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Original Research

Pyridine azo disperse dye derivatives and their selenium nanoparticles (SeNPs): synthesis, fastness properties, and antimicrobial evaluations

, , ORCID Icon, & ORCID Icon
Pages 7903-7918 | Published online: 27 Sep 2019

Figures & data

Table 1 Fastness properties of azo disperse dyes on nylon 66

Figure 1 Synthesis of phenyldiazenyl pyridine derivatives (2a–j).

Figure 1 Synthesis of phenyldiazenyl pyridine derivatives (2a–j).

Figure 2 Synthesis of pyrazolyl diazenyl pyridine derivatives (5a–b).

Figure 2 Synthesis of pyrazolyl diazenyl pyridine derivatives (5a–b).

Table 2 In vitro antimicrobial activity of the newly synthesized compounds against bacterial and fungi species

Table 3 The minimal inhibitory concentrations (MIC) of the synthesized compounds against pathogenic bacteria and fungi

Figure 3 TEM image for selenium nanoparticles synthesized by using compound 2b at room temperature.

Abbreviation: TEM, transmission electron microscope.

Figure 3 TEM image for selenium nanoparticles synthesized by using compound 2b at room temperature.Abbreviation: TEM, transmission electron microscope.

Figure 4 TEM image for selenium nanoparticles synthesized by using compound 2c at room temperature.

Abbreviation: TEM, transmission electron microscope.

Figure 4 TEM image for selenium nanoparticles synthesized by using compound 2c at room temperature.Abbreviation: TEM, transmission electron microscope.

Figure 5 TEM image for selenium nanoparticles synthesized by using compound 2f at room temperature.

Abbreviation: TEM, transmission electron microscope.

Figure 5 TEM image for selenium nanoparticles synthesized by using compound 2f at room temperature.Abbreviation: TEM, transmission electron microscope.

Figure 6 TEM image for selenium nanoparticles synthesized by using compound 2g at room temperature.

Abbreviation: TEM, transmission electron microscope.

Figure 6 TEM image for selenium nanoparticles synthesized by using compound 2g at room temperature.Abbreviation: TEM, transmission electron microscope.

Figure 7 TEM image for selenium nanoparticles synthesized by using compound 2h at room temperature.

Abbreviation: TEM, transmission electron microscope.

Figure 7 TEM image for selenium nanoparticles synthesized by using compound 2h at room temperature.Abbreviation: TEM, transmission electron microscope.

Figure 8 XRD pattern for the selenium nanoparticles synthesized by using compound (2b, 2c, 2f, 2g, and 2h) at room temperature.

Abbreviation: XRD, X-Ray diffraction.

Figure 8 XRD pattern for the selenium nanoparticles synthesized by using compound (2b, 2c, 2f, 2g, and 2h) at room temperature.Abbreviation: XRD, X-Ray diffraction.

Figure 9 The most active synthesized compounds against Gram-positive and Gram-negative bacterial species.

Figure 9 The most active synthesized compounds against Gram-positive and Gram-negative bacterial species.

Figure 10 The activity of the synthesized compounds against fungal strain.

Figure 10 The activity of the synthesized compounds against fungal strain.

Figure 11 The Minimum Inhibitory Concentration (MIC) of the most active compounds against Gram-positive and Gram-negative bacterial species.

Figure 11 The Minimum Inhibitory Concentration (MIC) of the most active compounds against Gram-positive and Gram-negative bacterial species.

Figure 12 The Minimum Inhibitory Concentration (MIC) of the synthesized compounds against fungal strain.

Figure 12 The Minimum Inhibitory Concentration (MIC) of the synthesized compounds against fungal strain.