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Scanning electron microscopy of the surfaces of the seaweeds Laminaria japonica, haploid Porphyra yezoensis, Ulva pertusa and the diploid conchocelis of P. yezoensis and P. haitanensis revealed Vibrio and Micrococcus to be abundant on the surfaces of U. pertusa and P. yezoensis. Vibrio, Flavobacterium, Pseudomonas, Staphylococcus, Bacillus, Corynebacterium(More)
In this work, we report a facile method using MoS₂ quantum dots (QDs) as reducers to directly react with HAuCl₄ for the synthesis of Au nanoparticle@MoS₂ quantum dots (Au NP@MoS₂ QDs) core@shell nanocomposites with an ultrathin shell of ca. 1 nm. The prepared Au NP@MoS₂ QDs reveal high surface enhanced Raman scattering (SERS) performance regarding(More)
A multifunctional nanoplatform based on black phosphorus quantum dots (BPQDs) was developed for cancer bioimaging and combined photothermal therapy (PTT) and photodynamic therapy (PDT). BPQDs were functionalized with PEG chains to achieve improved biocompatibility and physiological stability. The as-prepared nanoparticles exhibite prominent near-infrared(More)
Black phosphorus (BP), a new type of two-dimensional nanomaterial, has attracted crucial attention in recent years owing to its excellent properties and great potential in various chemical, physical, and biological fields. In this study, BP nanosheets loaded with Au nanoparticles (BP-Au NSs) are obtained by a one-step facile synthetic method. The Au(More)
Ascribe to the unique two-dimensional planar nanostructure with exceptional physical and chemical properties, black phosphorous (BP) as the emerging inorganic two-dimensional nanomaterial with high biocompatibility and degradability has been becoming one of the most promising materials of great potentials in biomedicine. The exfoliated BP sheets possess(More)
The biological pH plays an important role in various cellular processes. In this work, a novel strategy is reported for biological pH sensing by using Raman spectroscopy and polyaniline nanoparticles (PANI NPs) as the pH-sensitive Raman probe. It is found that the Raman spectrum of PANI NPs is strongly dependent on the pH value. The intensities of Raman(More)
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