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Guest Editorial Biomedical and Health Informatics Special Section 特邀编辑生物医学和卫生信息学专区
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-10-03 DOI: 10.1109/TNB.2023.3316486
Xiaohua Hu
Integrating nanotechnology with biomedical and health informatics could advance the understanding of human disease and help medical and healthcare professionals to make better diagnosis decisions and design better treatments. In this Biomedical and Health Informatics Special Section, we have selected six articles to report some of the latest developments in this area.
将纳米技术与生物医学和健康信息学相结合可以促进对人类疾病的了解,并帮助医疗和保健专业人员做出更好的诊断决定和设计更好的治疗方法。在这个生物医学和健康信息学专题中,我们选择了六篇文章来报道这一领域的一些最新进展。
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引用次数: 0
Guest Editorial Bioinformatics and Computational Biology Special Section 特邀编辑生物信息学与计算生物学专区
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-10-03 DOI: 10.1109/TNB.2023.3316485
Xiaohua Hu
In recent years, we have witnessed many successful applications of bioinformatics and computational biology methods in the field of Bionano to help us understand the biological system in the nanoscale, such as the BioNano nextgeneration mapping system to enhance the performance of physical map construction. Bioinformatics and computational tools and methods are essential to assemble, process, and analyze vast amounts of high-throughput datasets. In this Bioinformatics and Computational Biology Special Section, we have eight papers to reflect the latest developments and research in this exciting area.
近年来,我们见证了生物信息学和计算生物学方法在生物纳米领域的许多成功应用,以帮助我们了解纳米尺度的生物系统,例如生物纳米下一代绘图系统,以提高物理地图构建的性能。生物信息学和计算工具和方法对于组装、处理和分析大量高通量数据集至关重要。在这个生物信息学和计算生物学特别部分,我们有八篇论文来反映这个令人兴奋的领域的最新发展和研究。
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引用次数: 0
Honeycomb-Patterned Graphene Microelectrodes: A Promising Approach for Safe and Effective Retinal Stimulation Based on Electro–Thermo–Mechanical Modeling and Simulation 蜂窝图案石墨烯微电极:一种基于电-热-机械建模和仿真的安全有效的视网膜刺激方法。
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-09-25 DOI: 10.1109/TNB.2023.3319084
Sharique Ali Asghar;Manjunatha Mahadevappa
The main objective of the present study is to use graphene as electrode neural interface material to design novel microelectrodes topology for retinal prosthesis and investigate device operation safety based on the computational framework. The study’s first part establishes the electrode material selection based on electrochemical impedance and the equivalent circuit model. The second part of the study is modeling at the microelectrode-tissue level to investigate the potential distribution, generated resistive heat dissipation, and thermally induced stress in the tissue due to electrical stimulation. The formulation of Joule heating and thermal expansion between microelectrode-tissue-interface employing finite element method modeling is based on the three coupled equations, specifically Ohm’s law, Navier’s equation, and Fourier equation. Electrochemical simulation results of electrode material reveal that single-layer and few-layer graphene-based microelectrode has a specific impedance in the range of 0.02- $0.05 Omega text{m}^{{{2}}}$ , comparable to platinum counterparts. The microelectrode of $10 mu text{m}$ size can stimulate retinal tissue with a threshold current in the range of 8.7- $45 mu text{A}$ . Such stimulation with the observed microelectrode size indicates that both microelectrodes and retinal tissue stay structurally intact, and the device is thermally and mechanically stable, functioning within the safety limit. The results reveal the viability of high-density graphene-based microelectrodes for improved interface as stimulating electrodes to acquire higher visual acuity. Furthermore, the novel microelectrodes design configuration in the honeycomb pattern gives the retinal tissue non-invasive heating and minimal stress upon electrical stimulation. Thus, it paves the path to designing a graphene-based microelectrode array for retinal prosthesis for further in vitro or in vivo studies.
