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...

03 April 2019 7,287 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?...

02 March 2019 9,349 7 View

Finite element analysis of depth of cut of water-jet as a function of water velocity?

I want to predict the depth of cut that a submillimeter water-jet cuts in tissue as a function of water velocity with FE modeling. Can anyone help me with correct resources to do it? I am not an...

08 September 2018 8,662 1 View

What are the right tissue properties in needle-tissue interaction?

I am studying the mechanics of needle-tissue interaction for steerable needles. However, I have a question regarding the tissue properties that most people used to model soft tissue. Considering...

07 August 2018 5,362 3 View

Does the pumps show pressure drop in system?

Considering that pumps create flow and not pressure, if a pump runs water through a pipe into the air (high velocity water), is it true to say that: the pressure that pump shows - atm pressure =...

04 May 2018 4,605 5 View

What is the stagnation pressure of a jet of water impinging on a solid in case of pressure loss in pipe?

suppose that we have two pipes with different diameters one after the other. the jet of water coming from the last pipe is impinging on a solid, if we have pressure drop in pipes (I have...

03 April 2018 7,611 11 View

Do i need a bi-directional load cell?

I am using a load cell at the base of the needle to measure the forces on the needle applied from the tissue that the needle is inserted into. However I also want to record data while retracting...

03 April 2018 6,183 2 View

Call for collaboration on a project

I have recently developed a closed form mathematical model for depth of cut of water-jet in soft tissue as a function of tissue parameters (toughness, and constitutive response) as well as...

01 January 1970 2,562 4 View

Publishing with intechopen

01 January 1970 3,216 11 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View