Curious to know which metal oxides have color and which don't. For example, a few metal monoxides have a dark or black color (FeO, CuO). Cr2O3 has a greenish color. And so forth.
We are trying to extract DNA from ant nests to amplify the 16S gene, but apparently, the extraction allows the passage of PCR inhibitors. Thank you for your comments
15 July 2024 9,314 2 View
Hello I am encountering Fe and other stainless steel (SS) element contamination in my LiCoO2 RF sputtering depositions. I suspect the source is the "etching" of the magnetron stainless steel frame...
11 June 2024 2,196 3 View
I'm doing a project that involves modelling the water quality of a spring but the programs I've come across only deal with lakes and rivers. So any suggestions?
10 May 2024 2,897 3 View
Attached is the structure in question
09 April 2024 1,020 1 View
I am a psychologist in the United States (in Florida, specifically). I conduct a variety of evaluations. Occasionally, I receive referrals for IQ and academic achievement testing with school-aged...
26 February 2024 2,579 3 View
This should be a simple question. Given the real part of the refractive index n′ for Silver, approximately 0.05, and applying the relationship for the wavelength inside a material, λ=λ0/n',...
08 February 2024 3,247 1 View
How can I save the list of publications to an external location? Best regards Edgar Selzer
02 November 2023 1,957 5 View
I want to indentify fungus isolated from beans.
24 May 2023 7,240 2 View
I have exported my Endnote references into a .bib file. When trying to upload this .bib file to biblioshiny it appears the following error: "arguments imply differing number of rows: 0,65" Does...
24 April 2023 5,182 1 View
I would like to know if anyone knows how to make a forest plot in R where the ORs, the N and the percentage of the control and experimental group are included ... and if possible that this is...
04 August 2021 7,647 4 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
Excavation in 2007 in Northern Scotland along the East Coast revealed a domestic site containing the unbroken half (other half is missing) of a perforated circular disc measuring L 37mm x W...
27 July 2024 6,019 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
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
Sulfuric acid has changed color to yellow.
16 July 2024 6,964 0 View