replacing bone and mimicking their structure for, various applications.
When looking at biological materials, to determine their effectiveness as a scaffold or sufficient structure for various other uses, often they are tested for their resistance to fracture. This is referred to as fracture propagation.
Bamboo is well known for its sufficient mechanical properties, and great flexibility. It also has great fracture toughness. Bamboo is considered to be a bio composite, meaning it encompasses multiple biological features and traits. It has a honeycomb structure of fibers, along with the cellular configuration of a parenchyma ground. Within the bamboo culm, there are hollow vessels that help pass nutrients throughout the plant.
ERRs Gc (i.e. interfacial fracture toughness) of the interface between Cu leadframe and EMC. They were determined by the FEM simulations using the three mentioned methods: VCCT, VCE and J-integral. The verification of simulations was performed using an analytical solution (eq. (6)). Based on the critical ERRs obtained from different specimens tested at different temperatures, the temperature dependence of the interfacial fracture toughness was investigated.
The upper EMC layer of the sample was…
- Contains fibers that bundle and form in a twisted plywood helical structure
The horseshoe crab has a composite of 3 layers:
1) Exterior shell - similar to crab but no mineral phase
2) Intermediate layer – vertical laminate
3) Inner core - open cell foam structure that is hollow in the middle
The sheep crab shell is made of highly dense tubules that help enhance toughness. They also have a high mineral content that is more densely packed to maintain…
detail, and with this detail the transition of that grasping of attention was seen better.
According to Oxford dictionaries, tone is, ”the general character or attitude of a place, piece of writing, situation, etc.”.Soto presents a single tone that is portrayed by the main character, and it is one of toughness. As in, he believes that he is too tough for anything. Many would go as far to say that from the author 's point of view he may be straight forward and to the point, however within the…
Unlike other sports you can literally not be good at wrestling if you are not mentally tough. Now what do I mean by the term mentally tough? Mentally tough means you are able to push past what your mind may be telling you or what your body feels like and is telling you. That even when you have 30 yards left to sprint and your brain and body say you can no longer go you push through and keep going. You rise early to go workout instead of staying in to sleep because you are tired. You do another…
compassion in her own way. No one is entirely one sided - they always are a mix of many traits. Squeaky is no exception. At first glance, she may come across as tough and sassy, but once you get to know her better, she is kind, caring, and compassionate as well.
Squeaky is a great example of a multi-dimensional character - she shows strong signs of compassion and love that shine through her strong armor of confidence and toughness. A quote to show this is taken from the beginning of the…
but actually dreaded, I could not wait for the season to be over. As a young child, I remember begging my parents to let me quit a team. They emphatically replied, “NO!” At first I could not understand why they were torturing me. I hated it. I was miserable. I wanted nothing more than to be done and no matter how loud or obnoxious I was they never gave in. From this early age, my parents began to teach me that playing a sport was more than acquiring wins versus losses. The goals of participating…
Florida State College at Jacksonville
Dr. James Stittsworth
Roher, A. E., Cribbs, D. H., Kim, R. C., Maarouf, C. L., Whiteside, C. M., Kokjohn, T.
A., et al. (2013). Bapineuzumab alters aβ composition: implications for the amyloid cascade hypothesis and anti-amyloid immunotherapy. PLoS ONE, 8(3), e59735. doi:10.1371/journal.pone.0059735
The neurological changes related to Alzheimer's disease (AD) heavily support the amyloid cascade…
Brittle Bone Disease
September 22, 2014
Brittle Bone Disease
Have you ever experienced an accident that resulted in a broken bone? Maybe you fell roller skating or were in an automobile accident. If you answered yes, then you know how painful it can be. Breaking a bone is not only painful, but can also be troublesome and life changing. Breaking a bone can cause one to have restricted range of motion and movement. Each bone in the skeletal system serves a specific…
A fracture is considered compound when the skin is broken and the bone protrudes from the open fracture/wound. There is sometimes considerable soft tissue damage and a higher risk of infection from the open fracture.
Immobilizing the injured leg will help to prevent causing more damage to the soft tissue around the break. Immobilization may also keep from causing injury to the femoral artery which could be fatal. Keeping the femur as still as possible after the break may also help doctors…