join her again at her December 10 show, the final stop on her world tour.

What do you think of Pauly D teaming up with 50 Cent? Tell us in the comments!

Related Artists

Source: http://www.mtv.com/news/articles/1675288/pauly-d-50-cent-signing.jhtml

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রবিবার, ৪ ডিসেম্বর, ২০১১

Report: Sandusky talks about Paterno, case (AP)

NEW YORK ? Former Penn State defensive coordinator Jerry Sandusky said Joe Paterno never spoke to him about any suspected misconduct with minors, the New York Times reported Saturday.

Sandusky has been charged with 40 counts of molesting eight boys over 15 years and is free on bail while awaiting a preliminary hearing on Dec. 13 .

Penn State's board of trustees fired Paterno on Nov. 9 because it felt the football coach didn't go far enough in alerting authorities after an assistant coach said he told Paterno he saw Sandusky assaulting a young boy in the football building showers in March 2002.

During a lengthy interview at his lawyer's home, Sandusky told the newspaper he and Paterno never spoke about the alleged 2002 incident or a 1998 child molestation complaint investigated by the Penn State campus police.

"I never talked to him about either one," Sandusky said. "That's all I can say. I mean, I don't know." He worked for Paterno for nearly 30 years.

Sandusky said he never sexually abused any child and that prosecutors have misunderstood his work with children.

"They've taken everything that I ever did for any young person and twisted it to say that my motives were sexual or whatever," Sandusky told the Times. "I had kid after kid after kid who might say I was a father figure. And they just twisted that all."

He is accused of mining the ranks of his Second Mile charity to find underprivileged boys to abuse. Sandusky also said that the charity never restricted his access to children until he became the subject of a criminal investigation in 2008.

He said he regularly gave money to the disadvantaged boys at his charity, opened bank accounts for them and gave them gifts that had been donated to the charity.

"I tried to reward them sometimes with a little money in hand, just so that they could see something," he said. "But more often than not, I tried to set up, maybe get them to save the money, and I put it directly into a savings account established for them."

"I never bought a computer for any kid; I had a computer given to me to give to a kid. I never bought golf clubs. People gave things because they knew there would be kids. They wanted to get rid of things."

Asked about his physical interaction with children who were not his own, Sandusky said that aspect of the relationships "just happened that way."

"I think a lot of the kids really reached out" for wrestling and hugging, he said.

The paper said he grew most animated when talking about his relationships with children and most disconsolate when he spoke of Paterno and Penn State, and the upheaval caused by his indictment.

"I don't think it was fair," he is quoted as saying.

During the interview, Sandusky said his relationships and activities with Second Mile children did cause some strain with Paterno. He told the paper he worried that having some children with him at hotels before games or on the sideline during games, could have been regarded as a distraction by Paterno.

"I would have dreams of we being in a squad meeting and that door fly open and kids come running through chasing one another, and what was I going to do?" he said. "Because, I mean, Joe was serious about football."

Source: http://us.rd.yahoo.com/dailynews/rss/topstories/*http%3A//news.yahoo.com/s/ap/20111203/ap_on_sp_ot/us_penn_state_abuse_sandusky

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শনিবার, ৩ ডিসেম্বর, ২০১১

Biophysical Society Announces winners of 2012 International Relations Committee travel awards

Biophysical Society Announces winners of 2012 International Relations Committee travel awards [ Back to EurekAlert! ] Public release date: 2-Dec-2011
[ | E-mail | Share Share ]

Contact: Erica Retrosi
eretrosi@biophysics.org
240-290-5600
Biophysical Society

Rockville, MD -- The Biophysical Society has announced the winners of its International Relations Committee travel awards to attend the Biophysical Society's 56th Annual Meeting at the San Diego Convention Center in San Diego, California, February 25-29, 2012. The purpose of these awards is to foster and initiate further interaction between American biophysicists and scientists working in countries experiencing financial difficulties. Recipients of this competitive award are chosen based on scientific merit and their proposed presentation at the meeting. They will be honored at a reception on Sunday, February 26.

