MeasurementwiththeLightMicroscope
Measurement with the Light MicroscopeYour microscope may be equipped with a scale (called a reticule) that is built into one eyepiece. The reticule can be used to measure any planar dimension in a microscope field since the ocular can be turned in any direction and the object of interest can be repositioned with the stage manipulators. To measure the length of an object note the number of ocular divisions spanned by ......阅读全文
Measurement－with－the－Light－Microscope
Measurement with the Light MicroscopeYour microscope may be equipped with a scale (called a reticule) that is built into one eyepiece. The reticule ca
USE－OF－THE－LIGHT－MICROSCOPE
USE OF THE LIGHT MICROSCOPEEach time the microscope is to be used it should be set up correctly to give a good image. Most often users forget to adjus
Light－Microscopy
The light microscope, so called because it employs visible light to detect small objects, is probably the most well-known and well-used research tool
Transmission－Electron－Microscope－(TEM)
所谓TEM，就是一个放大镜叠加了一台照相机。这台放大镜的放大倍数比较高，可高达一百万倍。当然，抛开分辨率谈放大倍数都是耍流氓，那么，TEM的分辨率有多高呢？答案是 it depends。一般来说，TEM的分辨率要在1到2个纳米，STEM更高，但是STEM得成像技术类似于SEM，但用的不是二次电子。我
Detection－and－Measurement－of－Radioactivity
Radioactive DecayIsotopes of a given element have nuclei with the same number of protons but different numbers of neutrons. Some isotopes are stable,
Detection－and－Measurement－of－Radioactivity
Liquid scintillation countingThe amount of kinetic energy in a beta particle differs from one decay to the next. However, each radioisotope has a typi
Sphingomyelin－Mass－Measurement
Protocol:Bligh & Dyer extraction1) Pellet approximately 1 X 107 cells.2) Resuspend pellet in 3 ml CHCl3: CH3OH (1:2) and vortex hard.3) Add 0.8 ml H2O
The－Effects－of－Ultraviolet－Light－on－the－Fertilization
Jill K. Flemming, Franklin & Marshall College, Class of 2001IntroductionThe objective of this project is to observe the effects of UV radiation on bot
偏光显微镜(Polarizing－microscope)
一、偏光显微镜的特点偏光显微是鉴定物质细微结构光学性质的一种显微镜。凡具有双折射性的物质，在偏光显微镜下就能分辨的清楚，当然这些物质也可用染色法来进行观察，但有些则不可能，而必须利用偏光显微镜。偏光显微镜的特点，就是将普通光改变为偏振光进行镜检的方法，以鉴别某一物质是单折射性（各向同性）或双折射性（
Study－on－a－TwoDimensional－Scanning－MicroMirror－and－Its－Application－...1
Study on a Two-Dimensional Scanning Micro-Mirror and Its Application in a MOEMS Target DetectorChi Zhang,* Zheng You, Hu Huang, and Guanhua LiAuthor i
Setup－and－use－of－a－twolaser－multiphoton－microscope
Setup and use of a two-laser multiphoton microscope for multichannel intravital fluorescence imagingDavid Entenberg,1 Jeffrey Wyckoff,1 Bojana Gligori
An－Integrative－Procedure－for－Apoptosis－Identification－and－Measurement
IntroductionApoptosis is a normal physiological phenomenon put forward by Kerr [1]. It plays an important role in embryonic development, maintenance o
Measurement－of－Green－Fluorescent－Protein－Expression
ReagentsCells to be studied expressing green fluorescent protein (GFP). Note that the same cell type without GFP is needed as control.Hoechst 33342 s
Silane－and－PolyLLysine－Coating－of－Microscope－Slides
1) Wash slides in Decon solution for 30 minutes.2) Wash slides in running tap water for 30 minutes.3) Wash slides in distilled water for 2 x 5 minutes
Microscopes－in－Cell－Biology
Microscopes in Cell BiologyIntroductionMicroscopy has a major role in the study of cells. From the very beginning, researchers have tried to develop w
Videos－for－Inline－Measurement－in－the－Pharmaceutical－Industry
For more information on Pharmaceutical Industry, download the Pharmaceutical brochure : Optimizing Pharmaceutical Processes
Measurement－of－Cell－Adhesion－Under－Static－Conditions
Many different molecules have been described to promote cell adhesion including several cell surface carbohydrate-binding proteins. Measuring cell adh
Measurement－of－Carbon－Fixation－Rates－in－Leaf－Samples
Generation of a Light Curve To address the hypothesis concerning photosynthetic efficiency it is necessary to expose sun and shade leaves to a ran
Tissue－Culture－Methods2
IV. MAINTENANCECultures should be examined daily, observing the morphology, the color of the medium and the density of the cells. A tissue culture log
显微镜技术——光学显微技术
The Light Microscope (House Ear Institute)An explanation of how the light microscope works, how to use it, and how to get optimal results when using i
Measurement－of－GFP－Expression－and－DNA－Content－in－Permeabilized－Cells
ReagentsCells to be studied expressing green fluorescent protein (GFP). Note that the same cell type without GFP is needed as a control.1 X PBS2% Buff
Calcium－Flux－Measurement－Using－Indo1
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
SemiQuantitative－Measurement－of－Proteins－by－Dot－Blotting
Purpose...Concentration of proteins in a crude preparations (such as culture sup) can be estimated semi-quantitatively by using "Dot Blot" method if y
Inline－Analytical－Measurement－Systems－in－Brewing－Industry
New website for the brewing industry highlights the values of digital, in-line analytical measurement systemsThe continuous, real-time data from in-
Methods－for－the－Measurement－of－a－Bacterial－Enzyme－Activity－in－Cell－Lysates
AbstractThe kinetic characteristics and regulation of aspartate carbamoyltransferase activity were studied in lysates and cell extracts of Helicobacte
An－Integrative－Procedure－for－Apoptosis－Identification－and－Measurement2
TroubleshootingCritical Steps(1) Don’t trypsinize cells for too long when collecting them.(2) Rotation speed should be no more than 1500 rpm during ce
Use－of－SemiThin－Cryosections－for－Light－Microscopy.
Use of Semi-Thin Cryosections for Light Microscopy.Semi-thin sections can be obtained from frozen blocks of cryoprotected biological material by secti
Dark－Field－Viewing
Dark Field ViewingPrincipleTo view a specimen in dark field, an opaque disc is placed underneath the condenser lens, so that only light that is scatte
Gamry电化学工作站：拉曼光谱电化学基础
Gamry电化学工作站：拉曼光谱电化学基础Purpose of This NoteThis application note discusses Raman spectroscopy and its combination with electrochemical techniques.The th
原子力显微镜（atomic－force－microscope,－AFM）工作原理
原子力显微镜是利用检测样品表面与细微的探针尖端之间的相互作用力（原子力）测出表面的形貌。探针尖端在小的轫性的悬臂上，当探针接触到样品表面时，产生的相互作用，以悬臂偏转形式检测。样品表面与探针之间的距离小于3－4nm，以及在它们之间检测到的作用力，小于10－8N。激光二极管的光线聚焦在悬臂的背面上。当