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  • 1
    In: Pest Management Science, Wiley, Vol. 77, No. 12 ( 2021-12), p. 5475-5488
    Abstract: In 2017 Tuta absoluta was identified as an invasive species in China. Due to its rapid geographic expansion and the severe crop damage it causes, T. absoluta poses a serious threat to China's tomato production industry. To determine its geographic distribution and host range, intensive surveys and routine monitoring were conducted across the Chinese mainland between 2018 and 2019. The population colonization coefficient (PCC; ratio of colonized sites and prefectures) and population occurrence index (POI; ratio of infested host species and PCCs) were calculated. RESULTS In northwestern China, T. absoluta populations established in Xinjiang exhibited a medium PCC value (~0.03). In southwestern China, populations in Yunnan and its five neighboring provinces exhibited high (~0.50 in Yunnan and Guizhou), or low ( 〈 0.02 in Guangxi, Sichuan, Hunan, and Chongqing) PCC values. In the Chinese mainland, infestations of four crop plant species (tomato, eggplant, potato, and Chinese lantern) and two wild plant species (black nightshade and Dutch eggplant) were identified; tomatoes were infested in every colonized province. Chinese lantern and Dutch eggplant are potentially novel hosts. Yunnan, Guizhou, and Xinjiang experienced the most serious damage (POI). In southwestern China, observed damage significantly decreased with increased distance from the first discovery site of T. absoluta to the farthest county of an infested province increased. CONCLUSION T. absoluta populations are well‐established and could potentially spread to other regions of China. The present study helps to inform the establishment of better pest management guidelines and strategies in China and tomato‐producing regions worldwide. © 2021 Society of Chemical Industry.
    Type of Medium: Online Resource
    ISSN: 1526-498X , 1526-4998
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2003455-6
    SSG: 12
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  • 2
    In: Histopathology, Wiley, Vol. 77, No. 5 ( 2020-11), p. 823-831
    Abstract: An ongoing outbreak of 2019 novel coronavirus (CoV) disease (COVID‐19), caused by severe acute respiratory syndrome (SARS) CoV‐2, has been spreading in multiple countries. One of the reasons for the rapid spread is that the virus can be transmitted from infected individuals without symptoms. Revealing the pathological features of early‐phase COVID‐19 pneumonia is important for understanding of its pathogenesis. The aim of this study was to explore the pulmonary pathology of early‐phase COVID‐19 pneumonia in a patient with a benign lung lesion. Methods and results We analysed the pathological changes in lung tissue from a 55‐year‐old female patient with early‐phase SARS‐CoV‐2 infection. In this case, right lower lobectomy was performed for a benign pulmonary nodule. Detailed clinical, laboratory and radiological data were also examined. This patient was confirmed to have preoperative SARS‐CoV‐2 infection by the use of real‐time reverse transcription polymerase chain reaction and RNA in‐situ hybridisation on surgically removed lung tissues. Histologically, COVID‐19 pneumonia was characterised by exudative inflammation. The closer to the visceral pleura, the more severe the exudation of monocytes and lymphocytes. Perivascular inflammatory infiltration, intra‐alveolar multinucleated giant cells, pneumocyte hyperplasia and intracytoplasmic viral‐like inclusion bodies were seen. However, fibrinous exudate and hyaline membrane formation, which were typical pulmonary features of SARS pneumonia, were not evident in this case. Immunohistochemical staining results showed an abnormal accumulation of CD4+ helper T lymphocytes and CD163+ M2 macrophages in the lung tissue. Conclusion The results highlighted the pulmonary pathological changes of early‐phase SARS‐CoV‐2 infection, and suggested a role of immune dysfunction in the pathogenesis of COVID‐19 pneumonia.
    Type of Medium: Online Resource
    ISSN: 0309-0167 , 1365-2559
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2006447-0
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  • 3
    In: Journal of Digestive Diseases, Wiley, Vol. 21, No. 5 ( 2020-05), p. 293-300
    Abstract: To evaluate whether patients with malignant biliary obstruction (MBO) benefit from balloon dilation before the placement of a self‐expanding metal stent (SEMS) for palliative biliary drainage. Methods Consecutive patients who underwent endoscopic retrograde cholangiopancreatography with SEMS placement for palliative management of MBO were retrospectively included. Comparative analyses of serum bilirubin levels, post‐procedural adverse events, stent patency time, stent dysfunction, and patient survival were performed between the dilation and non‐dilation groups. Results A total of 221 patients underwent palliative endoscopic SEMS implantation for MBO from January 2014 to June 2018. Dilation significantly improved the percentage of serum bilirubin improvement (37.0% vs 14.3%, P = 0.001), with a decreasing trend in the incidence of post‐procedural cholangitis (2.5% vs 7.8%, P = 0.075), while the rates of other complications such as pancreatitis and bleeding were not increased. The patency time of SEMS and patient survival did not significantly differ between patients with and without dilation. Patients had endoscopic nasobiliary drainage (ENBD) but not dilation showed similar short‐term outcomes as patients underwent dilation but without ENBD. Conclusions Dilation with a small‐caliber balloon catheter before the placement of SEMS is a safe and effective approach for MBO. Balloon dilation may improve the short‐term efficacy of SEMS placement, while long‐term outcomes are not obviously affected. The short‐term effect of stricture dilation may be achieved by ENBD. Further studies are needed to confirm our results.
