What is the current threshold of Carbon Nanotube-Based Biosensors?
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The current threshold of Carbon Nanotube-Based Biosensors varies depending on the specific type and design. Liquid-gated carbon nanotube field-effect transistors (LG-CNTFETs) have shown an average threshold voltage (Vth) ranging from 0.19 to 0.46 V for different KCl concentrations . On the other hand, highly uniform carbon nanotube thin-film transistors (CNT-TFTs) achieved an impressive standard deviation of threshold voltage (Vth) as small as 0.04, indicating high stability and uniformity . Additionally, horizontally aligned single-walled carbon nanotube field-effect transistors (FETs) demonstrated real-time detection of prostate-specific antigen (PSA) with a limit of detection (LOD) of 84 pM, showcasing their sensitivity and quantitative detection capabilities . These diverse types of Carbon Nanotube-Based Biosensors exhibit varying thresholds, highlighting their versatility and potential in biosensing applications.
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| Papers (4) | Insight |
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6 Citations | The threshold voltage of Carbon Nanotube-Based Biosensors is highly uniform, with a standard deviation as small as 0.04, ensuring accurate detection of 5-hydroxymethyl cytosine (5-hmC) in DNA. |
| Carbon nanotube-based biosensors offer ultra-sensitivity and low-noise detection, enabling immediate analyte determination even at low concentrations, such as in early infection stages. | |
| The current threshold of Carbon Nanotube-Based Biosensors for protein detection is 84 pM, surpassing the clinically relevant level of 133 pM for prostate-specific antigen (PSA) detection. | |
| Not addressed in the paper. |
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