Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

What is the molecular size for crystal violet and reactive orange 16?

I am using methyl violet 10B and reactive orange 16 (RO16) dyes for my Ph.D. research. I'm trying to find the molecular size for both of these dyes. It is possible for me to find these dyes'...

01 February 2021 3,333 4 View

How to find the target displacement to use in displacement control pushover analysis according to ASCE 41-17?

I am performing pushover analysis in Etabs of a steel braced frame but oI do not know what value should I use for target displacement. The height of the building is 20m. I want to know what value...

29 January 2021 2,190 2 View

Can we coat the pellet with graphite spray in place of silver paste for making electrical contact to measure the thermoelectric properties?

I want to coat the pellet because without electrical contact (may be due to the high resistance of the pellet), the V-I plot is not coming in the ZEM-3 instrument. I want to measure electrical...

24 January 2021 836 2 View

What is suitable etching resist coating for polished Titanium Grade 5 surface?

Currently we start a chemical etching project. This project involved etching a polished titanium grade 5 surface part. We facing a problem where by our etch resist coating peel off during etching...

15 January 2021 1,592 3 View

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13 January 2021 2,487 1 View

Variant or strain, what exactly happened to the corona virus ?

The new, more contagious variant of the virus that causes COVID-19 which initially detected in the U.K. and has now been spotted in many of the country. While some have referred to this as a new...

11 January 2021 8,810 5 View

How many times can we immunize mice before hybridoma preparation?

Dear all, Recently I have been working with monoclonal antibody production and I usually Immunize mice for a total of 4 times with the last one being diluted in PBS 3days before fusion...

09 January 2021 9,320 3 View

The hospitals reported rise in ICU admissions of young COVID patients - Is the new strain of COVID to be blamed?

05 January 2021 3,141 12 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

How can we add reinforced thermoplastics with granules in injection molding machine?

I need to make an injection molding machine in which short fibers are to be introduced. Short fiber length and material properties are to be determined and also the material strength are to be...

22 February 2021 4,290 1 View

How to visualise pathways from a phosphoproteomics dataset?

I am looking for something similar than Ingenuity Pathway Analysis (IPA) in which I can enter the proteins differentially phosphorylated and I can visualise the pathways these proteins are...

21 February 2021 8,923 4 View

How to phrase semi-structured interview questions using IPA without biasing superordinate themes?

Hello, I am preparing a semi-structured interview schedule for an interpretative phenomenological analysis study on marginalized individuals' career experiences as impacted by COVID-19. The aim...

19 February 2021 9,099 2 View

Which detection method is better for an ELISA-based assay: colorimetric or fluorometric?

Hello, I am planning to perform an ELISA-based assay to quantify the percentage of genomic methylation (5-methylcytosine) in human embryonic stem cells. I've been searching for some kits and I...

16 February 2021 8,389 3 View

Would bisulfide sequencing result be affected if the tissue is fixed by perfusion?

I am looking into DNA methylation of mice as an aging marker along with other assays and recently I added brain IF to the list of assays. For this, I need to fix the brain by transcardial...

09 February 2021 9,012 3 View

Professional editing and proofreading services?

08 February 2021 7,901 6 View