28 January 2024 1 4K Report

hg

More Gary GELMER Luque Coaquira's questions See All
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

Similar questions and discussions
1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 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 can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

What is the difference between Graphene Oxide and Expanded Graphite?

What are the main differences between Graphene Oxide and Expanded graphite, in terms of surface functionalities, conductivity, d-spacing and other features? Is the term expanded graphite...

06 February 2021 9,810 4 View

PEG coated Fe3O4 nanoparticles in aqueous NH3?

Hello, I synthesized PEG coated Fe3O4 nanoparticles by coprecipitation methods and I would like to ask whether they can be dispersed in aqueous NH3 since they have a PEG coating and theoretically...

06 February 2021 5,217 4 View

How to apply graphene oxide on an gold electrode?

Dear Fellows, now it is the time to push graphene applications further in terms of easy and low cost production surroundings. Thus I recently dived in the materia and I am facing tons of papers,...

02 February 2021 6,284 2 View

I am unable to get proper OH peak upon modification of iron oxide nanoparticles with TEOS some one can elobarete the problem?

I have synthesis iron oxide nanoparticles need surface modification when introduce TEoS I got silane layer but not Oh group .Since this Oh group is necessary for further introduction of double bond .

23 January 2021 8,278 4 View

Following is XRD of iron oxide nano material synthesised using bipyridine derivatives. What are the reasons for Broad Humps?

Even after few repetitions..I am getting similar results. Is is due to organic components?

20 January 2021 9,279 6 View

What is the kinetics that Cr6 on the surface of the soil will preferably exchange with the charge on the surface of the iron oxide nanoparticle?

I am researching the application of iron oxide nanoparticle in the removal of heavy metal (Cr6) from soil

10 January 2021 3,167 3 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close