Dielectrophoresis-assisted 65-GHz LC-oscillator array CMOS chips for label-free and sensitive detection of microorganism cells

Dielectrophoresis-assisted 65-GHz LC-oscillator array CMOS chips for label-free and sensitive detection of microorganism cells
复制标题

介电泳辅助 65 GHz LC 振荡器阵列 CMOS 芯片,用于微生物细胞的无标记灵敏检测

DOI:
10.1016/j.sna.2023.114286
复制
发表时间:
2023
期刊:
Sensors and Actuators A: Physical
影响因子:
--
通讯作者:
Ogawa Yuichi
Ogawa Yuichi
中科院分区:
--
文献类型:
--
作者:
Chen Siyao;Yamashige Yoshihisa;Mitsunaka Takeshi;Kondo Naoshi;Shiraga Keiichiro;Ogawa Yuichi

文献摘要

参考文献

相似文献

在本文中,我们提出了一种微型、灵敏、无标记的检测方法,该方法使用带有介电(DEP)辅助LC振荡器阵列的互补金属氧化物半导体芯片来检测大肠杆菌和酵母菌。芯片上的62×24个阵列传感器元件中的每一个都包含一个65 GHz的LC振荡器,该振荡器可以感知由于微生物的存在而导致的介电变化。鉴于LC振荡器的灵敏度不均匀,将制作成的放置在LC振荡器最灵敏位置的DEP电极用于采集微生物,从而提高了测量灵敏度。DEP在2 GHz以上的交流电场干扰指定附近的65 GHz LC振荡器电路。通过适当的DEP设置,每个传感器元件可以实现两个检测的极限。结肠细胞或一个酵母细胞。在微生物数量很少的情况下,定量计数达到单细胞分辨率。本研究的结果证实了DEP技术与LC振荡器阵列相结合的新方法可以实现对微生物的高灵敏度检测。此外,大规模并行测量的实现使所提出的CMOS生物传感器成为食品检测和临床诊断中快速、低成本的芯片实验室传感器的潜在候选者。
In this paper, we propose a miniature, sensitive, and label-free method for detectingEscherichia coli(E. coli) andSaccharomycescerevisiae(yeast) by using a complementary metal–oxide–semiconductor (CMOS) chip with dielectrophoresis (DEP)-assisted LC-oscillator arrays. Each of the 62 × 24 arrayed sensor elements on the CMOS chip comprises a 65-GHz LC oscillator that senses the dielectric change due to the presence of the microorganisms. Given the non-uniform sensitivity of the LC oscillator, the DEP electrodes fabricated to be placed at the most sensitive position of the LC-oscillator were used to collect microorganisms and thereby enhance the measurement sensitivity. The AC electric field of DEP above 2 MHz interferes with the 65-GHz LC oscillator circuit in the designated vicinity. With appropriate DEP settings, each sensor element can achieve a limit of detection of twoE. colicells or one yeast cell. Quantitative enumeration reaches a single-cell resolution at small microorganism numbers. The results of this study confirmed that the novel approach of combining DEP technique and LC-oscillator array can perform high-sensitivity detection of microorganisms. Further, the realization of large-scale paralleled measurement makes the proposed CMOS biosensor a potential candidate as a rapid and low-cost lab-on-a-chip sensor for food inspection and clinical diagnosis.
DOI: 10.1109/jssc.2016.2605001
发表时间: 2016-11-01
影响因子: 5.4
作者:
Mitsunaka, Takeshi;Sato, Daiki;Fujishima, Minoru
通讯作者: Fujishima, Minoru
用于磁性标签检测和分类的 CMOS 微流式细胞仪
DOI: --
发表时间: 2014
影响因子: 5.4
作者:
P. Murali;A. Niknejad;B. Boser
通讯作者: B. Boser
用于提高细胞检测灵敏度的微阻抗亲和生物传感器的生物分子兼容电模型
DOI: 10.1016/j.sna.2009.11.031
发表时间: 2010
影响因子: 4.6
作者:
C. Roychaudhuri;R. D. Das
通讯作者: R. D. Das
DOI: 10.33945/sami/ajca.2020.2.3
发表时间: 2020
期刊: --
影响因子: --
作者:
A. Ebrahimi;M. Fathipour;M. Fathollahzadeh
通讯作者: M. Fathollahzadeh
DOI: 10.3168/jds.2016-11538
发表时间: 2016-12
影响因子: 3.5
作者:
Baoqing Zhou;Bolu Chen;Xin Wu;Fan Li;Pei Yu;Zoraida P. Aguilar;Hua Wei;Hengyi Xu
通讯作者: Baoqing Zhou;Bolu Chen;Xin Wu;Fan Li;Pei Yu;Zoraida P. Aguilar;Hua Wei;Hengyi Xu