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  1. Article: Wetland soil organic carbon balance is reversed by old carbon and iron oxide additions.

    Ni, Bingbo / Yu, Xiaofei / Duan, Xun / Zou, Yuanchun

    Frontiers in microbiology

    2024  Volume 14, Page(s) 1327265

    Abstract: Iron (Fe) oxides can stabilize organic carbon (OC) through adsorption and co-precipitation, while microbial Fe reduction can disrupt Fe-bound OC (Fe-OC) and further increase OC mineralization. The net effects of OC preservation and mineralization ... ...

    Abstract Iron (Fe) oxides can stabilize organic carbon (OC) through adsorption and co-precipitation, while microbial Fe reduction can disrupt Fe-bound OC (Fe-OC) and further increase OC mineralization. The net effects of OC preservation and mineralization mediated by Fe oxides are still unclear, especially for old carbon (formed from plant litters over millions of years) and crystalline Fe oxides. Accelerating the recovery of wetland carbon sinks is critical for mitigating climate change and achieving carbon neutrality. Quantifying the net effect of Fe-mediated OC mineralization and preservation is vital for understanding the role of crystalline Fe oxides in carbon cycling and promoting the recovery of soil carbon sinks. Here, we explored the OC balances mediated by hematite (Hem) and lignite addition (Lig) to freshwater wetland (FW, rich in C and Fe) and saline-alkaline wetland (SW, poor in C and Fe) soil slurries, incubated under anaerobic conditions. Results showed that Lig caused net OC accumulation (FW: 5.9 ± 3.6 mg g
    Language English
    Publishing date 2024-01-08
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2587354-4
    ISSN 1664-302X
    ISSN 1664-302X
    DOI 10.3389/fmicb.2023.1327265
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Correction: Hao et al. Processing Aspectual Agreement in a Language with Limited Morphological Inflection by Second Language Learners: An ERP Study of Mandarin Chinese.

    Hao, Yuxin / Duan, Xun / Yan, Qiuyue

    Brain sciences

    2023  Volume 13, Issue 8

    Abstract: In the published publication [ ... ]. ...

    Abstract In the published publication [...].
    Language English
    Publishing date 2023-07-28
    Publishing country Switzerland
    Document type Published Erratum
    ZDB-ID 2651993-8
    ISSN 2076-3425
    ISSN 2076-3425
    DOI 10.3390/brainsci13081135
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Processing Aspectual Agreement in a Language with Limited Morphological Inflection by Second Language Learners: An ERP Study of Mandarin Chinese.

    Hao, Yuxin / Duan, Xun / Yan, Qiuyue

    Brain sciences

    2022  Volume 12, Issue 5

    Abstract: Previous studies on the neural cognitive mechanisms of aspectual processing in second language (L2) learners have focused on Indo-European languages with rich inflectional morphology. These languages have aspects which are equipped with inflected verb ... ...

    Abstract Previous studies on the neural cognitive mechanisms of aspectual processing in second language (L2) learners have focused on Indo-European languages with rich inflectional morphology. These languages have aspects which are equipped with inflected verb forms combined with auxiliary or modal verbs. Meanwhile, little attention has been paid to Mandarin Chinese, which has limited morphological inflection, and its aspect is equipped with aspectual particles (e.g., le, zhe, guo). The present study explores the neurocognitive mechanism of Mandarin Chinese aspect processing among two groups of late Mandarin Chinese proficient learners with Thai (with Mandarin Chinese-like aspect markers) and Indonesian (lack of Mandarin Chinese-like aspect markers) as their first language (L1). We measured event-related potentials (ERPs) time locked to the aspect marker
    Language English
    Publishing date 2022-04-21
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2651993-8
    ISSN 2076-3425
    ISSN 2076-3425
    DOI 10.3390/brainsci12050524
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Serum amyloid A is a potential predictor of prognosis in acute ischemic stroke patients after intravenous thrombolysis.

    Chang, Qi / Li, Yaqiang / Xue, Min / Yu, Chuanqing / He, Jiale / Duan, Xun

    Frontiers in neurology

    2023  Volume 14, Page(s) 1219604

    Abstract: Objectives: Inflammation shows a notable relationship to acute ischemic stroke's (AIS) occurrence and prognosis. However, existing research has confirmed that serum amyloid A (SAA) is an inflammatory biomarker. The aim of this paper was to investigate ... ...