The 2012 recipients of the International Relations Committee Travel Award are:

  • Ligia Antonio, University of Sao Paulo, Ribeirao Preto, Brazil, AFM IMAGING REVEALS THE ASSEMBLY OF A P2X RECEPTOR COMPLEX CONTAINING P2X2, P2X4 AND P2X6 SUBUNITS.
  • Seetharamaiah Attili, CIC biomaGUNE, San Sebastian, Spain, COMPRESSIVE MECHANICS OF HYALURONAN BRUSHES - A STUDY WITH A COMBINED COLLOIDAL PROBE AFM/RICM SETUP.
  • Cecilia Bouzat, Instituto de Investigaciones Bioquimicas, Bahia Blanca, Argentina, CONTRIBUTION OF AGONIST BINDING SITES AND COUPLING REGIONS TO ACTIVATION AND DESENSITIZATION OF HOMOMERIC CYS-LOOP RECEPTORS.
  • Maria Celej, National University of Cordoba, Argentina, ALPHA-SYNUCLEIN AMYLOID OLIGOMERS EXHIBIT BETA-SHEET ANTIPARALLEL STRUCTURE AS REVEALED BY FTIR SPECTROSCOPY.
  • Ibrahim Cisse, Ecole Normale Superieure, Paris, France, FROM SINGLE-MOLECULE INTERACTIONS TO POPULATION-LEVEL DYNAMICS: UNDERSTANDING THE COMPLEX ORGANIZATION OF RNA POL II IN THE NUCLEUS OF LIVING CELLS.
  • Gustavo Contreras, University of Valparaiso, Chile, DIFFERENTIAL EFFECTS OF BETA SUBUNITS ON THE VOLTAGE SENSOR OF CA2+ AND VOLTAGE-ACTIVATED K+ CHANNELS.
  • Sandra de Keijzer, Radboud University Nijmegan Medical Center, The Netherlands, DECIPHERING THE CROSS-TALK OF THE PROSTAGLANDIN G-PROTEIN COUPLED RECEPTORS EP2 AND EP4: FROM MOLECULAR INSIGHTS TO NOVEL ANTI-TUMOR TARGETS.
  • Hongxia Fu, National University of Singapore, Singapore, ATP HYDROLYSIS DEPENDENT DYNAMIC STABILITY OF RECA NUCLEOFILAMENT ON DOUBLE-STRANDED DNA.
  • Vanesa Galassi, National University of Cordoba, Argentina, INTERACTION OF AN ACIDIC PERIPHERAL PROTEIN WITH ANIONIC LIPID MEMBRANES: INSIGHTS FROM MOLECULAR DYNAMICS.
  • Tzachi Hagai, Weizmann Institute, Rehovot, Israel, PROTEIN DISORDER AND DEGRADATION: IS UBIQUITIN THE MISSING LINK?
  • Radoslav Janicek, Institute of Molecular Physiology and Genetics SAS, Bratislava, Slovakia, REFRACTORINESS OF CALCIUM RELEASE UNITS IN RAT CARDIAC MYOCYTES.
  • Soojin Jo, Sungkyunkwan University, Suwon, Korea, NORMAL MODE COMPARISON ELUCIDATES DYNEIN WALKING MECHANISM TRIGGERED BY ATP HYDROLYSIS.
  • Maria Mariani, National University of Cordoba, Argentina, A NEW SECRETORY PHOSPHOLIPASE A2 FROM GLYCINE MAX SOYBEAN: PURIFICATION, CHARACTERIZATION AND KINETIC ANALYSIS.
  • Nathaly Marin-Medina, Universidad de los Andes, Bogota, Colombia, OBSERVATION OF BACTERIAL TYPE I PILI EXTENSION UNDER FLUID FLOW.
  • Joaquim Marques, University of Lisbon, Portugal, FORMATION OF BIOMIMETIC MEMBRANE RAFTS ON BARE AND MODIFIED GOLD.
  • Kirill Nadezhdin, IBCH RAS, Moscow, Russia, STRUCTURE OF TRANSMEMBRANE DOMAIN AND DIMERIZATION MECHANISM OF AMYLOID PRECURSOR PROTEIN.
