Where can I find information about contractual practices that stimulate performance in urban transport by bus?

I would like to learn more about the contract design of urban transport by bus that stimulate competition and better performance. Among the elements that I would like to learn more about...

02 April 2019 7,562 1 View

What is the reason for the wide price range of Carbon Nanotubes? How to assess the quality of CNTs?

Suppliers of carbon nanotubes (SWCNT, DWCNT, MWCNT) provide very different quotes for their product which, at an industrial level, should be related with their quality: - How to assess the quality...

05 December 2018 5,514 3 View

Could someone please help me identify autofluorescent structures in salamander embryos?

Hello, I have fixed and obtained frozen sections of salamander embryos for fluorescence microscopy. The sections are 8um thick and the embryo used for the attached images was kidney bean shaped...

13 February 2017 7,604 1 View

Is there a way to shake E.coli cells in an incubator when it is not a shaker-incubator or it having shaking capabilities? Cheers in advance.

My protocol says to grow the bacteria at 12 degrees Celsius for 12-16 hours with vigorous shaking. I understand that the shaking allows for increased access of oxygen and nutrients for the cells....

23 April 2016 5,397 5 View

Protocol for Immuno TEM?

Hello everyone,I am gearing up to prepare my first ImmunoTEM samples via a pre-embedding protocol. The samples are isolated mouse sperm. I searched the literature and I am gathering bits and...

03 March 2016 9,794 5 View

Is it correct to affirm that pure Al has better fatigue behavior/fracture toughness than common commercial Al alloys like 2024, 6061 and 7075?

20 February 2015 3,662 5 View

Has anybody worked with upright microscopes for whole cell patch clamp experiments?

I have read that upright microscopes are normally used for slices recordings. But I need the set up for whole cell experiments. My problem comes when I try to approach the pipette to the cell. I...

10 November 2014 744 9 View

Long-lasting non-toxic dye injection in the brain

I am doing virus (AAV vectors) injection in deep brain structures (100~200 nl) of mice and I would like to simultaneously inject a dye or a colorant that is non-toxic (as much as possible...

13 January 2013 1,618 30 View

What is the problem in these simulations of the generation of katabatic winds using CFD software?

We are conducting a study on katabatic winds. We are trying to simulate the generation of this kind of winds using CFD software (mainly ANSYS-Fluent) but we have not been able to obtain any...

01 January 1970 9,748 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View