Hi! I used ImageJ to analyze the average green-to-red overlap area ratio of each cell within the fluorescent image. I would like to inquire whether this analysis method falls under the category of Manders coefficient?
I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...
01 August 2024 9,227 1 View
> library(meta) Error: package or namespace load failed for ‘meta’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]): there is no package called ‘numDeriv’
18 July 2024 3,536 0 View
I used MDCK cells for my plaque assay for influenza virus and seeded 950,000cells/well in 6-well two days before infection. The virus was diluted in FBS-free MEM with 0.5ug/ml TPCK-trypsin. Here...
11 July 2024 5,669 5 View
Hello, I was attempting to download some sequences data from NCBI. The format "gene features" could help me extract certain gene fractions using the names, but I found that it seems to be...
04 July 2024 9,875 1 View
I synthesise intermetallic compounds through nickel and aluminium powders. But the pure powder after synthesis is difficult to obtain. Especially the presence of aluminium oxide very seriously...
01 July 2024 4,030 3 View
For the measurement of electrode reaction kinetics and electron transfer rate constant, using E. Laviron's model and RICHARD S. Nicholson's model, the greater peak potential separation indicates...
30 June 2024 580 3 View
"Nuclear-mitochondrial DNA segments (NUMTs) are mitochondrial DNA (mtDNA) fragments that have been inserted into the nuclear genome." (Xue et al., 2023) I would like to know under this...
20 June 2024 603 1 View
Hello. We have a sample with an unknown concentration of polyphenols. We're diluting the sample in order to perform the Folin Ciocalteau method. 0.2 grams sample / 4 mL 70% methanol and 30%...
10 June 2024 2,134 3 View
Why does the UV absorption spectrum of red quantum dot film not exhibit a significant absorption peak? As shown in the following Figure.
27 May 2024 4,288 3 View
As the title states, I am looking for a housekeeping protein for serum (for Western blots). This research is in the context of pregnancy so it has to take into account normal vs diseased (e.g....
15 May 2024 9,219 0 View
I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...
11 August 2024 4,793 1 View
I am currently investigating the cytotoxicity of a series of herbal extracts, and like many studies, I have been using the MTT assay to evaluate cell viability. However, I am encountering a...
31 July 2024 193 4 View
Using SPSS, I made my edits in one bar chart — e.g., font type and size, hiding grid lines, and colours, namely: blue, orange, green, purple, and grey for 5 bars, respectively, etc. — and I saved...
29 July 2024 1,981 1 View
Genome-wide association study (GWAS) Continuous traits: eg. Height Discrete traits: eg. Eye color
28 July 2024 286 0 View
Hi, Now I am doing a single-base editing by using HiFi Cas 9, guideRNA, single stranded DNA, HDR Enhancer V2 and my tranfection mehtod is lipofection (RNAiMax). Unfortunately, after gene editing,...
26 July 2024 2,136 0 View
I used Aqua regia to clean Au nanoparticles in the used glassware. But for some reasons, it is not heating up upon mixing. The color did change from no color to light orange. The Au NPs on the...
25 July 2024 4,390 0 View
I have images of film formed on the bottom of a 50mL beaker, and I have been trying to figure out the surface area. I could easily use features on imageJ to do that, but I want to know which area...
23 July 2024 4,461 1 View
Dear All: I have to quantify the fluorescence intensity of cells that are fluorescent to two different markers, so i'm interested in finding out if this is possible. Previously I have...
22 July 2024 8,770 1 View
Despite not having cells in the media, I am getting purple color. I have tried many troubleshooting methods, varying media types, and even different MTTs from different companies to figure out the...
21 July 2024 9,914 1 View
Hello everyone, I am currently working on a project where I aim to analyze color preferences in data visualizations across participants from three different countries. The dependent variable in...
19 July 2024 4,178 2 View