Search Results - "Hollmann, F."

Assessment method for clay clogging and disintegration of fines in mechanised tunnelling by Hollmann, F.S., Thewes, M.

“…[Display omitted] •We evaluate approaches to indicate the clogging potential of clayey soils.•We develop a classification scheme for clogging for all types of…”
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Synthetic cascades are enabled by combining biocatalysts with artificial metalloenzymes by Köhler, V., Wilson, Y. M., Dürrenberger, M., Ghislieri, D., Churakova, E., Quinto, T., Knörr, L., Häussinger, D., Hollmann, F., Turner, N. J., Ward, T. R.

“…Enzymatic catalysis and homogeneous catalysis offer complementary means to address synthetic challenges, both in chemistry and in biology. Despite its…”
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Non-enzymatic regeneration of nicotinamide and flavin cofactors for monooxygenase catalysis by Hollmann, F., Hofstetter, K., Schmid, A.

“…Biocatalytic oxygenation chemistry is a rapidly evolving field in which monooxygenases are the tools of choice. Monooxygenases catalyze many industrially…”
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Immobilization of laccase by encapsulation in a sol-gel matrix and its characterization and use for the removal of estrogens by Lloret, L., Eibes, G., Feijoo, G., Moreira, M. T., Lema, J. M., Hollmann, F.

“…Laccase from Myceliophthora thermophila was immobilized by encapsulation in a sol–gel matrix based on methyltrimethoxysilane and tetramethoxysilane. The amount…”
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Engineering of Candida antarctica lipase B for hydrolysis of bulky carboxylic acid esters by Juhl, P.B., Doderer, K., Hollmann, F., Thum, O., Pleiss, J.

“…Candida antarctica lipase B (CALB) is a widely used biocatalyst with high activity and specificity for a wide range of primary and secondary alcohols. However,…”
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Photochemical regeneration of flavoenzymes – An Old Yellow Enzyme case-study by Rauch, M.C.R., Huijbers, M.M.E., Pabst, M., Paul, C.E., Pešić, M., Arends, I.W.C.E., Hollmann, F.

“…Direct, NAD(P)H-independent regeneration of Old Yellow Enzymes represents an interesting approach for simplified reaction schemes for the stereoselective…”
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Immobilisation of laccase on Eupergit supports and its application for the removal of endocrine disrupting chemicals in a packed-bed reactor by Lloret, L., Hollmann, F., Eibes, G., Feijoo, G., Moreira, M. T., Lema, J. M.

“…Laccase from Myceliophthora thermophila was covalently immobilised on Eupergit C and Eupergit C 250L yielding specific activities of up to 17 and 80 U/g,…”
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Efficient Aerobic Oxidation of trans‐2‐Hexen‐1‐ol using the Aryl Alcohol Oxidase from Pleurotus eryngii by de Almeida, T. P., van Schie, M. M. C. H., Ma, A., Tieves, F., Younes, S. H. H., Fernández‐Fueyo, E., Arends, I. W. C. E., Riul, A., Hollmann, F.

“…The selective oxidation of trans‐2‐hexen‐1‐ol to the corresponding aldehyde using a recombinant aryl alcohol oxidase from Pleurotus eryngii (PeAAOx) is…”
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Microwave stray radiation losses in vacuum windows by Oosterbeek, J.W., Stern, M., Braune, H., Ewert, K., Hirsch, M., Hollmann, F., Laqua, H.P., Marsen, S., Meier, A., Moseev, D., Noke, F., Reintrog, A., Stange, T., Wolf, R.C.

“…Vacuum windows are required in magnetically confined fusion experiments to provide possibilities to observe the plasma in a wide range of electromagnetic…”
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Ferritin-supported palladium nanoclusters: selective catalysts for aerobic oxidations in water by Kanbak-Aksu, S, Nahid Hasan, M, Hagen, W R, Hollmann, F, Sordi, D, Sheldon, R A, Arends, I W C E

“…Confinement of nanometallic Pd within the core of a hyperthermophilic ferritin cage (from Pyrococcus furiosus) is reported. The resulting nanostructured hybrid…”
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Heterologous expression and characterization of the ene-reductases from Deinococcus radiodurans and Ralstonia metallidurans by Litthauer, S., Gargiulo, S., van Heerden, E., Hollmann, F., Opperman, D.J.

