PUBLICATIONS AND PATENTS

 

Average Journal Impact-Factor: 8.5, Citations per Paper > 55
Total Citations > 3800, SCI-Publications = 53, Patents = 14, Book Chapters = 2, H-index: 24

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2019

69. H. Usta*, D. Alimli, R. Ozdemir, E. Tekin, R. Kacar, A. G. Altas, F. Alkan, S. Dabak, A. G. Gürek, A. Can "Solution Processed Green Electroluminescence Based on an Oligo(p-phenyleneethynylene) Small Molecule" 2019, To be Submitted.

68. R. Ozdemir, K. Ahn, İ. Deneme,Y. Zorlu, M.-G.Kim*, H. Usta* "Engineering Highly Soluble Low LUMO [1]Benzothieno[3,2-b][1]benzothiophenes (BTBTs): Intramolecular Twists Governing Electronic Properties" 2019, To be Submitted.

67. G. Demirel*, R. L. Gieseking, R. Özdemir, S. Kahmann, M. A. Loi,* G. C. Schatz*, A. Facchetti*, H. Usta* "Molecular Engineering of Organic Semiconductors Enables Noble Metal-Comparable SERS Enhancement and Sensitivity" Nature Communications, 2019, Accepted, In Press. (IF = 11.9)

66. H. Usta*, D. Alimli, R. Ozdemir, S. Dabak, Y. Zorlu, F. Alkan, E. Tekin, A. Can "Highly Efficient Deep-Blue Electroluminescence Based on a Solution-Processable A-π-D-π-A Oligo(p-phenyleneethynylene) Small Molecule" ACS Applied Materials & Interfaces, 2019, Accepted, In Press (DOI = 10.1021/acsami.9b12971). (IF = 8.5) [Link] (Selected as the front cover) 

65. H. Usta*, D. Kim, R. Özdemir, Y. Zorlu, S. Kim, M. C. R. Delgado, A. Harbuzaru, S. Kim, G. Demirel, J. Hong, Y.-G. Ha, K. Cho, A. Facchetti*, M.-G. Kim* "High Electron Mobility in [1]Benzothieno[3,2-b][1]benzothiophene (BTBT)-Based Field-Effect Transistors: Toward N-Type BTBTs" Chemistry of Materials, 2019, 31, 5254-5263. (IF = 10.2) (Selected as the cover) [Link]

64. E. Ozcan, M. Özdemir, D. Ho, Y. Zorlu, R. Özdemir, C. Kim*, H. Usta*, B. Cosut*  "Solution-Processable Meso-Phenyl BODIPY-Based N-Channel Semiconductor with Enhanced Fluorescence Emission" ChemPlusChem (Wiley), 2019, 84, 1423-1431. (IF = 3.4) (Selected as the cover and published in the Special Issue: π-Conjugated (Macro)molecules and their Applications) [Link]

63. V. Figa*, H. Usta*, R. Macaluso, U. Salzner, M. Ozdemir, B. Kulyk, O. Krupka, M. Bruno "Electrochemical polymerization of ambipolar carbonyl-functionalized indenofluorene with memristive properties" Optical Materials (Elsevier), 2019, 94, 187-195. (IF =2.7) [Link]

62. X. Liu, I. Balla, V. K. Sangwan, H. Usta, A. Facchetti, T. J. Marks, and M. C. Hersam* "Ultrahigh Vacuum Self-Assembly of Rotationally Commensurate C8-BTBT/MoS2/Graphene MixedDimensional Heterostructures" Chemistry of Materials, 2019, 31, 1761–1766. (IF = 10.2) [Link]

61. D. Ho, R. Ozdemir, H. Kim, T. Earmme,  H. Usta*, C. Kim* "Recent Developments in BODIPY-Based Semiconducting Materials for Organic Bulk Heterojunction Photovoltaics and Thin-Film Transistors", ChemPlusChem (Wiley), 2019, 1, 18-37.(IF = 3.4) [Link]

2018

60. R. Özdemir, S. Park, İ. Deneme, Y. Park, Y. Zorlu, H. A. Alidağı, K. Harmandar, C. Kim*, H. Usta* "Triisopropylsilylethynyl-Substituted Indenofluorenes: Carbonyl versus Dicyanovinylene Functionalization in One-Dimensional Molecular Crystals and Solution-Processed N-Channel OFETs" Organic Chemistry Frontiers (RSC), 2018, 5, 2912-2924.  (IF = 5.5) (Selected as the Cover) [Link]

         

59. "Organik Işık-Yayan Diyot Uygulamalarında Kullanılmaya Uygun olan Siyano ile Türevlendirilmiş Oligofenilasetilen Temelli Floresan Küçük Moleküller ve OLED Uygulamalarında Kullanımı" World Intellectual Property Organization:WIPO-PCT, 2019, Başvuru No: PCT/IB2019/054513.