    Type of Medium: Online Resource
    ISSN: 1751-2972 , 1751-2980
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2317117-0
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  • 4
    In: Insect Science, Wiley, Vol. 25, No. 5 ( 2018-10), p. 916-926
    Abstract: Sometimes, extreme weather is vital for the population survival of migratory insects by causing sudden population collapse or outbreak. Several studies have shown that rice planthopper migration was significantly influenced by typhoons in eastern Asia. Most typhoons occur in the summer, especially in August. In August, brown planthopper Nilaparvata lugens (Stål) migrates northward or southward depending on wind direction, and thus typhoons can potentially influence its migration process and population distribution. However, this has not yet been studied. This paper reported a case study on the effects of Typhoon Soudelor on the summer migration of N. lugens in eastern China in 2015. The migration pathways of N. lugens were reconstructed for the period under the influence of a typhoon by calculating the trajectories and migration events in eight counties of the Yangtze River Valley region with ancillary information. Trajectory modelling showed that most migrants took short distance migrations (less than 200 km) under the influence of the Typhoon Soudelor. Numerous N. lugens migrants were concentrated and deposited at the rear of the typhoon during the last 5 days of Typhoon Soudelor on August 9–13 due to horizontal convergence, and this led to an outbreak population. These results indicated that the N. lugens population was redistributed by the typhoon in the summer and that the population dynamics at the rear of a typhoon should be kept under close surveillance. This study provided insight into migratory organisms adapting to atmospheric features.
    Type of Medium: Online Resource
    ISSN: 1672-9609 , 1744-7917
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2018
    detail.hit.zdb_id: 2179775-4
    SSG: 12
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  • 5
    In: Journal of Digestive Diseases, Wiley, Vol. 24, No. 2 ( 2023-02), p. 70-84
    Abstract: With the development and generalization of endoscopic technology and screening, clinical application of magnetically controlled capsule gastroscopy (MCCG) has been increasing. In recent years, various types of MCCG are used globally. Therefore, establishing relevant guidelines on MCCG is of great significance. The current guidelines containing 23 statements were established based on clinical evidence and expert opinions, mainly focus on aspects including definition and diagnostic accuracy, application population, technical optimization, inspection process, and quality control of MCCG. The level of evidence and strength of recommendations were evaluated. The guidelines are expected to guide the standardized application and scientific innovation of MCCG for the reference of clinicians.
    Type of Medium: Online Resource
    ISSN: 1751-2972 , 1751-2980
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2317117-0
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  • 6
    In: American Journal of Hematology, Wiley, Vol. 98, No. 9 ( 2023-09), p. 1394-1406
    Abstract: Chronic myelomonocytic leukemia (CMML) is a clonal hematopoietic stem cell malignancy, and allogeneic hematopoietic stem cell transplantation (allo‐HSCT) is the only curable treatment. The outcomes after transplant are influenced by both disease characteristics and patient comorbidities. To develop a novel prognostic model to predict the post‐transplant survival of CMML patients, we identified risk factors by applying univariable and multivariable Cox proportional hazards regression to a derivation cohort. In multivariable analysis, advanced age (hazard ratio [HR] 3.583), leukocyte count (HR 3.499), anemia (HR 3.439), bone marrow blast cell count (HR 2.095), and no chronic graft versus host disease (cGVHD; HR 4.799) were independently associated with worse survival. A novel prognostic model termed ABLAG (Age, Blast, Leukocyte, Anemia, cGVHD) was developed and the points were assigned according to the regression equation. The patients were categorized into low risk (0–1), intermediate risk (2, 3), and high risk (4–6) three groups and the 3‐year overall survival (OS) were 93.3% (95%CI, 61%–99%), 78.9% (95%CI, 60%–90%), and 51.6% (95%CI, 32%–68%; p   〈  .001), respectively. In internal and external validation cohort, the area under the receiver operating characteristic (ROC) curves of the ABLAG model were 0.829 (95% CI, 0.776–0.902) and 0.749 (95% CI, 0.684–0.854). Compared with existing models designed for the nontransplant setting, calibration plots, and decision curve analysis showed that the ABLAG model revealed a high consistency between predicted and observed outcomes and patients could benefit from this model. In conclusion, combining disease and patient characteristic, the ABLAG model provides better survival stratification for CMML patients receiving allo‐HSCT.