本研究的主要目的是使用石墨烯作为电极-神经界面材料,设计用于视网膜假体的新型微电极拓扑结构,并基于计算框架研究装置的操作安全性。研究的第一部分建立了基于电化学阻抗和等效电路模型的电极材料选择。该研究的第二部分是在微电极组织水平上建模,以研究电位分布、产生的电阻散热以及电刺激引起的组织中的热诱导应力。采用有限元法建模微电极-组织界面之间的焦耳加热和热膨胀的公式是基于三个耦合方程,特别是欧姆定律、纳维尔方程和傅立叶方程。电极材料的电化学模拟结果表明,单层和少层石墨烯基微电极的比阻抗在0.02-0.05Ωm2范围内,与铂电极相当。10μm大小的微电极可以刺激视网膜组织,阈值电流范围为8.7-45μa。用观察到的微电极大小进行的这种刺激表明微电极和视网膜组织在结构上保持完整,并且该装置在热和机械上稳定,在安全限度内发挥作用。结果表明,高密度石墨烯基微电极作为刺激电极改善界面以获得更高的视力是可行的。此外,蜂窝图案中的新型微电极设计配置为视网膜组织提供了无创加热和最小的电刺激应力。因此,它为设计用于视网膜假体的石墨烯基微电极阵列以进行进一步的体外或体内研究铺平了道路。
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引用次数: 0
DNA Sequences Under Multiple Guanine–Cytosine (GC) Base Pairs Constraint 多个鸟嘌呤-胞嘧啶(GC)碱基对约束下的DNA序列。
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-09-18 DOI: 10.1109/TNB.2023.3316431
Xuwei Yang;Changjun Zhou
DNA computing is a new computing method that has high efficiency in solving large-scale nonlinear and Non-deterministic Polynomial complete problems. The design of DNA sequences is an important step in DNA computing, and the quality of the DNA sequences directly affects the accuracy of DNA computing results. Efficiently designing high-quality DNA sequences is currently a significant challenge. In order to improve the efficiency of DNA sequence design, a sparrow evolutionary search algorithm (SESA) is proposed by us. It inherits the fast convergence of the sparrow search algorithm and avoids the situation that the sparrow search algorithm is prone to fall into a local optimum, which greatly improves the search performance of the algorithm on discrete numerical problems. In order to improve the quality of DNA sequence, a new constraint, multiple GC constraint, has been proposed in this paper. Simulated experiments in NUPACK show that this constraint can greatly improve the quality of the DNA sequences designed by us. Compared with previous results, our DNA sequences have better stability.
DNA计算是一种新的计算方法,在求解大规模非线性和非确定性多项式完全问题时具有很高的效率。DNA序列的设计是DNA计算的重要步骤,DNA序列的质量直接影响DNA计算结果的准确性。高效设计高质量的DNA序列目前是一项重大挑战。为了提高DNA序列设计的效率,我们提出了一种麻雀进化搜索算法(SESA),它继承了麻雀搜索算法的快速收敛性,避免了麻雀搜索容易陷入局部最优的情况,大大提高了算法在离散数值问题上的搜索性能。为了提高DNA序列的质量,本文提出了一种新的约束条件——多重GC约束。在NUPACK中的模拟实验表明,这种约束可以大大提高我们设计的DNA序列的质量。与以前的结果相比,我们的DNA序列具有更好的稳定性。
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引用次数: 0
Identification and Measurement of Biomarkers at Single Microorganism Level for In Situ Monitoring Deep Ultraviolet Disinfection Process 识别和测量单个微生物水平的生物标志物,用于现场监测深层紫外线消毒过程。
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-09-07 DOI: 10.1109/TNB.2023.3312754
Yuxuan Xue;Ye Ma;Zhiyong Sun;Xinyu Liu;Mukun Zhang;Jiawei Zhang;Ning Xi
Since the COVID-19 disease has been further aggravated, the prevention of pathogen transmission becomes a vital issue to restrain casualties. Recent research outcomes have shown the possibilities of the viruses existing on inanimate surfaces up to few days, which carry the risk of touch propagation of the disease. Deep ultraviolet germicide irradiation (UVGI) with the wavelength of 255–280nm has been verified to efficiently disinfect various types of bacteria and virus, which could prevent the aggravation of pandemic spread. Even though considerable experiments and approaches have been applied to evaluate the disinfection effects, there are only few reports about how the individual bio-organism behaves after ultraviolet C (UVC) irradiation, especially in the aspect of mechanical changes. Furthermore, since the standard pathway of virus transmission and reproduction requires the host cell to assemble and transport newly generated virus, the dynamic response of infectious cell is always the vital aspect of virology study. In this work, high power LEDs array has been established with 270nm UVC irradiation to evaluate disinfection capability on various types of bio-organism, and incubator embedded atomic force microscopy (AFM) is used to investigate the single bacterium and virus under UVGI. The real-time tracking of the living Vero cells infected with adenovirus has also been presented in this study. The results show that after sufficient UVGI, the outer shell of bacteria and viruses remain intact in structure, however the bio-organisms lost the capability of reproduction and normal metabolism. The experiment results also indicate that once the host cell is infected with adenovirus, the rapid production of newborn virus capsid will gradually destroy the cellular normal metabolism and lose mechanical integrity.
