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https://www.readbyqxmd.com/read/28297945/multifractality-in-individual-honeybee-behavior-hints-at-colony-specific-social-cascades-reanalysis-of-radio-frequency-identification-data-from-five-different-colonies
#1
Nicole S Carver, Damian G Kelty-Stephen
Honeybees (Apis mellifera) exhibit complex coordination and interaction across multiple behaviors such as swarming. This coordination among honeybees in the same colony is remarkably similar to the concept of informational cascades. The multifractal geometry of cascades suggests that multifractal measures of individual honeybee activity might carry signatures of these colony-wide coordinations. The present work reanalyzes time stamps of entrances to and exits from the hive captured by radio-frequency identification (RFID) sensors reading RFID tags on individual bees...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28295014/patl-a-rfid-tag-localization-based-on-phased-array-antenna
#2
Lanxin Qiu, Xiaoxuan Liang, Zhangqin Huang
In RFID systems, how to detect the position precisely is an important and challenging research topic. In this paper, we propose a range-free 2D tag localization method based on phased array antenna, called PATL. This method takes advantage of the adjustable radiation angle of the phased array antenna to scan the surveillance region in turns. By using the statistics of the tags' number in different antenna beam directions, a weighting algorithm is used to calculate the position of the tag. This method can be applied to real-time location of multiple targets without usage of any reference tags or additional readers...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28282909/individual-ranging-behaviour-patterns-in-commercial-free-range-layers-as-observed-through-rfid-tracking
#3
Hannah Larsen, Greg M Cronin, Sabine G Gebhardt-Henrich, Carolynn L Smith, Paul H Hemsworth, Jean-Loup Rault
In this exploratory study, we tracked free-range laying hens on two commercial flocks with Radio Frequency Identification (RFID) technology with the aim to examine individual hen variation in range use. Three distinct outdoor zones were identified at increasing distances from the shed; the veranda [0-2.4 m], close range [2.4-11.4 m], and far range [>11.4 m]. Hens' movements between these areas were tracked using radio frequency identification technology. Most of the hens in both flocks (68.6% in Flock A, and 82...
March 9, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28282850/fully-printed-flexible-single-chip-rfid-tag-with-light-detection-capabilities
#4
Aniello Falco, Jose F Salmerón, Florin C Loghin, Paolo Lugli, Almudena Rivadeneyra
A printed passive radiofrequency identification (RFID) tag in the ultra-high frequency band for light and temperature monitoring is presented. The whole tag has been manufactured by printing techniques on a flexible substrate. Antenna and interconnects are realized with silver nanoparticles via inkjet printing. A sprayed photodetector performs the light monitoring, whereas temperature measurement comes from an in-built sensor in the silicon RFID chip. One of the advantages of this system is the digital read-out and transmission of the sensors information on the RFID tag that ensures reliability...
March 8, 2017: Sensors
https://www.readbyqxmd.com/read/28269351/an-rf-based-wearable-sensor-system-for-indoor-tracking-to-facilitate-efficient-healthcare-management
#5
Yuzhe Ouyang, Kai Shan, Francis Minhthang Bui
To understand the utilization of clinical resources and improve the efficiency of healthcare, it is often necessary to accurately locate patients and doctors in a healthcare facility. However, existing tracking methods, such as GPS, Wi-Fi and RFID, have technological drawbacks or impose significant costs, thus limiting their applications in many clinical environments, especially those with indoor enclosures. This paper proposes a low-cost and flexible tracking system that is well suited for operating in an indoor environment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269349/an-inductive-narrow-pulse-rfid-telemetry-system-for-gastric-slow-waves-monitoring
#6
Amir Javan-Khoskholgh, Zaid Abukhalaf, Ji Li, Larry S Miller, Mehdi Kiani, Aydin Farajidavar
We present a passive data telemetry system for real-time monitoring of gastric electrical activity of a living subject. The system is composed of three subsystems: an implantable unit (IU), a wearable unit (WU), and a stationary unit (SU). Data communication between the IU and WU is based on a radio-frequency identification (RFID) link operating at 13.56 MHz. Since wireless power transmission and reverse data telemetry system share the same inductive interface, a load shift keying (LSK)-based differential pulse position (DPP) coding data communication with only 6...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28230583/evaluating-the-impact-of-radio-frequency-identification-retained-surgical-instruments-tracking-on-patient-safety-literature-review
#7
Kumiko O Schnock, Bonnie Biggs, Anne Fladger, David W Bates, Ronen Rozenblum
BACKGROUND: Retained surgical instruments (RSI) are one of the most serious preventable complications in operating room settings, potentially leading to profound adverse effects for patients, as well as costly legal and financial consequences for hospitals. Safety measures to eliminate RSIs have been widely adopted in the United States and abroad, but despite widespread efforts, medical errors with RSI have not been eliminated. OBJECTIVE: Through a systematic review of recent studies, we aimed to identify the impact of radio frequency identification (RFID) technology on reducing RSI errors and improving patient safety...
