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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