Microfluidic Capacitors
Sub-nanoliter, real-time flow monitoring in microfluidic chips using …
Figure 5a shows the capacitance values from two microfluidic channels, giving distinguishable changes in the capacitance for conditions mentioned above (e.g. 200 pF for liquid detection).
Using parallel plates capacitor as a volumetric flow rate sensor …
Principle of operation (Flow Measurement-Sigle Capacitor): Considering fluid flow inside a parallel plates capacitor as shown in Fig. 1.When the capacitor is supplied by constant voltage source, then a current will be generated in the capacitor, the value of this current is linearly proportional to the volumetric flow rate flowing inside the …
A microfluidic transistor for automatic control of liquids
A microfluidic transistor for automatic control of liquids
Electronics | Free Full-Text | Microfluidics-Based Four …
The microfluidics domain has been progressing rapidly recently, particularly considering its useful applications in the field of biomedicine. This paper presents a novel, microfluidics-based design …
Design and fabrication of a continuously tuned capacitor by ...
Different views of the proposed microfluidic capacitor: (a) and (b) tridimensional representation and cross-section of the projected capacitor; (c) to (h): positions and quantity of DI water in ...
Magnetophoretic capacitors for storing single particles and magnetized cells in microfluidic …
Precise positioning of magnetic particles and magnetized cells in lab-on-a-chip systems has attracted broad attention. Recently, drawing inspiration from electrical circuits, we have demonstrated a magnetic particle transport platform composed of patterned magnetic thin films in a microfluidic environment, which accurately moves the particles …
Liquid dielectric layer-based microfluidic capacitive sensor for …
Microfluidic capacitive sensors with enhanced performance and wireless sensing capability present great advantages for various pressure sensor applications. In this work, a liquid dielectric layer (LDL)-based wireless capacitive sensor for high sensitivity and low-pressure detection has been demonstrated.
Magnetophoretic capacitors for storing single particles and …
Precise positioning of magnetic particles and magnetized cells in lab-on-a-chip systems has attracted broad attention. Recently, drawing inspiration from electrical circuits, we have demonstrated a magnetic particle transport platform composed of patterned magnetic thin films in a microfluidic environment, which accurately moves the particles and single cells …
Microfluidic capacitive sensors with ionic liquid electrodes and …
We report a new class of simple fluidic capacitive sensors based on microfluidic techniques, which are capable of multimodal sensing performances. The microfluidic multifunctional capacitive sensors were realized by using ionic liquids acting as electrodes in microchannels and a CNT/PDMS composite as a dielectric layer. Our …
A microfluidic capacitance sensor for fluid discrimination and characterization…
Microfluidic capacitive sensors have been used for detection of droplets, however they have been lacking the sensitivity required for detecting the content of droplets. In this study, we developed a scalable, portable, robust and high sensitivity capacitive microdroplet content detection system using coplanar electrodes with nanometer thick …
Microfluidic active pressure and flow stabiliser
A pressure or flow stabiliser is a device that reduces fluctuations (low frequency) and noise (high frequency) in a fluidic system. It is vital in both micro and …
Microfluidic capacitive sensors with ionic liquid …
We report a new class of simple fluidic capacitive sensors based on microfluidic techniques, which are capable of multimodal sensing performances. The microfluidic multifunctional capacitive sensors were …
Design and fabrication of a continuously tuned capacitor by microfluidic actuation …
Different views of the proposed microfluidic capacitor: (a) and (b) tridimensional representation and cross-section of the projected capacitor; (c) to (h): positions and quantity of DI water in ...
A microfluidic capacitance sensor for fluid discrimination and …
A microfluidic device with embedded capacitive sensing is proposed. The purpose of the device is fluid discrimination and characterization in a microchannel on the …
Direct observation of carbon slurry flow behavior and its effect on ...
Carbon slurries have been used as "flowable electrodes" in various electrochemical systems, and the slurry flow characteristics play an important role in the system electrochemical performance. For example, in an electrochemical flow capacitor (EFC), activated carbon particles must pass electrical charge fro Celebrating the 150th …
Microfluidic integrated capacitive biosensor for C-reactive protein …
A microfluidic chip has been integrated with a capacitive biosensor based on mass-producible three-dimensional (3D) interdigital electrode arrays. To achieve the monitoring of biosensor preparation and cardiac- and periodontitis-related biomarkers, all the processes were detected in a continuously on-site wa
FLUIDIC CAPACITOR-BASED, SELF-CONTAINED AND …
solution is self-powered to flow and fully discharge within 4 min. The leakage of pressure from the capacitors over time has been reduced by sealing the surface with paraffin wax, where the capacitors remain charged for up to 6 days with 85% of original volume preserved. KEYWORDS: Microfluidic Circuit, Fluidic Capacitor, Self-contained, Self ...
Modeling of Coplanar Interdigital Capacitor for Microwave …
Abstract: Due to its noninvasive property, the interdigital capacitor (IDC) has been applied in dielectric liquid detection and characterization. In order to integrate the IDC sensor on a …
Capacitive coupling synchronizes autonomous microfluidic …
Critical coupling capacitance is dependent on the internal microfluidic oscillator valve capacitance. PLECS simulations of two out of phase, equivalent …
Frequency-specific flow control in microfluidic circuits with passive elastomeric features …
Frequency-specific flow control in microfluidic circuits with ...
Fabrication of a high performance flexible capacitive porous GO/PDMS pressure sensor based on droplet microfluidic …
In this paper, a high performance capacitive flexible porous GO/PDMS pressure sensor was prepared based on droplet microfluidic technology. By testing the performance of the sensor, we found that the sensor with a flow rate ratio of 1 : 3 has relatively good performance, with a degree of hysteresis (DH) of 8.64% and a coefficient …
Microfluidic integrated capacitive biosensor for C-reactive protein …
A microfluidic chip has been integrated with a capacitive biosensor based on mass-producible three-dimensional (3D) interdigital electrode arrays. To achieve the monitoring of biosensor preparation and cardiac- and periodontitis-related biomarkers, all the processes were detected in a continuously o …
Microfluidic-Based Sensors | SpringerLink
Microfluidics has emerged as a powerful tool for the fabrication of sensors in fields, like diagnostics, clinical analysis, electronics, material science, and drug …
Electronics | Free Full-Text | Microfluidics-Based Four Fundamental Electronic Circuit Elements Resistor, Inductor, Capacitor …
The microfluidics domain has been progressing rapidly recently, particularly considering its useful applications in the field of biomedicine. This paper presents a novel, microfluidics-based design for four fundamental circuit elements in electronics, namely resistor, inductor, capacitor, and memristor. These widely used passive …
Magnetophoretic capacitors for storing single particles and magnetized cells in microfluidic …
Precise positioning of magnetic particles and magnetized cells in lab-on-a-chip systems has attracted broad attention. Recently, drawing inspiration from electrical circuits, we have demonstrated a magnetic particle transport platform composed of patterned magnetic thin films in a microfluidic envir …
Tuned-in flow control
Analogues of the resistors, capacitors and diodes of an electronic circuit could eliminate the need for bulky external pumps to control the flow of liquids in a microfluidic circuit. As has ...
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