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819 Results Found

  • Article
  • Open Access
6 Citations
3,038 Views
17 Pages

Partial Power Processing and Efficiency Analysis of dc-dc Differential Converters

  • Jéssika Melo de Andrade,
  • Roberto Francisco Coelho and
  • Telles Brunelli Lazzarin

4 February 2022

This paper presents a partial power processing and an efficiency analysis of dc-dc differential converters based on the use of two basic converters of the same group: the positive or negative group. The paper contributes theoretical analysis and demo...

  • Article
  • Open Access
12 Citations
5,123 Views
22 Pages

Multiport DC-DC Converter with Differential Power Processing for Fast EV Charging Stations

  • Mohamed A. Elkeiy,
  • Yousef N. Abdelaziz,
  • Mostafa S. Hamad,
  • Ayman S. Abdel-Khalik and
  • Mohamed Abdelrahem

7 February 2023

With the growing interest in owning electric vehicles due to increased environmental awareness and uncertain energy security together with the development of Li-ion batteries, quietness, and trouble-free operation, it is urgent to develop charging st...

  • Article
  • Open Access
658 Views
24 Pages

2 September 2025

In order to meet the needs of grid integration of various renewable energy sources and promote long-distance power transmission, a hybrid multi-infeed DC system architecture consisting of a line-commutated converter (LCC) and a modular multilevel con...

  • Article
  • Open Access
14 Citations
2,978 Views
19 Pages

Differential Evolution-Based Overcurrent Protection for DC Microgrids

  • Miao Li,
  • Daming Zhang,
  • Shibo Lu,
  • Xiuhui Tang and
  • Toan Phung

16 August 2021

DC microgrids have advantages over AC microgrids in terms of system efficiency, cost, and system size. However, a well-designed overcurrent protection approach for DC microgrids remains a challenge. Recognizing this, this paper presents a novel diffe...

  • Article
  • Open Access
3 Citations
1,231 Views
23 Pages

28 August 2024

The search for more efficient power grids has led to the concept of microgrids, based on the integration of new-generation technologies and energy storage systems. These devices inherently operate in DC, making DC microgrids a potential solution for...

  • Article
  • Open Access
1 Citations
1,346 Views
16 Pages

Broadly Targeted Metabolomics Analysis of Differential Metabolites Between Bupleurum chinense DC. and Bupleurum scorzonerifolium Willd.

  • Min Li,
  • Quanfang Zhang,
  • Tongshan Zhu,
  • Guoxia Liu,
  • Wenxiao Chen,
  • Yanli Chen,
  • Xun Bu,
  • Zhifeng Zhang and
  • Yongqing Zhang

11 February 2025

Background/Objectives: Bupleuri Radix is a plant in the Apiaceae family Bupleurum Chinense DC. or Bupleurum scorzonerifolium Willd. root. The dissimilarities in the metabolite profiles of plants directly correlate with the disparities in their clinic...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,263 Views
15 Pages

DC-AC Isolated Power Converter Array. Focus on Differential Mode Conducted EMI

  • Jean-Christophe CREBIER,
  • Thanh-Hai PHUNG,
  • Van-Sang NGUYEN,
  • Theo LAMORELLE,
  • Andre ANDRETA,
  • Lyubomir KẺACHEV and
  • Yves LEMBEYE

This paper introduces the implementation of a DC–AC step up isolated converter from associations of bidirectional Conversion Standard Cells (CSCs). The designed multi-cell converter is an array of standardized converter cells. It is described a...

  • Article
  • Open Access
23 Citations
2,880 Views
15 Pages

27 April 2020

With high penetrations of renewable energy sources (RES), distributed battery systems (DBS) are widely adopted in standalone DC microgrids to stabilize the bus voltages by balancing the active power. This paper presents an Adaptive Differential Evolu...

  • Article
  • Open Access
1 Citations
1,481 Views
19 Pages

More and more attention has been paid to ships with a DC power grid. State-of-charge (SOC) estimation is a pivotal and challenging assignment for lithium-ion batteries in such ships. However, the precision of SOC estimation is strongly connected with...

