Electrospun polyurethane membranes for Tissue Engineering applications.

Years after the discovery of graphene and carbon nanotubes (CNTs) mechanical engineers, scientists have been figuring out various ways to incorporate these with the resin without forcing the compan...

An Insight into Processing and Properties of Smart Carbon Nanotubes Reinforced Nanocomposites

Although a wide range of separation techniques are used for preparation of radionuclide generators, the low pressure column chromatography technique has dominated the field significantly. In this technique, the adsorbent remains at the ‘heart’ of the system holding the parent radionuclide and this represents the cornerstone for its success. Although this strategy constitutes a successful paradigm for the preparation of radionuclide generators, the limited capacity of conventional adsorbents restricts their applicability for preparation of high activity generators while using low specific activity parent radionuclides. In this direction, the scope of using nanostructured materials in radionuclide generators represents an active area of research. This review is a comprehensive account of the latest research and development activities on the use of nanomaterial-based adsorbents in the development of radionuclide generators. It conveys the importance of nanomaterial-based-adsorbents, which can change the para...

Nanomaterial-Based Adsorbent: Promises, Opportunities, and Challenges to Develop Column Chromatography Radionuclide Generators for Nuclear Medicine

Evolution of cryogenics – A review on applications of cryogenics in medicine

The presented article shows the influence of concentration of perfluoroalkylsilanes in solutions on tribological properties of self-assembled monolayers (SAMs) deposited on three surfaces with different silicon content in the millinewton load range. The SAMs were created using the liquid phase deposition (LPD) method with 1H, 1H, 2H, 2H-perfluorodecyltrichlorosilane (FDTS) and (3, 3, 3-trifluoropropyl) trichlorosilane (FPTS) solutions, for which viscosity and surface tension were estimated. Deposited layers were analyzed in terms of thickness, coverage, wettability, structure and coefficient of friction. The obtained results demonstrated that SAMs created on the silicon-incorporated diamond-like carbon (Si-DLC) coatings possess the best microtribological properties. Systems composed of perfluoroalkylsilane SAM structures deposited on Si-DLC coatings are highly promising candidates as material for microelectromechanical applications.

https://www.mdpi.com/1996-1944/13/15/3357/pdf

The Effect of Physicochemical Properties of Perfluoroalkylsilanes Solutions on Microtribological Features of Created Self-Assembled Monolayers.

Improvements in our understanding of the interactions between implants and cells have directed attention towards nanoscale technologies. To date, nanotechnology has played a helping hand in the development of synthetic artificial organs and regenerative medicine. This includes the production of smart nanocomposite materials; fluorescent nanoparticles like Quantum Dots (QD) and magnetic nano particles (MNP) for stem cell tracking; and carbon nanotubes (CNT) and graphene for enhancement of material properties. The scope of this paper includes the role of nanoparticles in the development of nanomaterials; the chemical surface modifications possible to improve implant function and an overview of the performance of nano-engineered organs thus far. This includes implants developed for aesthetic purposes like nasal and auricular scaffolds, plastic and reconstructive surgical constructs (i.e. dermal grafts), hollow organs for cardiothoracic applications; and last but not least, orthopedic implants. The five-year outlook for nano-enhanced artificial organs is also discussed, highlighting the key research and development areas, available funds and the hurdles we face in accomplishing progression from prototypes on the laboratory bench to off-the-shelf products for the consumer market. Ultimately, this review aims to delineate the advantages of incorporating nanotechnology, as an individual entity or as a part of a construct for the development of tissue engineering scaffolds and/or artificial organs, and unravel the mechanisms of tissue cell-biomaterial interactions at the nanoscale, allowing for better progress in the development and optimization of unique nanoscale surface features for a wide range of applications.

Role of nanotechnology in development of artificial organs.

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Role of nanotechnology in development of artificial organs.