Relevant bibliographies by topics / Plant-based Green Synthesis

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Plant-based Green Synthesis'

Author: Grafiati
Published: 4 June 2025
Last updated: 15 July 2025

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Journal articles on the topic "Plant-based Green Synthesis"

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Roy, Anamika, Md Iqbal Hossain, and Pantu Kumar Roy. "Advances in plant-based green synthesis of nanoparticles." Journal of Multidisciplinary Sciences 4, no. 2 (2022): 17–27. http://dx.doi.org/10.33888/jms.2022.423.

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Di Maniya, Ermani, and Youssef Benchekroun. "Green Synthesis of Organic Compounds Using Plant-Based Catalysts." International Journal of Emerging Trends in Chemistry (IJETC) 1, no. 2 (2025): 16–27. https://doi.org/10.64056/429nbm31.

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The growing environmental concerns and the need for sustainable chemical processes have directed significant attention towards green synthesis methods. This study focuses on the utilization of plant-based catalysts as eco-friendly alternatives for the synthesis of various organic compounds. Plant-derived catalysts offer advantages such as biodegradability, low toxicity, renewability, and cost-effectiveness. This paper reviews recent advancements in green catalytic processes using plant extracts, powders, and biopolymers to facilitate organic transformations including oxidation, reduction, and coupling reactions. Experimental methodologies for catalyst preparation and application are discussed alongside characterization techniques. Results demonstrate enhanced catalytic efficiency, selectivity, and recyclability under mild conditions. The implications of these findings underscore the potential of plant-based catalysts in reducing hazardous waste and improving process sustainability in organic synthesis. Future directions are proposed to address current limitations and expand the applicability of this green catalytic approach.
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Rajakumar, Govindasamy, Parappurath Narayanan Sudha, and Muthu Thiruvengadam. "Synthesis, Bioactivity Evaluation and Application of Plant-Based Nanoparticles." Molecules 28, no. 12 (2023): 4783. http://dx.doi.org/10.3390/molecules28124783.

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Hamdy, Nadia M., Amira A. Boseila, Ahmed Ramadan, and Emad B. Basalious. "Iron Oxide Nanoparticles-Plant Insignia Synthesis with Favorable Biomedical Activities and Less Toxicity, in the “Era of the-Green”: A Systematic Review." Pharmaceutics 14, no. 4 (2022): 844. http://dx.doi.org/10.3390/pharmaceutics14040844.

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In the era of favoring environment-friendly approaches for pharmaceutical synthesis, “green synthesis” is expanding. Green-based nanomedicine (NM), being less toxic and if having biomedical acceptable activities, thence, the chemical methods of synthesis are to be replaced by plants for reductive synthesis. Iron oxide nanoparticles (IONPs) exhibited remarkable anti-microbial and anti-cancer properties, besides being a drug delivery tool. However, owing to limitations related to the chemical synthetic method, plant-mediated green synthesis has been recognized as a promising alternative synthetic method. This systematic review (SR) is addressing plant-based IONPs green synthesis, characteristics, and toxicity studies as well as their potential biomedical applications. Furthermore, the plant-based green-synthesized IONPs in comparison to nanoparticles (NPs) synthesized via other conventional methods, characteristics, and efficacy or toxicity profiles would be mentioned (if available). Search strategy design utilized electronic databases including Science Direct, PubMed, and Google Scholar search. Selection criteria included recent clinical studies, available in the English language, published till PROSPERO registration. After screening articles obtained by first electronic database search, by title, abstract and applying the PICO criteria, the search results yielded a total of 453 articles. After further full text filtrations only 48 articles were included. In conclusion, the current SR emphasizes the perspective of the IONPs plant-mediated green synthesis advantage(s) when utilized in the biomedical pharmaceutical field, with less toxicity.
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Asia, Latif. "Plant-based green synthesis of nano particles using environment favorable techniques & potential application as reducing agents & their effect on the microorganisms." International Journal of Biomolecules and Biomedicine (IJBB) 16, no. 3 (2023): 1–7. https://doi.org/10.5281/zenodo.11140964.

