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Search for "green synthesis" in Full Text gives 26 result(s) in Beilstein Journal of Nanotechnology.
Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258
Beilstein J. Nanotechnol. 2025, 16, 78–89, doi:10.3762/bjnano.16.8
- applications. Keywords: anticancer; green synthesis; lactic acid bacteria; nanoparticles; zinc oxide; Introduction Nanotechnology has revolutionized various fields through its remarkable development and the unique properties exhibited by nanoparticles (NPs) at the mesoscopic level. Dimension, form, surface
- concerns about environmental and biological compatibility. In contrast, green synthesis methods, which use biological agents, such as plants, algae, fungi, and bacteria, under milder, more sustainable conditions offer a more eco-friendly and biocompatible approach to NP production, especially for
- biomedical applications. This work reports on the green synthesis of ZnO NPs employing lactic acid bacteria (LAB) as capping and reducing agents to produce biocompatible NPs for use in pharmaceutical and biological applications [3][4][5]. LAB are Gram-positive, catalase-negative, and non-pathogenic bacteria
Fabrication of hafnium-based nanoparticles and nanostructures using picosecond laser ablation
Beilstein J. Nanotechnol. 2024, 15, 1639–1653, doi:10.3762/bjnano.15.129
- of high purity with minimal or no unwanted by-products [11][17][21], thus making it a valuable candidate for green synthesis [21][22]. In the LAL method, a high-energy ultrashort pulsed laser (nanosecond, picosecond, or femtosecond) is focused on the surface of the target material immersed in a
Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti
Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123
- chemical insecticides against vector-borne diseases. Natural seaweed extracts contain metabolites such as polyphenols, terpenoids, and alkaloids. These compounds act as reducing agents and stabilizers to synthesize biogenic AgNPs. The green synthesis of AgNPs has advantages over other methods, such as low
- reducing agent [34]. In this way, the green synthesis of nanoparticles has expanded in nanoscience and nanotechnology [35]. Synthesis of silver nanoparticles using algae Green nanoparticle synthesis is the design and development of strategies for the production of nanoparticles to reduce the use or
- formation of substances harmful to human health and the environment [36][37]. It has many advantages compared to chemical and physical methods, that is, it is non-toxic, pollution-free, ecological and economical, and more sustainable [38][39]. There is a variety of natural resources for the green synthesis
Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication
Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110
- behavior. The results obtained from this study showed that CDs can be applied in the field of electronics, apart from sensor studies, which are common application areas. Keywords: carbon dot (CD) structures; green synthesis; Rheum Ribes plant; Schottky diode; Introduction One of the most current types of
Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites
Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99
- environment and biological systems. Consequently, integrating green chemistry principles into nanotechnology has become a focus of nanoscience research [6][7]. Numerous studies have highlighted the use of natural compounds or natural sources in the green synthesis of AuNPs [8][9]. Polysaccharides, in
Green synthesis of biomass-derived carbon quantum dots for photocatalytic degradation of methylene blue
Beilstein J. Nanotechnol. 2024, 15, 755–766, doi:10.3762/bjnano.15.63
- equipment, our approach uses green synthesis with biomass, aligning with eco-friendly principles [19][20][21]. Carbon quantum dots are valued for their easy synthesis, good solubility, photostability, nontoxic properties, and versatile applications. They can be synthesized using various methods, including
Curcumin-loaded nanostructured systems for treatment of leishmaniasis: a review
Beilstein J. Nanotechnol. 2024, 15, 37–50, doi:10.3762/bjnano.15.4
- ) with sizes ≈100 nm by green synthesis using extracts of Ficus carica Linn and Olea europaea L., which are rich in phenolic compounds. The authors also evaluated the antileishmanial potential of the nanosystems regarding concurrent treatment or pretreatment against Leishmania major cutaneous infection
