Why the total sample size changes when I weight cased in SPSS?

Dear research community, I am using a data file from DHS survey and I need to adjust for cluster sampling design. I am using SPSS version 27. When I weight the data based on the weights that have...

09 October 2020 1,383 3 View

Mymensing med J 2014 Oct;23(4):770-773. I am one of the co-author but research gate showing different name. What is the solution?

I have already mentioned that i am one of the author of Mymensing med J 2014 Oct;23(4):770-773. Article titled "Association of infertile patients having polycystic ovarian syndrome with recurrent...

04 October 2020 2,148 1 View

What is Static Parameter in GPOPS?

Despite the time I have spent on GPOPS, I could not understand the application of static parameters. What are they? Can anybody present an example?

11 April 2020 1,388 3 View

Determination of doxorubicin in exosome by HPLC?

Hello, I want to measure doxorubicin released in exosome samples using HPLC. Please let me know if you have a detailed protocol.

16 June 2019 3,406 2 View

How should I adjust the optimizing criteria in GPOPS (a Matlab software)?

I'm working with the first version of GPOPS, which is a software for optimal control problems. I know it uses SNOPT to solve problems, but it doesn't work correctly, and it stops convergence...

23 April 2019 4,238 2 View

Is it better to normalize input values when we use fmincon function in matlab?

Is it better to normalize input values when we use fmincon function in matlab?

06 April 2019 4,581 3 View

Does anybody now what to do with a warning when performing multiple imputation in SPSS?

Hello, I'm trying to run multiple imputation on SPSS 25 with defined constraints, and am getting the following warning that stops the execution of the process: "After 100 draws, the imputation...

06 February 2019 9,709 2 View

How to test validity of questionnaire in spss?

correlation is enough for validity?

03 November 2017 2,415 5 View

How can I detect My Rare gene in samples ?

11 June 2016 1,701 4 View

What am I to do when the author of paper said wash with water and ethanol in chemical synthesis?

24 January 2015 9,693 6 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 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

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

Is that possible to do an impedance measurement without FRA module?

One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...

21 February 2021 418 2 View