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In this era of science and innovation, nanotechnology is one of the major and rapidly emerging fields. It works on the creation of nano-particles by interlinking with other innovative science fields and also works on portrayal and utilization of different NPs. The creation of NPs is a critical procedure as it left harmful effects. Scientists are now on the way to foster non-poisonous NPs by green blend techniques. Because of its simplicity of use and organic selection, plant-based NP green mix is presently regarded to be of the best quality among these green, natural techniques. In this article, we address the most recent developments in the green and portrayal plant-derive NPs and their potential employment. Few plant-based NPs that have recently gain a lot of interest due their unique nature and characteristics include, silver NPs, Gold NPs, Zinc NPs and copper NPs. Another important aspect discussed in the paper is potential holding applications of the NPs. Because of the outstanding qualities, Nanoparticles are economically in demand. Due to their numerous applications in the business, hardware, climate, and energy sectors particularly in the healthcare industry. The well-known Ag and Au NPs have been the subject of extensive research in this field and are in high demand for organic applications. Green nanoparticles made from plants are typically less likely to unintentionally have significant effects on people than nanoparticles made artificially. They offer a wide range of possible applications, including, Nano medicine and human health assurance that further covers in different aspects. The paper concludes with a discussion about the future research opportunities in this research venue such as green engineering techniques for generating nanomaterials from plants, microbes, and other everyday resources and its potential challenges associated with plant-based green NP blends, production, depiction and applications. published by the&nbsp; <strong>International Journal of Biomolecules and Biomedicine (IJBB)</strong>
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Hano, Christophe, and Bilal Haider Abbasi. "Plant-Based Green Synthesis of Nanoparticles: Production, Characterization and Applications." Biomolecules 12, no. 1 (2021): 31. http://dx.doi.org/10.3390/biom12010031.

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Bissa, Shivangi, Preeti Naruka, Raj Birthlya, and Arihant Jain. "Plant Based Synthesis of ZnO Nanoparticles and Characterization by UV-Vis Spectroscopy." Journal of Condensed Matter 1, no. 01 (2023): 46–50. http://dx.doi.org/10.61343/jcm.v1i01.9.

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In the modern fast changing world, as the green and environment friendly methods are much required and preferred over conventional toxic methods, plant based nano synthesis plays a vital role in future developments of nanotechnology. In this research article, we discussed on the synthesis and characterization of Zinc Oxide nanoparticles by green synthesis method utilizing the leaves of Ocimum Tenuiflorum as reducing agent for Zn salt. ZnO NPs prepared by such a technique exhibit superior antibacterial efficacy against a range of bacteria compared to ZnO NPs produced through chemical methods, without developing resistance to antibiotics. Further the prepared ZnO NPs were characterized by UV-Vis spectroscopy technique and the bandgap of particles was calculated by Tauc Plot method.
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Vijeandran, Kavitha, and Tu Anh Vu Thanh. "Synthesis of Vegan Leather Using Plant-Based Substrates: A Preliminary Study." Defect and Diffusion Forum 411 (September 8, 2021): 57–66. http://dx.doi.org/10.4028/www.scientific.net/ddf.411.57.

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Cow leather is a widely used material. Even though durable, it causes ethical, social, and environmental issues. The synthesis of vegan leather, using a symbiotic culture of bacteria and yeast (SCOBY), could be explored for an alternative to cow leather. Presently, there are limited studies on the different substrates used to produce vegan leather using this method. Hence, this study aimed to produce plant-based vegan leather, using various plant-based substrates such as black tea, green tea, black and green tea, coconut water, and fruit pulp with five replicates per substrate. All the substrates used in the experiments were able to produce cellulose upon inoculation. The overall results indicate that the substrate consisting of a mixture of black and green tea was the most effective in producing vegan leather in terms of yield and cost.
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R.L, Danhalilu, Aliyu I. Kankara, and Idris S.Ibrahim. "Green Synthesis of Metal Complexes of Thiazole-based Schiff Bases: A Review." Asian Journal of Research in Biochemistry 15, no. 1 (2025): 115–24. https://doi.org/10.9734/ajrb/2025/v15i1356.

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Green synthesis methods for the production of metal complexes, including those of thiazole-based Schiff bases, have gained significant attention. This review focused on the green synthesis approaches for the synthesis of metal complexes of thiazole- based Schiff bases. The synthetic techniques include: Microwave-assisted synthesis, plant-mediated synthesis, microbial synthesis, solvent-free reactions, and biocatalysis. The advantages of this greener synthesis over conventional methods of synthesis were also considered. The challenges, limitations and future perspectives of the greener alternatives were looked at.
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Patil, Shashikant, Arunkumar Devalapura Thimmappa, Arjit Tomar, and Ashish Verma. "Plant-Based Green Synthesis of AgNPs and Their Structural and Antimicrobial Characterization." Natural and Engineering Sciences 10, no. 1 (2025): 363–73. https://doi.org/10.28978/nesciences.1648765.

