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17 results on '"Jun Li, Yan"'

2. Innovation examples of electrocardiograph teaching mode in the time of big data

Author

ZENG Di, CHEN Yan, LI Jun, LI Yan, LIU Xiong-tao

Subjects
big data, electrocardiographic teaching, sequential, heuristic teaching, self-directed learning, Medicine
Abstract

The development of a platform of clinical electrocardiograph(ECG) big data and diversified internet teaching resources brings opportunities to explore the innovation of ECG teaching mode supported by big data. By analyzing current problems of traditional ECG teaching, this article puts forward three examples of ECG teaching innovation on ECG big data platform: sequential teaching combined with theory and practical training, heuristic teaching based on ECG vector theory and self-directed learning, and expounds their implementation strategies.

Published
2021

6. [Screening probiotic endophytic bacteria from medicinal plant flex cornuta and the phytopathogen-inhibiting effect]

Author

Long-fei, Zhao, Ya-jun, Xu, Xin-he, Lai, Tian-chao, Kou, Jun-li, Yan, Pei-pei, Zhou, Shan-shan, Fan, and Yong-feng, Yan

Subjects
Plant Leaves, Plants, Medicinal, Bacteria, Fruit, Probiotics, RNA, Ribosomal, 16S, Endophytes, Ilex, Plant Roots, Phylogeny
Abstract

Culturable endophytic bacteria were isolated from medicinal plant Ilex cornuta by plate-spreading method, strains with strong inhibitory effect on phytopathogen were screened by confrontation culture and fermentation filtrate culture methods, and the morphological changes of phytopathogen hyphae treated with endophytic bacteria were examined by microscopy and micrograph. Their phylogenetic relationships were determined by homology analysis of the 16S rDNA sequences of PCR products and the taxonomic status of the selected strains was determined based on their morphology, physiology, biochemical test results and 16S rDNA sequence analysis. A total of 85 endophytic bacteria were isolated from the healthy roots, stems, leaves and fruits of I. cornuta, and 10 strains of them showed strong inhibitory effect on Alternaria alternata, Magnaporthe grisea, Fusarium oxysporum, and were preliminarily identified belonging to four genera and seven species. Three strains with the strongest inhibitory effect, GG78 (60.3%), GG31 (48.1%) and GG13 (61.0%) belonged to Enterobacter cloacae, Enterobacter ludwigii and Bacillus cereus, respectively. Microscopic analyses showed that the inhibited phytopathogen hyphae became deformed, distorted, and partially expanded forming plasma concentration and hair-like branch on the hyphae base. These morphological changes could be caused by the extracellular metabolic substances secreted by the endophytic bacteria, such as antibiotics, hydrolytic enzymes, alkaloids and so on.

Published
2015

17. Leiomyoma in a Renal Allograft

Author

Jun Li, Yan, Rohan Siriwardana, Amila, Lawrence Penn Symons, James, Francis O’Neill, Gordon, Ru Qiu, Min, and John Furlong, Timothy

Abstract

Leiomyomas are smooth muscle tumours that are rarely found in the kidney. There is one report of a leiomyoma in a kidney transplant in a paediatric recipient. Here, we report an adult renal transplant recipient who developed an Epstein-Barr virus-positive leiomyoma in his allograft 15 years after transplantation. The patient was converted to everolimus for posttransplant immunosuppression management and there was no sign of progression over a year.

Published
2016
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