Synthesis of Cadmium Sulfide Nanoparticles by Biomass of &lt;i&gt;Fusarium oxysporum f. sp. lycopersici &lt;/i&gt;

Sandoval-Cárdenas, Diana Issell; Gómez-Ramírez, Marlenne; Rojas-Avelizapa, Norma G.; Vidales-Hurtado, Mónica Araceli

doi:10.4028/www.scientific.net/jnanor.46.179

“…7031) with a pre-inoculum of 1×10 6 spores/mL. After four days of incubation at 150 rpm and 30°C, the biomass was washed three times with 15 mL of sterile distilled water and recovered by vacuum filtration [20]. The negative inorganic control (Inorganic) was performed in 250 mL flasks with 60 mL of Cd(NO3)2*4H2O 1.0 mM and S° 0.1 M, while the biological control was carried out using 6.0 g of biomass grown in MGYP (Biological MGYP) or DS (Biological DS) medium and 60 mL of sterile distilled water at 24 h, 150 rpm, and 30°C .…”

Section: Production Of Fungal Biomass and Synthesis Of Cds-npsmentioning

confidence: 99%

Effect of Growth Medium of Fusarium Oxysporum in the Synthesis of Cadmium Sulfide Nanoparticles

Loa¹,

Pichardo-Molina²,

Calvo-Olvera³

et al. 2022

Proceedings of the 8th World Congress on New Technologies

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Fusarium oxysporum f. sp. lycopersici is a species reported to synthesize silver, gold, and cadmium nanoparticles when using biomass; it can produce and secrete many secondary metabolites hydrolytic enzymes involved in nanoparticle synthesis processes. However, the production of these components depends on the substrate where the fungus grows. The present work aims to evaluate the effect of the growth medium of Fusarium oxysporum in the synthesis of cadmium sulfide nanoparticles (CdS-NPs). The fungal biomass was obtained from a growth medium with nitrogenous components of higher and lower complexity (MGYP and DS respectively) and used for the synthesis of CdS-NPs using cadmium nitrate (Cd (NO3)2*4H2O) and elemental sulfur (S°). CdS-NPs exhibit two absorbance bands at 320 and 450 nm, with a fluorescence emission at 520 nm when excited with a wavelength at 365 nm. Transmission electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction confirmed the presence of CdS-NPs with a mean diameter of 4.7 ± 0.7 and 4.9 ± 0.9 nm when MGYP and S media were used for biomass production, as well as atomic columns of CdS-NPs with A similar crystalline structure. However, it was also possible to appreciate fewer CdS-NPs when using the fungal biomass obtained from DS medium, which was confirmed by spectrophotometry through the absorption and emission bands at 450 and 520 nm.

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“…7031) with a pre-inoculum of 1×10 6 spores/mL. After four days of incubation at 150 rpm and 30°C, the biomass was washed with 15 mL of sterile water and recovered by vacuum filtration [20]. The negative inorganic control (Inorganic) was performed in 250 mL flasks with 60 mL of Cd(NO3)2*4H2O 1.0 mM and S° 0.1 M, while the biological control was carried out using 6.0 g of biomass grown in MGYP (Biological MGYP) or DS (Biological DS) medium and 60 mL of sterile distilled water at 24 h, 150 rpm, and 30°C .…”

Section: Production Of Fungal Biomass and Synthesis Of Cds-npsmentioning

confidence: 99%

Evaluation of the Culture Medium in the Synthesis of Cadmium Sulfide Nanoparticles by the Fungus Fusarium Oxysporum

