along with an ultra-sensitive pulse detector to capture the speed of conversion to electrical energy. When this arrangement was fired up and tested
when the company announced the development of a new 35 mm full-frame CMOS sensor specifically for filming in poorly lit environments.
This sensor has now found its way into a cubed-shaped 4 x 4. 5 x 4. 4 in (10.2 x 11.4 x 11.2 cm) body that weighs approximately 2. 4 lb
The sensor's pixels measure 19 microns, which is more than five times larger than those generally found in high-end DSLRS and amounts to a modest 2. 26 megapixels.
These include sensors that aren't as accurate in determining the location and status of themselves and things around them as they could be,
That because VTT Technical Research Centre of Finland has developed a miniature phone-compatible sensor, that uses light to identify the type and amount of gases in air samples.
The sensor is scaled a-down version of a Fabry-Pérot interferometer. As such, it works by shining light of various wavelengths through an air sample.
San diego are also all working on smartphone gas sensors s
#Aluminum"yolk"nanoparticles deliver high-capacity battery recipe Researchers at MIT and Tsinghua University in China have found a way to more than triple the capacity of the anodes,
and SLAC, contains 189 sensors, has a resolution equivalent to 800,000 eight-megapixel cameras, and includes a filter-changing mechanism and shutter for viewing different wavelengths from the near-ultraviolet to the near-infrared.
or even ingestible wireless sensors, generally requires that each of these transmit to a receiver using Bluetooth.
Torque sensors integrated into the device are able to detect when pressure is being applied to the prosthesis,
a sensor pad attached to the person can continue to capture and record subsequent images which a medical professional can then download
uses a touchscreen and helmet-mounted interface to visualize data collected from a host of sensors on the hull of the vehicle,
#Boron-doped graphene to enable ultrasensitive gas sensors As an atom-thick, two-dimensional material with high conductivity,
including particularly sensitive sensors for the detection of various gases, such as those produced by explosives.
and may eventually lead to detectors with such sensitivity that they could detect infinitesimally tiny amounts of gas in the order of parts per quadrillion.
the researchers created sensors that are able to detect gas molecules at exceptionally low concentrations;
where they were compared then with known highly sensitive gas sensors. At the same time, the Novoselov lab at the University of Manchester, UK (where graphene was synthesized first
examined the electron transport function of the sensors, whilst contributing researchers in the US and Belgium established that boron atoms were melded into the graphene lattice
"This multidisciplinary research paves a new avenue for further exploration of ultrasensitive gas sensors, "says Dr. Avetik Harutyunyan,
Chief Scientist and project leader of Honda Research Institute USA Inc."Our approach combines novel nanomaterials with continuous UV light radiation in the sensor designs that have been developed in our laboratory by lead researcher
which is up to six orders of magnitude better sensitivity than current state-of-the-art sensors.""Suggested uses for these new types of sensors include safety alerts for workers in laboratories or commercial enterprises that use ammonia,
where leaks and spills are not only highly-corrosive but hazardous to health, or the detection of NOX leaks in automotive or industrial areas where exhaust fumes from engines containing the gas can prove lethal in confined spaces.
#New Experiment Confirms Fundamental Symmetry In Nature With the help of the Large hadron collider (LHC) heavy ion detector ALICE (A large Ion Collider Experiment),
The team measured both the curvature of particle tracks within the detector magnetic field and the particlesflight time in order to calculate the mass-to-charge ratios.
After measuring both the curvature of particle tracks in the detector's magnetic field and the particles'time of flight
or even in sensors that measure magnetic fields. We could even see it used in future computer technology t
#Flexible wearable sensor enables 24-hour blood flow monitoring The best medical devices for measuring blood flow today require the patient to first show up at a clinic or hospital,
But an experimental sensor that clings to skin like a temporary tattoo could enable 24-hour monitoring of blood flow wherever a patient goes.
A wearable sensor could mean the difference between taking what is essentially a snapshot of a patient health
This attraction prevents any motion between the sensor and skin that could affect the accuracy of readings.
what we were trying to do was remove the relative motion between the body and detector system,
Most of the sensor bulk comes from a 40-micrometer-thick layer of silicone. Each of the other layers has a thickness of just tens or hundreds of nanometers.
Two rings of sensors around the actuator detect the temperature differences in the heat patterns with a precision within 0. 01 degrees Celsius.
Such flexible sensors could also be placed on internal organs, surgical tools, or implantable devices. For now, Webb and his colleagues continue to refine the heat-mapping blood flow device with the goal of making it smaller.
