Where can I find a Twitter dataset for Preliminary Flu Outbreak Prediction Using Twitter Posts Classification?

Where can I find a Twitter dataset for Preliminary Flu Outbreak Prediction Using Twitter Posts Classification?

07 December 2020 4,700 2 View

Can a 35-year-old researcher (from Iran) with 4 ISI articles (IF 2, 2, 1, and 0.3) and IELTS score 6.5 find a job as an Assistant Professor?

Hello every one, Can a 35-year-old researcher (from Iran) with 4 ISI articles (IF 2, 2, 1, and 0.3) and IELTS score 6.5 find a job as a postdocs fellow or an Assistant Professor? The field of...

01 October 2020 6,043 3 View

Lower bound of the second smallest eigenvalue of weighted Laplacian matrices?

Hi All, I am looking for a method that provides a lower bound for the second smallest eigenvalue (the Fiedler eigenvalue) of a weighted Laplacian of an undirected and connected graph. I have seen...

10 May 2020 6,220 6 View

Weird and inconsistent result of sheared chromatin on Bioanalyzer (Chip-Seq)?

Hi, I have done sonication on my formaldehyde-fixed samples, using covaris kit. Then I took a bit of sheared chromatin to test the shearing efficiency. To reverse the cross-link I add RNAseA-...

16 January 2020 2,814 2 View

In Normality Test we shoud use items or variables (that are created by using compute command from items)?

In Normality Test we shoud use items or variables (that are created by using compute command from items)?

20 December 2019 1,059 7 View

How can I use ANOVA two way Analysis of Variance in Minitab 2018?

Is there the option of using ANOVA two way Analysis of Variance in Minitab 2018? If the Answer is Yes so how can I use it?

03 August 2019 4,566 3 View

Why is nessesary to standardize to a mean zero and unit variance in my work?

My thesis is about relationship between voluntary disclosure and firm value. to measure voluntary disclosure, I use a weighted index that takes into account importance or usefulness of disclosure...

09 June 2019 221 1 View

Fluid mechanics in a solid channel?

I have a fluid mechanics questions. Suppose that we a submillimeter needle that is already inserted in the soft tissue. water can run through this needle if the pump is on. suppose we turn the...

18 April 2019 2,741 3 View

What does negative shear modulus mean in Ogden fit to data?

I am fitting Ogden model to my stress-stretch ratio data (obtained from compression test). The fit looks good but the predicted shear modulus from ogden fit is negative. Does it have any meaning?...

10 March 2019 7,921 6 View

How to define Anisotropic plasticity in abaqus ?

I am modeling A BEAM-COLUMN connection with timber materials. I have to define plasticity (Hill's Criterion) in axial radial and tangential directions of wood parts. How I can define this...

03 March 2019 6,093 4 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Anyone that can help with details in phosphopeptides enrichment?

Anyone know the amount of protein before enzymatic digestion for phosphopeptides enrichment of serume sample in Ti-IMAC? Has anyone ever use Ti-IMAC(the material is from Chinese company named...

28 February 2021 7,310 3 View

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 3 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

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

Can MicroRNA cross the blood brain barrier?

In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?

24 February 2021 7,064 3 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

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23 February 2021 4,014 3 View

How to reduce static electricity of powder after lyophilization?

I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...

22 February 2021 10,099 5 View