イモビロン（Immobilon） トランスファーメンブレンシリーズ
Immobilon® PVDF membranes are the ideal transfer membranes for protein blotting applications.
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参考資料
| 参考資料の概要 | アプリケーション |
|---|---|
| Mobile Phase Preparation for UHPLC: Membrane Filtration Method Affects System Performance and Leaching of Extractable Impurities Subodh Kulkarn(1), Jesmi George(2) and Vivek Joshi(2) (1) Millipore India Pvt. Ltd., Bioscience Division, 50A, 2nd Phase, Ring Road, Peenya, Bangalore, India 560058 (2) Millipore Corp., Bioscience Division, 17 Cherry Hill Drive, Danvers, MA 01923 LCGC 2010 概要を表示する 記事全文 | |
| Quantitation of Protein on gels and blots by infrared fluorescence of Coomassie blue and fast green Luo S., Wehr N.B., Levine R.L. Analytical Biochemistry:350 (2006):233-238 2006 | Immunoblotting (Western) |
| Role of the Small Heat Shock Proteins in Regulating Vascular Smooth Muscle Tone McLemore E.C., Tessier D.J., Thresher J., Komalavilas P., Brophy C.M J. Am. Coll. Surg. 2005, Vol 201 (1):30-36 2005 | |
| Pre-B-cell colony-enhancing factor is a secreted cytokine-like protein from the human amniotic epithelium. Ognjanovic S, Ku TL, Bryant-Greenwood GD. Am J Obstet Gynecol. 2005 Jul;193(1):273-82 2005 | Western Blotting |
| A high-affinity reversible protein stain for Western blots Antharavally B.S., Carter, B., Bell, P.A., Mallia K. Analytical Biochemistry 2004,Vol 329:276-280 2004 | |
| Biochemical analysis of GABA receptor subunits alpha 1, alpha 5, beta1 beta2 in the hippocampus of patients with Alzheimer's disease neurophathology Rissman, R.A., Mishizen-Eberz A.J. N.,Wolfe, C.B.B., DeBlas A.L., Miralles C.P., Ikonomovic M.D., armstrong D.M. Neuroscience 120 (2003) 295-705 2003 | Western Blotting |
| Proteomics reveals protein profile changes in doxorubicin treated MCF7 human breast cancer cells Cheng S.T., Pan T, L., Tsai Y.Ch, Huang C. M. Cancer letters 2002. vol 181:95-107 2002 | |
| Towards proteome-wide production of monoclonal antibody by phage display. Bin Liu, Lan Huang, Carina Sihlbom, Al Burlingame and James D. Marks. J Mol Biol. 2002 Feb 1;315(5):1063-73 2002 | Mass Spectrometry Sample Prep |
| Characterization of retinoic acid receptor-deficient keratinocytes. Goyette Philippe; Chen Chang Feng; Wang Wei; Seguin Francois; Lohnes David(a) Journal of Biological Chemistry v 275 pg 16497-16505 June 2, 2000 2000 | |
| Protection of renal inner medullary epithelial cells from apoptosis by hypertonic stress-induced p53 activation Dmitrieva Natalia(a); Kultz Dietmar; Michea Luis; Ferraris Joan; Burg Maurice ; Journal of Biological Chemistry v 275, pg 18243-18247 June 16, 2000 Journal of Biological Chemistry v 275, pg 18243-18247 June 16, 2000 2000 |
FAQ（よくある質問と回答）
| 質問 | 回答 |
|---|---|
| Should I prewet MultiScreen Immobilon-P plates before use? | Yes. Use 15 ul of 70% ethanol or methanol to prewet the Immobilon P membrane. This membrane is hydrophobic and requires a prewet to allow liquid to pass through the membrane. |
| What is the protein binding capacity of Immobilon-P? | The protein (BSA) binding capacity for the Immobilon P membrane is 131 micrograms per sq. cm. of membrane. |
| What is the thickness of the Immobilon PSQ? | Immobilon PSQ is 200 microns thick. |
| Can ethanol be substituted for methanol in the Western Blot procedure? | Yes, it is acceptable to replace the methanol with ethanol as long as you substitue it 1 for 1. So 20% methanol would be replaced with 20% ethanol. |
| What is the smallest size of a protein or peptide which binds to the Immobilon-PSQ? | For the PSQ we do not suggest that they go lower than 2 kDa for the protein size. To help promote the transfer of the smaller proteins the methanol concentration of the transfer buffer can be increased to 20% (w/v) and the SDS lowered to 0.01%. The strength of the electric field can also be reduce by 50% to increase the proteins contact time with the membrane. Standard stains can be used such as Coomasie Blue and Ponceau. Keep in mind that some of the stain such as Coomasie Blue are not reversible. |
| How many times can I strip and reprobe Immobilon-P? | While 2-3 times is probably the limit, it is difficult to give an absolute number in regards to stripping and reprobing. This is because there are many factors to consider when it comes to protein binding to PVDF and primary antibody affinity to these proteins. Different proteins will have varying degrees of affinity to PVDF. This is based on factors discussed in our Protein Blotting Handbook (see TP001; Protein Binding section). One round of stripping may remove one protein and leave another intact. The same could occur when using different primary antibodies. Different antibodies will have varying affinities to different proteins. If carrying out several rounds of stripping and reprobing, one strategy might be to detect the least abundant proteins earlier leaving the higher abundant proteins later for detection. |
| What is the difference between Immobilon–FL and Immobilon-P? | Both membranes are made from PVDF. The difference in background fluorescence is due to proprietary modifications in the membrane manufacturing process. |
| How does the protein binding capacity and protein retention of Immobilon-FL compare to Immobilon-P? | Immobilon-FL’s protein binding capacity and protein retention are comparable to Immobilon-P. |
| Is Immobilon-FL better than Nitrocellulose membrane for Fluorescence detection? | Yes. Background fluorescence of Immobilon-FL is typically 2-5X lower than that of nitrocellulose, thus improving signal-to-noise ratio (sensitivity). Nitrocellulose membranes have other disadvantages. If allowed to dry out, they become brittle, tend to fracture and are difficult to handle. They are not recommended for stripping and re-probing. Nitrocellulose blots need to be scanned as soon as possible after detection, as diffusion of signal on a wet membrane may also occur. |
| What fluorescence-based detection methods can be used with Immobilon-FL? | Immobilon-FL can be used in Western blotting applications using either fluorescent dye-conjugated antibodies or chemi-fluorescence substrates. Western blots can be imaged in the visible or IR range. Single color detection or multiplexing for co-localization studies can be performed efficiently on Immobilon-FL Fluorescent proteins, e.g. green fluorescent protein, (GFP) or proteins tagged with GFP, blotted onto the membrane can be readily detected as well. |
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