首页 > 最新文献

2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)最新文献

英文 中文
Study of P300 Detection Performance by Different P300 Speller Approaches Using Electroencephalography 不同P300拼写方法的脑电图P300检测性能研究
Sergio López Bernal, Enrique Tomás Martínez Beltrán, Mario Quiles Pérez, Ruben Ortega Romero, Alberto Huertas Celdrán, G. Pérez
Brain-Computer Interfaces (BCIs) are bidirectional devices that have allowed people to control computers or external devices through their brain activity. The P300 Speller is one of the most widely used BCI applications, where subjects can transmit textual information mentally with satisfactory performance. However, the P300 Speller still has room for improvement in practical use, such as selecting the best balance between accuracy and speed. Based on a lack of literature in this direction, this study evaluates two distinct approaches to the P300 Speller. The first is based on rows and columns following the traditional implementation, while the second is based on regions, employing subsets of characters during spelling. In both approaches, the effects of two different stimulus presentation parameters (the number of repetitions per stimulus and the interval between them) on the accuracy and performance efficiency of the P300 Speller are studied. The results show that both approaches obtain similar values in terms of detection performance, obtaining around 75% F1-score for predicting a character with four series of 12 blinks per character. In addition, the region-based approach presents a more robust scheme for false predictions, maintaining a similar spelling duration. The theoretical study performed indicates that spelling a character requires around one minute.
脑机接口(bci)是一种双向设备,它允许人们通过大脑活动来控制计算机或外部设备。P300拼写器是使用最广泛的脑机接口应用程序之一,被试可以在心理上传递文本信息,并且表现令人满意。然而,P300拼写器在实际使用中仍有改进的空间,例如在准确性和速度之间选择最佳平衡。基于缺乏这方面的文献,本研究评估了P300拼写器的两种不同方法。第一个是基于传统实现的行和列,而第二个是基于区域,在拼写过程中使用字符子集。在这两种方法中,研究了两种不同的刺激呈现参数(每个刺激的重复次数和它们之间的间隔)对P300拼写准确率和表现效率的影响。结果表明,两种方法在检测性能方面获得了相似的值,在预测一个字符时获得了大约75%的f1分,每个字符有四个系列的12次眨眼。此外,基于区域的方法提供了一个更健壮的错误预测方案,保持了相似的拼写持续时间。理论研究表明,拼写一个字符大约需要一分钟。
{"title":"Study of P300 Detection Performance by Different P300 Speller Approaches Using Electroencephalography","authors":"Sergio López Bernal, Enrique Tomás Martínez Beltrán, Mario Quiles Pérez, Ruben Ortega Romero, Alberto Huertas Celdrán, G. Pérez","doi":"10.1109/ismict56646.2022.9828283","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828283","url":null,"abstract":"Brain-Computer Interfaces (BCIs) are bidirectional devices that have allowed people to control computers or external devices through their brain activity. The P300 Speller is one of the most widely used BCI applications, where subjects can transmit textual information mentally with satisfactory performance. However, the P300 Speller still has room for improvement in practical use, such as selecting the best balance between accuracy and speed. Based on a lack of literature in this direction, this study evaluates two distinct approaches to the P300 Speller. The first is based on rows and columns following the traditional implementation, while the second is based on regions, employing subsets of characters during spelling. In both approaches, the effects of two different stimulus presentation parameters (the number of repetitions per stimulus and the interval between them) on the accuracy and performance efficiency of the P300 Speller are studied. The results show that both approaches obtain similar values in terms of detection performance, obtaining around 75% F1-score for predicting a character with four series of 12 blinks per character. In addition, the region-based approach presents a more robust scheme for false predictions, maintaining a similar spelling duration. The theoretical study performed indicates that spelling a character requires around one minute.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"242 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115634183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Using Deep Learning to Demodulate Transmissions in Molecular Communication 利用深度学习解调分子通信中的传输
Max Bartunik, Oliver Keszöcze, Benjamin Schiller, J. Kirchner
Molecular communication presents a new approach for data transmission between miniaturised devices, especially in the context of medical applications. A communication link is established using molecules, or other particles in the nanoscale, to modulate information. Due to a lack of data or changing physical parameters, the information channel often cannot be modelled accurately. Deep Learning provides a solution to receive a transmitted data sequence without the need for an analytical description of the channel. We present a proof-of-concept for the application of a Convolutional Neural Network to demodulate a signal using concentration shift keying. The demodulation predictor is evaluated with experimental data from a testbed using magnetic nanoparticles in an active background flow in comparison to a conventional learning approach with Linear Discriminant Analysis. The new demodulator shows a better performance for higher symbol rates than the conventional approach. Using a modulation alphabet with 8 symbols a data rate of more than 5.5 bit s−1 can be achieved. The constructed neural network can be trained in under two minutes and can easily be adapted to changing transmission parameters.