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The growing request for ecologically safe and maintainable approaches in the area of the synthesis of nanomaterials has drawn attention to green chemistry techniques. Being part of this category, AgNPs have been recognized for their antimicrobial capabilities. The ability to incorporate plant extracts for their synthesis offers a viable, more environmentally-favorable alternative to conventional chemical methods. This investigation will be confined to the green synthesis of AgNPs from leaf extracts of Azadirachta indica towards an eco-friendly synthesis compared with traditional methods. SPR provided evidence for AgNPs, showing a peak in the 450 nm spectral range for freshly extracted leaf samples while it was at 440 nm for freeze-dried leaf samples. The observed change in SPR peak was attributed to what occurred in the phytochemical composition during the drying process, thereby affecting the improvement and stability of particles. The use of X-ray crystallographic investigation revealed that AgNPs derived from both fresh and freeze-dried leaf extracts had mean sizes of 15 and 18 nm, respectively. The crystallinity and morphology of the nanoparticles were further confirmed by SEM using energy dispersive EDX, and TEM. Antimicrobial potential against bacterial and fungal strains in vitro showed significant antibacterial action of the synthesized nanoparticles. These findings show that AgNPs synthesized from Azadirachta indica leaf extracts have considerable potential as broad-spectrum antibacterial agents that will provide an answer for sustainable development in creating biodegradable antimicrobial solutions. Such a biosynthetic approach is promising for future applications in the medical and industrial arena, thereby reducing the environmental impact of established synthesis methods.
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Dissertations / Theses on the topic "Plant-based Green Synthesis"

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Herdade, Ana Margarida Monteiro. "Internship and Monograph reports entitled"Plant-mediated green synthesis of metal-based nanoparticles intended for dermopharmaceutical and cosmetic applications"." Master's thesis, 2020. http://hdl.handle.net/10316/92937.

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Relatório de Estágio do Mestrado Integrado em Ciências Farmacêuticas apresentado à Faculdade de Farmácia<br>A pele é a principal barreira que protege o corpo humano contra os fatores ambientais. Face ao aumento das patologias dermatológicas, tem havido um interesse crescente no desenvolvimento de sistemas eficazes para aplicação tópica. O maior desafio apresentado é o aumento da penetração dos ingredientes ativos através da barreira da pele, paralelamente à necessidade de obtenção de um nível de retenção cutânea suficiente capaz de atingir concentrações terapêuticas. Os metais, em particular os metais nobres, são utilizados desde sempre para tratar e prevenir problemas de saúde, como por exemplo patologias dermatológicas. As nanopartículas têm sido extensamente usadas para aplicações tópicas, dadas as suas reconhecidas vantagens, nomeadamente o aumento da solubilidade de fármacos apolares, a possibilidade de libertação controlada, e o aumento da estabilidade, e capacidade para atingir áreas específicas e libertar concentrações de fármaco suficientemente elevadas. De forma a tirar partido das propriedades únicas das nanopartículas e das atividades biológicas dos metais, nos últimos anos têm sido sintetizadas várias nanopartículas metálicas, tais como nanopartículas de prata (AgNPs), ouro (AuNPs), zinco (ZnNPs), óxido de zinco (ZnONPs), cobre (CuNPs) e óxido de cobre (CuONPs). Estas nanopartículas metálicas são estruturas flexíveis que permitem controlar as suas propriedades físicas, com propriedades de superfície distintas que lhes permitem uma elevada aplicabilidade em dermofarmácia e cosmética. Os métodos convencionais para sintetizar nanopartículas (químicos e físicos) estão associados a desvantagens marcadas, sendo as mais preocupantes o elevado custo (em materiais e fontes, energia, tempo e espaço) e as toxicidades humana e ambiental. Desta forma, surgiu a necessidade de desenvolver uma via de síntese alternativa, nomeadamente a síntese green. De uma forma geral, a síntese green consiste no uso de fontes biológicas (plantas, bactérias ou fungos) para sintetizar nanopartículas seguras para o Homem e o ambiente. Com o desenvolvimento da síntese green têm sido utilizadas matérias primas alternativas, entre estas, as plantas. A síntese green de nanopartículas mediada por plantas baseia-se no uso de extratos de plantas para sintetizar nanopartículas, e as suas vantagens notórias abriram caminho para desenvolvimentos significativos na síntese de nanopartículas, em detrimento da complexa e tóxica síntese química e física. As nanopartículas metálicas produzidas pela síntese mediada por plantas demonstram atividades biológicas reconhecidas, como, por exemplo, atividade anticancerígena, antioxidante, anti-inflamatória, antimicrobiana, cicatrizante e anti-envelhecimento. A avaliação da segurança das fito-nanopartículas metálicas é de extrema importância, dada a falta de estudos toxicológicos e de problemas de conceção que muitos dos estudos existentes apresentam. No entanto, os estudos atuais sugerem a biocompatibilidade e segurança as fito-nanopartículas metálicas, bem como atividades biológicas relevantes e significativamente melhoradas. Face a este cenário, existe ainda um longo caminho a percorrer até que as fito-nanopartículas metálicas possam ser aplicadas no ramo médico, farmacêutico e cosmético mas, até à data, os estudos sugerem um enorme potencial para a sua translação clínica no âmbito das aplicações dermofarmacêuticas e cosméticas. Esta revisão foca-se na discussão das nanopartículas metálicas sintetizadas a partir de extratos de plantas, focando a sua produção, caracterização e atividades biológicas que suportam a sua aplicação tópica com finalidades dermofarmacêuticas e cosméticas.<br>The skin is the primordial barrier that protects the human body against environmental factors. Due to the arise of dermatological pathologies, a crescent interest in the development of efficient systems for topical applications has been verified. The highest challenge consists of increasing the penetration of the active ingredients through the skin barrier, alongside to the need of obtaining enough retention in order to achieve therapeutically concentrations. Metals, specially nobble metals, have been used for years to treat and prevent health issues, among them dermatological disorders. Nanoparticles have been extensively used for topical applications given their advantages, namely the enhanced solubility of apolar drugs, the possibility of controlled release, the higher stability and the capability to target specific areas and delivery of high active ingredients concentrations. In order to take advantage of the before mentioned unique properties of nanoparticles and the biological activities of metals, various metal-based nanoparticles have been synthesized in the past few years, such as silver (AgNPs), gold (AuNPs), zinc (ZnNPs), zinc oxide (ZnONPs), copper (CuNPs) and copper oxide (CuONPs) nanoparticles. These metal-based nanoparticles are flexible structures that allow the control of physical characteristics, with enhanced surface properties, which provides a high applicability in dermopharmacy and cosmetics. The conventional methods for synthesizing nanoparticles (physical and chemical approaches) are associated with major drawbacks, being the most concerning the high cost (in resources, energy, time and space) and human/environmental toxicity. Hence, the need to develop an alternative synthesis pathway was imposed, giving rise to the green synthesis. In general, green synthesis consist of using biological sources (plants, bacteria or fungi) to synthesize ecological benign and non-hazard nanoparticles. With the development of green synthesis, starting materials have been used more frequently, among them plants. Plant-mediated green synthesis of nanoparticles is based on the use of plant extracts to synthesize nanoparticles, and their outstanding advantages have paved the way for exciting developments on nanoparticle synthesis to the detriment of complex and toxicity-associated chemical and physical synthesis. Metal-based nanoparticles produced by plant-mediated synthesis demonstrate notorious biological activities, i.e., anticancer, antioxidant, anti-inflammatory, antimicrobial, wound healing and antiaging activities. Safety assessment of phyto metal-based nanoparticles (phyto-MNPs) holds significant importance due to the lack of toxicological studies and the conception issues that some of the available studies hold. However, current studies suggest the biocompatibility and safety of phyto-MNPs, together with significantly improved and relevant biological activities. Against this backdrop, there is still a long way to run until the application of phyto-MNPs in the medical, pharmaceutical and cosmetic fields, but studies so far show a very high potential towards their clinical translation for dermopharmaceutical and cosmetic applications. This review focuses on metal-based nanoparticles synthesized resorting to various plant extracts, including their production, characterization and the biological activities that support their topical application for dermopharmaceutical and cosmetic purposes.
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Book chapters on the topic "Plant-based Green Synthesis"

