Recommendations for Latent Profile Analysis in MPLUS?

I'm running a Latent Profile Analysis for the first time, and I'm using Mplus. I have several Likert questionnaires. Can someone recommend a site with step-by-step instructions? The few sources I...

21 August 2020 6,154 2 View

Heat transfer: what mathemats apply to maximize the net current yield in the thermoelectric panel system shown?

28 June 2020 9,968 3 View

Are SIR-like models really suitable for describing COVID-19 dynamics worldwide?

In the last few months, SIR-like models have been intensively used to represent the propagation dynamics of COVID-19 continuously. Even accepting that, to some degree, the different underlying...

26 May 2020 6,026 10 View

How can I analyze endocanabinoids by HPLC?

Hi to all, I would like some help about how can i analyze endocanabinoids by HPLC. Need the method, column, standard (which one, in sigma there are a lot of similar molecules), and equipment. I...

02 March 2019 7,495 3 View

Does rat lung is positive for MMP3 and MMP13?

Trying to detect MMP3 bands and in need of a positive control. I ran rat lung lysate and looks like is showing some bands at MMP3 and MMP13 molecular weight. Does somebody knows is it could serve...

05 February 2019 6,240 1 View

How can one achieve preferential expression of a particular mRNA molecule transfected into a microbial species ?

In other words, how do you design a self-amplifying (replicon) RNA aiming to achieve the preferential expression of a particular mRNA? What other mRNAs need to be included in the replicon? Thanks.

03 September 2018 5,657 3 View

How likely is it that a piece of self-amplifying viral replicon RNA may be serendipatously taken up by cultured staphylococci and expressed in vitro?

The question adresses the possible transfection of bacteria with replicon RNA vaccine material to create a fagocytable microbial form susceptible of being used as vaccinating material.

02 September 2018 8,665 2 View

Literature on not providing care as not wanting to be accountable/take resposibility?

Hi, I'm writing an essay currently on an ethical dilemma were someone i cared for was catatonic. I'm looking for literature aound healthcare professionals not wanting to provide certain types of...

16 February 2018 6,503 3 View

How can I quantify caustic soda in cleaning products?

20 July 2017 8,047 3 View

Can I quantify glutaraldehyde by titration? and how?

It's glutaraldehyde in household cleaners.

30 June 2017 5,431 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

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03 March 2021 5,360 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

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02 March 2021 932 1 View

APA 7th In-Text citations with two references with three authors with the same surname, but four different author?

I have an issue with APA 7th in-text citation. II have two papers where the first three authors are the same, and the fourth is different. I am using the Mendeley desktop app, and automatically it...

02 March 2021 790 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View