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姜黄素/糖基化鹰嘴豆蛋白凝胶缓释体系的研究
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作者 石文 陈志杰 《肇庆学院学报》 2024年第5期90-97,共8页
改性鹰嘴豆蛋白是一种有潜力的递送体系.实验通过单因素、正交优化实验制备糖基化鹰嘴豆蛋白凝胶递送体系:鹰嘴豆蛋白:葡萄糖比例为1:1,加热时间1.5 h,pH为7,加热温度95℃时,糖基化鹰嘴豆蛋白凝胶接枝度为28.33%,包封率94.40%,载装量7.2... 改性鹰嘴豆蛋白是一种有潜力的递送体系.实验通过单因素、正交优化实验制备糖基化鹰嘴豆蛋白凝胶递送体系:鹰嘴豆蛋白:葡萄糖比例为1:1,加热时间1.5 h,pH为7,加热温度95℃时,糖基化鹰嘴豆蛋白凝胶接枝度为28.33%,包封率94.40%,载装量7.29μg/mg.高于鹰嘴豆蛋白凝胶包封率22.66%,载装量5.91μg/mg.利用糖基化鹰嘴豆蛋白凝胶包埋姜黄素,6 h后测得姜黄素溶解率为6.49%,糖基化鹰嘴豆蛋白凝胶具有良好的缓释功能,在功能食品递送系统中具有应用前景. 展开更多
关键词 鹰嘴豆蛋白凝胶 糖基化改性 接枝度 包封率 缓释功能
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优化的供者来源细胞游离DNA检测方法的初步运用 被引量:1
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作者 朱代文 范钰 +2 位作者 巫丽娟 王雨姗 林涛 《实用器官移植电子杂志》 2021年第6期457-462,共6页
目的报道一种根据中国人群单核苷酸多态性(single nucleotide polymorphisms,SNP)特点优化后的,供者来源细胞游离DNA(donor derived cell-free DNA,dd-cfDNA)检测方法在肾移植中的初步运用。方法使用优化选择的8个SNP位点所形成的dd-cf... 目的报道一种根据中国人群单核苷酸多态性(single nucleotide polymorphisms,SNP)特点优化后的,供者来源细胞游离DNA(donor derived cell-free DNA,dd-cfDNA)检测方法在肾移植中的初步运用。方法使用优化选择的8个SNP位点所形成的dd-cfDNA检测试剂盒(Panel HX-8)检测保存的同种异体肾移植受者的血样,并回顾性分析了受者的临床资料。根据围术期肾功能恢复情况将受者分为5组:移植物功能迅速恢复(immediate graft function,IGF)、移植物功能缓慢恢复(slow graft function,SGF)、移植物功能延迟恢复(delayed graft function,DGF)、血清肌酐(serum creatinine,Scr)反弹(creatinine elevation,CE)以及发生抗体介导排斥反应(active antibody-mediated rejection,ABMR)。结果87例受者的总计330份围术期血样被检测。在其中的84例受者中,IGF组(n=73)的Scr和dd-cfDNA均呈指数型下降,Scr在术后第7天(postoperative day 7,POD7)达到谷平台值(116.2±33.7)μmol/L,而dd-cfDNA在POD5提前达到了谷平台值0.8%±1.5%。SGF组(n=4)和DGF组(n=2)POD1的dd-cfDNA均高于IGF组(28.5%±38.8%比4.0%±3.3%,P=0.003;9.9%±1.8%比4.0%±3.3%,P=0.083)。CE组的平均Scr从(118.6±22.0)μmol/L(POD7)上涨到了(150.8±25.9)μmol/L (POD12),而平均dd-cfDNA则是更早的从1.4%±0.9%(POD5)上涨到了5.4%±9.6%(POD7)。另外3例受者发生ABMR,治疗前后平均dd-cfDNA为4.2%±2.0%比0.6%±0.1%(P=0.399)。结论 Panel HX-8法检测dd-cfDNA的临床实用性高,且dd-cfDNA可能比Scr更能敏感地反映移植肾健康状况。将Panel HX-8在临床上的广泛应用有待后续研究,以进一步明确检测肾移植受者dd-cfDNA的临床价值。 展开更多
关键词 供者来源细胞游离DNA 移植物功能延迟恢复 移植物功能缓慢恢复 抗体介导排斥反应 预后
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Correlation of Surgical Times with Laparoscopic Live Donor Kidney Transplant Outcomes
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作者 Sertac Cimen Sanem Guler +2 位作者 Ian Alwayn Joseph Lawen Bryce Kiberd 《Open Journal of Organ Transplant Surgery》 2013年第4期68-72,共5页
Most studies revealed that ischemic time has substantial role in occurrence of delayed graft function (DGF) after deceased donor kidney transplantation. However, less is known about the potential impact of surgical ti... Most studies revealed that ischemic time has substantial role in occurrence of delayed graft function (DGF) after deceased donor kidney transplantation. However, less is known about the potential impact of surgical times on early outcomes following live donor kidney transplantation. A retrospective cohort of 189 consecutive laparoscopic live donor kidney transplant (LDKT) recipients from January 2006 to August 2012 was analyzed to reveal the impact of pneumoperitoneum time (PT) and anastomosis time (AT) on donor and recipient length of hospital stay and early graft function (EGF). DGF was observed in 13 (6.8%) patients while slow graft function (SGF) was seen in 27 (14%) of the recipients. The median AT was 28 minutes (interquartile range 23, 35 minutes). AT was associated with DGF (Odds Ratio [OR] 1.044, per minute, 95% CI 1.007, 1.082, p = 0.018). Median recipient length of hospital stay was 8 (interquartile range 7, 11) days. Every 13.5 minutes of longer AT was associated with 1 extra day in hospital. The median PT was 180 minutes (interquartile range 144, 234 minutes). PT was associated with both DGF (OR 1.013 per minute, 95% CI 1.005, 1.021, p = 0.001) and SGF (OR 1.009 per minute, 95% CI 1.002, 1.016, p = 0.016). Every extra hour of PT was associated with 0.42 more days in hospital for the donor. Surgical times may be underestimated variables in dictating use of hospital resources. The effect of surgical times on long term hard outcomes entails further study. 展开更多
关键词 Delayed graft function slow graft function ANASTOMOSIS TIME PNEUMOPERITONEUM TIME Kidney Transplantation
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