Avnir David

The Benjamin H. Birstein Chair in Chemistry
Office: 
Alberman 9
Phone: 
02 6585 332
Fax: 
02 6520 099
Research Focus: 

Current scientific activities include * Organically doped metals * Theoretical and experimental aspects of chirality and symmetry * Sol-gel organic hybrid materials and biomaterials. * Earlier major interests included fractal theory in chemistry and physics, and far-from-equilibrium phenomena. Here are full research details: http://chem.ch.huji.ac.il/avnir/

Selected Publications: 

341.      Mark Pinsky, Amir Zait, Maayan Bonjack and David Avnir "Continuous symmetry analyses: Cnv and Dn measures of molecules, complexes and proteins" J. Comput. Chem, 34, 2–9 (2013)
342.     Hila Elimelech and David Avnir “Hybrid particles of polyethylene@silica as precursors for porous polyethylene” Part. Part. Syst. Charact, 30, 72–74 (2013)
343.     David Avnir and Dirk Huylebrouck “On Left and Right: Chirality in Architecture” Nexus Network Journal: Architecture and Mathematics, 15, 171-182 (2013) DOI 10.1007/s00004-013-0144-x
345.     Ido Fuchs and David Avnir “Induction of Amphiphilicity in Polymer@Silica Particles: Ceramic Surfactants” Langmuir, 29, 2835−2842 (2013); dx.doi.org/10.1021/la3048246
347.     Racheli Ben-Knaz, Rami Pedahzur  and David Avnir “Bioactive doped metals: high synergism in the bactericidal activity of chlorhexidine@silver towards wound pathogenic bacteria “RSC Adv. 3, 8009–8015 (2013); DOI: 10.1039/b000000x
348.     Leora Shapiro and David Avnir “Multiple one-pot reaction steps using organically doped metallic hybrid catalyst“ ChemCatChem, 5, 2195 – 2198 (2013); DOI: 10.1002/cctc.201300261
352.     David Avnir “Molecularly doped metals” Acc. Chem. Res., 47, 579–592 (2014); DOI: 10.1021/ar4001982
353.     Hagit Frenkel-Mullerad, Racheli Ben-Knaz, David Avnir “Preserving the activity of enzymes under harsh oxidizing, conditions: sol–gel entrapped alkaline phosphatase exposed to bromine” J Sol-Gel Sci Technol 69,  453–456 (2014); DOI 10.1007/s10971-013-3226-z
354.     Vladimir V. Vinogradov, Alexander Agafonov and David Avnir “Conductive sol–gel films” J. Mater. Chem. C, 2, 3914–3920 (2014). DOI: 10.1039/c3tc32462a. Supplementary information DOI: 10.1039/c3tc32462a
355.     Vladimir V. Vinogradov and David Avnir “Exceptional thermal stability of therapeutical enzymes entrapped in alumina sol–gel matrices” J. Mater. Chem. B, 2, 2868 - 2873 (2014). DOI: 10.1039/c3tb21643h.Supplementary : DOI: 10.1039/c3tc32462a
356.     Arindam I ndra, Mark Greiner, Axel Knop Gericke, Robert Schloegl, David Avnir and Matthias Driess“High Catalytic Synergism between the Components of the Rhenium omplex@Silver Hybrid Material in Alkene Epoxidations”
ChemCatChem,   6, 1935-1939 (2014); DOI: 10.1002/cctc.201402042 Supporting Information: http://dx.doi.org/10.1002/cctc.201402042
357.     Hila Elimelech and David Avnir Covalent Porous Materials from Hybrid Silica Particles J. Colloid Interface Sci., 431, 157-164 (2014); doi: http://dx.doi.org/10.1016/j.jcis.2014.05.055
359.     Hadas Naor and David Avnir “Electroless methods for molecular doping of gold thin films” J. Mater. Chem. C, 2 , 7768 – 7775 (2014); DOI: 10.1039/c4tc00992d
361.     Maayan Bonjack-Shterengartz and David Avnir “The near-symmetry of proteins” Proteins, 83, 722–734 (2015); DOI 10.1002/prot.24706
362.     Vladimir V. Vinogradov, David Avnir “Exceptional thermal stability of industrially important enzymes by entrapment within nanoboehmite derived alumina” RSC Advances, 5, 10862 – 10868 (2015), DOI: 10.1039/C4RA10944A + Supplementary
363.     Racheli Ben-Knaz Wakshlak, Rami Pedahzur and  David Avnir “Antibacterial activity of silver-killed bacteria: the "zombies" effect Sci. Rep., 5 : 9555 | DOI: 10.1038/srep09555, (2015), pp 1-5. 
Highlights:
Science: http://news.sciencemag.org/biology/2015/05/silver-turns-bacteria-deadly-zombies
C&EN: http://cen.acs.org/articles/93/i18/Reason-Silver-Nitrates-Prolonged-Microbial.html
Royal Soc. Chem. Chemistry World: http://www.rsc.org/chemistryworld/2015/05/zombie-bacteria-kill-infections-silver
ABC Science: http://www.abc.net.au/science/articles/2015/05/04/4226728.htm
D-news: http://news.discovery.com/human/health/zombie-bacteria-may-help-heal-wounds-15050.htm
Popular Science: http://www.popsci.com/bacteria-acts-exactly-zombie
And many more.
 
364.     Leora Shapiro, Matthias Driess  and David Avnir “Dual Catalytic Activity of Palladium Doped with a Rhodium Complex in a One-pot, Four Step Process”
ChemCatChem, 7, 2033 – 2037 (2015), DOI : 10.1002/cctc.201500240 + Supplementary
365.     V. V. Vinogradov and D. Avnir “Enzyme renaturation to higher activity driven by the sol-gel transition: Carbonic anhydrase” Sci. Rep. 5, 14411 (2015), doi: 10.1038/srep14411, pp. 1-7
366.     Vladimir V. Vinogradov, Israel Felner,  Israel Nowik and David Avnir “Conductive magnetic sol–gel films” J. Mater. Chem. C3, 10723—10727 (2015); DOI: 10.1039/c5tc02136g
367.     Hadas Naor and David Avnir “Electroless Functionalization of Silver Films by Its Molecular Doping” ACS Appl. Mater. Interfaces,  7, 26461−26469  (2015),  DOI: 10.1021/acsami.5b10619
368.     Vijay Bhooshan Kumar, Aharon Gedanken, David Avnir, and Ze’ev Porat “Dispersion of Polymers in Metallic Gallium” ChemPhysChem 2016, 17, 162 – 169 (2016); DOI: 0.1002/cphc.201500899
Full lists of publications: http://chem.ch.huji.ac.il/avnir/publications.html