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Gamage, Vinidu, Gobika Thiripuranathar, Upul Nishshanka, Namal Priyantha, Siyath Gunawardene, and Sumedha Jayanetti. "Plant-Based Synthesis of Nanomaterials for Nanoremediation." In Green Nanoremediation. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-30558-0_6.

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Himaja, Nallagatla, Yalagandula Archana, Ashwitha Kodaparthi, Ramchander Merugu, and Mallesham Bulle. "Green Nanotechnology." In Plant-Based Nanoparticle Synthesis for Sustainable Agriculture. CRC Press, 2025. https://doi.org/10.1201/9781003477730-19.

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Kameswaran, Srinivasan, Bellamkonda Ramesh, and Gopi Krishna Pitchika. "Green Synthesised Nanoparticles." In Plant-Based Nanoparticle Synthesis for Sustainable Agriculture. CRC Press, 2025. https://doi.org/10.1201/9781003477730-20.

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Tiwari, Shalini, and Barkha Sharma. "Green Synthesis of Plant-Based Nanoparticles." In Advances in Nanotechnology for Smart Agriculture. CRC Press, 2023. http://dx.doi.org/10.1201/9781003345565-4.

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Kumar, Manish, Ekansh Agrawal, Harsh Pratap Singh, Shivam Kumar, Raghvendra Saxena, and Rajesh Singh Tomar. "Green Synthesized Mineral Nanofertilizers for Plant Growth Promotion." In Plant-Based Nanoparticle Synthesis for Sustainable Agriculture. CRC Press, 2025. https://doi.org/10.1201/9781003477730-14.

