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Implantable Pressure Sensor Powered By Musical Frequencies Real-time Neuronal Activity Highlighted by New Fluorescent Dye Manganese May Provide the First Known Treatment for Shiga Toxin
 
Implantable Pressure Sensor Powered By Musical Frequencies

Implantable Pressure Sensor Powered By Musical Frequencies

Scientists at Purdue University have designed a novel in-vivo pressure sensor which generates power by absorbing low frequency sounds, such as the bass frequencies of most music. The sensor consists of an ultra-sensitive cantilever which vibrates at certain frequencies, generating an electric charge. This charge is stored within a capacitor until the vibrations stop, at [...]

Real-time Neuronal Activity Highlighted by New Fluorescent Dye

Real-time Neuronal Activity Highlighted by New Fluorescent Dye

In order to monitor and decipher the interactions of brain cells, or neurons, scientists have resorted to a variety of methods including gold nanoparticle arrays, complex neurochips and simple cation-sensitive dyes. Researchers at the Tsien lab at the University of California, San Diego School of Medicine, however, have developed a new fast-acting fluorescent dye that improves upon [...]

Manganese May Provide the First Known Treatment for Shiga Toxin

Manganese May Provide the First Known Treatment for Shiga Toxin

Shiga toxin is a dangerous by-product of certain infectious bacteria, such as strains of Shigella and E. coli, which causes symptoms ranging from intestinal pain to kidney failure and even death. Over 150 million people are afflicted with Shiga toxicosis every year, mostly in developing countries where waterborne diseases are prevalent. It is estimated that [...]

World’s First Chimeric Rhesus Monkeys Illuminate New Findings on Primate Stem Cell Development

World’s First Chimeric Rhesus Monkeys Illuminate New Findings on Primate Stem Cell Development

10 January 2012

Describing their achievement in an article titled “Generation of Chimeric Rhesus Monkeys” for the latest issue of Cell, scientists from Oregon Health & Science University engineered the first successful birth of chimeric Rhesus monkeys. Roku and Hex (shown right) are twins born to the same mother, while Chimero (a singleton) was born to a different surrogate [...]

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Protein Found to Affect Anxiety Disorders

Protein Found to Affect Anxiety Disorders

08 January 2012

Proteins regulate the expression of genes in order to maintain physiological balance within the body. Improper protein concentrations can lead to over or under expression of certain genes, resulting in pathological or psychological disorders. One such protein, MeCP2, has been shown to affect genes which regulate anxiety and social interaction. Scientists at the Neurological Research [...]

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Novel Magnetic Bacteria Successfully Cultivated for Medical Applications

Novel Magnetic Bacteria Successfully Cultivated for Medical Applications

30 December 2011

In Badwater Basin, at the edge of Death Valley National Park, researchers from the University of Nevada, Las Vegas have discovered a new type of magnetic bacteria that could prove useful for a number of biomedical applications. This new bacterium, dubbed BW-1, belongs to a class of magnetic or magnetotactic bacteria characterized by internal structures called magnetosomes [...]

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Neuroscientists Identify a Single Gene Regulator of Memory Formation

Neuroscientists Identify a Single Gene Regulator of Memory Formation

24 December 2011

The brain requires activation of many different genes to alter connections between neurons for encoding memories. Neuroscientists at the Massachusetts Institute of Technology have published findings that the Npas4 gene and transcription factor may be a singular instigator and master gene for memory formation in the brain. Npas4 was previously known for activating during new experiences. [...]

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Chemical Pathway Shown to Directly Affect Obesity

Chemical Pathway Shown to Directly Affect Obesity

24 December 2011

Obesity and related disorders are a growing problem in America. This epidemic is a result of both changing lifestyles and genetic/chemical influences. Recent research, in particular, has shown just how important chemical balance is to maintaining a healthy weight. A study published in Cell Metabolism (2011), for example, has brought to light a chemical signaling pathway [...]

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New Gene Therapy Stops Bleeding in Hemophilia Patients

New Gene Therapy Stops Bleeding in Hemophilia Patients

20 December 2011

Hemophilia refers to a class of genetic disorders characterized by the impairment of blood clotting or coagulation due to the lack of clotting factors normally produced by the liver. Hemophilia type A, for example, results from the deficiency of Clotting Factor VIII while Hemophilia type B results from the lack of Clotting Factor IX. In a [...]

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