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Sehr geehrte Damen und Herren, |
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ANSWER: |
Vielen Dank für Ihre Anfrage - in der Sprache, die Ihnen am liebsten ist: deutsch oder englisch; wir haben auch französische, spanische oder italienische Kollegen hier. |
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Would like to test these antibodies in ChIP. |
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DISCOUNT CODES: *** Expiration date: April 16, 2012 These codes will each give you 1 free primary antibody before the expiration date. To redeem this offer, please submit an Abreview for each antibody in ChIP and include the corresponding code in the “Additional Comments” section so we know the Abreview is for this promotion. For more information on how to submit an Abreview, please visit the site: www.abcam.com/Abreviews. Each code will be active once the Abreview has been submitted and can be redeemed in one of the following ways: 1) Call to place your order and mention the code to our customer service department; 2) Include the code in your fax order; 3) Place your order on the web and enter the promotional code. Please note that only one code can be redeemed per order. Any feedback that you can provide will be greatly appreciated, whether positive or negative. If you have any further questions, please do not hesitate to contact us. We look forward to receiving your Abreview and wish you luck with your research. The terms and conditions applicable to this offer can be found here: www.abcam.com/collaborationdiscount. |
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Hi, Thanks. We have done experiments per your suggestions, but the results are not improved. Please see below: GAPDH SAII4 I am wondering if we can get the sales credit on this one. |
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ANSWER: |
I am sorry that the protocol tips did not prove to be successful. I have refunded the cost of ab29112. Your credit not number is ******. If there is anything else I can help you with, please let me know. |
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Dear Customer Service, I have successfully used the rabbit anti-Sall4 antibody for immunofluorescence and western blotting. I would be really interested in using this reagent for IP, and I would like to inquire if you have any experience using this antibody for this application? |
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ANSWER: |
Thank you for your inquiry. We are pleased to learn that you are happy with using the Sall4-antibody ab29112 in immunofluorescence (IF) and Western blot (WB). To our knowledge this antibody has not yet been tested in immunoprecipitation (IP). All tested applications are specified on our datasheets, which are updated as soon as any new information is brought to our attention. We do not see a reason why this antibody should not work in IP and would recommend testing it. We also would like to encourage you to submit an Abreview via the online product datasheet. We always appreciate customer feedback, whether positive or negative, and we make all product information available to researchers. We reward each Abreview with Abpoints that can be used for discounts on future purchases. With Abreviews for each application (IF, WB and IP) you could earn up to 660 Abpoints which would be worth almost 150 USD on your next order. To find out more about our Abreview system, please see the following link: http://www.abcam.com/abreviews I hope this information is helpful to you. Please do not hesitate to contact me if you need any further advice or information in this regard. |
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Hi, please provide us with tech support on ab29112. Details as below: Cat.# ab29112 Anti-Sall4 antibody Order #: *-***** Procedure Prepare 12%separating gel and 5% stacking gel. Dilute samples at least 1:4 with sample buffer, heat at 95 C for 4 minutes prior to loading. Applicate sample (200-300μg). Stop the Electrophoresis until bromphenol blue arrives at the bottom of the separating gel. In this process, 90V in the first 20 minutes, then 120V to the end. As the routine protocol for electrotransfer, 200mA for 2 hours. Block the NC membrane with 5% defatted milk powder in TBS/T for 1 hour, RT. Pour off blocking buffer. Add first antibody at 1:700 dilution in TBS/T to incubate the NC membrane overnight at 4 C. After washing the membrane using TBS/T in three times, incubate the second antibody at appropriate dilution in TBS/T at 37c for 1 hour. After washing the membrane using TBS/T for three times,we observed the straps in the gel imaging system. We have repeated the experiments many times. The straps of GAPDH were very bright, while the straps for SALL4 could not be detected. In addition, the second antibody is OK in other experiments. |
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ANSWER: |
Thank you for contacting Abcam. I am sorry that you are having problems with ab29112. Based on the information you have provided and the information that is on our website for ab29112, I have two suggestions which may help: 1 - Use 3% BSA as a blocking and incubation agent, as we have evidence that his antibody will work well in a BSA block. 2 - Increase the primary antibody concentration from 1/700 to 1/500 and again incubate overnight at 4C. Please let me know if the above protocol tips do not prove to be successful and I will be happy to help further. |
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Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"
ICC/IF image of ab29112 stained mouse embryonic stem cells. The cells were 4% PFA fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab29112, 1µg/ml) overnight at +4ºC. The secondary antibody (green) was Alexa Fluor® 488 goat anti-rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue).
Anti-Sall4 antibody (ab29112) at 1 µg + E14tG2a (Mouse embryonic stem cell line) Whole Cell Lysate at 20 µg
Secondary
IR Dye 680 Conjugated Goat Anti-Rabbit IgG (H+L) at 1/15000 dilution
Performed under reducing conditions.
Predicted band size : 66, 113 kDa
Observed band size : 85,140 kDa (why is the actual band size different from the predicted?)
This antibody detects two bands which we believe correspond to the two isoforms of Sall4 outlined in Ma et al, 2006 (PMID: 16763212). This paper describes human isoforms running at 165 kDa and 95 kDa. In mouse embryonic stem cells we see both isoforms running at slightly lower molecular weights. We believe that these bands represent Sall4a (Swissprot: Q8BX22) and Sall4b (Swissprot: Q6S7E9) which are predicted to be 113 kDa and 66 kDa respectively.
Anti-Sall4 antibody (ab29112) at 1 µg/ml + MEF1 (Mouse embryonic fibroblast cell line) Whole Cell Lysate at 10 µg
Secondary
IRDye 680 Conjugated Goat Anti-Rabbit IgG (H+L) at 1/10000 dilution
Performed under reducing conditions.
Predicted band size : 66, 113 kDa
Observed band size : 66 kDa (why is the actual band size different from the predicted?)
Additional bands at : 125 kDa (possible isoform).
IHC image of Sall4 staining in human testis formalin fixed paraffin embedded tissue section, performed on a Leica BondTM system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab29112, 5µg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
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