Publications by authors named "Chu S"

Salt stress could lead to plant growth barriers and crop yield reduction. Strawberries are sensitive to salt stress, and improving salt tolerance is important for strawberry production. This study aimed to explore the potential of hydrogen-rich water (HRW) to enhance salt tolerance in strawberries.

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Hybridization coupling among plasmon modes is an effective approach to manipulate near-field properties thus optical spectral shapes of plasmonic nanostructures. Generally, mode hybridization coupling is achieved by modifying the topography and dimensions of nanostructures themselves, with few concerns about substrate-induced manipulation. Herein, we propose a composite nanostructure consisting of a gold (Au) nanodisk array and a thin Au film supported by a dielectric substrate.

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Raman scattering is sensitive to local temperature and thus offers a convenient tool for non-contact and non-destructive optical thermometry at the nanoscale. In turn, all-dielectric nanostructures, such as silicon particles, exhibit strongly enhanced photothermal heating due to Mie resonances, which leads to the strong modulation of elastic Rayleigh scattering intensity through subsequent thermo-optical effects. However, the influence of the complex photo-thermo-optical effect on inelastic Raman scattering has yet to be explored for resonant dielectric nanostructures.

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Background: Lead is persistent in the environment as a toxic substance and accumulates in the human body. Lead exposure has far-reaching harmful effects on all human systems and is widely recognized as a health and public health concern. Lead exposure poses a significant risk to oral health, as it destroys salivary glands and alveolar bone.

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Multi-level thresholding for image segmentation is one of the key techniques in image processing. Although numerous methods have been introduced, it remains challenging to achieve stable and satisfactory thresholds when segmenting images with various unknown properties. This paper proposes an equilibrium optimizer algorithm to find the optimal multi-level thresholds for grayscale images.

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As the core component of the all-metal micro resonant gyroscope, the structural parameters and form and position errors of the resonator significantly influence its vibration characteristics, and consequently, the accuracy of the gyroscope. By establishing the finite element model of an ideal hemispherical resonator and optimizing the meshing method, we refined the frequency difference to 0.1 Hz, enhancing the accuracy of the simulation model.

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Gastric cancer (GC) is a leading cause of cancer-related mortality, particularly in East Asia. Despite treatment advances, the prognosis remains poor owing to late diagnosis and high metastatic potential. Phosphorylated AXL (pAXL), a receptor tyrosine kinase, promotes cancer progression, including epithelial-mesenchymal transition (EMT), tumor growth, and metastasis.

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Article Synopsis
  • Rotala rotundifolia is a versatile aquatic plant known for its effective removal of nitrogen and phosphorus and has traditional medicinal uses in China for over a century.
  • Researchers investigated the bioactive components across different tissues and growth stages of both submerged and emergent forms of the plant, using a response surface method to optimize the extraction of flavonoids.
  • The study found that submerged R. rotundifolia had significantly higher levels of flavonoids and triterpenoids compared to its emergent form, with optimized extraction conditions yielding valuable phytochemical evidence for its potential applications.
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Ischemic stroke (IS) is one of the top risk factors for death and disability. Meteorological conditions have an effect on IS attack. In this study, we try to develop models of medical meteorological forecast for IS attack based on machine learning and deep learning algorithms.

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Objective: We conducted a study titled for Investigation on the characteristics of 24-hour blood pressure (BP) dipping patterns in hypertensive stroke patients.

Methods: Descriptive research, analysis, and comparison, the research was conducted from July 2019 to September 2020 at the Vietnam Heart Institute - Bach Mai Hospital. There are 100 patients diagnosed with idiopathic hypertension who were divided into two groups (without stroke complications and another group with chronic stroke complications > 6 weeks), both groups were similar in age (45-64 years old).

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The photocatalytic conversion of plastic waste into value-added products using solar energy presents a promising approach for promoting environmental sustainability. Nonetheless, the emission of CO during the conventional photocatalytic degradation process remains a major hurdle that impedes its further development. In this study, we propose an efficient photocatalytic conversion of polyethylene plastic into syngas (CO+H mixtures) by using a ZnS/GaO Z-scheme heterojunction photocatalyst.

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We show a thermally stable self-injection DFB laser lock to a microring resonator system, increasing the range of temperature for which a laser stays within 100 MHz of the target frequency by a factor of 100. By including amplification in the feedback loop, the per-laser power dedicated to this locking was reduced. We further added a 2.

