Search Results - "Petersen, T. Neves"

Role of Solvent, pH, and Molecular Size in Excited-State Deactivation of Key Eumelanin Building Blocks: Implications for Melanin Pigment Photostability by Gauden, M, Pezzella, A, Panzella, L, Neves-Petersen, M. T, Skovsen, E, Petersen, S. B, Mullen, K. M, Napolitano, A, d’Ischia, M, Sundström, V

“…Ultrafast time-resolved fluorescence spectroscopy has been used to investigate the excited-state dynamics of the basic eumelanin building block…”
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Novel photonic technique creates micrometer resolution protein arrays and provides a new approach to coupling of genes, peptide hormones and drugs to nanoparticle carriers by Duroux, M., Duroux, L., Neves-Petersen, M.T., Skovsen, E., Petersen, S.B.

“…We demonstrate that ultraviolet light can be used to make sterically oriented covalent immobilization of a large variety of protein molecules onto either…”
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Quantization of pH:  Evidence for Acidic Activity of Triglyceride Lipases by Poulsen, Kristian R, Snabe, Torben, Petersen, Evamaria I, Fojan, Peter, Neves-Petersen, Maria T, Wimmer, Reinhard, Petersen, Steffen B

“…Here we present a study of lipolytic activity of lipases from Fusarium solani pisi (cutinase), Rhizomucor miehei, Pseudomonas cepacia, and Humicola lanuginosa…”
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Luminescence decay of oriented phenylene nanofibers by THILSING-HANSEN, K, NEVES-PETERSEN, M. T, PETERSEN, S. B, NEUENDORF, R, AL-SHAMERY, K, RUBAHN, H.-G

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A thermostable salmonella phage endolysin, Lys68, with broad bactericidal properties against gram-negative pathogens in presence of weak acids by Oliveira, Hugo, Thiagarajan, V., Walmagh, Maarten, Sillankorva, Sanna, Lavigne, Rob, Petersen, T. Neves, Kluskens, Leon, Azeredo, Joana

“…Resistance rates are increasing among several problematic Gram-negative pathogens, a fact that has encouraged the development of new antimicrobial agents. This…”
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UV light blocks EGFR signalling in human cancer cell lines by Olsen, B B, Neves-Petersen, M T, Klitgaard, S, Issinger, O G, Petersen, S B

“…UV light excites aromatic residues, causing these to disrupt nearby disulphide bridges. The EGF receptor is rich in aromatic residues near the disulphide…”
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Quenchers induce wavelength dependence on protein fluorescence lifetimes by Klitgaard, Søren, Neves-Petersen, M T, Petersen, S B

“…We have analysed the picosecond resolved fluorescence emission decay of horseradish peroxidase A2 and of HEW lysozyme acquired with a streak camera. Analyses…”
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Photonic modulation of epidermal growth factor receptor halts receptor activation and cancer cell migration by Botelho, Cláudia M., Gonçalves, O., Marques, R., Thiagarajan, V., Vorum, H., Gomes, Andreia C, Petersen-Neves, T.

“…Epidermal Growth Factor Receptor (EGFR) plays a key role in regulating cell survival, proliferation and migration, and its overexpression and activation has…”
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Engineering the pH-optimum of a triglyceride lipase: from predictions based on electrostatic computations to experimental results by Neves-Petersen, Maria Teresa, Petersen, Evamaria I, Fojan, Peter, Noronha, Melinda, Madsen, Rune G, Petersen, Steffen B

“…The optimisation of enzymes for particular purposes or conditions remains an important target in virtually all protein engineering endeavours. Here, we present…”
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Modulating the structure of EGFR with UV light: new possibilities in cancer therapy by Correia, Manuel, Thiagarajan, Viruthachalam, Coutinho, Isabel, Gajula, Gnana Prakash, Petersen, Steffen B, Neves-Petersen, Maria Teresa

“…The epidermal growth factor receptor (EGFR) is a member of the ErbB family of receptor tyrosine kinases. EGFR is activated upon binding to e.g. epidermal…”
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How do lipases and esterases work: the electrostatic contribution by Neves Petersen, Maria Teresa, Fojan, Peter, Petersen, Steffen B

“…This work explores the role of one of the factors explaining lipase/esterase activity: the contribution of electrostatic interactions to lipase/esterase…”
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Long wavelength depolarized light scattering from silver nanoparticles by Klitgaard, Søren, Shtoyko, Tanya, Calander, Nils, Gryczynski, Ignacy, Matveeva, Evgenia G., Borejdo, Julian, Neves–Petersen, Maria Teresa, Petersen, Steffen B., Gryczynski, Zygmunt

“…Dimensions of the silver particles used to model their scattering anisotropy and compare with experimental values. We report the depolarized light scattering…”
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Photonic activation of disulfide bridges achieves oriented protein immobilization on biosensor surfaces by Neves‐Petersen, Maria Teresa, Snabe, Torben, Klitgaard, Søren, Duroux, Meg, Petersen, Steffen B.

“…Photonic induced immobilization is a novel technology that results in spatially oriented and spatially localized covalent coupling of biomolecules onto…”
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UV light blocks EGFR signalling in human cancer cell lines by OLSEN, B. B, NEVES -PETERSEN, M. T, KLITGAARD, S, ISSINGER, O. G, PETERSEN, S. B

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Protein electrostatics: A review of the equations and methods used to model electrostatic equations in biomolecules – Applications in biotechnology by Neves-Petersen, Maria Teresa, Petersen, Steffen B.

“…The molecular understanding of the initial interaction between a protein and, e.g., its substrate, a surface or an inhibitor is essentially an understanding of…”
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High probability of disrupting a disulphide bridge mediated by an endogenous excited tryptophan residue by Neves‐Petersen, Maria Teresa, Gryczynski, Zygmunt, Lakowicz, Joseph, Fojan, Peter, Pedersen, Shona, Petersen, Evamaria, Bjørn Petersen, Steffen

“…It is well known that ultraviolet (UV) radiation may reduce or even abolish the biological activity of proteins and enzymes. UV light, as a component of…”
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Towards a molecular level understanding of protein stabilization: the interaction between lysozyme and sorbitol by Wimmer, Reinhard, Olsson, Maria, Neves Petersen, Maria Teresa, Hatti-Kaul, Rajni, Petersen, Steffen B, Müller, Norbert

“…The paper is investigating the mechanism of stabilization of proteins by polyols at the molecular level. It is addressing the interactions of sorbitol, a…”
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Oriented coupling of major histocompatibility complex (MHC) to sensor surfaces using light assisted immobilisation technology by Snabe, Torben, Røder, Gustav Andreas, Neves-Petersen, Maria Teresa, Buus, Søren, Petersen, Steffen Bjørn

“…Controlled and oriented immobilisation of proteins for biosensor purposes is of extreme interest since this provides more efficient sensors with a larger…”
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Heme and pH-dependent stability of an anionic horseradish peroxidase by Carvalho, Ana Sofia L, Melo, Eduardo Pinho e, Ferreira, Bruno Sommer, Neves-Petersen, Maria Teresa, Petersen, Steffen B, Aires-Barros, Maria Raquel

“…Horseradish peroxidase A1 thermal stability was studied by steady-state fluorescence, circular dichroism and differential scanning calorimetry at pH values of…”
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Enzymatic lipid removal from surfaces—lipid desorption by a pH-induced “electrostatic explosion” by Snabe, Torben, Neves-Petersen, Maria Teresa, Petersen, Steffen Bjørn

“…Removal of lipidic molecules from surfaces can be accomplished using detergents containing lipases. Surface cleaning is usually performed under alkaline…”
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