A firm called Equivital makes a chest-mounted wearable sensor that measures heart rate, stress, breathing, skin temperature and body position.
They show a slightly bigger phone that contains a sensor for Apple Force Touch technology
Apple Force Touch powered by the small sensor that can be seen in the centre of the display allows the phone to tell how hard its screen is being pressed
and built-in sensors collect information about users to create an environment, customized for the current needs of man.
In the future, Shimizu said the technology could possibly be used to install electric circuits with sensors on wallpaper to create a smart home in
The fabrics were three times as sensitive to nitrogen dioxide in air compared to another reduced graphene oxide sensor previously prepared on a flat material.
"This sensor can bring a significant change to our daily life since it was developed with flexible and widely used fibers,
unlike the gas sensors invariably developed with the existing solid substrates, "says Hyung-Kun Lee,
The device was designed as an inverse of a traditional Shack-Hartmann wavefront sensor machine, which shines a laser into the patient eye
and measures the refracted light with a photon sensor to find optical aberrations that affect eyesight.
Essentially, Netra replaces the expensive sensor with a smartphone display. Because the red and green light goes through different parts of the eye,
The robotic exoskeleton's sensors and motors are programmed to detect how much"help"a patient is capable of giving,
the Ekso's sensors and motors adjust, and provide less stepping power. Challenged to do more,
or used complex arrays of coils paired with sensors to locate the mice and deliver power."
the team has built a variety of sensor wafers that can detect everything from infrared light to particular chemicals in the environment.
In addition, they are"currently considering placing sensors on the cloak, such that the cloak can sense the temperature of the environment
The new distance record was set using advanced single-photon detectors made of superconducting wires of molybdenum silicide that were about 150 nanometers
"We never could have done this experiment without these new detectors, which can measure this incredibly weak signal."
"The detectors used in this new experiment could record more than 80 percent of arriving photons, according to the scientists.
In comparison, the previous record-holder had operated detectors that with about 75 percent efficiency at best. Moreover, the new experiment detected 10 times fewer stray photons than the previous record-holder.
The researchers now plan to develop even better single-photon detectors to push distances for quantum teleportation even farther,
For example, sophisticated technologies (such as environmental sensors or communications tools) are used often on battlefields and then are left behind, where they can be scooped up by people who aren't authorized to use them,
Equipped with stereoscopic cameras for depth perception, five thrusters for stability, GPS and pitch-and-roll sensors,
The original mass sensor consists of a fluid-filled microchannel etched in a tiny silicon cantilever that vibrates inside a vacuum cavity.
way to improve methods for detecting polluting emissions using a sensor at the nanoscale. The paper was published in Nanotechnology.
The sensor was tested in conditions similar to ambient air since future devices developed from this method will need to operate in these conditions.
The next step is to detect different gases at the same time by using multiple sensor devices, with each device utilizing a different type of nanoparticle.
nanowire gas sensors will be cheaper and potentially easier to mass produce. The main energy cost in operating this kind of a sensor will be the high temperatures necessary to facilitate the chemical reactions for ensuring certain electrical response.
In this study 350 degree centigrade was used. However, different nanowire-nanoparticle material configurations are currently being investigated in order to lower the operating temperature of this system."
way to improve methods for detecting polluting emissions using a sensor at the nanoscale. The paper was published in Nanotechnology.
The sensor was tested in conditions similar to ambient air since future devices developed from this method will need to operate in these conditions.
The next step is to detect different gases at the same time by using multiple sensor devices, with each device utilizing a different type of nanoparticle.
nanowire gas sensors will be cheaper and potentially easier to mass produce. The main energy cost in operating this kind of a sensor will be the high temperatures necessary to facilitate the chemical reactions for ensuring certain electrical response.
In this study 350 degree centigrade was used. However, different nanowire-nanoparticle material configurations are currently being investigated in order to lower the operating temperature of this system."
The finding demonstrates that the stress of crystal deformation can impart a newfound degree of control over magnetic and electrical behavior in spintronic devices and sensors.
such as sensors that detect specific chemical and biological species and photonic devices that manipulate light.
#Butterfly wings help break the status quo in gas sensing The unique properties found in the stunning iridescent wings of a tropical blue butterfly could hold the key to developing new highly selective gas detection sensors.
has replicated the surface chemistry found in the iridescent scales of the Morpho butterfly to create an innovative gas sensor.