  • Anna Neumann, Gdansk University of Technology, Poland, NEW INSIGHTS INTO THE MEMBRANE MECHANISM OF ACTION OF AMPHOTERICIN B FROM MOLECULAR DYNAMICS SIMULATIONS.
  • Manuela Pereira, New University of Lisbon, Oeiras, Portugal, ENERGY TRANSDUCTION BY BACTERIAL COMPLEXES I.
  • Estefania Piegari, FCEN-UBA, Buenos Aires, Argentina, STUDYING CALCIUM SIGNAL RESHAPING BY BUFFERS OBSERVING THE COMPETITION OF TWO DYES.
  • Suvrajit Saha, National Centre for Biological Sciences, Tata Institute for Fundamental Research, Bangalore, India, UNDERSTANDING THE NATURE OF CORTICAL ACTO-MYOSIN BASED ACTIVE PATTERNING MACHINERY AND ITS IMPLICATIONS ON THE DYNAMICS AND THE ORGANIZATION OF CELL SURFACE MOLECULES.
  • Maria Sanchez, INIMEC, Cordoba, Argentina, CHARACTERIZATION OF MEMBRANE LIPIDS AND PROTEIN LATERAL DIFFUSION IN PATTERNED SURFACES.
  • Ravi Santani, AIIMS, New Delhi, India, STRUCTURAL BASIS OF THE SPECIFIC FUNCTIONS OF PROTEINS SECRETED FROM MAMMARY GLAND DURING DIFFERENT PROGRESSIVE STAGES SUCH AS PROLIFERATIVE, EARLY-LACTATION, LATE-LACTATION AND INVOLUTION PHASES.
  • Saswata Sarkar, TIFR, Mumbai, India, STRUCTURE AND DYNAMICS OF MOLTEN GLOBULAR INTERMEDIATES ENCOUNTERED DURING THE UNFOLDING OF BARSTAR.
  • Bidyut Sarkar, Tata Institute of Fundamental Research, Mumbai, India, MULTIPHOTON ULTRAVIOLET MICROSCOPY REVEALS DOPAMINE DYNAMICS IN LIVE BRAIN TISSUE.
  • Sivan Siloni, Tel Aviv University, Israel, N AND C TERMINAL INTERACTIONS UNDERLIE CHANNEL GATING OF M CHANNELS.
  • Nitu Singh, Advanced Center for Treatment, Research, and Education in Cancer, Navi-Mumbai, India, INSIGHTS INTO THE NOVEL ADAPTOR-INDEPENDENT APOPTOSIS MEDIATED BY HUMAN PAPILLOMAVIRUS E2 PROTEIN.
  • Chen Song, Max Planck Institute for Biophysical Chemistry, Gottingen, Germany, STRUCTURE AND DYNAMICS OF THE HUMAN ANTIMICROBIAL PEPTIDE DERMCIDIN OLIGOMER: IT IS AN ION CHANNEL.
  • Orsolya Szilagyi, University of Debrecen, Hungary, THE POSSIBLE ROLE OF PSD-95 IN THE REARRANGEMENT OF KV1.3 CHANNELS TO THE IMMUNOLOGICAL SYNAPSE.
  • Sanjay Upadhyay, IIT Bombay, Mumbai, India, MODELING BINDING INTERFACES IN GAL3P-GAL80P AND GAL1P-GAL80P COMPLEXES: IMPLICATION FOR GAL GENES REGULATION.
  • Ishkhan Vardanyan, Yerevan State University, Armenia, INTERACTION OF PORPHYRINS WITH tRNA: THE INFLUENCE OF IONIC STRENGTH.
  • Ravi Kumar Verma, IIT Kanpur, India, DISTINGUISHING FEATURES OF AQUAGLYCEROPORIN IN PLASMODIUM FALCIPARUM: COMPARATIVE MOLECULAR DYNAMICS SIMULATIONS OF THREE AQUAPORINS.
  • Natalia Wilke, Center for Research in Biological Chemistry of Cordoba, Argentina, LINE TENSION IN LIPID MONOLAYERS WITH LIQUID-LIQUID PHASE COEXISTENCE.

