How to extract RNA from brown adipose tissue(BAT)?

30 January 2021 6,610 3 View

Dear professors, i am confused with how to figure out the tea bag index?

Hello, i am confused with how to figure out the tea bag index,could you please tell me how to compute the letter "a" and "k". Can i use R or Sigmaplot to fix it?

09 December 2020 6,705 3 View

Are there any easy way to test the activity of CYP51?

I'm looking for a relative easy way to test the activity of CYP51. Are there any way that I can measure it without using LC-MS or gas chromatography. A simple absorbance or fluorescence test will...

08 October 2020 6,687 3 View

Strain Hardening Phenonmenon under Uniaxial Tension when using ABAQUS CDP?

Dear all, I encountered some problems when using the ABAQUS CDP model. Could you please give me some suggestions? I did a monotonic uniaxial test using a single 3D solid element (C3D8R) and the...

04 October 2020 7,111 3 View

How to extract RNA from pancreas?

RNA extraction from pancreas of ruminants is very difficult due to the existence of abundant RNase. Previously, our research group tried to remove the pancreas from animal immediatley after...

20 September 2020 1,097 2 View

How to get bending moment in Ansys shell181 element?

Hello, I would like to compare the bending moment of a tube with beam and shell element in ansys? The tube has the same dimension in beam and shell element. In beam element, i can get the...

24 August 2020 2,352 1 View

Buckling Analysis - Risk vs Ex/Implicit vs Static Stabilised - Displacement vs Force Control ?

Dear all, I am studying how to conduct lateral-torsional buckling analysis of a simply supported beam. The beam is purely elastic, and the boundary conditions are shown below. I started with a...

21 July 2020 3,761 2 View

How do I detect the onset of each period of a noisy periodic signal (MATLAB preferred)?

I have a noisy periodic signal, like the attached picture, is there a way to extract the time of each onset of each period (shown by red arrows)? MATLAB preferred other programming languages also...

16 July 2020 5,988 8 View

Roche has stopped its Universal Probe primer design service, does anyone know where or how we can design primers to fit Universal Probe Library?

Roche announced the Universal Probe primer design service will be stop in the end of 2020, but the primer design website has already been shutted...

10 February 2020 4,745 2 View

Reusing C18 ziptip while desalting the peptide sample before LC-MS/MS ?

Reusing C18 ziptip while desalting the peptide sample before LC-MS/MS ? Hello everyone I have a question while using ziptip Do you suggest that reuse the zip after one sample binding and...

11 December 2019 7,865 3 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

What is the biochemistry of acidic solvents for phenolics extraction in strawberry?

I am using the Folin-Ciocalteu method for analysis of total phenolic content in ripe strawberries. I've read several protocol that suggest a methanol/H2O/formic acid (80:19:1) extraction solution....

22 February 2021 6,560 3 View