Search Results - "Harmer, Mark A."

A new route to high yield sugars from biomass: phosphoric-sulfuric acid by Harmer, Mark A, Fan, Analine, Liauw, Ann, Kumar, Ravinash Krishna

“…We have developed a simple and effective route for the high yield extraction of sugars from cellulosic based biomass. This process uses a combination of a…”
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Surface Atomic Defect Structures and Growth of Gold Nanorods by Gai, Pratibha L, Harmer, Mark A

“…We present atomic and defect structural studies of technologically important gold nanorods synthesized by a wet chemical process. Our surface atomic structural…”
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Solubility and diffusivity of 1,1,1,2-tetrafluoroethane in room-temperature ionic liquids by Shiflett, Mark B., Harmer, Mark A., Junk, Christopher P., Yokozeki, A.

“…The solubility and diffusivity of 1,1,1,2-tetrafluoroethane (R-134a) in seven room-temperature ionic liquids (RTILs) are presented. Among them, five of the…”
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High Surface Area Nafion † Resin/Silica Nanocomposites:  A New Class of Solid Acid Catalyst by Harmer, Mark A, Farneth, William E, Sun, Qun

“…Nafion resin, a perfluorinated ion-exchange polymer, has been used as a heterogeneous strong acid catalyst for a range of reactions; however, in nonpolar…”
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Tetraflic Acid (1,1,2,2-Tetrafluoroethanesulfonic Acid, HC2F4SO3H) and Gallium Tetraflate as Effective Catalysts in Organic Synthesis by Prakash, G. K. Surya, Mathew, Thomas, Panja, Chiradeep, Kulkarni, Aditya, Olah, George A., Harmer, Mark A.

“…Tetraflic acid offers ample acidity for various organic reactions that require high acidity. Its gallium(III) salt is an efficient catalyst under mild…”
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Solid acid catalysis using ion-exchange resins by Harmer, Mark A, Sun, Qun

“…In this review article, we describe the use of commercially available polymeric ion-exchange resins for a range of industrially important transformations…”
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Lithographically Cut Single-Walled Carbon Nanotubes:  Controlling Length Distribution and Introducing End-Group Functionality by Lustig, Steven R, Boyes, Edward D, French, Roger H, Gierke, Timothy D, Harmer, Mark A, Hietpas, Paula B, Jagota, Anand, McLean, R. Scott, Mitchell, Greg P, Onoa, G. Bibiana, Sams, Kerry D

“…Single-walled carbon nanotubes are efficiently cut to precise submicrometer lengths and very narrow length distributions. Chemical functional groups are placed…”
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Preparation and Synthetic Applications of Aryl Tetraflates (ArOSO2CF2CF2H) by Rostovtsev, Vsevolod V, Bryman, Lois M, Junk, Christopher P, Harmer, Mark A, Carcani, Liane G

“…We have recently developed an improved synthetic route to 1,1,2,2-tetrafluoroethanesulfonic acid (HCF2CF2SO3H, TFESA) and explored the applications of this…”
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Solubility and Diffusivity of Difluoromethane in Room-Temperature Ionic Liquids by Shiflett, Mark B, Harmer, Mark A, Junk, Christopher P, Yokozeki, A

“…New experimental results are presented for the solubility and diffusivity of difluoromethane in 19 room-temperature ionic liquids (RTILs). In the series of…”
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Novel mesoporous silica-perfluorosulfonic acid hybrids as strong heterogeneous Brønsted catalysts by Macquarrie, Duncan J, Tavener, Stewart J, Harmer, Mark A

“…Perfluorinated sulfonic acids have been immobilised into mesoporous silica frameworks by a one-step process, representing the first example of the successful…”
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Photomodification of surfaces using heterocyclic azides by Harmer, Mark A

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Continuous acylation of anisole by acetic anhydride in mesoporous solid acid catalysts: Reaction media effects on catalyst deactivation by Sarsani, VidyaSagar R., Lyon, Christopher J., Hutchenson, Keith W., Harmer, Mark A., Subramaniam, Bala

“…The acylation of anisole with acetic anhydride was carried out in a continuous slurry reactor over mesoporous supported Nafion ® (SAC-13) and heteropolyacid…”
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Bis(oxazoline)–copper complexes supported by electrostatic interactions: scope and limitations by Fraile, José M., Garcı́a, José I., Herrerı́as, Clara I., Mayoral, José A., Harmer, Mark A.

“…Bis(oxazoline)–copper complexes have been supported by cation exchange in laponite and nafion-like solids. The results obtained with these catalysts in…”
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Highly Selective Fries Rearrangement over Zeolites and Nafion in Silica Composite Catalysts: A Comparison by Heidekum, Alfred, Harmer, Mark A., Hoelderich, Wolfgang F.

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Nafion/Silica Composite Material Reveals High Catalytic Potential in Acylation Reactions by Heidekum, Alfred, Harmer, Mark A., Hoelderich, Wolfgang F.

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An Extremely Active Solid Acid Catalyst, Nafion Resin/Silica Composite, for the Friedel−Crafts Benzylation of Benzene and p-Xylene with Benzyl Alcohol by Sun, Qun, Harmer, Mark A, Farneth, William E

“…Nafion resin, a recently developed Nafion resin/silica composite, and triflic acid are very effective catalysts for the Friedel−Crafts benzylation of benzene…”
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Sol-gel synthesis of potassium titanyl phosphate: Solution chemistry and gelation by Barbé, Christophe J., Harmer, Mark A., Scherer, George W.

“…The solution chemistry and aggregation mechanisms involved in sol-gel synthesis of potassium titanyl phosphate (KTP) are studied in detail. The chemistry of…”
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Tetraflic Acid (1,1,2,2-Tetrafluoroethanesulfonic Acid, HC sub(2)F sub(4)SO sub(3)H) and Gallium Tetraflate as Effective Catalysts in Organic Synthesis by Prakash, GKSurya, Mathew, Thomas, Panja, Chiradeep, Kulkarni, Aditya, Olah, George A, Harmer, Mark A

“…Tetraflic acid offers ample acidity for various organic reactions that require high acidity. Its gallium(III) salt is an efficient catalyst under mild…”
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Oxidation of the molybdenum(III) aquo dimer with tris(ethanedioato)cobaltate(3-) and other oxidants by Harmer, Mark A, Sykes, A. Geoffrey

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Kinetics of the interconversion of sulfido- and oxomolybdate(VI) species MoOxS4-x2- in aqueous solutions by Harmer, Mark A, Sykes, A. Geoffrey

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