February 22, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28227593/an-rf-based-wearable-sensor-system-for-indoor-tracking-to-facilitate-efficient-healthcare-management
#8
Yuzhe Ouyang, Kai Shan, Francis Minhthang Bui, Yuzhe Ouyang, Kai Shan, Francis Minhthang Bui, Yuzhe Ouyang, Kai Shan, Francis Minhthang Bui
To understand the utilization of clinical resources and improve the efficiency of healthcare, it is often necessary to accurately locate patients and doctors in a healthcare facility. However, existing tracking methods, such as GPS, Wi-Fi and RFID, have technological drawbacks or impose significant costs, thus limiting their applications in many clinical environments, especially those with indoor enclosures. This paper proposes a low-cost and flexible tracking system that is well suited for operating in an indoor environment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227591/an-inductive-narrow-pulse-rfid-telemetry-system-for-gastric-slow-waves-monitoring
#9
Amir Javan-Khoskholgh, Zaid Abukhalaf, Ji Li, Larry S Miller, Mehdi Kiani, Aydin Farajidavar, Amir Javan-Khoskholgh, Zaid Abukhalaf, Ji Li, Larry S Miller, Mehdi Kiani, Aydin Farajidavar, Larry S Miller, Amir Javan-Khoskholgh, Ji Li, Mehdi Kiani, Zaid Abukhalaf
We present a passive data telemetry system for real-time monitoring of gastric electrical activity of a living subject. The system is composed of three subsystems: an implantable unit (IU), a wearable unit (WU), and a stationary unit (SU). Data communication between the IU and WU is based on a radio-frequency identification (RFID) link operating at 13.56 MHz. Since wireless power transmission and reverse data telemetry system share the same inductive interface, a load shift keying (LSK)-based differential pulse position (DPP) coding data communication with only 6...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28211003/an-easy-to-build-low-budget-point-of-care-ultrasound-simulator-from-linux-to-a-web-based-solution
#10
Domagoj Damjanovic, Ulrich Goebel, Benedikt Fischer, Martin Huth, Hartmut Breger, Hartmut Buerkle, Axel Schmutz
BACKGROUND: Hands-on training in point-of-care ultrasound (POC-US) should ideally comprise bedside teaching, as well as simulated clinical scenarios. High-fidelity phantoms and portable ultrasound simulation systems are commercially available, however, at considerable costs. This limits their suitability for medical schools. A Linux-based software for Emergency Department Ultrasound Simulation (edus2TM) was developed by Kulyk and Olszynski in 2011. Its feasibility for POC-US education has been well-documented, and shows good acceptance...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28181584/patterns-of-pollen-and-nectar-foraging-specialization-by-bumblebees-over-multiple-timescales-using-rfid
#11
Avery L Russell, Sarah J Morrison, Eleni H Moschonas, Daniel R Papaj
The ecological success of social insects is frequently ascribed to improvements in task performance due to division of labour amongst workers. While much research has focused on improvements associated with lifetime task specialization, members of colonies can specialize on a given task over shorter time periods. Eusocial bees in particular must collect pollen and nectar rewards to survive, but most workers appear to mix collection of both rewards over their lifetimes. We asked whether bumblebees specialize over timescales shorter than their lifetime...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28178883/radiofrequency-based-identification-medical-device
#12
Alessandra Lazzaro, Arianna Corona, Luca Iezzi, Silvia Quaresima, Luca Armisi, Ilaria Piccolo, Carlo Maria Medaglia, Sergio Sbrenni, Pierpaolo Sileri, Nicola Rosato, Achille Lucio Gaspari, Nicola Di Lorenzo
BACKGROUND: A retained surgical item in patients (gossypiboma) is a persisting problem, despite consistent improvements and existing guidelines in counting instruments and sponges. Previous experiences with radiofrequency identification technology (RFID) tracking sponges show that it could represent an innovation, in order to reduce the criticism and increase the effectiveness during surgical procedures. We present an automated system that allows reduction of errors and improves safety in the operating room...
January 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28146067/a-review-of-passive-rfid-tag-antenna-based-sensors-and-systems-for-structural-health-monitoring-applications
#13
REVIEW
Jun Zhang, Gui Yun Tian, Adi M J Marindra, Ali Imam Sunny, Ao Bo Zhao
In recent few years, the antenna and sensor communities have witnessed a considerable integration of radio frequency identification (RFID) tag antennas and sensors because of the impetus provided by internet of things (IoT) and cyber-physical systems (CPS). Such types of sensor can find potential applications in structural health monitoring (SHM) because of their passive, wireless, simple, compact size, and multimodal nature, particular in large scale infrastructures during their lifecycle. The big data from these ubiquitous sensors are expected to generate a big impact for intelligent monitoring...
