Here, a new class of quantum dots, that is, sulphur quantum dots (SQDs), which are synthesized by the phase interfacial reaction, is reported. The prepared SQDs are monodisperse with a narrow size distribution (average 1.6 nm in size), excellent aqueous dispersibility, ultrahigh photostability, and lowly toxicity. Because of abundant oxidized sulphur species on the surface of SQDs, the incorporation of TiO2 with SQDs results in a synergistic effect for the TiO2‐based photocatalysts offering more effective environmental applications. It is demonstrated that SQDs‐TiO2 nanocomposite can enhance the photocatalytic activity of producing hydrogen (enhancement factor for 191) in methanol‐water system. The SQDs also can used as fluorescent probe for highly selective quantitative detection Fe3+ in an aqueous solution contained various metal ions.

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Rationale:Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) could reveal potential lymph node involvement and assisted locating sample sites for pathological examinations.Patient concerns:Help choose the right treatment strategies for patients. To better stage immature ovarian teratomas with 18F-FDG PET/CT when lymphatic metastasis is suspected while lymph node biopsy results are negative.Diagnoses:The ultimate pathological diagnosis was left ovarian cancer, an immature teratoma (IMT) Grade 1.Interventions:Surgery was the initial treatment option. Chemotherapy (BEP scheme: Bleomycin 30 mg d1, 7 + Etoposide 100mg d1-6 + Cisplatin 50mg d1-3) was then administered.Outcomes:The post-operational pathological examination additionally showed a small number of tumor cells in para-aortic lymph nodes. The end-of-treatment disclosed no recurrent tumors and serum levels of AFP (2.9 ng/mL), hCG (0.12 mIU/L), and CA-125 (11.4 IU/mL) were normal.Lessons:18F-FDG PET/CT successfully detected lymphatic metastasis when lymph node biopsy results were negative, which would be of great significance in detecting metastasis and monitoring reoccurrence of ovarian immature teratomas.

It is well known that finite element analysis (FEA) is a powerful tool when it comes to the design and analysis of complex structures for various load combinations, including light steel curve members. This abstract provides an overview of the FEA simulation process for designing such members (cure members), which involves constructing a 3D model, discretising the member into small elements, assigning material properties, defining boundary conditions, conducting the simulation, analysing the results, and making any necessary modifications to the design. FEA simulations can provide valuable insights into the behaviour of light steel curved members under different load combinations. This enables designers to optimise designs for strength, safety, and cost-effectiveness. This article proposes using two commercial 3D software programs, Rhino 7 and Strand7, to complete the FEA simulation of light steel curved members. The 3D model is created in Rhino 7, and the individual elements are discretised into more minor elements using Strand7 for assigning material properties, defining boundary conditions, running simulations, and analysing the results. The paper presents five case studies of steel–glass façades and applies the proposed methodology to each. Examples include Phoenix International Media Center in Beijing, Kazakhstan Pavilion and Science Museum in Astana, Moynihan Train Hall in New York City, Chadstone Shopping Centre in Melbourne, and the central light rail station in The Hague.