Prof. A. Cuneyt Tas Photo

Ph.D. in Materials Science & Engineering, Iowa State University, USA, 1993

Dept. of Biomedical Engineering E-mail: actas@yeditepe.edu.tr or c_tas@hotmail.com

Yeditepe University Phone: +90 216 578 0000 Ext. 3361 (Office) or 3093 (Lab – synthesis)

Istanbul 34755 + 90 216 578 0000 Ext. 3057 (Lab – X-ray diffraction

Turkey Fax: +90 216 578 0400

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* Download resume * X-Ray Diffraction Laboratory

* Journal and Book Cover Images (download photos: 1 & 2)

1. February 2005 / Journal of Materials Science: Materials in Medicine

2. December 2004 / Journal of The American Ceramic Society

3. “Dielectric Ceramic Materials,” Ceramic Transactions, Vol. 100, The American Ceramic Society, 1999

* Award Certificates: links: 1 2 3 @ Clemson University (South Carolina, USA)

* Faculty Awards: links: 1 2 3 @ ODTU (Orta Dogu Teknik Universitesi = Middle East Technical University, Turkey)

* International Journal Papers * Patents * Chapters in Proceeding Books

* International Symposium Talks & Presentations * National Symposium Talks & Presentations

* Supervised Graduate Theses * Powder X-ray Diffraction Patterns * Phase Diagrams * Research Interests

* Work Experience * Awards & Research Funds * Professional Memberships

* Courses Taught * Service * Education

Research Highlights

+ Developed a biomimetic procedure for transforming brushite (DCPD, CaHPO₄×2H₂O) into octacalcium phosphate (OCP, Ca₈(HPO₄)₂(PO₄)₄×5H₂O) in cell culture solutions at 36.5°C

+ Synthesized CaCO₃ – Vaterite biconvex micropills or microtablets Biconvex Micropills of CaCO₃

+ Suggested a practical remedy to the long-persisting and yet unresolved problem of “crack formation” in biomimetic coating (i.e., via synthetic body fluid, SBF) of metallic implant materials

+ Micro and macroporous Calcibon^® Granules for skeletal repair ® Patent & Its Article

+ Production of macroporous calcium phosphate Granules (“Calcibon^® Granules” in clinical use in Europe)

+ Developed the very first and pure, single-phase DCPA (Monetite = CaHPO₄) cement for orthopedic and dental applications

+ A novel class of Rhenanite-apatitic calcium phosphate (NaCaPO₄ - Ap-CaP) nanocomposites

+ Biomimetic synthesis of high surface area, Bone-like Calcium Phosphate nanopowders in (Tas-SBF) Synthetic Body Fluids at 37°C and pH 7.4

+ Biomimetic Coating of Titanium Foams with apatitic calcium phosphate for clinical orthopaedic applications / osteoblast proliferation

+ 10xSBF solutions for the rapid coating of metals, ceramics or polymers

+ Enzyme Urease-containing Urea-SBF media for biomaterials synthesis (pH stabilized at 7.4, 37°C)

+ Comparison of Different SBF Solutions and bone cell response on different coatings

+ A brand-new technique to synthesize nanorods of apatitic calcium phosphates (Ap-CaP) from inexpensive CaP powders: “H₂O₂ solutions at 90°C”

+ Synthesis of Zn-doped Apatitic Calcium Phosphates for skeletal repair and in vitro cell culture tests

+ Development of various self-setting, injectable orthopaedic cements (link 1, link 2, link 3)

+ Synthesis of Whiskers / Nanorods of apatitic calcium phosphate and Osteoblast Proliferation

+ Brushite (CaHPO₄.2H₂O) coating of titanium scaffolds at RT via a novel solution route

+ Synthesis of Na- and K-doped Brushite and its biomimetic conversion to nanoapatites

+ Low-temperature synthesis of TTCP (Ca₄(PO₄)₂O)

+ Robust synthesis of Porous Bioceramics and Scaffolds

+ CaHPO₄ (monetite)-CaSO₄ composite cements for skeletal repair

+ Calcite (CaCO₃)-based Macroporous Calcium Phosphate Cements for skeletal repair

+ Synthesis of Mn-doped ZnGa₂O₄ (zinc gallate) phosphor Nanopowders

+ Preparation of GaO(OH) submicron zeppelins/spindles

+ Synthesis of solid electrolyte / Solid Oxide Fuel Cell (SOFC) ceramics (link 1, link 2, link 3)

+ Low-temperature synthesis (via urea-combustion method) of the binary compounds of the CaO-Al₂O₃ system

