What are effective methods for removal of iron from organic acids?

I am seeking methods to remove trace iron from organic acids, including acetic acid, propionic acid, and formic acid. Distillation works, but is expensive. I'm looking for alternatives to...

31 January 2021 984 3 View

When using explanatory sequential mixed methods, why do you need to use this method when the population groups are uneven?

I am currently working on my dissertation. I wanted to do a quantitative study using 3 groups. Two of the groups are approximately the same size, but the third group is significantly smaller....

01 May 2020 6,561 3 View

Anyone know if T cell depleting antibodies (Th1.1, Cd8) affect tumors or just periphery?

I'm want to deplete cells only in the periphery but do not know if they will deplete T cells infiltrating tumors

07 April 2020 1,962 3 View

Qualitative data set from interviews or conversation?

I'm looking for a qualitative data set (preferably one that has already been published) that has transcribed and coded from interviews and/or small group setting. The topic area is not important....

27 December 2018 6,840 6 View

Can I generate species rarefaction curves based on two different trapping techniques?

I am using two types of traps to collect insects and would like to predict the species richness of different localities. Is it possible to generate rarefaction curves for both methods combined or...

14 March 2018 553 3 View

How do I get a free copy of Primer?

Is it possible to get a free copy of Primer. If not is there another statistical software which is good for analyzing diversity indices. Thank you.

10 December 2017 6,066 4 View

Adding jpg files of paper?

I want to add information for my Fluorine Electron Microprobe Analysis talk at an 1982 conference. There are 3 jpg images of the paper. [ I'm trying to get a pdf file ] Is that possible?

25 February 2016 3,551 6 View

Does a defendant that has fetal alcohol syndrome have some protection in a misdimeanor court case?

The defendant was 16 years old and was doing graffiti and was also charged with possession of tobacco. The defendant had been diagnosed with fetal alcohol syndrome.

12 March 2015 3,807 10 View

How can I optimize QIAamp Fast DNA Stool Mini Kit for RNA isolation?

Hello, I will be using this kit provided by Qiagen for isolation of viral RNA from stool samples. I was wondering if anyone had any input on how to tweak the protocol to allow for efficient...

15 January 2015 7,114 4 View

Any suggestions for a water-immiscible solvent with reasonable SDS solubility?

27 October 2014 5,077 5 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to evaluate unsupervised clustering metrics when some elements do not have a cluster label in the result?

I run algorithms like HDBSCAN and MeanShift, and compare them with K-means and GaussianMixture. The first two algorithms do not return cluster labels for some elements in the dataset. My question...

27 February 2021 428 3 View

How can I stain the somatodendritic part of inhibitory neurons in a hippocampal culture with high specificity?

I would like to distinguish the somatodendritic part of the inhibitory neurons in a hippocampal culture (where we expect to have 5-10% of GABAergic neurons). What are the best antibodies and...

23 February 2021 6,756 1 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

Why anti-CD20 or other antibodies are not used to label target cells in flow cytometry t-cell cytotoxicity assay?

New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...

21 February 2021 3,278 3 View

Does anyone have a working Guanidine Hydrochloride purification protocol for synthesized ssRNA?

I am trying to in vitro transcribe some fluorescein labeled ssRNA. And I want to purify the ssRNA from the free NTPs and the enzymes (RNA polymerase and DNase I). Due to the characteristic of the...

18 February 2021 4,392 4 View

How to validate image labeling quality within dataset?

Hello, it is about creating a dataset for semantic segmentation with three classes. The problem is that one class dominates with >90% and one class is

18 February 2021 4,254 5 View

How to classify and recognize unseen image class in document sorting?

To sort the scanned document image I have to determine the class of document. But no of classes of image will keep on adding even after training. So at time of inference first I will detect unseen...

16 February 2021 4,501 3 View

SPSS: A scale with multiple items (7-point Likert) across 4 test conditions. How can I correctly summarize it?

Hello, I am currently writing my master thesis where I have a 2x2 factorial design with one downstream variable (2 independent and 2 dependent variables). I need to conduct a multivariate...

11 February 2021 6,014 4 View

How the annotations of MIT-BIH Arrhythmia Database can be viewed in MATLAB?

Basically i want all classes of arrhythmia in single .mat file with proper labels. What should i do?

09 February 2021 8,062 2 View