搜索结果: 1-14 共查到“Bacillus sp.”相关记录14条 . 查询时间(0.048 秒)
本发明属于环境工程水处理技术领域，具体涉及一种海洋细菌Bacillus sp.GP及其应用。海洋细菌为Bacillus sp.GP，以保藏于中国典型培养物保藏中心，地址：武汉大学，保藏时间为2017年10月20日，保藏编号为：CCTCC M 2017544。本发明从海洋底泥筛选得到海洋土著微生物能够适应复杂的海洋环境，并且能够还原贵金属钯和金。通过本发明中描述的方法得到的纳米钯和纳米金，能够用于加...
在厌氧条件下研究了西南地区一种典型土壤微生物芽孢杆菌Bacillus sp.dwc-2对模拟地下水中U(Ⅵ)的还原行为，重点考察了时间、无机阴离子、腐殖酸（HA）及富里酸（FA）对还原的影响，并利用TEM、EDS、SAED和XPS对还原后的样品进行了表征。结果表明：在pH=7.0、cNaHCO3=5 mmol/L和T=303 K条件下，Bacillus sp.dwc-2对U(Ⅵ)的还原率随时间的增...
Isolation and Characterization of Thermotolerant Alkaline Serine Protease of Bacillus sp. P-02
Thermotolerant Alkaline Isolation and Characterization
2016/6/2
Twelve bacterial strains isolated from the soils sample were screened for protease production on skimmed milk agar. Among them, strain P-02 was adjudged as the best protease producer and was identifie...
Immobilization of the Antarctic Bacillus sp. LX-1 α-Galactosidase on Eudragit L-100 for the Production of a Functional Feed Additive
α-Galactosidase Bacillus Eudragit L-100 Immobilization α-Galacto-oligosaccharides Feed Industry
2016/5/11
Partially purified α-galactosidase from Bacillus sp. LX-1 was non-covalently immobilized on a reversibly soluble-insoluble polymer, Eudragit L-100, and an immobilization efficiency of 0.93 was obtaine...
Degradation of Phytate Pentamagnesium Salt by Bacillus sp. T4 Phytase as a Potential Eco-friendly Feed Additive
Phytase Bacillus sp. Magnesium Phytate Feed Additive Phosphorus Pollution
2016/5/10
A bacterial isolate derived from soil samples near a cattle farm was found to display extracellular phytase activity. Based on 16S rRNA sequence analysis, the strain was named Bacillus sp. T4. The opt...
Methods for detection of Bacillus sp., B. cereus, and B. licheniformis in raw milk
cultivation method chromogenic medium genera-specific PCR species-specific PCR
2014/2/26
Totally 75 raw milk samples were analysed with the methods employing the media compared – MYPA, PEMBA, BrillianceTM Bacillus cereus agar, and HiCrome Bacillus agar. The reference method with MYPA seem...
Studies on Chromate Removal by Chromium-Resistant Bacillus sp. Isolated from Tannery Effluent
Bacillus sp. Bioremediation Cr (VI) Removal Tannery Effluent
2013/3/12
A chromate-removing strain was isolated from spent chrome effluent and identified as Bacillus circulans strain MN1. The isolated strain was studied for resistance to Cr (VI) and its ability to remove ...
A Novel Thermo-Alkalitolerant Endoglucanase Production Using Cost-Effective Agricultural Residues as Substrates by a Newly Isolated Bacillus sp. NZ
endoglucanase Bacillus sp. NZ thermo-alkalitolerant alkalitolerant thermotolerant wheat bran
2010/3/24
Highly alkalitolerant and moderately thermotolerant Bacillus sp. NZ, isolated from degrading lignocellulose, produced a novel highly thermotolerant and alkalitolerant endoglucanase. Maximum activity o...
Bacillus sp.W112产生表面活性剂条件优化及其特性
生物表面活性剂 芽孢杆菌 发酵条件
2009/11/16
从大庆油田油水混合样中分离得到一株芽孢杆菌(Bacillus sp. W112). 菌株发酵液具有较高的表面活性，而且其表面活性剂具有较好的温度、pH和盐稳定性. 对表面活性剂产生条件进行优化，确定了最佳碳源为30 g/L麦芽糖，最佳氮源为1.5 g/L的混合氮源[硫酸铵+硝酸钠(1:2, j)]，培养温度为37℃，在500 mL三角瓶中的装液量为100 mL，pH值为7.0，接种量为10%(j)...
内生细菌Bacillus sp对菠菜枯萎病的防治效果研究
内生细菌 菠菜枯萎病 防治效果
2009/6/18
[ 目的] 探讨内生细菌Bacill us sp . 对菠菜枯萎病的防病作用。[ 方法] 就内生菌Bacillus sp . 对菠菜枯萎病菌平板抑制作用、不同浓度内生菌对菠菜枯萎病的防治效果及内生菌在菠菜根部的定殖位点进行研究。[ 结果] 结果表明, 浓度为1 ×107 cfu/ ml 时, Bacillus sp .对菠菜枯萎病防治效果最好, 且内生菌定殖在菠菜根部木质部导管中。[ 结论] 从菠...
Variability of the Quorum Sensing System in Natural Isolates of Bacillus sp.
Bacillus genetic competence quorum sensing
2009/3/19
Bacteria communicate with one another by (emitting and/or reacting) to chemical signals. These communications, also known as quorum sensing, enable cells to control gene expression in response to cell...
Production of Catalase-Peroxidase and Continuous Degradation of Hydrogen Peroxide by an Immobilised Alkalothermophilic Bacillus sp.
catalase-peroxidase Bacillus sp. bleaching
2009/3/19
Catalase-peroxidase (CP) production by a Bacillus sp. (Bacillus KF) newly isolated from a textile finishing effluent and by this strain immobilised on light expanded clay was studied. In cultivations ...
嗜碱芽孢杆菌Bacillus sp．F26过氧化氢酶的分离纯化及性质研究
过氧化氢酶 Bacillu
2007/12/10
摘 要：从一株低度嗜盐、兼性嗜碱芽孢杆菌Bacillus sp．F26中纯化得到一种碱性过氧化氢酶，并对该酶进行了性质研究。
纯化过程经硫酸铵沉淀、阴离子交换层析、凝胶过滤层析及疏水层析四步最终获得电泳纯的目标酶(纯化58．5倍) 该过氧化
氢酶的分子量为140kD，由两个大小相同的亚基组成。天然酶分子在408 nm处显示特征吸收峰(Soret band)： 吡啶血色素光谱
显示了酶分子以...
Isolation of Bacillus SP. as a Volatile Sulfur-Degrading Bacterium and Its Application to Reduce the Fecal Odor of Pig
Bacillus SP. Comamonas Testosteroni Hydrogen Sulfide Malodor Pig Feces
2016/4/14
Fecal malodor is an acute environmental issue to be solved for the intensive animal agriculture in Japan. Among these substances volatile sulfur such as hydrogen sulfide (HS), methanethiol, and dimeth...