  • Article
  • Open Access
9 Citations
3,671 Views
12 Pages

Voltage Differential Protection for Series Arc Fault Detection in Low-Voltage DC Systems

  • Sundaravaradan Navalpakkam Ananthan,
  • Xianyong Feng,
  • Charles Penney,
  • Angelo Gattozzi,
  • Robert Hebner and
  • Surya Santoso

Series arc faults are challenging to detect in low-voltage dc (LVDC) distribution systems because, unlike other fault types, series arc faults result in only small changes in the current and voltage waveforms. Though there have been several approache...

  • Article
  • Open Access
29 Citations
6,509 Views
12 Pages

Bovine Lactoferrin Modulates Dendritic Cell Differentiation and Function

  • Olaf Perdijk,
  • R. J. Joost Van Neerven,
  • Erik Van den Brink,
  • Huub F. J. Savelkoul and
  • Sylvia Brugman

29 June 2018

Lactoferrin is an abundant glycoprotein in bovine milk that has immunomodulatory effects on human cells. Bovine lactoferrin (LF) binds lipopolysaccharides (LPS) with high affinity and is postulated to act via TLR4-dependent and -independent mechanism...

  • Article
  • Open Access
25 Citations
7,116 Views
15 Pages

DC/DC Boost Converter–Inverter as Driver for a DC Motor: Modeling and Experimental Verification

  • Víctor Hugo García-Rodríguez,
  • Ramón Silva-Ortigoza,
  • Eduardo Hernández-Márquez,
  • José Rafael García-Sánchez and
  • Hind Taud

7 August 2018

In this paper, the modeling and the experimental verification of the “bidirectional DC/DC boost converter–DC motor” system are presented. By using circuit theory along with the model of a DC motor, the mathematical model of the syst...

  • Article
  • Open Access
29 Citations
4,813 Views
15 Pages

Robust Tracking Controller for a DC/DC Buck-Boost Converter–Inverter–DC Motor System

  • Eduardo Hernández-Márquez,
  • Carlos Alejandro Avila-Rea,
  • José Rafael García-Sánchez,
  • Ramón Silva-Ortigoza,
  • Gilberto Silva-Ortigoza,
  • Hind Taud and
  • Mariana Marcelino-Aranda

20 September 2018

This paper has two aims. The first is to develop a robust hierarchical tracking controller for the DC/DC Buck-Boost–inverter–DC motor system. This controller considers a high level control for the inverter–DC motor subsystems and a...

  • Article
  • Open Access
11 Citations
4,477 Views
16 Pages

Analysis of DC/DC Boost Converter–Full-Bridge Buck Inverter System for AC Generation

  • Víctor Hugo García-Rodríguez,
  • José Humberto Pérez-Cruz,
  • Roberto Carlos Ambrosio-Lázaro and
  • Salvador Tavera-Mosqueda

7 March 2023

This paper presents an analysis and simulation of the mathematical model associated to the DC/DC Boost converter–full-bridge Buck inverter system to regulate the voltage output of the DC/DC Boost converter allowing bipolar voltages higher than...

  • Article
  • Open Access
6 Citations
3,894 Views
21 Pages

An Output Feedback Discrete-Time Controller for the DC-DC Buck Converter

  • Martin A. Alarcón-Carbajal,
  • José E. Carvajal-Rubio,
  • Juan D. Sánchez-Torres,
  • David E. Castro-Palazuelos and
  • Guillermo J. Rubio-Astorga

21 July 2022

This paper presents a discrete-time output feedback controller to regulate the output voltage of a DC-DC buck converter. The proposal’s main feature is the application of a discrete-time equivalent of the robust exact filtering differentiator....

  • Article
  • Open Access
11 Citations
4,003 Views
25 Pages

A Novel Dynamic Three-Level Tracking Controller for Mobile Robots Considering Actuators and Power Stage Subsystems: Experimental Assessment

  • José Rafael García-Sánchez,
  • Salvador Tavera-Mosqueda,
  • Ramón Silva-Ortigoza,
  • Victor Manuel Hernández-Guzmán,
  • Magdalena Marciano-Melchor,
  • José de Jesús Rubio,
  • Mario Ponce-Silva,
  • Miguel Hernández-Bolaños and
  • Jesús Martínez-Martínez

2 September 2020

In order to solve the trajectory tracking task in a wheeled mobile robot (WMR), a dynamic three-level controller is presented in this paper. The controller considers the mechanical structure, actuators, and power stage subsystems. Such a controller i...