Green SPIONs as a novel highly selective treatment for leishmaniasis: an in vitro study against Leishmania amazonensis intracellular amastigotes
Beilstein J. Nanotechnol. 2023, 14, 893–903, doi:10.3762/bjnano.14.73
- , the ability for magnetic manipulation, the possibility of being used in magnetic resonance imaging, and the ability to generate controlled heat non-invasively when exposed to an alternating magnetic field [7][8]. In 2019, our group published an article describing a low-cost green synthesis of SPIONs
- and toxic to humans and the environment [6]. In this scenario, our group demonstrated the therapeutic potential of low-cost biocompatible SPIONs produced by green synthesis [9]. The present study aimed to evaluate in vitro the therapeutic potential of SPIONs produced with coconut water to treat
New trends in nanobiotechnology
Beilstein J. Nanotechnol. 2023, 14, 377–379, doi:10.3762/bjnano.14.32
- , Selangor, 43900, Malaysia School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, 999077, Hong Kong 10.3762/bjnano.14.32 Keywords: biocompatible nanoparticles; cancer cells; carrageenan; cytotoxic selectivity; green synthesis methods; nanobiotechnology; SARS-CoV-2; self
- . Green synthesis methods were firstly applied for the biosynthesis of silver nanoparticles, along with silver chloride nanoparticles as there were chlorine salts in the pineapple peels which enable the formation of silver chloride. These nanoparticles were then characterized and tested regarding their
In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles
Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124
- , Saltillo Coahuila, 25294, México 10.3762/bjnano.13.124 Abstract Green synthesis may be a useful approach to achieve selective cytotoxicity of silver nanoparticles on cancer cells and healthy cells. In this study, the concomitant biosynthesis of silver (Ag)/silver chloride (AgCl) nanoparticles from
- comparison to monocytes. Keywords: cancer cells; cytotoxic behavior; green synthesis; pineapple extract; silver chloride nanoparticles; silver nanoparticles; structural characterization; Introduction The study of metallic nanoparticle synthesis by green methods is gaining importance, especially in cases
- of this work is based on three major points. Firstly, by taking advantage of using pineapple waste, green synthesis methods were applied to obtain silver nanoparticles. In this way, an alternative use of agricultural residues was created, providing added value to fruit products. The second point is
Green synthesis of zinc oxide nanoparticles toward highly efficient photocatalysis and antibacterial application
Beilstein J. Nanotechnol. 2022, 13, 1108–1119, doi:10.3762/bjnano.13.94
- the same conditions; however, it achieved lower efficiencies. In addition, ZnO NPs were also tested regarding their antibacterial activity, and the results showed that the prepared ZnO samples had the highest (i.e., 100%) antibacterial efficiency against E. coli. Keywords: green synthesis; methylene
Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications
Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93
- especially focuses on the recent advancement (2015–2022) in the green synthesis of CDs, their application in metal ions sensing and microbial bioimaging, detection, and viability studies as well as their applications in pathogenic control and plant growth promotion. Keywords: bioimaging; carbon dots; carbon
- quantum dots; green synthesis; plant growth promotion; sensing; Introduction Carbon dots (CDs) are a carbon-based nanomaterial with a few nanometers feature sizes. CDs consist of a carbon core, the surface of which is functionalized with various groups. Xu et al. accidentally discovered fluorescent
- materials for the production of CDs is congruous with the objectives of a sustainable development strategy. Owing to the recycling and re-use of organic waste products, environmental friendliness, and low-cost, green synthesis of CDs is preferred over other conventional methods. There are, in general, two
A nonenzymatic reduced graphene oxide-based nanosensor for parathion
Beilstein J. Nanotechnol. 2022, 13, 730–744, doi:10.3762/bjnano.13.65
- excellent sensing matrices for detecting various analytes [11][21][22][23][28]. The "green synthesis" of graphene via electrochemical reduction is the most economical strategy for the mass production of graphene compared to chemical or thermal reduction of GO [27][29]. Since no hazardous chemicals (e.g
Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review
Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7
- time of SnO2 NPs (a) and Ag@SnO2 (b). Figure 16 was reprinted from [72], Catalysis Communications, vol. 136, by Bui, D. P.; Nguyen, M. T.; Tran, H. H.; You, S.-J.; Wang, Y.-F.; Van Viet, P. “Green synthesis of Ag@SnO2 nanocomposites for enhancing photocatalysis of nitrogen monoxide removal under solar
Sputtering onto liquids: a critical review
Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2
- . These chemical methods can be divided into two major techniques, namely chemical vapor deposition (CVD) with liquid-phase synthesis and colloidal synthesis. In general, the colloidal synthesis of NPs is highly acclaimed due to its versatility [16]. So-called bio-assisted methods, biosynthesis, or green
- synthesis also attract the attention of many researchers due to the “environmentally friendly” nature of these processes, promoted by involving biological systems or by being related directly to biological systems [20][23]. These methods use, among others, bacteria, fungi, viruses, yeasts, and plant
The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles
Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69
- monodispersed nanoparticles, an essential criterion for their intended application and a limitation of the green synthesis of nanoparticles using plant extracts. Several biocompatible counterparts such as polymers, lipids, and chitosan-based nanoparticles have been successfully used in the synthesis of safe
- biocompatible nature. Green synthesis of metal nanoparticles for biomedical applications has gained momentum recently due to their inherent nontoxicity. Although they are biocompatible, these metal nanoparticles lack monodispersity, high yield, and controlled morphology, which are essential criteria for the
- successful use in biological milieus. Recent studies indicated that the green synthesis of nanoparticles, such as zinc oxide nanoparticles and bimetallic copper–silver and nickel–cobalt nanoparticles, is preferred for catalytic, antibacterial, and therapeutic applications [12][13][14]. Several other
A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures
Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9
- type, reagent type, precursor concentration, temperature, process duration, and pH. Physical and chemical methods have been among the most common methods to synthesize silver nanostructures; however, they possess substantial disadvantages and short-comings, especially compared to green synthesis
- methods. On the contrary, the number of green synthesis techniques has been increasing during the last decade and they have emerged as alternative routes towards facile and effective synthesis of silver nanostructures with different morphologies. In this review, we have initially outlined the most common
- and popular chemical and physical methodologies and reviewed their advantages and disadvantages. Green synthesis methodologies are then discussed in detail and their advantages over chemical and physical methods have been noted. Recent studies are then reviewed in detail and the effects of essential
Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action
Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129
- state-of-the-art in metal-based nanoparticles, focusing on their synthesis methods, types, and their antimicrobial action. Different techniques used to synthesize metal-based nanoparticles were discussed, including chemical and physical methods and “green synthesis” methods that are free of chemical
- , physical methods have the highest economic and energetic costs [10]. Therefore, research has leaned towards chemical synthesis methods which are able to produce a large number of NPs in a shorter period of time [11]. The research in this area, especially the “green synthesis” methods, has undoubtedly
- received significant attention regarding their low environmental impact compared to other procedures [12][13]. There are different routes in which the green synthesis methods are applied through the use of microorganisms and plants in a safe, efficient, and profitable manner [14]. Different types of metal
Green fabrication of lanthanide-doped hydroxide-based phosphors: Y(OH)3:Eu3+ nanoparticles for white light generation
Beilstein J. Nanotechnol. 2019, 10, 1200–1210, doi:10.3762/bjnano.10.119
