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News Item To eat or not to eat

UCLA researchers have developed a disposable biosensor that may help doctors determine which patients should be fed following surgery

Kim Irwin | August 12, 2014

A disposable plastic listening device that attaches to the abdomen may help doctors definitively determine which post-operative patients should be fed and which should not, an invention that may improve outcomes, decrease healthcare costs and shorten hospital stays, according to a UCLA study.

Some patients who undergo surgery develop a condition called post-operative ileus, a malfunction of the intestines. The condition causes patients to become ill if they eat too soon, which can lengthen an affected patient’s hospital stay by two to three days. Until now, there was no way to monitor for post-operative ileus other than listening to the belly for short periods with a stethoscope, said study first author Dr. Brennan Spiegel, a professor of medicine at the David Geffen School of Medicine at UCLA and the UCLA Fielding School of Public Health.

If proven successful, the device, a non-invasive acoustic gastrointestinal surveillance biosensor called AbStats, could also be used to help diagnose irritable bowel syndrome and inflammatory bowel disease as well as helping obese people learn by the sounds from their gut when they should or shouldn’t eat, which could help them lose weight.

Spiegel and his team worked with researchers at the UCLA Wireless Health Institute at the Henry Samueli School of Engineering and Applied Science to develop the sensor, which resembles a small plastic cap and has a tiny microphone inside to monitor digestion.

“We think what we’ve invented is a way to monitor a new vital sign, one to go along with heart rate, blood pressure and respiration. This new vital sign, intestinal rate, could prove to be important in diagnosing and treating patients,” Spiegel said. “The role of wearable sensors in healthcare has reached mainstream consciousness and has the capacity to transform how we monitor and deliver care.

“Yet, there are very few biosensors that are supported by any peer-reviewed evidence,” Spiegel continued. “This study represents peer-reviewed evidence supporting use of a biosensor, a device born and bred out of UCLA multidisciplinary research.”

The study appears in the early online edition of the peer-reviewed Journal of Gastrointestinal Surgery.

In this study, the biosensor was used to listen to sounds emanating from the intestines and was connected to a computer that measured the rate of acoustic events — movement of the intestines — as they occurred. The research team compared intestinal rates of healthy subjects using the device for 60 minutes after a standardized meal to rates recorded in two post-operative groups, patients who were tolerating food and those that had post-operative ileus.

Using the biosensor, Spiegel and his team could distinguish patients with post-operative ileus from patients who did not suffer from the condition by the sounds made by their intestines. In the future, doctors may use the biosensor to determine which patients can be fed, making an evidence-based decision instead of just guessing based on less specific information, Spiegel said.

Spiegel hopes to be able to determine if the biosensor can be used to identify patients at risk for post-operative ileus to help doctors make post-operative feeding decisions.

“After surgery, the bowels shut down under stress as the body is focused on keeping the brain, heart and lungs alive,” Spiegel said. “We also give patients narcotic medications for pain that can also cause the bowels to freeze up. The way doctors currently monitor for POI is putting a stethoscope on the patient’s belly for 15 seconds, briefly listening for sounds of intestinal awakening, and asking about flatulence. It’s all very rudimentary and inaccurate. With this new vital sign, the team can now monitor the intestines empirically and make more informed decisions.”

When the bowels shut down, they become very quiet, moving only a few times per minute versus the digestion of a healthy person, who generates 10 or more intestinal movements per minute. The movements make a “clicking” noise, and it is that noise the biosensor picks up and sends to a computer for analysis.

William J. Kaiser, a professor of electrical engineering and co-director of the UCLA Wireless Health Institute, said development of the biosensor system has been a primary focus of the institute.

“It has been rewarding and exciting for our entire team. The institute develops wearable biomedical sensor systems to support our physician colleagues and fulfill our mission of advancing healthcare delivery,” Kaiser said. “The biosensor system is an important example of this rapid development that has resulted in a low-cost instrument that serves an unmet need for continuous, non-invasive monitoring of the human digestive processes. The biosensor can operate in the clinic, at home and at any location on the globe.”

Gastrointestinal disorders are highly prevalent in both inpatient and outpatient settings. A recent study commissioned by the National Institutes of Health found that there are more than 70 million ambulatory care visits every year in the U.S. with a gastrointestinal disorder listed as the first diagnosis. That number swelled to more than 100 million visits when gastrointestinal disorders were mentioned anywhere in the diagnosis, the equivalent of nearly 36,000 outpatient visits per 100,000 Americans.

Gastrointestinal disorders also have enormous direct and indirect societal costs, Spiegel said. The total direct cost of care for gastrointestinal disorders is estimated at $100 billion annually. Indirect costs increase that figure to more than $140 billion.