分子通信为小型化设备之间的数据传输提供了一种新的方法,特别是在医疗应用的背景下。利用分子或纳米级的其他粒子来调制信息,建立通信链路。由于缺乏数据或变化的物理参数,信息通道往往不能准确建模。深度学习提供了一种不需要对信道进行分析描述就能接收传输数据序列的解决方案。我们提出了卷积神经网络应用的概念验证,以解调信号使用浓度移位键控。与传统的线性判别分析学习方法相比,在主动背景流中使用磁性纳米颗粒测试平台的实验数据对解调预测器进行了评估。与传统的解调方法相比,该方法在更高的符号速率下具有更好的性能。使用具有8个符号的调制字母表,可以实现超过5.5 bit s−1的数据速率。所构建的神经网络可以在两分钟内完成训练,并且可以很容易地适应传输参数的变化。
{"title":"Using Deep Learning to Demodulate Transmissions in Molecular Communication","authors":"Max Bartunik, Oliver Keszöcze, Benjamin Schiller, J. Kirchner","doi":"10.1109/ismict56646.2022.9828263","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828263","url":null,"abstract":"Molecular communication presents a new approach for data transmission between miniaturised devices, especially in the context of medical applications. A communication link is established using molecules, or other particles in the nanoscale, to modulate information. Due to a lack of data or changing physical parameters, the information channel often cannot be modelled accurately. Deep Learning provides a solution to receive a transmitted data sequence without the need for an analytical description of the channel. We present a proof-of-concept for the application of a Convolutional Neural Network to demodulate a signal using concentration shift keying. The demodulation predictor is evaluated with experimental data from a testbed using magnetic nanoparticles in an active background flow in comparison to a conventional learning approach with Linear Discriminant Analysis. The new demodulator shows a better performance for higher symbol rates than the conventional approach. Using a modulation alphabet with 8 symbols a data rate of more than 5.5 bit s−1 can be achieved. The constructed neural network can be trained in under two minutes and can easily be adapted to changing transmission parameters.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124916570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
ISMICT 2022 Cover Page ISMICT 2022封面
{"title":"ISMICT 2022 Cover Page","authors":"","doi":"10.1109/ismict56646.2022.9828176","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828176","url":null,"abstract":"","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115152096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Masked Face Detection with Illumination Awareness 具有照明意识的蒙面检测
Tran Hiep Dinh, Quang Manh Doan, N. Trung, Diep N. Nguyen, Chin-Teng Lin
Mask mandate has been applied in many countries in the last two years as a simple but effective way to limit the Covid-19 transmission. Besides the guidance from authorities regarding mask use in public, numerous vision-based approaches have been developed to aid with the monitoring of face mask wearing. Despite promising results have been obtained, several challenges in vision-based masked face detection still remain, primarily due to the insufficient of a quality dataset covering adequate variations in lighting conditions, object scales, mask types, or occlusion levels. In this paper, we investigate the effectiveness of a lightweight masked face detection system under different lighting conditions and the possibility of enhancing its performance with the employment of an image enhancement algorithm and an illumination awareness classifier. A dataset of human subjects with and without face masks in different lighting conditions is first introduced. An illumination awareness classifier is then trained on the collected dataset, the labeling of which is processed automatically based on the difference in detection accuracy when an image enhancement algorithm is taken into account. Experimental results have shown that the combination of the masked face detection system with the illumination awareness and an image enhancement algorithm can boost the system performance to up to 8.6%, 7.4%, and 8.5% in terms of Accuracy, F1-score, and AP-M, respectively.
