Publications by authors named "M J Hernaiz"

Rhamnolipids (RLs) are widely studied biosurfactants with significant industrial potential in cosmetics, pharmaceuticals, and bioremediation due to their excellent surface activity, emulsifying properties and bioactive characteristics. However, high production costs impede their mass production. This study investigates the immobilization of Pseudomonas stutzeri lipase (PSL) on various supports to enhance RL synthesis efficiency, focusing on yield and regioselectivity in the enzymatic synthesis of 4-O-lauroylrhamnose by the transesterification of rhamnose with vinyl laurate.

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Article Synopsis
  • The study focused on replacing NaCO in sodium manganese ferrite with various eutectic or eutectoid alkali carbonate mixtures, which enhanced hydrogen production speed, especially with the (LiNa)CO mixture.
  • The fast hydrogen production was linked to the partial melting of the eutectoid carbonate, which facilitates ion diffusion, but this came at the cost of overall reversibility in hydrogen production upon cycling.
  • While the nonsubstituted Na mixture displayed the best reversibility, the 50%Li-Na and Li-K-Na mixtures completely failed to produce hydrogen after the first cycle, primarily due to unwanted phase formation and increased sintering in the carbonate mixtures.
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Oxidative stress is prevalent in Type 2 Diabetes Mellitus (T2DM) and has been associated with high meat consumption. Carob Fruit Extract (CFE) contains phenolic compounds, making it a suitable functional ingredient. Current study aims to evaluate the effect of CFE-enriched meat (CFE-meat) consumption on the antioxidant status of proximal and distal colon, and its relationship with fecal phenolic compounds in late-stage T2DM rats.

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The root system plays an essential role in plant growth and adaptation to the surrounding environment. The root clock periodically specifies lateral root prebranch sites (PBS), where a group of pericycle founder cells (FC) is primed to become lateral root founder cells and eventually give rise to lateral root primordia or lateral roots (LRs). This clock-driven organ formation process is tightly controlled by modulation of auxin content and signaling.

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Genome mining of DSMZ 41693 has allowed us to identify four different lipase-encoding sequences, and one of them (LipC) has been successfully cloned and extracellularly expressed using sp. T104 as a host. LipC was purified by one-step hydrophobic interaction chromatography.

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