    Abstract Objectives: Inflammation shows a notable relationship to acute ischemic stroke's (AIS) occurrence and prognosis. However, existing research has confirmed that serum amyloid A (SAA) is an inflammatory biomarker. The aim of this paper was to investigate the association between SAA and the three-month clinical results of acute AIS patients after intravenous thrombolysis (IVT).
    Methods: The evaluation of AIS patients with complete medical records was carried out by prospectively investigating patients hospitalized in our department between January 2020 and February 2023. The SAA levels were examined with the use of an immunosorbent assay kit that shows a relationship with the enzyme (Invitrogen Corp). Patients were dichotomized into favorable (mRS score of 0, 1 or 2) and unfavorable (mRS score of 3, 4, 5, or 6) results with the use of the modified Rankin Scale (mRS).
    Results: A total of 405 AIS patients who were subjected to IVT therapy were prospectively covered. To be specific, 121 (29.88%) patients had an unfavorable prognosis during the follow-up for 3 months. On that basis, patients achieving unfavorable results gained notably greater SAA levels (39.77 (IQR 38.32-46.23) vs.31.23 (IQR 27.44-34.47),
    Conclusion: SAA level that is up-regulated during hospitalization is capable of serving as an effective marker in terms of the prediction of unfavorable three-month results in AIS patients after IVT.
    Language English
    Publishing date 2023-07-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2564214-5
    ISSN 1664-2295
    ISSN 1664-2295
    DOI 10.3389/fneur.2023.1219604
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Processing Aspectual Agreement in an Inflexionless Language: An ERP Study of Mandarin Chinese.

    Hao, Yuxin / Duan, Xun / Zhang, Lu

    Brain sciences

    2021  Volume 11, Issue 9

    Abstract: This is a study of the collocation of Chinese verbs with different lexical aspects and aspect markers. Using event-related potentials (ERPs), we explored the processing of aspect violation sentences. In the experiment, we combined verbs of various ... ...

    Abstract This is a study of the collocation of Chinese verbs with different lexical aspects and aspect markers. Using event-related potentials (ERPs), we explored the processing of aspect violation sentences. In the experiment, we combined verbs of various lexical aspect types with the progressive aspect marker
    Language English
    Publishing date 2021-09-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2651993-8
    ISSN 2076-3425
    ISSN 2076-3425
    DOI 10.3390/brainsci11091236
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Iron–organic carbon associations stimulate carbon accumulation in paddy soils by decreasing soil organic carbon priming

    Duan, Xun / Li, Zhe / Li, Yuhong / Yuan, Hongzhao / Gao, Wei / Chen, Xiangbi / Ge, Tida / Wu, Jinshui / Zhu, Zhenke

    Soil Biology and Biochemistry. 2023 Apr., v. 179 p.108972-

    2023  

    Abstract: Iron-bound organic carbon (Fe-OC) complexes are important for stabilizing soil organic carbon (SOC) against biodegradation. However, it is unclear how the stabilization of OC and its release from Fe minerals subsequently affect the priming effect on SOC ... ...

