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

Pls inform me if the problem here is in the used red safe. im using the red safe of vivantis co, Malysia. using 5 microliter per 100 ml of agarose?

Why the ladder is always with so closle or attached bands after the 500 bp band whatever i use a type of ladder ( 5types) and also the PCR product is bended. is this has a relation with the used...

05 January 2021 5,211 5 View

Is it important/advisable to write a summary for each theme (and subthemes) in Thematic Analysis?

I am conducting semi-structured interviews with graduate students to explore their academic writing challenges. I am using thematic analysis to analyze the Qual findings. Should I include a...

31 December 2020 3,593 22 View

Using Matlab and the analytical solution for Room acoustic modeshapes, is it possible to plot modes in 3D?

mode shapes similar to attached image.

27 November 2020 4,262 7 View

What tool can I use for creating a Quantative Trait Loci map from SSR data?

I have SSR data for some individual of three hybride How I construct QTL mapping of yield according to these data ?

02 October 2020 502 5 View

Labs for purification, identification & isolation of unknown proteins form native sample of honey and to test versus GS-9L cells in vitro?

I asked for protein purification, identification and isolation of unknown proteins and test versus GS-9L other than that we already got in our patent WO/2014/040605 - form native sample of honey?!

23 September 2020 1,839 3 View

Hi everyone, do you know any GPS logger that we can use to conduct travel time surveys and which is easy to extract the data from ?

We are currently planning to conduct Freight Master Plan in the state of Qatar, one of the requirements is to conduct travel time surveys, therefore we are currently searching for GPS devices that...

22 July 2020 1,889 1 View

How can I quantitatively analyze a sample with carbohydrate content?

Can anyone -who may have hands-on experience in analytical chemistry or photochemistry- help me how can I quantitatively analyze a sample with carbohydrate content?

09 July 2020 3,663 2 View

Any Predictive Markers for Severe COVID-19 in children?

Predictive Markers for Severe COVID-19 Identified

15 June 2020 1,375 5 View

How to critize (Evidence based medicine) this paper?

24 May 2020 5,489 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 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

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 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

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Errors in DNA sequences?

I am trying to better understand the scope of DNA replication and sequencing errors, e.g. 1. I have seen similar error rates of 10e4 to 10e5 for cell & instrumental DNA replication,...

24 February 2021 4,397 3 View

How Can I clain a removal of a co-author?

I would like to make a correction in a co-author in your paper which is wrong. This name is also in other papers of Kenton Ko. Zey Ko is not a Co-author . The correct name is Zdenka...

24 February 2021 3,476 4 View

What is the best concentration of cDNA to be used for qPCR?

I have synthesised cDNA from 500ng/ul of RNA. The concentration of the cDNA Is about 5000ng/ul. Should I dilute my cDNA or just use it as it is for my qPCR? I usually use 2ul of cDNA for a 20ul...

24 February 2021 8,618 3 View

Recommendations on homogenizers for RNA isolation?

I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...

24 February 2021 3,623 3 View