- unchanged CRI (≈60) as the amount of Y(OH)3:Eu3+ was increased. Keywords: green synthesis; phosphors; phosphor-converted white LED; white LED; white light generation; Introduction Interior lighting is an integral part of civilization, and its development has evolved toward the design of more energy
Mechanistic insights into plasmonic photocatalysts in utilizing visible light
Beilstein J. Nanotechnol. 2018, 9, 628–648, doi:10.3762/bjnano.9.59
- nanoparticles takes place on the semiconductor surface. The most common light source used is a UV lamp producing a high-energy spectrum. Since most contemporary research promotes sustainable and green synthesis routes, replacing the UV lamp as the source of photons with renewable energy could be an alternative
- ). The so called green synthesis of Au and Ag are suitably used in clinical and biomedical fields because it is free of toxic chemicals and non-polar solvents. Numerous researches have proved that Au and Ag NPs can be synthesized from the chemicals extracted from plants and microorganisms such as fungi
Green synthesis of fluorescent carbon dots from spices for in vitro imaging and tumour cell growth inhibition
Beilstein J. Nanotechnol. 2018, 9, 530–544, doi:10.3762/bjnano.9.51
- . Generally, the synthesis of C-dots is a multistep and tedious procedure, which is often expensive. Moreover, a surface passivation with other ligands or additives is frequently needed in order to obtain exacerbated intrinsic fluorescence properties [5][12][13]. Recently, green synthesis methods of C-dots
Templated green synthesis of plasmonic silver nanoparticles in onion epidermal cells suitable for surface-enhanced Raman and hyper-Raman scattering
Beilstein J. Nanotechnol. 2016, 7, 834–840, doi:10.3762/bjnano.7.75
- affiliation: Philips Biocell, Gydevang 42, 3450 Allerød, Denmark Humboldt Universität zu Berlin, 12489 Berlin, Germany 10.3762/bjnano.7.75 Abstract We report fast and simple green synthesis of plasmonic silver nanoparticles in the epidermal cells of onions after incubation with AgNO3 solution. The biological
- the last decade, so-called “green synthesis” came into the focus of interest, since many molecules typically available in biological living matter have the capability to reduce silver and gold salts. It has been demonstrated that plants and also microorganisms such as algae, fungi, yeasts, and
- reading out the maximum signal of the band at 1175 cm−1 and subtracting the signal at 1130 cm−1 as background. Results and Discussion Among various plant materials applied for green synthesis of metal nanoparticles, also the use of onion extract for the preparation of gold and silver nanoparticles has
Green and energy-efficient methods for the production of metallic nanoparticles
Beilstein J. Nanotechnol. 2015, 6, 2354–2376, doi:10.3762/bjnano.6.243
- accidents [116]. In recent years, researchers tried to get rid of toxic and flammable reagents, such as hydrazine, sodium borohydride, carbon monoxide, and dimethyl formamide (DMF) in the synthesis of NPs [90]. Green synthesis of NPs Metal NPs can be produced and stabilized by various physical and chemical
- deserve attention in a Green Chemistry approach [4][87]. For green synthesis of NPs, three major principles of Green Chemistry should be considered including the selection of (I) green solvents, (II) non-toxic reducing agents, and (III) harmless stabilizers [21][26][32][51][112][139]. Biochemical
Green synthesis, characterization and catalytic activity of natural bentonite-supported copper nanoparticles for the solvent-free synthesis of 1-substituted 1H-1,2,3,4-tetrazoles and reduction of 4-nitrophenol
Beilstein J. Nanotechnol. 2015, 6, 2300–2309, doi:10.3762/bjnano.6.236
- . Preparation of Cu NPs/bentonite For green synthesis of Cu NPs/bentonite composite, 10 g natural bentonite was dispersed in 100 mL of 0.2 M CuSO4·5H2O under continuous stirring. After separation of quartz and feldspar precipitated in container, the above extract was added. This dispersion was stirred at 80 °C
Fabrication of hybrid nanocomposite scaffolds by incorporating ligand-free hydroxyapatite nanoparticles into biodegradable polymer scaffolds and release studies
Beilstein J. Nanotechnol. 2015, 6, 2217–2223, doi:10.3762/bjnano.6.227
- production of highly pure nanoparticles, has attracted research over the last decade mainly because of the simplicity of the method [15][16][17][18]. The main advantages of the technique include the green synthesis without chemical agents, a high production yield [17], the possibility to work under ambient
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