Advances in 4D‐printed physiological monitoring sensors

Mahmud, M. A. Parvez; Tat, Trinny; Xiao, Xiao; Adhikary, Partho

doi:10.1002/exp.20210033

Cited by 37 publications

(24 citation statements)

References 100 publications

(130 reference statements)

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“…Exclusive optical, , chemical, electrical, , and mechanical characteristics of these materials have provided a foundation for more explorations to be accommodated. Owing to their infrequent properties, these materials have played a critical role in applications such as energy, , electrocatalysts, , sensors, − diseases diagnostics, solar cells, and so forth. Among the different kinds of 2D materials, carbon-based 2D materials, especially graphene, have been thoroughly scrutinized.…”

Section: Introductionmentioning

confidence: 99%

Exploring the Role of 2D-Graphdiyne as a Charge Carrier Layer in Field-Effect Transistors for Non-Covalent Biological Immobilization against Human Diseases

Ghafary

Salimi

Hallaj

2022

ACS Biomater. Sci. Eng.

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Graphdiyne's (GDY's) outstanding features have made it a novel 2D nanomaterial and a great candidate for electronic gadgets and optoelectronic devices, and it has opened new opportunities for the development of highly sensitive electronic and optical detection methods as well. Here, we testified a non-covalent grafting strategy in which GDY serves as a charge carrier layer and a bioaffinity substrate to immobilize biological receptors on GDY-based field-effect transistor (FET) devices. Firm non-covalent anchoring of biological molecules via pyrene groups and electrostatic interactions in addition to preserved electrical properties of GDY endows it with features of an ultrasensitive and stable detection mechanism. With emerging new forms and extending the subtypes of the already existing fatal diseases, genetic and biological knowledge demands more details. In this regard, we constructed simple yet efficient platforms using GDY-based FET devices in order to detect different kinds of biological molecules that threaten human health. The resulted data showed that the proposed non-covalent bioaffinity assays in GDY-based FET devices could be considered reliable strategies for novel label-free biosensing platforms, which still reach a high on/off ratio of over 10 4 . The limits of detection of the FET devices to detect DNA strands, the CA19-9 antigen, microRNA-155, the CA15-3 antigen, and the COVID-19 antigen were 0.2 aM, 0.04 pU mL −1 , 0.11 aM, 0.043 pU mL −1 , and 0.003 fg mL −1 , respectively, in the linear ranges of 1 aM to 1 pM, 1 pU mL −1 to 0.1 μU mL −1 , 1 aM to 1 pM, 1 pU mL −1 to 10 μU mL −1 , and 1 fg mL −1 to 10 ng mL −1 , respectively. Finally, the extraordinary performance of these label-free FET biosensors with low detection limits, high sensitivity and selectivity, capable of being miniaturized, and implantability for in vivo analysis makes them a great candidate in disease diagnostics and pointof-care testing.

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Section: Introductionmentioning

confidence: 99%

Exploring the Role of 2D-Graphdiyne as a Charge Carrier Layer in Field-Effect Transistors for Non-Covalent Biological Immobilization against Human Diseases

Ghafary

Salimi

Hallaj

2022

ACS Biomater. Sci. Eng.

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“…[137] Only at lesion locations may activatable biomaterials be triggered by disease-related small molecules or disease microenvironment. [138][139][140] The creation of activatable imaging probes can efficiently minimize background signal and increase imaging sensitivity and specificity, which is particularly crucial for the identification of minute lesions. Dynamically switchable MRI contrast agents, for example, have been developed.…”

Section: "Turn-on" Pa Imaging Probesmentioning

confidence: 99%

Biomedical Photoacoustic Imaging for Molecular Detection and Disease Diagnosis: “Always‐On” and “Turn‐On” Probes

Zeng

Dou

et al. 2022

Advanced Science

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Photoacoustic (PA) imaging is a nonionizing, noninvasive imaging technique that combines optical and ultrasonic imaging modalities to provide images with excellent contrast, spatial resolution, and penetration depth. Exogenous PA contrast agents are created to increase the sensitivity and specificity of PA imaging and to offer diagnostic information for illnesses. The existing PA contrast agents are categorized into two groups in this review: “always‐on” and “turn‐on,” based on their ability to be triggered by target molecules. The present state of these probes, their merits and limitations, and their future development, is explored.

