What should be sample size of traning dataset for applying data mining techniques?

21 December 2020 8,119 3 View

Can I combine data from two separate fluorometeic experiments?

I performed a fluorometric experiment with two different cell lines. I had four conditions per experiment, and four "sub-conditions" per condition, wherein I add three different chemicals (the...

08 November 2020 5,113 3 View

Is it possible to calculate Absorption co-efficient or Absorbance of a dye theoretically?

I am working on a Luminescent Solar Concentrators (LSC) using dyes such as Coumarin 1, Coumarin 153, and Perylene Green Ph-probe 720-5.5. I need to calculate the Mean-free-path (MFP) for the...

18 August 2020 9,804 3 View

Is ACE inhibition linked to COVID-19?

There is increasing chatter that proteins in the ACE2 receptor binding domain are related to COVID-19 entering humans cells and subsequently infecting the host. Is there any evidence of ACE...

19 March 2020 6,635 8 View

In Phospharic Acid plant , Calendria is being used is generally of Graphite tube- shell & tube heat exchanger. Anyone using experience SS316 tubes?

Presently Majority of PA plants are using Graphite tubes in their system oh concentration for heat-exchange. Reliability is little less. We want to know that is ANY PA producing plants is having...

13 March 2020 4,877 3 View

How to model blind bolts in ABAQUS?

I am trying to simulate a beam-column connection using blind bolts. but I am not getting an idea to model blind bolts in Abaqus. please give me some idea of modelling. thanks in advance

05 February 2020 8,916 3 View

What are the possible ways to increase the internodal distance of in vitro cultures?

I am working on Papaya micropropagation where I am getting plenty of shoots but they are not increasing in height. I have tried diffuse light, GA3 but did not see improvement. Please suggest a...

03 June 2019 812 23 View

Reduction in fasting Insulin levels and associated CVD/T2D risk?

Does anyone have papers relating fasting insulin levels and associated CVD risks?

03 November 2018 4,281 3 View

What is the relationship between Stroke Volume and Diastolic BP?

Does stroke volume and diastolic BP have a positive linear correlation? Given greater pre-load and thus end-diastolic volume is it expected that diastolic BP would be reduced?

14 December 2017 9,316 4 View

Is RM-ANOVA robust enough with a non-normal dataset?

Does anyone have papers saying that repeated-measures ANOVA has sufficient robustness when analysing a non-normal dataset?

30 November 2017 7,862 1 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

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 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

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View