nano-antennas in nano-biosensing implants in the human body.

transmission windows [8] [9]. While the majority of (nano) biosensing applications rely on the use of light, the propagation of THz · signals within the human body remain largely unknown. While the THz-band radiation is non-ionizing, the propagation of THz-band · waves inside the human body is drastically impacted by the absorption of liquid water molecules [10]. As a result, the authors in [11], advocated the use of the optical window for intrabody wireless communication among nanosensors with plasmonic nanoantennas.

among intrabody nanodevices will expectedly be enabled in the · Terahertz Band (0.1-10 THz).

wearable biosensors through various methods, including ul- trasound [5], optical [6], radiofrequency [7], and molecular · communication [8]. Besides the challenges of using radiofre- quency intrabody communication, it is the most common and · widespread communication method as it is an established tech- nology with good penetration depth, power efficiency, scala- bility, and standardized safety. Using high frequencies, such as · the terahertz (THz) frequency band (0.1 THz – 10 THz) has ·

Current development of nanodevice can be used to build small nanosensor networks with applications in biomedicine and eHealth. Communication among nanodevices will be wireless and works at Terahertz (THz) band frequencies (0.1–10 THz).

July 20, 2022 - In these nanonetworks, nano-nodes flow in blood vessels (including arteries and veins) for detecting sensitive biological/physical data. Nano-nodes dispatch data to each other and outside devices via Terahertz (THz) waves.

Moreover, [66] examines THz propagation inside the human · body by considering a multi-layered human tissue model, where the components of the cascaded multi-layer intrabody · model are, from deep to superficial, blood, fat, skin, and air. To better characterize the communication link between the ·

With the development of miniature plasmonic signal sources, antennas and detectors, wireless communications among intrabody nanodevices will expectedly be enabled in the Terahertz Band (0.1–10 THz).

In this paper, a graphene-based spiral nanoantenna is proposed and investigated for intrabody communication at the Terahertz (THz) frequency band (0.1-10 THz). A spiral antenna configuration is adopted as it possesses various degrees of freedom and exhibits geometries that facilitate miniaturization, which is crucial for practical deployment of nanobiosensors.

optical window for intrabody wireless communication among · nanosensors with plasmonic nanoantennas. This is due to the · fact that the absorption from liquid water molecules is minimal · in the so-called optical window, roughly between 400 THz

November 14, 2024 - Therefore, in this work, we propose to use intrabody hybrid communication architecture integrated with nano-sensors/nano-devices for detecting the presence of eggs in the fallopian tube in real time. Here, hybrid communication refers to the combined use of MC and THz communication to realize the advantages of both paradigms.

September 1, 2017 - Enabling wireless communication ... demonstrated that such communication can occur at Terahertz (THz) band frequencies (0.1–10 THz)....

April 13, 2023 - Rapid and sensitive detection of ... spectrometric approaches are exceptionally suitable for biomedical biosensing due to their nondestructive nature and molecular fingerprinting capability....

November 27, 2017 - Here, to overcome water absorption and enhance the THz biosensing sensitivity, two kinds of THz metamaterials biosensor integrated with microfluidics were fabricated and used to detect the Alpha fetoprotein (AFP) and Glutamine transferase isozymes II (GGT-II) of liver cancer biomarker in early stage.

August 15, 2017 - As a candidate for a rapid detection of biomaterials, terahertz (THz) spectroscopy system can be considered with some advantage in non-destructive, label-free, and non-contact manner.

In this paper, a graphene-based spiral nanoantenna is proposed and investigated for intrabody communication at the Terahertz (THz) frequency band (0.1-10 THz). A spiral antenna configuration is adopted as it possesses various degrees of freedom and exhibits geometries that facilitate miniaturization, which is crucial for practical deployment of nanobiosensors.

April 19, 2006 - Thus, this study advances liquid-based sensing by enabling easy, rapid and trace-level measurements while also driving the development of compact and highly sensitive THz sensors for biological samples. ... ... Biosensing in the terahertz (THz, 0.1-10 THz) region has received considerable attention because of its advantageous properties.

Anyway, Jornet et al. showed that time spread OOK protocol generates a very short pulse in femtosecond long [17], which has its main frequency components in the THz band. And that is already being used in several applications such as nanoscale spectroscopy and biological imaging [18]. Figure 1 depicts simple network architecture of WNSN to be used for intrabody disease detection as an application of the IoNT [1]. The network can be composed of nanosensors, nanorouters, nano-microinterface and gateway regardless of any specific application.

April 5, 2021 - Intrabody Nanonetworks (IBN) are composed of nanosensors that have tremendous potential to enable cellular level monitoring and precision in drug delivery and diagnosis. Nanoscale communication using Electromagnetic (EM) waves propagation in the Terahertz (THz) band suffers from molecular absorption noise that has been regarded as the leading cause of heat generation along with antenna communication radiations.