  • Review
  • Open Access
9 Citations
4,682 Views
11 Pages

1 June 2024

In this review, we aim to provide a summary of the diverse immunophenotypic presentations of distinct entities associated with plasmacytoid dendritic cell (pDC) proliferation. These entities include the following: (1) blastic plasmacytoid dendritic c...

  • Article
  • Open Access
9 Citations
4,990 Views
14 Pages

On the Sliding Mode Control Applied to a DC-DC Buck Converter

  • Sandra Huerta-Moro,
  • Oscar Martínez-Fuentes,
  • Victor Rodolfo Gonzalez-Diaz and
  • Esteban Tlelo-Cuautle

This work shows the voltage regulation of a DC–DC buck converter by applying sliding mode control using three different cases of sliding surfaces. The DC–DC buck converter is modeled by ordinary differential equations (ODEs) that are solv...

  • Article
  • Open Access
459 Views
22 Pages

To address the critical issue of low reliability caused by fault impacts in large-scale wind farms transmitting power over long distances via flexible DC transmission systems, this study proposes a collaborative solution. First, a new protection sche...

  • Article
  • Open Access
8 Citations
2,192 Views
16 Pages

21 October 2022

Flexible DC distribution networks have a strong capacity for new energy consumption and have received extensive attention from scholars in recent years, but fault location for DC distribution lines is a difficult task. To solve this problem, we propo...

  • Article
  • Open Access
2 Citations
2,227 Views
27 Pages

9 August 2021

This work considers the DC part of a hybrid AC/DC microgrid with a meshed topology. We address cost minimization, battery scheduling and the power loss minimization within the power distribution network through constrained optimization. The novelty c...

  • Article
  • Open Access
2 Citations
3,391 Views
14 Pages

How Much of Me Do I See in Other Minds? Modulating Egocentricity in Emotion Judgments by tDCS

  • Anne Weigand,
  • Irene Trilla,
  • Lioba Enk,
  • Garret O’Connell,
  • Kristin Prehn,
  • Timothy R. Brick and
  • Isabel Dziobek

When inferring the mental states of others, individuals’ judgments are influenced by their own state of mind, an effect often referred to as egocentricity. Self–other differentiation is key for an accurate interpretation of other’s mental states, esp...

  • Article
  • Open Access
8 Citations
2,718 Views
14 Pages

Modeling of Ship DC Power Grid and Research on Secondary Control Strategy

  • Hong Zeng,
  • Yuanhao Zhao,
  • Xuming Wang,
  • Taishan He and
  • Jundong Zhang

19 December 2022

Compared to alternating current (AC) grids, direct current (DC) grids are becoming more and more popular. A power distribution approach is suggested in order to solve the issue of uneven power distribution of distributed generation (DG) in a ship DC...

  • Article
  • Open Access
23 Citations
4,785 Views
17 Pages

An Optimized Digital Watermarking Scheme Based on Invariant DC Coefficients in Spatial Domain

  • Musrrat Ali,
  • Chang Wook Ahn,
  • Millie Pant,
  • Sanoj Kumar,
  • Manoj K. Singh and
  • Deepika Saini

2 September 2020

Digital watermarking has become an essential and important tool for copyright protection, authentication, and security of multimedia contents. It is the process of embedding a watermark in the multimedia content and its extraction. Block-based discre...

  • Article
  • Open Access
166 Views
15 Pages

Active Power Criterion Based High-Adaptive Differential Protection for Power Electronic Equipment

  • Yigong Xie,
  • Chen Wu,
  • Min Cheng,
  • Dan Zhang,
  • Xiao Zhang and
  • Qian Chen

11 January 2026

In flexible AC/DC microgrids, a variety of non-traditional power equipment are in operation, such as AC/DC interlinking converters. Moreover, due to the influence of interlinking converters, short-circuit fault characteristics in microgrids are much...

  • Article
  • Open Access
14 Citations
3,916 Views
13 Pages

Hypervirulent Klebsiella pneumoniae Strains Modulate Human Dendritic Cell Functions and Affect TH1/TH17 Response

  • Sabrina Nicolò,
  • Giorgio Mattiuz,
  • Alberto Antonelli,
  • Fabio Arena,
  • Vincenzo Di Pilato,
  • Tommaso Giani,
  • Ilaria Baccani,
  • Ann Maria Clemente,
  • Giuseppe Castronovo and
  • Maria Gabriella Torcia
  • + 2 authors

Hypervirulent Klebsiella pneumoniae (Hv-Kp) strains have emerged as pathogens causing life-threatening, invasive disease even in immunocompetent hosts. Systemic dissemination usually occurs following perturbations of the gut microbiota and is facilit...