“With the aging of the American population and the rising incidence of obesity, it is certain that the economic impact of gastrointestinal disorders will get increasingly worse over the next decade and beyond,” Spiegel said.

Re-posting from UCLA Newsroom.


News Item Professor Stanley Osher has been Awarded the Gauss Prize

Longtime UCLA professor earns highest honor in applied mathematics

Stuart Wolpert | August 12, 2014

Stanley Osher, UCLA professor of mathematics and director of applied mathematics, is the third person ever to be awarded the prestigious Gauss Prize, the highest honor in applied mathematics.

A UCLA professor since 1977, Osher received the award Wednesday afternoon local time during the opening ceremony of the International Congress of Mathematicians in Seoul, South Korea. The prize, named for 19th century mathematician Carl Friedrich Gauss, was first awarded at the 2006 congress. (The event is held every four years.)

The citation honoring Osher said he has made “influential contributions to several fields in applied mathematics and his far-ranging inventions have changed our conception of physical, perceptual, and mathematical concepts, giving us new tools to comprehend the world.”

Osher has collaborated with colleagues in a wide range of fields and the mathematical techniques he has pioneered have been highly influential. The results of his research have improved MRI scans and medical image analysis, advanced computer chip design, helped law enforcement agencies combat crime, enhanced computer vision, provided new ways to forecast weather and identify the source of earthquakes, and even revolutionized computer modeling for the design of supersonic jets.

“I am truly honored to have been awarded the third Carl Friedrich Gauss prize,” Osher said. “The previous winners were two of my scientific heroes. I am grateful to the UCLA administration and to my colleagues in the mathematics department for their support in building up applied mathematics, and to many of many colleagues outside of the department for the incredibly pleasant interdisciplinary research atmosphere that exists here.

“I’d also like to thank my sister, Sondra Jaffe, for convincing me that we could both join the middle class by becoming mathematicians in the post-Sputnik era.”

Osher has created innovative numerical methods to solve partial differential equations, and analyzed algorithms and their underlying partial differential equations. He also produced a new method for accurately describing how objects change shapes — predicting how, for example, a drop of oil floating in water will morph based on currents in the water, including what would happen if the drop of oil divided in two or merged with another drop of oil.

“Stan Osher is a superb applied mathematician who has made major advances in the solution of important real-world problems,” said Joseph Rudnick, senior dean of the UCLA College and dean of physical sciences. “His work is marked by elegance and efficiency. He richly deserves this important honor.”

The recipient of many previous awards, Osher was elected in 2005 to the National Academy of Sciences, and in 2009 to the American Academy of Arts and Sciences. He has been an Alfred P. Sloan Fellow and a Fulbright Fellow, and was selected to give a plenary address at the 2010 International Conference of Mathematicians and the John von Neumann Lecture at the 2013 meeting of the Society for Industrial and Applied Mathematics.

Osher was among the top 1 percent of the most frequently cited scholars in both mathematics and computer science between 2002 and 2012. His research was the subject of three-day “Osher Fests” at UCLA in 2002 and 2012.

He also the director of special projects at UCLA’s NSF-funded Institute for Pure and Applied Mathematics, where he has organized and participated in numerous workshops and programs.

Osher has trained and mentored more than 50 Ph.D. students and even more postdoctoral scholars, many of whom have become distinguished professors and researchers in applied mathematics. His students, one of whom received an Academy Award, have used mathematics to create special effects in dozens of movies, including “Pirates of the Caribbean.”

Osher said he is proud to be a professor at UCLA, whose applied mathematics department is ranked No. 2 in the U.S., per U.S. News and World Report, and whose pure mathematics department is also regarded among the best in the country.
He has said of his own research, “I write the algorithms that make the computer sing. I’m the Barry Manilow of mathematics.”

Re-posting from UCLA NewsroomGaussPrize

(Prof. Stanley Osher holds a joint appointment in the Electrical Engineering Department.)

 


News Item Work by Professor Rob Candler and students highlighted in the Journal of Microelectromechanical Systems

Robert CandlerWork by UCLA students Jere Harrison, Omeed Paydar, Yongha Hwang, Jimmy Wu, Evan Threlkeld, and professors Musumeci and Candler, entitled, Fabrication Process for Thick-Film Micromachined Multi-Pole Electromagnets, has been selected as a featured paper in the June issue of the Journal of Microelectromechanical Systems. The team designed and manufactured an ultra-high strength magnetic focusing and steering system for charged particle beams with the potential to miniaturize the state-of-the-art in microscopy, electron diffraction, and high-energy light sources.

