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  • Single Amplified Genomes as Source for Novel Extremozymes: Annotation, Expression and Functional Assessment

    Nov 14 2017 10:00 AM - Nov 14 2017 12:00 PM By Stefan Grötzinger

    Ph.D. Student, Supervised by Prof. Stefan T. Arold

    Tuesday, November 14, 2017 - 10 am to 12pm
    Venue: Building 3, Level 5, Room 5220
  • KCC Seminar: Enhancing carrier dynamics in metal oxide photoelectrodes through defect control and passivation

    Nov 12 2017 03:00 PM - Nov 12 2017 05:00 PM Dr. Fatwa F. Abdi
    Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Institute for Solar Fuels, Hahn-Meitner-Platz 1, Berlin 14109, Germany

    Abstract:
    Metal oxides are attractive photoelectrode materials for photoelectrochemical (PEC) water splitting, due to their aqueous stability and low cost. However, high efficiency is still hindered by the fact that metal oxides possess relatively poor carrier transport properties (i.e., carrier mobility and lifetime). To illustrate this, carrier mobilities can be as high as 8,500 and 1,500 cm2/Vs in GaAs and Si, respectively,[1] while values of ~0.01-0.1 cm2/Vs are typically observed for metal oxide photoelectrodes (e.g., Fe2O3 and BiVO4).[2-4] Carrier lifetimes are also relatively short, in the range of pico- to nano-seconds.[4,5] In this talk, efforts in enhancing the carrier transport properties in metal oxides by controlling the defects—both intrinsic and extrinsic—in the lattice will be discussed. Examples will be shown based on the development of BiVO4 photoanodes, which is one of the highest performing metal oxides for solar water oxidation. First, by exposing as-deposited BiVO4 to high temperature treatment under different atmosphere, we found that the concentration of intrinsic defects (e.g., oxygen and vanadium vacancies) can be modulated. An optimum heat treatment condition resulted in an increase of carrier mobility by as high as one order of magnitude, as evident from our time-resolved conductivity measurements. Although the carrier lifetime was slightly decreased, the overall diffusion length increased by a factor of ~2. Second, extrinsic defects (i.e., dopants) were also found to greatly influence the carrier transport properties of BiVO4: (i) tungsten decreases both carrier lifetime and mobility,[4] (ii) hydrogen increases carrier lifetime and does not affect the carrier mobility,[6] while (iii) sulfur has no effect on carrier lifetime but increases carrier mobility. The exact causes behind these differences (e.g., defect passivation, trapping) will be discussed. Finally, the interplay between these modifications of carrier transport properties to the PEC properties of BiVO4 will be elucidated.

    Sunday, November 12th, 2017 - 3 pm
    Building 3, level 5, room 5220

    Hosted by Professor Prof. Luigi Cavallo
  • Dissertation Defense: Theoretical Investigation of Bismuth-Based Semiconductors for Photocatalytic Applications

    Nov 12 2017 10:30 AM - Nov 12 2017 12:00 PM By Sheikha Lardhi

    PhD Student, Supervised by Prof. Luigi Cavallo

    Sunday, November 12, 2017 - 10:30am to 12:00pm
    Venue: Building 3, Level 5, Room 5220
  • Dissertation Defense: Design of supported bi-metallic nanoparticles based on Platinum using Surface Organometallic Chemistry (SOMC)

    Nov 02 2017 10:00 AM - Nov 02 2017 12:00 PM By Reem Abdulaaziz Ashareef

    KAUST, PhD Student, Supervised by Prof. Jean Marie-Basset

    Thursday, November 02, 2017-10:00 AM - 12:00 PM
    Venus: Building 2, Level 5, Room 5220
  • Dissertation Defense: Renewable Chemicals Production from the Degradation of Polystyrene under Mild Conditions

    Aug 16 2017 02:00 PM - Aug 16 2017 04:00 PM By Nouf Al-Jabri

    PhD Student, CHemical Science Program
    Supervised by Prof. Kuo-Wei Huang

    Date: August 16, 2017 - 14:00 to 16:00
    Venue: Room 5220, Level 5, Bldg. 3
  • Dissertation Defense: Development of electro-microbial carbon capture and conversion systems

    May 23 2017 01:00 PM - May 23 2017 03:00 PM By Israa Al-rowaihi

    PhD Student, Chemical Science Program
    Supervised by Prof. Jörg Eppinger

    Date: May 23, 2017 - 1:00 to 3:00 PM
    Venue: Building 3, level 5, room 5209
  • KCC Seminar: Difference between iron and ruthenium catalysts for ammonia synthesis