###

The Biophysical Society, founded in 1956, is a professional, scientific Society established to encourage development and dissemination of knowledge in biophysics. The Society promotes growth in this expanding field through its annual meeting, monthly journal, and committee and outreach activities. Its 9000 members are located throughout the U.S. and the world, where they teach and conduct research in colleges, universities, laboratories, government agencies, and industry. For more information on these awards, the Society, or the 2012 Annual Meeting, visit http://www.biophysics.org.



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Biophysical Society Announces winners of 2012 International Relations Committee travel awards [ Back to EurekAlert! ] Public release date: 2-Dec-2011
[ | E-mail | Share Share ]

Contact: Erica Retrosi
eretrosi@biophysics.org
240-290-5600
Biophysical Society

Rockville, MD -- The Biophysical Society has announced the winners of its International Relations Committee travel awards to attend the Biophysical Society's 56th Annual Meeting at the San Diego Convention Center in San Diego, California, February 25-29, 2012. The purpose of these awards is to foster and initiate further interaction between American biophysicists and scientists working in countries experiencing financial difficulties. Recipients of this competitive award are chosen based on scientific merit and their proposed presentation at the meeting. They will be honored at a reception on Sunday, February 26.

The 2012 recipients of the International Relations Committee Travel Award are:

  • Ligia Antonio, University of Sao Paulo, Ribeirao Preto, Brazil, AFM IMAGING REVEALS THE ASSEMBLY OF A P2X RECEPTOR COMPLEX CONTAINING P2X2, P2X4 AND P2X6 SUBUNITS.
  • Seetharamaiah Attili, CIC biomaGUNE, San Sebastian, Spain, COMPRESSIVE MECHANICS OF HYALURONAN BRUSHES - A STUDY WITH A COMBINED COLLOIDAL PROBE AFM/RICM SETUP.
  • Cecilia Bouzat, Instituto de Investigaciones Bioquimicas, Bahia Blanca, Argentina, CONTRIBUTION OF AGONIST BINDING SITES AND COUPLING REGIONS TO ACTIVATION AND DESENSITIZATION OF HOMOMERIC CYS-LOOP RECEPTORS.
  • Maria Celej, National University of Cordoba, Argentina, ALPHA-SYNUCLEIN AMYLOID OLIGOMERS EXHIBIT BETA-SHEET ANTIPARALLEL STRUCTURE AS REVEALED BY FTIR SPECTROSCOPY.
  • Ibrahim Cisse, Ecole Normale Superieure, Paris, France, FROM SINGLE-MOLECULE INTERACTIONS TO POPULATION-LEVEL DYNAMICS: UNDERSTANDING THE COMPLEX ORGANIZATION OF RNA POL II IN THE NUCLEUS OF LIVING CELLS.
  • Gustavo Contreras, University of Valparaiso, Chile, DIFFERENTIAL EFFECTS OF BETA SUBUNITS ON THE VOLTAGE SENSOR OF CA2+ AND VOLTAGE-ACTIVATED K+ CHANNELS.
  • Sandra de Keijzer, Radboud University Nijmegan Medical Center, The Netherlands, DECIPHERING THE CROSS-TALK OF THE PROSTAGLANDIN G-PROTEIN COUPLED RECEPTORS EP2 AND EP4: FROM MOLECULAR INSIGHTS TO NOVEL ANTI-TUMOR TARGETS.
  • Hongxia Fu, National University of Singapore, Singapore, ATP HYDROLYSIS DEPENDENT DYNAMIC STABILITY OF RECA NUCLEOFILAMENT ON DOUBLE-STRANDED DNA.
  • Vanesa Galassi, National University of Cordoba, Argentina, INTERACTION OF AN ACIDIC PERIPHERAL PROTEIN WITH ANIONIC LIPID MEMBRANES: INSIGHTS FROM MOLECULAR DYNAMICS.
