Lipophilic and Membrane Probes for Microscopy

Microscopy offers great potential for qualitative and quantitative studies on the structure and function of cells and is uniquely suitable for probing living cells. The specimen is illuminated by light of a certain range of wavelengths, which may not necessarily be monochromatic, while viewing emitted (fluorescence) light of longer wavelengths. New methods, like confocal microscopy, provide better resolution (~1.4 improvement) and enable the measurement of various parameters. A point source and a point detector, both achieved by a pinhole are used, while light from other than the focal plane is defocused at the confocal aperture and thus detected only weakly.
Schematic diagram of a confocal microscope

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D3418 4-(4-Diethylaminostyryl)-1-methylpyridinium iodide ≥97%
381306 3,3′-Diethylthiatricarbocyanine iodide 99%
39235 11-[5-(Dimethylamino)-1-naphthalenesulfonylamino]undecanoic acid BioReagent, suitable for fluorescence, ≥98.0% (TLC)
40227 6-Dodecanoyl-N,N-dimethyl-2-naphthylamine suitable for fluorescence, ≥97.0% (HPLC)
F9182 FSL-biotin
F1058 FSL-Fluorescein
M29401 2-Methylanthracene 97%
82660 1-Pyrenedecanoic acid suitable for fluorescence, ≥98.0% (HPLC)
82663 1-Pyrenedodecanoic acid suitable for fluorescence, ≥98.0% (HPLC)
82657 1-Pyrenesulfonic acid sodium salt suitable for fluorescence, ≥97.0% (HPLC)
83702 Rhodamine 123 BioReagent, for fluorescence, ≥85% (HPLC)
87917 Tetramethylrhodamine ethyl ester perchlorate suitable for fluorescence, ≥90% (HPCE)