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半乳糖苷酶和碱性磷酸酶染色方法Histochemical Staining
半乳糖苷酶和碱性磷酸酶染色方法Histochemical StainingThis protocol has been optimized for b-gala
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半金属
半金属是物理化学性质介于金属和非金属之间的元素，包括硼、硅、锗、砷、锑、硒、碲、钋、砹9种元素。半金属元素在元素周期表中部，介于金属和非金属的过渡位置。半金属元
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浙贝母(thunberg fritillary)
百合科贝属的一个种，学名Fritillaria thunbergii Miq.,多年生草本植物。别名象贝、大贝或珠贝。鳞茎及花供药用。主产中国浙江省鄞县樟村，有
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白蛋白（albumin）
白蛋白（albumin,Alb）系由肝实质细胞合成，在血浆中的半寿期约为15-19天，是血浆中含量最多的蛋白质，占血浆总蛋白的40%-60%。其合成率虽然受食物
2025-03-31 70 -
巴西将实施全国生物柴油计划
巴西政府颁布新法令，规定自2008年开始全国范围内销售的普通柴油必须强制性添加至少2%的生物 柴油。要实现新法令规定的生物 柴油使用目标，2008年巴西至少需
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铵态氮肥
铵态氮主要是指液态氨、氨水，以及氨跟酸作用生成的铵盐，如硫酸铵、氯化铵、碳酸氢铵等。 液氨液氨的密度0.617g／cm3，沸点—33.3℃，约含氮82％。氨在7
2025-03-31 72 -
桉叶药糖
桉叶糖是一种药糖，具有清凉润喉、清洁口腔的作用，对防治伤风咳嗽也有一定助益。 原料配方 砂糖7.5公斤 饴糖2.5公斤 复方桉叶油220毫升 制作方法 1.将砂
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Measurement of -Carotene15,15-Dioxygenase Activity by Reverse-Phase HPLC
β-Carotene is the major precursor of vitamin A (retinol) and is found mainly in
2025-03-31 42 -
Custom-Designed Molecular Scissors for Site-Specific Manipulation of the Plant and Mammalian Genomes
Zinc finger nucleases (ZFNs) are custom-designed molecular scissors, engineered
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Live Cell Imaging of Zebrafish Leukocytes
Zebrafish are ideally suited for the live imaging of early immune cell compartme
2025-03-31 59 -
Polyclonal Antibody Production
Your antigen should at least have a molecular weight of 20 KDa for development
2025-03-31 63 -
Construction of Yeast Artificial Chromosome Libraries by Pulsed-Field Gel Electrophoresis
Yeast artificial chromosomes (YACs; 1 ) are rapidly becoming the major cloning s
2025-03-31 68 -
YAC Library Screening: Hybridization and PCR-Based Screening Protocols
Yeast artificial chromosome (YAC) libraries stored in microtiter plates are avai
2025-03-31 64 -
Synthesis of Biodegradable Polymers Using Biocatalysis with Yarrowia lipolytica Lipase
Yarrowia lipolytica lipase (YLL) was used as catalyst in the enzymatic ring-open
2025-03-31 57 -
X-Ray Microanalysis in the Scanning Electron Microscope
X-ray microanalysis conducted using the scanning electron microscope is a techni
2025-03-31 58
