A Conceptual Review of Nanosensors

Lim, Teik‐Cheng; Ramakrishna, Seeram

doi:10.1515/zna-2006-7-815

Cited by 43 publications

(9 citation statements)

References 52 publications

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“…They have a high potential for application in biosensors because they work on the same scale as biological processes and can be easily functionalized with substrates of interest. Their real-time results and inexpensive approach make them one of the most excellent materials to make biosensors in such outbreaks [ 59 ].…”

Section: Sensor-based Detectionmentioning

confidence: 99%

Nanomaterial Based Biosensors for Detection of Viruses Including SARS-CoV-2: A Review

et al. 2021

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Section: Sensor-based Detectionmentioning

confidence: 99%

Nanomaterial Based Biosensors for Detection of Viruses Including SARS-CoV-2: A Review

et al. 2021

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“…Carbon nanotubes (CNTs), quantum dots (QDs), gold (Au), silica, silver (Ag), graphene and other nanocomposites are synthesized in such a way having large surface area to volume ratio to improve electrochemical parameters (Figure 2). The molecular binding is a subject of the biological surface science, which is strongly related to the research on modification of nanostructures properties by controlling their structure and surface Perspectives of Nano-Materials and Nanobiosensors in Food Safety and Agriculture DOI: http://dx.doi.org/10.5772/intechopen.95345 at a nanoscale level [36,37]. Recent technological advancement in nanotechnology enable to synthesize nanomaterials with extraordinary optical and electronic properties for electronics and sensing applications [38].…”

Section: Nanobiosensormentioning

confidence: 99%

Perspectives of Nano-Materials and Nanobiosensors in Food Safety and Agriculture

Mathivanan¹

2021

Novel Nanomaterials

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Nanobiosensor is one type of biosensor made up with usage of nanomaterials i.e., nanoparticles and nanostructures. Because of the nanomaterials’ unique properties such as good conductivity, and physicochemical, electrochemical, optical, magnetic and mechanical properties, Nanobiosensors are highly reliable and more sensitive in biosensing approaches over conventional sensors which is having various limitation in detection. Quantum dots, nanotubes, nanowires, magnetic and other nanoparticles enhance sensitivity and lower limit of detection by amplifying signals and providing novel signal transduction mechanisms enable detection of a very low level of food contaminants, pesticides, foodborne pathogens, toxins and plant metabolites. Nanobiosensors are having a lot of scope in sustainable agriculture because of its detecting ability i.e., sensing changes occurred in molecular level. So it can be utilized to find out the variations or modification of plant metabolities, volatiles, gas exchange, hormonal and ion concentration etc. which are the indicators of various harsh environmental stresses (abiotic), biotic and physiological stress. Identification of the stress in the starting stage itself will help us to avoid intensive plant damage and prevent yield losses created by the stress. Nanosensors can be used in smart farming, in which all the environmental factors related to plant growth like temperature, water, pH, humidity, nutritional factor etc. are measured and precaution taken to control the factors which reduce the crop production with the help of IOT platform, thereby enhance the productivity. In this review, discussed about nanobiosensors for detection of food contaminants and various application and its potential in agriculture.

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“…[56][57][58]67,68 The design of medical nanorobot will include embedded and integrated devices, which consists of the main sensing, actuation, data transmission, remote control uploading and coupling power supply subsystems. [61][62][63][64]69,70 A first series of nanotechnology prototypes for molecular machines is being investigated in different ways, [71][72][73][74] and some interesting devices for propulsion and sensing have been presented.…”

Section: Biomedical Applications Of Nanobiosensorsmentioning

confidence: 99%

Biomedical applications of nanobiosensors: the state-of-the-art

Rai¹,

Gade²,

Gaikwad³

et al. 2012

J. Braz. Chem. Soc.

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O desenvolvimento de nanobiosensores é um dos avanços mais recentes no campo da nanotecnologia. A investigação sobre nanobiosensores ópticos com dimensões submicrométricas tem aberto novos horizontes para as medições intracelulares. Aproveitando as propriedades únicas dos nanomateriais, nanobiosensores mais rápidos e sensíveis podem ser desenvolvidos. Além de serem sensíveis e rápidos, os estudos de nanobiosensores têm voltado seus esforços para o desenvolvimento de sensores baseados em nanomateriais que são acessíveis, robustos e reprodutíveis. Os nanobiosensores estão equipados com sondas biorreceptoras imobilizadas, por exemplo, anticorpos, substrato de enzima. A excitação por laser é transmitida para o sistema fotométrico na forma de sinal óptico (fluorescência). Os nanobiosessores poderão revolucionar no futuro o diagnóstico de doenças. A presente revisão discute os conceitos básicos, a evolução e as aplicações biomédicas de nanobiosensores.Development of nanobiosensor is one of the most recent advancement in the field of Nanotechnology. Research on optical nanobiosensors with submicron-sized dimensions has opened new horizons for intracellular measurements. Taking advantage of the unique properties of the nanomaterials, faster and sensitive nanobiosensors can be developed. Apart from being sensitive and fast, the studies related to nanobiosensors have geared their efforts towards the development of nanomaterial-based sensors that are affordable, robust and reproducible. The nanobiosensors are equipped with immobilized bioreceptor probes, e.g., antibodies, enzyme substrate. Laser excitation is transmitted to photometric system in the form of optical signal (fluorescence). Nanobiosensors will revolutionize the future of disease diagnosis. The present review discusses the basic concepts, developments and the biomedical applications of nanobiosensors.

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A Conceptual Review of Nanosensors

Cited by 43 publications

References 52 publications

Nanomaterial Based Biosensors for Detection of Viruses Including SARS-CoV-2: A Review

Nanomaterial Based Biosensors for Detection of Viruses Including SARS-CoV-2: A Review

Perspectives of Nano-Materials and Nanobiosensors in Food Safety and Agriculture

Biomedical applications of nanobiosensors: the state-of-the-art

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