由于 COVID-19 病情进一步恶化,预防病原体传播成为减少人员伤亡的关键问题。最近的研究结果表明,病毒有可能在无生命的物体表面存在长达数天的时间,这就带来了接触传播疾病的风险。波长为 255-280 纳米的深紫外线杀菌照射(UVGI)已被证实能有效消毒各种细菌和病毒,从而防止大流行病传播的加剧。尽管已有大量实验和方法用于评估消毒效果,但关于紫外线 C(UVC)照射后生物个体的表现,尤其是机械变化方面的报告却寥寥无几。此外,由于病毒传播和繁殖的标准途径需要宿主细胞组装和运输新产生的病毒,因此感染细胞的动态反应一直是病毒学研究的重要方面。在这项工作中,利用 270nm 紫外光照射建立了高功率 LED 阵列,以评估对各类生物的消毒能力,并使用培养箱嵌入式原子力显微镜(AFM)来研究紫外光照射下的单个细菌和病毒。本研究还对感染腺病毒的活体 Vero 细胞进行了实时跟踪。结果表明,经过充分紫外光照射后,细菌和病毒的外壳结构保持完好,但生物体失去了繁殖和正常新陈代谢的能力。实验结果还表明,宿主细胞一旦感染腺病毒,新生病毒壳的快速生成会逐渐破坏细胞的正常新陈代谢,并失去机械完整性。
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引用次数: 0
PCF Based Four-Channel SPR Biosensor With Wide Sensing Range 传感范围广的基于 PCF 的四通道 SPR 生物传感器
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-09-04 DOI: 10.1109/TNB.2023.3311611
Md. Shahedul Hasan;Md. Anas Ebna Kalam;Mohammad Faisal
In this article, we have demonstrated a highly sensitive four-channel photonic crystal fiber (PCF) based surface plasmon resonance (SPR) biosensor which can detect four different analytes simultaneously. To ease practical implementation, four analyte sensing layers and plasmonic materials such as gold (Au) and gold (Au) with Tantalum Pentoxide (Ta2O5) are placed on the exterior of the four arms of the square shaped structure. The sensor’s structure consists of only nine circular air holes, making it simple and easy to fabricate using currently available technologies. Finite element method (FEM) based numerical analysis is used to evaluate the sensing performance of the proposed sensor. With optimum structure parameters, the sensor achieves maximum wavelength sensitivity of 11000, 25000, 11000 and 25000 nm/RIU for Channel-1, Channel-2, Channel-3, and Channel-4 respectively. It shows maximum amplitude sensitivity of 803.732, 709.171, 803.827, 709.146 RIU $^{-{1}}$ for Channel 1, 2, 3, and 4 respectively. It also shows maximum FOM of 232.55, 352.36, 231.57, 352.36 RIU $^{-{1}}$ in Ch-1, Ch-2, Ch-3 and Ch-4 respectively. Moreover, the proposed sensor shows a wide range of refractive index sensing capability from 1.30 to 1.41. Due to multi-analyte detection capability, large sensing range, and excellent sensitivity the proposed sensor unfolds unrivalled capacity of detecting chemicals, carcinogenic agents, biomolecules, and other analytes.
