Organic solvent for trehalose?

I am looking for an organic solvent for trehalose. DMSO works, methanol works, like ethanol, but both are not suited for the rest of my process. Any ideas or exprience here?

04 August 2020 6,984 3 View

Elution of an antibody on a peptide immobilized column did not work?

I am very disappointed. I coupled a peptide with an N-terminal cysteine on a sulfolink column. HPLC shows that the peptide immobilization was almost complete. After cyclisation of the serum the...

25 May 2020 1,265 8 View

Hi! Can anyone show me how to calculate the total anthocyanins content using the OD at 545, 535 and 515 nm?

27 January 2017 7,419 3 View

Would you suggest any software executing ANN (MLP type) where connections between neurons (in consecutive layers) can be separately defined by user?

10 October 2016 3,464 7 View

What are the specific possible biases involved in having one coder in a qualitative analysis?

27 June 2016 998 4 View

How do i prepare 1mg/ml stock solution of a plant extract?

am working on determination of total phenolics and flavonoids

28 February 2016 8,857 14 View

Is there a reference article documenting the preferred imaging modes in oncology?

I would like citing a reference in a manuscript about the most used imaging modalities in oncology. Did somebody could provide me with a pointer?

17 August 2015 5,791 3 View

What is a clear definition for radiomics?

I am looking for a clear definition of "Radiomic". According to different papers from: Kuo, 2007; Lambin. 2012; aerts. 2014; singanamalli, 2014 and some others, I am not sure if the concept of...

15 February 2015 6,726 8 View

How can I compute the limit of agreement with Bland Altman featuring heteroscedasticity?

I am analysing repeated measurement of ratio-scaled data. For doing that I rely on Bland Altman analysis. The common case where Limit of Agreement is horizontal can be adressed by most of the...

20 February 2014 4,709 2 View

How to manage Bland Altman analysis with more than one couple of measurements?

I consider three readers circularly involved in Bland-Altman 2-by-2; threfore I obtained 3 Bland-Altman analysis with corresponding Limit of Agreement (and Confidence Interval). In order to get...

16 January 2014 9,164 6 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

Which period is considered as study period in research?

Is that starting from proposal development to result writeup or just from data collection to result writeup and reporting (publishing)?

28 February 2021 910 2 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

Is there any limitation of number of variables when doing Panel Data ARDL model analysis in Stata 13.0 version?

I have one dependent variable (HDI) and 14 independent variables within the time period 1990 to 2016. when I run the command (xtpmg.............pmg) the answer is *matsize too small* then I...

23 February 2021 9,448 5 View

What are effects of steel jacketing on flexural strength?

Dear all, If steel jacketing is used to retrofit a reinforced-concrete (RC) column, can we use it to improve flexural strength? I understand that we leave gaps between the ends of the jacket and...

22 February 2021 1,906 5 View

Is there any kind of data available for connection properties like signal strength between UE and RAN?

Is there any kind of data available for connection strength between UE and RAN? I am looking for signal strength, the geographical coverage of RAN's in a given Tracking Area, Coverage Area over a...

16 February 2021 1,073 5 View

Can anyone direct me to an existing Validated Health Care Survey/Instrument?

Hello, I am working on a paper and looking for an existing Validated Health Care Survey/Instrument. I have been performing virtual ergonomic evaluations since the start of COVID and want to...

04 February 2021 4,756 2 View

Fracture energy of concrete at sub-zero temperatures?

Both tensile and compressive strengths of concrete increase with the decrease in temperature. With this in mind and considering that fracture energy is in direct correlation with the so-called...

18 January 2021 8,778 4 View

How to get the rupture force vs loading rate plots through SMD simulations from gromacs?

Hi I have force vs time graph and Pulling com positions vs time graphs and got from SMD simulations in gromacs the pulling velocity I am using is constant at 0.01 and the force constant was 1000...

16 January 2021 9,080 5 View

Why the fracture energy of concrete increases with the rise in temperature?

Given the degradation of mechanical properties in concrete under elevated temperature namely, tensile strength, modulus of elasticity, compressive strength, etc., what is the justification behind...

15 January 2021 3,651 4 View