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# IEEE Sensors Journal

## Filter Results

Displaying Results 1 - 25 of 61
• ### [Front cover]

Publication Year: 2014, Page(s): C1
| PDF (145 KB)
• ### IEEE Sensors Journal publication information

Publication Year: 2014, Page(s): C2
| PDF (150 KB)

Publication Year: 2014, Page(s):1333 - 1335
| PDF (109 KB)

Publication Year: 2014, Page(s):1336 - 1338
| PDF (110 KB)
• ### Low-Power Wide-Range Frequency-Output Temperature Sensor

Publication Year: 2014, Page(s):1339 - 1340
Cited by:  Papers (8)
| | PDF (512 KB) | HTML

This paper presents a simple but effective linear frequency output temperature sensor based on a multivibrator current-to-frequency converter. Post-layout simulation results for a 1.2 V 0.18- μm CMOS design show high linearity over a temperature range from -40°C to +120°C, with an accuracy of ±1°C, a sensitivity of 354 Hz/°C and only 3 μW of power c... View full abstract»

• ### Magneto-Plethysmographic Sensor for Peripheral Blood Flow Velocity

Publication Year: 2014, Page(s):1341 - 1342
Cited by:  Papers (3)
| | PDF (378 KB) | HTML

In order to detect blood volume changes, we proposed the new magnetic plethysmographic sensor using time-varying magnetic fields, and thereby, measuring the change of impedance of exciting coil. The change of coil impedance was proportional to the change of blood volume passing through a volume-of-interests, which inductively coupled with exciting coil. In order to verify the feasibility of the pr... View full abstract»

• ### Fabricating Microlenses on Photodiodes to Increase the Light-Current Conversion Efficiency

Publication Year: 2014, Page(s):1343 - 1344
Cited by:  Papers (1)
| | PDF (771 KB) | HTML

This letter presents a microlenses (MLs) fabrication process for enhancing the photocurrent (PC) generation efficiency of photodiodes (PDs). The concept was demonstrated with a plano-convex spherical ML fabricated directly on top of a PD. The PDs are of type n+-p-substrate junction fabricated in a standard CMOS process. The base and sag height of the MLs measure 26 and 5 μm, resp... View full abstract»

• ### High-Sensitivity Metamaterial-Inspired Sensor for Microfluidic Dielectric Characterization

Publication Year: 2014, Page(s):1345 - 1351
Cited by:  Papers (46)
| | PDF (1814 KB) | HTML

A new metamaterial-inspired microwave microfluidic sensor is proposed in this paper. The main part of the device is a microstrip coupled complementary split-ring resonator (CSRR). At resonance, a strong electric field will be established along the sides of CSRR producing a very sensitive area to a change in the nearby dielectric material. A micro-channel is positioned over this area for microfluid... View full abstract»

• ### 1.3 and 1.55 $\mu{\rm m}$ Thermally Regenerated Gratings in Hydrogenated Boron/Germanium Co-Doped Photosensitivity Fiber

Publication Year: 2014, Page(s):1352 - 1356
Cited by:  Papers (8)
| | PDF (424 KB) | HTML

In this paper, we have experimentally demonstrated thermal regeneration of gratings at 1310 and 1560 nm in the hydrogenated boron/germanium codoped photosensitivity fibers. Increase in effective index of the fiber and reduced grating period are observed in the regenerated fiber Bragg grating (RFBG). The experimental results show that the temperature sensitivity of regenerated gratings at 1310 and ... View full abstract»

• ### Tunable Low Noise Amplifier Implementation With Low Distortion Pseudo-Resistance for in Vivo Brain Activity Measurement

Publication Year: 2014, Page(s):1357 - 1363
Cited by:  Papers (4)
| | PDF (1588 KB) | HTML

This paper presents a low power neural signal amplifier with tunable cut-off frequencies. The presented compact amplifier, which is used for sensing various types of neural signals, reduces the size and the power consumption of the whole circuit. The distinguishing features of this solution are the large time constant, linearity, and small achievable area, which are realized with a configurable se... View full abstract»

• ### Detection of Energized Structures With an Electro-Optic Electric Field Sensor

Publication Year: 2014, Page(s):1364 - 1369
Cited by:  Papers (7)
| | PDF (1185 KB) | HTML