 

 


News Item Ultra Low-Power WiFi Reflector Link For Next Generation Embedded and Wearable Devices

Mau-Chung Frank ChangWhile the advancing wearable devices market promises us a connectivity revolution in devices throughout our lives, conventional WiFi technology requires every device to carry a transmitter, a prospect which simply consumes too much power for a wearable or battery-free device to support.

UCLA researchers in collaboration with JPL have developed a WiFi reflector link over the last two years, which instead reflects existing WiFi signals present in the environment to communicate with a router or other WiFi source. As a wearable or other embedded device needs only reflect the WiFi signal, not generate it, the technology allows for connectivity at only 0.01% of the power consumption of a regular network link.

To date, JPL researchers Adrian Tang, Nacer Chahat and Rod Kim together with UCLA faculty Frank Chang have demonstrated reflector links up to 3 Mb/s at ranges of up to 2.5m in the laboratory. With more advanced signal processing, it is believed that such devices will eventually operate up to 20 meters with data rates comparable to existing WiFi connections (approx. 50 Mb/s).

 

 


News Item UCLA Engineering Plays Key Role in DARPA ‘Neuroprosthesis’ Research

MarkovicSayed

Markovic, Sayed to Work on a $15 Million Project to Restore Memory Function to Victims of Brain Injury

The UCLA Henry Samueli School of Engineering and Applied Science has been tapped by the Defense Advanced Research Projects Agency to play a key role in an innovative project aimed at developing a wireless, implantable brain device that could help restore lost memory function in individuals who have suffered debilitating brain injuries and other disorders.

The four-year effort, to be led by UCLA's Program in Memory Restoration and funded by up to $15 million from DARPA, will involve a team of experts in neurosurgery, electrical engineering, neurobiology, psychology and physics who will collaborate to create, surgically implant and test the new "neuroprosthesis" in patients.

Dr. Itzhak Fried, a professor of neurosurgery at the David Geffen School of Medicine at UCLA and a professor of psychiatry and biobehavioral sciences at the Semel Institute for Neuroscience and Human Behavior at UCLA, is UCLA’s lead investigator on the project.

Dejan Markovic, associate professor of electrical engineering, will lead a group of UCLA Henry Samueli School of Engineering and Applied Science researchers developing technology to stimulate and record the activity of single neurons and of small neuronal populations. Electrical Engineering Professor Ali Sayed will work on signal processing and related aspects of the technology. DARPA will provide $4.5 million over four years for the UCLA Engineering effort, contingent on researchers meeting a series of technical milestones.

UCLA partners include the Lawrence Livermore National Laboratory and Stanford University.

Memory is the process by which neurons in certain brain regions encode, store and retrieve information. Various illnesses and injuries can disrupt this process, causing memory loss. Traumatic brain injury, which has affected more than 270,000 military members since 2000, as well as millions of civilians, is often associated with such memory deficits. Currently, no effective therapies exist to address the long-term effects of these injuries on memory.

This ambitious, first-if-its-kind project at UCLA builds on Fried's 2012 research demonstrating that human memory can be strengthened by stimulating the brain's entorhinal cortex, a region involved in learning, memory and Alzheimer's disease.

In a key part of the project, the research team will stimulate and record neuron activity in patients who already have brain electrodes implanted as part of epilepsy treatment. Researchers will use this information to develop computational models and determine how to intervene with electrical stimulation to help restore memory function. The models will be transformed into therapeutics using technology developed by Markovic‘s team.

Markovic said the goal is to create miniature wireless neural sensors that are far more sophisticated — much smaller and with much higher resolution — than those that exist today. The sensors will track and modulate neural activity with very precise spatial and temporal resolution, allowing the device to continuously update and modulate patterns of stimulation to optimize therapy and restore memory function.

“We are developing ultra–low-power electronics in order to measure activity of specific areas of the brain, perform neural signal analysis and wirelessly transmit that information to an outside device in close proximity to the implants,” Markovic said. “The implants and the outside device will talk to each other. The goals are to provide better therapy for people with neurological dysfunction and help those with epilepsy and brain injury to enhance and restore memory.”

During the second phase of the program, Fried, using a minimally invasive procedure, will implant the device in patients with traumatic brain injury as part of a groundbreaking clinical trial.

The DARPA initiative aimed at developing these implantable brain devices, Restoring Active Memory (RAM), supports President Obama's BRAIN initiative.


