Does the amount of ammonium measured by the electrode depend on temperature?

19 November 2020 6,315 12 View

I am seeking for a Questionnaire which is in this book: Consumption Values and Market Choices: Theory and Applications, does anyone have access to it?

For my new research, I need a questionnaire regarding consumption value theory (specially conditional value questions), Sheth 1991 has a standard questionnaire in his book which is named...

02 May 2020 731 2 View

What do you think about resilient supply chain?

According to the spreed of COVID-19 ,many supply chains all around the world, have been affected by negative impacts of this virus, especially in countries with the highest prevalence. In this...

11 March 2020 7,035 9 View

What is the probable reason for mismatch between results of fluorescent microscopy and flow cytometry?

I used a GFP vector to evaluate the transfection efficiency. the negative control, is a GFP-free vector. results of Fluorescent microscopy show transfection at rates higher than 90%. But the...

20 September 2018 1,346 6 View

How to connect infinite elements to pore fluid/stress elements in Abaqus?

Hi everyone! I'm simulating a 2D oil reservoir in Abaqus, and it's gonna be a "coupled pore fluid diffusion and stress analysis". I need to use infinite elements on the right boundary of the...

27 December 2017 606 5 View

Correlation coefficent of two catagorical variables

Hello, Is there anyway to have the correlation coefficient of two categorical variables ,both ordinal and nominal (For example level of education and ethnicity)? I have checked the independency by...

30 July 2017 3,229 3 View

Phosphoserine simulation using Gromacs

Hi Dear all I want to simulate a protein containing phosphoserine using MD, so I place the force field into the working directory and modified all parameters such as SEP (phosphoserine) was added...

15 June 2017 960 8 View

What is the best interaction for a fault plane in Abaqus?

Hi everyone, I'm modeling a tunnel section with an intersecting fault in Abaqus. I would appreciate it if someone tells me what kind of interaction and interaction property is appropriate for the...

02 May 2017 9,874 1 View

Can anyone help me about PCR of DNA extrected from Mia-paca-2 cell line?

Dear all, I should extract DNA from some cancer cell lines and perform PCR for its. I did it by Qiagen kit. From among all, PCR of DNA from Mia-paca-2 cell line (cell line of Pancreatic cancer)...

23 September 2015 6,523 3 View

I want to test the effect of lacking a gene on male infertility. How many male I should mate? and how many female I have to mate with the KO male?

06 August 2015 3,293 1 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

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 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

Is stone a sustainable material? Is it a sustainable approach to use natural stone waste in architecture?

I'm designing a zero-waste restaurant and considering using marble waste to make some tables and a bar countertop. My clients think it's not "sustainable enough" and I would like to have more...

01 March 2021 4,326 7 View

How to add missing citation?

Dear colleagues, I have found that many authors have a concern regarding their missing citation in RG because often citation in RG is lower than google scholars. I also missed some citation...

26 February 2021 928 6 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View