58.  H. Usta, D. Boudinet, J. Quinn, A. Facchetti, US Patent, 2018, US9911927B2, Granted. [Link]

57. G. Demirel*, H. Usta*, M. Yilmaz, M. Celik, H. A. Alidağı, F. Buyukserin "Surface-Enhanced Raman Spectroscopy (SERS): An adventure from plasmonic metals to organic semiconductors as SERS Platform" Journal of Materials Chemistry C, 2018, 6, 5314-5335. [Link] (IF = 6.0)

56. M. Ozdemir, S. W. Kim, H. Kim, M.-G. Kim, B. J. Kim*, C. Kim*, H. Usta* "Semiconducting Copolymers based on meso-Substituted BODIPY for Inverted Organic Solar Cells and Field-Effect Transistors" Advanced Electronic Materials, 2018, 4, 1700354. (IF = 5.5) (Selected as the cover and published in the Special Issue: New Materials for Organic Electronics) [Link]

 

Highlighted in Wiley-Hot Topic: Solar Cells

55. M. A. Khalily, H. Usta*, M. Ozdemir, G. Bakan, F. Dikecoglu, C. Edwards-Gayle, J. A. Hutchinson, I. W. Hamley, M. O. Guler* "Design and Fabrication of Supramolecular Semiconductor Nanowires Formed by Benzothienobenzothiophene (BTBT)-Conjugated Peptides" Nanoscale (RSC), 2018, 10, 9987-9995. [Link] (IF = 7.2)

54. B. D. Choi, J. Park, K.-J. Baeg, M. Kang, J. S. Heo, S. Kim, J. Won, S. Yu, K.-H. Ahn, T. H. Lee, J. Hong, D.-Y. Kim, H. Usta, C. Kim, S. K. Park, M.-G. Kim* "Optimized Activation of Solution-Processed Amorphous Oxide Semiconductors for Flexible Transparent Conductive Electrodes" Advanced Electronic Materials, 2018, 4, 1700386. [Link] (IF = 5.5)

 

2017
 

53. A. Facchetti, H. Usta, M. Denti, V. Biondo, C. Soldano, M. Muccini, US Patent, 2017, US9825261B2, Granted. [Link]

52. V. Biondo, G. Generali, A.Stefani, M. Muccini, M. Denti, H. Usta, A. Facchetti, US Patent, 2017, US20170237042A1, Application. [Link]

51. M. Yilmaz, E. Babur, M. Özdemir, R. L. Gieseking, Y. Dede, U. Tamer, G. C. Schatz,* A. Facchetti,* H. Usta,* G. Demirel* "Nanostructured organic semiconductor films for molecular detection with surface-enhanced Raman spectroscopy" Nature Materials, 2017, 16, 918–924. (IF = 38.89) (Highlighted on the cover) [Link]
 

This work is highlighted by C&EN News and Nature Materials News-Views
 

50. M. Yilmaz, M. Erkartal, M. Özdemir, Ü. Şen, H. Usta,* G. Demirel* "Three Dimensional Au-Coated Electrosprayed Nanostructured BODIPY Films on Aluminum Foil as Surface-Enhanced Raman Scattering Platforms and Their Catalytic Applications" ACS Applied Materials & Interfaces, 2017, 9, 18199–18206. (IF = 8.1) [Link]

49. R. Ozdemir, D. Choi, M. Ozdemir, G. Kwon, H. Kim, U. Sen, C. Kim*, H. Usta* “Design, Synthesis, and Characterization of Ultralow Bandgap Molecular Semiconductors for Ambient-Stable and Solution-Processable Ambipolar Organic Field-Effect Transistors” Journal of Materials Chemistry C, 2017, 5, 2368-2379. (IF = 6.0) [Link]

