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

Is there any reference value that can be compared to the obtained health risk index (HRI)?

In order to evaluate the risk from tomato ingestion in the presence of organic wastes, health risk index (HRI) of heavy metals in each treatment were calculated . Is there any reference value...

14 July 2019 8,279 1 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

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

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

Which kit is more accurate for determination of protein concentration in SDS- Page sample buffer?

Which kit is more accurate for determination of protein concentration in SDS- Page sample buffer?1- Protein assay kit (Bio-RAD)2- 660 nm protein assay (Thermo scientific)3- 2-D quant kit (GE...

20 August 2014 9,614 10 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View