How can I simultaneously recognize unknown patterns and variables from a given data set?

20 January 2021 6,385 3 View

What is the difference between "pesticides" and "insecticides"? Are they same?

What is the difference between "pesticides" and "insecticides" in English? Are they the equivalent replacement when used in text? I am an ecological researcher who particularly concerns the...

04 January 2021 6,230 37 View

Viscosity of CsPbI2Br inorganic perovskite solution?

I am trying to fabricate the CsPbI2Br-based inorganic PSC. I used the solution with a concentration of 1.2M following some papers, but I found that the viscosity of the solution is really high....

20 October 2020 6,167 2 View

How to extract membrane protein of platelet ?

I would like to extract membrane proteins of platelets, but I can't find more detailed protocols. How should I extract without a commercial kit?

25 September 2020 1,165 3 View

How can i control the hourglass in lsdyna for ceramic materials?

I am working on ballistic simulation. The first issue is how can i control hourglass for ceramic materials. Because if hourglass exceeded 10% of internal energy, the simulation will be...

11 May 2020 7,494 2 View

Using fixed independent variable across time period?

Hello I'm working on a research on The effect of certain demographic information, Say population density, on people's response at different stage of Covid 19 pandemic. Now the problem is, the...

11 May 2020 7,462 4 View

Is actin or any other housekeeping proteins a suitable loading control in WB in the sequential extraction samples?

Hello guys, I am recently doing WB to detect soluble and insoluble species of a protein using sequential extraction. I have a question about the loading control. Generally, we use...

09 October 2018 6,837 2 View

Why the ZnO I grinded photodegrade slower than bulk?

These days, I do dye degradation experiment. I use mortar and pestle to grind bulk ZnO 10 min, the powders turn yellow. Then use that powder to do dye degradation, why it degrades slower than...

05 August 2018 1,769 4 View

Genomic contamination in RNA extraction with PicoPure RNA extraction kit and Purelink DNase set?

I am working on a project to measure the gene expression on rare cells with a white blood cell background by using the digital PCR technique. The first thing is I need to make sure the tested gene...

21 September 2017 2,012 1 View

How can I idetify the organisms from nitrifying, ammonifying and denitrifying bacteria in lacustrine sedimentary organic matter?

05 November 2016 5,180 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

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 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