A comprehensive undergraduate experiment was designed based on the transformation of scientific research achievements. This experiment improved the water oxygen stability and biocompatibility of Ti₃C₂T_x nanosheets coated with polydopamine, and characterized their microstructure, composition, and electrochemical properties. Water plant sludge was used to inoculate mixed microorganisms, and the output voltage, power density, chemical oxygen demand and biological activity of the battery were tested. Using exposed carbon cloth as the control group, explore the design rules of anodes through comparative analysis of data, and encourage students to use self-made batteries to treat domestic and industrial wastewater in the experiment. Adopting a cross evaluation approach to evaluate students' experimental results, stimulating their interest in scientific research, cultivating their critical spirit and ability to solve practical problems.

In this paper, the scientific research project of zinc-air battery is transformed into a comprehensive experimental project. Based on the principle of oxygen electro catalytic reduction reaction, the heteroatom doped porous carbon derived from carbonized bean sprouts is designed. Its performance as the cathode of zinc-air battery is studied, and a multi-dimensional assessment and cross evaluation mechanism is proposed. This experiment involves materials, biology, chemistry, energy and other multi-disciplinary knowledge. It designs and regulates catalytic performance from electronic structure, mass transfer and diffusion, internal conductivity and other aspects, so that students can understand the preparation of biocarbon and the application of zinc-air battery, and master the use of microscopic and spectral characterization equipment. The feedback of scientific research achievements to teaching is conducive to stimulating students' interest in scientific research, and exercising critical thinking and scientific research innovation ability.

More than 60% of cancer patients receive radiation therapy (RT) during their anticancer treatment. However, there is a huge challenge to improve the therapeutic efficacy of RT in less radioresponsive tumors and decrease damages dealt to the surrounding healthy tissues. Herein, we have reported the development of an efficacious RT treatment of relatively radio-resistant breast cancer using W₁₈O₄₉ nanospheres and the second near-infrared (NIR) light irradiation. Featuring the X-ray attenuation ability and photothermal effect, together with ability to generate intracellular singlet oxygen and ·OH, W₁₈O₄₉ nanospheres can significantly increase radiation-induced DNA damage and decrease the mitochondrial membrane potential of cancer cells during RT, causing in nearby three-times improvement in inhibiting the proliferation of 4T1 cells. The in vivo evaluations verify that a rather effective therapeutic outcome is achieved by treatment of 4T1 tumor xenograft with NIR-enhanced RT using W₁₈O₄₉ nanospheres. Moreover, the X-ray attenuation ability and the strong near-infrared absorption of W₁₈O₄₉ nanospheres have enabled highly resolved in vivo computer tomography (CT)/photoacoustic (PA) imaging. This work presents an “all-in-one” synergistic platform to improve the therapeutic efficacy of RT in less radioresponsive tumors, therefore opening a new door for multimodal cancer therapy.

Single site catalysts provide a unique platform for mimicking natural enzyme due to their tunable interaction between metal center and coordinated ligand. However, most works have focused on preparing structural and functional models of nature enzyme, with less reports also taking the local chemical environment, i.e., functional/catalytic residues around the active site which is an essential feature of enzymes, into consideration. Herein, we report a Co-centered porphyrinic polymer containing the enzyme-mimic micro-environment, where the linker triazole over CoN₄ site enables formation of hydrogen bond with the *COOH intermediate, thus promoting the electrocatalytic reduction of CO₂. As-prepared catalyst achieves the CO₂-to-CO conversion of 5, 788 h⁻¹ turnover frequency value and near unit (~ 96%) faradaic efficiency at −0.61 V versus reversible hydrogen electrode. This strategy will bring new dimension of designing highly active single-site catalysts.