在过去两年中,许多国家实施了口罩强制规定,作为限制Covid-19传播的一种简单而有效的方法。除了当局关于在公共场合使用口罩的指导外,还制定了许多基于视觉的方法来帮助监测口罩佩戴情况。尽管已经获得了有希望的结果,但基于视觉的被遮挡人脸检测仍然存在一些挑战,主要是由于覆盖光照条件、物体尺度、掩模类型或遮挡水平的足够变化的高质量数据集不足。在本文中,我们研究了一个轻量级的蒙面检测系统在不同照明条件下的有效性,以及通过使用图像增强算法和照明感知分类器来增强其性能的可能性。首先介绍了在不同光照条件下戴口罩和不戴口罩的人体受试者数据集。然后在采集的数据集上训练照明感知分类器,在考虑图像增强算法的情况下,根据检测精度的差异自动对分类器进行标记。实验结果表明,结合光照感知和图像增强算法的蒙面人脸检测系统在准确率、F1-score和AP-M方面的性能分别提高了8.6%、7.4%和8.5%。
{"title":"Masked Face Detection with Illumination Awareness","authors":"Tran Hiep Dinh, Quang Manh Doan, N. Trung, Diep N. Nguyen, Chin-Teng Lin","doi":"10.1109/ismict56646.2022.9828233","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828233","url":null,"abstract":"Mask mandate has been applied in many countries in the last two years as a simple but effective way to limit the Covid-19 transmission. Besides the guidance from authorities regarding mask use in public, numerous vision-based approaches have been developed to aid with the monitoring of face mask wearing. Despite promising results have been obtained, several challenges in vision-based masked face detection still remain, primarily due to the insufficient of a quality dataset covering adequate variations in lighting conditions, object scales, mask types, or occlusion levels. In this paper, we investigate the effectiveness of a lightweight masked face detection system under different lighting conditions and the possibility of enhancing its performance with the employment of an image enhancement algorithm and an illumination awareness classifier. A dataset of human subjects with and without face masks in different lighting conditions is first introduced. An illumination awareness classifier is then trained on the collected dataset, the labeling of which is processed automatically based on the difference in detection accuracy when an image enhancement algorithm is taken into account. Experimental results have shown that the combination of the masked face detection system with the illumination awareness and an image enhancement algorithm can boost the system performance to up to 8.6%, 7.4%, and 8.5% in terms of Accuracy, F1-score, and AP-M, respectively.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126734961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modeling and Simulations of Vascular-like Structure Formation of Cancer Cells 肿瘤细胞血管样结构形成的建模与模拟
Tomoka Tsuchiya, T. Saiki, T. Nakano
Recent studies in cancer biology reveal that cancer cells form a large-scale vascular-like structure, allowing them to gain access to blood vessels and nutrient sources in a cooperative manner. To understand how cancer cells form such a structure, we develop an individual-based model of cancer cells. In our model, each cancer cell moves based on the attraction and repulsion forces. The attraction force is divided into two types: remote and contact forces. The remote force is the one that one cell exerts on another at a distance while the contact force is the one that acts between two cells in physical contact. The repulsion force represents volume exclusion effects, allowing two cells to maintain a distance from each other. It is also responsible for the upward cell motion. Also, in our model, cells divide probabilistically based on a cell cycle. Using the model we develop, we conduct computer simulation experiments and reproduce the structure of cancer cells similar to that observed in wet laboratory experiments. The model developed in this paper can be used for in silico analysis of vascular-like structure formation of cancer cells.