Re-posting from UCLA HSSEAS Newsroom

 

By Bill Kisliuk


News Item Prof. Rob Candler is Awarded a $1 Million Grant by the W. M. Keck Foundation

Robert CandlerAssistant Professor Robert Candler received a $1 million research grant from the W. M. Keck Foundation for his research entitled “Ultra-compact X-ray Free Electron Laser.” This is a 2-year endeavor which aims to produce a miniaturized free electron laser by combining novel nanofabrication techniques with cutting edge free electron laser physics, enabling access to new physical regimes of operation that are inherently more efficient. Partnering in this effort are Prof. Rob Candler from Electrical Engineering and the California NanoSystems Institute, Professor Pietro Musumeci from Physics, and Professor James Rosenzweig from Physics.

 

Currently there is only one x-ray laser device capable of producing high-speed and high-resolution imaging for use in chemistry, biology, material science and condensed matter physics, and it is only accessible from a billion dollar class national laboratory. The success of this study will lead to the creation of X-ray Free Electron Lasers (XFELS) that can fit in college laboratories and are capable of producing high brightness x-rays that generate ultrafast, high-resolution images in the x-ray water window. These miniature XFELS, will create a paradigm shift by making this tool for transformational science widely available to scientists.

 

The W. M. Keck Foundation funds distinct and novel research programs with promising and transformative impact that will advance technology and sciences for the preservation of life, access to innovative solutions and a better understanding of the world we live in.

Keck_Logo

 

 

 


News Item New Terahertz Modulator Could Lead to More Advanced Medical and Security Imaging

Mona JarrahiA UCLA Henry Samueli School of Engineering and Applied Science research team has developed a breakthrough broadband modulator that could eventually lead to more advanced medical and security imaging systems.

Modulators manipulate the intensity of electromagnetic waves. For example, modulators in cell phones convert radio waves into digital signals that the devices can use and understand. In terahertz-based communication and imaging systems, they modify the intensity of terahertz waves.

Today's technologies take advantage of many parts of the electromagnetic spectrum — notably light waves and radio waves — but they rarely operate in the terahertz band, which lies between infrared and microwave on the spectrum.

Led by Mona Jarrahi, UCLA associate professor of electrical engineering, the group developed a terahertz modulator that performs across a wide range of the terahertz band with very high efficiency and signal clarity. Among the device’s advantages are that it could easily be incorporated into existing integrated circuit manufacturing processes, can operate at room temperature and does not require an external light source to operate.

The terahertz band has been the subject of extensive research, in large part because of its potential for medical imaging and chemical sensing technologies. For example, terahertz waves could be used to examine human tissue for signs for disease without damaging cells or the other health risks posed by X-rays. They also could be used in security screenings to penetrate fabric or plastics that conceal weapons.

Current optical modulators that use naturally existing materials, such as silicon or liquid crystals, to manipulate the intensity of light waves have proven to be very inefficient in terahertz frequencies. And modulators based on artificial materials, so-called metamaterials, thus far have a limited use because they only operate in a narrow band of the terahertz range.

The new modulator is based on an innovative artificial metasurface — a type of surface with unique properties that is defined by the geometry of its individual building blocks, and their arrangement. The metasurface developed by Jarrahi's team is composed of an array of micro-electromechanical units that can be opened and closed using electric voltage. Opening or closing the metasurface encodes the incoming terahertz wave into a corresponding series of zeroes or ones, which are then transformed into images.

"Our new metasurface broadens the realm of metamaterials to broadband operation for the first time, and it diminishes many of the fundamental physical constraints in routing and manipulating terahertz waves, especially in terahertz imaging and spectroscopy systems," Jarrahi said. "Our device geometry can switch from an array of microscale metallic islands to an array of interconnected metallic loops, altering its electromagnetic properties from a transparent surface to a reflecting surface, which manipulates the intensity of terahertz waves passing through over a broad range of frequencies."

The research was published July 16 in the journal Nature Scientific Reports.

The study's lead authors are Mehmet Unlu and Mohammed Reza Hashemi, who were postdoctoral scholars in Jarrahi's group when she was a member of the faculty at the University of Michigan. Other authors are Christopher Berry and Shenglin Li, former students in Jarrahi's group, and Shang Hua Yang, a current UCLA graduate student.

The research was funded by the National Science Foundation's Sensor and Sensing Systems Division and an Army Research Office Young Investigator award.

Re-posting from UCLA HSSEAS Newsroom

Matthew Chin, July 16, 2014

 



News Item Prof. Villasenor Talks About Cryptocurrencies With LA Times

John D. Villasenor

Professor John Villasenor was interviewed by the LA Times' Patt Morrison on the subject of cryptocurrencies, including bitcoin. Read the full interview at
<http://www.latimes.com/opinion/op-ed/la-oe-morrison-villasenor-bitcoin-20140709-column.html#page=1>.


