Calculate pH after addition of base?

04 February 2021 2,232 4 View

Western blot with very acidic proteins, any suggestions?

I am trying to do a Western Blot to detect acidic proteins (~30kDa) that have a PI of ~3.5, due to the presence of Asp and Glu repeats. The proteins are about 80% pure. After I ran them on...

24 January 2021 7,226 3 View

How does one create IFORM contours?

Hello: Can anyone assist with plotting IFORM contours. I have been trying to plot contours using Hs and Tp as variables. The marginal distribution is a GPD-Kernel density and the conditional...

12 December 2020 4,355 3 View

How can I transfer heat between groups in Gromacs?

Is it possible to transfer heat from one group to another using simulated aneeling technique in the Gromacs software? I would like to transfer heat from a gold nanoparticle (group 1 from 310 to...

20 November 2020 9,062 3 View

Would ER NiCrMo-3 be the best option for weld overlay of carbon and low alloy steels?

Alloy 625 is the most popular alloy for weld overlay. Without considering the price factor, would NiCrMo-3 be the best technical option for weld overlay of API 5L and low alloy steels, in general,...

24 August 2020 2,478 4 View

Dose-response on non-Michaelian response enzymes, how?

Hello For typical dose-response assays, our lab usually uses steady state intervals for defining the difference between control and tested compound. For those assays, we typically use the angular...

23 July 2020 8,662 2 View

What is the best way to graph an SVM classification in R or Python?

I'm trying to find a way to graph a classification made by the support vector machine algorithm. Something like a PCA or LDA chart would be excellent. Any help will be welcome.

26 April 2020 4,588 1 View

Gene therapy with transgenics viruses Covid-19?

Viral load and symptomatic picture Is there any relationship between the viral load of exposure and contamination, in number of viruses and contamination processes, and the symptomatic picture in...

08 April 2020 6,349 2 View

Is it allowed to publish part of a journal paper(under review) as a conference paper?

Is it allowed to publish part of a journal paper under review as a conference paper? I have submitted a full research paper to a journal. I'm waiting for the review answer and I want to submit...

01 April 2020 430 6 View

Do KG-1a human macrophages need to be activated in some way?

Hello everyone. I was wondering if you can help me clarify this question. I am seeking to perform infection assays with bacteria, using this human cell line. Research articles regarding infection...

24 March 2020 9,884 3 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 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

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Reagents for histology slides?

Dear all, I am planning to study histology and want to do that at home. I have only stained a blood smear with Giemsa but now want to try a wider range of animal tissues. What reagents will I...

24 February 2021 5,430 3 View