research

Tropocollagen types I and III were simultaneously fibrilized in vitro, and the differences between the geometric and mechanical properties of the heterotypic fibrils with different mixing ratios of tropocollagen III to I were investigated. Transmission electron microscopy was used to confirm the simultaneous presence of both tropocollagen types within the heterotypic fibrils. The incorporation of collagen III in I caused the fibrils to be thinner with a shorter D-banding than pure collagen I.

Dear engineers and scientists,

Measuring and artificially producing hydroxyl radicals is relatively new research with great challenges due to short half life. I have asked this question on many forums to gather as much information as I can and my question is:

How can we measure hydroxyl radical concentration? I am only interested in airborne concentration, hydroxyls in water and cells are not relevant to my research.

Position Description: 

A postdoctoral associate/research scientist position in the area of advanced synthesis and characterization of materials and nanocomposites is available at Rice University. The successful candidates will work in a highly inter-disciplinary and stimulating environment.

Job Duties and Responsibilities: 

We've recently published an extensive review of the state-of-the-art in modelling and simulation for wind energy. The paper is open access for a limited time and can be found online at the link below.

Hewitt, S; Margetts L and Revell A, "Building a digital wind farm", Archives in Computational Methods in Engineering, 2017.

Dear iMechanica Community,

I'd like to ask for advice on modelling reflection and transmission coefficients when two bars with different cross-sectional areas contact each other and are exposed to pulse loading.

I have modelled this process in Abaqus/Explicit as a two-dimensional simulation. The investigation was conveniently done as a parametric study, defining the lateral dimension as parameter. Both bars are slim (length 2 m, diameter 2 cm) and elastic.