News Item Distinguished Prof. Yahya Rahmat-Samii Represents the U.S. at the URSI General Assembly

Yahya Rahmat-SamiiThe President of the National Academy of Sciences, Dr. Ralph Cicerone has approved the appointment of Prof. Rahmat-Samii to represent the US at the XXXI General Assembly of the International Union of Radio Science (URSI) to be held in Beijing, China from August 16-23, 2014.

Prof. Rahmat-Samii served as the elected President of the US National Committee of URSI from 2009-2011 and now serving as its Past President. URSI is one of the oldest scientific international organizations with membership from almost every country covering all aspects of radio science from radio astronomy to electromagnetics in biology and medicine. It has 10 commissions addressing various aspects of radio sciences (www.ursi.org). The URSI General Assembly and Scientific Symposium (GASS) is held once every three years.  Prof. Rahmat-Samii will also present three invited talks entitled, “From Maxwell’s Equations to Modern Antenna Marvels: From Tiniest Capsule Antennas to Largest Space Antennas”, “A Novel Approach for Testing Antennas with Internal Sources: Phaseless Near-Field Measurements”,  and “On-Body Antennas: Towards Wearable Intelligence”.URSI

 

 

 


News Item Prof. Asad Madni is Selected a 2014 Tau Beta Pi Distinguished Alumnus

Asad M. MadniDistinguished Adjunct Professor and Scientist Asad Madni has been named a Tau Beta Pi Distinguished Alumnus for 2014. The award recognizes alumni who have demonstrated outstanding adherence to the ideals of Tau Beta Pi and for fostering a spirit of liberal culture in our society on the local, national, and international scales. The award citation reads "Your achievements exemplify the diverse contributions that engineers make to society, and they demonstrate your breadth of interest, unselfish activity, and true spirit of integrity and excellence in engineering". The award will be presented during the 2014 Conference on October 2-4 in Spokane, Washington.

In his professional career, Prof. Madni has led the development and commercialization of intelligent sensors, systems and instrumentation, wireless sensor networks, signal processing, and MEMS with applications for automotive safety, aerospace, radar, electronic warfare, and US combat readiness.

Prof. Madni’s accomplishments have been recognized nationally and internationally with numerous honors and awards including prestigious medals and his election to the US National Academy of Engineering. TauBetaPi

 

 


News Item Ozcan Named Howard Hughes Medical Institute Professor

AydoganOzcanAydogan Ozcan, Chancellor’s Professor of electrical engineering and bioengineering at the UCLA Henry Samueli School of Engineering and Applied Science, has been named a 2014 Howard Hughes Medical Institute Professor, recognized for his breakthrough research and innovative approach to undergraduate education, HHMI announced Monday.

Ozcan is one of 15 researchers from around the country named a 2014 HHMI Professor. Awardees receive a $1 million grant to be used over five years to pursue high-impact, interdisciplinary research and effectively integrate their work with creative approaches to undergraduate education.

Ozcan, who is also associate director of the California NanoSystems Institute, develops cost-effective and field-portable photonics tools for microscopy, sensing and diagnosis. Devices invented in his lab – including lightweight smartphone attachments to detect the presence of mercury in water, malaria in blood cells and allergens in food – are designed for point-of-care use and are adaptable to rural and resource-poor areas.

His previous honors include winning the National Science Foundation CAREER Award in 2010 and the Presidential Early Career Award for Scientists and Engineers (PECASE) in 2011.
Using the HHMI grant, Ozcan intends to launch a program in which undergraduate researchers will form interdisciplinary teams annually to design, build and test novel technologies for telemedicine and global health applications.

In addition to Ozcan, Tracy L. Johnson, Maria Rowena Ross Chair in Cell Biology and Biochemistry and associate professor in the Department of Molecular, Cell and Developmental Biology, was named a 2014 Howard Hughes Medical Institute Professor.

Johnson and Ozcan bring to five the number of UCLA professors who have been named HHMI professors since the program started in 2002.
“Exceptional teachers have a lasting impact on students,” said HHMI President Robert Tjian. “These scientists are at the top of their respective fields and they bring the same creativity and rigor to science education that they bring to their research.”

Headquartered in Chevy Chase, Md., HHMI seeks to transform science education in the United States by encouraging hands-on, research-oriented and interdisciplinary instruction. Over the years, the organization has awarded more than $935 million to 274 colleges and universities in the United States.

Re-posting from HSSEAS Newsroom.

Official Announcement from HHMI: HHMI News
HHMILogo


News Item Prof. Huffaker Becomes an IEEE Distinguished Lecturer

Diana HuffakerProfessor Diana Huffaker has been selected by IEEE as a Distinguished Lecturer for year 2015 in the area of photonic devices. As a Distinguished Lecturer, Prof. Huffaker will help lead the Photonics Society in technical developments that will shape the global community through lecture and networking at various society and technical council meetings.

