Publications by authors named "Libo Sun"

Coordination polymers (CPs) are promising for direct X-ray detection and imaging owing to higher designability and outstanding stability, however, it remains a challenge to achieve highly X-ray detection performance, particularly both high sensitivity and low detection limit at the same operating voltage. Herein, we construct a new conjugated CP {[Co(BPTTz)(DIPA)] ⋅ DMA} (1, BPTTz=2,5-bis(pyridine-4-yl)thiazolo[5,4-d]thiazole, HDIPA=2,5-diiodoterephthalic acid, DMA=N, N'-dimethylacetamide), with multi-channel charge transfer by regulating the linker mediated electronic-state, which reduces carrier losses resulting from recombination or quenching, enhances the efficiency of charge separation and transfer, thus further optimizes X-ray detection performance. The semiconductor prepared based on this strategy achieves record values including the highest mobility-lifetime product (μτ, 8.

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Most cancers and neoplastic progenitor cells have elevated telomerase activity and preservation of telomeres that promote cellular immortality, making telomerase a rational target for the treatment of cancer. Imetelstat is a first-in-class, 13-mer oligonucleotide that binds with high affinity to the template region of the RNA component of human telomerase and acts as a competitive inhibitor of human telomerase enzymatic activity. Pharmacokinetics, pharmacodynamics, exposure-response analyses, efficacy, and safety of imetelstat have been evaluated in vitro, in vivo, and clinically in solid tumor and hematologic malignancies, including lower-risk myelodysplastic syndromes (LR-MDS) and myeloproliferative neoplasms.

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  • This study focused on using vascularized dermal fat flaps with local skin grafts to treat soft tissue defects in patients' oral and maxillary areas following forearm flap donor site surgery.
  • Conducted from July 2020 to June 2023, the research involved 13 patients (8 males and 5 females) with ages ranging from 42 to 71, who received flaps sized between 5 cm x 7 cm to 7 cm x 8 cm.
  • Results showed all flaps survived with good color matching and primary healing of skin grafts, indicating this method is a reliable and effective option for managing donor sites with reduced complications.
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  • An organometallic iridium (Ir) complex-functionalized nanographene catalyst was created using a two-step process that included amide ligand modification and coordination with iridium.
  • * The catalyst demonstrated exceptional hydrogenation ability, excellent recyclability, and selectivity for carbonyl derivatives like ketones and aldehydes at a low temperature of 40 °C.
  • * This Ir-complex-based catalyst is cost-effective, which enhances its potential for use in industrial applications.*
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To investigate the therapeutic effect of free forearm flaps in repairing the postoperative defect of external nasal malignant tumor. Six patients with nasal malignant tumor were treated with radical operation of external nasal malignant tumor and simultaneous reconstruction of external nasal defects with free forearm flap. Preoperative Allen experiment, ultrasonic Doppler blood flow meter or CT angiography confirmed that the forearm blood vessels were in good condition.

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Molecular catalysts represent an exceptional class of materials in the realm of electrochemical carbon dioxide reduction (CORR), offering distinct advantages owing to their adaptable structure, which enables precise control of electronic configurations and outstanding performance in CORR. This study introduces an innovative approach to heterogeneous electrochemical CORR in an aqueous environment, utilizing a newly synthesized N4-macrocyclic cobalt complex generated through a dimerization coupling reaction. By incorporating the quaterpyridine moiety, this cobalt complex exhibits the capability to catalyze CORR at low overpotentials and reaches near-unity CO production across a wide potential range, as verified by the online mass spectrometry and in situ attenuated total reflectance-Fourier transform infrared spectroscopy.

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Psoriasis is a common inflammatory skin disorder with no cure. Mesenchymal stem cells (MSCs) have immunomodulatory properties for psoriasis, but the therapeutic efficacies varied, and the molecular mechanisms were unknown. In this study, we improved the efficacy by enhancing the immunomodulatory effects of umbilical cord-derived MSCs (UC-MSCs).

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  • * A mixed-effects model was created to analyze how different factors like demographics and health conditions affect the drug's pharmacokinetics using data from 424 patients across seven clinical trials.
  • * The final model found that factors such as sex, disease type, and dosage impact drug clearance and volume in the body, but generally suggests that body-weight-based dosing is appropriate without needing individual dose adjustments for most patients.
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Highly crystalline ZSM-23 zeolite, exhibiting a distinctive dumbbell morphology, was synthesized via a hydrothermal method. Bifunctional catalysts, comprising single metals (Pt or Au) and bimetals (Pt-Au), were successfully prepared by using a positional precipitation method. The hydroisomerization of hexadecane served as a model reaction to assess the catalytic performance arising from the synergistic effects of bimetallic active sites.

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Direct formate fuel cells (DFFCs) receive increasing attention as promising technologies for the future energy mix and environmental sustainability, as formate can be made from carbon dioxide utilization and is carbon neutral. Herein, heterostructured platinum-palladium alloy and oxides nanowires (PtPd-ox NWs) with abundant defect sites are synthesized through a facile self-template method and demonstrated high activity toward formate electrooxidation reaction (FOR). The electronic tuning arising from the heterojunction between alloy and oxides influence the work function of PtPd-ox NWs.

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Ammonia (NH) is pivotal in modern industry and represents a promising next-generation carbon-free energy carrier. Electrocatalytic nitrate reduction reaction (eNORR) presents viable solutions for NH production and removal of ambient nitrate pollutants. However, the development of eNORR is hindered by lacking the efficient electrocatalysts.

