Which air pollution/air quality books do you recommend for working with environmental engineering students?

I am exploring up-to-date books on air pollution and air quality, and I would like to know which books do you recommend for environmental engineering students.

25 January 2021 3,972 7 View

Numerical taxonomy with SPSS?

Hi everyone, I was wondering about the possibilities of performing numerical taxonomy with SPSS software. I would be very thankful to recieve advice!! For now I have been reading about...

12 January 2021 5,549 3 View

I would like. How they can be simulated the deformational processes of valvular aortic stents??

We have a projet about TAVI

22 December 2020 7,729 1 View

Using multiple linear regression to solve a multiple-way ANOVA problem?

Specifically, I want to know if I can use multiple linear regression to predict a response value 'y' from it's associated "treatment" or "group" averages in several variables. Let's say:...

04 November 2020 632 19 View

PRECIPITATION MODELING OF V CARBIDE IN Mn STEEL?

HELLO DEAR COLLEGUES, Is there anybody who have acces to MATCALC software that help me modelling the precipitation phenomena in a medium Mn steel microalloyed with 0.15%wt. of V? The expected...

05 October 2020 5,914 3 View

Is there any research about Psychological Capital as predictor of Career Adaptability among college student?

I'm looking for some research that has the same question, about psychological capital as a predictor of Career Adaptability among college students.

10 September 2020 2,684 3 View

Does the molecular weight of PVP matter in CTAB buffer for DNA and RNA extraction?

I am preparing CTAB buffer and I read that addition of PVP (Polyvinylpyrrolidone) helps to remove phenolic compounds. Most of the times in protocols there is no additional information about...

05 September 2020 7,488 4 View

Why does the 2D peak intensity in a graphene Raman spectrumdecrease with the number of layers?

If we compare a Raman spectrum of monolayer graphene and bilayer or fewlayer graphene, we will see that the 2D peak intensity decreases (relative to the G peak intensity) for the later cases. I...

24 July 2020 907 3 View

One-way ANOVa for non-homogeneous and not normal data?

I have a data set that has 3 groups and a single variable. Under normal circumstances, a one-way ANOVA would be used for comparisons between my three groups. HOWEVER I ran a Shapiro-Wilk test for...

22 July 2020 6,061 7 View

Would anyone recommend me a comprehensive book on Machine Learning using big data and R?

I am an epidemiologist and now diving in the ML technique. I am used to working with R, and even though I have a feeling that most content on ML is broadly available using Python, I would like to...

25 June 2020 4,853 10 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 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

Do head direction cells necessarily encode in an allocentric reference frame?

According to the vertebrate literature, I got the impression that head-direction cells are always anchored to an allocentric reference frame. This can easily be tested with freely moving animals....

27 January 2021 3,821 3 View

Can you apply graph theoratic functional connectivity analysis to study cognitive processes under external stimuli?

Can functional connectivity analysis using Graph Theory (Hub-ness, clustering coefficient, etc) be applied to study cognitive processes? I felt most of the analysis to study the brain after...

25 January 2021 4,575 3 View

My Xenopus oocytes (healthy frogs) explode before I can make any electrophysiological records, why?

Xenopus laevis oocytes are used in electrophysiology to make transient expression of injected mRNA fragments. Through the technique of 2-electrodes voltage-clamp we can record the physiological...

11 January 2021 6,005 4 View

Does Lucifer Yellow interfere with miniEPSC/IPSC recordings?

I want to mark the neurons I am recording from during whole cell Patch clamp. I am thinking of using Lucifer Yellow. Does it increase noise during recording? What are the better alternatives to...

04 January 2021 7,791 3 View

Neural stem cell clumping during cell expansion? differentiation?

Hello, I am currently working towards neuronal differentiation through the use of rNSCs. I keep running into the same problem, cell clumping. The controls (complete media) clump further than the...

04 January 2021 7,756 5 View

Transduction of mouse primary neurons with AAVs, protocol?

Hello there, I am culturing cortical neurons from E17 mice and will need to transduce them on DIV7. Does anyone have a protocol on how to do so best? Any ideas on MOI? Im using CRISPRa plasmids,...

10 December 2020 7,900 2 View

Excitatory / inhibitory ratio caculation ?

Hello everyone, Is it possible to calculate the E/I ratio on single-cell levels only based on miniature signals (Excitatory and inhibitory)? If yes, then what parameters should I take to...

01 December 2020 9,715 3 View

No title

29 November 2020 544 12 View