Professor Huffaker’s research interests lie in the broad study of directed and self-assembled nanostructure solid-state epitaxy, optoelectronic devices including solar cells and III-V/Si photonics. She is the director of the Integrated NanoMaterials Core Lab in the California NanoSystems Institute which explores "bottom-up" approach and novel devices architecture using nanomaterial and organic/inorganic interfaces to realize new device functionality.IEEEPhotonics

 

 

 


News Item Prof. Jarrahi was Selected for the 2014 URSI Booker Fellowship

Mona JarrahiUnited States National Committee of the International Union of Radio Science (USNC/URSI) has selected Associate Professor Mona Jarrahi for the 2014 Booker Fellowship for her achievements in the area of Terahertz Optoelectronics and Microwave Photonics. This award is presented by the USNC every three years at the URSI general assembly, bestowed upon an outstanding American researcher in the early years of his/her career, who has made outstanding contributions to radio science.

Professor Jarrahi specializes in the field of ultrafast electronic and optoelectronic devices and integrated systems for terahertz/millimeter-wave sensing, imaging, computing, and communication systems by utilizing novel materials, nanostructures, quantum well structures, electromechanical structures, as well as innovative nano-plasmonic and optical concepts.

The URSI is an international professional society responsible for stimulating the communication and scientific exchange advancing the study in the vast fields of radio science including aspects of electromagnetic fields and waves. URSI

 

 

 


News Item Prof. Alan Willson Received the 2014 HKN Distinguished Service Award

Alan N. Willson, Jr.On May 27, the Iota Gamma Chapter of Eta Kappa Nu at UCLA held a banquet to commemorate the 30th anniversary of the founding of the chapter in 1984. 
The 2014 HKN Distinguished Service Award was presented to Prof. Alan Willson, founding faculty advisor for the Iota Gamma Chapter, and member of Eta Kappa Nu for 55 years.  Prof. Willson is a Distinguished Professor Emeritus, Research Professor, and Charles P. Reames Chair in Electrical Engineering at UCLA.  The award was presented to Prof. Willson by Prof. S.K. Ramesh, Dean, College of Engineering and Computer Science, California State University, and member of the IEEE-HKN Board of Directors.

In addition, the chapter was recognized for it's eighth Outstanding Chapter Award in a row for 2012-2013.  Tammy Chang was also recognized as the recipient of the 2014 Alton B. Zerby and Carl T. Koerner Outstanding Student Award.

Several current officers summarized the accomplishments of the past year, including the successful Emerge Fair, the initiation of a record 70 new members, and a significant increase in company infosessions, software workshops, and social events.

Approximately 50 students, faculty, alumni, and other dignitaries were in attendance to celebrate this important milestone.  The list includes, Prof. Frank Chang, Chair of the Electrical Engineering Department, Prof. Emeritus C.R. Viswanathan, Chair of the Department in 1984, Distinguished Prof. Asad Madni, Prof. Benjamin Williams, current faculty advisor for the chapter, Prof. Mike Briggs, faculty advisor for the UCLA IEEE branch, and Dr. William Goodin, Alumni Advisor for HKN. Incoming president, Andy Shih served as the Master of Ceremonies, and Eric Wong, outgoing IVP, organized the event.

 

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News Item EE Professors Named Highly Cited Researcher by Thomson Reuters

TR Highly Cited

Three Electrical Engineering faculty members, Professors Tastuo ItohAli H. Sayed, and Stanley Osher, have been recognized by Thomson Reuters as Highly Cited Researchers in their recently released listing. According to the ranking methodology, researchers in the list are internationally renowned experts who have published influential articles that are ranked among the top 1 percent of the most cited works in their fields. The study assessed papers indexed during an 11-year period between 2002 and 2012. Professors Itoh and Sayed belong to the Engineering area of study while Professor Osher is categorized under Mathematics and Computer Science.

Prof. Itoh is a Distinguished Professor and Northrop Grumman Chair in Electrical Engineering.  His research is in the areas of Microwave and millimeter wave electronics, guided wave structures, low power wireless electronics, integrated passive components and antennas. He ranks #1 author based on Microsoft’s Academic Search in the area of Electrical and Electronic Engineering for all years around the world with 10,261 citations.

Prof. Sayed is Professor and Past Chairman of Electrical Engineering and heads the UCLA Adaptive Systems Laboratory. He is recognized internationally for his contributions to the broad area of statistical signal processing. His research involves several fields of inquiry including adaptation and learning, network science, information processing theories, and biologically-inspired designs. His research work has been recognized with several awards in recent years.

