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RISS 인기검색어
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- 저자 : Hasan Md Mehedee (검색결과 4 건)
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Effect of Microplastics on the Germination and Growth of Terrestrial Plants
Md Mehedee Hasan,Eun Hea Jho 대한환경공학회 2022 대한환경공학회지 Vol.44 No.10
Objectives : The human beings of our globe are heavily reliant on the use of plastic products on a daily basis. Microplastics (MPs) are tiny particles that are formed as a result of plastic degradation. MPs can be found in terrestrial environment, but previous studies focused on the effects of MPs on marine environment and there are less studies on the effects of MPs on terrestrial environment. In particular, there is still a relatively limited number of studies on the effects of MPs on terrestrial plants. Therefore, this review paper aims to examine previous studies on the effect of MPs on the germination and growth of terrestrial plants. Methods : This review summarized the previous findings on the effect of MPs on the germination and growth of terrestrial plants in order to identify the research gaps and trends on the effects of MPs on terrestrial plants. Results and Discussion : Previous studies on the effect of MPs on the germination and growth of terrestrial plants were reviewed and the observations were summarized to find the gaps in this field of research. Previous studies showed that MPs can change soil properties and these changes can be different depending on the shape and size of MPs. MPs can also release chemicals such as phthalates and heavy metals that might have toxic effects on terrestrial plants. Different forms, types, and sizes of MPs were used in previous studies to study the effects on seed germination and growth of different plants. Most studies reported that MPs have negative effects on seed germination and plant growth (e.g., biomass, chlorophyll contents). Smaller MPs tend to have more significant effects than larger MPs. The changes in the soil properties due to MPs can change microbial community structures and this, in turn, may affect the soil-plant interaction. Conclusion : This study summarizes what have been reported in the previous studies on the effect of MPs on seed germination and growth of terrestrial plants. MPs are likely to affect seed germination and plant growth negatively, and this will eventually lead to reduction in food production and food quality. Owing to the various types, forms, and sizes of MPs that could be present in the terrestrial environment as well as the chemicals that could be released from MPs, there is much to explore to better understand the effect of MPs on terrestrial plants and the underlying mechanisms of such effects.
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( Md Mehedee Hasan ),( Ashikur Rahman Swapon ),( Tazrin Islam Dipti ),( Yeong-jin Choi ),( Hee-gyeong Yi ) 한국미생물생명공학회 2024 Journal of microbiology and biotechnology Vol.34 No.5
This study explores the potential of plant-based decellularization in regenerative medicine, a pivotal development in tissue engineering focusing on scaffold development, modification, and vascularization. Plant decellularization involves removing cellular components from plant structures, offering an eco-friendly and cost-effective alternative to traditional scaffold materials. The use of plant-derived polymers is critical, presenting both benefits and challenges, notably in mechanical properties. Integration of plant vascular networks represents a significant bioengineering breakthrough, aligning with natural design principles. The paper provides an in-depth analysis of development protocols, scaffold fabrication considerations, and illustrative case studies showcasing plant-based decellularization applications. This technique is transformative, offering sustainable scaffold design solutions with readily available plant materials capable of forming perfusable structures. Ongoing research aims to refine protocols, assess long-term implications, and adapt the process for clinical use, indicating a path toward widespread adoption. Plant-based decellularization holds promise for regenerative medicine, bridging biological sciences with engineering through eco-friendly approaches. Future perspectives include protocol optimization, understanding long-term impacts, clinical scalability, addressing mechanical limitations, fostering collaboration, exploring new research areas, and enhancing education. Collectively, these efforts envision a regenerative future where nature and scientific innovation converge to create sustainable solutions, offering hope for generations to come.
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Effect of co-presence of cadmium or procymidone with microplastic films in soil on lettuce growth
Jho Eun Hea,Yang Ji Won,Ju Won Jung,Lee Sung-Jong,Hasan Md Mehedee 한국응용생명화학회 2023 Applied Biological Chemistry (Appl Biol Chem) Vol.66 No.-
Agricultural environment is often contaminated with various chemicals (e.g., pesticides, heavy metals) and microplastics due to the uses of plastic products. The effects of chemical contaminants or microplastics on terrestrial environment have been extensively studied, but the studies on the co-presence of chemical contaminants and microplastics are relatively limited. This study was set to investigate the effect of co-presence of microplastics (i.e., low-density polyethylene (LDPE) and polyvinyl chloride (PVC) microplastic films) and chemical contaminants (i.e., cadmium (Cd) and procymidone (PCM)) in soil on the lettuce growth and Cd and PCM uptake by lettuce using pot tests. The lettuce leaf lengths were not affected by the presence of only Cd or PCM, but the rates of change in the lettuce leaf number were adversely affected by the presence of PCM. The presence of only LDPE or PVC in soil at the concentrations used in this study did not have significant impacts on the lettuce growth. But the co-presence of Cd and LDPE and the co-presence of PCM and PVC resulted in the negligible increases in the lettuce leaf length and leaf number with time, although the lettuce growths were statistically similar in the Cd- or PCM-contaminated soils regardless of the presence of microplastics. The results suggest that the adverse effects of Cd or PCM can be intensified by the co-presence of microplastics, and the effects can be different depending on the types of microplastics. The promoted adverse effects of chemical contaminants in the co-presence of microplastics can be supported by the tendency of the increased absorption of Cd or PCM by lettuce in the co-presence of microplastics. Overall, this study shows the need for management of both chemical contaminants and microplastics that may reside in the agricultural environment.
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