  • Article
  • Open Access
3 Citations
1,601 Views
26 Pages

22 December 2023

The determination is presented of seven parameters of a DC motor’s drive. The determination was based on a comparison between the measured and simulated current and speed responses. For the parameters’ determination, different evolutionar...

  • Article
  • Open Access
6 Citations
4,683 Views
20 Pages

Robust Flatness-Based Tracking Control for a “Full-Bridge Buck Inverter–DC Motor” System

  • Ramón Silva-Ortigoza,
  • Magdalena Marciano-Melchor,
  • Rogelio Ernesto García-Chávez,
  • Alfredo Roldán-Caballero,
  • Victor Manuel Hernández-Guzmán,
  • Eduardo Hernández-Márquez,
  • José Rafael García-Sánchez,
  • Rocío García-Cortés and
  • Gilberto Silva-Ortigoza

4 November 2022

By developing a robust control strategy based on the differential flatness concept, this paper presents a solution for the bidirectional trajectory tracking task in the “full-bridge Buck inverter–DC motor” system. The robustness of...

  • Article
  • Open Access
5 Citations
2,763 Views
15 Pages

17 February 2023

Bupleurum chinense DC. is a well-known traditional Chinese medicinal plant that produces saikosaponins (SSs), which possess hepatoprotective, antipyretic, and anti-inflammatory activities. Methyl jasmonate (MeJA) is a signalling phytohormone that can...

  • Article
  • Open Access
8 Citations
3,322 Views
19 Pages

Performance Assessment of Mismatch Mitigation Methodologies Using Field Data in Solar Photovoltaic Systems

  • Kamran Ali Khan Niazi,
  • Tamas Kerekes,
  • Alberto Dolara,
  • Yongheng Yang and
  • Sonia Leva

Partial shading and other non-ideal conditions cause electrical mismatches that reduce the output power generated by a photovoltaic (PV) system. It affects the overall performance and efficiency of PV systems. Therefore, a model is developed in MATLA...

  • Article
  • Open Access
31 Citations
5,167 Views
30 Pages

21 September 2020

The formulation of a maximum power point tracking (MPPT) control strategy plays a vital role in enhancing the inherent low conversion efficiency of a photovoltaic (PV) module. Keeping in view the nonlinear electrical characteristics of the PV module...

  • Article
  • Open Access
13 Citations
4,859 Views
19 Pages

New “Full-Bridge Buck Inverter–DC Motor” System: Steady-State and Dynamic Analysis and Experimental Validation

  • Eduardo Hernández-Márquez,
  • Carlos Alejandro Avila-Rea,
  • José Rafael García-Sánchez,
  • Ramón Silva-Ortigoza,
  • Magdalena Marciano-Melchor,
  • Mariana Marcelino-Aranda,
  • Alfredo Roldán-Caballero and
  • Celso Márquez-Sánchez

24 October 2019

A mathematical model of a new “full-bridge Buck inverter–DC motor” system is developed and experimentally validated. First, using circuit theory and the mathematical model of a DC motor, the dynamic behavior of the system under stud...

  • Article
  • Open Access
1 Citations
1,675 Views
19 Pages

This paper proposes a hybrid energy-harvesting chip that utilizes both radio-frequency (RF) energy and solar energy for low-power applications and extended service life. The key contributions include a wide input power range, a compact chip area, and...

  • Feature Paper
  • Article
  • Open Access
10 Citations
11,212 Views
17 Pages

Reconfigurable RF Energy Harvester with Customized Differential PCB Antenna

  • Alessandro Bertacchini,
  • Luca Larcher,
  • Moreno Maini,
  • Luca Vincetti and
  • Stefano Scorcioni

In this work, a Radio Frequency (RF) Energy Harvester comprised of a differential Radio Frequency-to-Direct Current (RF-DC) converter realized in ST130 nm Complementary Metal-Oxide-Semiconductor (CMOS) technology and a customized broadband Printed Ci...