本文展示了一种基于光子晶体光纤(PCF)的高灵敏度四通道表面等离子体共振(SPR)生物传感器,可同时检测四种不同的分析物。为了便于实际应用,在方形结构的四个臂的外部放置了四个分析物传感层和等离子材料,如金(Au)和金(Au)与五氧化二钽(Ta2O5)。该传感器的结构仅由九个圆形气孔组成,因此利用现有技术制造起来既简单又容易。基于有限元法(FEM)的数值分析用于评估拟议传感器的传感性能。在结构参数最优化的情况下,传感器通道-1、通道-2、通道-3 和通道-4 的最大波长灵敏度分别为 11000、25000、11000 和 25000 nm/RIU。通道 1、通道 2、通道 3 和通道 4 的最大振幅灵敏度分别为 803.732、709.171、803.827 和 709.146 RIU-1。它还显示,通道 1、通道 2、通道 3 和通道 4 的最大 FOM 分别为 232.55、352.36、231.57、352.36 RIU-1。此外,所提出的传感器还具有从 1.30 到 1.41 的广泛折射率感应能力。由于具有多种分析物的检测能力、较大的感应范围和出色的灵敏度,该传感器在检测化学物质、致癌物质、生物大分子和其他分析物方面具有无与伦比的能力。
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引用次数: 0
A Novel Algorithm for Solving the Prize Collecting Traveling Salesman Problem Based on DNA Computing 基于DNA计算的解决领奖旅行推销员问题的新算法。
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-08-22 DOI: 10.1109/TNB.2023.3307458
Zhao-Cai Wang;Kun Liang;Xiao-Guang Bao;Tun-Hua Wu
DNA computing is a new pattern of computing that combines biotechnology and information technology. As a new technology born in less than three decades, it has developed at an extremely rapid rate, which can be attributed to its advantages, including high parallelism, powerful data storage capacity, and low power consumption. Nowadays, DNA computing has become one of the most popular research fields worldwide and has been effective in solving certain combinatorial optimization problems. In this study, we use the Adleman-Lipton model based on DNA computing for solving the Prize Collecting Traveling Salesman Problem (PCTSP) and demonstrate the feasibility of this model. Then, we design a simulation experiment of the model to solve some open instances of PCTSP. The results illustrate that the model can satisfactorily solve these instances. Finally, the comparison with the results of the Clustering Search algorithm and the Greedy Stochastic Adaptive Search Procedure/Variable Neighborhood Search method reveals that the optimal solutions obtained by this simulation experiment are significantly superior to those of the other two algorithms in all instances. This research also provides a method for proficiently solving additional combinatorial optimization problems.
