What is an acceptable FDR% for proteomics data publication?

Is there an established convention on this? I have heard from experts that 1% FDR is recommended. I was wondering can we report protein IDs at 5% FDR. Is there any published guidelines on this? If...

25 August 2020 1,231 4 View

Does anyone have a good protocol for dissecting the second order mouse pulmonary artery?

Does anyone have a good protocol for dissecting the second order branch of the pulmonary artery from mouse. I am interested in performing some pressure myography studies.

18 December 2019 9,030 1 View

Does anyone have any recommendation for a good kit for total RNA isolation from small sample size?

I am looking for a kit that can yield good quality RNA from small sample size (around 10 000 - 15 000 cells). I have tried with Trizol, but so far have been unsuccessful in getting good enough RNA...

22 May 2019 1,998 7 View

For the needle to go lower in a Shimadzu HPLC should I increase or decrease the needle stroke?

My sample volume is 50 uL and I am injecting 45 uL. I am using 250 uL insert. But it looks like the injection is not reproducible. The default needle stroke was 52 mm and I made it 51 mm...

04 October 2017 8,933 1 View

How to adjust the needle of HPLC so that it can reach the well of a 96 well plate kept in the autosampler?

LC-MS system comprised of QTrap3200 and a Shamidzu HPLC (Autosampler model is SIL-20A). The needle is not going into the well instead going in between two wells and not picking up the sample....

23 February 2017 1,423 4 View

Basic pH and HPLC

Does anyone have a good reference or can share their expert view on effect of pH on HPLC instruments? I know there are lot of resources available online on effect of pH of the mobile phase on...

01 January 1970 10,008 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View