Is that possible to do an impedance measurement without FRA module?

One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...

21 February 2021 418 2 View

Is it possible to get genomic context data on bulk of accessions?

I'm trying to build local gene synteny to identify homologs between different species. To do that, I've been accessing each individual gene of interest, going into gene view in NCBI and...

04 November 2020 9,038 2 View

Is it possible to re-use a MK801 20uM solution when used as a bath for fish?

We are exposing zebrafish to an MK801 solution and we are thinking if it is possible to re-use the solution (between 3 and 5 times in a row) in order to decrease the amount of waste produced,...

11 October 2020 7,391 1 View

CRISPR-Cas9: Are there any alternatives to the use of fluorescent PCR and capillary electrophoresis?

We are trying to find alternatives to the use of fluorescent tagged primers and capillary electrophoresis to access somatic activity of the target gene. Thank you!

25 September 2020 4,761 3 View

How can I do a soil characterization using TGA analysis?

11 August 2020 1,863 3 View

Transmembrane Protein 3-D Coordinate File Preparation Question?

Hello I hope you are all doing well.:) Several transmembrane Pannexin1 3-D coordinate files have been submitted to the PDB, however, I believe all are missing coordinates in some of the Pannexin1...

11 August 2020 4,875 3 View

How can I be sure that my bone marrow cells are differentiated into bone marrow derived macrophages (day 7) at a gene expression level?

Hi everyone, I'm trying to establish a standard protocol to cultivate BMDMs. I'm culturing BM cells for 7 days in 100mm petri dishes, addition of M-CSF(20ng/mL) on day 0 and day 3. I would like...

09 July 2020 1,742 3 View

What are the best metrics for evaluating the quality of non-spherical clusters?

Hi. I'm dealing with clustering of data were the resulting clusters are, in general, non-spherical. Some of them are not convex. What are the best internal metrics for evaluating these kind of...

27 March 2020 5,076 2 View

Protocol: Single-Locus and Multilocus DNA Fingerpriting, Bruford et al. 1992?

Hi everyone! I know this probably isn't the right place for this, but I have exhausted all other options to access this paper. Does anyone has a pdf copy of the chapter "Single-Locus and...

25 March 2020 2,540 5 View

How can I separate hematite from bornite in a powder?

17 March 2020 570 3 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

Unknown debris sheets observed in cell culture flasks?

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