How much of lysine and glycine are produced naturally by a bacteria?

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Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

Please. Could you help be in implementing Fractal Discrete Cosine Transform algorithm in Matlab?

I do need the Matlab code of Fractal Discrete Cosine Transform (FDCT). Can anyone who has already implement this code, help me with the implementation of this transform?

24 February 2021 5,602 2 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

Langevin Dynamics in shear flow?

Hi, We are trying to simulate particles with Langevin dynamics in a shear flow by Lees-Edwards boundary conditions in MD simulations. It seems thermal forces and shear flow do not go hand in...

23 February 2021 1,761 1 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Which is the best software or programming language (user friendly) for analysing data?

I have a basic knowledge on Python, R and MATLAB in analysing data. Among those, which is the best and user friendly? Which one should I learn deeply to analyse data?N:B: I want to learn data...

20 February 2021 3,950 15 View

Hi..how to isolate crude HDL (all subfractions) from human serum by size exclusion chromatography?

I would like to know about isolation of crude HDL from serum by SEC. Is it possible to perform with a serum sample volume of

19 February 2021 5,576 2 View

What is the reason film thickness increased?

what is the reason film thickness increased when increased doping concentrations give some reasons The measured film thickness is 156, 282, 394, 548 and 681 nm for 0, 1.5, 2.5, 3.5, and 4.5 wt....

17 February 2021 8,987 5 View

Which syringe filters (e.g., PTFE, MCE, PVDF, CA, PES, etc.) are the best to filter TBS/PBS buffer (pH 7.5-8.5) and glycine buffer (pH 2-3) solutions?

I intend to purify antibodies from serum using the affinity procedure, and I need to filter the binding (TBS/PBS) and elution (Glycine) buffers before applying them to my solution.

06 January 2021 5,769 3 View

Can I modify beginning of pelB/ompA tag as described?

Hello all, I am currently trying to modify my plasmids so that it has a sequence coding the pelB or ompA tag in front of the proteins. The problem is that in order to paste such a sequence into...

25 November 2020 8,386 3 View

Poly ICLC or Poly IC structure for docking ?

I want to do docking of Poly ICLC with protein. But, unfortunately there is no crystal structure for Poly ICLC or poly IC. Poly ICLC is a complex of Poly IC, poly lysine, and...

24 September 2020 6,107 1 View

Two peaks in an antibody purification through AKTA purifier?

When purifying monoclonal antibodies from hybridome cultures (protein G affinity chromatography) we got two different peaks, which we collected separately. When analysed by SDS-PAGE they both...

06 September 2020 3,662 5 View

Ultra high derivative weight % loss for glycine-nitrate solution combustion?

Hi all, i am doing an experiment on solution combustion for glycine-nitrate. I have tested my sample solution with TGA/DTG. However, my DTG graph is showing an ultra high derivative weight %...

11 August 2020 9,573 3 View

Why this HPLC data show negative peak?

Lysine was dissolved in mobile phase and injected in HPLC but there are two peaks. One for positive at 2.1 min and another for negative at 2.8 min? Contents of moilbe phase are ACN:Water:TFA =...

08 July 2020 2,695 13 View

Is there literature on pre-steady state "lag" for oxidase enzymes?

Greetings, I'm looking for literature related to a topic I want to write a manuscript on. I'm working with an glycine oxidase enzyme and noticed when I monitor the rate via spectrophotometry and a...

31 March 2020 3,917 2 View

What is the best way to approach building a custom polypeptide?

I am trying to build a custom poly peptide that is ~50 amino acids in length, and it will ideally have a charge of ~+4 at pH 7. I can get the positively charged attributes from incorporating a...

08 December 2019 3,597 1 View

Large DNA fragments after ChIP, is it possible to sonicate again before library preparation?

Hi everyone, I am performing ChIP-seq on a transcription co-factor, for that I had to first crosslink protein-protein with EGS (1.5 mM) for 25 min and then I added 1% formaldehyde for 10 min,...

10 November 2019 7,537 2 View

Can someone recommend a DNA sequence for a glycine/serine linker for optimal fusion protein expression in HEK293t cells?

I would like to use a glycine- serine linker to link a FLAG-tag to the N-terminus of a recombinant protein. I'm not sure which codons for glycine are optimum for expression in HEK-293t cells. Any...

10 November 2019 2,605 2 View