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“…[87][88][89][90][91][92][93][94][95] TENGs are able to generate energy by converting mechanical energy into electricity that relies upon the triboelectric effect and electrostatic induction to generate voltage. [81,[96][97][98][99][100][101][102] The triboelectric effect occurs when two materials with different electron affinities are put in close proximity to each other, which causes electron transfer to occur. After separation, the two surfaces remain charged, generating a voltage difference between them.…”

Section: Introductionmentioning

confidence: 99%

Self‐Powered Smart Gloves Based on Triboelectric Nanogenerators

et al. 2022

Self Cite

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movement recognition systems which can turn these movements into analyzable data that can be further used to integrate technology into daily life and improve it.In the United States, approximately 15% of the adult population report some form of hearing loss, [6] and thus rely on sign language to communicate. However, most of the hearing population are not fluent in sign language, creating a barrier in communication between the deaf and hearing communities. To further complicate the issue, different languages and countries have different sign languages. For example, although an English speaker suffers no language barrier in both the United States and United Kingdom, American Sign Language signers may have difficulty understanding British Sign Language. [7] Currently, many devices have been created for purpose of gesture recognition and can be either vision-based or sensor-based. [8] Vision-based devices can record images or videos in either 2D, through a single camera, [9][10][11][12][13] or in 3D, through stereo cameras [14][15][16] or light projection methods. [17][18][19] Next, they distinguish the hand from the background through methods such as include skin color detection, [20][21][22] using a unique background, [23,24] and entropy measurement by subtracting successive images. [25,26] As these devices are heavily light and background dependent, they do not work when in dim lighting, if the skin color of the user is similar to that of the background, or if fingers are overlapping. On the other hand, sensor-based devices use sensors, rather than cameras, to measure changes in hand and finger movements. The most common method of doing so is using sensing gloves that contain flex and IMU sensors to determine the orientation, acceleration, and bending angle of the hands and fingers. [27][28][29][30][31] Another method of sensor-based gesture recognition is through electromyography, which can record the muscle tissue activity using multiple electrodes placed on the skin, [32][33][34][35][36] but may impede movement and be uncomfortable for the user. Wireless signals and radar can also be used to measure gestures, [37][38][39] but suffer from limitations such as signal strength and difficulties in distinguishing hand gestures from different people. In addition to the aforementioned disadvantages, a common issue with both vision and sensor-based gesture recognition methods are that they are not self-powered, which means that they are unable to be used continuously throughout the day. These problems pose major disadvantages for those who are deaf or hard-of-hearing, proving the need for a comfortable, universal, and accurateThe hands are used in all facets of daily life, from simple tasks such as grasping and holding to complex tasks such as communication and using technology. Finding a way to not only monitor hand movements and gestures but also to integrate that data with technology is thus a worthwhile task. Gesture recognition is particularly important for those who rely on sign language to communicate, but the l...

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Advances in 4D‐printed physiological monitoring sensors

Cited by 37 publications

References 100 publications

Exploring the Role of 2D-Graphdiyne as a Charge Carrier Layer in Field-Effect Transistors for Non-Covalent Biological Immobilization against Human Diseases

Exploring the Role of 2D-Graphdiyne as a Charge Carrier Layer in Field-Effect Transistors for Non-Covalent Biological Immobilization against Human Diseases

Biomedical Photoacoustic Imaging for Molecular Detection and Disease Diagnosis: “Always‐On” and “Turn‐On” Probes

Self‐Powered Smart Gloves Based on Triboelectric Nanogenerators

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