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Tired Of Needles? Measure Your Glucose Levels With An iPhone

skin_tattoo[1]Researchers at Northeastern University are using nanosensors implanted into the skin — similar to a tattoo — and a modified iPhone to measure sodium and glucose levels in patients. The implications for this could be tremendous, but first, here’s how it works:

“The team begins by injecting a solution containing carefully chosen nanoparticles into the skin. This leaves no visible mark, but the nanoparticles will fluoresce when exposed to a target molecule, such as sodium or glucose. A modified iPhone then tracks changes in the level of fluorescence, which indicates the amount of sodium or glucose present.”

For patients who are diabetics, Read more »

*This blog post was originally published at iMedicalApps*

E-Messages Sent When Pill Is Swallowed

University of Florida researchers have developed a signaling technology that can be embedded into drug tablets to notify clinicians and caretakers that a pill has been ingested.

Although a bit of electronics is going to be moving through the digestive system, the researchers believe that it will pass safely without causing side effects to the patient.

If the technology proves itself, it may soon be used to confirm compliance in clinical trials or to monitor patients under a strict drug regimen.

One part is the pill, a standard white capsule coated with a label embossed with silvery lines. The lines comprise the antenna, which is printed using ink made of non-toxic, conductive silver nanoparticles. The pill also contains a tiny microchip, one about the size of a period on paper. Read more »

*This blog post was originally published at Medgadget*

Nanoparticles Act As Mini-Bombs For Cancer Cells

New cancer targeting nanoparticles seem like daily news here at Medgadget. Today we have gold nanoparticles developed jointly by researchers at Rice University and A.V. Lykov Heat and Mass Transfer Institute in Minsk, Belarus that create plasmonic nanobubbles when targeted with a laser. These particles can be guided to a tumor by antibodies and then activated to generate tiny explosions, so clinicians one day will be able to stay back and enjoy. Read more »

*This blog post was originally published at Medgadget*

Bee Venom Nanoparticles Can Kill Cancer Cells

We have known for many years that melittin, an ingredient in bee venom, is a poison to tumor cells. Development of therapeutic uses of the substance has been stymied by the fact that melittin does damage to healthy cells as well. Now researchers from Washington University in St. Louis have developed nanoparticles called “nanobees” that can ferry the melittin directly to tumor cells with great specificity.

The Wall Street Journal reports: Read more »

*This blog post was originally published at Medgadget*

Killing Cancer With Sugar And Magnets?

An international team of collaborators from a number of academic institutions and a couple pharmaceutical firms has been working with researchers at the National Institute of Standards and Technology (NIST) to study how special sugar coated iron oxide nanoparticles interact with each other to destroy cancer cells under laboratory conditions. The 100 nanometer wide particles, which are attracted by tumor cells, are particularly prone to magnetically induced heating.
Read more »

*This blog post was originally published at Medgadget*

Latest Interviews

IDEA Labs: Medical Students Take The Lead In Healthcare Innovation

It’s no secret that doctors are disappointed with the way that the U.S. healthcare system is evolving. Most feel helpless about improving their work conditions or solving technical problems in patient care. Fortunately one young medical student was undeterred by the mountain of disappointment carried by his senior clinician mentors…

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How To Be A Successful Patient: Young Doctors Offer Some Advice

I am proud to be a part of the American Resident Project an initiative that promotes the writing of medical students residents and new physicians as they explore ideas for transforming American health care delivery. I recently had the opportunity to interview three of the writing fellows about how to…

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Latest Book Reviews

Book Review: Is Empathy Learned By Faking It Till It’s Real?

I m often asked to do book reviews on my blog and I rarely agree to them. This is because it takes me a long time to read a book and then if I don t enjoy it I figure the author would rather me remain silent than publish my…

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The Spirit Of The Place: Samuel Shem’s New Book May Depress You

When I was in medical school I read Samuel Shem s House Of God as a right of passage. At the time I found it to be a cynical yet eerily accurate portrayal of the underbelly of academic medicine. I gained comfort from its gallows humor and it made me…

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Eat To Save Your Life: Another Half-True Diet Book

I am hesitant to review diet books because they are so often a tangled mess of fact and fiction. Teasing out their truth from falsehood is about as exhausting as delousing a long-haired elementary school student. However after being approached by the authors’ PR agency with the promise of a…

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