Braves place Beachy on DL with sore right elbow

ATLANTA (AP) ? The Atlanta Braves have placed Brandon Beachy on the 15-day disabled list with a sore right elbow and recalled Todd Redmond from Triple-A Gwinnett.

Beachy, who leads the major leagues with his 2.00 ERA, will be scheduled for an MRI on his elbow. He left Saturday night's game against Baltimore in the fourth inning.

Beachy said Sunday he has had bone spurs in the elbow. He said he didn't feel a pop in the elbow, only soreness, on Saturday night.

Redmond, a right-hander, is with the Braves for Sunday's game. The 27-year-old Redmond was 6-4 with a 3.20 in 13 starts for Gwinnett. This is his first promotion to the major leagues.

Associated Press

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Entrepreneurs to Lead the Way to a More Ethical Business Future ...

If you're new here, you may want to subscribe to my blog. . Thanks for visiting!

The term ?Corporate Social Responsibility? (CSR) has been a buzz word in both the business and environmental worlds over the past few years. The message of those who speak out for CSR is simple: the time has come for businesses to move away from thinking only about short-term profits and look at the bigger impact their business has upon the global economy, people and the planet.

We live in a consumer culture. This means that, today more than ever, the entrepreneur has a powerful role to play in society. We all know that with great power comes great responsibility, and given all the ways business and marketing has affected the world, more and more entrepreneurs are waking up to the fact that it is time to reassess what we are doing and why, and to take responsibility for the impact our choices and actions have on the wider welfare of the world.

This cannot happen if we continue we all act in isolation. To create a tangible and positive shift in the world, we need to come together as business owners, and form a critical mass of key influencers in society. We need both to speak up and to listen to each other.

That is exactly what will be happening at the 7 Graces Global Conference (7GGC). The 3-day conference will take place on Friday June 22nd through Sunday 24th, 2012 in London, England and will also be broadcast worldwide via Interactive Live Stream.

7GGC will bring together entrepreneurs, marketers, media professionals, journalists, conscious consumers and eco-citizens from around the world, who wish to demonstrate their commitment to business ethics, corporate responsibility, social wellbeing and environmental sustainability. Together, they will become a Tipping Point for positive change. You can read about the conference, and book you place, at http://the7gracesofmarketing.com/7GGC.

The conference will also be offered via Interactive Live Stream, accessible from anywhere in the world with Internet access, where you can share your opinions, questions and innovations with London delegates.

The event will feature 9 dynamic guest presenters including Keynote speaker RACHEL ELNAUGH, former ?Dragon? from BBC TV?s hit show DRAGONS? DEN.

The 7 Graces Global Conference is the brainchild of my dear colleague, Lynn Serafinn, a marketer and author of the #1 bestseller The 7 Graces of Marketing: how to heal humanity and the planet by changing the way we sell.

Lynn says, ?We won?t be ?selling? anything at this conference except our commitment to humanity and the planet. The primary question we?ll be addressing throughout the three days will be ?How can we heal humanity and the planet by changing the way we sell???

I am proud to be supporting 7GGC by helping spread the word about this important event, and I encourage you to attend either the London conference, or via Interactive Live Stream. And, as one of my valued readers, you can also get a special 10% discount when you register:

Register for the 7 Graces Global Conference
either in London or via Live Stream at
http://the7gracesofmarketing.com/7GGC
Then, enter the coupon code: 7ggc-special-10

?

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Rooney out to prove point on Euro return

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Video: Romney: "We're not going to send checks to Europe" (cbsnews)

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Navarrette: Immigration decision a stunt (CNN)

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Catching some rays

Friday, June 15, 2012

Drawn together by the force of nature, but pulled apart by the force of man ? it sounds like the setting for a love story, but it is also a basic description of how scientists have begun to make more efficient organic solar cells.

At the atomic level, organic solar cells function like the feuding families in Romeo and Juliet. There's a strong natural attraction between the positive and negative charges that a photon generates after it strikes the cell, but in order to capture the energy, these charges need to be kept separate.

When these charges are still bound together, they are known to scientists as an exciton. "The real question that this work tries to answer is how to design a material that will make splitting the exciton require less energy," said senior chemist Lin Chen of the U.S. Department of Energy's (DOE) Argonne National Laboratory.

