Is there any (validated or not yet) evaluation form available for formally assessing the causal relationship in a treatment-emergent mortality?

Is there any (validated or not yet) evaluation form available for formally assessing the causal relationship between a complex treatment and a subsequent treatment-emergent (or hopefully not)...

05 June 2018 7,585 0 View

Circulating tumor DNA (ctDNA) has a very short half-life in peripheral blood, approximately 1.5 to 2 hours only. How will the ctDNA disappear?

According to the previous decent studies, the half-life of ctDNA has been determined to be less than 2 hours. What are the physiological mechanisms to clean-up these ctDNAs in one's peripheral blood?

11 December 2016 8,814 6 View

Why EMBASE literature database is such unfriendly and not accessible?

I'm so frustrated in accessing EMBASE for scientific research. High expense and poor accessiblity. I don't know how and why the EMBASE leads me into this negative impression?

08 September 2015 7,489 0 View

How can I determine the caliper in a propensity score matching?

A caliper which means the maximum tolerated difference between matched subjects in a "non-perfect" matching intention is frequently set at 0.2 standard deviation as the default such as used in the...

31 December 2014 9,097 4 View

Which type of cancer or solid tumors are strongly associated with CTLA4 aberration causing a state of self-tolerance?

Cytotoxic T-cell antigen-4 gene variants in cancer.

10 November 2014 3,354 3 View

When there are two editors-in-chief, how shall one address them in the Cover Letter?

Shall we just pick one of them to address to? This will not be polite enough, right? But how to write a letter to two persons? Pardon me for this naive question, please.

09 October 2014 8,623 4 View

How to calculate the synergy Index when the measure of risk is hazard ratio?

SAB=(RRAB - 1)/(RRA + RRB - 2)

07 August 2014 9,599 4 View

Is it possible or helpful to establish a ResearchGate Repository collecting all the uploaded full-text articles?

Full-text articles uploaded by ResearchGate researchers are valuable. A repository of these articles can provide better utilization, more efficiently shared amongst us, when the repository...

06 July 2014 9,463 0 View

Can we score (quantitatively evaluate) an observational cohort study using the STROBE checklist?

06 July 2014 5,397 6 View

Which bio-statistical software is particularly good for propensity score matching?

In an administrative database research using retrospective cohort study design, the propensity score matching may be adopted to ensure group A and group B in the cohort will look similar...

05 June 2014 4,867 10 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View