urease相关论文
Enzyme-Induced Carbonate Precipitation for the Protection of Earthen Dikes and Embankments Under Sur
Earthen structures such as shore protection dikes and river embankments easily suffer from erosion under surface water r......
Thermal inactivation of urease,trypsin inhibitors and lipoxygenase of soybean seeds by microwave,rad
Soybean contains large amounts of undesirable substances,such as trypsin inhibitor,Lox(lipoxygenase),exogenous lectin an......
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Cut chrysanthemum is one of the most popular cut flowers in the world.However,its production tends to fall dramatically ......
Bamboo charcoal enhances cellulase and urease activities during chicken manure composting:Roles of t
Microbial enzymes are crucial for material biotransformation during the composting pro-cess.In this study,we investigate......
Oral immunization of mice with attenuated Salmonella typhimurium expressing Helicobacter pylori urea
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Several enzymes catalyze much of the processes that exist in the soil. Enzymes in polluted soils are usually less active......
Enzymatic activities of polycyclic aromatic hydrocarbon (PAH) contaminated soil with the presence of
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<span style="font-family:Verdana;">Several androgenic steroids have been biotransformed by fungi into metabolites with......
目的 探索恶臭假单胞菌在幽门螺杆菌感染相关胃肠疾病中的意义.方法 采集14C尿素呼气试验阳性患者病变胃黏膜354例,进行细菌的分离......
Nitrogen cycle is critical to maintain a healthy coral reef ecosystem.Urea can provide a source of nitrogen for coral ho......
目的检测并分析幽门螺杆菌(Hp)尿素酶β亚基(UreB)与Hsp60之间的相互作用。方法克隆Hp 26695的尿素酶β亚基基因(UreB)融合GST标签......
目的：探讨胱抑素C与尿微量蛋白及尿酶联合检测在肾病治疗中的应用。方法78例来院的体检者，分为健康组、无症状肾病组、有症状肾病组，......
,Abnormal metabolism of gut microbiota reveals the possible molecular mechanism of nephropathy induc
The progression of hyperuricemia disease is often accompanied by damage to renal function.However,there are few studies ......
,Verification, Characterization and Tissue-specific Expression of UreG, a Urease Accessory Protein G
UreG genes have been found in bacteria, fungi and plants but have not yet identified in animals,although a putative UreG......
Immobilization of urease in metal–organic frameworks via biomimetic mineralization and its applicati
Enzyme immobilization has been accepted as an efficient technique for improving the stability and recyclability of enzym......
Gaps play a key role in forest ecosystem development and result from either natural processes or targeted forest managem......
本文通过对荣华二采区10...
Enzyme activities have the potential to indicate biological functioning of soils. In this study, soil urease, dehydrogen......
构建目前广泛应用的复合垂直流人工湿地系统,从酶学角度探讨湿地主要污染物净化机理.通过对下行流-上行流复合人工湿地和下行流-下......
Effects of Straw Processing Methods and Irrigation Sources on Enzymatic Activity of Soils under Wint
[Objective] The aim was to study on effects of ＂straw returning and ir-re- turning＂ and ＂irrigation with ground water and w......
目的 :利用基因克隆和表达的多肽制备唾液链球菌57.I尿素酶的特异性多克隆抗体。方法 :获得唾液链球菌57.I尿素酶最大的结构亚基ur......
Determination of Kinetic Parameters and Metal Ions in Urea-Urease System Based on the Biochemical Re
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Several androgenic steroids have been biotransformed by fungi into metabolites with numerous biological properties. Incu......
目的 克隆唾液链球菌57.Ⅰ的尿素酶基因,并在不添加外源性镍离子的情况下表达出有活性的尿素酶,以期为进一步研究口腔细菌的尿素分......
Effects of Straw Processing Methods and Irrigation Sources on Enzymatic Activity of Soils under Wint
[Objective] The aim was to study on effects of ＂straw returning and ir-re- turning＂ and ＂irrigation with ground water and w......
[目的]为酞酸酯类化合物污染土壤的生态毒理评价提供参考依据.[方法]采用室内模拟污染土壤,研究了邻苯二甲酸二(乙基-己基)酯(DEHP......