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Adetunji, Charles Oluwaseun, Olugbenga Samuel Michael, Muhammad Akram, et al. "Recent Advances in the Utilization of Bioengineered Plant-Based Nanoparticles." In Green Synthesis in Nanomedicine and Human Health. CRC Press, 2021. http://dx.doi.org/10.1201/9781003023197-13.

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Tippani, Radhika, Mahendar Porika, Syam Prasad Sura, Pallavi Kagithoju, and Sri Sai Sumedha Porika. "Green Nanoparticles Used in Agriculture to Reduce ROS and Increase Plant Resilience Against Abiotic Stress." In Plant-Based Nanoparticle Synthesis for Sustainable Agriculture. CRC Press, 2025. https://doi.org/10.1201/9781003477730-8.

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Vu, Canh Minh, Suresh Ghotekar, Nguyen Minh Viet, Harshal Dabhane, Rajeshwari Oza, and Arpita Roy. "Green Synthesis of Plant-Assisted Manganese-Based Nanoparticles and Their Various Applications." In Plant and Nanoparticles. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2503-0_13.

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Ahmed, Abeer Ahmed Qaed, Lin Xiao, Tracey Jill Morton McKay, and Guang Yang. "Green Metal-Based Nanoparticles Synthesized Using Medicinal Plants and Plant Phytochemicals against Multidrug-Resistant Staphylococcus aureus." In Green Synthesis in Nanomedicine and Human Health. CRC Press, 2021. http://dx.doi.org/10.1201/9781003023197-15.

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Barathikannan, Kaliyan, Ramachandran Chelliah, Vijayalakshmi Selvakumar, et al. "Plant-Based Metabolites and Their Uses in Nanomaterials Synthesis: An Overview." In Secondary Metabolites Based Green Synthesis of Nanomaterials and Their Applications. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0927-8_1.

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Conference papers on the topic "Plant-based Green Synthesis"

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Choudhury, Soumya Jyoti, and Sunil Kumar Singhal. "Energy Storage Study for Water Electrolysis Based Green Ammonia Plant." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216305-ms.

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Abstract As the world is battling to reduce CO2 emissions to combat climate change, green H2 and ammonia as green energy carrier are new buzz words in the industry. The biggest attraction of green H2 is as alternate fuel to gasoline and diesel. In fact, many believe that green H2 will play a bigger role in heavy vehicle industry as an alternate to diesel since it has been found uneconomical to run battery driven heavy vehicles. For long haul transport of green H2, either it must be liquified or H2 can be converted to green Ammonia (NH3). There is no established infrastructure for long haul or large quantity transport of liquid hydrogen. On the contrary, the world is quite familiar with handling of liquid NH3 and transport infrastructure is well in place for long haul and /or large quantity ammonia transport. Ships with different capacities are already in use for long haul transport NH3 with adequate facility at many ports for unloading and loading of NH3. Many counties also have infrastructure in place for inland transport of NH3 via rail route. One of the ways to produce green ammonia is electrolysis of water using renewable power followed by Ammonia Synthesis process. Continuous Supply of renewable power is required for continuous production of green NH3 from water electrolysis. But there are some challenges. On average solar and wind energies are available for ~25% and ~35% hours respectively in a year. Though they are somewhat complimentary, together they can at best provide renewable power for 50-60% hours. This still leaves a gap of 40-50%. When only solar or wind power is a source of energy, then hours when renewable power is unavailable increase significantly. Hydro power is a continuous source of energy, but it is heavily geography dependent, capital intensive and in most parts of the world hydro power has been nearly maximized just to meet regular power demands. Upcoming and developing sources of renewable power like Geothermal, tidal, ocean wave etc. are at nascent stage of development and has only been explored at limited small-scale installations. Another continuous source renewable energy that is slowly gaining interest and is witnessing scaling up is generation of electricity from waste material. However, this paper does not include evaluation of energy generation from waste.
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Mehta, Siddhi, Swarn Jha, Weston Stewart, and Hong Liang. "Microwave Synthesis of Plant-Based Supercapacitor Electrodes for Flexible Electronics." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-70062.

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Abstract Renewable energy and environmental preservation are two grand challenges in our society today. To address these two challenges, there is an increasing demand for energy storage devices made of green and biodegradable materials. State-of-the-art plant-based electrodes have problems of poor electrochemical performance, low reliability, and high manufacturing cost that pose major limitations in their use in flexible supercapacitors. In this research, a novel microwave irradiation synthesis is used to produce a high-performing electro-active lignin-based biomaterial. MnO2 particles are deposited on these lignin-based materials to impart pseudo-capacitance property. These electro-active materials were coated on an Al substrate and used as an anode with an AC-based cathode. A quasi-solid-state supercapacitor was assembled using a polymer-based gel electrolyte of PVA/H3PO4. SEM was performed to study morphology, porosity, and polydispersity of the lignin-based matrix. Cyclic voltammetry (CV) was employed to study the polarization resistance of the system. The cyclic charge-discharge (CCD) was performed to observe cyclic performance. The assembled supercapacitor exhibited a specific capacitance of 26 mF/g after 500 cycles with capacitance retention of ∼87% at 0.1 A/g. This work provides new insights into the synthesis of low-cost and scalable plant-based flexible supercapacitors.
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Алексашина, С. А. "«GREEN SYNTHESIS» OF SILVER NANOPARTICLES (AG-NPS) USING AQUEOUS-ETHANOL PLANT EXTRACTS." In Инновации и «зелёные» технологии : IV Всероссийская научно-практическая конференция. Crossref, 2024. http://dx.doi.org/10.34830/sounb-conf.2023.48.86.001.

