How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View

What tools/methods can I use to analyse photo-voice data?

I will be facilitating a Photovoice project remotely and would like to know what tools or methods did other researchers use for data analysis.

19 November 2020 6,177 4 View

How to determine good MCF-7 cells in flask?

looking for some assistance.. how do you determine which MCF-7 cancer cells have been well cultured in flasks just by observing the color of the contents in the flask and microscopic view?

28 September 2020 7,657 1 View

Are 'any other/further comments' at the end of a questionnaire considered quantitative or qualitative data?

I am undertaking a quantitative study using a questionnaire. At the end of the questionnaire there is a lined, blank page asking participants to write 'any other / further comments'. Are...

06 August 2019 4,808 12 View

How do i justify my sample size with reference to similar protocols?

I am designing a study in which i will have 40 participants, looking through literature similar studies have used between 8 to 50 participants. How do i justify my choice of 40 participants using...

05 March 2019 6,201 1 View

Can anyone help in identifying these microalgae species in a consortium?

19 December 2018 1,076 10 View

What abiotic factors can affect the rate of conversion of inorganic mercury to organic methylymercury by Pseudomonas spp.?

Abiotic Factors such as temperature, salinity, pH of the water

20 April 2017 1,840 3 View

How can I achieve normalisation of miRNA qPCR for samples treated with pathway inhibitors?

I am looking for an effective way to normalise miRNA qPCR when using samples treated with PKC, PI3K, MAPK inhibitors, etc. I have tried using RNU62 and SNORD72 however, both have altered...

03 March 2014 8,818 5 View

Role of bicarbonate in acetylcholinesterase activity?

Does anyone know the role of bicarbonate in acetylcholinesterase activity? Every assay method that follows Ellman, et al. (1961) uses either bicarbonate/carbonate buffer in one of the reagents,...

21 September 2010 177 1 View

What is the role of chloroform, isopropanol, as well as NP-40 during the extraction of cholesterol from lysed cells?

I want to determine whether the centrifugation, separation of organic phase, & chloroform: Isopropanol: NP-40 steps are necessary in sample prep as per cell biolabs Cholesterol Assay (using...

01 January 1970 5,750 3 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

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View