48. M. Ozdemir, D. Choi, Y. Zorlu, B. Cosut, H. Kim, C. Kim*, H. Usta* "A New Rod-Shaped BODIPY-Acetylene Molecule for Solution-Processed Semiconducting Microribbons in N-Channel Organic Field-Effect Transistors" 2017, New Journal of Chemistry (RSC), 2017, 41, 6232-6240. (IF = 3.28) [Link]
 

47. M. Erkartal, U. Erkilic, B. Tam, H. Usta, O. Yazaydin*, J. T. Hupp*, O. K. Farha*, U. Sen* "From 2-methylimidazole to 1,2,3-triazole: A topological transformation of ZIF-8 and ZIF-67 by bridging ligand replacement" Chemical Communications, 2017, 53, 2028-2031. (IF = 6.57) [Link]

46. R. Ozdemir, D. Choi, M. Ozdemir, H. Kim, S. T. Kostakoğlu, M. Erkartal, H. Kim, C. Kim*, H. Usta* "Liquid-Crystalline Semiconductor Molecule with a low-LUMO for Air-Stable and Solution-Processed N-Channel Field-Effect Transistors" ChemPhysChem (Wiley), 2017, 18, 850–861. (IF = 3.14) [Link]

45. A. Tataroğlu, A. G. Al-Sehemi, M. Özdemir, R. Özdemir, H. Usta, A. A. Al-Ghamdi, W. A. Farooq, F. Yakuphanoglu* "Frequency and electric field controllable photodevice: Fytronix Device" Physica B: Condensed Matter (Elsevier), 2017, 519, 53-58. (IF =1.39) [Link]

44. R. Liguori, H. Usta, S. Fusco, A. Facchetti, G. D. Licciardo, L. Di Benedetto, A. Rubino, "Insights into Interface Treatments in P-Channel Organic Thin Film Transistors Based on a Novel Molecular Semiconductor" IEEE Transactions on Electron Devices, 2017, 64, 1-7. (IF = 2.21) [Link]

43. K. Kim, Y. Kim, J. Yang, K. Ha, H. Usta, J. Lee, C. Kim*, "Enhanced mass transfer rate and solubility of methane via addition of alcohols for Methylosinus trichosporium OB3b fermentation" Journal of Industrial and Engineering Chemistry (Elsevier), 2017, 46, 350–355. (IF = 4.18)  [Link]

2016

42. H. Usta, M. Denti, Chris Sheets, A. Facchetti, US Patent, 2016, US9312501B2, Granted. [Link]

41. R.O. Ocaya, M. Ozdemir, R. Ozdemir, A. Al-Ghamdi, H. Usta, W.A. Farooq, F. Yakuphanoglu* "Ambipolar Small Molecular Semiconductor-Based Heterojunction Diode" Synthetic Metals, 2016, 221, 48–54. (IF = 2.30) [Link]

40. M. Ozdemir, D. Choi, G. Kwon, Y. Zorlu, B. Cosut, H. Kim, A. Facchetti*, C. Kim*, H. Usta* "Solution-Processable BODIPY-Based Small Molecules for Semiconducting Microfibers in Organic Thin-Film Transistors" ACS Applied Materials & Interfaces,  2016, 8, 14077–14087. (IF = 8.1) [Link]

39. N. Azum*, L. A. Taib, Y. M. Al Angari, A. M. Asiri, M. Denti, W. Zhao, H. Usta*, A. Facchetti* "π-Conjugated Donor-Acceptor Small Molecule Thin-films on Gold Electrodes for Reducing the Metal Work-Function" Thin Solid Films (Elsevier),  2016, 616, 320–327. (IF = 1.76) [Link]

38. M. Erkartal, A. Aslan, S. Dadi, U. Erkilic, O. Yazaydin, H. Usta, U. Sen* "Anhydrous Proton Conducting poly(vinyl alcohol) (PVA)/ poly(2-acrylamido-2-methylpropane sulfonic acid) (PAMPS)/1,2,4-Triazole Composite Membrane" International Journal of Hydrogen Energy, 2016, 41, 11321–11330. (IF = 3.20)  Link

