Publications by authors named "Bing-Qing Zhao"
Article Synopsis
- Researchers developed a chiral hexagonal perovskite that has two stable crystalline forms at room temperature, which show distinct second-harmonic-generation (SHG) signals different from one another by about 18 times.
- These two forms can be interconverted through thermal or pressure changes, thanks to the unique behavior of hydrogen bonds affected by the orientation of specific organic molecules.
- The study highlights that irregular organic cations play a crucial role in modifying inorganic structures, resulting in significantly different optical properties in these room-temperature polymorphs.
Article Synopsis
- - Hybrid ferroelastics show promise for use in mechanical switches, particularly due to interesting high-temperature ferroelastic phase transitions that are not well understood at the molecular level.
- - Two new polar hybrid ferroelastic materials, A[MBr] (specifically using Te and Sn), were created, demonstrating different thermal-induced ferroelastic phase transitions based on the size of the anions involved.
- - The study highlights how the size and interactions of anionic species can influence the nature of phase transitions in ferroelastics, offering insights for developing new multifunctional materials.
Article Synopsis
- Molecular-based ferroic materials are gaining interest for their applications in sensors, switches, and memory, but enhancing their phase-transition temperatures remains a challenge.
- Two new hexagonal molecular perovskites, (nortropinonium)[CdCl] and (nortropinium)[CdCl], have been developed, showcasing a straightforward design principle for achieving high ferroelastic phase transitions.
- The differences in their organic cations, one featuring a rigid carbonyl and the other a flexible hydroxyl group, affect their intermolecular interactions, leading to one material lacking a crystalline phase transition and the other achieving multiple phase transitions and enhanced thermal stability.
Article Synopsis
- - The study aimed to investigate the relationship between the number of examined lymph nodes (LNs) and overall survival rates in gallbladder carcinoma (GBC) patients.
- - Data from 893 patients revealed that having fewer examined LNs, particularly only 1, was linked to significantly poorer survival outcomes, suggesting a minimum of six examined LNs for better prognosis, in line with established cancer guidelines.
- - The findings support the recommendation that examining a higher number of LNs during GBC surgery improves survival, reinforcing the importance of adhering to guidelines that suggest at least six LNs should be analyzed.
Article Synopsis
- The study aimed to analyze the prognostic significance of T4 and N2 categories in stage III pancreatic cancer using the 8th edition AJCC classification.
- Researchers used data from the SEER database, dividing patients into three groups based on tumor size and lymph node involvement, and assessed overall survival (OS) and disease-specific survival (DSS).
- Findings revealed that patients with T4N2 had worse survival outcomes compared to those with T(1-3)N2 or T4N(0-1), leading researchers to suggest a subclassification of stage III pancreatic cancer for better prognosis prediction.
[Biodiversity of subalpine meadow in Heyeping of Luya Mountain, China.].
Ying Yong Sheng Tai Xue Bao
February 2018
In this study, investigation on plant community was conducted in Heyeping subalpine meadow of Luya Mountain in Shanxi Province of China. The importance values of 36 herbaceous species, α diversity index, phylogenetic diversity index, as well as their correlations were investigated. The results showed that the species diversity of the subalpine meadow was uniformly distributed.
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- * A study using data from 30 monitoring stations analyzed the spatial and temporal patterns of PM2.5 and PM10 pollution, revealing higher concentrations in the southern and western parts of the city, with distinct monthly and daily variations influenced by weather conditions.
- * Meteorological factors like temperature and humidity showed a positive correlation with PM concentrations, while wind speed negatively impacted them, indicating that these weather elements are crucial in affecting air quality.
[Influence of salbutamol inhalation during volume target pressure control ventilation on ventilation parameters in patients with respiratory failure].
Zhongguo Wei Zhong Bing Ji Jiu Yi Xue
July 2004
Article Synopsis
- The study aimed to compare volume target pressure control ventilation (VTPC) and volume control ventilation (VCV) on respiratory mechanics in patients with respiratory failure, while also examining the effects of salbutamol inhalation.
- Ten intubated patients (average age 68) were ventilated first with VCV and then with VTPC, measuring respiratory mechanics during both modes and after salbutamol treatment.
- Results showed that VTPC resulted in lower peak inspiratory pressure and increased peak inspiratory flow compared to VCV, and after salbutamol inhalation, airway resistance significantly decreased while peak flow rates increased, indicating improved respiratory mechanics.
Article Synopsis
- The study investigates the impact of dietary natto-extracts, rich in nattokinase (NK), on blood vessel healing and blood clotting in rats.
- Rats experienced induced arterial damage, and those receiving natto-extracts had significantly less intimal thickening than the control group.
- Additionally, NK treatment led to improved dissolution of blood clots at the injury site, suggesting it enhances recovery post-endothelial injury.