Hello
I have a solution and I want to know concentration of peptides
I want to know I can draw standard curve with Nisin and then read kn 220nm absorbance? Or another way to detect peptides concentration
Thank you
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,780 3 View
Please introduce me the latest published articles on the structure and properties of metal nanocomposites?
26 July 2024 2,199 3 View
Hello To perform meta-analysis, we need to know the mean and standard deviation in two intervention and control groups, but in the articles, Median and 95% confidence interval are reported (the...
28 April 2024 8,590 3 View
Hello I have a cell free supernatant of bacteria and I want loaded this substances into nanovesicle. I want to know that it is possible to use dilution factor instead of concentration for...
14 January 2024 4,216 0 View
Hello everyone, I'd like to inquire whether frozen tissues are suitable for use as samples in flow cytometry experiments? Your insights and experiences are highly appreciated.
28 December 2023 596 4 View
I need 3-component waveform for earthquake happened on January 28, 2023 in Khoy, Iran. I need some extra data for additional analysis but in AFAD website it doesn't accept my request as it shows...
08 December 2023 1,104 1 View
Hello I have a compound of small peptides(based on reference paper)and I can detect the peptide concentration. I don't know about details of it. I see the very good antimicrobial effect of it and...
20 October 2023 7,370 3 View
Dear Researchers I'm preparing a systematic review of case studies of a particular topic, and interestingly, although I thought there were many articles on this topic (the concept is very rich but...
19 August 2023 4,473 2 View
The question is what are the final goals of doing spectral analysis and what can we infer from that?
12 March 2023 9,486 6 View
Dear researchers Do you have any information about the improvement of salt-contaminated soil by artichokes Jeursalim (Helianthus tuberosus)?
13 February 2023 5,499 2 View
We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...
08 August 2024 4,840 0 View
Hi, we have measured tryptic peptides using both DDA and DIA method on QExactive. In DDA replicates i saw unusual intensity drops occurring at the same sections of chromatograms in DDA replicates...
07 August 2024 3,216 4 View
Hello, I am currently analyzing some phosphoproteomics data, but I have peptides with multiple phosphorylation sites or phosphorylations together with carbamidomethylation or oxidation. How can I...
04 August 2024 8,432 3 View
Is this circle one of the rings?
03 August 2024 5,986 0 View
Recently I'm trying to use Sep-pack C18 1 cc Vac Cartridge (Waters: SKU: WAT054955) to desalt digested peptides. However, the recovery rate is usually 40-60%. What is the normal recovery rate?
31 July 2024 6,541 11 View
I want to draw ph diagram using Engineering equation solver EES for refrigerant R134a and R1234fy and some other. I don't know how to draw the multiple ph diagram on same dome or overlapping to...
30 July 2024 646 7 View
So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...
18 July 2024 4,073 3 View
Please help me in plotting the photon-magnon coupling plot as shown below
14 July 2024 1,631 1 View
I heard that as the value of "num_iter(tag in wannier 90)" is higher, spread of Wannier function(=WF) is gradually lower in wannier 90. If so, is this procedure that minimize the spread of WF...
13 July 2024 4,608 0 View
Hello everyone! I am currently working on the expression and purification of an antimicrobial peptide that experiences reduced activity after each freeze-thaw cycle. To improve its stability, I...
10 July 2024 6,828 1 View