  • Tzachi Hagai, Weizmann Institute, Rehovot, Israel, PROTEIN DISORDER AND DEGRADATION: IS UBIQUITIN THE MISSING LINK?
  • Radoslav Janicek, Institute of Molecular Physiology and Genetics SAS, Bratislava, Slovakia, REFRACTORINESS OF CALCIUM RELEASE UNITS IN RAT CARDIAC MYOCYTES.
  • Soojin Jo, Sungkyunkwan University, Suwon, Korea, NORMAL MODE COMPARISON ELUCIDATES DYNEIN WALKING MECHANISM TRIGGERED BY ATP HYDROLYSIS.
  • Maria Mariani, National University of Cordoba, Argentina, A NEW SECRETORY PHOSPHOLIPASE A2 FROM GLYCINE MAX SOYBEAN: PURIFICATION, CHARACTERIZATION AND KINETIC ANALYSIS.
  • Nathaly Marin-Medina, Universidad de los Andes, Bogota, Colombia, OBSERVATION OF BACTERIAL TYPE I PILI EXTENSION UNDER FLUID FLOW.
  • Joaquim Marques, University of Lisbon, Portugal, FORMATION OF BIOMIMETIC MEMBRANE RAFTS ON BARE AND MODIFIED GOLD.
  • Kirill Nadezhdin, IBCH RAS, Moscow, Russia, STRUCTURE OF TRANSMEMBRANE DOMAIN AND DIMERIZATION MECHANISM OF AMYLOID PRECURSOR PROTEIN.
  • Anna Neumann, Gdansk University of Technology, Poland, NEW INSIGHTS INTO THE MEMBRANE MECHANISM OF ACTION OF AMPHOTERICIN B FROM MOLECULAR DYNAMICS SIMULATIONS.
  • Manuela Pereira, New University of Lisbon, Oeiras, Portugal, ENERGY TRANSDUCTION BY BACTERIAL COMPLEXES I.
  • Estefania Piegari, FCEN-UBA, Buenos Aires, Argentina, STUDYING CALCIUM SIGNAL RESHAPING BY BUFFERS OBSERVING THE COMPETITION OF TWO DYES.
  • Suvrajit Saha, National Centre for Biological Sciences, Tata Institute for Fundamental Research, Bangalore, India, UNDERSTANDING THE NATURE OF CORTICAL ACTO-MYOSIN BASED ACTIVE PATTERNING MACHINERY AND ITS IMPLICATIONS ON THE DYNAMICS AND THE ORGANIZATION OF CELL SURFACE MOLECULES.
  • Maria Sanchez, INIMEC, Cordoba, Argentina, CHARACTERIZATION OF MEMBRANE LIPIDS AND PROTEIN LATERAL DIFFUSION IN PATTERNED SURFACES.
  • Ravi Santani, AIIMS, New Delhi, India, STRUCTURAL BASIS OF THE SPECIFIC FUNCTIONS OF PROTEINS SECRETED FROM MAMMARY GLAND DURING DIFFERENT PROGRESSIVE STAGES SUCH AS PROLIFERATIVE, EARLY-LACTATION, LATE-LACTATION AND INVOLUTION PHASES.
  • Saswata Sarkar, TIFR, Mumbai, India, STRUCTURE AND DYNAMICS OF MOLTEN GLOBULAR INTERMEDIATES ENCOUNTERED DURING THE UNFOLDING OF BARSTAR.
  • Bidyut Sarkar, Tata Institute of Fundamental Research, Mumbai, India, MULTIPHOTON ULTRAVIOLET MICROSCOPY REVEALS DOPAMINE DYNAMICS IN LIVE BRAIN TISSUE.
  • Sivan Siloni, Tel Aviv University, Israel, N AND C TERMINAL INTERACTIONS UNDERLIE CHANNEL GATING OF M CHANNELS.
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  • Orsolya Szilagyi, University of Debrecen, Hungary, THE POSSIBLE ROLE OF PSD-95 IN THE REARRANGEMENT OF KV1.3 CHANNELS TO THE IMMUNOLOGICAL SYNAPSE.
  • Sanjay Upadhyay, IIT Bombay, Mumbai, India, MODELING BINDING INTERFACES IN GAL3P-GAL80P AND GAL1P-GAL80P COMPLEXES: IMPLICATION FOR GAL GENES REGULATION.
  • Ishkhan Vardanyan, Yerevan State University, Armenia, INTERACTION OF PORPHYRINS WITH tRNA: THE INFLUENCE OF IONIC STRENGTH.
  • Ravi Kumar Verma, IIT Kanpur, India, DISTINGUISHING FEATURES OF AQUAGLYCEROPORIN IN PLASMODIUM FALCIPARUM: COMPARATIVE MOLECULAR DYNAMICS SIMULATIONS OF THREE AQUAPORINS.
  • Natalia Wilke, Center for Research in Biological Chemistry of Cordoba, Argentina, LINE TENSION IN LIPID MONOLAYERS WITH LIQUID-LIQUID PHASE COEXISTENCE.

