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Crugeira PJL, de Almeida PF, Sampaio ICF, et al. Production and viscosity of Xanthan Gum are increased by LED irradiation of X. campestris cultivated in medium containing produced water of the oil industry. J Photochem Photobiol B. 2021;226:112356doi: 10.1016/j.jphotobiol.2021.112356.
Crugeira, P. J. L., de Almeida, P. F., Sampaio, I. C. F., Soares, L. G. P., Moraga Amador, D. A., Samuel, I. D. W., Persheyev, S., Silveira, L., & Pinheiro, A. L. B. (2021). Production and viscosity of Xanthan Gum are increased by LED irradiation of X. campestris cultivated in medium containing produced water of the oil industry. Journal of photochemistry and photobiology. B, Biology, 226112356. https://doi.org/10.1016/j.jphotobiol.2021.112356
Crugeira, Pedro J L, et al. "Production and viscosity of Xanthan Gum are increased by LED irradiation of X. campestris cultivated in medium containing produced water of the oil industry." Journal of photochemistry and photobiology. B, Biology vol. 226 (2021): 112356. doi: https://doi.org/10.1016/j.jphotobiol.2021.112356
Crugeira PJL, de Almeida PF, Sampaio ICF, Soares LGP, Moraga Amador DA, Samuel IDW, Persheyev S, Silveira L, Pinheiro ALB. Production and viscosity of Xanthan Gum are increased by LED irradiation of X. campestris cultivated in medium containing produced water of the oil industry. J Photochem Photobiol B. 2021 Nov 12;226:112356. doi: 10.1016/j.jphotobiol.2021.112356. Epub 2021 Nov 12. PMID: 34801926.
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J Photochem Photobiol B. 2021 Nov 12;226:112356. doi: 10.1016/j.jphotobiol.2021.112356. Epub 2021 Nov 12.

Production and viscosity of Xanthan Gum are increased by LED irradiation of X. campestris cultivated in medium containing produced water of the oil industry.

Journal of photochemistry and photobiology. B, Biology

Pedro J L Crugeira, Paulo F de Almeida, Igor C F Sampaio, Luiz G P Soares, David A Moraga Amador, Ifor D W Samuel, Saydulla Persheyev, Landulfo Silveira, Antônio L B Pinheiro

Affiliations

  1. Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil; Laboratory of Biotechnology and Ecology of Microorganisms, Institute of Health Science, Federal University of Bahia, Reitor Miguel Calmon Ave, S/N, Salvador, BA CEP: 40110-100, Brazil. Electronic address: [email protected].
  2. Laboratory of Biotechnology and Ecology of Microorganisms, Institute of Health Science, Federal University of Bahia, Reitor Miguel Calmon Ave, S/N, Salvador, BA CEP: 40110-100, Brazil. Electronic address: [email protected].
  3. Laboratory of Biotechnology and Ecology of Microorganisms, Institute of Health Science, Federal University of Bahia, Reitor Miguel Calmon Ave, S/N, Salvador, BA CEP: 40110-100, Brazil. Electronic address: [email protected].
  4. Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil. Electronic address: [email protected].
  5. NextGen DNA Sequencing Scientific Director, UF-ICBR, Bldg CGRC, Room 178, 2033 Mowry Road, Gainesville, FL 32610, United States. Electronic address: [email protected].
  6. University of St Andrews UK, School of Physics & Astronomy, Physical Science Building, North Haugh, St Andrews, Fife KY16 9SS, United Kingdom. Electronic address: [email protected].
  7. University of St Andrews UK, School of Physics & Astronomy, Physical Science Building, North Haugh, St Andrews, Fife KY16 9SS, United Kingdom. Electronic address: [email protected].
  8. Center for Innovation, Technology and Education - CITE, Universidade Anhembi Morumbi - UAM, Estr. Dr. Altino Bondensan, 500, São José dos Campos, SP CEP: 12247-016, Brazil. Electronic address: [email protected].
  9. Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil. Electronic address: [email protected].

PMID: 34801926 DOI: 10.1016/j.jphotobiol.2021.112356

Abstract

Oil recovery is a challenge and microbial enhanced oil recovery is an option. We theorized that the use of produced water (PW) with photo-stimulation could influence both production and viscosity of Xanthan gum. This study aimed at the evaluation of the effect of photo-stimulation by λ630 ± 1 ηm LED light on the biosynthesis of Xanthan gum produced by Xanthomonas campestris IBSBF 2103 strain reusing PW of the oil industry. We assessed the effect of photo-stimulation by LED light (λ630 nm) on the biosynthesis of Xanthan gum produced by X. campestris in medium containing produced water. Different energy densities applied during the microbial growth phase were tested. The highest production was achieved when using 12 J/cm

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Keywords: Biopolymer; MEOR; Photo-stimulation; Thermoplastic property

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