Nano sense-TFET: HJ-DGVTFET based salivary and serum CerbB-2 biomarker detection for breast cancer

IF 4.6 2区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY
Karthik Nasani , Brinda Bhowmick , Puspa Devi Pukhrambam , Puja Ghosh
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Abstract

Breast cancer is a prevalent and potentially life-threatening disease, emphasizing the importance of early detection and monitoring. A key target for the identification of diagnostic bioanalytes is the CerbB-2 bioanalyte (BA), whose overexpression has been linked to aggressive types of breast cancer. In this study, a highly sensitive biosensor based on an In1−xGaxAs/InP heterojunction Dual Gate Vertical tunnel FET (HJ-DGVTFET) is used to detect the breast cancer bioanalyte, CerbB-2, electrically in serum or saliva. In this work, interface charge modulation effect in HJ-DGVTFETs with integrated nano compatibility biosensors is considered for reliable, precise, and fast recognition of antigens in body fluids using blood serum rather than saliva. The suggested biosensor has a double cavity etched under the double gate structure to immobilize bioanalyte. This enhances the bioanalyte influence on the source-channel tunnelling rate and the electrical parameters of the suggested biosensor. Device sensitivity has been examined for various CerbB-2 concentrations in blood and saliva environments. According to our research, an III-V In1−xGaxAs/InP hetero junction with mole fraction x factor of 0.47 increases the likelihood of tunnelling. It enhances gate control on channel to get a higher sensitivity and ION/IOFF ratio.

Abstract Image

基于HJ-DGVTFET的乳腺癌唾液和血清CerbB-2生物标志物检测
乳腺癌是一种普遍存在且可能危及生命的疾病,因此强调了早期发现和监测的重要性。鉴定诊断性生物分析物的关键目标是CerbB-2生物分析物(BA),其过表达与侵袭性乳腺癌有关。在这项研究中,基于In1−xGaxAs/InP异质结双栅垂直隧道FET (HJ-DGVTFET)的高灵敏度生物传感器被用于检测血清或唾液中的乳腺癌生物分析物CerbB-2。在这项工作中,考虑了集成纳米相容性生物传感器的hj - dgvtfet的界面电荷调制效应,使用血清而不是唾液来可靠、精确和快速地识别体液中的抗原。所建议的生物传感器具有在双栅结构下蚀刻的双腔以固定生物分析物。这增强了生物分析物对源通道隧穿速率和所建议的生物传感器的电参数的影响。该装置对血液和唾液环境中各种CerbB-2浓度的敏感性进行了检测。根据我们的研究,当摩尔分数x因子为0.47时,III-V In1−xGaxAs/InP异质结增加了隧穿的可能性。它增强了对通道的栅极控制,以获得更高的灵敏度和离子/IOFF比。
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来源期刊
Chinese Journal of Physics
Chinese Journal of Physics 物理-物理:综合
CiteScore
8.50
自引率
10.00%
发文量
361
审稿时长
44 days
期刊介绍: The Chinese Journal of Physics publishes important advances in various branches in physics, including statistical and biophysical physics, condensed matter physics, atomic/molecular physics, optics, particle physics and nuclear physics. The editors welcome manuscripts on: -General Physics: Statistical and Quantum Mechanics, etc.- Gravitation and Astrophysics- Elementary Particles and Fields- Nuclear Physics- Atomic, Molecular, and Optical Physics- Quantum Information and Quantum Computation- Fluid Dynamics, Nonlinear Dynamics, Chaos, and Complex Networks- Plasma and Beam Physics- Condensed Matter: Structure, etc.- Condensed Matter: Electronic Properties, etc.- Polymer, Soft Matter, Biological, and Interdisciplinary Physics. CJP publishes regular research papers, feature articles and review papers.
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