Publications by authors named "Liu Yanhua"

Skin-like sensors capable of detecting multiple stimuli simultaneously have great potential in cutting-edge human-machine interaction. However, realizing multimodal tactile recognition beyond human tactile perception still faces significant challenges. Here, an extreme environments-adaptive multimodal triboelectric sensor was developed, capable of detecting pressure/temperatures beyond the range of human perception.

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Lightweight and robust self-powered wearable devices are of great importance in rehabilitation and medical assistance, but this places greater demands on the development of functional materials. In particular, a balance between reducing the weight of materials and enhancing their mechanical performance is urgently needed. Here, this study reports a design strategy based on a cross-scale strengthening mechanism, which endows triboelectric materials with mechanically robust properties, and can withstand more than 16,600 times its weight without any deformation.

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Methyl 2-{[1-(5-fluoropentyl)-1H-indazole-3-carbonyl]amino}-3,3-dimethylbutanoate (5F-ADB), which is classified as an illicit drug in China and most European countries, is susceptible to abuse. The abuse of 5F-ADB must avoid entering the water environment. However, the aquatic toxic effects of 5F-ADB remain unclear.

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Herein, conductive polyaniline (PANI) was chemically polymerized on the surface of a bismuth-based metal-organic framework (Bi-MOF) to form conductive PANI@Bi-MOF composites. FT-IR and PXRD measurements verified the successful production of PANI@Bi-MOF, whereas SEM, TEM, and EDAX mapping demonstrated that PANI was uniformly coated on the surface of Bi-MOF. The resulting PANI@Bi-MOF composites were characterized by cyclic voltammetry (CV and electrochemical impedance spectroscopy (EIS), then used to develop a sensitive electrochemical sensor for the detection of lead ions based on differential pulse anodic stripping voltammetry (DPASV).

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CHD6, a member of the chromodomain helicase DNA-binding protein family, has been implicated in various diseases and tumors. However, its precise binding model of CHD6 on regulatory functional genes remains poorly understood. In this study, we discovered sharp peaks of CHD6, as the first member of CHD family for housekeeping process, binding only to the promoter region of genes in the C4-2 cell line.

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Aerogels are widely applied for construction, aerospace, military, and energy owing to their lightweight, high specific surface area, and high porosity. The high porosity of aerogels often leads to a lack of mechanical strength, which limits their applications. Here, this study reports a mechanically robust MXene/cellulose nanocrystal composite aerogel enabled by inducing dense bridging through salting-out.

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RuO has been recognized as a standard electrocatalyst for acidic oxygen evolution reaction (OER). Nonetheless, its high cost and limited durability are still ongoing challenges. Herein, a RuO/Ni-CoO heterostructure confining a heterointerface (between RuO and Ni-doped CoO) is constructed to realize enhanced OER performance.

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Article Synopsis
  • The study investigates how different redox potentials affect the behavior of pollutants 6-OH-BDE-47 and 6-MeO-BDE-47, particularly their transformation and microbial interactions in water-sediment systems.
  • It was found that aerobic microorganisms and specific electron acceptors, like nitrate, significantly influence the formation of nonextractable residues (NERs) for both compounds, with differing levels of degradation observed under varying conditions.
  • The research highlights the complexity of microbial communities under different redox conditions, suggesting that the choice of electron acceptors is crucial for effective remediation strategies for these pollutants.
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Iron oxide nanoparticles (MNPs) demonstrate notable benefits in magnetic induction, attributed to their distinctive physical and chemical attributes. Emerging cancer treatment utilizing magnetic fields have also gathered increasing attention in the biomedical field. However, the defects of difficult dispersion and poor biocompatibility of MNPs seriously hinder their application.

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Lipid nanoparticles (LNPs) have been utilized to deliver small interfering RNA (siRNA) to treat acute liver injury. However, LNPs exhibit suboptimal lysosomal escape capabilities and biodegradability. To address these limitations, we have designed triglyceride-mimetic ionizable lipids by conjugating ,-dimethyl tertiary amine head groups to the sn-2 position of triglyceride (TG) through ester bonds.

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  • Research shows that the initial telomere length in newborns is critical for their long-term health, and potential effects of maternal SARS-CoV-2 infection on prenatal telomere homeostasis are being studied.
  • In a study of 413 newborns, those born to mothers infected with SARS-CoV-2 during the first and second trimesters had significantly shorter telomeres compared to those from non-infected mothers, highlighting the timing of infection's impact.
  • The results indicate that early maternal infection is correlated with worse fetal telomere health, alongside signs of placental aging and decreased expression of telomerase, but no significant cytokine level differences were noted between the
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Purpose: Tuberculosis (TB) is a major global health threat and its diagnosis remains challenging. This study aimed to develop a nomogram that incorporated peripheral blood transcriptional signatures and other blood tests for the diagnosis of tuberculosis.

Patients And Methods: Patients with TB, patients with other definite pulmonary diseases (OPD), individuals with latent tuberculosis infection (LTBI), and healthy controls (HC) were retrospectively enrolled between May 2017 and April 2018.

