Which is the appropriate statistic test to examine the relation between students' affective state and academic performance?

Which test should I use to compare students' mood effects on academic performance? I want to compare mood measured on a likert scale (from point 1= very sad to point= 5 very happy) to three...

04 February 2021 1,907 5 View

How can you derive a and n parameters of the Van Genuchten equation for horticultural mediums?

Dear all, I am trying to figure out how to derive and n parameters of the Van Genuchten equation for compost samples taken from an urban farm. RETC has predefined values for these parameters for...

26 January 2020 7,843 3 View

I am trying to form microspheres with PCL and PVA using a mechanical stirrer but the polymers keeps forming clumps. What do i do to disperse them?

I prepared a 1% PVA, and dissolved 500 mg of PCL in 5 ml of DCM. Then I introduced the PCL solution into PVA while stirring at 2000 rpm for 2 hours, after which i place it on magnetic stirrer to...

15 April 2019 7,177 4 View

Can normal colon cell lines form spheroids?

I am growing spheroids from HT29 colon cancer cells, and I need some sort of control cells to be compared with the HT29. Now, I should grow the control cell into spheroids and then use these new...

30 October 2018 3,719 12 View

Please, can I get a research paper or an article on lipid extraction from ogbono and egusi using chloroform-methanol method ?

I am working on a project that involves lipid extraction using chloroform-methanol as solvents. I washed the product with water-methanol and about to use a rotary evaporator for evaporation. But...

10 May 2018 4,089 3 View

What is the effect of differentating 3T3-L1 preadipocytes in differentiation cocktail for 3 versus 7 days?

I noticed that some protocols use differentiation media for 2-3 days while others go for 5-7 days before changing to maintenance media. Why is that? Is an adipocyte grown in DM 3 days + MM 4 days...

08 December 2017 1,792 1 View

How to calculate sample size for a moderation study?

Hi, I am doing a study design and planning to do a moderation study. This is the simplest model. However, I am struggling with the calculation of sample size. How do I calculate the sample size...

23 April 2017 5,449 8 View

I want to take for the first time CHO cells in culture. How can I get 100% sterile glass Erlenmeyer flasks to use them again in the cell culture?

29 November 2015 9,661 3 View

How do I design primers that will distinguish between highly homologous transcripts?

10 August 2014 4,948 4 View

How can I get my ligation to work?

I've been attempting to subclone an insert from one vector to another by PCR amplification with primers that incorporate XhoI/EcoRI sites at the ends of the insert and then digesting the insert...

30 July 2014 4,230 6 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View