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

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

How do I quantify components of a plant crude extract?

The quedtion aims to seek help on information or literature on how to quantify the amount of metabolite(s) in a crude plant extract of dried Calotropis procera leaves. I wish to determine by...

14 June 2020 3,610 8 View

Calotropis Use as a skin?

Calotropis is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1810. It is native to southern Asia and North Africa

10 November 2019 5,305 4 View

Calotropis Use as a skin?

Calotropis is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1810. It is native to southern Asia and North Africa

09 November 2019 9,213 4 View

Please Can someone share with me questionnair dealing with ethnobotanical and ethnozoological utilization, ecology and conserv. of Calotropis procera?

calotropis procera

01 February 2018 129 1 View

Dear friends i need urgently new article on the plant genus calotropis (asclepiadaceae) between (2014-2017)

any phyttochemical or biological publications pleace

04 May 2017 4,802 10 View

Does somebody know which extraction method is best for calotropis procera plant extraction?

10 November 2014 3,709 4 View

Does somebody know which extraction method is best for calotropis procera plant extraction?

09 November 2014 8,402 3 View