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Table 1 Influence of protein concentration (220–530 µg mL−1) in the cell free extract of Candida parapsilosis ATCC 7330 against different concentrations of gold precursor (0.5–1 mM) towards the biogenesis of gold nanoparticles

From: Whole resting cells vs. cell free extracts of Candida parapsilosis ATCC 7330 for the synthesis of gold nanoparticles

Entry

Protein concentration (μg mL−1)

Gold (III) chloride (mM)

Gold nanoparticles

SPR band (nm)

Size

Zeta potential (mV)

Dh (nm)

PDI

1

220 ± 18

0.5

536

57.3 ± 5.8

0.445

−21.4 ± 1.5

2

220 ± 18

0.75

539

109.9 ± 3.

0.308

−27.3 ± 3.2

3

220 ± 18

1.0

543

222 ± 7.7

0.489

−27.8 ± 0.5

4

330 ± 27

0.5

534

56.7 ± 1.1

0.454

−20.8 ± 1.5

5

330 ± 27

0.75

538

71.6 ± 0.6

0.402

−26.2 ± 1.1

6

330 ± 27

1.0

537

50.1 ± 0.6

0.422

−25.5 ± 1.5

7a

530 ± 32

0.5

–

–

–

–

8

530 ± 32

0.75

546

164.1 ± 3.

0.429

−21.7 ± 1.4

9

530 ± 32

1.0

535

59.2 ± 1.1

0.433

−24 ± 0.3

  1. aNo gold nanoparticles formation