SimplifiedCalciumPhosphateCoprecipitation
Materials2x HEPES: 8 g NaCl, 0.105g NaHPO4, 6.5 g HEPES, H2O to 500 mL, pH 6.95 to 7.10 (try a range)2M CaCl2: store in aliquots at -20°CDNA 4 mg/mLProcedure(The volumes can be scaled up as necessary)1) Let all solutions equilibrate to room temperature.2) Feed cells on a 10 cm dish with 7 mL fresh media. They should not be more than 50% confluent.3) Add 0.5 mL of 2x HEPES to a conical tube.4) To a separate tube add 6......阅读全文
Simplified－Calcium－Phosphate－Coprecipitation
Materials2x HEPES: 8 g NaCl, 0.105g NaHPO4, 6.5 g HEPES, H2O to 500 mL, pH 6.95 to 7.10 (try a range)2M CaCl2: store in aliquots at -20°CDNA 4 mg/mLPr
磷酸钙沉淀法的方法和应该特点
磷酸钙-DNA 共沉淀法(calcium phosphate-DNA coprecipitation)，简称磷酸沉淀法，能把外源基因与入噬菌体DNA 的重组子导人大肠杆菌和哺乳动物细胞。磷酸钙沉淀法因为试剂易取得、价格便宜而被广泛用于瞬时转染和稳定转染的研究，先将DNA和CaCl2混合，然后加入到P
关于磷酸钙沉淀法的基本信息介绍
磷酸钙-DNA 共沉淀法(calcium phosphate-DNA coprecipitation)，简称磷酸沉淀法，能把外源基因与入噬菌体DNA 的重组子导人大肠杆菌和哺乳动物细胞。 磷酸钙沉淀法因为试剂易取得、价格便宜而被广泛用于瞬时转染和稳定转染的研究，先将DNA和CaCl2混合，然后
Phosphate－Assay
1. Make standards using sodium phosphate at the following uM concentrations: 0, 2, 5, 7, 10, 20, 40, 60, and 80. Use the screw top glass tubes.2. Dry
Simplified－Arabidopsis－Transformation－Protocol
(Brief version for those who are familiar with the method)Steve Clough and Andrew Bent, University of Illinois at Urbana-Champaign.Our present proto
Simplified－Arabidopsis－Transformation－Protocol
实验概要Our present protocol (Clough and Bent, 1998; modified from Bechtold et al. 1993) is extremely simple. We have found that the MS salts, hormone
Phosphate－(Sodium)－buffer－Chart
Phosphate (Sodium) buffer ChartStock solution A2 M monobasic sodium phosphate, monohydrate (276g/L)Stock solution B2 M dibasic sodium phosphate (284 g
Phosphate－Assay－by－Suprya－Jaydev
ReagentsAshing buffer:10 g Mg(NO3)2 100 ml EtOH1.5 N HCl stock:119.7 ml concentrated HCl (11.6M @ 36% by weight)880.3 ml H2O1 N Sulfuric acid stock:28
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Hepatitis B is a small DNA virus that contains only 4 open reading frames in its genome. Three of these ORFs have been identified as the envelope, cap
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One form of chemical energy used to drive biosynthetic reactions forward is the reducing power of the energy carrier NADPH. NADPH is essential to driv
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实验概要Measure the calcium in cytosol with indo-1.主要试剂DMSO, Imonomycin, RPMI1640, PBS实验步骤1. Dissolve the contents of 1 vial (50 μg indo-1) in 50 μl dry
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按照下表所给定的体积，混合1 mol/L 的磷酸二氢钠（单碱）和1mol/L 磷酸氢二钠（双碱）贮液，获得所需pH的磷酸缓冲液。配制1 mol/L 的磷酸二氢钠（NaH2PO4•H2O）贮液：溶解138g于足量水中，使终体积为1L;1mol/L 磷酸氢二钠（Na2HPO4）贮液:溶解14
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The differentiation of muscle cells is transcriptionally regulated, in part by the myocyte enhancer factor-2, MEF2. During myogenesis MEF2 binds to My
The－Effects－of－CalciumFree－Seawater－onthe－Development－ofSea－Urchin－Embryos
ObjectiveThe purpose of this experiment is to determine the effects of calcium-free seawater on the development of sea urchin embryos. Embryos were pl
Stock－solutions－for－tissue－culture
The kitchen makes Tris, TD, Tryp/TD, PBS, and VE.Tris is a fairly complex, Tris-buffered physiological saline solution. It is used to wash cells and i
Cloning－of－small－RNAs－with－5’－phosphate－and－3’－OH－ends3
Load your precipitated PCR samples into 2 consecutive lanes so as not to overload the lanes. For each different sample, I would run a separate ladder
Cloning－of－small－RNAs－with－5’－phosphate－and－3’－OH－ends2
3’ Adaptor Ligation and PurificationHeat shock the RNA by putting at 90°C for 30 seconds. Snap cool on ice.Set up the 3’Adaptor ligation reaction in a
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Phosphoglycerides are lipids that contain glycerol with a phosphate ester on one end and two fatty acid ester side chains. Phosphoglycerides such as p
细胞形态异常，鱼骨图来帮忙（五）
细胞培养过程中细胞辅助试剂是不可或缺的角色那么它是怎么影响细胞形态的呢？BI中国市场部带您分析分析~细胞辅助试剂可分为以下四部分：接下来我们逐条分析！胰酶★☆★☆★☆什么情况下是胰酶可能出现了问题呢？ 一旦发生消化时间逐渐拉长，或是细胞消化不下来，需注意胰酶是否已经失活。由于胰酶为蛋白类产品，反复冻
Phosphatidylinositol－4Kinase－and－Phosphatidylinositol－4Phosphate－5K...