  • Article
  • Open Access
1 Citations
1,093 Views
17 Pages

7 December 2024

This paper proposes a solution based on the particle swarm optimization algorithm to address the issue of Proportional Integral Derivative parameter selection in the motion control of a two-wheel differential car. The mathematical motion model is est...

  • Feature Paper
  • Article
  • Open Access
14 Citations
2,934 Views
15 Pages

26 June 2021

In this paper, we propose a method for the identification of the differential inductance of saturable ferrite inductors adopted in DC–DC converters, considering the influence of the operating temperature. The inductor temperature rise is caused mainl...

  • Article
  • Open Access
3 Citations
2,670 Views
14 Pages

A Novel Approach for the Design of Fast-Settling Amplifiers for Biosignal Detection

  • Eduardo Alonso Rivas,
  • Graziella Scandurra,
  • Carmine Ciofi,
  • Carlos Rodríguez-Morcillo García  and
  • Romano Giannetti

28 October 2021

The most common method used to pick up biomedical signals is through metallic electrodes coupled to the input of high-gain, low-noise amplifiers. Unfortunately, electrodes, amongst other effects, introduce an undesired contact resistance and a contac...

  • Article
  • Open Access
1,920 Views
22 Pages

Association Between B-Cell Marker Expression and RUNX1 Lesions in Acute Myeloid Leukemia, Beyond RUNX1::RUNX1T1 Fusion: Diagnostic Pitfalls with Mixed-Phenotype Acute Leukemia—B/Myeloid

  • Giby V. George,
  • Malgorzata Kajstura,
  • Audrey N. Jajosky,
  • Hong Fang,
  • Fatima Zahra Jelloul,
  • Andrew G. Evans,
  • W. Richard Burack,
  • John M. Bennett,
  • L. Jeffrey Medeiros and
  • Siba El Hussein

18 April 2025

Acute myeloid leukemia (AML) with RUNX1::RUNX1T1 fusion is well known to often demonstrate aberrant upregulation of CD19 expression. We studied the clinicopathologic and genetic features of 16 cases of AML with various RUNX1 lesions, including mutati...

  • Article
  • Open Access
15 Citations
2,825 Views
20 Pages

A Digital Twinning Approach for the Internet of Unmanned Electric Vehicles (IoUEVs) in the Metaverse

  • Mohsen Ebadpour,
  • Mohammad (Behdad) Jamshidi,
  • Jakub Talla,
  • Hamed Hashemi-Dezaki and
  • Zdeněk Peroutka

Regarding the importance of the Internet of Things (IoT) and the Metaverse as two practical emerging technologies to enhance the digitalization of public transportation systems, this article introduces an approach for the improvement of IoT and unman...

  • Article
  • Open Access
32 Citations
8,302 Views
17 Pages

Super-Twisting Differentiator-Based High Order Sliding Mode Voltage Control Design for DC-DC Buck Converters

  • Yigeng Huangfu,
  • Shengrong Zhuo,
  • Akshay Kumar Rathore,
  • Elena Breaz,
  • Babak Nahid-Mobarakeh and
  • Fei Gao

28 June 2016

This paper aims to focus on the smooth output of DC-DC buck converters in wireless power transfer systems under input perturbations and load disturbances using the high-order sliding mode controller (HOSM) and HOSM with super-twisting differentiator...

  • Article
  • Open Access
829 Views
20 Pages

A New Current Differential Protection Scheme for DC Multi-Infeed Systems

  • Jianling Liao,
  • Wei Yuan,
  • Jia Zou,
  • Feng Zhao,
  • Xu Zhang and
  • Yankui Zhang

18 August 2025

To meet the demands of deep grid integration of renewable energy and long-distance power transmission, this paper presents a hybrid multi-infeed DC system architecture that includes an AC power source (AC), a voltage source converter (VSC), and a mod...

  • Article
  • Open Access
3 Citations
2,848 Views
16 Pages

The Unfolded Protein Response Sensor IRE1 Regulates Activation of In Vitro Differentiated Type 1 Conventional DCs with Viral Stimuli

  • Bernardita Medel,
  • José Ignacio Bernales,
  • Alonso Lira,
  • Dominique Fernández,
  • Takao Iwawaki,
  • Pablo Vargas and
  • Fabiola Osorio

Type 1 conventional dendritic cells (cDC1s) are leukocytes competent to coordinate antiviral immunity, and thus, the intracellular mechanisms controlling cDC1 function are a matter of intense research. The unfolded protein response (UPR) sensor IRE1...

