Mpox virus (MPXV) infections have increased in many countries since May 2022, increasing demand for diagnostic tests and research on the virus. To ensure personnel safety, appropriate and reliable measures are needed to disinfect and inactivate infectious samples; Methods: We evaluated the stability of infectious MPXV cultures stored at different temperatures and through freeze-thaw cycles. Heat physical treatment (56 °C, 70 °C, 95 °C), chemical treatment (beta-propiolactone (BPL)) and two commercialized disinfectants (Micro-Chem Plus (MCP) and ethanol) were tested against infectious MPXV cultures; Results: The results indicated that MPXV stability increases with lower temperatures.
View Article and Find Full Text PDFBackground: Large-scale vaccine production requires downstream processing that focuses on robustness, efficiency, and cost-effectiveness.
Methods: To assess the robustness of the current vaccine production process, three batches of COVID-19 Omicron BA.1 strain hydrolytic concentrated solutions were selected.
Hum Vaccin Immunother
December 2023
Single-phase monazite-type ceramics are considered as potential host matrices for the conditioning of separated plutonium and minor actinides. Sm-orthophosphates were synthesised and their behaviour under irradiation was investigated with respect to their long-term performance in the repository environment. Sintered SmPO pellets and thin lamellae were irradiated with 1, 3.
View Article and Find Full Text PDFThe longitudinal relationship between students' pre-existing adaptability and subsequent sleep and mental health during the COVID-19 pandemic has not been studied. The present study examines the relationship between adaptability and students' anxiety, depression, and insomnia during and after the lockdown related to COVID-19. 5,235 university students participated in a longitudinal study with three time points.
View Article and Find Full Text PDFAlthough accumulating evidence suggests the COVID-19 pandemic is associated with costs in mental health, the development of students' mental health, including the change from their previous levels of depression and anxiety and the factors associated with this change, has not been well-studied. The present study investigates changes in students' anxiety and depression from before the pandemic to during the lockdown and identifies factors that are associated with these changes. 14,769 university students participated in a longitudinal study with two time points with a 6-month interval.
View Article and Find Full Text PDFLanthanide phosphates ( ) are considered as a potential nuclear waste form for immobilization of Pu and minor actinides (Np, Am, and Cm). In that respect, in the recent years we have applied advanced atomistic simulation methods to investigate various properties of these materials on the atomic scale. In particular, we computed several structural, thermochemical, thermodynamic and radiation damage related parameters.
View Article and Find Full Text PDFThe NIH potency test for human rabies vaccines has disadvantages for use, especially in developing countries where rabies is endemic and prophylaxis needs ample, rapid, and reliable vaccine supplies. In China, 60-75 million doses of human rabies vaccines are administered each year. Vaccine quality control is of paramount importance, as is the release of potency-validated vaccines.
View Article and Find Full Text PDFThis study investigates the incorporation of the minor actinide curium (Cm) in a series of synthetic LaGd PO ( x = 0, 0.24, 0.54, 0.
View Article and Find Full Text PDFDi Yi Jun Yi Da Xue Xue Bao
February 2003
Objective: To study the clinical characteristics, diagnosis, and surgical treatment of primary cardiac tumors.
Method: The clinical features and surgical results in 126 cases (1971-2000) of primary cardiac tumors were analyzed retrospectively.
Results: Among the 121 patients with benign tumors were treated surgically, 6 had recurrence of the pathologically confirmed intracardiac myxoma in a period of 1 to 7 years after surgery, and all were cured after reoperation.
Objective: To understand the pathological features of congenital dextrocardia and explore its diagnosis and surgical treatment.
Method: The clinical data from 32 cases of congenital dextrocardia were collected to understand the major cardiac anomalies and evaluate the diagnostic approaches of this disease. Analysis of the effect of surgical treatment was also conducted in 16 among the 32 cases.