+ Hydrothermal synthesis of Dysprosium-doped BaTiO₃ nanopowders

+ Chemical synthesis of CaZrO₃, PbZrO₃, LaAlO₃, and Pb(Zr_0.52Ti_0.48)O₃ powders

Line of Research

* Biomimetic Coating of Carbonated Apatitic Calcium Phosphates on Metallic, Ceramic and Polymeric Surfaces

* Biomimetic Synthesis of Calcium Phosphate-based Biomaterials for Hard Tissue Regeneration

* The Significance of High Surface Area and High Surface Reactivity: Phase Equilibria at the Nanoscale

* Calcium Phosphate-Biopolymer (Collagen, Gelatin, Chitin, Cellulose, Glycans, etc.) Nanocomposites as Bone Substitutes and Periodontal Implants

* Resorbable Calcium Phosphate Cements for Skeletal Repair

* Inorganic Powder and Whisker/Nanorod Synthesis by Wet-chemical Techniques

* In Vitro & In Vivo Testing and Evaluation of Biomaterials

* Response of Biomaterials to the Chosen Conditions/Parameters of In Vitro & In Vivo Testing Media

* Synthesis of Macro- and/or Micro-Porous Materials

* CaCO₃ and its use in bone-substitute materials

* Crystal Chemistry & Rietveld Analysis / Structural Determination by Diffraction Methods

* Dahllite: Ca₃(PO₄)₂·CaCO₃

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* A milestone paper by E. Hayek and H. Newesely: Synthesis of Hydroxyapatite Powders (1961)

* The Whitaker Foundation / Selected Biomedical Engineering or Bioengineering Departments in USA

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Technical articles, interviews and news in Turkish

* CaCO₃ mikrohaplari

* CaCO₃ mikrohaplari-2

* A. C. Tas, “Ortopedik ve Dental Kalsiyum Fosfat Cimentolari,” Gunce, Sayi: 36, Mayis 2007 (TUBA-Turkiye Bilimler Akademisi), Turkce

* A. C. Tas, “Kalsiyum karbonat tozlarinin uretiminde siradisi bir yontem” Cumhuriyet, Bilim-Teknoloji, Yil: 22, Sayi: 1142, Sayfa: 6-7, Subat 2009, Turkce

* A. C. Tas, “7. Cerceve programi’na katilmali miyiz?” Cumhuriyet, Bilim-Teknoloji, Yil: 21, Sayi: 1054, Sayfa: 20, Haziran 2007, Turkce

* A. C. Tas, “AB Cerceve programlarinda Turk degerlendirici var mi?” Cumhuriyet, Bilim-Teknoloji, Yil: 21, Sayi: 1063, Sayfa: 22, Agustos 2007, Turkce

* A. C. Tas, Yeditepe Universitesi, Biyomedikal Muhendisligi Bolumu Tanitim Konusmasi: “Egitim ve Kariyer,” CNN-Turk TV, 15 Temmuz 2008

* A. C. Tas, Yeditepe Universitesi, Biyomedikal Muhendisligi Bolumu Tanitim Konusmasi: “Dogru Tercih,” CNBC-e TV, 16 Temmuz 2008

* A. C. Tas, Yeditepe Universitesi, Biyomedikal Muhendisligi Bolumu Tanitim Konusmasi: “Cevap Anahtari,” SKY-Turk TV, 26 Temmuz 2008

* A. C. Tas, Yeditepe Universitesi, Biyomedikal Muhendisligi Bolumu Tanitim Konusmasi: “Basariya Dogru,” CNN-Turk, 25 Haziran 2009

* A. C. Tas, Yeditepe Universitesi, Biyomedikal Muhendisligi Bolumu Tanitim Konusmasi: “Basariya Dogru,” CNN-Turk, 26 Temmuz 2009

* A. C. Tas, “Gumus nanoparcaciklar tehlikesiz mi?” Cumhuriyet, Bilim-Teknoloji, Yil: 23, Sayi: 1165, Sayfa: 10, Temmuz 2009, Turkce

* Manisa Fen Lisesi’nde konferans (15.04.2010)

* A. C. Tas, Yeditepe Universitesi, Biyomedikal Muhendisligi Bolumu Tanitim Konusmasi: “Basariya Dogru,” CNN-Turk, 5 Temmuz 2010

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Is this an invention?

Then, how could one interpret the below weblinks?

http://en.wikipedia.org/wiki/Brain%E2%80%93computer_interface

http://www.gizmag.com/go/6971/

http://hothardware.com/Articles/OCZ_NIA_BrainComputer_Interface/