The ground-breaking findings could help inspire new designs for sensors that could be used in a range of sectors,
The research, published in the highly respected scientific journal, Nature Communications on September 1st, describes how the composition of gases in different environments can be detected by measuring small colour changes of the innovative bio-inspired sensor.
which we can advance sensor and detector technology rapidly. Tiny treelike nanostructures in the scales of Morpho wings are known to be responsible for the butterfly brilliant iridescence.
This selective response to vapour molecules is the key to this bio-inspired gas sensor.
and Air force Research Laboratory, produced these new kind of colorimetric sensors that favourably compete with conventional gas sensor arrays in simplicity, stability,
At present, reliable and cost-effective sensors for detection of small but meaningful gas leaks in a multitude of industrial processes remain an unmet environmental, health,
The research team believe this highly selective colorimetric sensor could represent a significant advancement in gas leak detection performance in the future.
and fabricated a new kind of gas sensor based on these principles. hese new sensors not only selectively detect separate gases
Our next goal is to make these sensors in a cost-effective manner to offer new attractive sensing solutions in the marketplace.
ur research into these bio-inspired sensors demonstrates the huge value in applying the scientific learnings from the biological world to develop technologies for real world applications. d
The paper is titled"Highly sensitive and selective sensor chips with graphene oxide linking layer"."Valentyn Volkov is the co-lead author, a visiting professor from the University of Southern Denmark.
These sensors can detect biomolecule adsorption even at a few trillionth of a gram per millimeter square.
Nevertheless, the most distinctive feature of such sensors is an ability to isualizemolecular interactions in real time.
With SPR sensors we just need to estimate the interaction between the drug and targets on the sensing surface,
Most commercial SPR sensor chips comprise a thin glass plate covered by gold layer with thiol
and patented a novel type of SPR sensor chips with the linking layer, made of GO, a material with more attractive optical and chemical properties than pristine graphene.
An important advantage of the new GO based sensor chips is their simplicity and low-cost fabrication compared to sensor chips that are already commercially available. ur invention will help in drug development against viral and cancer diseases.
We are expecting that pharmaceutical industry will express a strong demand for our technology Stebunov said. he sensor can also find applications in food quality control, toxin screening,
the sensor can significantly shorten a time for a clinical diagnostic, researcher added. However, the developed chip should go through a clinical trial for medical applications
#Crucial hurdle overcome in quantum computing: quantum logic gate in silicon built for the first time A team of Australian engineers has built a quantum logic gate in silicon for the first time,
The sensor does need not to be activated chemically and is rapid-acting within five minutes-enabling the targeted antibodies to be detected easily, even in complex clinical samples such as blood serum."
It is the first time that a single detector has been able to monitor the spectral range from visible light to infrared radiation and right through to terahertz radiation.
The HZDR scientists are already using the new graphene detector for the exact synchronization of laser systems.
and there it is the new graphene detector. Like no other single detector system which has gone before,
this comparatively simple and inexpensive construct can cover the enormous spectral range from visible light all the way to terahertz radiation."
had developed the precursor to the graphene detector. In his present position as a postdoc at the University of Maryland
These"hot electrons"increase the electrical resistance of the detector and generate rapid electric signals. The detector can register incident light in just 40 picoseconds these are billionths of a second.
Wide spectral range achieved through silicon carbide substratethe choice of substrate has now proved a pivotal step in improving the little light trap."
This optical universal detector is already being used at the HZDR for the exact synchronization of the two free-electron lasers at the ELBE Center for High-power Radiation Sources with other lasers.
So the scientists are using the graphene detector like a stopwatch. It tells them when the laser pulses reach their goal,
and the large bandwidth helps to prevent a change of detector from being a potential source of error.
obviating the need for the expensive and time-consuming nitrogen or helium cooling processes with other detectors.
The external antenna on the detector captures long-wave infrared and terahertz radiation and funnels it to a graphene flake
It is the first time that a single detector has been able to monitor the spectral range from visible light to infrared radiation and right through to terahertz radiation.
The HZDR scientists are already using the new graphene detector for the exact synchronization of laser systems.
and there it is the new graphene detector. Like no other single detector system which has gone before,
this comparatively simple and inexpensive construct can cover the enormous spectral range from visible light all the way to terahertz radiation."
had developed the precursor to the graphene detector. In his present position as a postdoc at the University of Maryland
These"hot electrons"increase the electrical resistance of the detector and generate rapid electric signals. The detector can register incident light in just 40 picoseconds these are billionths of a second.
Wide spectral range achieved through silicon carbide substrate The choice of substrate has now proved a pivotal step in improving the little light trap."
