生物通

基于XGBoost回归与堆叠集成学习的Al2O3栅极ISFET pH预测精度提升研究

本研究针对ISFET（离子敏感场效应晶体管）在pH检测中受温度、掺杂浓度等因素干扰导致精度下降的问题，通过构建Al2O3栅极ISFET数值模型，结合XGBoost回归与贝叶斯优化（BO）超参数调优，并采用堆叠集成学习（SEL）方法，最终实现R2=0.9846的高精度预测，为生物 ...
腾讯网

机器视觉之后，我们终于迎来了“机器味觉”

几十年来，食品和饮料行业一直在寻找一种能以量产速度和规模进行自动化“口味测试”的方法，但始终未能取得突破。然而，在一项新研究中，针对一种很有前景的化学传感器，研究人员利用机器学习克服了它的局限性。这意味着在不久的将来，也许机器舌头 ...
idw

ISFET-based pH sensor control successfully miniaturized and optimized for easy use

The Fraunhofer-Institute for Photonic Microsystems IPMS has achieved another milestone in chemical liquid analysis. The electronics required to control the ion-sensitive field effect transistors ...
Phys.org

Chip makes pH measurements easier and devices more robust and portable

ISFET-REFET-Chip, 5x5 mm². Credit: Fraunhofer IPMS Fraunhofer Institute for Photonic Microsystems IPMS has developed a new technology that makes pH measurements significantly more robust, simple, and ...
Design-Reuse

Simulation of FDSOI-ISFET with Tunable Sensitivity by Temperature and Dual-Gate Structure

This work investigates the different sensitivities of an ion-sensitive field-effect transistor (ISFET) based on fully depleted silicon-on-insulator (FDSOI). Using computer-aided design (TCAD) tools, ...
TechRepublic

ISFET Characterization Using Constant Voltage Constant Current Readout Circuit

In this paper, the authors present a constant voltage constant current readout circuit for Ion-Sensitive Field-Effect Transistor (ISFET). The study and investigation of ISFET performance using linear ...