Exploring and increased acetate biosynthesis in Synechocystis PCC 6803 through insertion of a heterologous phosphoketolase and overexpressing phosphotransacetylase.

Acetate is a biological anion with many applications in the chemical and food industries. In addition to being a common microbial fermentative end-product, acetate can be produced by photosynthetic cyanobacteria from CO using solar energy. Using wild-type cells of the unicellular model cyanobacterium Synechocystis PCC 6803 only low levels of acetate are observed outside the cells.

A Facile Electrode Modification Approach Based on Metal-Free Carbonaceous Carbon Black/Carbon Nanofibers for Electrochemical Sensing of Bisphenol A in Food.

Bisphenol A (BPA) is a typical environmental estrogen that is distributed worldwide and has the potential to pose a hazard to the ecological environment and human health. The development of an efficient and sensitive sensing strategy for the monitoring of BPA residues is of paramount importance. A novel electrochemical sensor based on carbon black and carbon nanofibers composite (CB/f-CNF)-assisted signal amplification has been successfully constructed for the amperometric detection of BPA in foods.

The complete genome sequence of Stenotrophomonas sp. P2112 for genome mining of polyvinyl chloride degrading enzymes.

Stenotrophomonas sp. P2112, isolated from a marine sediment sample of the Pacific Ocean, can grow in mineral medium with polyvinyl chloride (PVC) plastic as sole carbon source. Here, we present the complete genome of Stenotrophomonas sp.

Study of CO-hydrate formation in contact with bulk nanobubbles: An investigation from experiment and molecular-dynamics simulations.

Hypothesis: Nanobubbles (NBs) have been extensively investigated as a sustainable promoter for gas hydrate nucleation, which also contribute to the hydrate memory effect. However, less attention afforded to their effects on the hydrate-growth process, thus lacking a complete perspective of the overall effects from NBs on hydrate formation. We hypothesize that their effect on CO hydrate growth may vary depending on the properties of NBs.

Coordination Self-Assembly Induced Hot Exciton Fluorescence and Multi-Source Excitation Long Afterglow.

Metal-organic complexes with long afterglow luminescence have attracted extensive attention due to potential applications in display, sensing and information security. However, most of the metal-organic complex long afterglow materials reported so far are limited to the use of UV light as the excitation source, and the ambiguity of the structure-activity relationship makes the development of metal-organic complexes extremely limited. Herein, a series of metal-organic complexes with ultralong emission lifetime is constructed by coordination assembly of Zn(II) with three isomers.