News / Africa

iPhone Becomes Low-Cost Microscope

The handheld device that has transformed the way people communicate is also changing the medical field. Credit: Issac Bogoch
The handheld device that has transformed the way people communicate is also changing the medical field. Credit: Issac Bogoch

Multimedia

Audio
Joe DeCapua
The Apple iPhone can be used for lot of things – making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections in children.

Dr. Issac Bogoch, an infectious disease specialist at Toronto General Hospital, says with a few dollars and a little ingenuity, the "smart phone" is turning into an important medical diagnostic tool in places that often lack such techology, like rural Africa. 

“I used an iPhone 4s and that’s simply because I just happen to own one, but any smart phone with a decent camera and a zoom-in function should work just fine," he said. "Then we bought a ball lens, which is about eight dollars. We just got it online. And then we used some double-sided tape to stick the ball lens to the lens of the camera on the iPhone.”


Bogoch is the lead author of a new study on the iPhone-turned-microscope. It appears in the American Journal of Tropical Medicine and Hygiene.

“We got this idea from reading some of the medical literature, and we saw that some other groups had published neat images that were taken in the laboratory using smart phones and converting them into microscopes," he said. "But we thought that this was a really neat concept and we wanted to take it to real world and practical settings."

Bogoch and his colleagues from Massachusetts General Hospital and the Swiss Tropical and Public Health Institute tested their idea on Pemba Island in Tanzania.

“We were looking at school-age children that are unfortunately disproportionately affected by intestinal parasitic infections. And these infections affect over a billion people on the planet,” he said.

The make-shift microscope could detect parasitic infections to varying degrees. The best results came in detecting moderate to heavy infections. Results were not as good for mild infections. However, Bogoch thinks that will change when the technology improves.

“We took slides. We were looking for intestinal parasites. So these are stool samples. The slide had a little bit of cellophane covering the stool sample and we put the slide very close to our ball lens, which was stuck up against the iPhone. And we were able to zoom-in and we could see the parasites that we were looking for pretty easily.”

Intestinal worms include hookworms and round worms. They can cause chronic anemia and malnutrition. Typical diagnosis is done by examining a stool sample with a conventional light microscope.

Bogoch said that the next step is to improve the image quality. He says the smartphone microscope could greatly enhance disease control in poor, rural areas. He added that treatment for many intestinal parasites is generally widely available and very well tolerated.

If health workers in the field are unsure what the image means, he says they could text or email it to experts elsewhere and get a diagnosis a short time later.

You May Like

Video Miami Cubans Divided on New US Policy

While older, more conservative Cuban Americans have promoted anti-Castro political movement for years, younger generations say economically, it is time for change More

2014 Sees Dramatic Uptick in Boko Haram Abductions

Militants suspected in latest mass kidnapping of over 100 people in Gumsuri, Nigeria on Sunday More

Video Cuba Deal Is Major Victory for Pope

Role of Francis hailed throughout US, Latin America - though some Cuban-American Catholics have mixed feelings More

This forum has been closed.
Comments
     
There are no comments in this forum. Be first and add one

Featured Videos

Your JavaScript is turned off or you have an old version of Adobe's Flash Player. Get the latest Flash player.
Sudan School Becomes Target of Aerial Attacksi
X
December 19, 2014 12:45 AM
The school dropout rate is at an all-time high in Sudan's South Kordofan state because many schools have been destroyed during the three-year civil war between the government and SPLA-N rebel forces. Adam Bailes visited Sudan's Nuba Mountains' region and reports many children are simply too scared to go to school
Video

Video Sudan School Becomes Target of Aerial Attacks

The school dropout rate is at an all-time high in Sudan's South Kordofan state because many schools have been destroyed during the three-year civil war between the government and SPLA-N rebel forces. Adam Bailes visited Sudan's Nuba Mountains' region and reports many children are simply too scared to go to school
Video

Video VOA Reporter Tours Devastated Peshawar School

Islamist militants wearing military uniforms and strapped with explosives attacked a military run school Tuesday in the northwestern Pakistani city of Peshawar. At least 141 people were killed in the horrific attack, most of them young students. VOA reporter Ayaz Gul visited the devastated school and attended the funeral of the principal who courageously tried to save her students from the deadly attack.
Video

Video Nigerians Fleeing Boko Haram Languish in Camp Near Capital

In its five-year effort to impose Islamic law in northeastern Nigeria, the Boko Haram extremist group has killed thousands of people and forced hundreds of thousands to flee. Some of those who ran for their lives now live in squalor on the edges of the capital, Abuja. Chris Stein reports for VOA.
Video

Video Putin Says Russian Economy Will Emerge Stronger

Russian President Vladimir Putin has said his country's sinking economy will not only recover but also become stronger, despite falling oil prices and Western sanctions over Ukraine. VOA's Daniel Schearf reports.
Video

Video Detained Turkish Journalists Follow Teachings of US-Based Preacher

The Turkish government’s jailing of critical journalists has sparked international condemnation and is being seen as an effort to undermine the followers of an ailing Turkish preacher based in the United States. VOA religion reporter Jerome Socolovsky has more.
Video

Video ‘Anti-Islamization’ Marches Increase Tensions In Germany

Anti-immigrant rallies in Germany have been building in recent weeks, peaking Monday night in the city of Dresden where tens of thousands of people turned out to demonstrate against what they call the ‘Islamization’ of the West. Germany has offered asylum to more Syrian refugees than any other country, and this appears to have set off the protests. Henry Ridgwell reports from London.
Video

Video Aceh Rebuilt Decade After Tsunami, But Scars Remain

On December 26, 2004 there was an earthquake in the Indian Ocean so powerful it caused the Earth’s axis to wobble a few centimeters. Onshore on the island of Sumatra, the resulting tsunami was devastating. A decade later, VOA Correspondent Steve Herman reports from Banda Aceh, Indonesia, where although there is little remaining evidence of the physical devastation, the psychological scars among survivors remain.
Video

Video Refugees Living in Kenya Long for Peace in the Home Countries

Kenya is host to numerous refugees seeking safe haven from conflict. Immigrants from Somalia face challenges in their new lives in Kenya. Ahead of International Migrants Day (December 18) Lenny Ruvaga has more for VOA News from the Kenyan capital.

All About America

AppleAndroid