January 29, 2017: Sensors
https://www.readbyqxmd.com/read/28114035/battery-free-smart-sock-for-abnormal-relative-plantar-pressure-monitoring
#14
Xiaoyou Lin, Boon-Chong Seet
This paper presents a new design of a wearable plantar pressure monitoring system in the form of a smart sock for sensing abnormal relative pressure changes. One advantage of this approach is that with a battery-free design, this system can be powered solely by radio frequency (RF) energy harvested from a radio frequency identification (RFID) reader unit hosted on a smartphone of the wearer. At the same time, this RFID reader can read foot pressure values from an embedded sensor-tag in the sock. A pressure sensing matrix made of conductive fabric and flexible piezo-resistive material is integrated into the sock during the knitting process...
April 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28100087/a-uhf-rfid-positioning-system-for-use-in-warehouse-navigation-by-employees-with-cognitive-disability
#15
Eric J M Gunther, Levin J Sliker, Cathy Bodine
Unemployment among the almost 5 million working-age adults with cognitive disabilities in the USA is a costly problem in both tax dollars and quality of life. Job coaching is an effective tool to overcome this, but the cost of job coaching services sums with every new employee or change of employment roles. There is a need for a cost-effective, automated alternative to job coaching that incurs a one-time cost and can be reused for multiple employees or roles. An effective automated job coach must be aware of its location and the location of destinations within the job site...
January 18, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28077665/spatial-cognition-in-a-virtual-reality-home-cage-extension-for-freely-moving-rodents
#16
Ursula Kaupert, Kay Thurley, Katja Frei, Francesco Bagorda, Alexej Schatz, Gilad Tocker, Sophia Rapoport, Dori Derdikman, York Winter
Virtual reality environments are part of a powerful tool set to investigate brain mechanisms of behavior in animals. For this, animals are mostly head-fixed or in a harness, and training for cognitively more complex VR paradigms is time consuming. A virtual reality apparatus allowing free animal movement and 24/7 operator-independent training of tasks would enable many new applications. Key prospective usages include brain imaging in behaving animals carrying a miniaturized mobile device such as a fluorescence microscope, or an optetrode...
January 11, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28067859/a-wirelessly-powered-smart-contact-lens-with-reconfigurable-wide-range-and-tunable-sensitivity-sensor-readout-circuitry
#17
Jin-Chern Chiou, Shun-Hsi Hsu, Yu-Chieh Huang, Guan-Ting Yeh, Wei-Ting Liou, Cheng-Kai Kuei
This study presented a wireless smart contact lens system that was composed of a reconfigurable capacitive sensor interface circuitry and wirelessly powered radio-frequency identification (RFID) addressable system for sensor control and data communication. In order to improve compliance and reduce user discomfort, a capacitive sensor was embedded on a soft contact lens of 200 μm thickness using commercially available bio-compatible lens material and a standard manufacturing process. The results indicated that the reconfigurable sensor interface achieved sensitivity and baseline tuning up to 120 pF while consuming only 110 μW power...
January 7, 2017: Sensors
https://www.readbyqxmd.com/read/28060883/an-automated-experimenter-free-method-for-the-standardised-operant-cognitive-testing-of-rats
#18
Marion Rivalan, Humaira Munawar, Anna Fuchs, York Winter
Animal models of human pathology are essential for biomedical research. However, a recurring issue in the use of animal models is the poor reproducibility of behavioural and physiological findings within and between laboratories. The most critical factor influencing this issue remains the experimenter themselves. One solution is the use of procedures devoid of human intervention. We present a novel approach to experimenter-free testing cognitive abilities in rats, by combining undisturbed group housing with automated, standardized and individual operant testing...
2017: PloS One
https://www.readbyqxmd.com/read/28045440/tag-to-tag-interference-suppression-technique-based-on-time-division-for-rfid
#19
Grishma Khadka, Suk-Seung Hwang
Radio-frequency identification (RFID) is a tracking technology that enables immediate automatic object identification and rapid data sharing for a wide variety of modern applications using radio waves for data transmission from a tag to a reader. RFID is already well established in technical areas, and many companies have developed corresponding standards and measurement techniques. In the construction industry, effective monitoring of materials and equipment is an important task, and RFID helps to improve monitoring and controlling capabilities, in addition to enabling automation for construction projects...
January 1, 2017: Sensors
https://www.readbyqxmd.com/read/28042820/scrms-an-rfid-and-sensor-web-enabled-smart-cultural-relics-management-system
#20
Changjiang Xiao, Nengcheng Chen, Dandan Li, You Lv, Jianya Gong
Cultural relics represent national or even global resources of inestimable value. How to efficiently manage and preserve these cultural relics is a vitally important issue. To achieve this goal, this study proposed, designed, and implemented an RFID and Sensor Web-enabled smart cultural relics management system (SCRMS). In this system, active photovoltaic subtle energy-powered Radio Frequency Identification (RFID) is used for long-range contactless identification and lifecycle management of cultural relics during their storage and circulation...
December 30, 2016: Sensors
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