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В настоящее время популярность получил широкий спектр наноструктур. Ввиду своей простоты, низкой стоимости, более высокого восстановительного потенциала, а также низкого воздействия на окружающую среду процесс синтеза на основе растительных экстрактов недавно стал одним из активных направлений современных нанобиотехнологических исследований. На процесс образования наноструктур влияет множество факторов. Были получены растворы наночастиц серебра (Ag-NPS) с использованием экстракта Astragalus L. На основании изменения цвета можно сделать вывод, что на скорость образования наночастиц существенно влияет рН среды – с увеличением значения до рН 9 раствор приобретает более интенсивную окраску. Currently, there is a growing popularity for a wide range of nanostructures. Due to their simplicity, low cost, higher reducing potential, and minimal environmental impact, synthesis processes based on plant extracts have recently become one of the active directions in modern nanobiotechnology research. The formation of nanostructures is influenced by numerous factors. Solutions of silver nanoparticles (Ag-NPs) were obtained using an extract of Astragalus L. Based on the color change, it can be concluded that the pH of the medium significantly affects the rate of nanoparticle formation – as the pH value increases to pH 9, the solution acquires a more intense color without.
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Shi, Lingyue, Cheng Ye, Qinglun He, and Hong Huang. "Research on Peaking System of Nuclear Power Plant Based on Energy Storage Scheme of Hydrogen Production and Ammonia Synthesis." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-136536.

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Abstract With the continuous advancement of the “dual carbon” strategic goal, the power industry, as the main force of energy consumption, actively carries out technological innovation and improves the utilization ratio of clean energy, so the demand for nuclear power peak shaving gradually increases. Based on the current situation of electric power energy utilization and hot research on the green development path of hydrogen production and ammonia synthesis, this paper puts forward a peaking solution of a new energy storage system for nuclear power plants based on green electricity conversion. Taking the daily load tracking mode of AP1000 nuclear power unit as an example, considering the operation efficiency under different loads, the power regulation process of the system is quantitatively calculated by using APROS simulation software. We add a waste heat recovery and utilization structure to improve the energy utilization efficiency, and the economy of this system is evaluated to be more persuasive. It provides an idea of transforming surplus electricity into zero-carbon energy storage for peak shaving problem of nuclear power plants, and has certain reference significance for the development of nuclear comprehensive utilization.
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Galan, Berta. "Economic Assessment of Small-Scale e-NH₃ Production Plant." In 8th World Conference on Chemistry and Chemical Engineering and 8th World Conference on Advanced Materials, Nanoscience and Nanotechnology. Eurasia Conferences, 2025. https://doi.org/10.62422/978-81-981865-7-7-009.

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Ammonia has been traditionally produced in large-scale plants using natural gas as hydrogen source, leading to high energy consumption and significant CO₂ emissions. Green ammonia synthesis is a sustainable alternative, specifically electro-ammonia (e-NH₃), produced from hydrogen via water electrolysis powered by renewable energy. Moreover, advancements in energy integration and decentralized production strategies have increased the interest in small-scale e-NH₃ plants, providing a flexible solution using local renewable sources1. However, the high capital costs associated with electrolysis-based systems require a detailed cost analysis to determine economic feasibility. Understanding the cost distribution across process units—air separation, electrolysis, and ammonia synthesis—is essential for optimizing plant design and improving the competitiveness of small-scale e-NH₃ plants2,3. This study presents an economic assessment of a small-scale e-NH₃ production plant. The research applied established cost estimation methodologies, including Guthrie, Seider, Turton, and Matche, to determine equipment costs, highlighting the electrolyzer as the most significant cost driver. From these results, capital expenditures (CAPEX) and operational expenditures (OPEX) were evaluated and compared with literature. Finally, an analysis of the unit cost and the levelized cost of ammonia (LCOA) was conducted, considering various economic scenarios. Acknowledgment: This study forms part of the ThinkInAzul programme and is supported by Ministerio de Ciencia e Innovación with funding from European Union NextGenerationEU (PRTR-C17.I1) and by Comunidad Autónoma de Cantabria. Project: C17.I01 (AMONSOS) – Plan Complementario de Ciencias Marinas.
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Dinata, Randy, Guohua Li, Thomas Joseph Prewitt, Tatiana Flechas, and Shane Finneran. "An Oversized Pipeline: a Potential Solution for Seamlessly Integrating Intermittent Green Hydrogen Production and Low Carbon Fuel Synthesis." In 2024 15th International Pipeline Conference. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/ipc2024-121224.

