I am using Bratton and Marshall reagent to quantify folic acid, the purple color disappears few seconds just after it is formed, although reagents are freshly prepared, test tubes used are dry and not hot, any tips how to avoid this?
When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...
03 March 2021 4,892 5 View
Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...
03 March 2021 6,193 1 View
We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...
01 March 2021 1,899 2 View
Hello everyone. I have conducted the research on post harvest longevity of tomato crop using plastic packaging and different doses of chemicals as two different factors. The design of experiment I...
28 February 2021 8,189 3 View
The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....
27 February 2021 4,450 2 View
24 February 2021 5,378 1 View
In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...
21 February 2021 1,864 2 View
Dear colleagues We are exploring possible data collection methods for environment and behavior research in the context of architectural environments. Have you conducted any Post Occupancy...
16 February 2021 2,575 4 View
To maintain the proper crop plan most of the times there is not enough time to make the field ready for the next crop. In this particular context , can bio-decompser be a solution? What about...
16 February 2021 7,068 24 View
Hi! Thank you for your time, attention, and support. I am currently using FEM solver Abaqus to perform a set of balloon inflation simulations, trying to understand the deformation shape, stress,...
14 February 2021 2,524 4 View
Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...
03 March 2021 8,796 3 View
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
In current time of many changes in business and world of work, a lot is said and reported about the importance, skills and benefits of leadership. Are soft skills becoming more and more important?...
02 March 2021 8,149 3 View
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
Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...
25 February 2021 3,443 4 View
Good morning, I could not find literature about this so I am asking. I am organizing data for a questionnaire (N=100) that foresees some personal questions like level of education. For the aim...
25 February 2021 2,090 4 View
I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.
24 February 2021 1,633 4 View
How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...
24 February 2021 166 6 View
My baseline increases without any explanation, it is only fixed by changing the solution B, will it be the column? Reagents? Bomb? Detector? Solution A: H3PO4 0.01% IN WATER Solution B: H3PO4...
21 February 2021 5,656 3 View
Hello Everyone, I have one population, sample size 200. and needed to find the correlation between Variable A and B. Also, which T-test should I choose for hypothesis testing Please advise...
21 February 2021 7,591 4 View