What is the difference between AC conductivity and DC conductivity? Is AC conductivity = ionic and DC conductivity = electronic?

I am reading papers on batteries and although mostly people have reported ionic conductivity in Scm-1 but some have reported DC conductivity as well I and am confused as to what that is. Any help...

21 February 2021 9,207 6 View

What really is "Prechordal Plate"?

There is too much discrepency among the textbooks of vertebrate embryology. There are two interpretations of the term "Prechordal plate" in different books: It is the cranial most part of the...

24 November 2020 8,537 1 View

How to find the % crystallinity from PXRD peaks?

Hi, I want to know how to find the %crystallinity from PXRD peaks. I have a highly amorphous compound where I get a broad peak. For your reference my PXRD looks same as in the following picture.

26 September 2020 6,191 5 View

Simulation of compression testing of a spring?

Hi. I am doing simulation of compression testing of a spring.My experimental and simulation results are same in the linear region. I have tried the simulation with all types of contact behavior...

10 September 2020 1,746 3 View

Streaming & Incremental learning support in Deep Learning frameworks?

As we know that the Deep Learning frameworks, consumed in most business operations, are growing rapidly. I have surveyed that Python, Java and C++ are the most widely used languages for Deep...

29 June 2020 1,144 3 View

Regarding Convalescent Plasma Therapy for COVID-19?

I had a few questions regarding Convalescent Plasma Therapy Why can't we use whole blood rather than convalescent plasma only? or Plasma + WBC (Adoptive cell transfer). This way we will transfer...

10 June 2020 2,361 9 View

If hepatitis B core antigen (HbCAg) is not released into the blood, how Anti-HbCAb Antibody is produced?

Almost all the microbiology textbooks and relevant research articles mention that Hepatitis B core antigen is not released into the blood of the host. It rather interacts with other core antigen...

14 April 2020 5,420 6 View

What is the difference between Qualitative PCR and quantitative PCR (Real-Time PCR) in reference to diagnosis of viral infections?

I know both can detect presence of virus but what is the exact difference between qPCR and qualitative PCR ? How and when is one preffered over the other?

15 March 2020 9,814 4 View

Why traditional (protein/antigen based) vaccines don't trigger a cell mediated immune response ?

Companies like Moderna are working on mRNA based vaccine as they can trigger both cell mediated as well humoral arm of immunity. But why traditional protein based vaccines can't trigger sufficient...

29 February 2020 9,023 3 View

I have soil sample, Plants roots and shoots samples. I like to do ICP-MS for elemental analysis?

I want to know which one will be performed through acid digested and then extraction. or only after gringing extraction can done only.

22 January 2020 3,949 4 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How vaccines of covid 19 work?

Millions ask how vaccines of covid 19 be successful and safe, its here to explain generally how vaccine of pfizer work ,mRNA vaccines teach our cells how to make a protein that will trigger an...

28 February 2021 2,723 4 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

Best plasmid could be used as a standard curve for AAV titration?

I have been trying to have a good AAV titration for my production and I have tried different plasmids to set up as a standard curve but each one behaves differently. i am trying to use ITR for...

23 February 2021 5,167 3 View

How to control the variants vof covid 19 in second and third waves?

A the world find means to control covid 19 by vaccination ,new variants came to spread and make the world in fear and danger, to understand the conduct of these variants, es constantly change...

21 February 2021 3,080 6 View

Surprisingly low antibody titers against SASRS-COV-2 RBD in hamsters compared to mice?

21 February 2021 6,958 2 View