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Abstract This paper explores the challenges and solutions associated with integrating intermittent electrolytic hydrogen production from variable electricity sources, such as wind and solar farms, into chemical processes requiring steady hydrogen feedstock (e.g., ammonia synthesis process). Focusing on a hypothetical scenario closely resembling actual project requirements in the industry, the study evaluates three design options for hydrogen storage and transportation. Design Option 1 utilizes oversized pipelines, leveraging pipeline packing/unpacking mechanism, while Design Option 2 involves on-site storage of hydrogen in pressurized storage tubes co-located with the electrolyzer plant. Design Option 3 incorporates a Battery Energy Storage System (BESS). This study shows that the use of both Design Option 1 and 2 can be both technically and economically feasible. In Design Option 1, the cyclical nature of pipeline pressure and its impacts on pipeline integrity in hydrogen environment must be assessed, which vary based on project-specific requirements such as hydrogen production trend, supply rate, and pipeline size. In Design Option 2 the process risks concerns related to the number of storage tubes and connections required must be evaluated, including the potential radius of impact in the event of failures leading to uncontrolled releases of hydrogen gas. Design Option 3, on the other hand, would incur a substantially higher project cost compared to the other two aforementioned options and hence was not evaluated further.
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Jürgens, Sophie, Manuel Selinsek, Uwe Bauder, Bastian Rauch, and Markus Köhler. "Potential of Decentralized Container-Scale PtL Plants for Aviation: From Crude to Post-Processed FT-SPK." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14306.

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Abstract In today’s pressing quest of emission and pollution reduction in all energy sectors, research on renewable and sustainable fuels is a key component. The Institute of Combustion Technology at the German Aerospace Center strives to assess new, renewable fuel in a gear wheel approach of interdependent linked experiments, database comparison and model-based assessment, allowing for a fast iterative feedback to the fuel producer and giving a detailed valuation of fuels as well as a distinguished preselection when presented with numerous fuel samples. Synthetic fuels as a substitute for fossil fuels are becoming increasingly important within the framework global climate protection goals. Power-to-X technologies such as Fischer-Tropsch synthesis can be used to produce carbon-neutral fuels using carbon dioxide from air (direct air capture) and hydrogen obtained by water electrolysis using green electricity. This fuel assessment has been iteratively performed for the post-processing of a Fischer-Tropsch fuel, produced in the module-based, compact and highly innovative PtL plant erected by INERATEC GmbH. The aim of the present work was to evaluate the postprocessing steps hydration and distillation of the crude Fischer-Tropsch products with hindsight to “fit-for-purpose” properties of the resulting products for aviation. The chemical composition was determined using comprehensive two-dimensional GCxGC chromatography. Numerical blending analysis was performed utilizing the DLR SimFuel platform to evaluate the range of blending ratios of the Fischer-Tropsch fuels with conventional jet fuels. It could be demonstrated that the post-processed Fischer-Tropsch fuels display a beneficially high blending potential with conventional jet fuels considering the chemical composition and combustion behavior.
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Teng, Tsung-Jen, Pei-Ting Chen, Ting-Wei Chang, Yuan-Sen Yang, Chien-Kuo Chiu, and Wen-I. Liao. "The Simulation of Strong Ground Motion Using Empirical Green Function and Stochastic Method for Southern Taiwan Area." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84670.

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This study presents strong ground motion simulation methods for the future fragility study of a power plant in Southern Taiwan. The modified stochastic method and empirical Green function method are utilized to synthesize the strong ground motions of specific events. A modified physical random function model of strong ground motions for specific sites and events is presented in this study with verification of sample level. Based on the special models of the source, path, and local site, the random variables of the physical random function of strong ground motions is obtained. The inverse Fourier transform is used to simulate strong ground motions. For the empirical Green function method, the observed site records from small earthquake events occurring around the source area of a large earthquake are collected to simulate the broadband strong ground motion from a large earthquake event. Finally, an application of proposed two simulated methods of this study for simulating the ground motion records of Nishi-Akashi Station at 1995 Kobe earthquake and 2006 Southern Taiwan PingDong earthquake are presented.
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Kamel, M., T. Delahaye, N. Aljneibi, A. Izquierdo-Colorado, S. Funduk, and H. El Fakhar. "Building an E-Crude Plant with Heat Exchanger-Reactor HER Technology." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222943-ms.

