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[em01] [img]http://ng1.17img.cn/bbsfiles/images/2005/06/200506241402_5945_1296401_3.jpg[/img]LumiMax-C : Attomoles LuminometerDetecting Proteins and Nucleic Acids with Ultra-SensitivityBy Maxwell Sensors Inc. (562) 801-2088 USA, http://www.maxwellsensors.com LumiMax-C is a compact model designed for ultra-sensitive chemiluminescence and bioluminescence detection. The system measures luminescence intensity in a 96-well microplate (black, white, or opaque). These microplates have microwells with clear bottoms, allowing the luminescence to be detected from the bottom of the well. Many companies, such as Nunc, Costar, Corning, BD Biosciences, Perkin Elmer, etc., have microplates for luminescence applications. Because LumiMax-C uses a state-of-the-art photoncounting multiplier tube as the detector, the system is extremely light sensitive. LumiMax-C has the ability to accurately count the number of photons generated from a chemiluminescent or bioluminescent experiment, allowing the system to detect very small amounts of analyte, in the range of attomoles, in the samples. The detector is sensitive in all visible ranges. LumiMax-C combines the latest, low-noise detector and electronic circuitry to provide very low background noise and very high signal levels. Its broad dynamic range covers over 6 orders of magnitude. The superior mechanical design eliminates most of the cross-talk down to ~ 10-5 between the adjacent wells. The system is flexible and easy to use. The user can select to scan any one or any set of the 96 wells, at a measuring time of 0.1-10 seconds per well. The system can also be used for kinetic and luminescence time profile studies. After clicking on the “Go” button, the system will automatically and quickly scan all of the reactions in the microwells and display the results.LumiMax-C utilizes a Windows-based PC or notebook as its microprocessor. The system is interfaced to a computer by a simple plug-in (serial port or USB) connection. A CD, with user-friendly software, is provided for easy installation. The resulting data is displayed as a spreadsheet in Microsoft-Excel or other format. The data, reported as number of optical counts, is displayed as it is collected. The system also offers software with easy click on data processing for routine calibration or operation. The system dimensions are approximately 16” x 11 “ x 4” and at 20 lb, it is easily portable for sharing between laboratories or researchers.
在经世买这本《禁锢在德黑兰的洛丽塔》已经许久,前不久才开始作为床头读物,塞在三联周刊庞大的信息量中间,让自己的思维即便在冬日也觉得缩在一堆温暖的文字里,感觉很舒适。苏友贞的文笔以前从来没有读过,看了之后有种很熟悉的感觉,就是以前读《沉重的肉身》那种流畅。昨日刚刚读到普鲁斯特因为一个小饼写出了7卷本的巨著,因为一种忆起往昔的触动,引发长篇累牍的描述。让我不禁想起自己中断了不少时间的那个往事杂陈,正如文章中那个年青人说的:普鲁斯特其实就是一blogger。文章中还提到一个词:involutary memory(非自主记忆),因为一道菜,一种气息,一张乍然似昨的影像,打开一封收藏已久的信函,一条语句的音调,一个装束,一弯无意的眼神,或多或少引起的感触和心底波澜,应该就是这个词组涵盖的意境吧。
[em09505]我想求购米特MT系列机械隔膜计量泵,请问有哪位朋友知道?