最近的癌症生物学研究表明,癌细胞形成了一个大规模的血管样结构,使它们能够以合作的方式进入血管和营养来源。为了了解癌细胞是如何形成这种结构的,我们开发了一个基于个体的癌细胞模型。在我们的模型中,每个癌细胞的移动都是基于吸引力和排斥力。引力分为两种:远距离力和接触力。远力是指一个细胞在一定距离内对另一个细胞施加的力,而接触力是指两个细胞在物理接触中作用的力。斥力表示体积排斥效应,允许两个细胞彼此保持距离。它也负责细胞向上运动。此外,在我们的模型中,细胞分裂的概率是基于细胞周期的。使用我们开发的模型,我们进行计算机模拟实验,并复制类似于在湿实验室实验中观察到的癌细胞结构。本文所建立的模型可用于肿瘤细胞血管样结构形成的计算机分析。
{"title":"Modeling and Simulations of Vascular-like Structure Formation of Cancer Cells","authors":"Tomoka Tsuchiya, T. Saiki, T. Nakano","doi":"10.1109/ismict56646.2022.9828353","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828353","url":null,"abstract":"Recent studies in cancer biology reveal that cancer cells form a large-scale vascular-like structure, allowing them to gain access to blood vessels and nutrient sources in a cooperative manner. To understand how cancer cells form such a structure, we develop an individual-based model of cancer cells. In our model, each cancer cell moves based on the attraction and repulsion forces. The attraction force is divided into two types: remote and contact forces. The remote force is the one that one cell exerts on another at a distance while the contact force is the one that acts between two cells in physical contact. The repulsion force represents volume exclusion effects, allowing two cells to maintain a distance from each other. It is also responsible for the upward cell motion. Also, in our model, cells divide probabilistically based on a cell cycle. Using the model we develop, we conduct computer simulation experiments and reproduce the structure of cancer cells similar to that observed in wet laboratory experiments. The model developed in this paper can be used for in silico analysis of vascular-like structure formation of cancer cells.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128689219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
New Revision of IEEE 802.15.6 Wireless Body Area Networks IEEE 802.15.6无线体域网络的新修订
Marco Hernandez, R. Kohno, Takumi Kobayashi, Minsoo Kim
Body Area Networks (BANs) is an active field of research and development because it offers the potential of significant improvement in the delivery and monitoring of healthcare, especially for senior people or patients with chronic conditions monitored at home.Other applications may include tracking the performance of athletes, and recently the potential integration to vehicles aided by Time Sensitive Networking (TSN) to deliver high-performance communication flows to 5G and Wi-Fi networks.The standard IEEE 802.15.6™–2012 Wireless BANs aimed to solve the former issues. To address the latter, an amendment to such a standard is currently developed by the Task Group IEEE 802.15.6a. This amendment enhances the Ultra-Wideband (UWB) physical layer (PHY) and medium access control (MAC) to support dependability to human body area networks (HBAN) and adds support for vehicle body area networks (VBAN). VBAN operates under strict compliance to standards and limits for electromagnetic interference (EMI) from the vehicle’s electric and electronic systems.
身体区域网络(ban)是一个活跃的研究和开发领域,因为它有可能显著改善医疗保健的提供和监测,特别是对老年人或在家监测的慢性病患者。其他应用可能包括跟踪运动员的表现,以及最近可能与时间敏感网络(TSN)辅助的车辆集成,以向5G和Wi-Fi网络提供高性能通信流。标准IEEE 802.15.6™-2012无线禁令旨在解决前一个问题。为了解决后一种问题,IEEE 802.15.6a任务组目前正在对该标准进行修订。该修正案增强了超宽带(UWB)物理层(PHY)和介质访问控制(MAC),以支持人体区域网络(HBAN)的可靠性,并增加了对车辆区域网络(VBAN)的支持。VBAN严格遵守车辆电气和电子系统的电磁干扰(EMI)标准和限制。
{"title":"New Revision of IEEE 802.15.6 Wireless Body Area Networks","authors":"Marco Hernandez, R. Kohno, Takumi Kobayashi, Minsoo Kim","doi":"10.1109/ismict56646.2022.9828139","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828139","url":null,"abstract":"Body Area Networks (BANs) is an active field of research and development because it offers the potential of significant improvement in the delivery and monitoring of healthcare, especially for senior people or patients with chronic conditions monitored at home.Other applications may include tracking the performance of athletes, and recently the potential integration to vehicles aided by Time Sensitive Networking (TSN) to deliver high-performance communication flows to 5G and Wi-Fi networks.The standard IEEE 802.15.6™–2012 Wireless BANs aimed to solve the former issues. To address the latter, an amendment to such a standard is currently developed by the Task Group IEEE 802.15.6a. This amendment enhances the Ultra-Wideband (UWB) physical layer (PHY) and medium access control (MAC) to support dependability to human body area networks (HBAN) and adds support for vehicle body area networks (VBAN). VBAN operates under strict compliance to standards and limits for electromagnetic interference (EMI) from the vehicle’s electric and electronic systems.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128081934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Synchronization-assisted Photolysis Scheme to Mitigate ISI in Diffusion-based Molecular Communication 一种同步辅助光解方案减轻扩散基分子通信中的ISI
Yue Xiao, Huafeng Bian, Yue Sun, Yifan Chen, Fanqiang Lin
Bio-inspired Molecular Communication (MC) is a promising communication paradigm benefiting from the advance in bio-nanotechnology. Due to diffusion motion’s slow and stochastic nature, inter-symbol interference (ISI), resulting from previous symbols’ residual information molecules, inevitably occurs in diffusion-based MC. As one of the challenges in diffusion-based MC, ISI impacts signal detection significantly. This paper proposes a synchronization-assisted photolysis scheme to mitigate ISI and improve the bit error rate (BER) performance. Inspired by on-off keying (OOK) modulation, the proposed modulation implements a switch of molecules and light alternatively. The light emitted is triggered by a synchronization signal, and the photolysis reactions could reduce the redundant molecules. We establish a hybrid channel model of diffusion and photolysis-reaction and derive the relevant channel impulse response (CIR) expression. Through the maximum posterior estimation scheme the optimal decision threshold is obtained and the BER performance of the proposed scheme is analysed in terms of different time intervals of the system. Numerical simulations show that the proposed method can eliminate ISI effectively.