Phosphatidylinositol 4-Kinase and Phosphatidylinositol 4-Phosphate 5-Kinase AssaysInositol lipid kinases are perhaps the easiest and most straightforw
Cloning－of－small－RNAs－with－5’－phosphate－and－3’－OH－ends01
IntroductionThe following protocol describes a procedure for the purification and cloning of miRNAs and other small RNAs in the 20-30 nucleotide size
ATP2B3基因突变与药物因子介绍
该基因编码的蛋白属于p型一级离子转运atp酶家族，其特征是在反应周期中形成一种磷酸天冬氨酸中间体。这些酶在很大浓度梯度下去除真核细胞中的二价钙离子，并在细胞内钙稳态中发挥关键作用。哺乳动物的质膜钙atp酶亚型由至少四个独立的基因编码，这些酶的多样性通过转录物的选择性剪接进一步增加。不同亚型和剪接变异
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该基因编码的蛋白属于p型一级离子转运atp酶家族，其特征是在反应周期中形成一种磷酸天冬氨酸中间体。这些酶在很大浓度梯度下去除真核细胞中的二价钙离子，并在细胞内钙稳态中发挥关键作用。哺乳动物的质膜钙atp酶亚型由至少四个独立的基因编码，这些酶的多样性通过转录物的选择性剪接进一步增加。不同亚型和剪接变异
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由Holt等（1998，2003）提出，在该模型中，酪蛋白胶粒是由酪蛋白分子缠结在一起，形成一个网状凝胶结构。在这一结构中，胶体磷酸钙微簇（colloidal calcium phosphate nanoclusters）对胶粒结构起稳定作用，它与钙敏性酪蛋白中的磷酸丝氨酸簇结合在一起，形成内部
DNA转染
DNA转染· Transfection of Mammalian Cells Using Lipofectamine (LTI)· Guide to Eukaryotic Transfections with Cationic Lipid Reagents (PDF)
Isolation－of－human－primary－ovarian－surface－epithelial－cells
1. Surface epithelial cells from normal ovaries from surgical residual specimen were isolated using standard and Institutional Review (References)
常用试剂配制－3
Magnesium chloride (MgCl MW 95.23)1 mMDissolve 95.2 mg of magnesium chloride per final volume of 1 liter.4 mMDissolve 0.381 grams of magnesium chlorid
Dissociation－of－Cells－from－Primary－Tissue
实验概要A common method to obtain single cell suspensions from primary tissue is enzymatic disaggregation. Expose the cells to enzymes for a minimal am
酪蛋白胶粒的亚胶粒模型基本介绍
酪蛋白结构的亚胶粒模型于1967年由Morr提出，这一模型的主要观点是： ①酪蛋白胶粒是由许多亚胶粒（sub-micelle）构成的，胶体磷酸钙（colloidal calcium phosphate，CCP）对亚胶粒和胶粒的形成起关键作用； ②构成酪蛋白胶粒的亚胶粒有两类，一类为不含κ-c
Xenofree－Culture－of－Neural－Stem－Cells
实验概要Neural stem cells (NSCs) derived from human embryonic stem cells (hESCs) have the potential to help provide understanding for human neurogenesis