humidity sensing by polymer-loaded uhf rfid antennas This work demonstrates how the change in the state of an RFID tag IC from passive to battery-assisted passive (BAP) as an indicator for sensing is particularly well suited for transduction mechanisms that produce charge, such as electrochemical reactions through a case example in glucose sensing.
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0 · Humidity Sensing by Polymer
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Humidity Sensing by Polymer
Here, a new family of polymer-doped tags are proposed and fully characterized for the detection of ambient humidity. A sensitive chemical species based on PEDOT:PSS is used .
Abstract—Passive UHF RFID tags, beside item labeling, are also able to exploit capability to sense the physical state of the tagged object as well as of the surrounding environment. Here . Here, a new family of polymer-doped tags are proposed and fully characterized for the detection of ambient humidity. A sensitive chemical species based on PEDOT:PSS is used to load a shaped slot, carved into a folded-like patch tag.Abstract—Passive UHF RFID tags, beside item labeling, are also able to exploit capability to sense the physical state of the tagged object as well as of the surrounding environment. Here a new family of polymer-doped tags are proposed and fully characterized for the detection of ambient humidity.
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In this study, a wireless slot-antenna integrated temperature-pressure-humidity (TPH) sensor loaded with complementary split ring resonator (CSRR) for harsh-environment applications was.
This work demonstrates how the change in the state of an RFID tag IC from passive to battery-assisted passive (BAP) as an indicator for sensing is particularly well suited for transduction mechanisms that produce charge, such as electrochemical reactions through a case example in glucose sensing.Polymeric humidity sensors are divided into two fundamental categories according to the dom-inant sensing mechanisms [7]: resistive-type and capacitive-type. The former reacts to moisture variation by changing its conductivity, while the latter is sensitive to water vapor by varying its dielectric constant [8].Fig. 1. Layout of the folded patch tag to be used as passive humidity sensor. - "Humidity Sensing by Polymer-Loaded UHF RFID Antennas"RFID based environmental sensor can be designed with the integration of sensing material in a microstrip antenna. The properties of the sensing material are responsible for converting a passive tag as a sensor.
The temperature sensitivity of the TPH sensor is 133 kHz/℃; the frequency shift of the pressure sensor is 30 MHz with a highest sensitivity of 107.78 kHz/kPa at 65 %RH, 300℃; the humidity sensor realizes a sensitivity of 389 kHz/%RH in the low frequency (20–60 %RH) and 1.52 MHz/%RH in the high humidity (60–90 %RH) at 10 kPa, 25℃.
Humidity Sensing by Polymer-Loaded UHF RFID Antennas (PDF) Humidity Sensing by Polymer-Loaded UHF RFID Antennas | Sabina Manzari - Academia.edu Academia.edu no longer supports Internet Explorer.Abstract: We demonstrate for the first time an RFID tag antenna which itself is humidity sensor and also provides calibration functional-ity. The antenna is comprised of T-matching network and horizontally meandered lines for impedance matching and reliable near-field com-munication. The novel contour design provides humidity sensing, and Here, a new family of polymer-doped tags are proposed and fully characterized for the detection of ambient humidity. A sensitive chemical species based on PEDOT:PSS is used to load a shaped slot, carved into a folded-like patch tag.
Abstract—Passive UHF RFID tags, beside item labeling, are also able to exploit capability to sense the physical state of the tagged object as well as of the surrounding environment. Here a new family of polymer-doped tags are proposed and fully characterized for the detection of ambient humidity. In this study, a wireless slot-antenna integrated temperature-pressure-humidity (TPH) sensor loaded with complementary split ring resonator (CSRR) for harsh-environment applications was. This work demonstrates how the change in the state of an RFID tag IC from passive to battery-assisted passive (BAP) as an indicator for sensing is particularly well suited for transduction mechanisms that produce charge, such as electrochemical reactions through a case example in glucose sensing.
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Polymeric humidity sensors are divided into two fundamental categories according to the dom-inant sensing mechanisms [7]: resistive-type and capacitive-type. The former reacts to moisture variation by changing its conductivity, while the latter is sensitive to water vapor by varying its dielectric constant [8].
Fig. 1. Layout of the folded patch tag to be used as passive humidity sensor. - "Humidity Sensing by Polymer-Loaded UHF RFID Antennas"
RFID based environmental sensor can be designed with the integration of sensing material in a microstrip antenna. The properties of the sensing material are responsible for converting a passive tag as a sensor.
The temperature sensitivity of the TPH sensor is 133 kHz/℃; the frequency shift of the pressure sensor is 30 MHz with a highest sensitivity of 107.78 kHz/kPa at 65 %RH, 300℃; the humidity sensor realizes a sensitivity of 389 kHz/%RH in the low frequency (20–60 %RH) and 1.52 MHz/%RH in the high humidity (60–90 %RH) at 10 kPa, 25℃.Humidity Sensing by Polymer-Loaded UHF RFID Antennas (PDF) Humidity Sensing by Polymer-Loaded UHF RFID Antennas | Sabina Manzari - Academia.edu Academia.edu no longer supports Internet Explorer.
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humidity sensing by polymer-loaded uhf rfid antennas|Humidity Sensing by Polymer