Recent Trends in Biosensors for Environmental Quality Monitoring

Gavrilaș, Simona; Ursachi, Claudiu; Perța-Crișan, Simona; Munteanu, Florentina-Daniela

doi:10.3390/s22041513

Cited by 96 publications

(47 citation statements)

References 169 publications

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“…The low excitation current specification also enables low temperature drift and low power consumption so that the potential instability of the chemiresistor sensors can be minimized. This is an important specification, especially for applications of sensors for the point-of-need monitoring of air quality, as well as for biosensors in point-of-care breath screening for human health [ 23 , 24 , 25 ].…”

Section: Discussionmentioning

confidence: 99%

A Low-Current and Multi-Channel Chemiresistor Array Sensor Device

Wang¹,

Shang

Dinh

et al. 2022

Sensors

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This paper describes the design of a low-current, multichannel, handheld electronic device integrated with nanostructured chemiresistor sensor arrays. A key design feature of the electronic circuit board is its low excitation current for achieving optimal performance with the arrays. The electronics can rapidly acquire the resistances for different sensors, not only spanning several orders of magnitude, but also as high as several hundreds of megaohms. The device tested is designed using a chemiresistor array with nanostructured sensing films prepared by molecularly-mediated assemblies of gold nanoparticles for detection. The low-current, wide-range, and auto-locking capabilities, along with the effective coupling with the nanostructured chemiresistor arrays, meet the desired performances of a low excitation current and low power consumption, and also address the potential instability of the sensors in a complex sensing environment. The results are promising for potential applications of the device as a portable sensor for the point-of-need monitoring of air quality and as a biosensor for point-of-care human breath screening for disease biomarkers.

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Section: Discussionmentioning

confidence: 99%

A Low-Current and Multi-Channel Chemiresistor Array Sensor Device

Wang¹,

Shang

Dinh

et al. 2022

Sensors

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“…Several nanomaterials have been described to investigate their properties and topical applications in biosensors. The attributes of the biosensor for better efficiency includes response time, selectivity, sensitivity, and linearity [ 70 , 71 ].…”

Section: An Overview Of Nanobiosensorsmentioning

confidence: 99%

Recent Advancements in Nanobiosensors: Current Trends, Challenges, Applications, and Future Scope

Kulkarni¹,

Ayachit

Aminabhavi

2022

Biosensors

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In recent years, there has been immense advancement in the development of nanobiosensors as these are a fundamental need of the hour that act as a potential candidate integrated with point-of-care-testing for several applications, such as healthcare, the environment, energy harvesting, electronics, and the food industry. Nanomaterials have an important part in efficiently sensing bioreceptors such as cells, enzymes, and antibodies to develop biosensors with high selectivity, peculiarity, and sensibility. It is virtually impossible in science and technology to perform any application without nanomaterials. Nanomaterials are distinguished from fine particles used for numerous applications as a result of being unique in properties such as electrical, thermal, chemical, optical, mechanical, and physical. The combination of nanostructured materials and biosensors is generally known as nanobiosensor technology. These miniaturized nanobiosensors are revolutionizing the healthcare domain for sensing, monitoring, and diagnosing pathogens, viruses, and bacteria. However, the conventional approach is time-consuming, expensive, laborious, and requires sophisticated instruments with skilled operators. Further, automating and integrating is quite a challenging process. Thus, there is a considerable demand for the development of nanobiosensors that can be used along with the POCT module for testing real samples. Additionally, with the advent of nano/biotechnology and the impact on designing portable ultrasensitive devices, it can be stated that it is probably one of the most capable ways of overcoming the aforementioned problems concerning the cumulative requirement for the development of a rapid, economical, and highly sensible device for analyzing applications within biomedical diagnostics, energy harvesting, the environment, food and water, agriculture, and the pharmaceutical industry.

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“…Environmental samples such as air and seawater can be monitored for hazardous compounds using biosensors [ 178 ]. Nucleic acid amplification techniques, mass spectrometry methods, and receptor-ligand binding assays are the three most used approaches for multiplex detection from complicated matrices.…”

Section: Tools and Techniques To The Understanding Of Plant Microbiomementioning

confidence: 99%

Tool and techniques study to plant microbiome current understanding and future needs: an overview

Enespa

Chandra

2022

Communicative & Integrative Biology

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Microorganisms are present in the universe and they play role in beneficial and harmful to human life, society, and environments. Plant microbiome is a broad term in which microbes are present in the rhizo, phyllo, or endophytic region and play several beneficial and harmful roles with the plant. To know of these microorganisms, it is essential to be able to isolate purification and identify them quickly under laboratory conditions. So, to improve the microbial study, several tools and techniques such as microscopy, rRNA, or rDNA sequencing, fingerprinting, probing, clone libraries, chips, and metagenomics have been developed. The major benefits of these techniques are the identification of microbial community through direct analysis as well as it can apply in situ . Without tools and techniques, we cannot understand the roles of microbiomes. This review explains the tools and their roles in the understanding of microbiomes and their ecological diversity in environments.

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Recent Trends in Biosensors for Environmental Quality Monitoring

Cited by 96 publications

References 169 publications

A Low-Current and Multi-Channel Chemiresistor Array Sensor Device

A Low-Current and Multi-Channel Chemiresistor Array Sensor Device

Recent Advancements in Nanobiosensors: Current Trends, Challenges, Applications, and Future Scope

Tool and techniques study to plant microbiome current understanding and future needs: an overview

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