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Article

Impact of 3–Aminopropyltriethoxysilane-Coated Iron Oxide Nanoparticles on Menaquinone-7 Production Using B. subtilis

1
Faculty of Science and Engineering, University of Waikato, Hamilton 3216, New Zealand
2
Department of Medical Biotechnology, School of Medicine and Noncommunicable Diseases Research Centre, Fasa University of Medical Sciences, Fasa 74615, Iran
3
Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz 71348, Iran
*
Authors to whom correspondence should be addressed.
Nanomaterials 2017, 7(11), 350; https://doi.org/10.3390/nano7110350
Received: 2 October 2017 / Revised: 19 October 2017 / Accepted: 20 October 2017 / Published: 26 October 2017
One of the major issues associated with industrial production of menaquinone-7 (MK–7) is the low fermentation yield. In this study, we investigated the effect of iron oxide nanoparticles coated with 3–aminopropyltriethoxysilane ([email protected]) on the production of MK–7 using B. subtilis (ATCC 6633). Decoration of B. subtilis cells with [email protected] significantly enhanced both MK–7 production and yield. An approximately two-fold increase in MK–7 production (41 mg/L) was observed in the presence of 500 µg/mL [email protected], as compared to MK–7 production using untreated bacteria (22 mg/L). This paper, therefore, illustrates the immense biotechnological potential of [email protected] in increasing MK–7 concentration using B. subtilis, and its future role in bioprocess engineering. View Full-Text
Keywords: MK–7; B. subtilis; [email protected]; immobilization; fermentation MK–7; B. subtilis; [email protected]; immobilization; fermentation
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MDPI and ACS Style

Ranmadugala, D.; Ebrahiminezhad, A.; Manley-Harris, M.; Ghasemi, Y.; Berenjian, A. Impact of 3–Aminopropyltriethoxysilane-Coated Iron Oxide Nanoparticles on Menaquinone-7 Production Using B. subtilis. Nanomaterials 2017, 7, 350. https://doi.org/10.3390/nano7110350

AMA Style

Ranmadugala D, Ebrahiminezhad A, Manley-Harris M, Ghasemi Y, Berenjian A. Impact of 3–Aminopropyltriethoxysilane-Coated Iron Oxide Nanoparticles on Menaquinone-7 Production Using B. subtilis. Nanomaterials. 2017; 7(11):350. https://doi.org/10.3390/nano7110350

Chicago/Turabian Style

Ranmadugala, Dinali; Ebrahiminezhad, Alireza; Manley-Harris, Merilyn; Ghasemi, Younes; Berenjian, Aydin. 2017. "Impact of 3–Aminopropyltriethoxysilane-Coated Iron Oxide Nanoparticles on Menaquinone-7 Production Using B. subtilis" Nanomaterials 7, no. 11: 350. https://doi.org/10.3390/nano7110350

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