Chapter 6 Ultrasensitive Detection Technology

- Definitions: Detection Reagents
- Primary Detection Reagents
- Secondary Detection Reagents
- Common Experimental Protocols for Primary and Secondary Detection Reagents

- Principles of Tyramide Signal Amplification
- A Variety of Kits for TSA Detection
- TSA Kits
- Zenon Horseradish Peroxidase Antibody Labeling Kits
- Zenon Antibody Labeling Kits Enhanced with TSA Technology
- Applying TSA Technology to Cells and Tissues
- Immunohistochemical Detection Using TSA
- Fluorescence In Situ Hybridization Using TSA
- Detection of Biotin-XX Tyramide, DSB-X Biotin Tyramide and Hapten-Labeled Tyramides
- Double and Sequential Amplification with TSA
- DAB Histochemistry Kits
- Additional Tips on Using TSA Technology
- Our Bibliography of TSA Applications
- Product List

- Spectral Characteristics of the ELF 97 Signal
- Applications of ELF 97 Staining in Histochemistry
- Overcoming Sample Autofluorescence
- ELF 97 Kits for a Wide Variety of Applications
- ELF 97 mRNA In Situ Hybridization Kits
- ELF 97 Cytological Labeling Kit
- ELF 97 Immunohistochemistry Kit
- Endogenous Biotin-Blocking Kit
- ELF 97 Endogenous Phosphatase Detection Kit
- Reagents and Accessories for the ELF 97 Kits
- ELF 39 Phosphate, ELF 97 Glucuronide and ELF 97 Glucosaminide
- ELF Spin Filters
- Data Table
- Product List

- Phycobiliproteins
- Spectral Characteristics of Phycobiliproteins
- B-Phycoerythrin, R-Phycoerythrin and Allophycocyanin
- Tandem Conjugates of Phycobiliproteins
- Pure Phycobiliproteins
- Phycobiliprotein Conjugates
- Reactive Phycobiliprotein Derivative
- Phycobiliprotein-Labeled Secondary Detection Reagents
- Secondary Detection Reagents Labeled with Alexa Fluor DyePhycobiliprotein Tandem Conjugates
- R-Phycoerythrin Anti-Fluorescein/Oregon Green Antibody
- Phycobiliprotein Conjugates of Anti-CD Antibodies
- Phycobiliprotein Conjugates of Annexin V
- Custom Phycobiliprotein Conjugates
- Zenon Antibody Labeling Technology
- Product List

