Publications by authors named "N Santonja Lopez"

Orthoflaviviruses are positive-sense single-stranded RNA viruses that hijack host proteins to promote their own replication. Zika virus (ZIKV) is infamous among orthoflaviviruses for its association with severe congenital birth defects, notably microcephaly. We previously mapped ZIKV-host protein interactions and identified the interaction between ZIKV non-structural protein 4A (NS4A) and host microcephaly protein ankyrin repeat and LEM domain-containing 2 (ANKLE2).

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Buchwald-Hartwig (BH) aminations are crucial for synthesizing arylamine motifs in numerous bioactive molecules and fine chemicals. While homogeneous palladium complexes can be effective catalysts, their high costs and environmental impact motivate the search for alternative approaches. Heterogeneous palladium single-atom catalysts (SAC) offer promising recoverable alternatives in C-C cross-couplings.

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Article Synopsis
  • Diatomic catalysts (DACs) leverage the interactions between adjacent metal atoms to enhance the properties of single-atom catalysts (SACs), but their preparation and characterization pose challenges.
  • A new carbon nitride-supported Pd-DAC was developed, achieving a remarkable 92% yield in photocatalytic water-donating transfer hydrogenation of 4-vinylphenol, outperforming both Pd single atoms (47%) and nanoparticles (1%).
  • This study combines advanced imaging and machine learning to confirm the presence of dimeric Pd species and uses DFT simulations to explain the superior performance of Pd-DAC through improved substrate activation, offering a more sustainable alternative to traditional hydrogenation methods.
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Single-atom heterogeneous catalysts (SACs) are potential, recoverable alternatives to soluble organometallic complexes for cross-coupling reactions in fine-chemical synthesis. When developing SACs for these applications, it is often expected that the need for ligands, which are essential for organometallic catalysts, can be bypassed. Contrary to that, ligands remain almost always required for palladium atoms stabilized on commonly used functionalized carbon and carbon nitride supports, as the catalysts otherwise show limited activity.

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Background And Objective: Serological screening for Chagas disease (CD) in Latin American adults living in Europe is a cost-effective strategy for transmission prevention. The World Health Organization recommends two different serological tests including native and recombinant antigens for IgG detection. In Spain, most commercialized native tests require manual processing.

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