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Biochar amendments and its impact on soil biota for sustainable agriculture

Biochar 2020年第3期2卷 287-305页

作者： Abhijeet Pathy Jyotiprakash Ray balasubramanian paramasivan Agricultural and Environmental Biotechnology Group Department of Biotechnology and Medical EngineeringNational Institute of Technology RourkelaOdisha 769008India

Beneficial microbes in soil biota are known to enhance plant growth by stimulating the nutrient supply and by devising certain mechanisms to cope up with the biotic(diseases)or abiotic(salinity,drought,and pollution)*** to their effectiveness and sustainability concerns,the application of microbes in the agricultural sector has seen a positive surge *** has been commended as an exemplary carrier material for beneficial microbes in the soil *** is generally produced from the waste biomasses,which not only resolve the management crisis of agricultural wastes but also render many benefits such as enhancement of soil properties,alteration of nutritional dynamics,removal of pollutants,and in the stimulation of beneficial microbial diversity in *** strategic application of biochar in agricultural land could help provide agronomic,economic,and environmental *** certain risks are associated with the application of biochar,attention needs to be paid while preferring for soil *** present review focused on highlighting the role of microbes in plant *** influence of biochar on soil biota along with its detailed mechanisms was discussed further to delineate the scope of biochar in soil ***,the risks associated with the biochar amendments and the future perspectives in this research arena were highlighted.

关键词： Biochar Sustainable agriculture Soil biota Microbes Plant growth Microbial interaction

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Nanozymes in Point-of-Care Diagnosis:An Emerging Futuristic Approach for Biosensing

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Nano-Micro Letters 2021年第12期13卷 44-94页

作者： Bhaskar Das Javier Lou Franco Natasha Logan paramasivan balasubramanian Moon Il Kim Cuong Cao School of Biological Sciences Queen’s University BelfastBelfastUK Department of Biotechnology and Medical Engineering National Institute of Technology RourkelaRourkelaIndia Department of BioNano Technology Gachon UniversitySeongnamKorea

Nanomaterial-based artificial enzymes(or nanozymes) have attracted great attention in the past few years owing to their capability not only to mimic functionality but also to overcome the inherent drawbacks of the natural *** advantages of nanozymes such as diverse enzyme-mimicking activities,low cost,high stability,robustness,unique surface chemistry,and ease of surface tunability and biocompatibility have allowed their integration in a wide range of biosensing applications. Several metal,metal oxide,metal–organic framework-based nanozymes have been exploited for the development of biosensing systems,which present the potential for point-of-care analysis. To highlight recent progress in the field,in this review,more than 260 research articles are discussed systematically with suitable recent examples,elucidating the role of nanozymes to reinforce,miniaturize,and improve the performance of point-of-care diagnostics addressing the ASSURED(a ordable,sensitive,specific,user-friendly,rapid and robust,equipment-free and deliverable to the end user) criteria formulated by World Health Organization. The review reveals that many biosensing strategies such as electrochemical,colorimetric,fluorescent,and immunological sensors required to achieve the ASSURED standards can be implemented by using enzyme-mimicking activities of nanomaterials as signal producing components. However,basic system functionality is still lacking. Since the enzyme-mimicking properties of the nanomaterials are dictated by their size,shape,composition,surface charge,surface chemistry as well as external parameters such as pH or temperature,these factors play a crucial role in the design and function of nanozyme-based point-of-care diagnostics. Therefore,it requires a deliberate exertion to integrate various parameters for truly ASSURED solutions to be realized. This review also discusses possible limitations and research gaps to provide readers a brief scenario of the emerging role of nanoz

关键词： Nanozymes Biosensing Point-of-care diagnosis ASSURED diagnostics Catalytic nanomaterials

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