    May 15 2017 10:00 AM - May 15 2017 11:30 AM Prof. Ken-ichi Aika
    Professor Emeritus, Tokyo Institute of Technology

    Abstract
    Ammonia synthesis is one of the most established and mature chemistries in heterogeneous catalysis from both academic and industrial point of views. Ammonia is one of the CO2 free hydrogen carriers and can be used as the direct fuels. The presentation describes how ammonia is important in current society, how the catalyst has been established in the history, and reaction mechanisms have been investigated and discussed in the laboratory scale and translated into industrial scale. Iron and ruthenium catalysts are effectively compared and the essential role of promoter is introduced.

    The lecture is devoted to late Prof. Atsumu Ozaki

    Monday, May 15, 2017
    10:00 – 11:30 AM
    Building 2, level 5, room 5220
    Hosted by Professor Kazuhiro Takanabe
  • KCC Seminar: Designer Zeolites: better, smaller, more accessible and… cheap

    May 14 2017 12:00 PM - May 14 2017 01:00 PM Prof. Jean-Pierre Gilson
    Laboratoire Catalyse & Spectrochimie (LCS)
    ENSICAEN – CNRS

    Abstract

    Zeolites are still fast growing materials, 55 years after their revolutionary introduction in oil refining and petrochemistry. I will concentrate on the "Zeolite Crystal Engineering", i.e. the fine tuning of the properties of known zeolites to meet exacting requirements of modern processes. I will describe fundamental work on nucleation that opened the door to the preparation of inexpensive, template-free, nanosized FAU (X & Y variety) with outstanding catalytic performances. I will describe other fundamental studies on the controlled removal of defects in existing zeolites that lead also to vastly superior catalysts and probably adsorbents. Finally, I will discuss the so-called embryonic zeolites, probably the last frontier between organized and disorganized materials and touch a bit the understudied but critical topic of the chemical interactions between a zeolite and its binder during a shaping process (e.g. extrusion).​

    Sunday, May 14, 2017
    12:00 – 13:00 PM
    Auditorium Room between Bldg 2 & 3, Room 0215
    Hosted by Professor Jean-Marie Basset
  • KCC Seminar: Thermodynamics and kinetics of drug-target binding through molecular simulations

    May 11 2017 01:30 PM - May 11 2017 02:30 PM Prof. Andrea Cavalli
    University of Bologna and Italian Institute of Technology, Italy

    Abstract
    Drug-target binding represents the first event at the basis of the therapeutic action of drugs. This complex phenomenon needs to be properly described at an atomistic level to identify the major determinants of drug potency and in vivo drug efficacy. Molecular dynamics (MD) is emerging as a powerful tool for investigating protein-ligand binding, and is getting increasing consensus from the drug discovery community. While extensive MD simulations in the microsecond to the millisecond timescale are nowadays able to simulate protein-ligand binding “spontaneously”, enhanced sampling methods, including metadynamics, steered-MD, umbrella sampling, etc., can improve the sampling of that part of free energy landscape that can be relevant for the biological process under investigation.
    In this talk, I will be presenting the use of extensive MD simulations to investigate spontaneous protein-ligand binding. Then, I will show how free energy calculations allow the identification of the minimum free energy path from the bulk of the solvent into the protein-binding pocket, as well as the determination of thermodynamic and kinetic parameters associated to drug-target recognition and binding. The presentation will finally be focused on applications of enhanced sampling methods to accelerate ligand binding and unbinding and to estimate kinetics (kon and koff) and thermodynamics, in simulation timescale more compatible with the requirements of speed and accuracy of the pharmaceutical research. All these simulations will be discussed in the framework of drug design and discovery, highlighting the role of these approaches in real-life drug discovery endeavors.

