Why
How can I use proc nlmixed for two-level joint model for data that is not longitudinal?
11 May 2024 4,239 0 View
Hi everyone, I hope you are doing well. I'm a Ph.D. student and a university teacher from Tunisia. I am preparing a presentation for my students, and I would appreciate your assistance with...
24 March 2024 9,190 3 View
24 March 2024 6,527 3 View
Hi all, I am performing an EMSA assay for RNA-Protein binding and I am using SYBR Safe dye. I have 0.75% agaros gel that contain 1X THE buffer and 100mM NaOAC. As you can see, I have lots of...
12 February 2024 4,436 4 View
What are the merits of using Methyl Orange rather than other Dyes in photocatalytic degradation?
11 February 2024 5,486 3 View
I need to know how can we use CST to design different kinds of waveguides like rectangular uniconductor, coaxial & ... in THz frequency? like f=1THz
17 January 2024 5,942 2 View
I want to compare cognitive impairments between schizophrenia and bipolar disorders. considering limited normalized cognitive assessments in my country Is Montreal cognitive examination fine with...
04 December 2023 8,754 2 View
stress,sport, swimming
22 November 2023 6,165 2 View
Dear / dear investigator Greetings, and then,,,, The researcher is conducting a scientific study to find out the impact of promotional innovation on the behavior of tourists. You were selected...
10 November 2023 9,002 0 View
To design a low-noise amplifier in millimeter wave, I need a transistor library in ADS software.
30 October 2023 5,386 0 View
Hello everyone, A collaborator sent us his protocol in order to be able to use his immunohistochemistry kits. But one step contains PBS + 0.3% H2O2 + 0.1% sodium azide. Knowing the dangerousness...
23 July 2024 6,314 3 View
I need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...
15 July 2024 5,898 0 View
During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...
08 July 2024 1,330 0 View
I did some column tests in my lab where I needed to detect the DOC fractions using LC-OCD. For the abiotic columns I used sodium azide to restrict the biofilm formation. I did LC-OCD to detect the...
07 July 2024 468 0 View
Hello All, I've been facing difficulty in executing geometry optimization of a sodium polyanionic phosphate (Na4Fe3P4O15) crystal in CASTEP (please find the input and output files attached). When...
07 July 2024 8,626 2 View
Can this pH of 8 be due to the presence of other substances? Or do I have an error somewhere in the analysis? Thank you!
26 June 2024 9,093 4 View
I have been trying to grow Nicotiana benthamiana via tissue culture. I used ethanol and sodium hypochlorite with different concentrations and time duration for seeds sterilization and lastly...
18 June 2024 1,756 3 View
I want to replicate the third step, but there seems to be no reaction in an alkaline environment. However, sodium hydroxide is used in the literature. Should I switch to an acidic environment
05 June 2024 9,358 1 View
I'd like a powdered form of MCDB 131 Medium with sodium bicarbonate added, and I've noticed that not only is the powder form of this medium difficult to find with NaHCO3 already included, but the...
28 May 2024 1,631 2 View
Hello. I am here looking for help with the NO radical scavenging assay. I was working on setting up the assay with sodium nitroprusside and the Griess reagent as they do in most works. However, I...
27 May 2024 5,013 1 View