DNA 计算是生物技术与信息技术相结合的一种新型计算模式。作为一项诞生不到三十年的新技术,它的发展速度极为迅猛,这得益于它具有高并行性、强大的数据存储能力和低功耗等优势。如今,DNA 计算已成为全球最热门的研究领域之一,并在解决某些组合优化问题方面卓有成效。在本研究中,我们使用基于 DNA 计算的 Adleman-Lipton 模型来解决有奖旅行推销员问题(PCTSP),并证明了该模型的可行性。然后,我们设计了该模型的仿真实验,以解决 PCTSP 的一些开放实例。结果表明,该模型能令人满意地解决这些实例。最后,通过与聚类搜索算法和贪婪随机自适应搜索程序/可变邻域搜索法的结果进行比较,发现该仿真实验所获得的最优解在所有实例中都明显优于其他两种算法。这项研究还为熟练解决其他组合优化问题提供了一种方法。
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引用次数: 0
Ultracompact Lab-on-a-Chip Device for Surface-Enhanced Coherent Anti-Stokes Raman Scattering 用于表面增强相干反斯托克斯拉曼散射的超小型片上实验室设备。
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-08-16 DOI: 10.1109/TNB.2023.3304601
Hamed Pezeshki
This paper introduces an ultracompact lab-on-a-chip device with a size of $8times 0.8~mu text{m}^{mathrm{ 2}}$ for surface-enhanced coherent anti-Stokes Raman scattering. This device comprises of a unique hybrid plasmonic-photonic vertical coupler, for light-coupling between the device and a light source, and a heptamer plasmonic nanotweezer for trapping and manipulation of nanoparticles. The coupler with its nanoscale size of $0.73times 0.8~mu text{m}^{mathrm{ 2}}$ offers maximum coupling efficiency and directivity of −4.2 dB and 17.8 dB with a 3 dB bandwidth across the wavelength range of $sim {1} - {1}.{13} , mu text{m}$ . Based on a finite element method, it is theoretically shown that the tear-drop based nanotweezer can empower the device to yield a very high Raman gain of $geq {10}^{{17}}$ , making the detection at the single-molecule level possible. The proposed device can exhibit low damage to bioparticles through the use of near infrared wavelengths range with lower energy photons. Due to its short optical path, this device is expected to improve the Raman signal to noise ratio by reducing the level of background in-coherent Raman signals. Finally, thanks to its configuration, this device can enable the creation of parallel measurement channels, paving the way toward the development of high-throughput and mass-produced biosensors.
本文介绍了一种用于表面增强相干反斯托克斯拉曼散射的超小型片上实验室设备,其尺寸为 8 × 0.8 μm2。该装置包括一个独特的混合质子光子垂直耦合器(用于装置与光源之间的光耦合)和一个七聚体质子纳米镊子(用于捕获和操纵纳米粒子)。耦合器的纳米尺寸为 0.73 × 0.8 μm2,在 ~ 1 - 1.13 μm 波长范围内的最大耦合效率和指向性分别为 -4.2 dB 和 17.8 dB,带宽为 3 dB。基于有限元法的理论表明,基于泪滴的纳米镊子可使器件产生≥ 1017 的超高拉曼增益,从而使单分子水平的探测成为可能。通过使用能量较低的光子的近红外波长范围,拟议的装置对生物颗粒的损害较小。由于光路较短,该设备有望通过降低背景相干拉曼信号的水平来提高拉曼信噪比。最后,得益于其配置,该设备可以创建并行测量通道,为开发高通量和批量生产的生物传感器铺平道路。
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引用次数: 0
DNA Encoding-Based Nucleotide Pattern and Deep Features for Instance and Class-Based Image Retrieval 基于 DNA 编码的核苷酸模式和深度特征,用于基于实例和类别的图像检索。
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-08-11 DOI: 10.1109/TNB.2023.3303512
Jitesh Pradhan;Arup Kumar Pal;Sk Hafizul Islam;Chiranjeev Bhaya
Recently, DNA encoding has shown its potential to store the vital information of the image in the form of nucleotides, namely ${A}, {C}, {T}$ , and ${G}$ , with the entire sequence following run-length and GC-constraint. As a result, the encoded DNA planes contain unique nucleotide strings, giving more salient image information using less storage. In this paper, the advantages of DNA encoding have been inherited to uplift the retrieval accuracy of the content-based image retrieval (CBIR) system. Initially, the most significant bit-plane-based DNA encoding scheme has been suggested to generate DNA planes from a given image. The generated DNA planes of the image efficiently capture the salient visual information in a compact form. Subsequently, the encoded DNA planes have been utilized for nucleotide patterns-based feature extraction and image retrieval. Simultaneously, the translated and amplified encoded DNA planes have also been deployed on different deep learning architectures like ResNet-50, VGG-16, VGG-19, and Inception V3 to perform classification-based image retrieval. The performance of the proposed system has been evaluated using two corals, an object, and a medical image dataset. All these datasets contain 28,200 images belonging to 134 different classes. The experimental results confirm that the proposed scheme achieves perceptible improvements compared with other state-of-the-art methods.
