glucose biosensing
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2022 ◽  
Vol 210 ◽  
pp. 112259
Author(s):  
Yuhang Zhang ◽  
Yan Zhang ◽  
Chuankai Yang ◽  
Chunyun Ma ◽  
Miaorong Zhang ◽  
...  

Micromachines ◽  
2021 ◽  
Vol 13 (1) ◽  
pp. 76
Author(s):  
Palanisamy Kannan ◽  
Govindhan Maduraiveeran

Diabetes is a foremost health issue that results in ~4 million deaths every year and ~170 million people suffering globally. Though there is no treatment for diabetes yet, the blood glucose level of diabetic patients should be checked closely to avoid further problems. Screening glucose in blood has become a vital requirement, and thus the fabrication of advanced and sensitive blood sugar detection methodologies for clinical analysis and individual care. Bimetallic nanoparticles (BMNPs) are nanosized structures that are of rising interest in many clinical applications. Although their fabrication shares characteristics with physicochemical methodologies for the synthesis of corresponding mono-metallic counterparts, they can display several interesting new properties and applications as a significance of the synergetic effect between their two components. These applications can be as diverse as clinical diagnostics, anti-bacterial/anti-cancer treatments or biological imaging analyses, and drug delivery. However, the exploitation of BMNPs in such fields has received a small amount of attention predominantly due to the vital lack of understanding and concerns mainly on the usage of other nanostructured materials, such as stability and bio-degradability over extended-time, ability to form clusters, chemical reactivity, and biocompatibility. In this review article, a close look at bimetallic nanomaterial based glucose biosensing approaches is discussed, concentrating on their clinical applications as detection of glucose in various real sample sources, showing substantial development of their features related to corresponding monometallic counterparts and other existing used nanomaterials for clinical applications.


2021 ◽  
Vol 349 ◽  
pp. 130829
Author(s):  
Hideki Fujisaki ◽  
Tongchatra Watcharawittayakul ◽  
Akira Matsumoto ◽  
Yuji Miyahara ◽  
Tatsuro Goda

2021 ◽  
Vol 134 ◽  
pp. 105980
Author(s):  
O.C. Pore ◽  
A.V. Fulari ◽  
N.B. Velha ◽  
V.G. Parale ◽  
H.H. Park ◽  
...  
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Author(s):  
Lucy Johnston ◽  
Gonglei Wang ◽  
Kunhui Hu ◽  
Chungen Qian ◽  
Guozhen Liu

Continuous glucose monitors (CGMs) for the non-invasive monitoring of diabetes are constantly being developed and improved. Although there are multiple biosensing platforms for monitoring glucose available on the market, there is still a strong need to enhance their precision, repeatability, wearability, and accessibility to end-users. Biosensing technologies are being increasingly explored that use different bodily fluids such as sweat and tear fluid, etc., that can be calibrated to and therefore used to measure blood glucose concentrations accurately. To improve the wearability of these devices, exploring different fluids as testing mediums is essential and opens the door to various implants and wearables that in turn have the potential to be less inhibiting to the wearer. Recent developments have surfaced in the form of contact lenses or mouthguards for instance. Challenges still present themselves in the form of sensitivity, especially at very high or low glucose concentrations, which is critical for a diabetic person to monitor. This review summarises advances in wearable glucose biosensors over the past 5 years, comparing the different types as well as the fluid they use to detect glucose, including the CGMs currently available on the market. Perspectives on the development of wearables for glucose biosensing are discussed.


2021 ◽  
pp. 106712
Author(s):  
Reza Akhbari Varkani ◽  
Hossain-Ali Rafiee-Pour ◽  
Mohammad Noormohammadi

Sensors ◽  
2020 ◽  
Vol 20 (21) ◽  
pp. 6013 ◽  
Author(s):  
Vuslat B. Juska ◽  
Martyn E. Pemble

The research field of glucose biosensing has shown remarkable growth and development since the first reported enzyme electrode in 1962. Extensive research on various immobilization methods and the improvement of electron transfer efficiency between the enzyme and the electrode have led to the development of various sensing platforms that have been constantly evolving with the invention of advanced nanostructures and their nano-composites. Examples of such nanomaterials or composites include gold nanoparticles, carbon nanotubes, carbon/graphene quantum dots and chitosan hydrogel composites, all of which have been exploited due to their contributions as components of a biosensor either for improving the immobilization process or for their electrocatalytic activity towards glucose. This review aims to summarize the evolution of the biosensing aspect of these glucose sensors in terms of the various generations and recent trends based on the use of applied nanostructures for glucose detection in the presence and absence of the enzyme. We describe the history of these biosensors based on commercialized systems, improvements in the understanding of the surface science for enhanced electron transfer, the various sensing platforms developed in the presence of the nanomaterials and their performances.


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