生物启发分子通信(MC)是一种很有前途的通信模式,得益于生物纳米技术的进步。由于扩散运动的缓慢和随机特性,在基于扩散的融合中不可避免地会产生符号间干扰(ISI), ISI是基于扩散的融合中所面临的挑战之一,对信号检测产生重大影响。本文提出了一种同步辅助光解方案,以减轻ISI,提高误码率(BER)性能。受开关键控(OOK)调制的启发,提出的调制实现了分子和光的交替开关。发射的光由同步信号触发,光解反应可以减少多余的分子。我们建立了扩散和光分解反应的混合通道模型,并推导了相应的通道脉冲响应表达式。通过最大后验估计方案获得了最优决策阈值,并分析了该方案在系统不同时间间隔下的误码率性能。数值仿真结果表明,该方法能够有效地消除码间干扰。
{"title":"A Synchronization-assisted Photolysis Scheme to Mitigate ISI in Diffusion-based Molecular Communication","authors":"Yue Xiao, Huafeng Bian, Yue Sun, Yifan Chen, Fanqiang Lin","doi":"10.1109/ismict56646.2022.9828368","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828368","url":null,"abstract":"Bio-inspired Molecular Communication (MC) is a promising communication paradigm benefiting from the advance in bio-nanotechnology. Due to diffusion motion’s slow and stochastic nature, inter-symbol interference (ISI), resulting from previous symbols’ residual information molecules, inevitably occurs in diffusion-based MC. As one of the challenges in diffusion-based MC, ISI impacts signal detection significantly. This paper proposes a synchronization-assisted photolysis scheme to mitigate ISI and improve the bit error rate (BER) performance. Inspired by on-off keying (OOK) modulation, the proposed modulation implements a switch of molecules and light alternatively. The light emitted is triggered by a synchronization signal, and the photolysis reactions could reduce the redundant molecules. We establish a hybrid channel model of diffusion and photolysis-reaction and derive the relevant channel impulse response (CIR) expression. Through the maximum posterior estimation scheme the optimal decision threshold is obtained and the BER performance of the proposed scheme is analysed in terms of different time intervals of the system. Numerical simulations show that the proposed method can eliminate ISI effectively.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121042537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Enhancing Nanocarrier Trigger-Sensitivity for Targeted Drug Delivery Application using Ligand-Receptor Residence Time Factor 利用配体-受体停留时间因子增强纳米载体靶向药物递送的触发敏感性
U. Chude-Okonkwo
The use of nanocarriers to encapsulate and carry drug molecules to different parts of the body for therapeutic purpose in a controlled and targeted manner has received extensive attention in the literature. To deliver the drug to the targets site, the nanocarrier has to be responsive to triggered-release stimuli. In some scenarios, the trigger stimuli will be externally introduced into the system in which case the nanocarrier must be equipped with a trigger-release mechanism. In the case where the release is initiated by membrane receptor-mediation, the responsiveness of the nanocarrier to the trigger stimuli is crucial. The responsiveness factor is a function of the nanocarrier sensitivity, which is primarily determined by the concentration of the membrane receptors. However, the nanoscale size of the nanocarrier limits the concentration of the receptor it can be equipped with. In this paper, based on the molecular communication (MC) paradigm, an approach that enhances the sensitivity of the nanocarrier to external stimuli is presented. The analytical expressions for the number of trigger molecule-receptor complex, which defines the nanocarrier sensitivity are presented. The effectiveness of the proposed model is investigated using simulation. Results show that the performance of the MC-based targeted drug delivery process is dependent on the sensitivity of the drug-carrying nanocarrier to external stimuli. In this sense, it is shown that the residence time factor can be used to greatly enhance the responsiveness of the nanocarrier to stimuli even at very low membrane receptor and stimuli concentrations.
