How to avoid polypyrrole deposit on counter electrode?

Hi all, Currently, I electrodeposited polypyrrole on carbon electrode but I got some problem when polypyrrole also deposited on the surface of the counter electrode. The concentration of pyrrole...

05 February 2021 2,103 3 View

How to Extract DNA from dried rhizomes, wood, galls etc. stored for a long time?

Dear Respectable Scientists, I have been trying to extract DNA from above mentioned sources using different CTAB/SDS Buffer Compositions and purifying agents but I am not able to extract DNA from...

12 January 2021 5,899 8 View

How to carry out Fisher's Exact Test in SPSS for multiple Response Dataset?

I have a dataset including Categorical variables and involves multiple response variable. 20% of the cells in cross tab has less than 5 frequencies and hence I cannot carry out a Chi-square Test....

26 December 2020 4,180 3 View

**CLOSED** Behavioral changes due to Covid-19?

Hello fellow researchers around the globe :) Happy Holidays!! We are conducting a survey on understanding how device usage during everyday life has developed amid the Covid-19...

21 December 2020 5,363 4 View

Does the Chinese navigation satellite system (Beidou) become global or still regional?

I know that this system was regional before, thus covering specific areas not alla the global

09 December 2020 3,343 3 View

Do the exams for students in electronic education have the same credibility in terms of measuring and evaluating learning as traditional education?

Educators around the world face a new challenge of how to conduct exams to assess what students have learned after the shift towards e-learning following the closure of nearly all universities...

21 September 2020 4,180 15 View

What Features Should an Online Exam System Include?

ith the development of Internet technology, online examination has become more Polar because it helps people save a great deal of energy and time. As an effective and efficient method of teaching...

21 September 2020 2,814 12 View

How can heat transfer coefficient on shell side of Shell and tube heat exchange can be calculated using Ansys Fluent?

I have to calculate heat transfer co-efficient on shell side and plot its variation along the length of heat exchanger

07 September 2020 9,078 6 View

How to get rid of negative Pressure? and my pressure readings are not accurate what can be the cause?

I am simulating shell and tube heat ex-changer i have mass flow inlet and pressure oulet (zero gauge) but my pressure readings are not accurate i have tried velocity inlet but results are same....

07 September 2020 7,298 11 View

AST result in spss ?

hello dear microbiologist Am kinda new and still learning SPSS I want to know what kind of tests should I run for AST results I see lots of paper use chi square. And can anyone provide me with...

10 August 2020 9,911 4 View

Which of the Covid-19 Vaccines would elicit the best immunoprotection and why?

I want to know which of the available Covid-19 Vaccines would elicit the best immunological response and why

02 March 2021 1,388 3 View

No title

02 March 2021 3,060 3 View

Is there any rich, publicly available English literary corpus?

Hi everyone. I am looking for a rich corpus in English literature, a one which includes literary prose ( e.g., novels or short stories) . can anyone propose a good one? Best regards Fatemeh

01 March 2021 1,970 2 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View