Prof. Osher is a Distinguished Professor in the Mathematics department with a joint appointment in the Electrical Engineering department. His research spans the areas of  innovative numerical methods to solve partial differential equations, especially those whose solutions have steep gradients, analysis of these algorithms, and the underlying P.D.E.'s and applications to various areas of engineering, physics and image processing.

Thomson Reuters

 

 


News Item Prof. Ozcan, an Invited Participant at the NAE Japan-American Frontiers of Engineering Symposium

AydoganOzcanChancellor’s Professor Aydogan Ozcan was an invited participant of the National Academy of Engineering (NAE) Japan-America Frontiers of Engineering Symposium that took place in Tokyo, Japan between June 9 and 11, 2014.

The symposium was a gathering of 60 outstanding engineers under the age of 45 who are transforming engineering technology in the areas of: Field Robotics for Disaster Response, Power Unplugged: Energy Harvesting and Power Transmission, Noise Control Engineering in Healthcare Environments, and Bioimaging. The symposium incites transpacific collaboration among world-class engineers for the advancement of their study.

In 2012, Prof. Ozcan received the National Academy of Engineering, The Grainger Foundation Frontiers of Engineering Award. He has been a Frontier member since 2011.FOE_US

 

 

 

 


News Item Cejo Lonappan Received the 2014 IEEE Instrumentation and Measurement Society Graduate Fellowship Award

Lonappan_CejoCejo Konuparamban Lonappan doctoral student in Prof. Bahram Jalali's lab has been awarded the prestigious 2014 IEEE Instrumentation and Measurement Society Graduate Fellowship Award for $10,000. He will be conducting research on "Time Stretch Based Real-time Instruments for High Bandwidth Signal Characterization" under his co-advisors Prof. Jalali and Prof. Asad M. Madni (who also served as his nominator).IEEE_Instrumentation

 

 

 

 

 


News Item Distinguished Prof. Yahya Rahmat-Samii Paper Appeared on the Cover Page of an IEEE Magazine

Yahya Rahmat-SamiiDistinguished Professor Yahya Rahmat-Samii’s paper entitled, “Advances in Antenna Designs for UHF RFID Tags Mountable on Conductive Items”, appeared on the cover page of the IEEE Antennas and Propagation Society Magazine, Vol. 56, PP. 79-103, February 2014.  This work was conducted in collaboration with Prof. Rahmat-Samii’s colleagues at Tamere University of Technology, Finland. Passive radio-frequency identification (RFID) technology provides the means for wireless automatic identification of assets equipped with maintenance-free and remotely addressable tags utilizing the modulation of the antenna scattering for energy efficient data transfer. Design of antennas for metal mountable radio-frequency identification tags is driven by a unique set of challenges: cheap, small, low-profile and conformal structures that need to provide reliable operation when tags are mounted on conductive platforms of various shapes and sizes. The article reviews and summarizes the state-of-the-art progress and presents future prospects.

IEEE

 

 

 

 

 


News Item Distinguished Adjunct Prof. Asad Madni has been Conferred Honorary Professorship at Technical University of Crete

Asad M. MadniThe Technical University of Crete in Chania, Greece has conferred upon Distinguished Adjunct Professor Asad Madni its first Honorary Professorship in recognition of his outstanding contributions to engineering science and practice. Prof. Madni’s research and expertise span the areas of intelligent sensors and systems, RF and microwave instrumentation, wireless sensor networks, and signal processing with applications in the automotive industry, space exploration and defense.

Prof. Madni will be advising TUC through collaborative programs, lectures and consultation essential for the advancement of their engineering program.  Recently, in 2012, Prof. Madni received an honorary Doctor of Engineering degree from the Technical University of Crete in recognition for his outstanding achievements in science and engineering.

 

 

 


News Item Grad Students Hansueng Lee and Michael Wu Win Awards at 2014 IEEE Int’l. Microwave Symposium

Lee WuAt the 2014 IEEE International Microwave Symposium, grad students under the mentorship of Professor Tatsuo Itoh caught the attention of the microwave community. Hanseung Lee was a Student Paper Competition Finalist for the paper entitled, “A Circularly Polarized Single Radiator Leaky-Wave Antenna based on CRLH-Inspired Substrate Integrated Waveguide.”  While, Chung-Tse Michael Wu won the second place in the Student Design Competition for X-band Low Phase Noise Oscillator.

 The 2014 IEEE International Microwave Symposium was held in Tampa Bay, Florida from June 1 to June 6, 2014. 

