How much final concentration of DSS should be used as internal standard for protein NMR?

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What kind of Enzyme Inhibition is it?

I am working on beta glucuronidase and found a completely new class of potent inhibitors as revealed from their IC 50 values. however, I am having difficulty in establishing kinetics for these...

05 June 2017 2,197 9 View

How can I prevent protein dimerization?

I have cloned, expressed, and purified an hypothetical protein (13 KDa) from S. aureus using pET 25b expression vector. Protein contains 1 cysteine residue which may accounts for dimerization. To...

04 May 2014 9,310 5 View

Does anyone have experience with Bio Basic blood DNA extraction kit (BS684)?

I just want to know if it works fine and produces good yield. Is it feasible to extract Plasmodium DNA from infected whole blood samples?

31 December 2013 3,370 0 View

Ideas for experimental design for functional studies?

I am working on Methicillin resistant Staphylococcus aureus MRSA proteins and would like to know about designing functional studies for hypothetical proteins. Kindly suggest me the softwares and...

31 December 2013 5,002 6 View

Could anyone suggest a protocol for an isolation of gene via PCR?

I have cloned my gene of interest in pSpeedET using NgoMIV and Xba1 restriction enzyme. Gene was isolated via PCR using gene specific primers with restriction site over hangs at 5' ends. After...

08 September 2013 9,095 5 View

Problem in colony PCR

I am facing problems of non specific amplification in my colony PCR experiments. My specific product is present but its band is not as intense compared to the non specific mesh that appears below...

05 June 2013 8,087 14 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View