    Type of Medium: Online Resource
    ISSN: 0361-8609 , 1096-8652
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 1492749-4
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  • 7
    In: Liver International, Wiley, Vol. 34, No. 4 ( 2014-04), p. 612-620
    Abstract: Transarterial chemoembolization ( TACE ) is recommended as standard care for intermediate hepatocellular carcinoma ( HCC ). We analyse the rationality and effectiveness of TACE with BCLC B stage HBV ‐related HCC in a large cohort. Methods A total of 1516 patients with BCLC B stage from 7724 HBV‐related HCCs who received TACE as initial treatment were retrospectively studied. The treatment response was assessed by the mRECIST criteria. The overall survival was calculated with life‐table method and compared with the Mantel‐Cox test. The prognostic factors were assessed using Cox proportional hazards. Results The 1‐, 3‐ and 5‐year overall survival rates were 84%, 29% and 19% respectively for all patients. Alpha‐foetoprotein, Child‐Pugh classification, tumour size and number were independent prognostic factors. The 5‐year survival for patients with CR , PR , SD and PD were 39%, 19%, 2% and 0%, respectively ( P  〈   0.0001). Child‐Pugh A liver function ( P  =   0.002) and smaller tumour ( P  〈   0.0001) were associated with CR / PR response. After TACE , the 5‐year survival rates for patients who received surgical resection, local ablation, repeated TACE and other therapies were 52%, 29%, 12%, 10% respectively ( P  〈   0.0001). In 328 CR patients, the prognosis of 151 patients received surgical resection is better than 177 patients not undergo liver resection (5‐year survival: 52% & 27%, P  〈   0.0001). Conclusions Transarterial chemoembolization is a safe and efficacious treatment for BCLC B stage HBV ‐related HCC . A low AFP level, small tumour, low tumour number and good liver function predicted good survival. Tumour response after initial TACE , an independent prognostic factor of overall survival, was associated with tumour extent and influenced subsequent treatment.
    Type of Medium: Online Resource
    ISSN: 1478-3223 , 1478-3231
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2014
    detail.hit.zdb_id: 2124684-1
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  • 8
    In: Advanced Materials Technologies, Wiley, Vol. 4, No. 7 ( 2019-07)
    Abstract: Tailoring the electromagnetic responses by metasurface greatly expands one's capabilities to manipulate light in a controlled manner. Either amplitude or phase of the incident wave can be altered during the light–matter interaction, and thus opens the possibility of information modulation without conventional analog or digital circuits. A prototype of quadrature phase‐shift keying (QPSK) wireless communication based on time‐domain digital coding metasurface, whose reflection properties can be varied within different time slots by changing the biasing voltages of varactor diodes in specially designed meta‐atoms, is developed here. As the information is transformed into binary bit streams and mapped to pulse sequences of the biasing voltage, the baseband digital signal is directly modulated to the carrier wave through the digital coding metasurface. Compared to the earlier version of binary frequency‐shift keying architecture based on digital coding metasurface, the proposed QPSK system has a much higher data‐transmission rate for wireless communications. A proof‐of‐concept experiment is conducted to prove the real‐time transmission ability of this system, where a video is delivered between the transmitter and receiver with high accuracy and date rate. The presented work is promising in the development of next‐generation wireless communication technologies.
    Type of Medium: Online Resource
    ISSN: 2365-709X , 2365-709X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2850995-X
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  • 9
    In: SID Symposium Digest of Technical Papers, Wiley, Vol. 48, No. 1 ( 2017-05), p. 201-203
    Abstract: Cost‐effective Display Driver IC architecture with an external memory is presented. Low‐power and high‐speed memory interface is proposed to minimize the increase of power consumption and the number of pins. The measured power consumption was less than 45mW with four 1.6Gbps data lanes, 1 clock lane and 1 command lane.
    Type of Medium: Online Resource
    ISSN: 0097-966X , 2168-0159
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2017
    detail.hit.zdb_id: 2526337-7
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  • 10
    In: Journal of Digestive Diseases, Wiley, Vol. 22, No. 11 ( 2021-11), p. 645-655
    Abstract: To summarize data from a serological survey of high‐risk populations in Guangdong Province, China, and to perform a meta‐analysis to investigate the prevalence and seroprevalence of celiac disease (CD) in the Chinese general and high‐risk populations. Methods We collected data from the serological survey of high‐risk population of CD in Guangdong Province, China (N = 1390) by testing their serum tissue transglutaminase immunoglobulin A (tTG‐IgA), deamidated gliadin peptides immunoglobulin A (DGP‐IgA) and deamidated gliadin peptides immunoglobulin G (DGP‐IgG). Additionally, a literature search was performed on PubMed, EMBASE, Cochrane Library and three Chinese databases for articles published up to 20 December 2020 to estimate the pooled prevalence and seroprevalence of CD in China. Results In the serological survey, 0.94% (13/1390) of individuals were positive for CD antibodies. In a meta‐analysis of 18 studies, the seroprevalence of CD in the general Chinese population was 0.27% (95% confidence interval [CI] 0.02%‐0.71%). While that in the high‐risk population was 8.34% (95% CI 4.90%‐12.54%) (odds ratio 7.27, 95% CI 4.06‐13.04). The prevalence of biopsy‐confirmed CD in high‐risk Chinese populations was 4.44% (95% CI 1.53%‐8.58%). The seroprevalence of CD varied with patients’ geographical origin, being higher in northern China than in southern China. Conclusions Early diagnosis of CD by serological screening in high‐risk population and generous serological testing in those with vague symptoms, especially in northern China, are recommended.
    Type of Medium: Online Resource
    ISSN: 1751-2972 , 1751-2980
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2317117-0
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