Automatic analysis of isothermal amplification via impedance time-constant-domain spectroscopy: A SARS-CoV-2 case study

RG Ramírez-Chavarría, E Castillo-Villanueva… - Chemosensors, 2023 - mdpi.com
The development of sensitive and affordable testing devices for infectious diseases is
essential to preserve public health, especially in pandemic scenarios. In this work, we have …

Time-constant-domain spectroscopy: an impedance-based method for sensing biological cells in suspension

RG Ramírez-Chavarría, C Sánchez-Pérez… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
Impedance measurement is a common technique to characterize and detect the electrical
properties of biological cells. However, to decode the underlying physical processes, it …

Data-driven modeling of impedance biosensors: a subspace approach

RG Ramírez-Chavarría, BE Alvarez-Serna… - Measurement …, 2021 - iopscience.iop.org
A data-driven scheme for modeling electrical impedance in biosensors is presented by a
subspace method working with the singular value decomposition of structured voltage and …

Parameter Estimation of the Single-Dispersion Fractional Cole-Impedance Model With the Embedded Hardware

M Simić, TJ Freeborn, M Veletić, F Seoane… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Bioimpedance modeling with equivalent electrical circuits has an important role in various
biomedical applications, as it facilitates understanding of underlying physical and …

Non-iterative parameter estimation of the 2R-1C model suitable for low-cost embedded hardware

M Simić, Z Babić, V Risojević, GM Stojanović - Frontiers of Information …, 2020 - Springer
Parameter estimation of the 2R-1C model is usually performed using iterative methods that
require high-performance processing units. Consequently, there is a strong motivation to …

Hidden Markov models: Identification, inverse filtering and applications

R Mattila - 2020 - diva-portal.org
A hidden Markov model (HMM) comprises a state with Markovian dynamics that is hidden in
the sense that it can only be observed via a noisy sensor. This thesis considers three themes …

适于低成本嵌入式硬件的2R-1C 模型非迭代参数估计

M Simić, Z Babić, V Risojević, GM Stojanović, T Non… - Frontiers, 2020 - jzus.zju.edu.cn
2R-1C 模型的参数估计常运用需要高性能处理单元的迭代方法, 从而激励我们研究更省时且更
节能的参数估计方法. 这些低复杂度的算法将更适于便携式微机设备的运行 …

Sensing micro-colloid concentration by spectral impedance measurements and relaxation times analysis

RG Ramírez-Chavarría… - 2019 IEEE Sensors …, 2019 - ieeexplore.ieee.org
This paper presents an attractive method towards sensing and quantifying the concentration
of dielectric particles suspended in a highly conductive medium. Fast electrical impedance …

ВЕСТНИК НАЦИОНАЛЬНОГО ПОЛИТЕХНИЧЕСКОГО УНИВЕРСИТЕТА АРМЕНИИ. ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ, ЭЛЕКТРОНИКА, РАДИОТЕХНИКА

ZHG DOKHOLYAN, AA Melkonyan, YK Grigoryan - ВЕСТНИК … - elibrary.ru
In biological objects, purely electronic conductivity is absent, because they are primarily
either dielectrics or solutions of electrolytes (blood, cytoplasm, various tissue fluids). A …