Determination of Kinetic Parameters and Metal Ions in Urea-Urease System Based on the Biochemical Re
A new analytical method for the determination of urea-urease system based on biochemical reaction heat induced laser bea......
Preparation of Glutaraldehyde Cross-Linked Chitosan Beads Under Microwave Irradiation and Properties
The glutaraldehyde cross-linked chitosan beads were prepared under microwave irradiation and urease was immobilized onto......
Urease was immobilized onto the glutaraldehyde cross-linked chitosan beads that were prepared under microwave irradiatio......
为研究酱香型白酒醇类活性成分(active alcohols,AAs)抑制幽门螺杆菌(Helicobacter pylori)损伤胃黏膜上皮(GES-1)细胞活性及潜在......
Preparation of Glutaraldehyde Cross-Linked Chitosan Beads Under Microwave Irradiation and Properties
The glutaraldehyde cross-linked chitosan beads were prepared under microwave irradiation and urease was immobilized onto......
从小叶女贞叶片中提取分离了具有抑制脲酶作用的活性成分并对其抑制作用进行研究. 结果显示该活性物质主要成分为多糖和酚类物质,......
目的：构建口服幽门螺杆菌（Helicobacter pylori,Hp）多价表位疫苗CTB-Hap A-Ure A-Ure B-Cag A（CTB-HUUC）,观察其在BABL/c小鼠体内抗Hp S......
大豆根系特别是与大豆共生的根瘤菌对土壤中的NH4^＋非常敏感，尿素酶抑制剂NBPT能够抑制土壤尿素酶的活性并减缓NH4^＋的水解速率已得到......
对不同树龄茶树根层土壤的呼吸作用(包括代谢熵qCO2)和土壤酶(脲酶、转化酶和酸性磷酸单酯酶)活性进行了研究.不同树龄茶树根层土......
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分析某市现加工即食豆浆中脲酶、总固形物、蛋白质等理化指标,探讨豆浆的理化品质情况,对食用豆浆品质现状做出评价。结果表明,37%......
本文对米氏机理速度方程进行了数学上合理的分析与推导，得到三处间化模式。以第一个模式作为示例，成功地应用了非线性最小二乘法－Ｍａｒｑｕａｒｄｔ方法......
本研究在实验数据基础上,分析大豆制油过程中加工条件对豆粕尿素酶活性和蛋白质变性的影响,以及尿素酶活性与蛋白质变性的关系,为......
本研究以脱脂后的大豆粕为原料，模拟大豆粕脱溶工序，研究水分、温度和时间对大豆粕中尿素酶活性的影响和有效赖氨酸的保留率以及尿素......
用四头安装有 T 型瘘管的长白×北京黑阉公猪于体重85—110千克阶段测定了不同脲酶活性对大豆饼粕整个消化道及回肠末端表观和......
研究了8种土壤粘粒对脲酶的吸附情况,结果显示,土壤粘粒对脲酶吸附120 min可达平衡.土壤粘粒对脲酶的吸附等温线为L型,可用双表面L......
【目的】研究Cr3＋含量对土壤脲酶和脱氢酶活性的影响,以筛选出土壤Cr3＋污染评价的酶学指标以及影响酶与Cr3＋关系的主要因素。【方法】......
对应用游离酶处理尿素废水进行了初步研究,重点对脲酶的来源,大豆的选择,提取工艺,处理碱性尿素废水的温度、投酶量、反应滞留时间......
采用2种方法分离纯化了幽门螺杆菌尿素酶.第1种方法是以DEAE-sepharose FF离子交换剂和Superdex 200凝胶为分离介质,用NaCl盐浓度......
尿素是白酒酿造过程酒醅中含有的氨基甲酸乙酯的主要前体之一，对浓香型白酒中氨基甲酸乙酯含量影响较大，通过降低酒醅中尿素含量可以......
利用氨气敏电极研究硝酸镍，磷酸盐及ＥＤＴＡ等酶抑制剂对脲酶分解尿素反应速率的影响以及抑制作用机理。......
研究了多孔壳聚糖球珠的制备条件，壳聚糖球珠的活化以及酶在球珠上的固定化条件；对固定化酶和游离酶的活性等进行了比较，发现壳聚糖球......