“…•Two new ene-reductases cloned and characterized.•Reduction shown for a variety of enones, dimethylesters, aldehyde and maleimdes.•Asymmetric reduction of the…”
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Biocatalytic oxyfunctionalization of butane in a bubble‐column reactor by Perz, F., Bormann, S., Hennemann, H.-G., Nissen, F., Hollmann, F., Holtmann, D., Bubenheim, P., Liese, A.

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On the inactivity of Candida antartica lipase B towards strong acids by Hollmann, F., Grzebyk, P., Heinrichs, V., Doderer, K., Thum, O.

“…Candida antarctica lipase B (CalB, Novozyme 435) was evaluated as catalyst for the conversion of so-called edible acids (e.g. malic and tartaric acid). While…”
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Deazaflavins as photocatalysts for the direct reductive regeneration of flavoenzymes by van Schie, M.M.C.H., Younes, S.H.H., Rauch, M.C.R., Pesic, M., Paul, C.E., Arends, I.W.C.E., Hollmann, F.

“…[Display omitted] •Deazaflavins are efficient catalysts for the direct reductive regeneration of Old Yellow Enzymes.•Photochemical reduction of deazaflavins…”
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High-power microwave diplexers for advanced ECRH systems by Kasparek, W., Petelin, M., Erckmann, V., Bruschi, A., Noke, F., Purps, F., Hollmann, F., Koshurinov, Y., Lubyako, L., Plaum, B., Wubie, W.

“…In electron cyclotron resonance heating systems, high-power multiplexers can be employed as power combiners, adjustable power dividers, fast switches to toggle…”
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A solvent-free synthesis of (thio)ester derivatives using FeCl3 as a heterogeneous catalyst by Younes, Sabry H.H., Hollmann, F.

“…[Display omitted] A simple, solvent-free method for the synthesis of (thio)esters from simple acid chlorides at room temperature is reported. Simple FeCl3…”
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Selective oxyfunctionalisation reactions catalysed by P450 monooxygenases and peroxygenases – A bright future for sustainable chemical synthesis by Xu, X., Hilberath, T., Hollmann, F.

“…Heme-dependent oxygenases (i.e. P450 monooxygenases and peroxygenases) are highly selective catalysts for the selective oxyfunctionalisation or organic…”
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Controlled Mirror Motion System for Resonant Diplexers in ECRH Applications by Doelman, N., van den Braber, R., Kasparek, W., Erckmann, V., Bongers, W., Krijger, B., Stober, J., Fritz, E., Dekker, B., Klop, W., Hollmann, F., Michel, G., Noke, F., Purps, F., de Baar, M., Maraschek, M., Monaco, F., Müller, S., Schütz, H., Wagner, D.

“…High-power resonant diplexers for millimetre waves have various promising applications in ECRH systems. The round-trip resonator length of a diplexer needs to…”
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Advances in high power calorimetric matched loads for short pulses and CW gyrotrons by Bin, W., Bruschi, A., Cirant, S., Erckmann, V., Gandini, F., Granucci, G., Hollmann, F., Laqua, H.P., Mellera, V., Muzzini, V., Nardone, A., Noke, F., Piosczyk, B., Purps, F., Rzesnicki, T., Schmid, M., Sozzi, C., Spies, W., Spinicchia, N., Stoner, M.

“…The development of high power gyrotrons for plasma physics research needs properly matched calorimetric loads able to absorb and measure the power, which…”
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Status of Resonant Diplexer Development for high-power ECRH Applications by Kasparek, W., Plaum, B., Lechte, C., Filipovic, E., Erckmann, V., Grünwald, G., Hollmann, F., Maraschek, M., Michel, G., Monaco, F., Müller, S., Noke, F., Purps, F., Schubert, M, Schütz, H., Stober, J., Wagner, D., van den Braber, R., Doelman, N., Fritz, E., Bongers, W., Krijger, B., Petelin, M., Lubyako, L., Bruschi, A., Sakamoto, K.

“…Characteristics of ring resonator diplexers for high-power ECRH are briefly reviewed. Commissioning experiments performed on ASDEX Upgrade with the diplexer Mk…”
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