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
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
Gamry电化学工作站:拉曼光谱电化学基础2
Figure 2 – Jablonski diagram showing transition of energy for Rayleigh and Raman scattering.Scattered light itself can be distinguished between elas
可见光检测器-visible-light-detector
可见光检测器 visible light detector 又称分光光度检测器,是基于溶质分子吸收可见光的原理设计的检测器。能够直接采用可见光检测的溶质不是很多,而且多数灵敏度也不高,但采用具有高摩尔吸光系数的有机试剂(配位体和螯合剂)作为衍生化试剂进行柱前或柱后衍生操作的衍生化光度检测法是相当
杂散光(Stray-light-)对吸光度的影响
一、杂散光的重要性杂散光是紫外可见分光光度计非常重要的关键技术指标。它是紫外可见分光光度计分析误差的主要来源, 它直接限制被分析测试样品浓度的上限。当一台紫外可见分光光度计的杂散光一定时, 被分析的试样浓度越大, 其分析误差就越大。ASTM 认为: “杂散光可能是光谱测量中主要误差的来源。尤
梅特勒托利多LabX-Light-滴定软件
LabX Light 滴定软件产品详细说明 描述仪器控制功能:滴定仪控制在线曲线、测量值、一阶导数和结果直接控制滴定仪的辅助功能:搅拌、馈液、样品转换器的转动、电位测量每次分析后自动打印结果(用户可自定义内容)自动将结果导出到本地或网络硬盘(用户可自定义内容)
led光源的术语(二)
Parallel lightA parallel beam refers to a light where the beam travels in parallel to any extent without spreading. The light from a distant star ir
Phase-Contrast-Microscopy
Phase Contrast MicroscopyPrincipleMost of the detail of living cells is undetectable in bright field microscopy because there is too little contrast b
Methods-for-the-Measurement-of-a-Bacterial-Enzyme-Activity-in-Cell-Lysates3
Different enzyme assays for ACTase study in H. pyloriACTase properties were studied in situ in cell-free extracts to obtain information on enzyme func
Methods-for-the-Measurement-of-a-Bacterial-Enzyme-Activity-in-Cell-Lysates2
Measurement of ACTase activityNuclear magnetic resonance spect roscopy (NMR)The unique potential of NMR spectroscopy for monitoring simultaneously the
Vector-measurement-and-performance-tuning-of-a-terahertz-bottle-beam3
Vector characteristics of a THz bottle beamTaking advantage of the vector characterization function of the THz imaging system, the diffraction propert
Vector-measurement-and-performance-tuning-of-a-terahertz-bottle-beam1
Vector measurement and performance tuning of a terahertz bottle beamHeting Li, Xinke Wang, Sen Wang, Wenfeng Sun, Jiasheng Ye, Peng Han, Shengfei Feng
Vector-measurement-and-performance-tuning-of-a-terahertz-bottle-beam5
Figure 8Influence of the focal length of the silicon lens to the THz bottle beam. (a) Presents the Examplitude and wrapped phase cross-sections with α
Methods-for-the-Measurement-of-a-Bacterial-Enzyme-Activity-in-Cell-Lysates4
The use of a micro-titre based colorimetric assay provided a third method for the study of ACTase activity, and the most useful for large scale measur
Vector-measurement-and-performance-tuning-of-a-terahertz-bottle-beam4
The properties of the THz bottle beam are also sensitively dependent on the base angle of the Teflon axicon. To check this point, the Teflon axi
Combined-Flow-Cytometric-Measurement-of-Two-CellSurface-Antigens
INTRODUCTIONFlow cytometry is frequently used to assess nucleic acid content in individual cells. Based on DNA content alone, however, cells in the qu
Vector-measurement-and-performance-tuning-of-a-terahertz-bottle-beam2
According to ref.4, the radius of the sharpest THz light ring can be expressed asR=ftan(arcsin(nsinα)−α),R=ftan(arcsin(nsinα)−α),(1)where α and n is
Green-Fluorescent-Protein-as-an-Indicator-ofTransfection-in-Chicken-Embryos
Green fluorescent protein (GFP) is responsible for the bioluminescence of the Pacific Northwest jellyfish, Aequorea victoria. In A.victoria, the 27-kD
Light最新影响因子13.625,影响力持续稳定提升
费城时间2018年6月26日,科睿唯安发布了最新的《期刊引证报告》(Journal Citation Reports 2017,简称JCR 2017)。中国科学院长春光学精密机械与物理研究所主办的期刊Light: Science & Applications (《光:科学与应用》,以下简称Light
Combined-Flow-Cytometric-Measurement-of-Two-CellSurface-Antigens2
DNA and RNA Staining6. Stain cells with 7-AAD: i. Resuspend the cells from Step 5 in 0.5 mL of NASS containing 10 µg/mL of 7-AAD. Incubatefor 20 min a
Isolation-and-growth-of-pulmonary-artery-adventitial-fibroblasts
1. Adventitia from the main pulmonary artery was harvested neonatal calves. 2. Tissue was collected, carefully dissected free of blood vessels and f
Dynamic-Monitoring-ofCellular-Remodeling-Induced-bythe-Transforming-Growth1
The plasticity of differentiated adult cells could have a great therapeutic potential, but at the same time, it is characteristic of progression of se
New-white-paper-explains-how-ISM-measurement-systems-can-reduce-the-SOP
Creating and managing Standard Operating Procedures (SOPs) to meet quality control system requirements, necessitates a great deal of pharmaceutica
使用量子级联激光器的可调谐长波红外陷波滤波器的...3
6.Performance Characterization ExperimentThe prototype filters were fabricated based on the device design shown in Fig. 3 and the specifications liste
安捷伦科技收购拉曼光谱供应商Cobalt-Light-Systems
分析测试百科网讯 2017年7月7日,安捷伦科技公司宣布以4000万英镑现金收购位于英国牛津的拉曼光谱仪器供应商Cobalt Light Systems,该公司的产品针对制药行业应用市场和公共安全。 Cobalt的台式及手持式/便携式拉曼光谱仪器产品组合基于专有技术,能够通过屏障识别化学品和材
Histochemical-staining-of-sea-urchin-embryos-for-(AP)-enzyme-activity
Histochemical staining of sea urchin embryos for alkaline phosphatase (AP) enzyme activity1. Obtain embryo samples, tube of AP substrate buffer and tu
Hanging-drop-aggregation-assay
DescriptionThis assay is used for the aggregation property of cancer cells. It is a very critical parameter for measurement of cell metastasis. Factor
Silver-Acetate-Autometallography-(AMG)
In the early eighties, a series of papers were published by Gorm DANSCHER, Aarhus, Denmark, to introduce a reliable and easy-to-handle technique for l
Live-imaging-with-Drosophila-tissue-culture-cells1
IntroductionLive imaging provides an important complementation to the "snapshot" view obtained in fixed tissue by immunofluorescence. It allows follow
Study-on-a-TwoDimensional-Scanning-MicroMirror-and-Its-Application-...4
The target ranging is based on the phase-shift laser ranging method. The phase difference between the modulated signal and the reflected signal
如何使用Image-J分析WB的实验结果
1、在百度上搜索Image J软件然后下载到电脑上安装完毕。安装好Image J软件后,将你做的WB的片子进行扫描,得到扫描版图片。2、完成步骤1后,装好Image J软件后,点击软件上方的File,下拉点击Open,将扫描图片拉入进入软件中。接着点击软件上方的Image,下拉第一个是Type,点击