Essays on Tissue Engineering

Biomedical engineering is a discipline that encompasses engineering field and medical field in order to solve pertinent problems. It bridges the gap between medicine and engineering. The products of this endeavour include the design and development of therapeutic and diagnostic devices, prostheses, imaging equipment such as Magnetic Resonance Imaging (MRI) etc. The field of biomedical engineering thus has three main specialization areas which are (i) biomechanics, (ii) tissue and cellular engineering and (iii) imaging. These specialization areas are explained further in the following sections of this paper. i. Biomechanics Biomechanics is the study of mechanics in the human body ( ...

Biomedical engineering can be described as the application of engineering techniques and principles to medicine. It is a combination of expertise in medicine, human biology and engineering in the development of techniques and technologies for patient care and healthcare. According to Monzon (277), biomedical engineering is yet to be formally recognized as a profession due to its multi and interdisciplinary nature. As a result, currently there is no distinct field that addresses biomedical engineering ethics. The ethical obligations of biomedical engineers are a combination of both those of medical professionals and engineers. By studying three fields of biomedical engineering, one is able to ...

B1.Nowadays the development of a culturing technique to populate scaffolds is the greatest challenge in the field of tissue engineering. In this work, it will be shown how the spinner flask dynamic cell cultures should be used to populate hydroxyapatite microcarriers (HA-MC) for bone tissue engineering [B1].

Introduction:

B3 In bone tissue engineering, the most widely used scaffold materials is Calcium phosphate ceramics (e.g., hydroxyapatite and tricalcium phosphate), and that due to their special properties, they are osteoinductive and osteoconductive [1–4]. B2 So far a vast variety of shapes and sizes have been developed, and it’s proved that the ...

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Introduction Originally, 3D printing technologies were designed for nonbiological materials, such as metals, ceramics and thermoplastic polymers (Murphy and Atala 6). However, recent advances have enabled 3D printing of biocompatible materials, cells, and supporting components into complex 3D functional living tissues, giving rise to a new technology referred to as ‘3D Bioprinting.’ However, unlike non-biological 3D printing, it involves important complexities, such as choice of materials, cell types, growth and differentiation factors, and technical challenges related to the sensitivities of living cells and the construction of tissues (Murphy and Atala 1). Overall, 3D ...

Biosensors emerged as an important technology that has gained much attention in different fields of study. Biosensor is "a self-contained analytical device that combines the biological component with a physicochemical component for the detection of an analyte of biological importance." (Hasan et al. 2014). Perumal & Hashim (2013) defined it according to IUPAC recommendation of 1999, which states that a biosensor is, "an independently integrated receptor transducer device, which is capable of providing selective quantitative or semi-quantitative analytical information using a biological recognition element."The application of nanobiotechnology in the production of biosensors and various other applications is one of the most revolutionary trends ...

Medical technology is greatly improving and would soon enter the stage where we do not need to regularly inject insulin or use finger prick blood tests to monitor diabetes. The advancement in the field of biosensors will open up a whole lot of opportunities. One of them is the efficient monitoring of the blood sugar levels with a small sensor implanted under the skin. Such devices can also release insulin when needed and also communicate the details to a smartphone connected to them (Coleiro, 2013). Biosensors have not only its application in diabetes monitoring. It exhibits state of art applications in a number ...

Tissue engineering, when applied to focus on bone biology, is referred to as bone tissue engineering (BTE), and it involves understanding the structure, mechanics, and the formation of bone tissues. The main aim of BTE is to induce the formation of new and functional bone tissues (Gothard et al.). In this case, to successfully repair, regenerate or replace bone and joint tissues, knowledge on bone biology and bone development is crucial (Amini, Laurencin and Nukavarapu). BTE has however proven to be a challenging emergent field for researchers and clinicians due to autograft and allograft failures in numerous pathological conditions. ...

Abstract

The number of people being affected by various diseases that require them to have organ transplants increases every day. Meanwhile, the amount of donated organs is extremely insufficient to meet the high demand. There is also the problem of finding a donor match for a recipient and the need to take strong medications that suppress the immune system of the recipient so that the transplanted organ is not rejected. A solution to these problems has been and is still being developed, with laboratory-grown organs holding much promise. These organs can be tailor-made using the patient’s own cells or other cell sources, ...

Introduction

Orthopedics refers to the branch of surgery devoted to the diagnosis and treatment of illness, injuries malformations and deformities of the musculoskeletal system (Goriainov et al. 2014). The system includes the muscles, ligaments, tendons, joints and bones. Orthopedic engineering leverages biomaterials in the form of implants such as sutures, joint replacements, bone plates and so forth. It also deals medical devices to replace damaged and defective parts of the body (Goriainov et al. 2014,"Material, Technology and Profit” 1988). Biomaterial is termed as "Any substance (other than drug) or combination of substances, synthetic or natural in origin, which ...

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Introduction

What is the meaning of the word “Print? And why is it believed that it is the key to open paths to our futuristic views. As humans how do we savor a moment in the past? How do we tell those who come after us what happened in our age? How do we preserve our heritage and culture in a way that we ensure is not lost within the threads of time? Humans concluded that that way is printing. Whether it was carved on wood, metal, transferred by pressure to parchment or vellum, rolled with ink or paint. The ...

Discuss polymers and its application to medicine

Discuss polymers and its application to medicine. The global population is rapidly increasing thus there is an increase in health care demand to the ill and those ageing. Technological development in the field of medicine using polymers has advanced with creation of new treatment drugs and improved diagnosis. Polymers are composed of large self repeated molecules known as monomers (Förster, Leonhardi, Zöllner, & Zahn, 1975). Being synthetic and natural, the paper shall discuss the polymers and their applications in the field of medicine. Polymers that get degraded in biological environment such as soil, river and the ...

1. Introduction Nano is derived from the Greek word, Nanos, meaning extremely small. Nanotechnology, as the name indicates, is the science and technology of preparation, characterization and application of matter in the size range of a billionth of a meter (1 x 10-9). Nanotechnology can be used to manipulate atoms and molecules, creating new materials and machines with greatly improved qualities as compared to those of their precursor materials. This is achieved by constructing layers of atoms or molecules through various fabrication methods such as solution processing, melt processing, in-situ deposition etc. In addition to functioning as nano-scale devices, nanoparticles ...