Dihydrotanshinone I (DHT) is an active ingredient derived from Salvia miltiorrhiza. Previous studies have demonstrated that DHT can improve cardiac function in rats with myocardial ischemia-reperfusion injury (IR). However, the mechanism by which DHT improves myocardial injury in rats still requires further research.
View Article and Find Full Text PDFSensitive detection of incident acoustic waves over a broad frequency band offers a faithful representation of photoacoustic pressure transients of biological microstructures. Here, we propose a plasmon waveguide resonance sensor for responding to the photoacoustic impulses. By sequentially depositing Au, MgF, and SiO films on a coverslip, a composite waveguide layer produces a tightly confined optical evanescent field at the SiO-water interface with extremely strong electric field intensity, enabling the retrieval of photoacoustic signals with an estimated noise-equivalent-pressure (NEP) sensitivity of ∼92 Pa and a -6-dB bandwidth of ∼208 MHz.
View Article and Find Full Text PDFAccelerated interfacial hole transfer over Au/TiO photocatalysts facilitates a highly efficient oxidative coupling of methane, achieving a C hydrocarbon production rate of 3.3 mmol g h and selectivity of up to 97%.
View Article and Find Full Text PDFIntensification of poultry industry has led to a surge in animal product output, but this has also revealed issues with environmental management in poultry houses, particularly the harmful effects of high hydrogen sulfide (HS) levels on poultry health. The study aimed to assess the therapeutic impact of tea tree oil (TTO) on HS-induced spleen and intestinal injuries in chickens. A total of 240 one-day-old Lohmann Brown chicks were randomly divided into three groups: the control group (CON), the HS exposure group (AVG), and the TTO treatment group (TTG), with four replicates, each consisting of 20 chicks.
View Article and Find Full Text PDFNanomaterials (Basel)
September 2024
This study investigated the use of tea tree oil (TTO) in the treatment of HS-induced lung injury in chickens, focusing on the detoxification mechanism. HS can damage the respiratory system and reduce growth performance. TTO can improve immune inflammation and growth performance.
View Article and Find Full Text PDFReducing VOCs can effectively reduce the concentration of PM and O. Different gasoline compositions can impact the VOC species emitted by GDI and PFI vehicles. In this study, VOC species emitted from GDI and PFI vehicles combusting gasoline with different compositions (i.
View Article and Find Full Text PDFACS Appl Mater Interfaces
September 2024
Clinically, conventional sutures for repair of short-distance nerve injuries (< 5 mm) may contribute to uncontrolled inflammation and scar formation, thus negatively impacting nerve regeneration. To repair transected peripheral nerves with short distances, a rapid-forming, robust adhesive chitosan hydrogel is prepared by synthesizing maleic and dopamine bi-functionalized fungal-sourced chitosan (DM) and subsequently photopolymerizing DM precursor solution. The hydrogel rapidly polymerized under UV light irradiation (≈2 s) and possessed a strong adhesive strength (273.
View Article and Find Full Text PDFJ Environ Sci (China)
March 2025
The emission of heavy-duty vehicles has raised great concerns worldwide. The complex working and loading conditions, which may differ a lot from PEMS tests, raised new challenges to the supervision and control of emissions, especially during real-world applications. On-board diagnostics (OBD) technology with data exchange enabled and strengthened the monitoring of emissions from a large number of heavy-duty diesel vehicles.
View Article and Find Full Text PDFHyaluronic acid hydrogels are promising materials for diverse applications, yet their potential is hampered by limitations such as low self-healing efficiency and insufficient mechanical strength. Inspired by the heterogeneous structures of spider silk, we introduce a novel dual dynamically crosslinked network hydrogel. This hydrogel comprises an acylhydrazone-crosslinked network, utilizing aldehyde hyaluronic acid (AHA) and 3,3'-dithiobis (propionohydrazide) (DTP) as a first network, and a secondary network formed by hydrogen bonds-crosslinked network between tannic acid (TA) and silk fibroin (SF) with β-sheet formation.
View Article and Find Full Text PDFHigh exhaust temperature is an intrinsic nature of natural gas engines which underlies power de-rating and thermal aging of after-treatment system; therefore, this study integrates an organic Rankine cycle (ORC) system between engine and it's three-way catalyst (TWC) to address these challenges. ORC facilitates power output enhancement through exhaust energy recovery and alleviates thermal aging by reducing exhaust temperature. To estimate the effectiveness of this hypothesized system, a simulation-based investigation is performed.
View Article and Find Full Text PDFReperfusion therapy is critical for saving heart muscle after myocardial infarction, but the process of restoring blood flow can itself exacerbate injury to the myocardium. This phenomenon is known as myocardial ischemia-reperfusion injury (MIRI), which includes oxidative stress, inflammation, and further cell death. microRNA-146a (miR-146a) is known to play a significant role in regulating the immune response and inflammation, and has been studied for its potential impact on the improvement of heart function after myocardial injury.
View Article and Find Full Text PDFThrough the substitution reaction between 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and sodium lignosulfonate (LS), a novel phosphorus-containing sodium lignosulfonate (DAL) was successfully synthesized via the solvothermal method and used as a multifunctional flame retardant to prepare a novel silicone-acrylic emulsion (SAE) composite Si-P-C coating. The structure of DAL was determined by X-ray diffraction (XRD), attenuated total reflection infrared spectroscopy (ATR-FTIR), X-ray photoelectron spectroscopy (XPS), and nuclear magnetic resonance (solid-state C NMR and P NMR). The results demonstrated that incorporating an appropriate dosage of DAL (0.
View Article and Find Full Text PDFA large amount of hydrogen sulfide (HS) is produced in the process of chicken breeding, which can cause serious inflammation and oxidative damage to the respiratory system of chickens. Tea tree oil (TTO) has antioxidant and anti-inflammatory properties. No studies have been reported on the use of TTO in HS-induced lung injury in chickens.
View Article and Find Full Text PDFDepression is a common mental disorder. In recent years, more and more attention has been paid to depression and its etiology and pathogenesis. This review aims to explore the neuroprotective and antidepressant effects of hop components.
View Article and Find Full Text PDFJ Environ Sci (China)
June 2024
Because of global warming, people have paid more attention to greenhouse gas emitted by vehicles. To quantify the impact of temperature on vehicle CO emissions, this study was conducted using the world light vehicle test cycle on two light-duty E10 gasoline vehicles at ambient temperatures of -10, 0, 23, and 40℃, and found that CO emission factors of Vehicle 1 in the low-speed phase were 22.07% and 20.
View Article and Find Full Text PDFHigh levels of intra-specific polymorphism and frequent hybridisation make it difficult to define species and correctly apply their scientific names. L. is a challenging genus with plentiful natural and artificial hybrids.
View Article and Find Full Text PDFIn Vitro Cell Dev Biol Anim
January 2024
Cardiovascular disease is the deadliest disease in the world. Previous studies have shown that Dihydrotanshinone I (DHT) can improve cardiac function after myocardial injury. This study aimed to observe the protective effect and mechanism of DHT on H9c2 cells by establishing an oxygen-glucose deprivation/reoxygenation (OGD/R) injury model.
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