Caltech

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Caltech articles

Displaying 1 - 10 of 10

Technology develops brain wiring diagrams

Technology develops brain wiring diagrams
The human brain is composed of billions of neurons wired together in intricate webs and communicating through electrical pulses and chemical signals. Although neuroscientists have made progress in understanding the brain's many functions—such as regulating sleep, storing memories, and making decisions—visualising the entire "wiring diagram" of neural connections throughout a brain is not possible using currently available methods.
9th January 2018

Artificial bacteria reflect signals for ultrasound imaging

Artificial bacteria reflect signals for ultrasound imaging
In the 1966 science fiction film Fantastic Voyage, a submarine is shrunken down and injected into a scientist's body to repair a blood clot in his brain. While the movie may be still be fiction, researchers at Caltech are making strides in this direction: they have, for the first time, created bacterial cells with the ability to reflect sound waves from inside bodies, reminiscent of how submarines reflect sonar to reveal their locations.
4th January 2018

How neurons help us make memory-based decisions

How neurons help us make memory-based decisions
  Research from Caltech provides insight into how the brain works to recall memories and make decisions based on episodic memories. This research may one day lead to better understanding of diseases that affect memory such as Alzheimer's disease.
19th December 2017


Test reveals antibiotic-resistant bacteria in 30 minutes

Test reveals antibiotic-resistant bacteria in 30 minutes
The discovery of antibiotics in the early part of the 20th century changed modern medicine. Simple infections that previously killed people became easy to treat. Antibiotics' ability to stave off infections made possible routine surgeries, organ transplants, and chemotherapy for the treatment of cancer. But because of overuse and misuse, antibiotics are losing their effectiveness.
12th October 2017

Microchip technology could be used to track smart pills

Microchip technology could be used to track smart pills
Researchers at Caltech have developed a prototype miniature medical device that could ultimately be used in "smart pills" to diagnose and treat diseases. A key to the new technology—and what makes it unique among other microscale medical devices—is that its location can be precisely identified within the body, something that proved challenging before.
14th September 2017

App with smartphone camera assesses heart health

App with smartphone camera assesses heart health
Want to know how healthy your heart is? Now there's an app for that. In a proof-of-concept clinical trial, engineers at Caltech, Huntington Medical Research Institute, and USC have demonstrated that the camera on your smartphone can noninvasively provide detailed information about your heart's health. What used to require a 45-minute scan from an ultrasound machine can now be accomplished by simply holding your phone up to your neck for a minute or two.
11th September 2017

Microscopy technique could reduce repeat surgeries

Microscopy technique could reduce repeat surgeries
Engineers at the Optical Imaging Laboratory led by Caltech's Lihong Wang have developed an imaging technology that could help surgeons removing breast cancer lumps confirm that they have cut out the entire tumour - reducing the need for additional surgeries. About 300,000 new cases of invasive breast cancer are discovered annually. Of these, 60 to 75% of patients underwent breast-conserving surgery.
18th May 2017

Transparent bones enable observation of inner stem cells

Transparent bones enable observation of inner stem cells
Ten years ago, the bones currently in your body did not actually exist. Like skin, bone is constantly renewing itself, shedding old tissue and growing it anew from stem cells in the bone marrow. Now, a technique developed at Caltech can render intact bones transparent, allowing researchers to observe these stem cells within their environment. The method is a breakthrough for testing new drugs to combat diseases like osteoporosis.
27th April 2017

Artificial skin can sense temperature changes

Artificial skin can sense temperature changes
A team of engineers and scientists at Caltech and ETH Zurich have developed an artificial skin capable of detecting temperature changes using a mechanism similar to the one used by the organ that allows pit vipers to sense their prey. The material could be grafted onto prosthetic limbs to restore temperature sensing in amputees. It could also be applied to first-aid bandages to alert health professionals of a temperature increase—a sign of infection—in wounds.
30th January 2017

Protein engineering techniques design ultrasound tools

Protein engineering techniques design ultrasound tools
Ultrasound imaging is used around the world to help visualise developing babies and diagnose disease. Sound waves bounce off the tissues, revealing their different densities and shapes. The next step in ultrasound technology is to image not just anatomy, but specific cells and molecules deeper in the body, such as those associated with tumors or bacteria in our gut. A study from Caltech outlines how protein engineering techniques might help achieve this milestone.
25th August 2016


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