An electro-optic, solid-state electric field sensor system for noncontact detection of energized objects at power frequency (60 Hz) was investigated. In laboratory testing, the sensor system was found to have a minimum detectable field amplitude of 4 mV/m/Hz1/2, which was further reduced by a factor of 2 through vector averaging over 20 cycles. In an experimental setup emulating the rea... View full abstract»

• ### Dynamic Node Lifetime Estimation for Wireless Sensor Networks

Publication Year: 2014, Page(s):1370 - 1379
Cited by:  Papers (5)
| | PDF (1476 KB) | HTML

Wireless sensor networks (WSNs) consist of a large number of nodes each with limited battery power. As networks of these nodes are usually deployed unattended, network lifetime becomes an important concern. This paper proposes a novel, feasible, dynamic approach for node lifetime estimation that works for both static and dynamic loads. It covers several factors that have an impact on node lifetime... View full abstract»

• ### 3D Hand Tracking With Head Mounted Gaze-Directed Camera

Publication Year: 2014, Page(s):1380 - 1390
Cited by:  Papers (3)
| | PDF (993 KB) | HTML

This paper investigates hand tracking for everyday manipulation tasks using a gaze-directed camera, which is a wearable camera that actively directs the visual attention focus of the person who wears it. The proposed 3-D hand tracking algorithm is implemented as a submodule in the integrated vision system, which tracks the positions and the poses of the acting hands, the pose that the manipulated ... View full abstract»

• ### The Significance of Lidar Pulse Stability in the IR Detection of Hazardous Compounds

Publication Year: 2014, Page(s):1391 - 1398
| | PDF (1455 KB) | HTML

Passive infrared (IR) standoff sensing and imaging of hazardous vapor plumes possess inherent unreliability due to its dependence on the volatile temperature difference. Active standoff chemical detection by the IR lidar is much less influenced by the field temperature variations as the passive IR sensing is. In this paper, the effect of the lidar pulse stability on the chemical sensing performanc... View full abstract»

• ### Label-Free Plasmonic Immunosensing for Plasmodium in a Whole Blood Lysate

Publication Year: 2014, Page(s):1399 - 1404
Cited by:  Papers (5)
| | PDF (751 KB) | HTML

In this paper, we report an experimental demonstration of malaria pathogen detection in a whole blood lysate using plasmonic nanostructures. The plasmon sensor utilizes extraordinary optical transmission through a nanostructure to directly probe antibody-antigen interactions. The measured refractive index sensitivity of the nanostructured sensor is 378 nm per refractive index unit in the visible r... View full abstract»

• ### Data Fusion and Fault Diagnosis for Flexible Arrayed pH Sensor Measurement System Based on LabVIEW

Publication Year: 2014, Page(s):1405 - 1411
Cited by:  Papers (3)
| | PDF (1973 KB) | HTML

This paper concerns the data fusion (DF) and fault diagnosis (FD), which could increase the reliability of measured results when one sensing window was faulty. The flexible arrayed pH sensor was fabricated by radio frequency sputtering system and screen-printed technology, which the ruthenium dioxide was deposited on the polyethylene terephthalate substrate as sensitive membranes and the miniature... View full abstract»

• ### Excitation of Confined Modes in Silicon Slotted Waveguides and Microring Resonators for Sensing Purposes

Publication Year: 2014, Page(s):1412 - 1417
Cited by:  Papers (3)
| | PDF (1720 KB) | HTML

An important class of biochemical sensors are based on slotted waveguides having an increased sensitivity due to the confinement of the optical field in the slot region. The most sensitive devices of such a type contain microrings, and in these devices, the resonant frequency shift due to presence of the analyte in the microring slot is converted to the sensing signal. However, to the best of our ... View full abstract»

• ### Reliable Method to Mask Smoking Effect on Alcoholic Intake Detection Based on Photoplethysmogram Signal Analysis

Publication Year: 2014, Page(s):1418 - 1424
| | PDF (1258 KB) | HTML

This paper proposes an advanced and reliable alcoholic-intake detection method that analyzes a photoplethysmogram (PPG) signal captured from the subject. Since smoking and physical exercise as well as alcohol intake are crucial determiners of the body's biological response, we must analyze how they influence the usefulness of the PPG signal in detecting alcohol intake. In contrast to past studies,... View full abstract»