###

The Biophysical Society, founded in 1956, is a professional, scientific Society established to encourage development and dissemination of knowledge in biophysics. The Society promotes growth in this expanding field through its annual meeting, monthly journal, and committee and outreach activities. Its 9000 members are located throughout the U.S. and the world, where they teach and conduct research in colleges, universities, laboratories, government agencies, and industry. For more information on these awards, the Society, or the 2012 Annual Meeting, visit http://www.biophysics.org.



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Source: http://www.eurekalert.org/pub_releases/2011-12/bs-bsa_1120211.php

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Chavez: New regional group revives Bolivar's dream (AP)

CARACAS, Venezuela ? South American independence hero Simon Bolivar once dreamed of unifying several nations as a counterweight to their powerful hemispheric neighbor, the United States.

Two centuries later, Venezuelan President Hugo Chavez tapped into that legacy Friday as he hosted leaders from across the Americas at a two-day summit. Chavez described the new regional bloc that excludes the U.S. as a tribute to his idol Bolivar, saying the time has come to put an end to U.S. hegemony.

"Only unity will make us free," Chavez said to applause at the opening ceremony. "This is the path: Unity, unity, unity!"

He called it an achievement that Latin America has been seeking for 200 years, and shouted: "Viva Bolivar!"

Nicaraguan President Daniel Ortega echoed Chavez's sentiments, saying Latin American and Caribbean countries should ensure that the policy of U.S. intervention to protect the region's nations, declared by President James Monroe in 1823, is never revived.

"We are sentencing the Monroe Doctrine to death," Ortega said.

The 33-nation Community of Latin American and Caribbean States includes every country in Latin America and the Caribbean. Unlike the Washington-based Organization of American States, or OAS, it will have Cuba as a full member and exclude the U.S. and Canada.

Cuban President Raul Castro said that if it's successful, the creation of the new bloc known by its Spanish initials CELAC will be "the biggest event in 200 years."

"I'm sorry it isn't Fidel who is occupying the place that I am, because he is the one who deserves it," Castro said of his elder brother, who permanently stepped down from Cuba's presidency in 2008.

Castro condemned this year's NATO airstrikes in Libya as a crime and said Latin American and Caribbean nations should declare themselves a "territory of peace and free of foreign militaries."

Other Latin American leaders said they see CELAC as a forum to build closer economic and political relations across the region, but not as a platform for challenging U.S. policies.

Mexican President Felipe Calderon said it will be a group "to work in favor of unity and prosperity." Colombian President Juan Manuel Santos, who is a U.S. ally but also has friendly relations with Chavez, said that "CELAC isn't being born to be against anyone."

Daniel Restrepo, President Barack Obama's senior adviser on Latin America, told reporters in Miami that the U.S. government would watch to see what direction CELAC takes.

"There's one sector that wants an anti-American project, and that isn't sustainable. There are others who want to use it to face the challenges they have," Restrepo said.

At the summit, Chavez embraced leaders one-by-one, and later launched into a wide-ranging speech discussing poverty-reduction efforts as well as reading excerpts of Bolivar's letters and a passage from Gabriel Garcia Marquez's novel "One Hundred Years of Solitude."

The summit was Chavez's international debut after months of cancer treatment that forced him to postpone the meeting originally scheduled for July.

Talking about his struggle with cancer, Chavez credited Fidel Castro with saving his life by insisting he undergo thorough medical tests that turned up a tumor during a June visit to Cuba.

Chavez said he had wanted to go ahead with the summit in July, but Castro had advised him: "You choose: the summit or your life. ... The summit can wait."

Following surgery to remove the tumor in his pelvic region, Chavez finished chemotherapy in September and declared himself to be cancer-free. He drew a standing ovation from the leaders when he referred to the recent cancer diagnosis of former Brazilian President Luiz Inacio Lula da Silva, saying: "Lula will win that battle, too."

After initial speeches, the Venezuelan government treated the leaders to a concert by conductor Gustavo Dudamel and the Simon Bolivar Youth Symphony Orchestra.

Outside the summit, small groups of Chavez opponents including university students put up protest signs on Caracas overpasses. Denouncing the country's high crime rate, some signs read: "Presidents, welcome to the crime capital." Police swiftly removed the signs.