Excitons can be thought of as a sort of "quasiparticle," Chen said, because they exhibit certain unique behaviors. When the two charged regions of the exciton ? the electron and a region known as a "hole" ? are close together, they are difficult to pry apart.

When energy is added to the system, however, the charges begin to separate, rendering the electrons and holes completely free and eventually allowing for the possibility of generating current and extracting electricity.

"The closer the hole and the electron regions are inside an exciton, the more likely they are to recombine without generating electricity," Chen said. "But if they are already 'pre-separated,' or polarized, the more likely they are to escape from this potential trap and become effective charge carriers."

In the new experiment, Chen and her colleagues examined how four different molecules in the polymer layer in the middle of a solar cell generated different exciton dynamics. They discovered that more heavily polarized excitons yielded more efficient polymer-based solar cells.

"If the conventional exciton, right after it is generated, contains the hole and electron in almost the same location, these new materials are generating an exciton that is much more polarized at the beginning," Chen said. Currently, the collaborative team is exploring new materials for high-efficiency organic solar cells based on these findings.

Organic solar cells still have a ways to go to get close to the efficiency of their inorganic, silicon-based competitors, but they remain much more attractive from a cost perspective. Further research into the electronic dynamics of organic photovoltaics is essential to improving their efficiency and thus making solar power cost-competitive with conventional energy sources, Chen said.

###

DOE/Argonne National Laboratory: http://www.anl.gov

Thanks to DOE/Argonne National Laboratory 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.

This press release has been viewed 25 time(s).

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Breast milk kills HIV and blocks its oral transmission in humanized mouse

Friday, June 15, 2012

More than 15 percent of new HIV infections occur in children. Without treatment, only 65 percent of HIV-infected children will live until their first birthday, and fewer than half will make it to the age of two. Although breastfeeding is attributed to a significant number of these infections, most breastfed infants are not infected with HIV, despite prolonged and repeated exposure.

HIV researchers have been left with a conundrum: does breast milk transmit the virus or protect against it?

New research from the University of North Carolina School of Medicine explores this paradox in a humanized mouse model, demonstrating that breast milk has a strong virus killing effect and protects against oral transmission of HIV.

"This study provides significant insight into the amazing ability of breast milk to destroy HIV and prevent its transmission," said J. Victor Garcia, PhD, senior author on the study and professor of medicine in the UNC Center for Infectious Diseases and the UNC Center for AIDS Research. "It also provides new leads for the isolation of natural products that could be used to combat the virus."

Garcia and colleagues pioneered the humanized "BLT" mouse model, which is created by introducing human bone marrow, liver and thymus tissues into animals without an immune system of their own. Humanized BLT mice have a fully functioning human immune system and can be infected with HIV in the same manner as humans.

In the study, the researchers first determined that the oral cavity and upper digestive tract of BLT mice have the same cells that affect oral transmission of HIV in humans and then successfully transmitted the virus to the mice through these pathways. When the mice were given virus in whole breast milk from HIV-negative women, however, the virus could not be transmitted.

"These results are highly significant because they show that breast milk can completely block oral transmission of both forms of HIV that are found in the breast milk of HIV-infected mothers: virus particles and virus-infected cells," said Angela Wahl, PhD, a post-doctoral researcher in Garcia's lab and lead author on the paper. "This refutes the 'Trojan horse' hypothesis which says that HIV in cells is more stubborn against the body's own innate defenses than HIV in virus particles."

Finally, the researchers studied the effectiveness of pre-exposure prophylaxis (PrEP) with antiretroviral medication for oral transmission of HIV. Garcia and his team have previously shown that PrEP is effective against intravenous, vaginal and rectal transmission of HIV in humanized BLT mice. In this study, they gave the mice antiretroviral drugs for seven days (3 days before and 4 days after exposing them to the virus) and found 100 percent protection against virus transmission.

These latest findings provide important leads to alternative treatments that could be used to prevent transmission.

"No child should ever be infected with HIV because it is breastfed. Breastfeeding provides critical nutrition and protection from other infections, especially where clean water for infant formula is scarce," Garcia said. "Understanding how HIV is transmitted to infants and children despite the protective effects of milk will help us close this important door to the spread of AIDS."

The study appears in the June 14, 2012 issue of the online journal PLoS Pathogens.

###

University of North Carolina Health Care: http://www.med.unc.edu

Thanks to University of North Carolina Health Care 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.

This press release has been viewed 48 time(s).

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