We are trying to transfect primary retinal cell cultures (chicken) with a pCAG (Addgene) plasmid but we have very low transfection efficiency (
Estos articulos deben tener estas caracteristicas resumir los siguientes aspectos metodológicos: tipo de enfoque de investigación (cuantitativo, cualitativo o mixto), objetivo, hipótesis, muestra...
15 May 2024 820 0 View
The question is pretty straightforward, I think. I was just searching for empirical research (econometric modelling, specifically) on segmented labor markets. I didn't found much, maybe because is...
21 April 2024 3,344 2 View
This question is written in relation to the article written by Neuwinger, Nick et al. entitled “Underfilling of vacuum blood collection tubes leads to increased lactate dehydrogenase activity in...
12 April 2024 371 0 View
This question is asked in relation to the article, "Red and white blood cell morphology characterization and hands-on time analysis by the digital cell imaging analyzer DI-60". The mentioned study...
11 April 2024 4,094 1 View
Dear all, I am trying to build a Brillouin microscope and I was wondering what the requirements are for the laser. Specially in terms of linewidth, stability and tunneability. Thanks beforehand.
01 February 2024 4,808 0 View
Dear all: I would like to perform a post hoc test with R for two independent variables, as well as their interaction. Have someone did it before? I would appreciate any advice. Thanks beforehand
29 January 2024 3,736 6 View
Hello, I greatly appreciate your help in my following statistic task. I need to reduce the number of financial ratios (FRs) - currently 20 - that best represent the firms' profitability in the...
07 January 2024 8,024 4 View
Is is possible that Cretaceous fish, notosuchians, lepidosaurs, or other vertebrates have a morphology that might be confused with "spoon-shaped" sauropod teeth? I have seen a fossil isolated...
08 December 2023 7,040 2 View
During my immunohistochemistry procedure, after applying the chromogen diaminobenzidine, I mistakenly added other reagents—PBS, Triton, avidin, and biotin—resulting in chromogen precipitation and...
30 November 2023 6,702 1 View
I'm looking to explore the relationship between coding schools in a community / region, and regional economic development in technology related fields. Are companies in a community or region who...
22 July 2023 8,436 3 View
I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...
09 August 2024 9,621 0 View
Hello everyone! I observed in my culture (htert-RPE1 cells) an orange- red particle at the bottom of the dish. It is visible to the naked eye as a very very small red dot. Could it be a...
09 August 2024 2,824 3 View
I'm cloning a fragment of 3200 nts into plasmid. The cloning was successful, however, 02 amino acids were mutated. Now I want to fix these 02 aa by site-directed mutagenesis technique using...
08 August 2024 4,645 2 View
I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...
07 August 2024 7,535 4 View
Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...
07 August 2024 8,106 4 View
Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...
06 August 2024 641 2 View
Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...
06 August 2024 1,989 3 View
I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...
04 August 2024 9,913 7 View
I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...
04 August 2024 1,200 2 View
Hi, I am isolating monocytes from the bone marrow using the Mouse Monocyte EasySep kit. I want to treat these cells and monitor expression of specific markers over the course of 10 days. I will...
04 August 2024 7,282 2 View