• ### Piezoelectric Transformer Based Disturbance Monitoring Methodology for High-Voltage Power Supply Lines

Publication Year: 2014, Page(s):1425 - 1434
Cited by:  Papers (2)
| | PDF (2878 KB) | HTML

We present a novel microsystem methodology to detect voltage and current disturbances in high power distribution lines. Our system employs a custom designed piezoelectric transformer operating at 50/60 Hz, as an alternative to the bulky electromagnetic transformer, to detect disturbances up to few kilohertz. In the frequency range of 10 Hz to 250 Hz, the piezotransformer steps down the 10-150 V in... View full abstract»

• ### Contact Behavior of Soft Spherical Tactile Sensors

Publication Year: 2014, Page(s):1435 - 1442
Cited by:  Papers (12)
| | PDF (1945 KB) | HTML

In this paper, we studied a compliant tactile sensor with a spherical shell geometry. This bioinspired sensor has been successfully tested in actual robots whose behaviors are guided by tactile feedback. A model of the sensor was developed to study the contact response of the sensor to objects with different geometries. The sensor response is the estimation of both, normal and shear forces (3-D ve... View full abstract»

• ### Soft Tactile Sensor Arrays for Force Feedback in Micromanipulation

Publication Year: 2014, Page(s):1443 - 1452
Cited by:  Papers (14)
| | PDF (1555 KB) | HTML

This paper describes the design, fabrication, and experimental validation of a soft tactile sensor array for submillimeter contact localization and contact force measurement in micromanipulation. The geometry and placement of conductive liquid microchannels embedded within the elastic sensor body are optimized to provide high sensitivity for representative micromanipulation tasks and to overcome f... View full abstract»

• ### Multiple Intensity Differentiation-Based 3-D Surface Reconstruction With Photometric Stereo Compensation

Publication Year: 2014, Page(s):1453 - 1458
| | PDF (1014 KB) | HTML

In photometric stereo technique, multiple images are used to construct surface normal vectors and a 3-D shape is constructed thereafter. Although the lighting model is a rather simple Lambertian model in general, the quality of reconstructed 3-D shapes has been improved significantly. Recently, more general varying BRDF-based 3-D reconstruction, including specularity model is reported to be feasib... View full abstract»

• ### Graphene-Based Quantum Capacitance Wireless Vapor Sensors

Publication Year: 2014, Page(s):1459 - 1466
Cited by:  Papers (13)  |  Patents (1)
| | PDF (1364 KB) | HTML

A wireless vapor sensor based on the quantum capacitance effect in graphene is demonstrated. The sensor consists of a metal-oxide-graphene variable capacitor (varactor) coupled to an inductor, creating a resonant oscillator circuit. The resonant frequency is found to shift in proportion to water vapor concentration for relative humidity (RH) values ranging from 1% to 97% with a linear frequency sh... View full abstract»

• ### Nanobiosensor for Diclofop Detection Based on Chemically Modified AFM Probes

Publication Year: 2014, Page(s):1467 - 1475
Cited by:  Papers (6)
| | PDF (1771 KB) | HTML

Highly sensitive and selective functional nanobiobreaksensors are being developed because they have significant applications in the sustenance and conservation of natural resources and can be used in projects to identify degraded and contaminated areas (of both soil and water) and as environmental quality indicators. In the present study, a nanobiosensor was developed based on using theoretical mo... View full abstract»

• ### Assessing Cytotoxic Effect of ZD6474 on MDA-MB-468 Cells Using Cell-Based Sensor

Publication Year: 2014, Page(s):1476 - 1481
Cited by:  Papers (5)
| | PDF (985 KB) | HTML

This paper presents the application of an impedance-based measurement of cytotoxicity of ZD6474 on MDA-MB-468 breast cancer cells in culture. In the present experiment, four types of cell-based sensors with different electrode geometries are fabricated by using microfabrication technology. MDA-MB-468 cells are grown on the electrode surfaces to study cell adhesion, spreading, and apoptosis. The re... View full abstract»

## Aims & Scope

The IEEE Sensors Journal is a peer-reviewed, semi-monthly online journal devoted to sensors and sensing phenomena.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Krikor Ozanyan
University of Manchester
Manchester, M13 9PL, U.K.