To what extent the ecological change could generate a substantial adaptive evolution on a short time scales (20 to 30 years or within few decades)?

07 August 2016 3,291 16 View

How one can calculate these climate indices?

Recently, many climate indices are known. If one has climate data for a number of years and would like to calculate one of the climate indices, which climate index is achievable with the daily...

03 April 2015 2,652 2 View

What are the differences between variable and parameter?

Statistically, we use both terms. I would to like to ask on when we say that's a variable may change over time but this is a parameter which is a constant for a certain time or certain conditions,...

02 March 2015 7,236 4 View

What are the added roles of stem cell in curing diseases?

Although the role of stem cell is not new, but I would like to discuss what are the added benefits from 1998 till now after the capability of the scientists to remove stem cells from human...

01 February 2015 5,898 1 View

Why microorganisms consume first the preferred sugar then start in inducing genes to metabolize the less preferred sugar?

01 February 2015 2,306 0 View

How to write an application for a research project for DFG?

01 February 2015 6,659 1 View

What is the gene for Gerstmann-Straussler-Scheinker disease or GSS?

I would like to ask on this gene, what its role in causing death? and if anyone knows any way for treatment or prevention the disease induced by this gene?

01 February 2015 837 1 View

What are we doing to cope with the fast growing of the world's population? and What are its predictable impacts?

01 February 2015 4,188 2 View

Is it possible to transform the chlorophyll to hemoglobin outside our bodies?

I would like to ask on the possibility of transforming the unstable water soluble magnesium-compound (chlorophyll) to the iron-compound (hemoglobin) as the chlorophyll molecule closely resembles...

01 February 2015 1,664 4 View

What are the main properties used for determining index soil properties for an area? How can one calculates it?

01 February 2015 7,267 7 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

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 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

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

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

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

What low-cut filter (high Pass frequency) to be used for response spectrum (Tripartite plots) ?

What low-cut filter (high Pass frequency) to be used for the response spectrum (Tripartite plots)? I am currently working on differentiating between hard/soft site responses in Indo-Gangetic...

21 February 2021 9,273 2 View