How to grow a difficult breast cancer cell line?

Here I am trying to optimizing the growth of breast cancer cell which is ++- requiring additional growth factors (20% FBS, insulin and EGF) for its growth. After adding the required growth factors...

07 August 2019 495 5 View

Any criteria to compare LC/MS/MS query with genome database?

Hi everyone, I am working on a medicinal plant protein belonging to the Brassica family and I have run LC/MS/MS of tryptic peptides digested in solution and trying to find out the results...

05 June 2018 744 1 View

How to interpret ESI spectrum?

Can anyone guide me how to interpret ESI spectrum of plant protein?

04 May 2018 1,857 0 View

LC/ESI/MS program for tryptic in solution digest?

Can anyone provide me the proper program for LC/ESI/MS for tryptic digest in solution. I have literature surveyed and found different suggestions. In some cases, 100 % acetonitrile 0-40 % for...

04 May 2018 8,522 2 View

Fixation of acidic dyes?

How to improve the fixation of acidic dyes on basic fabric? I have tried salts like sodium sulphate but of no use. The dye washes out during washing with cold and hot water. How to improve its...

01 February 2018 3,653 2 View

Tyrosine Standard Curve?

Someone please help me in plotting standard curve for Tyrosine. I made different concentration of tyrosine including 0.05-0.3 mg/ml by dissolving in HCl. Then using 200 microlitre of different...

11 December 2017 6,142 3 View

Relative activity of enzyme?

Please anyone tell me how to calculate the relative activity of amylase, protease and lipase from absorbance? Thank you

11 December 2017 1,539 17 View

To solve CD Spectra?

I got CD spectra of plant protein that is quite similar to that of myoglobin pattern in CD spectrometry. Is that correct spectra? Kindly help me? I am attaching the file below. Thank you

10 November 2017 9,030 2 View

Latest research in Material Science ?

Can any body suggest me a latest topic for research in material science? so that I utilize my time which will be worth full for me in future.

01 February 2017 6,193 0 View

Purification of low molecular weight proteins?

08 September 2016 2,048 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View

Is it possible to quantify recombinant protein in the supernatant using SDS PAGE ?

I would like to quantify a recombinant protein (with native signal sequence) secreted by Pichia pastoris using the SDS PAGE. Since my standard protein (plant origin) is not pure, I would like to...

07 February 2021 3,880 9 View

How to measure the concentration of a labeled protein with no tryptophan or tyrosines?

Hey I'm trying to measure the concentration of a protein I've purified and then labeled with Atto 647 flourescent dye. The protein has no tryptophans or tyrosines (although does have...

04 February 2021 4,482 4 View

How to prepare protein samples in EMSA assay?

Recently l was studying EMSA assay, but l didn't find any detailed information about protein sample. we can use two kinds of protein, including crude protein extracts and recombinant proteins. but...

02 February 2021 10,047 3 View

Difference between assessing EC50 in presence of physiological levels of human serum albumin and alpha1 acid glycoprotein vs. % human serum?

01 February 2021 1,825 1 View

Alpha synuclein lack structurw (i.e some of the helix part goes into turn ), any cause behind this?

I am trying to simulate alpha synuclein (1xq8.pdb) in GROMACS using GROMOS53a6 ff. I have run it for 200 ns. At the end of simulation alpha helix protein losses its helical structure. I am not...

31 January 2021 4,285 3 View

How to increase the lower detection limit of ELISA?

Hi all, I am trying to establish an ELISA method for the quantification of a recombinant protein injected into mice. In the meantime I am trying to make calibration curves with the purified...

27 January 2021 8,702 3 View