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Effect of Particle Size on Physical Properties, Dissolution, In Vitro Antioxidant Activity, and In Vivo Hepatoprotective Properties of Diels et Gilg Powders.
Pharmaceutics
October 2024
Department of Pharmacy, Jiangxi Medical College, Shangrao 334000, China.
The aim of this study was to analyze the effects of different particle sizes of Diels et Gilg (TDG) powders on physical properties, dissolution, in vitro antioxidant activity, and in vivo hepatoprotective properties. The particle size of TDG coarse powders (TDG-CP), TDG fine powders (TDG-FP), and TDG micro powders (TDG-MP) were measured by a laser particle size analyzer. The physical properties were measured according to the latest version of the Chinese Pharmacopoeia (Committee Chinese Pharmacopoeia 2020).
View Article and Find Full Text PDFSource variations of atmospheric particles in response to control measures in northern China during 2022 winter olympics and paralympics: Evidence from microscopic analysis.
Environ Int
December 2024
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China. Electronic address:
Article Synopsis
- The physicochemical characteristics of atmospheric particles are linked to their sources and formation, but past studies were limited in scope.
- This research used computer-controlled scanning electron microscopy (CCSEM) to efficiently analyze air quality across 15 cities in northern China before, during, and after the 2022 Winter Olympic and Paralympic Games.
- Results indicated improved air quality during the Olympics, shown by reduced particle numbers and types, while conditions worsened afterward, highlighting the effectiveness of control measures in different cities.
[Are Optimal modes of laser lithotripsy optimal?].
Urologiia
July 2024
Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia.
Objective: to evaluate the effectiveness of the recommended modes of laser lithotripsy in clinical practice by analyzing the necessity of changing laser radiation parameters during percutaneous nephrolithotripsy (PCNL), ureterolithotripsy (URS) and retrograde intrarenal surgery (RIRS).
Materials And Methods: a prospective non-randomized clinical study was conducted from October 2023 to December 2023. Patients who underwent surgical procedures for urinary stones using a Thulium fiber laser at the Clinic of Urology of Sechenov University were included.
Soil response in a Mediterranean forest ecosystem of Southeast Spain following early prescribed burning.
Heliyon
October 2024
(ECOFOR) Research Group of Forest Ecology, Agricultural and Forest Engineers Higher Technical School, to University of Castilla-La Mancha, in Albacete, Spain.
Article Synopsis
- * This study conducted in SE Spain assessed the ecological impact of PB on semi-arid soils, examining soil respiration and physicochemical properties to determine how fire affects soil structure and microbiota recovery.
- * Although no significant changes were observed one year after PB, immediate effects were noted post-burn, suggesting that prescribed fire may not harm soil health in fragile ecosystems, but more research is needed to understand the influence of fire intensity and timing.
Identifying Process Differences with ToF-SIMS: An MVA Decomposition Strategy.
J Am Soc Mass Spectrom
December 2024
UHasselt, Data Science Institute, Interuniversity Institute for Biostatistics and Statistical Bioinformatics, Center for Statistics, Agoralaan, 3590 Diepenbeek, Belgium.
In time-of-flight secondary ion mass spectrometry (ToF-SIMS), multivariate analysis (MVA) methods such as principal component analysis (PCA) are routinely employed to differentiate spectra. However, additional insights can often be gained by comparing processes, where each process is characterized by its own start and end spectra, such as when identical samples undergo slightly different treatments or when slightly different samples receive the same treatment. This study proposes a strategy to compare such processes by decomposing the loading vectors associated with them, which highlights differences in the relative behavior of the peaks.
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