What are the best references for an approach to teaching Differential Equations?

Differential equations are known to be potential tools for modeling and predicting recurrent phenomena in time and space, whether simple or more elaborate models. In this sense, how to approach...

18 December 2020 1,750 3 View

Calculation the Pump power needed in a pressurized flow system?

Hi all, I am design now a liquid high pressure flow system to be used up to 50 bar, and I am having some doubts concerning how I can estimate the pump power. Besides the pressure drop in the...

15 December 2020 8,411 1 View

Design of a membrane system to remove CO2 from a flue gas current?

Hi all, I am trying to design a membrane system to remove the CO2 from a flue gas current, and I am having difficulties in finding information. Does anyone have any technical information,...

15 December 2020 3,655 2 View

Best purification method for recombinant protein in BL21?

Hi I need to purify a recombinant protein (IL6 21kDa). It's been produced in E.coli BL21 with a T7 expression vector, but it does not have a tag as yet. I was thinking of adding a his-tag and...

09 December 2020 2,200 8 View

Recombinant Interleukin 6 western blot, non specific bands?

Hi I've been trying to produce some recombinant human Interleukin 6. I sub-cloned the gene for human IL6 into a Promega T7 Flexi vector (native gene no tag yet) and confirmed sequencing and...

09 December 2020 2,340 4 View

How many journal articles should come out of a doctoral thesis?

Is it normal if I publish my doctoral thesis into only one journal article (since my doctoral thesis will be data-heavy and theory-light)? Or are doctoral theses expected to be equivalent to 3-4...

01 December 2020 3,803 14 View

Can the potential of LIPIDMICS improve the diagnosis and understanding of metabolic changes in various neurodegenerative disease (PD, HD, AD, MS, etc?

08 November 2020 7,209 1 View

What pressures should I choose in a reheated rankine cycle?

09 October 2020 9,117 4 View

Can I compare data from ion exchange membranes with data from ion exchange resin when determining nutrient supply rates in soils?

Hi everyone, I am trying to decide if I can compare nutrient supply rates between two different methods of collection. Method A uses ion exchange membranes and method B uses ion exchange resin in...

23 September 2020 4,535 1 View

Why would a validation error (confusion) matrix return null in Google Earth Engine?

I am working on validating a collection of images from a time series in Google Earth Engine and the confusion matrix that results from validation of the trained image v.s. the landcover classes...

09 September 2020 7,246 3 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View

Do I need to introduce HFD to ob/ob mice to obtain a T2DM model?

I am planning to work on T2 diabetic animals and check the efficacy of probiotics. My initial plan is to fed B6 animals with HFD for a while. But now, I have the chance to work on ob/ob mice. My...

18 February 2021 6,896 3 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

ACE2 Blotted as a double band?

Hello, I have recently run a western of Vero cells for ACE2. I detected ACE2 at the correct size, but it presents as a double band. The sample was prepared by lysing cells in 1X Laemmli...

07 February 2021 6,973 3 View

How seniors face covid 19 without fear?

Seniors in the world with diabetics and hypertension and heart diseases are millions ,and they are facing covid.therefore we should give them advices and precausions to face covid 19,this...

26 January 2021 8,349 4 View

How to dissolve Scotch tape to collect the Au particles [analogous to the mechanical exfoliation of graphene]?

Hi everyone, I'm a mechanical person and now may need some help from chemistry experts. My question should be as easy as pie for the chemistry person. I prepared some Au particles in nanoscale...

21 January 2021 2,426 3 View

The First Survey Addressing Patients with BMIs over 50?

Dear Bariatric Surgeons, The importance of obesity management in patients with BMIs over 50 has not been completely addressed and it should be considered separately from patients with morbid...

20 January 2021 2,748 1 View

What is role of chronopharmacology or circadian rhythms in metabolic diseases including obesity, diabetes and cardiovascular diseases?

Chronopharmacology is branch of biological science which deals with daily life, sleep and wake, day and night, feeding and fasting and other effects. we can manage many diseases including...

18 January 2021 9,045 3 View

How commonly do you encounter Rummination Syndrome in your GI practice?

Do diaphragmatic breathing and speech therapy actually help? How often did you require multidisciplinary team approach?

17 January 2021 5,998 0 View