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Abstract ADNOC fields operate with zero flaring during normal operations; however, flaring during upset conditions is a source of greenhouse gas (GHG) emissions such as Carbon Dioxide (CO2). Therefore, to comply with flaring restrictions and support the UAE Net Zero emissions by 2045 Strategic Initiative, this paper will introduce an innovative Heat Exchanger-Reactor (HER) technology which will versatile hydrogenation of CO2 &amp; produce synthetic fuels. This paper will introduce the KHIMOD's innovative Heat Exchanger-Reactor(HER) technology which converts CO2 into syngas via the Reverse Water Gas Shift (RWGS) reaction. This syngas can thereafter be used to produce synthetic paraffinic crude in a subsequent second step, by a Fischer-Tropsch (FT) reactor, while incorporating additional hydrogen produced via water electrolysis. Alternatively, the green hydrogen contained in the syngas can be used directly for H2 storage or transportation. Various configurations have been developed to valorise the CO2-rich flare gases emitted from ADNOC onshore fields during emergency conditions. A new copper-based Reverse Water Gas Shift (RWGS) catalyst and a new cobalt-based Fischer-Tropsch (FT) catalyst have been custom developed to fit the opportunities of the very accurate catalytic temperature control possibilities of the Heat Exchanger-Reactor (HER) technology. Under the current market conditions, the early cost evaluation shows an overall of e-crude generation slightly beneath the 5 $/kg depending primarily on the cost of hydrogen, with an achievable target of reaching close to the 3 $/kg in the coming years. Moving forward, KHIMOD is studying the optimum plant configuration to convert CO2 from flaring during upset conditions into syngas in a field demonstration unit. The ground-breaking aspect of this paper is a real application case for a waste stream CO2 valorisation unit into hydrogen or Syncrude based on the novel field-proven market-ready KHIMOD Heat Exchanger-Reactor (HER) solution. The interaction between the Reverse Water Gas Shift (RWGS) and the Fischer-Tropsch (FT) technologies are aiming to eliminate the unavoidable CO2 emissions from the industrial sectors &amp; support decarbonizing our operations to reach ADNOC's Net Zero by 2045 strategic goal.
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Daugaviete, Mudrite, Galina Telysheva, Ojars Polis, Ausma Korica, and Kaspars Spalvis. "Plantation forests as regional strength for development of rural bioeconomy." In 21st International Scientific Conference "Economic Science for Rural Development 2020". Latvia University of Life Sciences and Technologies. Faculty of Economics and Social Development, 2020. http://dx.doi.org/10.22616/esrd.2020.53.001.

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The establishment of plantation forests in areas not viable for agriculture can make a significant contribution to the economy. The yield from 1 ha of plantation forest depends on the management purpose - obtaining of round wood (pulpwood, sawnlog, veneer log, tare), bioenergy and extraction of tree foliage (broadleaved and coniferous). In Latvia, based on 2019 data, plantation forests achieve 2760 ha of Scots pine, 7855 ha of Norway spruce, 7431 ha of Birch, 2123 ha of Grey alder, 1274 ha of Black alder and Populus spp. and 618 ha of Salix spp. Estimated and projected gains are calculated both as round wood over 20 to 50 years: pine - 410-to 994 thou. m3; spruce, - 335 to 2.906 thou. m3, birch - 1.040 -2.452 thou. m3. Accordingly, it is possible to obtain gross income from the whole plantation forest area in Latvia: pine-12.42-63.8 mln. EUR; spruce - 40.1 -192.3 mln. EUR; for birch - 32.2 -202.7 mln. Eur. Additionally to that, 18.6 -21.6 t ha-1 and 24.0 -37.0 t ha-1 of processed foliage can be obtained from 1 ha of pine and spruce forest plantations (40-50 years old). Alnus incana sp. (5-20 years), yielding 19.65-122.65 thou. Solid m3 and Salix spp. (3-5 years), yielding 58.71-84.97 thou. solid m3, are used for energy production, furthermore Alnus spp. wood can be used than valuable raw material for plywood production. At the same time, it is possible to capture 106-1477 thou. tonnes of CO2 equivalent. Systematic investigations of chemical composition of above mentioned Latvian plantation trees, wood and bark, have shown that incorporation of extraction treatment in existing processing schemes will allow to manufacture high value added monomeric and oligomeric products which are of great demand for substitution of synthetic ones in different economy sectors (agriculture, including means for plant protection, food industry, polymer production, pharmacy etc.). Creation of small and medium-sized enterprises in rural region in close proximity to plantations opens the opportunity for the appearance of new working places, including organization of new nurseries, plantation services, private businesses for processing of various lignocellulosic waste into new special products / semi-products / feedstock for green industrial materials and chemicals, at the same time diminishing the logistics expenses.
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