利用纳米载体将药物分子包封并以受控和靶向的方式运送到身体的不同部位,以达到治疗目的,在文献中得到了广泛的关注。为了将药物运送到靶点,纳米载体必须对触发释放刺激做出反应。在某些情况下,触发刺激将从外部引入系统,在这种情况下,纳米载体必须配备触发释放机制。在释放是由膜受体介导的情况下,纳米载体对触发刺激的反应是至关重要的。反应性因子是纳米载体敏感性的函数,主要由膜受体的浓度决定。然而,纳米载体的纳米级尺寸限制了它可以配备的受体的浓度。本文基于分子通信(MC)范式,提出了一种提高纳米载体对外部刺激敏感性的方法。给出了决定纳米载体灵敏度的触发分子-受体复合物数目的解析表达式。通过仿真验证了该模型的有效性。结果表明,基于mc的靶向给药过程的性能取决于载药纳米载体对外界刺激的敏感性。从这个意义上说,即使在非常低的膜受体和刺激浓度下,停留时间因子也可以大大增强纳米载体对刺激的响应性。
{"title":"Enhancing Nanocarrier Trigger-Sensitivity for Targeted Drug Delivery Application using Ligand-Receptor Residence Time Factor","authors":"U. Chude-Okonkwo","doi":"10.1109/ismict56646.2022.9828241","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828241","url":null,"abstract":"The use of nanocarriers to encapsulate and carry drug molecules to different parts of the body for therapeutic purpose in a controlled and targeted manner has received extensive attention in the literature. To deliver the drug to the targets site, the nanocarrier has to be responsive to triggered-release stimuli. In some scenarios, the trigger stimuli will be externally introduced into the system in which case the nanocarrier must be equipped with a trigger-release mechanism. In the case where the release is initiated by membrane receptor-mediation, the responsiveness of the nanocarrier to the trigger stimuli is crucial. The responsiveness factor is a function of the nanocarrier sensitivity, which is primarily determined by the concentration of the membrane receptors. However, the nanoscale size of the nanocarrier limits the concentration of the receptor it can be equipped with. In this paper, based on the molecular communication (MC) paradigm, an approach that enhances the sensitivity of the nanocarrier to external stimuli is presented. The analytical expressions for the number of trigger molecule-receptor complex, which defines the nanocarrier sensitivity are presented. The effectiveness of the proposed model is investigated using simulation. Results show that the performance of the MC-based targeted drug delivery process is dependent on the sensitivity of the drug-carrying nanocarrier to external stimuli. In this sense, it is shown that the residence time factor can be used to greatly enhance the responsiveness of the nanocarrier to stimuli even at very low membrane receptor and stimuli concentrations.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115057970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toward Establishing Molecular Interfaces Using Terahertz Radiation 利用太赫兹辐射建立分子界面的研究
Hadeel Elayan, A. Eckford, R. Adve
Miniaturization is creating innovative solutions that pave the path toward effective diagnosis and treatments. One option is molecular communication (MC), where information is exchanged between biological and artificial nanomachines through molecules emitted and absorbed by these nanodevices. Another option is electromagnetic (EM) nano-communication, which points to the Terahertz band (0.1-10 THz) as the frequency range for communication among nanobiosensors. In this work, we propose a novel stimulus-responsive paradigm that bridges the gap between the MC and THz-EM domains by stimulating proteins in the human body. We capitalize on the fact that proteins exhibit collective vibrational modes in the THz regime, which could be attributed to functionally relevant dynamics. As such, we present a study of the proposed paradigm merging the two fields. We explain the physical basis underlying the interaction between the THz signals and protein structures. We then formulate a mathematical framework that relates the protein mechanical system to its stochastic behavior. We also demonstrate the communication link established between the nanoantenna and the protein. Finally, we illustrate potential applications that showcase the importance of our proposed integrative system in advancing the future of health care.
