Carbon dots—Sodium alginate hydrogel: A novel tetracycline fluorescent sensor and adsorber

Ehtesabi, Hamide; Roshani, Shabnam; Bagheri, Zeinab; Yaghoubi-Avini, Mohammad

doi:10.1016/j.jece.2019.103419

Cited by 85 publications

(39 citation statements)

References 42 publications

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“…[ 43 ]. The WHO declares dengue as a main challenging worldwide public health problem in the tropical and subtropical populations [ 12 ]. This viral infection results in a variety of pathogenic indications including febrile, fever, and hazardous life threatening situations.…”

Section: Application Of Carbon Nanomaterials For Viral Diagnosismentioning

confidence: 99%

“…The nano-sized nature of nanomaterials and their exclusive optical, electronic, magnetic, and mechanical attributes can enhance patient care through the use of sensors with minimal invasivity and extreme sensitivity. Amongst the nanomaterials utilized for fabricating nano-sensors, carbon-based nanomaterials are promising as these sensors respond better to signals in various sensing applications [ [11] , [12] , [13] ]. In addition to their high surface area, carbon-based nanomaterials are biocompatible materials and are advantageous in terms of simplicity, rapidity, and sensitivity rendering them a high position to be considered in up-to-date technologies for viral recognition [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

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Application of carbon nanomaterials in human virus detection

Ehtesabi

2020

Journal of Science: Advanced Materials and Devices

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Human-pathogenic viruses are still a chief reason for illness and death on the globe, as epitomized by the COVID-19 pandemic instigated by a coronavirus in 2020. Multiple novel sensors have been invented because diseases must be detected and diagnosed as early as possible, and recognition methods have to be carried out with minimal invasivity. Sensors have been particularly developed focusing on miniaturization by the use of nanomaterials for fabricating nanosensors. The nano-sized nature of nanomaterials and their exclusive optical, electronical, magnetical, and mechanical attributes can enhance patient care through the use of sensors with minimal invasivity and extreme sensitivity. Amongst the nanomaterials utilized for fabricating nano-sensors, carbon-based nanomaterials are promising as these sensors respond better to signals in various sensing settings. This review provides an overview of the recent developments in carbon nanomaterial-based biosensors for viral recognition based on the biomarkers that arise from the infection, the nucleic acids from the viruses, and the entire virus. The role of carbon nanomaterials is highlighted by the improvement of sensor and recognition functionality. The Dengue virus, Ebola virus, Hepatits virus, human immunodeficiency virus (HIV), influenza virus, Zika virus and Adenovirus are the virus types reviewed to illustrate the implementation of the techniques. Finally, the drawbacks and advantages of carbon nanomaterial-based biosensors for viral recognition are identified and discussed.

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Section: Application Of Carbon Nanomaterials For Viral Diagnosismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Application of carbon nanomaterials in human virus detection

Ehtesabi

2020

Journal of Science: Advanced Materials and Devices

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“…Fluorescent gel has excellent water content and unique luminescent properties. It can be used as a sensor and effectively adsorb heavy metals and other environmental pollutants [64,65]. At present, fluorescence hydrogels are used to encrypt and protect data information so as to realize the possibility of multi-stage data security.…”

Section: Other Applicationsmentioning

confidence: 99%

Research Progress Review of Preparation and Applications of Fluorescent Hydrogels

Wang

Qian

et al. 2020

Journal of Chemistry

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The fluorescent gel with good flexibility and biocompatibility has attracted more and more attention due to its excellent optical properties. In this paper, the research progresses in preparation methods and applications of fluorescent gels are reviewed. In addition, the preparation methods of self-assembly and polymerization of fluorescent gel are also introduced. In this paper, it should be noted that some outstanding research about the fluorescent gels used in sensors, bio-imaging probes, drug delivery, and other application fields is summarized. This work provides useful reference information for further exploration and study of fluorescent hydrogels.

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“…The implementation of colorimetric sensors is based on image processing, and the color formation can occur in solution or on a solid support. The colorimetric reaction on a solid support has been mostly reported in paper-based format [25][26][27][28][29][30][31][32], with other types of solid supports including chitosan film [33], carbon dots-sodium alginate hydrogel [34], aerogel [35], modified wood [36] and microtube containing fiber glass [37]. Despite this, the association of preconcentration features and imaging analysis has been seldom exploited [31].…”

Section: Introductionmentioning

confidence: 99%

Development of a Screening Method for Sulfamethoxazole in Environmental Water by Digital Colorimetry Using a Mobile Device

et al. 2022

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Antibiotic resistance is a major health concern of the 21st century. The misuse of antibiotics over the years has led to their increasing presence in the environment, particularly in water resources, which can exacerbate the transmission of resistance genes and facilitate the emergence of resistant microorganisms. The objective of the present work is to develop a chemosensor for screening of sulfonamides in environmental waters, targeting sulfamethoxazole as the model analyte. The methodology was based on the retention of sulfamethoxazole in disks containing polystyrene divinylbenzene sulfonated sorbent particles and reaction with p-dimethylaminocinnamaldehyde, followed by colorimetric detection using a computer-vision algorithm. Several color spaces (RGB, HSV and CIELAB) were evaluated, with the coordinate a_star, from the CIELAB color space, providing the highest sensitivity. Moreover, in order to avoid possible errors due to variations in illumination, a color palette is included in the picture of the analytical disk, and a correction using the a_star value from one of the color patches is proposed. The methodology presented recoveries of 82–101% at 0.1 µg and 0.5 µg of sulfamethoxazole (25 mL), providing a detection limit of 0.08 µg and a quantification limit of 0.26 µg. As a proof of concept, application to in-field analysis was successfully implemented.

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Carbon dots—Sodium alginate hydrogel: A novel tetracycline fluorescent sensor and adsorber

Cited by 85 publications

References 42 publications

Application of carbon nanomaterials in human virus detection

Application of carbon nanomaterials in human virus detection

Research Progress Review of Preparation and Applications of Fluorescent Hydrogels

Development of a Screening Method for Sulfamethoxazole in Environmental Water by Digital Colorimetry Using a Mobile Device

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