What parameters of quality control would I have to consider for antimicrobial toothpaste?

Hello, my name is Bianca and as a project for university I have assigned the manufacturing of antimicrobial toothpaste- quality control department. I tried to research online but I could not find...

17 January 2021 918 3 View

Would anyone have a sample survey questionnaire for an AHP-TOPSIS study?

I am currently working on my undergraduate thesis project and we are trying to compare the AHP method with the AHP-TOPSIS method. I have already found the format for an AHP survey questionnaire,...

03 January 2021 7,213 3 View

Would anyone have an explanation of the occurrence of this phenomenon in the LS-Dyna simulation in the drum seaming roll process?

Hello, I am simulating in Ls-Dyna a drum seaming process that consists of closing a drum, ie the lid with the body using two additional tools (figure 1). The tools are set as rigid shells and the...

26 August 2019 4,808 1 View

How to write a methodological paper?

Dear all, I would like to write a methodological paper. Notably, I would like to explain how a particular methodology can be used to study problems related to a specific field of studies (i.e....

21 October 2018 2,254 22 View

Could you suggest must-read literature of socio-ecological systems?

Hi everyone, I might be approaching the field of socio-ecological systems to write the final paper of my PhD. I would like to get an idea of a super MUST-READ literature to get an overview of the...

04 April 2018 7,009 26 View

Has anyone one used (snap)frozen tissue samples in a ProcartaPlex Multiplex Immunoassay?

The guidelines states that it is suitable for serum, plasma and cell cultured lysates. Theoretically can you use animal tissue and make a tissue lysate?

21 September 2017 8,408 2 View

Regarding the use of water samples, what other testing methods can be used besides Coliform test for water that are more efficient and cost-friendly?

19 April 2017 5,018 3 View

Missing concentration-dependend effect of IL-2 concentration by TERB and NAD on human PBMC?

I have some questions regarding the results of my experiments. I need inspiration and ideas to discuss these results. Hopefully someone can help me to explain this. A short introduction of my...

21 January 2017 8,818 3 View

Is anyone aware of a described gene sequence for feline Angiotensin II?

I am trying to design an RT-qPCR primer for Angiotensin II in cats.

15 August 2016 3,872 3 View

Ways to produce aluminum powder from aluminum bar?

I am looking for ways to produce powder from an aluminum bar. I can't find an available grinder/mill, so I am looking for an alternative. I saw a method wherein a steel plate and a steel bar were...

07 June 2016 3,949 15 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

How to run repeated measures in mvabund?

I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...

21 February 2021 3,838 1 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View

Resume Book UEP2013 Asian Edition, dis somebodey has it?

I am looking for a copy of the resume book of UEP2013 Asian Edition (Urban Environmental Pollution 2013 Asian Edition) held in Beijing. If somebody has it, please I would like to obtain an...

11 February 2021 2,247 2 View

How to compare different models with different inputs and data length?

I want to run 5 different models to estimate stream flow. In order to optimize the characteristics of these models I use Taguchi method. So I have to run different models according to the Taguchi...

11 February 2021 7,986 6 View

Having trouble with qPCR amplification plots. My curve's never seem to reach a plateau. Any ideas?

The parameters of the curve all seem acceptable, typically reactions results are above 0.9852, -3.1 to -3.6 slope, and 90-110% reaction efficiency. The results seem to be what I would expect from...

04 February 2021 1,138 3 View

Which LCIA method is most suitable for assessing the impacts of nitrate leaching in groundwater (eutrophication )?

The eutrophication of groundwater by nitrate leaching is major environmental problem in Germany, especially in areas with intensive agriculture and high N-fertilizer inputs. In addition there are...

16 January 2021 5,182 7 View

Can you suggest literature studying the conditions information and evidence can influence manager decisions in social impact sectors?

I am working on improving the use of digital innovations at scale globally. Most of the innovations I work with provide relevant knowledge on improving the performance of projects, programs, and...

16 January 2021 1,120 5 View

Please how can I justify my regression results?

I conducted a study to investigate stock market reaction to equity issues announcement and i ended up with 64 announcements and i then used the announcement day returns as my DV and investigated...

14 January 2021 1,127 3 View