On-chip Detection of Single Vesicle Release from Neuroblastoma Cells using Monolithic CMOS Bioelectronics

On-chip Detection of Single Vesicle Release from Neuroblastoma Cells using Monolithic CMOS Bioelectronics
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使用单片 CMOS 生物电子学对神经母细胞瘤细胞释放的单个囊泡进行片上检测

DOI:
10.1109/embc.2018.8513219
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发表时间:
2018
期刊:
2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC
影响因子:
--
通讯作者:
Kim, Brian N.
Kim, Brian N.
中科院分区:
--
文献类型:
--
作者:
White, Kevin A.;Mulberry, Geoffrey;Sugaya, Kiminobu;Kim, Brian N.

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神经母细胞瘤细胞经常被用作研究帕金森氏症的细胞模型,帕金森氏症导致控制运动的中脑黑质多巴胺释放减少。在本文中,我们开发了一种具有时空分辨率和低噪声性能的1024-ch单片CMOS传感器阵列,用于监测神经母细胞瘤细胞的单个囊泡释放多巴胺。该CMOS器件集成了1024个片上电极,单个尺寸为15 μm × 15 μm,每个电极上有1024个透阻放大器,每个电极都能够测量亚pa电流。因此,该装置可用于在单个囊泡分辨率下研究多巴胺分泌的详细分子动力学。
Neuroblastoma cells are often used as a cell model to study Parkinson's disease, which causes reduced dopamine release in substantia nigra, the midbrain that controls movements. In this paper, we developed a 1024-ch monolithic CMOS sensor array that has the spatiotemporal resolution as well as low-noise performance to monitor single vesicle release of dopamine from neuroblastoma cells. The CMOS device integrates 1024 on-chip electrodes with an individual size of 15 μm × 15 μm and 1024 transimpedance amplifiers for each electrode, which are each capable of measuring sub-pA current. Thus, this device can be used to study the detailed molecular dynamics of dopamine secretion at single vesicle resolution.
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