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Driven by the "Internet of Everything" (IoE) vision, the demand for smart materials is growing. Wood, one of the most abundant and renewable resources, has long been a staple in construction and furnishing applications. To further expand its application range, this study developed a high-strength, stable wood-based triboelectric material through a synergistic biphasic mechanism.

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Article Synopsis
  • Methylmalonic acid (MMA) serves as a reverse biomarker for vitamin B12, but its low sensitivity and interference from isomers create challenges in testing.
  • Researchers developed a fast method to modify plasma MMA at room temperature, using specific reagents to enhance its detectability for liquid chromatography-tandem mass spectrometry (LC-MS/MS).
  • The new technique improved the accuracy of MMA measurements, showing strong linearity and excellent precision, with recovery rates between 97.9% and 100.1%.
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Radiotherapy is recognized as the primary treatment for nasopharyngeal carcinoma (NPC). Rapid and accurate dose prediction is crucial for enhancing the quality and efficiency of radiotherapy planning. However, the current dose prediction model based on 2D architecture cannot effectively learn the spatial information among slices.

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An efficient hydrogen evolution reaction catalyst of ultrafine Pt nanoparticles loaded onto N-doped CoO was synthesized. This catalyst displayed high electrocatalytic activity and stability. The outstanding performance is attributed to the interactions between the active sites and support, as well as the regulation of the electronic structure through covalent nitrogen bridging.

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Article Synopsis
  • Existing deep learning methods, particularly CNNs, often fail to capture long-distance information in data, while Transformers lack CNNs' spatial processing capabilities.
  • The proposed hybrid model combines CNN and Transformer features with advanced architectural elements to improve dose prediction, showing superior results in experimental tests compared to traditional methods, which could significantly aid radiotherapy planning in clinical settings.
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Background: Alizarin (AZ) is a natural anthraquinone with anti-inflammatory and moderate antioxidant properties.

Purpose: In this study, we characterized the role of AZ in a rat model of vascular dementia (VaD) and explored its underlying mechanisms.

Methods: VaD was induced by bilateral common carotid artery occlusion.

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Emulating biological perception mechanisms to construct intelligent sensing devices and systems represents a paradigm for promoting human-computer interaction in the Internet of Everything era. Nonetheless, developing highly sensitive, real-time sensing and rapidly integrated intelligent interaction units remains a challenging and time-consuming endeavor. This study employs a low-temperature glow discharge technique to rapidly fabricate graded nanotexturing architectural triboelectric nanopaper, upon which wearable triboelectric sensors for real-time tactile detection are designed.

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Background: To investigate the impact of using contrast-enhanced computed tomography (CHCT) in the dosimetry of stereotactic body radiation therapy (SBRT) for liver metastases treated with MR-Linac.

Methods: A retrospective study was conducted on 21 liver cancer patients treated with SBRT (50 Gy in 5 fractions) using a 1.5 Tesla Unity MR-Linac.

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Article Synopsis
  • Glycosylation affects how cancer cells interact with their surrounding environment, specifically in the spread of ovarian cancer, which is a leading cause of cancer deaths.* -
  • A study screened 498 genes related to glycosylation and identified neuraminidase 4 (NEU4) as a key enzyme that promotes the dissemination of ovarian cancer cells, particularly in high-grade serous ovarian carcinoma (HGSOC).* -
  • NEU4 enhances cancer cell movement and transition to a more aggressive state, and it does this by modifying the glycoprotein EGFR, which leads to increased cancer cell signaling and poor patient survival outcomes.*
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The present research extensively investigates the significance of the sac centerline length of the anterior cerebral artery (ACA) on aneurysm rupture risk. Hemodynamic factors influencing aneurysm rupture are assessed to identify critical regions prone to rupture. Wall shear stress is analyzed by modeling blood flow in three real saccular ACA cases with varying sac centerline lengths.

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Against the backdrop of rapid advancements in 5G and Internet of Things (IoT) technologies, there is an urgent need to upgrade food sensing systems to achieve automation, digitalization, and intelligence. However, this transformation process faces numerous challenges. Triboelectric nanogenerators (TENGs), as an emerging energy conversion and sensing technology, play a crucial role in this context.

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Biomimetic engineering surfaces featuring heterogeneous wettability are vital for atmospheric water harvesting applications. Existing research predominantly focuses on the coordinated regulation of surface wettability through structural and chemical modifications, often overlooking the prevalent triboelectric charge effect at the liquid-solid interface. In this work, we designed a heterogeneous wettability surface by strategic masking and activated its latent triboelectric charge using triboelectric brushes, thereby enhancing the removal and renewal of surface droplets.

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Introducing an additive is a practical approach to improve the lubrication performance of base oil in the field of tribology. Herein, a series of sulfoximine derivatives was synthesized and incorporated into base oil A51 as additives. The tribological properties of these lubricants were evaluated at both room and high temperatures, and the result demonstrated that they displayed excellent friction reduction and wear resistance in the friction process under both test conditions.

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