    Thursday, May 11, 2017, 1:30 – 2:30 PM

    Building 2, level 5, room 5209

    Hosted by Professor Luigi Cavallo​
  • Seminar: New Developments in the chemistry of monovalent phosphorus

    Mar 12 2017 12:00 PM - Mar 12 2017 01:00 PM March 12, 2017; 12:00 - 01:00 PM

    ​Francois Mathey
    Nanyang Professor, Division of Chemistry & Biological Chemistry (retired 2016)

    Venue: Auditorium Room between Bldg 4 & 5, Room 0215

    POC: Linda J. Sapolu 808-7414

    ABSTRACT: The chemistry of monovalent phosphorus has known recently a huge development thank to the discovery of simple and versatile methods to generate [RP-W(CO)5]. These tungsten complexes have a singlet ground state contrary to the free species which are triplets. The complexes mimic the chemistry of singlet carbenes. Recent developments include their reaction with boronic acids to create P-C bonds, insertion into P-H bonds to create P-P bonds and regioselective insertion into appropriate C-H bonds.
  • KAUST/KCC Polymer Symposium: Designing Macromolecules for Applications

    Feb 05 2017 08:00 AM - Feb 07 2017 05:00 PM Polymeric materials play an essential and ubiquitous role in nature, everyday life and industry. Therefore, the design/synthesis, processing and application of polymers constitute an important strategic research area worldwide. The conference will cover the most appealing topics in contemporary polymer sciences and technologies, including recent developments, trends and perspectives in Catalytic Polymerization and Polymer catalysis, Macromolecular Architecture and Characterization, Properties-Structure Relationships and High-Tech Applications (solar cells, membranes, biomaterials).
  • 2017 International Workshop for Collaboration in Hydrogen Energy

    Jan 22 2017 09:00 AM - Jan 22 2017 05:15 PM We have arranged a series of presentations in a one-day workshop for Hydrogen storage in CO2 and hydrogen production and purification on Jan 22, 2017.
    External speakers:
    • Prof. Gábor Lauranczy, École Polytechnique Fédérale de Lausanne (EPFL)
    • Prof. Yichiro Himeda, National Institute of Advanced Industrial Science and Technology (AIST)
    • Prof. Hajime Kawanami, National Institute of Advanced Industrial Science and Technology (AIST)

    All are welcome.

    Venue: Building 3, Level 5, Room 5209
  • ChemS Graduate Seminar: Transferring Knowledge of Electrocatalysis to Photocatalysis in the Powder Suspension for Water Splitting

    Nov 13 2016 12:00 PM - Nov 13 2016 01:00 PM By Muhammad Qureshi
    PhD Student, Chemical Science Program
    Supervised by Prof. Kazuhiro Takanabe
  • ChemS PhD Defense: Development of Coke-Tolerant Transition Bimetallic Catalysts for Dry Reforming of Methane

    Nov 07 2016 11:00 AM - Nov 07 2016 01:00 PM By Bedour Alsabban
    PhD Candidate, Chemical Science
    Supervised by Prof. Jean-Marie Basset

    Venue: Ibn Sina Building (Bldg. 3), Room 5220
  • ChemS PhD Defense: Development of Non-Noble Metal Ni-Based Catalysts for Dehydrogenation of Methylcyclohexane

    Nov 03 2016 12:30 PM - Nov 03 2016 02:30 PM By Anaam Al-ShaikhAli
    PhD Candidate, Chemical Science
    Supervised by Prof. Kazuhiro Takanabe
  • ChemS PhD Defense: From Unnatural Amino Acid Incorporation to Artificial Metalloenzymes

    Oct 27 2016 04:00 PM - Oct 27 2016 05:00 PM By Arwa Abdulaziz Makki
    PhD Candidate, Chemical Science
    Supervised by Prof. Jörg Eppinger

    Venue: Building 3, level 5, in Room number 5209.

  • ChemS Graduate Seminar: Formic Acid Dehydrogenation Catalyzed by a Ruthenium Complex with an N, N′-Diimine Ligand

    Oct 23 2016 12:00 PM - Oct 23 2016 01:00 PM ​By Chao Guan
    PhD Student, Chemical Science Program
    Supervised by Prof. Kuo-Wei Huang

    Venue: Auditorium (Room 0215) between building 2 & 3​
  • ChemS Graduate Seminar: Hydro-Metathesis of Long-Chain Olefin using Well-Defined Silica-Supported Tungsten (VI), Molybdenum (VI) and Tantalum (V) Catalysts

    Oct 16 2016 12:00 PM - Oct 16 2016 01:00 PM By Aya Saidi
    PhD Student, Chemical Science Program
    Supervised by Prof. Jean-Marie Basset

    Venue: Auditorium (Room 0215) between building 2 & 3
  • ChemS Graduate Seminar: Surface Initiated Polyhomologation of Polyethylene Brushes on Silica Nano Particles Surface

