Statistician wanted for collaboration?

Statistician required for collaboration on a research project. The project sought the opinions of medical imaging professionals about providing a preliminary image evaluation to referrers....

01 May 2019 9,048 5 View

How does one compute confidence intervals for the difference between two binomial proportions in SPSS?

I have a relatively small data set of 135 subjects. These are categorized in two dichotomous variable, type of health care and sex. I can use a Fisher's Exact test to determine if sex is...

05 March 2019 3,847 5 View

Schema therapy , Personality disorders , Older adults . What more can we learn from older patients of PD BPD to enhance therapy ?

I am currently in early stages of qualitative research design in the areas of perceptions and exploration of older adults . I am looking at investigating older adults with personality disorders...

19 February 2019 7,117 5 View

Non-parametric tests: PermANOVAs, or Kruskal-Wallis test?

Hello, Because my data has non-normal distributions, I understand I need to run non-parametric tests. My data includes multiple samples from several distant collection sites. Under what...

22 January 2019 5,467 5 View

Funding is a major problem for me. Is it less costly to check for pathogens in ticks via PCR or antigen/antibody match?

I am unclear if antibody tests can be conclusive in a tick or even if it is possible to test. If so, what are the limitations once the ticks have been collected. Limits such as temporal limits,...

08 January 2019 1,642 7 View

What evalues are recommended for BLASTing fungal sequences?

Hello, I'm using the command line to NCBI BLAST fungal DNA sequences (Table-C1, https://www.ncbi.nlm.nih.gov/books/NBK279684/). The default evalue is 10.0, but one paper I'm following used...

17 November 2018 1,031 3 View

Bacteriophage CE6 wanted - can anyone help?

I have been trying to get a sample of bacteriophage CE6 (which expresses T7 polyemerase) for protein expression studies. The lysogenic form of this is the (DE3) you see in genotypes of cells used...

14 November 2018 2,954 3 View

Grouping read IDs by sample names, and sorting samples into separate fasta files?

Dear colleagues, I pooled together dozens of samples into one library, and sequenced them together. This yielded millions of reads, with the sequencer assigning each unique read-IDs. While the...

08 October 2018 5,513 4 View

What are acceptable thresholds when using BLASTn on fungal DNA sequences?

Hello, I'd like to know your opinions on identifying fungal DNA sequences using the BLASTn with regards to Max Score, Total Score, Query Cover, E-value, and Identity match %? What are common...

06 July 2018 9,896 1 View

Similarity thresholds for fungal OTUs?

Hello, I understand there's disagreement regarding the similarity threshold for fungal OTUs, be it 95%, 97%, or 90-99%. In the literature, anyone of these threshold may be cast as adequate or too...

01 June 2018 3,308 4 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

What is the most prevalent drug related problem in the developed countries?

Detecting the drug related problems is an important step in the pharmaceutical care plan

21 February 2021 5,421 3 View

XRPD Quantification - Building a calibration curve of drug excipient?

I am aiming to utilise XRPD to quantify a drug excipient within a drug product and have been having a little trouble building the calibration curve to allow for this quantification up until this...

10 February 2021 6,145 3 View

Student writing his own Learning Outcomes - is this the way forward?

'Students just dont want to study; they are here to waste time!' I have heard this phrase many times; so are the students solely to be blamed? We will find many students who just dont seem to...

04 February 2021 8,546 22 View

What's the difference between light absorption and coupling in plasmonic metals?

What's the difference between light absorption and coupling in plasmonic metals? It seems that light absorbed in metal nanostructure/nanoparticles doesn't contribute to enhancement in electric...

14 January 2021 1,884 4 View

Why the presence of surface active compound repress the mass spectra of other compound? If the sample is itself surface active, then self repression?

I am assuming the resulting insertion/agglomeration in the presence of a surfactant or the agglomeration of surfactant may reduce the rate of ionization. The mobility of the ion may also be...

07 January 2021 987 5 View

Does the initial cell number play a role in affecting the output variables like IC50, EC50, etc.in cell-based drug screening assays? If so, how?

While performing cell-based assays to assess drug toxicity or drug efficacy, how is the initial cell seeding density determined? What is the standard followed in the pharmaceutical industry while...

07 January 2021 6,983 3 View

Is it necessary to validate the control test for each FFP separately?

Hi everyone, I would like to ask if it is necessary to validate the control test (eg sub-visible particles) for each Finished Pharmaceutical Product (FPP) separately (using the same method, the...

06 January 2021 5,568 3 View

Does anyone know about vision-guided control of civil structures?

I would like to know more about the following issues: 1. Using images as feedback for the closed-loop control of civil structures 2. Simulating the vision-guided control on the computer without...

03 January 2021 7,566 1 View