- Properties of Our Fluorescent and Nonfluorescent Microspheres
- Fluorescent FluoSpheres and TransFluoSpheres Microspheres
- Colored and Unstained Microspheres
- Applications for Fluorescent Microspheres
- FluoSpheres Fluorescent Microspheres
- A Wide Array of Fluorescent Colors
- A Wide Range of Sizes
- Four Different Surface Functional Groups
- Fluorescent Microspheres Conjugated to Biotin, Avidin and Streptavidin
- Fluorescent Microspheres Coated with Collagen
- Europium and Platinum Luminescent Microspheres for Time-Resolved Fluorometry
- Fluorescent Microsphere Starter Kits
- Fluorescent Microspheres for Educational Purposes
- TransFluoSpheres Fluorescent Microspheres: Tools for Multicolor Detection
- Advantages of TransFluoSpheres Fluorescent Microspheres
- TransFluoSpheres Beads to Match Different Excitation Sources
- BlockAid Blocking Solution
- Our Microsphere Bibliography
- Product List
List of Tables
Table 6.1 Tyramide Signal Amplification (TSA) Kits
Table 6.2 Spectral data for B-PE, R-PE and APC
Table 6.3 Tandem conjugates of R-phycoerythrin (R-PE)
Table 6.4 Tandem conjugates of allophycocyanin (APC)
Table 6.5 Molecular Probes' yellow-greenfluorescent FluoSpheres beads compared with other commercially available yellow-greenfluorescent microspheres
Table 6.6 Fluorescein equivalents in our yellow-greenfluorescent FluoSpheres beads
Table 6.7 Summary of Molecular Probes' FluoSpheres fluorescent microspheres
Table 6.8 Summary of biotin-, streptavidin- and NeutrAvidin biotin-binding proteinlabeled FluoSpheres microspheres
Table 6.9 Summary of Molecular Probes' TransFluoSpheres fluorescent microspheres
List of Figures
Figure 6.1 Simultaneous detection of three gene targets in a whole-mount Drosophila embryo by fluorescence in situ hybridization.
Figure 6.2 Zebrafish retina. ELF(R) 97 Immunohistochemistry Kit, tetramethylrhodamine wheat germ agglutinin and Hoechst 33342
Figure 6.3 Luminescent Constellation microspheres for imaging.
Figure 6.4 Schematic diagram of primary and secondary detection reagents
Figure 6.5 Schematic representation of TSA detection methods applied to immunolabeling of an antigen
Figure 6.6 Coupling of Alexa Fluor 488 tyramide to protein tyrosine side chains via peroxidase-mediated formation of an O,O'-dityrosine adduct
Figure 6.7 HeLa cells detected with Alexa Fluor 546 tyramide
Figure 6.8 Tyramide signal amplification of immunofluorescent staining in mouse brain sections.
Figure 6.9 Nuclear and nonnuclear incorporation of 5-bromo-2'-deoxyuridine in live cells.
Figure 6.10 Detection of epidermal growth factor (EGF) receptors directly or with signal amplification
Figure 6.11 Enhancement of estrogen receptor detection sensitivity by tyramide signal amplification
Figure 6.12 Zebrafish retina. TSA Kit #2, Alexa Fluor(R) 350 wheat germ agglutinin conjugate and TOTO(R)-3 nucleic acid stain.
Figure 6.13 In situ hybridization of α-satellite probes to human chromosomes 1, 15 and 17 detected by tyramide signal amplification.
Figure 6.14 Digital image analysis comparison of in situhybridized biotinylated alpha-satellite probes
Figure 6.15 Principle of the enzyme-mediated formation of the ELF 97 alcohol precipitate
Figure 6.16 Photostability comparison for tubulin preparations labeled with ELF 97 alcohol or fluorescein
Figure 6.17 Fluorescence excitation and emission spectra of the ELF 97 alcohol precipitate
Figure 6.18 ELF 97 photostability under intense UV illumination with a confocal laser-scanning microscope
Figure 6.19 HeLa cell nuclei. Texas Red(R)-X streptavidin, biotin-XX goat antimouse IgG antibody, ELF(R) 97 Cytological Labeling Kit and Hoechst 33258
Figure 6.20 Osteoblast cells in adult zebrafish head cryosection. ELF(R) 97 Endogenous Phosphatase Detection Kit, Texas Red(R)-X wheat germ agglutinin and Hoechst 33342 nucleic acid stain.
Figure 6.21 Schematic diagram of the methods employed in our ELF 97 Kits
Figure 6.22 Prostate carcinoma. ELF(R) 97 mRNA In Situ Hybridization Kit
Figure 6.23 Mouse fibroblasts. Paclitaxel, biotin-XX goat antimouse IgG antibody and ELF(R) 97 Cytological Labeling Kit
Figure 6.24 Bovine pulmonary artery endothelial cells (BPAEC). Paclitaxel, biotin-XX goat antimouse IgG and ELF(R) 97 Cytological Labeling Kit
Figure 6.25 Bovine pulmonary artery endothelial cells. Biotin-XX phalloidin, ELF(R) Cytological Labeling Kit
Figure 6.26 Cellular targets developed for visualization with the reagents in our ELF 97 Cytological Labeling Kits
Figure 6.27 Zebrafish retina. ELF(R) 97 Immunohistochemistry Kit, Hoechst 33342 and tetramethylrhodamine wheat germ agglutinin.
Figure 6.28 Adult zebrafish intestine. ELF(R) 97 Endogenous Phosphatase Detection Kit.
Figure 6.29 Endogenous alkaline phosphatase activity of osteosarcoma cells. ELF(R) 97 Endogenous Phosphatase Detection Kit and Hoechst 33342.
Figure 6.30 Adult zebrafish kidney. ELF(R) 97 Endogenous Phosphatase Detection Kit and propidium iodide.
Figure 6.31 A comparison of the photobleaching rates of APC and Cy5 conjugates
Figure 6.32 Absorption spectra for B-PE, R-PE and APC
Figure 6.33 Emission spectra for B-PE, R-PE and APC
Figure 6.34 Fluorescence emission spectra of Alexa Fluor dyeconjugates of R-phycoerythrin
Figure 6.35 Simultaneous detection of three cell surface markers using an Alexa Fluor 610R-phycoerythrin tandem conjugate, Alexa Fluor 488 dye and R-phycoerythrin labels
Figure 6.36 Simultaneous detection of three cell surface markers using an Alexa Fluor 647R-phycoerythrin tandem conjugate, Alexa Fluor 488 dye and R-phycoerythrin labels
Figure 6.37 Fluorescence emission spectra of allophycocyanin and long-wavelength Alexa Fluor dye conjugates of allophycocyanin
Figure 6.38 Fluorescence emission spectra of Alexa Fluor 647R-phycoerythrin streptavidin and Cy5R-phycoerythrin streptavidin tandem conjugates
Figure 6.39 Emission spectra of Alexa Fluor 610R-phycoerythrin and Texas RedR-phycoerythrin tandem conjugates
Figure 6.40 Comparison of immunofluorescent staining by R-phycoerythrindye tandem conjugates
Figure 6.41 Analytical size-exclusion chromatograms of free streptavidin and streptavidin, R-phycoerythrin conjugate
Figure 6.42 R-phycoerythrin used to detect DNA on a microarray
Figure 6.43 FluoSpheres(R) fluorescent microspheres.
Figure 6.44 Positively charged nylon membrane. TransFluoSpheres(R) fluorescent microspheres.
Figure 6.45 Emission spectra of FluoSpheres beads
Figure 6.46 PS-Speck microsphere used to demonstrate a point-spread function of a microscope's optics.
Figure 6.47 Fluorescence excitation and emission maxima of the FluoSpheres europium luminescent microspheres
Figure 6.48 Luminescence excitation and emission spectra of the FluoSpheres platinum luminescent microspheres
Figure 6.49 Schematic diagram of the large Stokes shifts exhibited by our TransFluoSpheres beads
Figure 6.50 Fluorescence emission spectra of our 488 nm lightexcitable TransFluoSpheres beads
List of Technical Notes and Product Highlights
Note 6.1 Product Highlight: Combining ELF 97 Staining with Other Fluorophores
Note 6.2 Technical Focus: Limitations of Low Molecular Weight Dyes