This optical universal detector is already being used at the HZDR for the exact synchronization of the two free-electron lasers at the ELBE Center for High-power Radiation Sources with other lasers.
So the scientists are using the graphene detector like a stopwatch. It tells them when the laser pulses reach their goal,
and the large bandwidth helps to prevent a change of detector from being a potential source of error.
obviating the need for the expensive and time-consuming nitrogen or helium cooling processes with other detectors c
night-vision goggles and smoke detectors to surveillance systems and satellites-that rely on electronic light sensors. Integrated into a digital camera lens, for example, it could reduce bulkiness and boost both the acquisition speed and quality of video or still photos.
night-vision goggles and smoke detectors to surveillance systems and satellites-that rely on electronic light sensors. Integrated into a digital camera lens, for example, it could reduce bulkiness and boost both the acquisition speed and quality of video or still photos.
After repeated rounds of screening, the researchers used one of the most promising candidates to create a magnetic sensor consisting of enhanced ferritin modified with a protein tag that binds with another protein called streptavidin.
Such sensors could also be used to monitor the effectiveness of stem cell therapies, Jasanoff says. s stem cell therapies are developed,
The researchers are now working on adapting the magnetic sensors to work in mammalian cells. They are also trying to make the engineered ferritin even more strongly magnetic e
Potential applications for the nanotweezer include improved-sensitivity nanoscale sensors and the study of synthetic and natural nanoobjects including viruses and proteins;
Other potential applications include goggles, periscopes, optical instruments, photodetectors and sensors. In addition, the superhydrophobic property can be effective at preventing ice
thanks to diamond nanocrystals used as temperature sensors Abstract: Precise targeting biological molecules, such as cancer cells,
The novelty of this study is that it shows that it is possible to use diamond nanocrystals as hypersensitive temperature sensors with a high spatial resolution-ranging from 10 to 100 nanometers-to monitor the amount of heat delivered to cancer cells s
such as sensors that detect specific chemical and biological species and photonic devices that manipulate light.
wearable electronics and sensors for monitoring airman health/performance; conformal electronics and antennas for maximizing space efficiency and reducing aerodynamic drag;
the sensor is very sensitive to changes in electromagnetic fields that are dispersed with different tissues (normal and tumor.
The role of nanosensor between body surface and the detector is to strengthen the signal and taking samples through plasmonic effects of nanoparticles.
and find their way onto a detector, creating a diffraction pattern. By analyzing that pattern,
the detector must be placed close to the target material--similar to placing a specimen close to a microscope to boost the magnification.
hardly any photons will bounce off the target at large enough angles to reach the detector.
(or traffic) at the surface of a sensor, which drastically reduced the signal of our tests,
Using a distant detector on the other side of the sample, the researchers recorded the sample's high-resolution hologram,
"We are trying to add more types of sensors including blood pressure and oxygen saturation monitors to the low-cost patch."
Stretch Med is developing human electrophysiological sensors for clinical use, drawing on some of the patent-pending technologies described in this release e
This way they generate an interference pattern at the detector from which an atomic 3d-structure of the examined substance is reconstructed.
and sensors that can detect otherwise imperceptible defects in buildings, bridges, and aircraft.""This is the first time anybody has made a flexible chameleon-like skin that can change color simply by flexing it,
More day-to-day applications could include sensors that would change color to indicate that structural fatigue was stressing critical components on bridges, buildings,
to be published Monday, March 16, in the journal Current Biology, showcases the potential of wireless sensors in biological research.
and thermal sensors for applications in search -and-rescue missions. With this technology, we could safely explore areas not accessible before,
Once successfully implemented, the technology could allow for highly accurate motion sensors that could detect the slightest tremor,
And the system does need not sensors. The material from which wires are made has sensor properties.
The controller unit is able to interpret electric resistance measurement data so that it knows the exact position of the wires at any one time,
and exploiting the sensor properties of SMA wire e
#Switchable adhesion principle enables damage-free handling of sensitive devices even in vacuum Components with highly sensitive surfaces are used in automotive, semiconductor and display technologies as well as for complex optical lens systems.
UIC researchers created an electromechanical device--a humidity sensor--on a bacterial spore. They call it NERD, for Nano-Electro-Robotic Device.
than a sensor made with the most advanced man-made water-absorbing polymers. There was also better sensitivity in extreme low-pressure, low-humidity situations."
Currently available sensors increase in sensitivity as humidity rises, Berry said. NERD's sensitivity is actually higher at low humidity."
We've made the sensor on the surface of these spores, with the spore a very active complement to this device.