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News Item 2013-2014 Electrical Engineering Outstanding Student Awards

ZhaoTiancheng

Outstanding Bachelor of Science Degree
Tiancheng Zhao





XiaJingtao

Christina Huang Memorial Prize
Jingtao Xia





YaoZhi_new

Outstanding Master's Research in Physical & Wave Electronics
Zhi Yao
Advisor:  Ethan Wang





GottschoMark

Outstanding Master's Research in Circuits & Embedded Systems
Mark Gottscho
Advisor:  Puneet Gupta





ArsikereHarish

Outstanding PhD Dissertation in Signals & Systems
Harish Arsikere
“On the Role of Subglottal Acoustics in Height Estimation, and Speech and Speaker Recognition”
Advisor:  Abeer Alwan


DensmoreArthur

Outstanding PhD Dissertation in Physical & Wave Electronics
Arthur Densmore
“Algorithms for Rapid Characterization and Optimization of Aperture and Reflector Antennas”
Advisor:  Yahya Rahmat-Samii


YuanFangLi Outstanding PhD Dissertation in Circuits & Embedded Systems
Fang-Li Yuan
“Energy-Efficient VLSI Architectures for Next-Generation Software-Defined and Cognitive Radios”
Advisor:  Dejan Markovic




Henry Samueli Outstanding Teaching Awards

Mostafa Majidpour Lecture Course: Mostafa Majidpour





Arthur Densmore Laboratory Course: Arthur Densmore





Richard Dorrance Graduate Course: Richard Dorrance





 

Photographs by Mandy Smith

 


News Item Dr. Mohammad Asghari is a Recipient of the 2014 Chancellor’s Postdoctoral Scholar Award

2014 Postdoc Award

 

 

 

 

 

 

 

 

 

 

 

Dr. Mohammad Asghari from Professor Bahram Jalali’s Laboratory has won the 2014 Chancellor’s Postdoctoral Scholar Award. Dr. Asghari was recognized for “Development of a categorically new approach to data compression and one that outperforms Standards such as JPEG and JPEG 2000, as well as the first demonstration of optical real-time data compression.”  With the quantity of data growing exponentially, new approaches to data compression are urgently needed. UCLA’s new compression technology is a new and powerful solution to the big data problem.

Dr. Asghari received his Ph.D. in Electrical Engineering from INRS-University of Quebec in Canada.  In 2011, he joined Prof. Jalali’s research team at UCLA and since has been making his mark in the fields of photonics, signal processing and data sciences. 

Dr. Qingshan Wei received an Honorable Mention award for his research in developing the first mobile phone fluorescence microscope that can detect single viruses and be capable of measuring ionic mercury levels in water samples with detection limit of ~3.5ppb.  His research is a first step in bringing nanotechnology and biomedical testing to the field settings.

Dr. Wei received his PhD degree in Chemistry from Purdue University and is currently a postdoctoral scholar in the Electrical Engineering and Bioengineering Departments under the mentorship of Professor Aydogan Ozcan.

 


News Item Professor John Villasenor Provides Congressional Testimony Regarding Digital Media Distribution

John D. VillasenorOver the last fifteen years, there have been fundamental shifts in how consumers access media. Internet-based distribution is now the norm, and content providers are increasingly shifting to license-based models in which consumers are licensees as opposed to owners of copies of digital books, songs, and movies. This raises important questions regarding the role of copyright law in the digital media ecosystem.

On June 2, the House Judiciary Committee convened a hearing to consider some of these questions. Professor John Villasenor was asked to be a witness at the hearing, and provided testimony on how potential changes to copyright law would impact the media distribution landscape. His testimony also addressed the growing role of contract law in governing the permitted and prohibited uses of the books, songs, and movies obtained over the Internet.

 

 


News Item PhD student Juan G. Alzate received the 2014 Intermag Best Student Presentation Award

Wang_Alzate_Khalili

PhD student Juan G. Alzate, advised by Prof. Kang Wang and Prof. Pedram Khalili, received the Best Student Presentation Award from the IEEE International Magnetics Conference (Intermag 2014), celebrated in Dresden, Germany from May 4th to 8th 2014 for their paper entitled "Voltage-Induced Dynamics in Nanoscale Magnetic Tunnel Junctions: Higher-order Anisotropy Contributions to Ferromagnetic Resonance and Switching." The paper is co-authored by Pramey Upadhyaya, Dr. Sergiy Cherepov, Dr. Jian Zhu, Dr. Jordan Katine, Dr. Juergen Langer, Dr. Berthold Ocker and Prof. Ilya N. Krivorotov.  The recognition is equivalent to a Best Paper Award.

 

 


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