Publications by authors named "Chengxiang Peng"

Ultrasonic testing (UT) is a vital nondestructive testing (NDT) technique used to evaluate the integrity of materials and structures. However, conventional excitation signals often suffer from significant attenuation in highly attenuative materials, resulting in low signal energy and poor signal interpretation. Coded excitation techniques, such as the Barker code and the complementary Golay code (CGC), have been used to enhance signal energy and signal-to-noise ratio.

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In recent years, Overfilled Syndrome and the associated "Bread Bun" phenomenon have garnered significant attention in the field of aesthetic medicine, particularly among younger populations. This article systematically reviews the causes, consequences, and management strategies of facial overfilling, aiming to provide a scientific basis for the prevention and correction of this phenomenon. The causes of overfilling involve technical, patient, and physician-related factors: technical factors include improper injection dosage, depth, and point design; patient factors primarily stem from the excessive pursuit of "perfect" facial features and unrealistic expectations; while physician factors are related to insufficient experience, lack of technical proficiency, and misinterpretation of aesthetic standards.

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Adenine base editors (ABEs) and cytosine base editors (CBEs) are prominent tools for precise genome editing but are hindered by limited editing activity at positions proximal to the protospacer adjacent motif (PAM). This study investigates the potential of enhancing base editors editing activity by fusing them with RNA-DNA hybrid binding domains (RHBDs). Specifically, fusing ABE8e with the RHBD of Homo sapiens RNaseH1 (RHBD1) significantly increased A-to-G editing efficiency in the PAM-proximal region (A9-A15) by up to 3.

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Macroalgae widely distribute in intertidal zones, one of blue carbon organisms. However, the regulatory mechanisms of tide on the carbon sequestration of macroalgae are still unclear. This study explored the effects of desiccation-rewetting cycles induced by tide on dissolved organic carbon (DOC) release from Ulva pertusa, which is prevalent from high to low tidal zones.

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Detecting defects in plates is crucial across various industries due to safety risks. While ultrasonic bulk waves offer point-by-point inspections, they are time-consuming and limited in coverage. In contrast, guided waves enable the rapid inspection of larger areas.

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Article Synopsis
  • Compact CRISPR-Cas systems, like CjCas9, offer versatile genome editing but faced limitations in editing efficiency, especially when delivered via AAV.
  • Researchers enhanced CjCas9's performance through protein engineering, resulting in improved versions (LDE-CjCas9-VPR, LDE-CjABE, and LDE-CjCBE) that effectively edited genomes in human and mouse cells.
  • The new LDE-CjABE variant demonstrated high on-target editing efficiency without off-target effects in mouse retinas, expanding the potential for therapeutic gene editing applications.
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Growing trend of interests for contributions of cultivation of kelp to carbon sequestration have been driven globally. Saccharina japonica is an important cultivated seaweed, with erosion phenomenon usually occurs at the distal part of the frond in S. japonica throughout the growth cycle.

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The role of SLC3A2, a gene implicated in disulfidptosis, has not been characterized in gliomas. This study aims to clarify the prognostic value of SLC3A2 and its influence on glioma. We evaluated the expression of SLC3A2 and its prognostic importance in gliomas using publicly accessible databases and our clinical glioma samples and with reliance on Meta and Cox regression analysis approaches.

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In mid-November 2021, there were large areas of white rot disease on cultivated Saccharina japonica in Rongcheng City, China, and diseases were undetected on Sargassum horneri and Porphyra yezoensis. The disturbance direction of bacterial community in the phycosphere after disease outbreak and the relationship with seawater nutrients remain unclear. Here, in situ studies of bacterial community in the non-diseased and diseased areas (Shawo and Dongchu islands) and seawater nutrient levels were carried out.

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Background: Gliomas are the most frequently diagnosed primary brain tumors, and are associated with multiple molecular aberrations during their development and progression. is an orphan G protein-coupled receptor (GPCR) that is implicated in different physiological pathways in the brain, and has been linked to various malignancies. The aim of this study was to explore the relationship between gene expression and the clinicopathological factors, patient prognosis, tumor-infiltrating immune cell signature GSEA and methylation levels in glioma.

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Article Synopsis
  • Two new strains of bacteria, SYSU G05006 and SYSU G05005, were isolated from a bioreactor in Rehai National Park, Yunnan Province, China, and are described as aerobic, Gram-negative, and moderately thermophilic.
  • Phylogenetic analysis revealed that they are closely related to another strain (YIM 72346) but distinct enough to be considered a new species due to low average nucleotide identity and digital DNA-DNA hybridization values.
  • Strain SYSU G05006 has a genome size of 3.87 Mbp, optimal growth conditions of 55 °C and pH 6.0, and contains unique lipids and fatty acids, leading to its
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The piezoelectric polymer PVDF and its copolymers have a long history as transducer materials for medical and biological applications. An efficient use of these polymers can potentially both lower the production cost and offer an environment-friendly alternative for medical transducers which today is dominated by piezoelectric ceramics containing lead. The main goal of the current work has been to compare the image quality of a low-cost in-house transducers made from the copolymer P(VDF-TrFE) to a commercial PVDF transducer.

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