What test should I use?

15 February 2021 911 5 View

Why am I not getting colonies using the Agilent QuikChange II kit?

Hello everyone, I hope you are very well. I am performing site-directed mutations with the QuikChange II kit. My first ones have a length of 50bp and a Tm of between 75 and 81 approximately. I...

09 November 2020 242 2 View

Repurposing a published image for a thesis - permission requiered?

I would like to use a crystal structure of the heme group from PDB for my thesis, for the introductory topic of cofactors (Figure 2, 10.1111/j.1432-1033.2004.04411.x ). The published figure has...

19 August 2020 1,798 3 View

How to convert .txt into plink files (ped/map or bed/bim/fam)?

I have a huge oncoarray_genotype_XXXX.txt file with 11.7 GB size. I would like to convert this file into adequate files for analyzing in plink software. However, I could not find how to conduct...

08 July 2020 9,302 2 View

Using RPMI vitamin solution for Bacteria growth?

I am searching for a solution containing both essential and non-essential amino acids. Mammalian cell culture seems to use these quite often, I would like to know if someone has experience using...

16 March 2020 7,696 3 View

Flow cytometry multicolor panel builder software tool that scans all commercial antibody databases?

Does anyone know of a web app or software for designing polychromatic flow cytometric panels that's able to scan all commercially available primary conjugated flow cytometry antibodies (i.e. from...

13 December 2019 7,047 4 View

Which parameter should I match to design a reduce sized scale model of a hydarulic turbine?

Hi, I'm trying to design a reduced scale model of a turbine tested with glycerol. The prototype idea is to install a turbine in tailings flux to recover a percentaje of energy from it. The...

22 October 2019 9,239 3 View

What concentration do you use to elute a NiNTA resin?

The protocol of Thermo Scientific NiNTA resin (cat. 88221) for purification of proteins containing a hexahistidine tag use an elution buffer containing 250 mM imidazole. For fun after this elution...

01 August 2019 4,271 3 View

Dehydrogenase enzyme activity: would you take a look at my data?

My experiment involve a dehydrogenase and I would like to identify the optimal substrate. For this an assay was established based on the use of DCPIP as cofactor, which when reduced the absorbance...

11 January 2019 2,476 5 View

Is one gRNA enough to delete a region by CRISPR/Cas9, whose HRs are ~1kb apart?

Dear all, Me and a colleague have come across the question whether a single guide RNA is enough to sufficiently delete e region (let's say a complete KO), for which the two homologous regions are...

26 September 2018 5,318 3 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

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

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

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

Nuances in the digital twin concept. Opinions?

Hello everyone, I am currently working on the state of the art of the digital twin concept, and after seeing the categorization made by Kritzinger, W. et al. (2018) [Digital Twin in...

14 February 2021 2,107 3 View

Is there research limitation on the relationships between digital capabilities, market orientation, brand perception and business performance?

I am looking for supporting studies discussing literature limitations on the relationships between digital capabilities, market orientation, brand perception and business performance. Also, a...

14 February 2021 7,457 5 View