Recipe for old qiagen DNA extraction buffer AP2?

Hi there, I'm looking for the recipe for a buffer no longer made by qiagen, but that i need for a procedure i'd like to carry out. I'd like to follow the extraction procedure laid out in the...

17 January 2021 8,496 1 View

Where can I go to seek out IPE Research Grants?

03 January 2021 7,403 2 View

Why battery always retain the same value of power?

Dear all, I have been testing a model that is in the Matlab library (https://es.mathworks.com/help/physmod/sps/ug/simplified-model-of-a-small-scale-micro-grid.html), this is named "power...

10 November 2020 2,117 3 View

Any advice on running quantum espresso on a single Imac??

I have been using VASP for years now and wanted to try out QE on my home IMac since it's open source. Does anyone have any advice?? I recently wiped and reinstalled the OS on the mac so it is...

29 September 2020 5,195 2 View

How does methylene blue fluoresce under dark UV?

Will it show as blue color under dark UV light (say 390 nm to 400 nm range) ? Does it degrade over time under long exposure of UV light (i.e. losing its fluorescein characters) ? What...

23 September 2020 9,752 2 View

How to avoid blockages of centrifuge filters when filtering polydisperse liposome samples for separation of free hydrophobic drug?

I'm using ultrafiltration for the separation of free curcumin from liposomes. The tubes are 1ml 0.45um cellulose acetate filter tubes (Corning Spin-X) and the centrifuge I'm using is the Thermo...

01 September 2020 8,875 2 View

Why do different methods in python, result in different values of zero??

I am using numpy in python along with the linalg package to solve for the eigenvalues and eigenvectors of a 2x2 matrix. I also did this by hand, and coded the brute-force algebra step by step to...

23 March 2020 9,411 2 View

How would you compute a generalised inverse matrix?

I am exploring generalised inverse computation and their computational complexity. Could anybody suggests the algorithms that may have been used to approximate the generalised inverse. Perhaps...

31 December 2019 4,771 2 View

What benchtop high pressure homogeniser for downsizing liposomes would you choose and why ?

Emphasis on: Minimising drug and lipid loss Minimising number of passes Achieving unimodal distribution Maintaining high encapsulation efficiencies Ease of use and maintenance

24 November 2019 1,946 2 View

How to quantify drug uptake of each cell line of co-cultured cells?

22 October 2019 3,153 3 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Is it Ok to decline to write a chapter for a IntechOpen to the lack of experience?

I have been asked by IntechOpen to write the chapter for a book they are going to publish, but as I don't have enough experience in the area they proposed me to write I declined their offer. Now...

24 February 2021 2,802 4 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 View

How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View

Are we using now IT technology effectively?

I discover now two my papers, which are more then 30 years old and which are describing something, what was done in years 1985 -...

21 February 2021 5,008 3 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View