Nanomaterials‐based biosensors for detection of microorganisms and microbial toxins

Sutarlie, Laura; Ow, Sian Yang; Su, Xiaodi

doi:10.1002/biot.201500459

Cited by 50 publications

(28 citation statements)

References 215 publications

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“…Biosensors are compact analytical devices and have been largely developed for toxin and bacteria analysis [57][58][59]. They could be more appealing for onsite and real-time measurement [60].…”

Section: Biosensors For Cyanotoxins and Cyanobacteriamentioning

confidence: 99%

Sensors, Biosensors, and Analytical Technologies for Aquaculture Water Quality

Sutarlie

Loh

2020

Research

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In aquaculture industry, fish, shellfish, and aquatic plants are cultivated in fresh, salt, or brackish waters. The increasing demand of aquatic products has stimulated the rapid growth of aquaculture industries. How to effectively monitor and control water quality is one of the key concerns for aquaculture industry to ensure high productivity and high quality. There are four major categories of water quality concerns that affect aquaculture cultivations, namely, (1) physical parameters, e.g., pH, temperature, dissolved oxygen, and salinity, (2) organic contaminants, (3) biochemical hazards, e.g., cyanotoxins, and (4) biological contaminants, i.e., pathogens. While the physical parameters are affected by climate changes, the latter three are considered as environmental factors. In this review, we provide a comprehensive summary of sensors, biosensors, and analytical technologies available for monitoring aquaculture water quality. They include low-cost commercial sensors and sensor network setups for physical parameters. They also include chromatography, mass spectrometry, biochemistry, and molecular methods (e.g., immunoassays and polymerase chain reaction assays), culture-based method, and biophysical technologies (e.g., biosensors and nanosensors) for environmental contamination factors. According to the different levels of sophistication of various analytical techniques and the information they can provide (either fine fingerprint, highly accurate quantification, semiquantification, qualitative detection, or fast screening), we will comment on how they may be used as complementary tools, as well as their potential and gaps toward current demand of real-time, online, and/or onsite detection.

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Section: Biosensors For Cyanotoxins and Cyanobacteriamentioning

confidence: 99%

Sensors, Biosensors, and Analytical Technologies for Aquaculture Water Quality

Sutarlie

Loh

2020

Research

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“…Nanomaterials can improve target binding as they possess a high surface area, and due to their nanoscale size, they have unique physical and chemical properties which are useful for enhancing signal transduction (Sutarlie, Ow, & Su, 2017). For example, Wu, Duan, Shi, Fang, and Wang (2014) Raman scattering properties, resulting in colour change upon particle aggregation (Sashidhar et al, 2019).…”

Section: Nanotechnologymentioning

confidence: 99%

The future of microbiome analysis: Biosensor methods for big data collection and clinical diagnostics

Akarapipad

Yoon

2020

Med Devices & Sens

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Worldwide interest in the human microbiome is rapidly expanding, as the microbiome is a potential key to understanding human health and improving diagnostic and treatment strategies. A wide array of microorganisms, including bacteria, archaea, unicellular/multicellular eukaryotes (i.e. fungi and helminths) and viruses, colonize on the human body. Their activity and interactions with each other impact their host (Rowan-Nash, Korry, Mylonakis, & Belenky, 2019). Although sometimes used interchangeably, the word 'microbiota' refers to the collective community of microorganisms residing in a particular environment (such as a region of the body), whereas the word 'microbiome' refers to the entirety of this community's genetic information (Allaband et al., 2019; Kuczynski et al., 2012). The different regions of the human body contain various combinations of microbes that could provide information not only about infectious diseases at specific sites, but also about the potential health conditions of a person (Mimee et al., 2018). It is remarkable to consider that, according to recently revised estimates, the human body houses approximately as many bacteria (the most abundant member of the microbiota) as human cells, with bacteria comprising 0.3% of total body mass (Sender, Fuchs, & Milo, 2016). According to the

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“…Additionally, nanomaterials with a high surfaceto-volume ratio contribute by holding or immobilizing larger amounts of enzymes on their surface, which further improves the sensitivity and specificity of nanomaterial-based biosensors. Many review articles have been published on nanomaterial-based biosensors [48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64]. Furthermore, numerous biosensors have been fabricated using high-quality and tailored nanomaterials to obtain an optimal biosensing response during analyte detection.…”

Section: Merits and Limitations Of Nanomaterial-based Biosensorsmentioning

confidence: 99%

Deposition of nanomaterials: A crucial step in biosensor fabrication

Ahmad

Wolfbeis

Hahn

et al. 2018

Materials Today Communications

164

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 An easy, stable, and reproducible nanomaterial deposition/growth method is crucial for the realization of fabricated biosensor devices' performance, such as device stability, and reproducibility, as well as other sensing properties.  Key challenges for optimum deposition include stability, reproducibility, repeatability, and the ability of deposited nanomaterials to address these challenges is critiqued.

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Nanomaterials‐based biosensors for detection of microorganisms and microbial toxins

Cited by 50 publications

References 215 publications

Sensors, Biosensors, and Analytical Technologies for Aquaculture Water Quality

Sensors, Biosensors, and Analytical Technologies for Aquaculture Water Quality

The future of microbiome analysis: Biosensor methods for big data collection and clinical diagnostics

Deposition of nanomaterials: A crucial step in biosensor fabrication

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