  • Feature Paper
  • Review
  • Open Access
3 Citations
2,468 Views
32 Pages

Switched-mode power supplies (SMPSs) are single-switch, two-state, dc/dc power electronic converters and can be generally classified into buck, boost, and buck–boost converters according to voltage transfer functions. There are more than 33 SMP...

  • Article
  • Open Access
7 Citations
5,399 Views
24 Pages

Differential Activation of Splenic cDC1 and cDC2 Cell Subsets following Poxvirus Infection of BALB/c and C57BL/6 Mice

  • Lidia Szulc-Dąbrowska,
  • Zuzanna Biernacka,
  • Michał Koper,
  • Justyna Struzik,
  • Małgorzata Gieryńska,
  • Ada Schollenberger,
  • Iwona Lasocka and
  • Felix N. Toka

20 December 2023

Conventional dendritic cells (cDCs) are innate immune cells that play a pivotal role in inducing antiviral adaptive immune responses due to their extraordinary ability to prime and polarize naïve T cells into different effector T helper (Th) sub...

  • Article
  • Open Access
1,529 Views
20 Pages

Sample Voltage Dead-Beat Control Based on Differentiative Voltage Prediction and Switching-Cycle Extension for DC-DC Converters

  • Qidong Li,
  • Desheng Zhang,
  • Liying Zhu,
  • Wenjia Zhang,
  • Run Min,
  • Qiao Zhang and
  • Qiaoling Tong

In this paper, a sample voltage dead-beat control based on differentiative voltage prediction (DVP) and switching-cycle extension (SCE) is presented to achieve optimal transient response for DC-DC converters under discontinuous conduction mode (DCM)...

  • Article
  • Open Access
18 Citations
5,159 Views
16 Pages

5 November 2019

Toxoplasma gondii is an intracellular parasite that infects humans and other warm-blooded animals. Exosomes are endocytic-derived vesicles released by cells, representing an important mode of intercellular communication. In exosomes, specific molecul...

  • Article
  • Open Access
1,122 Views
12 Pages

29 March 2025

This paper presents a low-power photoplethysmography (PPG) readout system designed for wearable health monitoring. The system employs a differential current mirror (DCM) to convert single-ended PPG currents into differential voltages, inherently supp...

  • Article
  • Open Access
16 Citations
5,867 Views
16 Pages

Baccharis trimera (Less.) DC Exhibits an Anti-Adipogenic Effect by Inhibiting the Expression of Proteins Involved in Adipocyte Differentiation

  • Daniele De Souza Marinho do Nascimento,
  • Ruth Medeiros Oliveira,
  • Rafael Barros Gomes Camara,
  • Dayanne Lopes Gomes,
  • Jessika Fernanda Santiago Monte,
  • Mariana Santana Santos Pereira Costa,
  • Júlia Moraes Fernandes,
  • Silvana Maria Zucolotto Langassner and
  • Hugo Alexandre Oliveira Rocha

Baccharis trimera (Less.) DC (gorse) is a plant popularly used for the treatment of obesity. In this study, we prepared three B. trimera extracts aqueous extract (AE), decoction (AE-D), and methanol extract (ME) and investigated their antioxidant eff...

  • Article
  • Open Access
14 Citations
3,672 Views
15 Pages

18 July 2021

A fault diagnosis system with the ability to recognize many different faults obviously has a certain complexity. Therefore, improving the performance of similar systems has attracted much research interest. This article proposes a system of feature r...

  • Article
  • Open Access
3 Citations
5,763 Views
23 Pages

AC and DC Differential Bridge Structure Suitable for Electrochemical Interfacial Capacitance Biosensing Applications

  • Sara Neshani,
  • Charles K. A. Nyamekye,
  • Scott Melvin,
  • Emily A. Smith,
  • Degang J. Chen and
  • Nathan M. Neihart

22 March 2020

This paper presents a capacitive differential bridge structure with both AC and DC excitation and balancing capability for low cost electrode-solution interfacial capacitance biosensing applications. The proposed series RC balancing structure offers...

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