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BASIC THEORY AND USE OF GC-MSbyDr. Eugenia SobolevaContent1. Introduction.2. GC-MS systems and components.3. Vacuum system3.1. Rotary pump3.2. Diffusion pump3.3. Turbomolecular pump4. Interfacing GC and MS4.1. Packed column interfacing4.......閱讀全文
Beginning 1. In this paper, we focus on the need for 2. This paper proceeds as follow. 3. The structure of the paper is as follows. 4. In this
Section 2.1Nondenaturing Polyacrylamide Gel Electrophoresis of ProteinsJohn M. Walker1. IntroductionSDS-PAGE (Section 2.2) is probably the most
3) 50 mm Disks. Four 50 mm diameter, 2 mm thick disks were specially polished by Meller Optics to try to obtain strengthening disks. A p
An Introduction to BiocomputingVersion 2.01October 1996David Steffen, Ph.D.President, Biomedical Computing, Inc.6626 WestchesterHouston, Texas 77
Multiple ModelsThe impedance spectrum in Figure 25 shows two clearly defined time constants.Figure 25. Two Time Constant SpectrumThis spectrum ca
METTLER TOLEDO is pleased to announce their series of one-day training courses, which are designed to familiarize users with thermal analysis theo
Western 雜交（主要內容如下）Preparing of Protein LysatesWestern BlottingFar Western BlottingSemi Dry BlottingStripping MembranesTrouble Shooting and Others
Scanning the human genome with combinatorial transcription factor librariesPublished online: 18 February 2003, doi:10.1038/nbt794March 2003 Volume 21
The mean hemoglobin in group 1 was 9.9 mmol/L prior to the anesthesia and decreased to 8.7 mmol/L 10 min after administration of the an
The failure data is shown for the 12.5 mm diameter disks is shown in Fig. 12. The average failure pressure for the standard disks is 12 MPa, whe
Figure 3. Performance of a somewhat idealized Marchand balun with Z0o = 25 ohms, Z0e = 180 ohms, and ZL = 60 ohmsThe output terminals are each treat
1,關于使用三氯醋酸沉淀法后蛋白質難于重懸的問題Q:1,Hi !I have been trying to clean and concentrate proteins form eucariotic cell culture medium in order to analyse them in 2
Sapphire Window Development and Testing.The effort of this work was devoted to fabricating ultrathin strengthened sapphire disks and to accurately
Southern雜交One important thing for transfer:the weight of the object resting on top of the blotting apparatus should not exceed the weight equal to a 5
實驗概要Central neurons lose the ability for axonal regrowth during development and typically do not regenerate their axons following axotomy once the
Single crystal sapphire is not a typical optical material, with a standard strength not much lower than the steel described above, since the ave
eBioscience公司Luminex液相蛋白芯片檢測試劑——ProcartaPlex可以為您的生物學研究提供各種多因子檢測方案，包括細胞因子、生長因子、趨化因子和其他蛋白。在選擇試劑盒及操作時會遇到很多問題，現將常見問題及答復匯總如下，供您參考： 如果不小心將整個試劑盒保存在-20°C. 這個試
Microscopes in Cell BiologyIntroductionMicroscopy has a major role in the study of cells. From the very beginning, researchers have tried to develop w
Sodium citrate (MW 294.10)0.09 MDissolve 2.65 grams of sodium citrate to a final concentration of 100 ml with water.Sodium citrate/formaldehyde (for s
The following protocol has been developed for preparing soluble bacterial proteins in a form suitable for analysis by 2D-PAGE. The procedure was princ
1) After ECL development, wash membrane once for 10min with PBST.2) Incubate the membrane in stripping buffer (see below) in a heat-sealed plastic bag
4月7日，經ISO和IEC授權同意，我國免費公開了20項醫用肺呼吸機等醫療器械相關ISO標準，以及5項醫用電氣設備IEC標準，為打贏疫情防控阻擊戰持續貢獻標準力量。20項呼吸機和基本醫療器械相關ISO標準和5項醫用電氣設備IEC標準清單序號標準號標準名稱（英文）標準名稱（中文）1ISO 1065
This tutorial presents an introduction to Electrochemical Impedance Spectroscopy (EIS) theory and has been kept as free from mathematics and ele
Solid-state physics offers insights into dielectric properties of biomaterialsA team of Russian, Czech and German researchers gained a new perspecti
最方便的實驗干貨查詢工具微信掃碼進入「丁香實驗」小程序編輯： 嗚咽分享到： Flow Cytometry Analysis (Springer Lab, Harvard University)Flo
Flow Cytometry Analysis (Springer Lab, Harvard University) Flow cytometry employs instrumentation that scans single cells flowing past excit
Manipulating and analyzing DNA are fundamentals in the field of molecular biology. Indeed, separating complex mixtures of DNA into different sized fra
DNA的酶學操作DNA Modifying Enzymes (Michael Blaber)Introduction to bacterial restriction/modification system. It provides very useful background knowl
實驗概要The following basic protocol serves as a general guideline and a starting point for any PCR amplification. Optimal reaction conditions
實驗概要 Small synthetic peptide substrates are especially well suited for applications such as assays of tyrosine kinases