小型化正在创造创新的解决方案,为有效的诊断和治疗铺平道路。一种选择是分子通信(MC),通过这些纳米设备发射和吸收的分子在生物和人工纳米机器之间交换信息。另一种选择是电磁(EM)纳米通信,它指向太赫兹波段(0.1-10太赫兹)作为纳米生物传感器之间通信的频率范围。在这项工作中,我们提出了一种新的刺激-反应范式,通过刺激人体中的蛋白质来弥合MC和THz-EM结构域之间的差距。我们利用了蛋白质在太赫兹区表现出集体振动模式的事实,这可以归因于功能相关的动力学。因此,我们提出了合并这两个领域的拟议范式的研究。我们解释了太赫兹信号与蛋白质结构之间相互作用的物理基础。然后,我们制定了一个数学框架,将蛋白质的机械系统与其随机行为联系起来。我们还展示了纳米天线和蛋白质之间建立的通信链接。最后,我们举例说明了潜在的应用,展示了我们提出的综合系统在推进未来医疗保健中的重要性。
{"title":"Toward Establishing Molecular Interfaces Using Terahertz Radiation","authors":"Hadeel Elayan, A. Eckford, R. Adve","doi":"10.1109/ismict56646.2022.9828364","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828364","url":null,"abstract":"Miniaturization is creating innovative solutions that pave the path toward effective diagnosis and treatments. One option is molecular communication (MC), where information is exchanged between biological and artificial nanomachines through molecules emitted and absorbed by these nanodevices. Another option is electromagnetic (EM) nano-communication, which points to the Terahertz band (0.1-10 THz) as the frequency range for communication among nanobiosensors. In this work, we propose a novel stimulus-responsive paradigm that bridges the gap between the MC and THz-EM domains by stimulating proteins in the human body. We capitalize on the fact that proteins exhibit collective vibrational modes in the THz regime, which could be attributed to functionally relevant dynamics. As such, we present a study of the proposed paradigm merging the two fields. We explain the physical basis underlying the interaction between the THz signals and protein structures. We then formulate a mathematical framework that relates the protein mechanical system to its stochastic behavior. We also demonstrate the communication link established between the nanoantenna and the protein. Finally, we illustrate potential applications that showcase the importance of our proposed integrative system in advancing the future of health care.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133331424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Radio Channel Study for Colon Capsule Endoscopy with Low-Band UWB Multiple Antenna System 低波段超宽带多天线系统结肠胶囊内窥镜射频通道研究
Mariella Särestöniemi, C. Pomalaza-ráez, J. Iinatti
This paper presents a study of the radio channel characteristics between a colon capsule endoscope and a multiple on-body antenna system in ultra wideband wireless body area networks (UWB-WBAN). The main aim is to study the variation of the channel characteristics for the on-body antennas in different capsule locations throughout the whole colon area. The study is conducted with CST Studio Suite simulations and one of its anatomical voxel models. A simplified capsule model and directive on-body antennas designed for low-band UWB in-body communications are used. It is found that five of this type directive on-body antennas provide sufficient coverage over the whole colon are even in the most challenging capsule locations.
本文研究了超宽带无线体域网(UWB-WBAN)中结肠胶囊内窥镜与多体上天线系统之间的无线信道特性。主要目的是研究在整个结肠区域内不同胶囊位置的体载天线的信道特性变化。该研究是通过CST Studio Suite模拟和其中一个解剖体素模型进行的。采用简化的胶囊模型和定向体上天线设计低频段超宽带体内通信。研究发现,即使在最具挑战性的胶囊位置,这种类型的5个定向体上天线也能提供对整个结肠的足够覆盖。
{"title":"Radio Channel Study for Colon Capsule Endoscopy with Low-Band UWB Multiple Antenna System","authors":"Mariella Särestöniemi, C. Pomalaza-ráez, J. Iinatti","doi":"10.1109/ismict56646.2022.9828189","DOIUrl":"https://doi.org/10.1109/ismict56646.2022.9828189","url":null,"abstract":"This paper presents a study of the radio channel characteristics between a colon capsule endoscope and a multiple on-body antenna system in ultra wideband wireless body area networks (UWB-WBAN). The main aim is to study the variation of the channel characteristics for the on-body antennas in different capsule locations throughout the whole colon area. The study is conducted with CST Studio Suite simulations and one of its anatomical voxel models. A simplified capsule model and directive on-body antennas designed for low-band UWB in-body communications are used. It is found that five of this type directive on-body antennas provide sufficient coverage over the whole colon are even in the most challenging capsule locations.","PeriodicalId":436823,"journal":{"name":"2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)","volume":"05 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127368250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
期刊
2022 IEEE 16th International Symposium on Medical Information and Communication Technology (ISMICT)
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1