    Abstract Iron-bound organic carbon (Fe-OC) complexes are important for stabilizing soil organic carbon (SOC) against biodegradation. However, it is unclear how the stabilization of OC and its release from Fe minerals subsequently affect the priming effect on SOC mineralization. To address the knowledge gap, we incubated typical paddy soil for 60 days by adding 2-line ferrihydrite (2LFh) or 6-line Fh (6LFh)-bound glucose, each with both high and low amounts of glucose, under anaerobic conditions. Approximately 21% more CO₂ was derived from 2LFh-bound glucose than from 6LFh-bound glucose. Glucose addition alone stimulated SOC mineralization and caused a positive priming effect (0.27% of SOC). In contrast, 2LFh- and 6LFh-bound glucose inhibited SOC mineralization to both CO₂ and CH₄ and subsequently induced a negative priming effect, ranging from −0.33% to −0.55% SOC. Compared to 2LFh-bound glucose, 6LFh-bound glucose induced a lower priming effect on CO₂ emissions (2-fold lower), which was attributed to the lower Fe-reduction rate of 6LFh and OC released. In addition, the available nutrients adsorbed by 6LFh were more difficult to release than those by 2LFh, which aggravated microbial nutrient limitation, and further decreased microbial activity. The priming effect for CH₄ emissions was directly proportional to the glucose level loaded. The Fe reduction rates were higher in Fh-bound high amount of glucose than that in the Fh-bound low amount of glucose, which subsequently provided more available C sources for methanogens. Thus, Fe minerals have a high capacity for SOC accumulation, as they prevent bound OC from mineralization and decrease native SOC priming. Moreover, the protection of SOC by Fe minerals depended on its crystalline structure and the amount of OC loading. Our results show that promoting the transformation from weakly crystalline Fe oxides to more crystalline forms would increase SOC accumulation and stability over the complete rice-growing period.
    Keywords biodegradation ; carbon dioxide ; crystal structure ; ferrihydrite ; glucose ; methanogens ; microbial activity ; mineralization ; paddies ; paddy soils ; soil organic carbon ; Ferrihydrite-bound organic carbon ; Fe reduction ; Priming effect ; Paddy soil ; Carbon accumulation
    Language English
    Dates of publication 2023-04
    Publishing place Elsevier Ltd
    Document type Article ; Online
    ZDB-ID 280810-9
    ISSN 0038-0717
    ISSN 0038-0717
    DOI 10.1016/j.soilbio.2023.108972
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 2637: Show issues

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  7. Article ; Online: HuR affects chemoresistance of small cell lung cancer by regulating FGFRL1 expression.

    Duan, Xun-Huang / Chen, Rui / Li, Dao-Sheng / Luo, Ai-Hua / Guo, Lin-Lang

    Experimental and therapeutic medicine

    2022  Volume 24, Issue 4, Page(s) 638

    Abstract: Human antigen R (HuR), an RNA-binding protein, has been demonstrated to serve an oncogenic role in various types of cancer. Fibroblast growth factor receptor-like 1 (FGFRL1) has been shown to regulate small cell lung cancer (SCLC) chemoresistance. In the ...

    Abstract Human antigen R (HuR), an RNA-binding protein, has been demonstrated to serve an oncogenic role in various types of cancer. Fibroblast growth factor receptor-like 1 (FGFRL1) has been shown to regulate small cell lung cancer (SCLC) chemoresistance. In the present study, the role of HuR in chemoresistance of SCLC, as well as its possible molecular mechanism involving FGFRL1, was explored by reverse transcription-quantitative PCR, western blotting, Cell Counting Kit-8 assay, flow cytometry and RNA immunoprecipitation. The results revealed that HuR expression levels were markedly upregulated in drug-resistant SCLC cell lines (H69AR and H446DDP) compared with in the parental cell lines (H69 and H446). Knockdown of HuR in drug-resistant SCLC cells enhanced drug sensitivity, cell apoptosis and cell cycle arrest. Furthermore, molecular mechanism studies indicated that HuR could bind and regulate FGFRL1 expression levels to increase FGFRL1 mRNA stability. Taken together, the present study suggested that HuR may mediate chemoresistance of SCLC by regulating FGFRL1 expression. HuR may represent a prognostic predictor and a potential target for overcoming chemoresistance in SCLC.
    Language English
    Publishing date 2022-08-24
    Publishing country Greece
    Document type Journal Article
    ZDB-ID 2683844-8
    ISSN 1792-1015 ; 1792-0981
    ISSN (online) 1792-1015
    ISSN 1792-0981
    DOI 10.3892/etm.2022.11575
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Endoscopic ultrasound-guided fine-needle aspiration to diagnose a recurrent nasopharyngeal carcinoma in the parapharyngeal space.