Many leaders referred to Bolivar's legacy, including Brazilian President Dilma Rousseff, who focused on calling for a coordinated response to safeguard the region's growing economies from the global financial crisis.

"Together we can be stronger, together we can grow, and that should be beneficial for everyone," Rousseff said. "The economic, financial crisis should be at the center of our concerns."

Plans for the new organization, which grew out of the 24-nation Rio Group, have been in the works since a 2008 summit hosted by Silva.

Chavez has long sought inspiration in the legacy of Bolivar, who in the early 1800s served as president of Gran Colombia, a republic made up of much of northern South America and modern-day Panama until it broke up into individual states following years of dissent and political upheaval.

Chavez calls his political movement the Bolivarian Revolution and in 1999 promoted the approval of a new constitution that changed the country's name to the Bolivarian Republic of Venezuela. Last year, Chavez even oversaw the opening of Bolivar's coffin to re-examine the cause of his death, and the Venezuelan government is building a new mausoleum to house Bolivar's remains.

Bolivar was an admirer of the American Revolution, although he warned that the unrivaled power of the United States could eventually pose a threat to the young nations of Latin America that had won independence from Spain.

___

Associated Press writers Ian James and Jorge Rueda in Caracas and Gisela Salomon in Miami contributed to this report.

___

Christopher Toothaker on Twitter: http://twitter.com/ctoothaker

Source: http://us.rd.yahoo.com/dailynews/rss/world/*http%3A//news.yahoo.com/s/ap/20111203/ap_on_re_la_am_ca/lt_venezuela_summit

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Chrome moves into second place in global browser usage (Digital Trends)

google-chrome

Based off a report from Ireland-based research firm StatCounter, the Google Chrome browser has moved into second place globally for the first time. While Microsoft?s Internet Explorer still remains at the top, Mozilla?s Firefox browser continued on a downward trend that started at the end of 2010. The research firm reported that Chrome took a?25.7 percent market share in November 2011 while Firefox fell to?25.23 percent. Just two years ago, the Google Chrome browser was barely over 4.5% and was tied with browsers like Apple?s Safari and Opera.?Microsoft?s Internet Explorer?surprisingly?maintained browser share and hovered around 40 percent of all browsers across the globe.?

global_browser_shareCompeting research firm?Net Applications isn?t ready to declare Google Chrome the clear second place leader yet, but sees a similar pattern of shrinking Firefox support and growing Chrome adoption. Net Applications is predicting that Chrome will overtake Firefox by March 2012. Google?s rapid release cycle is typically credited with the rapid adoption of the browser. Using a six-week revision cycle since the launch of the browser, Google has been able to roll out speedy updates and improve the speed at which users can browse the Web. Due to growing competition, Mozilla recently ditched yearly updates to adopt a similar speedy release cycle. Google Chrome 16 recently hit beta channels last month and is expected to be released in December 2011?

Regarding mobile browsers on smartphones and tablets, market share continued to fluctuate between Android and Opera Mini. BlackBerry and Symbian also each garnered three percent of the market. Safari remained at the top of the pack with 55 percent of market share due to use on the iPhone and iPad devices. Console browsing usage was still dominated by the PlayStation 3. Other console browsers included Opera, WebTV and Microsoft Internet Explorer. ?

For more about Google Chrome, check out our Beginner?s Guide to Google Chrome.

This article was originally posted on Digital Trends

More from Digital Trends

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Google Chrome on track to overtake Firefox in 2011

Google Chrome overtakes Firefox in UK browser market

Internet Explorer users have lowest IQ of all web surfers, study shows [updated]

Source: http://us.rd.yahoo.com/dailynews/rss/linux/*http%3A//news.yahoo.com/s/digitaltrends/20111201/tc_digitaltrends/chromemovesintosecondplaceinglobalbrowserusage

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Apple Ditched Carrier IQ with iOS 5 [Carrier Iq]

Apple's weighed in on the Carrier IQ poo-storm, and says it's basically washed its hands of the controversial rootkit with iOS 5. Post-iOS 3 software had been found to have references to Carrier IQ, but Apple says it's going to completely wipe out whatever's left in a future update. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/NJr9THQqNRU/ios-5-ditched-carrier-iq-on-apple-devices

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