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A cellulose nanocrystal (CNC)-annealed hydrogel (CAH) structure, including doxorubicin (DOX) and 2-deoxy-d-glucose (2DG), was developed for local chemo-metabolic therapy (LCMT) of melanoma. DOX has been used as a chemotherapeutic agent because of its intercalation into DNA and generation of free radicals. 2DG has been used as a glycolytic inhibitor in multiple metabolic therapies in combination with DOX.

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Article Synopsis
  • - N-methyl-d-aspartate receptors (NMDARs) are key players in excitatory neurotransmission in the central nervous system and are linked to several neurological disorders, making them a target for potential therapies.
  • - The study investigates the effects of chelerythrine (CHE), an alkaloid with various biological activities, on NMDAR function, revealing that CHE suppresses NMDA-induced currents in neurons and facilitates desensitization of GluN2B NMDARs.
  • - The inhibitory action of CHE on GluN2B NMDARs is independent of protein kinase C activity and is influenced by pH, with specific interactions identified at the receptor's M3 α-helical
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  • The study aimed to evaluate the safety and effectiveness of tenofovir amibufenamide (TMF) in patients over 65 with chronic hepatitis B and liver cirrhosis, involving 45 participants treated for 48 weeks.
  • Results showed a significant decrease in HBV DNA levels and an increasing rate of complete virological responses at 12, 24, and 48 weeks (32.4%, 70.0%, and 84.6%, respectively).
  • The treatment also led to improved alanine aminotransferase (ALT) levels, with 88.9% normalizing after 48 weeks, and no serious side effects were reported, indicating TMF is safe and effective for older patients with
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Social isolation affects the brain and behavior in a variety of animals, including humans. Studies in traditional laboratory rodents, including mice and rats, have supported the idea that short-term social isolation promotes affiliative social behaviors, while long-term isolation promotes anti-social behaviors, including increased aggression. Whether the effects of isolation on the social behaviors of mice and rats generalize to other rodents remains understudied.

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Objectives: These two clinical case reports show the use of the Triple Layer Graft procedure along with the Decoronation procedure to help restore normal contour and height of tissue The procedure was highly effective at restoring the esthetics that the patients needed on their implants. Short and long term results along with the step by step technique are shown.

Clinical Considerations: Two patients of 33 and 25 years of age both had significant reduction in the height over their implants in the #7 and #10 locations.

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Metal-μhemispherical resonant gyros (M-μHRGs) are widely used in highly dynamic navigation systems in extreme environments due to their high accuracy and structural stability. However, the effect of temperature variations on the capacitance characteristics of M-μHRGs has not been fully investigated, which is crucial for optimizing the performance of the gyro. This study aims to systematically analyze the effect of temperature on the static and dynamic capacitances of M-μHRGs.

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Transparent heaters are gaining significant attention for applications such as antifog glass, smart windows, and smart farm greenhouses. A transparent heater basically consists of transparent conducting materials that serve as a heating area and contact pad electrode to apply power. To fabricate a transparent heater, materials with excellent light transmittance and low sheet resistance are required.

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  • The study explores the use of plant growth-promoting rhizobacteria (PGPR), specifically Klebsiella sp. AW2, for decontaminating cadmium (Cd)-polluted soil and water in an eco-friendly way.
  • The isolated PGPR strain showed tolerance to high levels of cadmium and achieved a biosorption rate of 40.99% under optimal conditions, indicating effective uptake of Cd through a specific chemisorption mechanism.
  • Additionally, pot experiments revealed that applying the PGPR significantly improved the growth of Solanum nigrum and enhanced the plant's ability to extract cadmium from the soil, showcasing its potential as a biocleaner for contaminated environments.
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Dimensionality reduction is a method used in machine learning and data science to reduce the dimensions in a dataset. While linear methods are generally less effective at dimensionality reduction than nonlinear methods, they can provide a linear relationship between the original data and the dimensionality-reduced representation, leading to better interpretability. In this research, we present a tied-weight autoencoder as a dimensionality reduction model with the merit of both linear and nonlinear methods.

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Altered mental status (AMS) and coma are terms used to describe disorders of arousal and content of consciousness. AMS may account for up to 4% to 10% of chief complaints in the emergency department setting and is a common accompanying symptom for other presentations. AMS is not a diagnosis, but rather a term for symptoms of acute or chronic disordered mentation, including confusion, disorientation, lethargy, drowsiness, somnolence, unresponsiveness, agitation, altered behavior, inattention, hallucinations, delusions, and psychosis.

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