Coefficient of variation method combined with XGboost ensemble model for wheat growth monitoring.

Introduction: Obtaining wheat growth information accurately and efficiently is the key to estimating yields and guiding agricultural development.

Methods: This paper takes the precision agriculture demonstration area of Jiaozuo Academy of Agriculture and Forestry in Henan Province as the research area to obtain data on wheat biomass, nitrogen content, chlorophyll content, and leaf area index. By using the coefficient of variation method, a Comprehensive Growth Monitoring Indicator (CGMI) was constructed to perform fractional derivative processing on drone spectral data, and correlation analysis was performed on the fractional derivative spectra with a single indicator and CGMI, respectively.

Healthcare providers' perception of faecal microbiota transplantation with clostridium difficile infection and inflammatory bowel disease: a quantitative systematic review.

Background: Clostridioides difficile infection (CDI) and inflammatory bowel disease (IBD) are global gastroenterological diseases that cause considerable burden on human health, healthcare systems, and society. Faecal microbiota transplantation (FMT) is an effective treatment for recurrent Clostridioides Difficile Infection (rCDI) and a promising therapy for IBD. However, indication for FMT in IBD is still unofficial.

Gene expression in human umbilical vein endothelial cells exposed to fine particulate matter: RNA sequencing analysis.

Exposure to airborne particulate matter (PM2.5) is associated with cardiovascular diseases. In order to investigate the molecular mechanisms of air pollution-induced CVDs toxicity, human umbilical vein endothelial cells (HUVECs) were exposed to PM2.

Air-Processed MAPbBr Perovskite Thin Film with Ultrastability and Enhanced Amplified Spontaneous Emission.

The poor stability, in particular with respect to temperature, moisture, and light exposure, remains a ubiquitous impediment virtually for metal halide perovskite materials and devices in their future practical application. Herein, from the perspective of precursor solution chemistry, ionic liquid solvent methylammonium acetate (MAAc) is introduced to prepare high-quality MAPbBr perovskite thin films in a one-step air-processing process without anti-solvent treatment. Due to formation of pinhole-free, uniform, and compact MAPbBr perovskite film, excellent amplified spontaneous emission (ASE) with high emission efficiency and low threshold is obtained under nanosecond laser.

Delivery of apigenin-loaded magnetic FeO/FeO@mSiO nanocomposites to A549 cells and their antitumor mechanism.

This study introduces a mesoporous magnetic nano-system for the delivery of apigenin (API). A targeted therapeutic drug delivery system was prepared based on FeO/FeO@mSiO-HA nanocomposites. Magnetic FeO/FeO heterogeneous nanoparticles were first prepared via the rapid-combustion process.

All-inorganic Sn-based Perovskite Solar Cells: Status, Challenges, and Perspectives.

Recently, the power conversion efficiency (PCE) of perovskite solar cells (PSC) based on organic-inorganic hybrid Pb halide perovskites has reached 25.2 %. However, the toxicity of Pb has still been a main concern for the large-scale commercialization of Pb-based PSCs.

Optimization on Adsorption Process of Congo Red onto Magnetic NiCuFe₂O₄/SiO₂ Nanocomposites and Their Adsorption Mechanism.

Magnetic NiCuFe₂O₄/SiO₂ nanocomposites were prepared via a solution combustion process, and were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM), Energy dispersive X-ray Spectroscopy (EDX) and vibrating sample magnetometer (VSM). The magnetic NiCuFe₂O₄/SiO₂ nanocomposites were employed to remove Congo red (CR) from aqueous solution, and the adsorption process was optimized by response surface methodology (RSM). The optimum conditions were the silica content of 12.

Removal of Congo Red by Magnetic MnFe₂O₄ Nanosheets Prepared via a Facile Combustion Process.

Magnetic MnFe₂O₄ nanosheets were prepared via the facile combustion process, the morphology, chemical composition, microstructure and magnetic properties of them were investigated by SEM, EDX, XRD, TEM, SAED and VSM. The as-prepared magnetic MnFe₂O₄ nanosheets calcined at 400 °C for 2 h with absolute alcohol of 30 mL were characterized with average diameter of about 55 nm, the thickness of around 20 nm, the specific magnetization of 44.0 Am²/kg and the specific surface area of 49.

Optimization of Citrate-Gel Preparation Process for Magnetic Ni-Zn Ferrite Nanoparticles.

Magnetic Ni-Zn ferrite nanoparticles were prepared via the citrate-gel process, their microstructure and the properties were characterized by XRD, VSM, SEM, and TEM techniques. For smaller grain size and larger specific saturation magnetization, the preparation technology for magnetic Ni-Zn ferrite nanoparticles was optimized, and the optimization conditions followed as: the molar ratio of Ni, Zn and Fe was 1:1:4, citric acid was applied according to the mole ratio of 1:1 for citric acid and metal, the solvent of 100 mL was the mixed liquor of alcohol and water with volume ratio of 1:1, pH value was 1, reaction time was 24 h, the calcination temperature was 400 °C, and the heating rate was 3 °C/min. The average crystallite size of the as-prepared Ni0.

Transcriptomic Analyses of the Biological Effects of Airborne PM2.5 Exposure on Human Bronchial Epithelial Cells.

Epidemiological studies have associated high levels of airborne particulate matter (PM) with increased respiratory diseases. In order to investigate the mechanisms of air pollution-induced lung toxicity in humans, human bronchial epithelial cells (16HBE) were exposed to various concentrations of particles smaller than 2.5 μm (PM2.

Depletion of PKM2 leads to impaired glycolysis and cell death in 2-demethoxy-2,3-ethylenediamino hypocrellin B-photoinduced A549 cells.

2-Demethoxy-2,3-ethylenediamino hypocrellin B (EDAHB) is an efficient photosensitizer that mediates cancer cell apoptosis. In order to better understand the molecular mechanisms involved in its antitumour activity, we used proteomics technology to identify candidate targets in A549 cells using EDAHB-mediated photodynamic therapy (EDAHB-PDT). The protein profile changes between untreated and PDT-treated A549 cells were analysed using two-dimensional polyacrylamide gel electrophoresis (2-DE).