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107 Newest Publications about the topic fluorescence microscopes

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Convex Lens-Induced Confinement for Imaging Single Molecules

17-Jun-2010 | Sabrina R. Leslie; Alexander P. Fields; Adam E. Cohen, Analytical Chemistry, 2010

Fluorescence imaging is used to study the dynamics of a wide variety of single molecules in solution or attached to a surface. Two key challenges in this pursuit are (1) to image immobilized single molecules in the presence of a high level of fluorescent background and (2) to image freely ...

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Evaluation of Re and 99mTc Complexes of 2-(4′-Aminophenyl)benzothiazole as Potential Breast Cancer Radiopharmaceuticals

17-Jun-2010 | Stamatia Tzanopoulou; Marina Sagnou; Maria Paravatou-Petsotas; Eleni Gourni; George Loudos; Stavros Xanthopoulos; Da ..., Journal of Medicinal Chemistry, 2010

The synthesis of M(I)(CO)3(NNO) (M = Re, 99mTc) complexes conjugated to the antitumor agent 2-(4′-aminophenyl)benzothiazole and to its 6-methyl derivative, as well as their in vitro and in vivo biological evaluation as breast cancer radiopharmaceuticals, is reported. The Re complexes displayed ...

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Preparation and Application of a Novel Vanillin Sensor Based on Biosynthesis of Au–Ag Alloy Nanoparticles

25-Apr-2010 | Dongyun, Zheng , Chengguo, Hu , Tian, Gan , Xueping, Dang , Shengshui, Hu, Sensors and Actuators B: Chemical, 2010

In this work, Au–Ag alloy nanoparticles were biosynthesized by yeast cells and applied to fabricate a sensitive electrochemical vanillin sensor. Fluorescence microscopic and transmission electron microscopic characterizations indicated that the Au–Ag alloy nanoparticles were mainly synthesized ...

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Polymer-and Glass-based Fluorescence Standards for the Near Infrared (NIR) Spectral Region

14-Apr-2010 | Christian Würth, Katrin Hoffmann, Thomas Behnke, Marius Ohnesorge, Ute Resch-Genger, Journal of Fluorescence, 2010

The widespread use and acceptance of fluorescence techniques especially in regulated areas like medical diagnostics is closely linked to standardization concepts that guarantee and improve the comparability and reliability of fluorescence measurements. At the core of such concepts are dependable ...

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Lubricant Flow in an Elastohydrodynamic Contact Using Fluorescence

23-Mar-2010 | T. Reddyhoff, J. H. Choo, H. A. Spikes, R. P. Glovnea, Tribology Letters, 2010

It is well-documented that parameters, such as film thickness and temperature in EHL contacts, can be measured experimentally using a range of techniques include optical interferometry, ultrasonics, capacitance and infrared emission. Considerably less is known, however, about the flow of ...

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Single Protein Molecules Visualized and Tracked in the Interior of Eukaryotic Cells

01-Nov-2002 | Kubitscheck, Ulrich, Single Molecules, 2002

Abstract In the last few years the visualization and tracking of single fluorescent proteins, nanometer‐sized RNP particles and viruses within the cellular interior was accomplished. This became feasible by use of photostable fluorescent dyes, extremely low probe concentrations, and wide‐field ...

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Single Protein Molecules Visualized and Tracked in the Interior of Eukaryotic Cells

01-Nov-2002 | Kubitscheck, Ulrich, Single Molecules, 2002

Abstract In the last few years the visualization and tracking of single fluorescent proteins, nanometer‐sized RNP particles and viruses within the cellular interior was accomplished. This became feasible by use of photostable fluorescent dyes, extremely low probe concentrations, and wide‐field ...

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