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Fluorescent labeling of Oleic Acid and/or Triglycerides

Fluorescent labeling of Oleic Acid and/or Triglycerides - Protocols and Methods Forum

Fluorescent labeling of Oleic Acid and/or Triglycerides - Post Any Protocol, Method, Technique, Procedure or Tips / Troubleshooting for any Molecular Biology Technique.


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Old 04-16-2007, 10:27 PM
Sharon Waldrop
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Default Fluorescent labeling of Oleic Acid and/or Triglycerides



Hello,

I am looking for a procedure/protocol for labeling Oleic Acid and/or Triglycerides. I do not want to use a kit (too expensive). I am looking at the exocytosis utilizing TIRF microscopy and Nile Red is too bright and stains the lipid bylayer. I can look at red and green florescence with the TIRF microscope. Thank you for your help.



Shar Waldrop
Senior Research Associate
University of Texas Southwestern Medical Ctr
Department of Internal Medicine
Division of GastroIntestinal - MC1951
5323 Harry Hines Blvd.
Dallas, Texas 75390-1951
Dr. Gordan Kilic's Lab; J05.114
[Only registered users see links. ]
LAB: 214.648.2063
CELL: 214.450.8086

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Old 04-18-2007, 06:19 PM
Dr Engelbert Buxbaum
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Default Fluorescent labeling of Oleic Acid and/or Triglycerides

Am 16.04.2007, 18:27 Uhr, schrieb Sharon Waldrop
<[Only registered users see links. ]>:


What precisely do you want: covalent modification of molecules to put into
your assay or a dye that partitions into lipid membranes (or droplets)?

Fatty acids can be labeled at the carboxy-group or at double bonds (see
the Molecular Probes catalogue at [Only registered users see links. ] for detailed
explanation}. You first decide on the chemistry you want to use (label)
and then on the fluorescent dye (emission/excitation wavelengths,
photostability etc).

Dyes that partition in membranes are also available, some are even
reasonably specific for particular membranes like ER. Again the Molecualar
Probes catalogue is your primary resource.
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