#A quantum sensor for nanoscale electron transport The word defect doesnt usually have a good connotation--often indicating failure.
Graphic depiction of NV center sensors (red glowing spheres) used to probe electron motion in a conductor.
Here, each NV center is used as a sensor that can be thought of as switching between two states
1 and 0. The sensor can be calibrated in the presence of a constant magnetic field such that it is in state 1
. If the sensor experiences an oscillating magnetic field, the sensor switches to state 0. There is one more important component to this sensor--it can detect magnetic field strength as well.
For weak magnetic field fluctuations, the NV sensor will slowly decay to state 0; for stronger fluctuations, it will decay much faster from 1 to 0. By detecting different decay times,
physicists can precisely measure the fluctuating magnetic fields, which tells them about the electron behavior at a very small length scale.
Like any good sensor, the NV centers are almost completely non-invasivetheir read-out with laser light does not disturb the sample they are sensing.
#Extremely sensitive temperature sensor developed with plant nanobionic materials Humans have been inspired by nature since the beginning of time.
in order to develop an extremely sensitive temperature sensor they took a close look at temperature-sensitive plants. However, they did not mimic the properties of the plants;
The scientists were able to develop by far the most sensitive temperature sensor: an electronic module that changes its conductivity as a function of temperature."
"No other sensor can respond to such small temperature fluctuations with such large changes in conductivity.
Our sensor reacts with a responsivity at least 100 times higher compared to the best existing sensors,
In doing so, plants are better than any man-made sensor so far. Di Giacomo experimented with tobacco cells in a cell culture."
the cyberwood sensor can identify warm bodies even at distance; for example, a hand approaching the sensor from a distance of a few dozen centimetres.
The sensor's conductivity depends directly on the hand's distance from the sensor. According to the scientists, cyberwood could be used in a wide range of applications;
for instance, in the development of a'touchless touchscreen'that reacts to gestures, with the gestures recorded by multiple sensors.
Equally conceivable might be heat-sensitive cameras or night-vision devices. Thickening agent pectin in a starring role The ETH scientists, together with a collaborator at the University of Salerno, Italy,
The scientists submitted a patent application for their sensor. In ongoing work, they are now further developing it such that it functions without plant cells, essentially with only pectin and ions.
Their goal is to create a flexible, transparent and even biocompatible sensor with the same ultrahigh temperature sensitivity.
Such a sensor could be moulded into arbitrary shapes and produced at extremely low cost. This will open the door to new applications for thermal sensors in biomedical devices
consumer products and low cost thermal cameras s
#Soft, energy-efficient robotic wings Dielectric elastomers are novel materials for making actuators or motors with soft and lightweight properties that can undergo large active deformations with high-energy conversion efficiencies.
#Micro-magnetometer Nanowerk News) MIT researchers have developed a new, ultrasensitive magnetic-field detector that is 1, 000 times more energy-efficient than its predecessors.
Magnetic-field detectors, or magnetometers, are used already for all those applications. But existing technologies have drawbacks:
such as ultra-sensitive photo detectors to image distant stars, or flexible memory elements which could be used in wearable computers s
However, the measurements based on a single f transition may be affected much by the variation of the sensor concentration and the drift of the optoelectronic systems
namely, the excitation sources and detectors. Recently, authors reported self-reference nanothermometers based on the intensity ratio of two f transitions that overcome the drawbacks of temperature determination with a single transition.
portable sensor that can detect gases emitted by rotting meat, allowing consumers to determine whether the meat in their grocery store or refrigerator is safe to eat.
The sensor, which consists of chemically modified carbon nanotubes, could be deployed in"smart packaging"that would offer much more accurate safety information than the expiration date on the package,
who is the senior author of a paper describing the new sensor this week in the journal Angewandte Chemie("Single-Walled carbon nanotube/Metalloporphyrin Composites for the Chemiresistive Detection of Amines and Meat Spoilage").
The sensor is similar to other carbon nanotube devices that Swager's lab has developed in recent years,
For this sensor, the researchers used a metalloporphyrin with cobalt at its center. Metalloporphyrins are very good at binding to nitrogen-containing compounds called amines.
In this study, the researchers tested the sensor on four types of meat: pork, chicken, cod, and salmon.
There are other sensors that can detect the signs of decaying meat, but they are usually large and expensive instruments that require expertise to operate."
easiest-to-manufacture sensors, "Swager says. The new device also requires very little power and could be incorporated into a wireless platform Swager's lab recently developed that allows a regular smartphone to read output from carbon nanotube sensors such as this one.
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