最近,DNA 编码显示了其潜力,它能以核苷酸(即 A、C、T 和 G)的形式存储图像的重要信息,整个序列遵循运行长度和 GC 限制。因此,编码后的 DNA 平面包含独特的核苷酸字符串,用更少的存储空间提供更多突出的图像信息。本文继承了 DNA 编码的优点,以提高基于内容的图像检索(CBIR)系统的检索精度。最初,我们提出了一种最重要的基于位平面的 DNA 编码方案,用于从给定图像生成 DNA 平面。生成的图像 DNA 平面能以紧凑的形式有效捕捉到突出的视觉信息。随后,编码后的 DNA 平面被用于基于核苷酸模式的特征提取和图像检索。同时,经过翻译和放大的编码 DNA 平面还被部署在不同的深度学习架构上,如 ResNet-50、VGG-16、VGG-19 和 Inception V3,以执行基于分类的图像检索。我们使用两个珊瑚、一个物体和一个医学图像数据集对所提议系统的性能进行了评估。所有这些数据集包含属于 134 个不同类别的 28 200 张图像。实验结果证实,与其他最先进的方法相比,所提出的方案实现了可感知的改进。
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引用次数: 0
Plasmonic Optical Fiber Based Continuous in-Vivo Glucose Monitoring for ICU/CCU Setup 用于重症监护室/儿童重症监护室设置的基于等离子光纤的连续活体血糖监测。
IF 3.9 4区 生物学 Q1 BIOCHEMICAL RESEARCH METHODS Pub Date : 2023-08-07 DOI: 10.1109/TNB.2023.3303345
Souvik Kundu;Shawana Tabassum;Ritwesh A. Kumar;E. Dale Abel;Ratnesh Kumar
This paper reports a sensor architecture for continuous monitoring of biomarkers directly in the blood, especially for ICU/CCU patients requiring critical care and rapid biomarker measurement. The sensor is based on a simple optical fiber that can be inserted through a catheter into the bloodstream, wherein gold nanoparticles are attached at its far distal end as a plasmonic material for highly sensitive opto-chemical sensing of target biomolecules (glucose in our application) via the excitation of surface plasmon polaritons. For specificity, the nanoparticles are functionalized with a specific receptor enzyme that enables the localized surface plasmon resonance (LSPR)-based targeted bio-sensing. Further, a micro dialysis probe is introduced in the proposed architecture, which facilitates continuous monitoring for an extended period without fouling the sensor surface with cells and blood debris present in whole blood, leading to prolonged enhanced sensitivity and limit of detection, relative to existing state-of-the-art continuous monitoring devices that can conduct direct measurements in blood. To establish this proof-of-concept, we tested the sensor device to monitor glucose in-vivo involving an animal model, where continuous monitoring was done directly in the circulation of living rats. The sensor’s sensitivity to glucose was found to be 0.0354 a.u./mg.dl−1 with a detection limit of 50.89 mg/dl.
本文报告了一种可直接连续监测血液中生物标志物的传感器结构,尤其适用于需要重症监护和快速生物标志物测量的重症监护室/重症监护病房病人。该传感器基于一根简单的光纤,可通过导管插入血液,在其远端连接金纳米粒子作为质子材料,通过激发表面等离子体极化子对目标生物大分子(在我们的应用中为葡萄糖)进行高灵敏度的光化学传感。为了实现特异性,纳米粒子被一种特定的受体酶功能化,从而实现了基于局部表面等离子体共振(LSPR)的靶向生物传感。此外,拟议的结构中还引入了微透析探针,这有利于长时间连续监测,而不会使传感器表面受到全血中存在的细胞和血液碎片的污染,从而延长了灵敏度,提高了检测限,而现有的最先进的连续监测设备可以直接在血液中进行测量。为了验证这一概念,我们在动物模型中测试了传感器设备对葡萄糖的体内监测,在活体大鼠的血液循环中直接进行连续监测。结果发现,传感器对葡萄糖的灵敏度为 0.0354 a.u./mg.dl-1,检测限为 50.89 mg/dl。
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引用次数: 0
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IEEE Transactions on NanoBioscience
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