37. G.-S. Ryu, Z. Chen, H. Usta*, Y-Y. Noh*, A. Facchetti* "NaphthaleneDiimide-Based Polymeric Semiconductors. Effect of Chlorine Incorporation and n-Channel Transistors Operating in Water" MRS Communications (Cambridge Journals), 2016, 6, 47-60. (IF = 1.80) [Link]

36. M. Ozdemir, D. Choi, G. Kwon, Y. Zorlu, H. Kim, M.-G. Kim, S.Y. Seo, U. Sen, M. Citir, C. Kim*, H. Usta* "Design, Synthesis, and Characterization of α,ω-Disubstituted Indeno[1,2-b]fluorene-6,12-dione-Thiophene Molecular Semiconductors. Enhancement of Ambipolar Charge Transport Through Synthetic Tailoring of Alkyl Substituents" RSC Advances, 2016, 6, 212-226. (IF = 3.29) [Link]

35. M. Erkartal, H. Usta, M. Citir, U. Sen* "Proton Conducting Poly(vinyl alcohol) (PVA)/ Poly(2-acrylamido-2-methylpropane sulfonic acid)  (PAMPS)/ Zeolitic Imidazolate Framework-8 (ZIF-8) Ternary Composite Membrane" Journal of Membrane Science, 2016, 499, 156-163. (IF = 5.56)  [Link]

2015

34. A. Facchetti, H. Usta, J. Wang, C. Huang, M. Denti, C. Newman, US Patent, 2015, US9067886B2, Granted. [Link]

33. E. Elgazzar, M. Özdemir, H. Usta, A. A. Al-Ghamdi, A. Dere, F. El-Tantawy, F. Yakuphanoglu* "Logarithmic Organic Photodetectors" Synthetic Metals, 2015, 210, 288–296. (IF = 2.30) [Link]

 

32. M. Ozdemir, S. Genc, R. Ozdemir, Y. Altintas, M. Citir, U. Sen, E. Mutlugun,* H. Usta* "Cis-Trans Isomerization Assisted Synthesis of Yellow Fluorescent Maleic Anhydride Derivatives for White-Light Generation" Synthetic Metals, 2015, 210, 192–200. (IF = 2.30) [Link]

31. M. Yilmaz, M. Ozdemir, H. Erdogan, U. Tamer, U. Sen, A. Facchetti*, H. Usta*, G. Demirel* "Micro-/Nano-Structured Highly Crystalline Organic Semiconductor Films for Surface-Enhanced Raman Spectroscopy Applications" Advanced Functional Materials, 2015, 25, 5669–5676. (IF = 11.38) [Link] 
 

30.  V. Figà, C. Chiappara, F. Ferrante, M. P. Casaletto, F. Principato, Z. Chen, H. Usta, A. Facchetti,* B. Pignataro* "Symmetric Naphthalenediimidequaterthiophenes for Electropolymerized Electrochromic Thin Films" Journal of Materials Chemistry C, 2015, 3, 5985-5994. (IF = 5.07) [Link]

29. A. Canlier,* U. V. Ucak, H. Usta, C. Chob, J.-Y. Leeb, U. Sen, M. Citir “Development of Highly Transparent Pd-Coated Ag Nanowire Electrode for Displays and Catalysis Applications” Applied Surface Science (Elsevier), 2015, 350, 79-86. (IF = 3.15) [Link]
 

28. U. Sen,* H. Usta,* O. Acar, M. Citir, A. Canlier, A. Bozkurt, A. Ata "Enhancement of High-Temperature Proton Conductivity of Poly(vinylphosphonic acid) (PVPA)-Poly(2,5-benzimidazole) (ABPBI) Membranes via In-Situ Polymerization" Macromolecular Chemistry and Physics (Wiley), 2015, 216, 106-112. (IF = 2.50) [Link]

 

27. F. Loffredo, I. A. Grimaldi, R. Miscioscia, G. Nenna, F. Villani, C. Minarini, M. Petrosino, A. Rubino, H. Usta, A. Facchetti " Photosensing properties of pentacene OFETs based on a novel PMMA copolymer gate dielectric" Journal of Display Technology (IEEE), 2015, 11, 533-540. (IF = 1.92) [Link] 

 

 