    Oct 16 2016 12:00 PM - Oct 16 2016 01:00 PM By Reem AlGhamdi
    PhD Student, Chemical Science Program
    Supervised by Prof. Nikolaos Hadjichristidis

    Venue: Auditorium (Room 0215) between building 2 & 3​
  • ChemS PhD Defense: Polymerization of Polar Monomers from a Theoretical Perspective

    Oct 11 2016 11:00 AM - Oct 11 2016 01:00 PM ​By Miasser ALGhamdi

    Ph.D. Candidate supervised by Prof. Luigi Cavallo
    Chemical Science

    Venue: Ibn Sina Building (Bldg. 3), Room 5220​
  • WEP 2016 KCC event: Discussion of Energy and Environment Challenges

    Jan 21 2016 02:00 PM - Jan 21 2016 05:00 PM This seminar is part of our 'Future of Fuel' Day.
    The KAUST Catalysis Center (KCC) was established as a world-leading hub developing a multi-disciplinary approach to 'Catalysis by Design', targeting scientific challenges of the 21st century.
    This lecture series will feature two international speakers, three KAUST speakers, and a speaker from Aramco.​​​
  • KCC Seminar: Anion receptors, coordination chemistry, and the oxo wall

    Jan 18 2016 01:00 PM - Jan 18 2016 02:00 PM Jan 18 2016 1:00 PM - Jan 18 2016 2:00 PM
    ​Topic: Anion receptors, coordination chemistry, and the oxo wall
    Guest Speaker: Professor Christopher C. Cummins
    Institute: Massachusetts Institute of Technology, USA
    Date: Monday, January 18, 2016
    Time: 1:00 – 2:00 pm
    Location: Building 3, Level 5, Room 5220 (seaside)
    Light lunch will be served. Please confirm your attendance.​
  • KCC-Seminar: Changing Polymer Melt Surface Dynamics by Tailoring Molecular Architecture

    Mar 08 2015 10:30 AM - Mar 08 2015 12:00 PM Mar 08 2015 10:30 AM - Mar 08 2015 12:00 AM
    Guest Speaker: Mark D. Foster from The University of Akron
    Date: Sunday 8th March, 2015
    Time: 10:30 am
    Location: Building 3, level 5, room 5209​
  • KCC-Seminar: Catalytic Chain Transfer in Carbocationic Polymerization

    Mar 03 2015 12:00 AM - Mar 03 2015 01:30 AM Mar 03 2015 12:00 AM - Mar 03 2015 1:30 AM
    Guest Speaker: Professor Rudolf Faust from University of Massachusetts Lowell
    Date: Tuesday 3rd March, 2015
    Time: 12:00 – 13:30 pm
    Location: Auditorium 0215, between building 4 and 5 ​​​​
  • KCC-Seminar: Well-Defined Linear and Non-Linear Polymers. Synthesis, Characterization and Potential Applications

    Feb 12 2015 09:00 AM - Feb 12 2015 10:30 AM Professor Apostolos Avgeropoulos
    Dept. Materials Science Engineering, University of Ioannina, 45110 Ioannina, Greece
  • KAUST Research Conferences: Catalytic Carbon and Hydrogen Management (KRC-CCHM)

    Feb 01 2015 08:00 AM - Feb 04 2015 06:00 PM The future needs of the planet in terms of energy and environment place catalysis at the forefront of many scientific domains. The opportunities for catalysis are quite broad in terms of carbon and hydrogen management. Among the topics, which deserve strong attention, are light hydrocarbon activation and utilization, CO2 activation and utilization, hydrogen generation and utilization, and new developments in these areas of energy and environment. There is obviously a need for a very deep scientific approach in this field of catalysis, whether it is homogeneous, heterogeneous, photo initiated, fundamental or applied etc… Almost no catalytic reaction is fully selective and the resulting impact on energy and environment is huge.​​​​
  • KCC Seminar - Wednesday, 14th Jan 2015, Prof. Julie Kornfield, Interplay of Macromolecular Architecture and Flow in Polymer Crystallization

    Jan 14 2015 11:00 AM - Jan 14 2015 12:30 PM Jan 14 2015 11:00 AM - Jan 14 2015 12:30 PM
    Guest Speaker: Professor Julie Kornfield, from California Institute of Technology
    Date: Wednesday 14th January, 2015
    Time: 11:00 am – 12:30 pm
    Location: Building 3, level 5, room 5209