TIET Newsletter
Jun 2019

In this Issue
  • Scientists create 3D printed artificial corneas that are nearly identical to human ones
  • Bioprinter that can print skin to heal wounds
  • TIET Updates

Scientists create 3D printed artificial corneas that are nearly identical to human ones

Eye problems these days have become quite common and corneal damage is one of the big issues that requires attention. In order to deal with this problem, scientists have are working on developing appropriate artificial corneas. Now, researchers have developed novel 3D printed artificial corneas using a bioink which is made of decellularized corneal stroma and stem cells. This new type of artificial cornea is biocompatible with the eye. Furthermore, the 3D cell printing technology allows for a transparency that is impressively similar to the human cornea.

The cornea is complicated to reproduce because of its unique properties. It is the thin outermost layer that covers the pupil. Since it is the first layer that admits light, it needs to be transparent but it also needs to have the flexibility to move as the pupil moves. The human cornea achieves these impressive tasks by being organized in a lattice pattern of collagen fibrils. To replicate this pattern, the research team used the shear stress generated in the 3D printing process. The innovation makes use of the frictional force generated by the 3D printing process.

Bioprinter that can print skin to heal wounds
Bioprinters are gaining popularity especially in medicine where they can be used to print organs. Now scientists have engineered another novel bioprinter that can be used to heal wounds. This device, and first of its kind, could one day be filled with a patient's own cells to print new skin, helping in the healing of large wounds or burns. This is because the bioprinting system allows bi-layered skin to be printed directly into a wound. The unique aspect of this technology is the mobility of the system and the ability to provide on-site management of extensive wounds by scanning and measuring them in order to deposit the cells directly where they are needed to create skin. More importantly, it scans the wound so as to apply the newly-printed skin exactly where it is needed. In essence, the device mimics skin's natural healing but faster and perhaps even more efficiently. If successful, the device would be game-changing for the healing of wounds. Currently, skin grafts are the most popular techniques for treating large wounds, however, they come with many complications. In addition to a lack of availability of skin to harvest there is always the risk donor grafts will be rejected by the patient. Skin grafts also produce a lot of scars. "The technology has the potential to eliminate the need for painful skin grafts that cause further disfigurement for patients suffering from large wounds or burns," said WFIRM Director Anthony Atala, M.D., and a co-author of the paper. The WFIRM bioprinter would use a patient's own cells ensuring they are accepted by the patient's body. Trials thus far have even shown the bioprinting system would even promote further healing.
  • TIET provided corporate training in Revit to TRL.
  • TIET conducted a webinar on BIM for IET partners.
  • TIET launched special courses for K12 schools.
  • TIET completed a project for TRL.
Textbook Overvieww
CADCIM Technologies publishes textbooks on Computer Aided Design, Manufacturing, and Engineering (CAD/CAM/CAE), Civil, GIS, Animation, and Computer Programming software... More

New Releases
CADCIM announces the release of Siemens NX 2019 for Designers, 12th Edition; Exploring Autodesk Revit 2020 for Architecture, 16th Edition; Autodesk Maya 2019: A Comprehensive Guide, 11th Edition; AutoCAD 2020: A Problem-Solving-Approach, Basic and Intermediate, 26th Edition; Autodesk Inventor Professional 2020 for Designers, 20th Edition; Exploring Autodesk Navisworks 2019, 5th Edition; Pixologic ZBrush 2018: A Comprehensive Guide; Exploring AutoCAD Civil 3D 2019, 9th Edition; Exploring Oracle Primavera P6 Professional 18, 3rd Edition; Solid Edge 2019 for Designers, 16th Edition; SOLIDWORKS 2019 for Designers, 17th Edition; CATIA V5-6R2018 for Designers, 16th Edition; Learning SOLIDWORKS 2018: A Project Based Approach; Autodesk 3ds Max 2019: A Comprehensive Guide, 19th Edition; Exploring Autodesk Revit 2019 for MEP, 6th Edition; Creo Parametric 5.0 for Designers, 5th Edition; Exploring Autodesk Revit 2019 for Structure, 9th Edition... More

Upcoming Textbooks
Our team of authors is currently working on the new and latest releases of various software packages and will soon come up with AutoCAD MEP 2020 for Designers, 5th Edition; Exploring Autodesk Revit 2020 for MEP, 7th Edition; Exploring Autodesk Revit 2020 for Structure, 10th Edition;  Autodesk 3ds Max 2020: A Comprehensive Guide, 20th Edition; Exploring Autodesk Revit 2020 for Structure, 10th Edition; AutoCAD Plant 3D 2020 for Designers, 5th Edition; Exploring Autodesk Revit 2020 for MEP, 7th Edition... More

***The news items contained in this newsletter have been compiled from various publications and restructured to make our readers familiar with emerging technologies. TIET does not claim any copyright of these items.

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