2014

26. A. Facchetti, H. Usta, H. Pan, M. Drees, M. Denti, US Patent, 2014, US8883958B2, Granted. [Link]

25. Z. Zhu, H. Pan, M. Drees, H. Usta, S. Lu, A. Facchetti, US Patent, 2014, US8772442B2, Granted. [Link]

24. H. Usta, P. Tan, Y. Xia, Z. Chen, Y. Zheng, A. Facchetti, US Patent, 2014, US8878169B2, Granted.  [Link]

23. H. Usta,* C. Sheets, M. Denti, G. Generali, R. Capelli, S. Lu, X. Yu, M. Muccini,* A. Facchetti* “Perfluoroalkyl-Functionalized Thiazole-Thiophene Oligomers as N-Channel Semiconductors in Organic Field-Effect and Light-Emitting Transistors" Chemistry of Materials, 2014, 26, 6542–6556. (IF = 9.41) [Link] 

22. S. Fabiano, H. Usta, R. Forchheimer, X. Crispin, A. Facchetti,* M. Berggren* "Selective Remanent Ambipolar Charge Transport in Polymeric Field-Effect Transistors For High- Performance Logic Circuits Fabricated in Ambient" Advanced Materials, 2014, 26, 7438-7443. (IF = 18.96) [Link]

PRIOR TO AGU PUBLICATIONS

2013

21.  A. Facchetti, Z. Chen, H. Usta, C. Newman, H. Yan, US Patent, 2013, US8598575B2, Granted. [Link]

20. J. Quinn, Y. Zheng, Z. Chen, H. Usta, C. Newman, H. Yan, A. Facchetti, US Patent, 2013, US8440828B2, Granted. [Link]

19. H. Usta,* M. D. Yilmaz, A.-J. Avestro, D. Boudinet, M. Denti, W. Zhao, J. F. Stoddart,* A. Facchetti* “BODIPY–Thiophene Copolymers as p-Channel Semiconductors for Organic Thin-Film Transistors" Advanced Materials, 2013, 25, 4327-4334. (IF = 18.96) (Published in the "Special Issue: Organic and Hybrid Materials for Flexible Electronics") [Link]

18. X. Guo, J. Quinn, Z. Chen, H. Usta, Y. Zheng, Y. Xia, J. W. Hennek, R. P. Ortiz, T. J. Marks,* A. Facchetti* "Dialkoxybithiazole: A New Building Block for Head-to-Head Polymer Semiconductors" Journal of the American Chemical Society, 2013, 135, 1986-1996. (IF = 13.04) [Link]

17. S. Lu,* M. Drees, Y. Yao, D. Boudinet, H. Yan, H. Pan, J. Wang, Y. Li, H. Usta, A. Facchetti* "3,6-Dithiophen-2-yl-1,4-dihydropyrrolo[3,2-b]pyrrole-2,5-dione (isoDPPT) as an Acceptor Building Block for Opto-Electronics"  Macromolecules, 2013, 46, 3895-3906. (IF = 5.55) [Link]

16. H. Ceylan, C. Ozgit-Akgun, T. S. Erkal, I. Donmez, R. Garifullin, A. B. Tekinay, H. Usta, N. Biyikli,* M.O. Guler* "Size-Controlled Conformal Nanofabrication of Biotemplated Three-Dimensional TiO2 and ZnO Nanonetworks"  Scientific Reports, 2013, 3, 2306. (IF = 5.23) [Link]

2012

15. H. Usta, Z. Chen, A. Facchetti, US Patent, 2012, US8329855B2, Granted. [Link]

14. H. Usta,* C. Newman, Z. Chen, A. Facchetti* “Dithienocoronenediimide-Based Copolymers as Novel Ambipolar Semiconductors for Organic Thin Film Transistors” Advanced Materials, 2012, 24, 3678-3684. (IF = 18.96) [Link] (Selected in Top 40 Articles by "Materials Views", Wiley-VCH, June 19, 2012)

13. H. Huang, Z. Chen, R. P. Ortiz, C. Newman, H. Usta, S. J. Lou, J. Youn, Y.-Y. Noh, K.-J. Baeg, L. X. Chen, A. Facchetti,* T. J. Marks* "Combining Electron-Neutral Building Blocks with Intramolecular “Conformational Locks” Affords Stable, High-Mobility P- and N-Channel Polymer Semiconductors"  Journal of the American Chemical Society, 2012, 134, 10966-10973. (IF = 13.04)  [Link]