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Micropeptides encoded by short open reading frames (sORFs) within long noncoding RNAs (lncRNAs) are beginning to be discovered and characterized as regulators of biological and pathological processes. Here, we find that lncRNA Dleu2 encodes a 17-amino-acid micropeptide, which we name Dleu2-17aa, that is abundantly expressed in T cells. Dleu2-17aa promotes inducible regulatory T (iTreg) cell generation by interacting with SMAD Family Member 3 (Smad3) and enhancing its binding to the Foxp3 conserved non-coding DNA sequence 1 (CNS1) region.

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The electrochemical conversion of nitrate to ammonia is a way to eliminate nitrate pollutant in water. Cu-Co synergistic effect was found to produce excellent performance in ammonia generation. However, few studies have focused on this effect in high-entropy oxides.

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  • The study focuses on patients with lower-risk myelodysplastic syndromes (LR-MDS) who depend on red blood cell transfusions and are either not responding to current treatments or are ineligible for them, particularly erythropoiesis-stimulating agents (ESAs).
  • It involves a phase 3 clinical trial comparing the effectiveness of imetelstat (a telomerase inhibitor) to a placebo in achieving red blood cell transfusion independence, involving 178 participants across various countries.
  • The primary goal was to measure the percentage of patients who went at least 8 weeks without needing transfusions after starting treatment, with results from this study expected to provide insights into a potential new treatment
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Paddy soils are an important source of atmospheric nitrous oxide (NO). However, numerous studies have focused on NO production during the soil tillage period, neglecting the NO production during the dry fallow period. In this study, we conducted an incubation experiment using the acetylene inhibition technique to investigate NO emission and reduction rates of paddy soil profiles (0-1 m) from Guangdong Province and Jinlin Province in China, with different heavy-metal pollution levels.

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Background: Lung cancer is considered to be the second most aggressive and rapidly fatal cancer after breast cancer. Necroptosis, a novel discovered pattern of cell death, is mediated by Receptor-interacting serine/threonine-protein kinase 1 (RIPK1), Receptor-interacting serine/threonine-protein kinase 3 (RIPK3), and Mixed Lineage Kinase Domain Like Pseudokinase (MLKL).

Methods: For the purpose of developing a prognostic model, Least absolute shrinkage and selection operator (LASSO) Cox regression analysis was conducted.

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Self-supervised monocular depth estimation has shown impressive results in static scenes. It relies on the multi-view consistency assumption for training networks, however, that is violated in dynamic object regions and occlusions. Consequently, existing methods show poor accuracy in dynamic scenes, and the estimated depth map is blurred at object boundaries because they are usually occluded in other training views.

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Electrocatalytic hydrogen peroxide (HO) production has emerged as a promising alternative to the chemical method currently used in industry, due to its environmentally friendly conditions and potential for higher activity and selectivity. Heterogeneous molecular catalysts are promising in this regard, as their active site configurations can be judiciously designed, modified, and tailored with diverse functional groups, thereby tuning the activity and selectivity of the active sites. In this work, nickel phthalocyanine derivatives with various conjugation degrees are synthesized and identified as effective pH-universal electrocatalysts for HO production after heterogenized on nitrogen-decorated carbon, with increased conjugation degrees leading to boosted selectivity.

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Background: The aim of this study is to explore the methylation of signal transduction adaptor protein 1 (STAP1) in peripheral blood T cells as a prognostic marker for hepatocellular carcinoma (HCC) ≤5 cm.

Methods: A total of 66 HCC patients who visited our hospital from November 2012 to June 2016 were retrospectively analyzed, and 55 patients who met the inclusion and exclusion criteria were studied. Clinical and pathological data were collected from all patients to detect STAP1 methylation.

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MicroRNAs (miRNAs) and their target genes are aberrantly expressed in many cancers and are linked to carcinogenesis and metastasis, especially among hepatocellular carcinoma (HCC) patients. This study sought to identify new biomarkers related to HCC prognosis using small RNA sequencing from the tumor and matched normal adjacent tissue of 32 patients with HCC. Eight miRNAs were downregulated and 61 were upregulated more than twofold.

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Dermal fibroblasts and cutaneous nerves are important players in skin diseases, while their reciprocal roles during skin inflammation have not been characterized. Here we identify an inflammation-induced subset of papillary fibroblasts that promotes aberrant neurite outgrowth and psoriasiform skin inflammation by secreting the extracellular matrix protein tenascin-C (TNC). Single-cell analysis of fibroblast lineages reveals a Tnc papillary fibroblast subset with pro-axonogenesis and neuro-regulation transcriptomic hallmarks.

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Introduction: Although we had identified that the methylation of AHNAK was a good diagnostic marker for hepatopathy, here we speculate that there was also another marker, STAP1, whose methylation also involved in the detection of hepatopathy.

Methods: We investigated the methylation levels of the AHNAK and STAP1 in peripheral blood mononuclear cells of chronic hepatitis B (CHB) patients, compensatory liver cirrhosis (CLC) patients, decompensated liver cirrhosis (DCLC) patients, hepatocellular carcinoma (HCC) patients and healthy controls by methylation-specific PCR. We also evaluated the differences and changes of methylation and expression of AHNAK and STAP1 at different stages of liver disease using the TCGA and GEO public datasets.

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