Also, what is the salinity of the water in skin-cancer tissue?
Eleven months ago I girdled 17 trees and measured the moisture content, at the place where they had been girdled, with a wood moisture meter. Typically, the moisture meter showed a reading of...
26 December 2020 7,761 2 View
I have a dataset with one nominal independent variable with 10 different levels and one dichotomous dependent variable. What would be the appropriate statistical test to compare the different...
09 December 2020 8,834 29 View
Hi! I am using SPSS chart builder to do grouped scatter plots. In the first scatter, I have two groups on the x-axis. I want to add a line of median to each group for better comparison. How can I...
17 November 2020 8,693 3 View
I am analyzing nucleotides from TCA-precipitated cell extracts by HPLC coupled to UV detection (270 nm) and there is an interfering peak coming from the TCA itself. I have tried some sources of...
07 June 2020 387 4 View
Hi. My question is about 2-way ANOVA (and Freidmans test). I've no problem with the test per se but rather with the dataset in relation to the test(s). My problem is that I've 16 different...
06 April 2020 6,920 4 View
Weight drops generates vibrations in the floor they hit. Impulse mdv must be conserved, even if the floor or mass is cushioned with mats. Cushioning leads to less high frequency content in the...
17 February 2020 9,807 3 View
I have previously made a lot of nucleotide analyses with tetrabutylammonium as ion pairing agent but decided out of curiosity to try primary amines instead and then made a strange observation. One...
03 October 2019 6,864 13 View
We have made a mobile app for registration of tree- and forest lines in Norway. We would like to compare our results with similar projects. You can see the results here:...
03 September 2019 1,972 3 View
I analyze nucleotides with tetrabutylammonium ions as ion-pairing agent on a C18 column and I have made an observation that the resolution of the peaks often decreases when I use buffers that I...
27 August 2019 2,030 1 View
I usually do not get as high plate numbers as claimed by the manufacturers and been thinking about how I can know if the fittings (nuts + ferrules) are perfectly seated or not. I have used ACE and...
16 July 2019 5,867 15 View
Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?
03 March 2021 1,763 2 View
i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity
03 March 2021 8,890 1 View
Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!
28 February 2021 3,951 2 View
I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...
27 February 2021 356 6 View
Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...
27 February 2021 5,028 2 View
Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...
25 February 2021 155 2 View
I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...
24 February 2021 1,534 2 View
I have an old slide microarray scanner (VIDAR Revolution 4200) and would like to give it a "second life", as IHC scanner array (fluorescence dyes), FISH over tissue or similar. Has anyone tried...
24 February 2021 9,210 1 View
I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...
24 February 2021 3,623 3 View
I am trying to conduct a three-way robust ANOVA in R using the WRS2 package as: t3way(Stem ~ Species*Temperature*Salinity, data = tutto) and there is an error saying : Error in if...
22 February 2021 1,674 8 View