12. H. Usta, Z. Wang, C. Kim, H. Huang, S. Lu, A. Facchetti,* T. J. Marks* “Anthracenedicarboximides as Air-Stable N-Channel Semiconductors for Thin-Film Transistors with Remarkable Current On−Off Ratios” Journal of Materials Chemistry, 2012, 22, 4459-4472. (IF = 6.63)
(Invited Article and Published in the "Special Issue: Organic Optoelectronic Materials")[Link]

2011

11. T. J. Marks, A. Facchetti, H. Usta, US Patent, 2011, US7928249B2, Granted. [Link]

10. H. Usta, A. Facchetti,* T. J. Marks* “N-Channel Semiconductor Materials Designed for Organic Complementary Circuits”Accounts of Chemical Research, 2011, 44, 501-510. (IF = 22.00) [Link]

9. Y.-G. Ha, J. Emery, M. Bedzyk, H. Usta, A. Facchetti,* T. J. Marks* “Solution-Deposited Organic-Inorganic Hybrid Multilayer Gate Dielectrics. Design, Synthesis, Microstructures, and Electrical Properties, with Thin-Film Transistors” Journal of the American Chemical Society, 2011, 133, 10239-10250. (IF = 13.04)  [Link]

2010

8. R. Capelli,* S. Toffanin, G. Generali, H. Usta, A. Facchetti, M. Muccini,* “Organic Light-Emitting Transistors with an Efficiency That Out Performs the Equivalent Light-Emitting Diodes”
Nature Materials, 2010, 9, 496-503. (IF = 38.89) [Link]
(Highlighted by the "Chemistry World News", Royal Society of Chemistry, May 2, 2010)
(Highlighted by the "Nanowerk Nanotechnology Spotlight" Magazine, May 6, 2010)
(Highlighted by the "Plastic Electronics" Magazine, May 10, 2010)

2009

7. T. J. Marks, A. Facchetti, G. Lu, H. Usta, J. Letizia, US Patent, 2009, US7816480B2, Granted. [Link]

6. H. Usta, C. Risko, Z. Wang, H. Huang, M. K. Deliomeroglu, A. Zhukhovitskiy, A. Facchetti,* T. J. Marks* “Design, Synthesis, and Characterization of Ladder-Type Molecules and Polymers. Air-Stable, Solution-Processable n-Channel and Ambipolar Semiconductors for Thin-Film Transistors via Experiment and Theory” Journal of the American Chemical Society, 2009, 131, 5586-5608. (IF = 13.04)  [Link]

5. H. Usta, A. Facchetti,* T. J. Marks* “Electron-Transporting Materials for Printed Electronics”
Materials Research Society, Organic and Hybrid Materials for Large-Area Functional Systems. 2009, 1114-1118. (Invited Paper) [Link]

2008-2006
 

4. H. Usta, A. Facchetti,* T. J. Marks* “Air-Stable, Solution-Processable n-Channel and Ambipolar Semiconductors for Thin-Film Transistors Based on the Indenofluorenebis(dicyanovinylene) Core” Journal of the American Chemical Society, 2008, 130, 8580-8581. (IF = 13.04) [Link]
(Highlighted among the top 3 solution-based high-performance small molecular n-channel semiconductor under ambient in a Progress Report/Advanced Materials, March 26, 2010).

3. H. Usta, A. Facchetti,* T. J. Marks* “Synthesis and Characterization of Electron-Deficient and Highly Soluble (Bis)Indenofluorene Building Blocks for n-type Semiconducting Polymers” Organic Letters, 2008, 10, 1385-1388. (IF = 6.73) [Link]

2. G. Lu, H. Usta, C. Risko, L. Wang, A. Facchetti,* T. J. Marks*“Synthesis, Characterization, and TransistorResponse of Semiconducting Silole Polymers with Substantial Hole Mobility and Air Stability. Experiment and Theory” Journal of the American Chemical Society, 2008, 130, 7670–7685. (IF = 13.04) [Link]

1. H. Usta, G. Lu, A. Facchetti,* T. J. Marks* “Dithienosilole- and Dibenzosilole-Thiophene Copolymers as Semiconductors for Organic Thin-Film Transistors” Journal of the American Chemical Society, 2006,  128, 9034-9035. (IF = 13.04) [Link] (Highlighted by the "ACS: Chemical Innovation Heart Cut", August 21, 2006