Researchers have developed a new generation of microscopic particles for molecular imaging, constituting one of the first promising nanoparticle platforms that may be readily adapted for tumor targeting and treatment in the clinic.
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While bacterial cells tend to be rather solitary individuals, they are also known to form intricately structured communities called biofilms. But until now, no one has known the mechanisms that cause isolated bacteria to suddenly aggregate into a social network. New insights from the lab of Harvard Medical School microbial geneticist Roberto Kolter reveal previously unknown communication pathways that cause such social phenomenon.
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With the growing availability of genome sequence data for a variety of organisms, many scientists are now focusing on factors that govern the expression of individual genes - an important field of molecular biology known as transcriptional regulation. A new edition of a popular laboratory manual on transcriptional regulation has just been published by Cold Spring Harbor Laboratory Press.
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Modern humans left Africa over 60,000 years ago in a migration that many believe was responsible for nearly all of the human population that exist outside Africa today. Now, researchers have revealed that men and women weren’t equal partners in that exodus. By tracing variations in the X chromosome and in the non-sex chromosomes, the researchers found evidence that men probably outnumbered women in that migration.
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Biologists have tracked down genes that control the handedness of snail shells, and they turn out to be similar to the genes used by humans to set up the left and right sides of the body.
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Bloedtest moet suikerziekte aangeven
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Steeds meer medici met verslaving
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Stoned aan operatietafel
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The road to commercial success in pharmaceuticals runs through the Food and Drug Administration’s clinical trial process, and TransTech Pharma wants to be in the driver’s seat.

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Sometimes success boils down to being in the right place at the right time.

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