Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

How to indicate the degree of litter decomposed by microbes?

Any technique could detect the degree of litter decomposed by microbes? Or any indexes could do this job? I want to split the contribution of microbes during decomposition, so any suggestions...

23 February 2021 1,362 5 View

How to Implement Elastoplasticity in a PCL model in COMSOL Multiphysics?

I am using COMSOL Multiphysics 5.5. I am trying to simulate the tensile test of PCL scaffolds. However, regardless of the strain, I have the elastic region all the time which is not true when it...

23 February 2021 4,050 1 View

Would bisulfide sequencing result be affected if the tissue is fixed by perfusion?

I am looking into DNA methylation of mice as an aging marker along with other assays and recently I added brain IF to the list of assays. For this, I need to fix the brain by transcardial...

09 February 2021 9,012 3 View

Why E1g mode (Molybdenum disulfide) is undetectable in Raman spectroscopy?

I synthesized 1T/2H hybrid phase MoS2 on a graphite foil surface by hydrothermal method, and then analyzed it by Raman spectroscopy. As a result, three new peaks correspond to the 1T phase were...

04 February 2021 6,580 2 View

Can I use 500ng of DNA for restriction digestion?

The recommended amount of DNA for restriction digestion is 1ug in a 50ul rx I've got around 500-600ng of DNA in a total volume of 35ul. Would I get satisfactory results with this amount of DNA for...

31 January 2021 729 6 View

Difficulties purifying Outer Membrane Vesicles using a Sucrose Density Gradient: Unable to detect any protein after this process?

I'm currently trying to purify Outer Membrane Vesicles (OMVs) following their extraction from the bacteria I'm working with. After the initial extraction the concentration of protein seems good...

27 January 2021 6,852 3 View

Cause of blisters in ALD layer at the edge of electrode?

I've encountered a defect during processing that I can't figure out, so I'm hoping I might find some ideas here. My mask design is a microelectrode array, with 60 microelectrodes with diameter...

19 January 2021 665 1 View

Where can I find these two papers?

14 January 2021 1,572 3 View

Is this grounds for theophylline toxicity even though her plasma is within the therapeutic range? if it is, how is that possible?

A patient was given 300 mg Theophylline taken twice a day for the treatment of her bronchial asthma and has a positive clinical response. She has been compliant in taking her medication however,...

09 February 2021 3,489 3 View

Are the mice expected to develop obvious airway disease after HDM? Will they have signs of respiratory distress at any time during the study?

I am developing model of asthma in mice using HDM. I was asked this question in order to submit the a protocol for developing a disease in animals. Searching in the literature, I can not find any...

30 December 2020 6,455 3 View

Can anyone help me with the protocol of intranasal administration to mice ?

i wanna administer cigarette smoke extract to induce emphysema in mice, i am asking for the maximum volume of intranasal administration ? can i use ether or chlorofom to anesthetize mice?

10 December 2020 6,319 4 View

Are there any sample interview questionnaires available related to smoking cessation mothed ?

I am looking for sample interview questions for research study about smoking cessation in hospitalized patient qualitative study data collection will be interview mothed

15 November 2020 3,782 4 View

How do I test for gender differences in Spearman rho correlations?

I want to explore if there is a gender difference in a correlation between two ordinal items. I have calculated spearman rho within gender for the items, but I now need to test if the correlation...

09 October 2020 970 13 View

Not able to find proper journal for publishing review article?

i have written a review paper on topic covid-19 and smoking explaining the underlying mechanism why smokers are more prone and higher severity in them but not finding a journal for publication...

20 September 2020 7,255 3 View

How can I calculate sample size for a cross sectional comparative study?

I'm doing a study on comparing the prevalence and severity of extrapyramidal side effects between patients with schizophrenia who smoke tobacco and who don't. How can I determine the sample sizes...

15 September 2020 4,322 3 View

What are the effects of gender of performer on animal?

I remember a paper studied the effects of gender of handler on animal (mouse?) showing that male handler has more negative effects on animal (for example, causing animal anxious) compared to...

05 August 2020 4,131 1 View

Which category should be my reference in logistic regression?

I'm studying the effect of an ordinal variable (eating healthy food [Rarely, Sometimes, Mostly, Always] as an example) on a binary outcome (Smoking [Yes, No] for example) My question is, which...

01 August 2020 8,928 5 View

Where can I find some open source big data about prediction of asthma through the symptoms?

By extracting the clinical terms from the prescription which basically depends on the symptoms of Asthma diseases and apply the machine learning algorithm for prediction of diseases

24 July 2020 8,892 3 View