Loa¹,

Pichardo‐Molina²,

Calvo-Olvera³

et al. 2022

IJTAN

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Fusarium oxysporum f. sp. lycopersici is a species reported to synthesize silver, gold, and cadmium nanoparticles when using biomass; it can produce and secrete many secondary metabolites hydrolytic enzymes involved in nanoparticle synthesis processes. However, the production of these components depends on the substrate where the fungus grows. The present work aims to evaluate the effect of the growth medium of Fusarium oxysporum in the synthesis of cadmium sulfide nanoparticles (CdS-NPs). The fungal biomass was obtained from a growth medium with nitrogenous components of higher and lower complexity (MGYP and DS respectively) and used for the synthesis of CdS-NPs using cadmium nitrate (Cd (NO3)2*4H2O) and elemental sulfur (S°). CdS-NPs exhibit two absorbance bands at 320 and 450 nm, with a fluorescence emission at 520 nm when excited with a wavelength at 365 nm. Transmission electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction confirmed the presence of CdS-NPs with a mean diameter of 4.7 ± 0.7 and 4.9 ± 0.9 nm when MGYP and S media were used for biomass production, as well as atomic columns of CdS-NPs with A similar crystalline structure. However, it was also possible to appreciate fewer CdS-NPs when using the fungal biomass obtained from DS medium, which was confirmed by spectrophotometry through the absorption and emission bands at 450 and 520 nm.

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“…Zinc sulfide NPs of 42 nm were biosynthesized extracellularly from ZnSO 4 •H 2 O aqueous solution by F. oxysporum [71]. In 2017 Sandoval-Cárdenas et al obtained cadmium sulfide quantum dots of 2-6 nm diameter by incubation of F. oxysporum with a cadmium sulfate solution for 12 d at 30 °C [72]. It is astounding how one type of fungus can synthesize so many types of NPs, or contribute to the formation of one type, such as silver in various ways.…”

Section: Fusarium Oxysporum Nps Synthesismentioning

confidence: 99%

Fungal synthesis of size-defined nanoparticles

Zielonka

¹

,

Klimek‐Ochab

²

2017

Adv. Nat. Sci: Nanosci. Nanotechnol.

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[7] and silica oxide [8] NPs, which can be produced by mycofabrication-(NPs synthesis systems using fungi). Apart from fungi, there is a variety of microorganisms producing NPs, such as many bacteria, biofilms [9], actinomycetes [10] and extremophiles [11]. Apart from bacteria, fungi are a favorable option for NPs synthesis. Fungi are filamentous by nature and able to withstand the pressure of flow and mixing in the bioreactor trough. In addition, they can accumulate metals by biological and physicochemical means. Fungi are an excellent choice for large-scale production as biocatalysts because of their ability to secrete extracellular enzymes [7]. By contrast, the bacterial fermentation process involves numerous additional steps to obtain a clear filtrate of colloidal broth [12].In this review we discuss strategies for NP synthesis with emphasis on the bottom-up myco-approach and its application and flexibility for use in many industrial fields. Our focus is on aspects related to the size of NPs and methods of measuring this feature. It has been discovered that fungi can efficiently synthesize clusters of atoms of a determined size. We also reviewed NPs produced by Fusarium oxysporum (F. oxysporum), which remains the invincible leader in this field. NPs synthesis strategiesToday, NPs are produced by numerous chemical and physical methods, although more environmentally friendly methods are available. Bottom-up and top-down are two strategies for the synthesis of metal NPs as shown in figure 1. The bottom-up strategy relates to the formation of structures atom by atom, molecule by molecule or by self-organization [13]. Top-down strategy includes the reduction of material to dimensions of AbstractFungi with metabolic capacities can efficiently synthesize a wide range of nanoparticles (NPs). This biotransformation process and its product have extensive applications especially for industry, agriculture and medicine, where NPs size and shape is essential and can be defined by specific analytical methods. Fungi cultivation and further bioconversion can be fully controlled to obtain the desired nanoparticles. Additionally, this review provides information about the fungus F. oxysporum, which is able to synthesize the largest amount of different types of NPs.

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Synthesis of Cadmium Sulfide Nanoparticles by Biomass of <i>Fusarium oxysporum f. sp. lycopersici </i>

Cited by 24 publications

References 56 publications

Effect of Growth Medium of Fusarium Oxysporum in the Synthesis of Cadmium Sulfide Nanoparticles

Effect of Growth Medium of Fusarium Oxysporum in the Synthesis of Cadmium Sulfide Nanoparticles

Evaluation of the Culture Medium in the Synthesis of Cadmium Sulfide Nanoparticles by the Fungus Fusarium Oxysporum

Fungal synthesis of size-defined nanoparticles

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