    Zhang, Zhen-Ming / Bao, Yu / Yang, Hong / Qin, Sheng / Zhang, Sha / Duan, Xun-Mei

    Endoscopy

    2022  Volume 55, Issue S 01, Page(s) E194–E196

    MeSH term(s) Humans ; Nasopharyngeal Carcinoma/pathology ; Parapharyngeal Space/pathology ; Neoplasm Recurrence, Local/diagnostic imaging ; Endoscopic Ultrasound-Guided Fine Needle Aspiration ; Nasopharyngeal Neoplasms/diagnostic imaging ; Nasopharyngeal Neoplasms/pathology
    Language English
    Publishing date 2022-11-11
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 80120-3
    ISSN 1438-8812 ; 0013-726X
    ISSN (online) 1438-8812
    ISSN 0013-726X
    DOI 10.1055/a-1956-0062
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 669: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)
    Zs.MO 162: Show issues

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  9. Article: Hepatic portal venous gas complication associated with the thoracic endovascular aortic repair for aortic dissection: a case report and literature review.

    Duan, Xun-Hong / Duan, Qing / Liu, Jian-Ping / Le, Zhi-Biao / Xiao, Jun-Qi / Ye, Rong / Fang, Cui-Fu / Liu, Feng-En

    American journal of cardiovascular disease

    2023  Volume 13, Issue 6, Page(s) 372–375

    Abstract: Aortic dissection (AD) is a serious disease with a higher mortality. The thoracic endovascular aortic repair (TEVAR) is a first line regimen for aortic dissection. Hepatic portal venous gas (HPVG) is a rare disease, and its definite mechanism is unknown. ...

    Abstract Aortic dissection (AD) is a serious disease with a higher mortality. The thoracic endovascular aortic repair (TEVAR) is a first line regimen for aortic dissection. Hepatic portal venous gas (HPVG) is a rare disease, and its definite mechanism is unknown. This is a rare association between the aortic and HPVG. In the present report, we present a case of thoracic aortic dissection, which was the type of Standford B by the computer tomography (CT) angiography, which implicated acute abdominal pain and abdominal distention after TEVAR and immediate abdominal CT shown hepatic portal venous gas (HPVG). The patient, who was treated with conservative treatment of gastrointestinal decompressing, fluid resuscitation, electrolyte replacement, anti-infection, anti-inflammation and anticoagulation, was recovered and discharged without abnormalities. This patient has been followed up for 5 years and has not experienced any physical discomfort related to HPVG. This is the first report that the aortic dissection patient implication with HPVG after thoracic endovascular aortic repair.
    Language English
    Publishing date 2023-12-15
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2616844-3
    ISSN 2160-200X
    ISSN 2160-200X
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: A Convolutional Neural Network-Based Intelligent Medical System with Sensors for Assistive Diagnosis and Decision-Making in Non-Small Cell Lung Cancer.

    Zhan, Xiangbing / Long, Huiyun / Gou, Fangfang / Duan, Xun / Kong, Guangqian / Wu, Jia

    Sensors (Basel, Switzerland)

    2021  Volume 21, Issue 23

    Abstract: In many regions of the world, early diagnosis of non-small cell lung cancer (NSCLC) is a major challenge due to the large population and lack of medical resources, which is difficult toeffectively address via limited physician manpower alone. Therefore, ... ...

    Abstract In many regions of the world, early diagnosis of non-small cell lung cancer (NSCLC) is a major challenge due to the large population and lack of medical resources, which is difficult toeffectively address via limited physician manpower alone. Therefore, we developed a convolutional neural network (CNN)-based assisted diagnosis and decision-making intelligent medical system with sensors. This system analyzes NSCLC patients' medical records using sensors to assist staging a diagnosis and provides recommended treatment plans to physicians. To address the problem of unbalanced case samples across pathological stages, we used transfer learning and dynamic sampling techniques to reconstruct and iteratively train the model to improve the accuracy of the prediction system. In this paper, all data for training and testing the system were obtained from the medical records of 2,789,675 patients with NSCLC, which were recorded in three hospitals in China over a five-year period. When the number of case samples reached 8000, the system achieved an accuracy rate of 0.84, which is already close to that of the doctors (accuracy: 0.86). The experimental results proved that the system can quickly and accurately analyze patient data and provide decision information support for physicians.
    MeSH term(s) Carcinoma, Non-Small-Cell Lung/diagnosis ; China ; Humans ; Lung Neoplasms/diagnosis ; Neural Networks, Computer
    Language English
    Publishing date 2021-11-30
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s21237996
    Database MEDical Literature Analysis and Retrieval System OnLINE

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