ArticleBiotechnology letters2026
Immobilized Aspergillus niger lipase over hydrogen titanate nanotubes as a biocatalyst for biodiesel production.
Article in Biotechnology letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundImmobilization of lipase enzyme is a promising approach towards cost-effective production of biodiesel to protect the enzyme from denaturation during the transesterification process.
methodsIn the present study, hydrogen titanate nanotubes (HTNTs), synthesized by simple hydrothermal method, was used to immobilize lipase from Aspergillus niger via physical adsorption with the following ratios of HTNTs and lipase; 1 T: 1 L, 1 T: 0.75 L, 1 T: 0.5 L, and 1 T: 0.25 L. All prepared samples were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The catalytic activities of free and immobilized lipases were evaluated for biodiesel production using sunflower oil, methanol to oil molar ratio of 4: 1 at 40 °C for 90 min.
resultsThe biodiesel yields (0% water content, 0.877 g/cm
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