How to deal with the recudtion of amplification efficiency of indexed primers?

Hi all, I am now working with ITS2 sequencing library preparation. I had observed that after introducing adapters, linkers and barcodes to a primer, the indexed primers have a much lower...

27 January 2021 5,045 3 View

Are there any DNA intercalators that do not have fluorescence?

I understand several normal DNA intercalators, such as ethidium bromide, acridine, SYBR et al. would emit fluorescence. Is there any kind of DNA intercalator that do not have fluorescence?

25 December 2020 688 3 View

How to interpret the centrality indices in network analysis?

I learned that in order to interpret the centrality indices, the CS coefficients resulted from a bootnet test are preferably above 0.5 and above 0.25 is acceptable. In my network, the CS...

29 October 2020 3,545 3 View

How to create a graph of psychopathology symptoms when conducting network analysis in R?

I've been working on the network analysis of adolescent depressive symptoms. I've estimated the network, the centrality indices and network stability using packages qgraph and bootnet. Then I want...

22 October 2020 5,591 3 View

How to interpret the results of NetworkComparison Test when conducting a network analysis in R?

25 September 2020 9,936 2 View

Does anybody know how to use the Lagranto model?

These days I wanted to run the Lagranto model to track water vapor transport path. But I got some trouble in installing an available version of Lagranto model. I attempted to use "conda install -c...

04 July 2020 5,417 4 View

Abaqus & Fortran complier linking problem ?

Hi, I am trying to run a vumat subroutine, but there is some abaqus-fortran linking issue. I use abaqus 6146 Micrasoft visual studio 14.0 parallel studio XE 2016 I added these command in my .bat...

25 February 2020 5,698 2 View

Health informatics: Relationships between industry development and academic research?

In digital health domain, is the academic research that leads the development of the industry OR is the industry development that impacts the associated academic research ?

10 June 2019 5,214 6 View

Fluorescence Polarization Assays?

When I titrated fluorescence probe by Protein A alone or by Protein B alone, it do not should any binding signals, mP do not change. However, when I titrated the same fluorescence probe by...

18 March 2019 2,468 3 View

How does esiRNA from Sigma compare to Dharmacon's SMARTpool siRNA?

I would like to know information about esiRNA form Sigma for the following points: 1. transfection protocol; 2. knockdown efficiency; 3. off target effects; 4. toxicity. Anyone would like to share...

31 May 2018 9,661 2 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Is there anyone who experienced with cytotoxic effect of Hoescht 33342 dye?

Is Hoechst toxic to cells? In general, it is known as non-toxic. I am working with dsRED MDA-MB-231 cell line. I applied it for my PDMS-based microfluidic platform, for this reason, I incubated...

26 February 2021 9,119 3 View

Diltuions for a Western blot?

I need help using the equation C1V1=C2V2 figuring out how much antibody to add to use for a western blot. The stock was origianlly 3.45 ng/ul but diluted 1:10 so now its 0.345 ng/ul. I need to run...

22 February 2021 9,901 3 View

What are alternatives for B27+ Supplement in neuronal cell culture?

Hello everybody In our iPSC-derived neuronal culture we use Maturationmedium, supplemented with B27+. As Thermo Fisher run out of stock and can deliver earliest in May, I wanted to ask whether...

16 February 2021 3,348 1 View

How to revive a Hyphomicrobium strain?

11 February 2021 3,524 2 View

Bradford assay for insulin: discrepancies between standard curve and sample concentration during crystallisation?

Hi there, I would like to determine the unknown concentration of human insulin in my sample during crystallisation (the concentration range is roughly 0.5 -2 mg/ml, whereas the initial...

06 February 2021 9,370 7 View

Why has my protein transfer using fresh transfer buffer is worse when compared to protein transfer using old buffer?

Hello, I have performed two westerns in parallel, one using fresh buffer (made with old 10X tris-glycine) and the SDS gel was made 4 days prior to western; and the other western was performed...

03 February 2021 9,311 5 View

How to measure volume of Pinus roxburghii ?

I want to measure volume of Pinus roxburghii in the Jammu region of India to calculate the carbon stocks of Pinus roxburghii.

31 January 2021 2,311 3 View

What are the factors on which exchange current density of an electrode depends, and how can they be predicted?

While surface roughness is an obvious factor, this is not what is exactly asked. Rather, periodic variation of exchange current density (of an electrode) with solution chemistry (of electrolyte)...

30 January 2021 4,886 5 View