Search Results - "Hallen, S."

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    Cell-based multiwell assays for the detection of substrate accumulation and oxidation by Wensaas, A.J, Rustan, A.C, Lövstedt, K, Kull, B, Wikström, S, Drevon, C.A, Hallén, S

    Published in Journal of lipid research (01-04-2007)
    “…We describe multiwell assays for detecting the accumulation as well as the subsequent oxidation of ¹⁴C-labeled substrates in cultured cells. Accumulation is…”
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    Inhibition of the Human Sodium/Bile Acid Cotransporters by Side-Specific Methanethiosulfonate Sulfhydryl Reagents:  Substrate-Controlled Accessibility of Site of Inactivation by Hallén, Stefan, Fryklund, Jan, Sachs, George

    Published in Biochemistry (Easton) (06-06-2000)
    “…Mammalian sodium/bile acid cotransporters (SBATs) constitute a subgroup of the sodium cotransporter superfamily and function in the enterohepatic circulation…”
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    Kinetic Coupling between Electron and Proton Transfer in Cytochrome c Oxidase: Simultaneous Measurements of Conductance and Absorbance Changes by Adelroth, Pia, Sigurdson, Hakan, Hallen, Stefan, Brzezinski, Peter

    “…Bovine heart cytochrome c oxidase is an electron-current driven proton pump. To investigate the mechanism by which this pump operates it is important to study…”
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    Membrane Insertion Scanning of the Human Ileal Sodium/Bile Acid Co-transporter by Hallén, Stefan, Brändén, Magnus, Dawson, Paul A, Sachs, George

    Published in Biochemistry (Easton) (31-08-1999)
    “…Mammalian sodium-dependent bile acid transporters (SBATs) responsible for bile salt uptake across the liver sinusoidal or ileal/renal brush border membrane…”
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    Cytostar-T Scintillating Microplate Assay for Measurement of Sodium-Dependent Bile Acid Uptake in Transfected HEK-293 Cells by Bonge, Helena, Hallén, Stefan, Fryklund, Jan, Sjöström, Jan-Eric

    Published in Analytical biochemistry (15-06-2000)
    “…Real-time measurements of bile acid uptake into HEK-293 cell monolayers expressing the human sodium/bile acid cotransporters have been demonstrated using…”
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    Organization of the Membrane Domain of the Human Liver Sodium/Bile Acid Cotransporter by Hallén, S, Mareninova, O, Brändén, M, Sachs, G

    Published in Biochemistry (Easton) (11-06-2002)
    “…Mammalian sodium/bile acid cotransporters (SBATs) are glycoproteins with an exoplasmic N-terminus, an odd number of transmembrane regions, and a cytoplasmic…”
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    Identification of a Region of the Ileal-Type Sodium/Bile Acid Cotransporter Interacting with a Competitive Bile Acid Transport Inhibitor by Hallén, S, Björquist, A, Östlund-Lindqvist, A. M, Sachs, G

    Published in Biochemistry (Easton) (17-12-2002)
    “…Drug intervention that prevents reabsorption of circulating bile acids by the apical (ileal) sodium/bile acid cotransporter (ASBT) may be a promising new…”
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    The narrow proton beam therapy unit at the the Svedberg Laboratory in Uppsala by Montelius, A, Blomquist, E, Naeser, P, Brahme, A, Carlsson, J, Carlsson, A C, Graffman, S, Grusell, E, Hallén, S, Jakobsson, P

    Published in Acta oncologica (1991)
    “…The synchrocyclotron at the The Svedberg Laboratory (TSL) in Uppsala is now reconstructed and can presently operate with fixed frequency and proton energies up…”
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    Cell-based multiwell assays for the detection of substrate accumulation and oxidation1 by Wensaas, A.J., Rustan, A.C., Lövstedt, K., Kull, B., Wikström, S., Drevon, C.A., Hallén, S.

    Published in Journal of lipid research (01-04-2007)
    “…We describe multiwell assays for detecting the accumulation as well as the subsequent oxidation of 14C-labeled substrates in cultured cells. Accumulation is…”
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    Journal Article
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    Proton transfer during the reaction between fully reduced cytochrome c oxidase and dioxygen: pH and deuterium isotope effects by Hallen, Stefan, Nilsson, Thomas

    Published in Biochemistry (Easton) (01-12-1992)
    “…The pH dependence of proton uptake and electron transfers during the reaction between fully reduced cytochrome c oxidase and oxygen has been studied using the…”
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    Topography of the Membrane Domain of the Liver Na+-Dependent Bile Acid Transporter by Mareninova, Olga, Shin, Jai Moo, Vagin, Olga, Turdikulova, Shahlo, Hallen, Stefan, Sachs, George

    Published in Biochemistry (Easton) (25-10-2005)
    “…The ileal apical and liver basolateral bile acid transporters catalyze the Na+-dependent uptake of these amphipathic molecules in the intestine and liver. They…”
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    Light-induced structural changes in cytochrome c oxidase: implication for the mechanism of electron and proton gating by Hallén, S, Brzezinski, P

    Published in Biochimica et biophysica acta (08-03-1994)
    “…We have investigated electrogenic events and absorbance changes following pulsed illumination of partly reduced cytochrome c oxidase in the absence of dioxygen…”
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    Internal Electron Transfer in Cytochrome c Oxidase Is Coupled to the Protonation of a Group Close to the Bimetallic Site by Hallen, Stefan, Brzezinski, Peter, Malmstroem, Bo G

    Published in Biochemistry (Easton) (15-02-1994)
    “…Absorbance changes following CO dissociation by flash photolysis from mixed-valence cytochrome oxidase have been followed in the Soret and alpha regions. Apart…”
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    Uptake and release of protons during the reaction between cytochrome c oxidase and molecular oxygen: a flow-flash investigation by Oliveberg, Mikael, Hallen, Stefan, Nilsson, Thomas

    Published in Biochemistry (Easton) (15-01-1991)
    “…Changes in pH during the reactions of the fully reduced and mixed-valence cytochrome oxidase with molecular oxygen have been followed in flow-flash…”
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    Light-induced structural changes in cytochrome c oxidase : Measurements of electrogenic events and absorbance changes by Hallén, Stefan, Oliveberg, Mikael, Brzezinski, Peter

    Published in FEBS letters (01-03-1993)
    “…We have investigated flash-induced electrogenic events and absorbance changes in cytochrome c oxidase in the absence of dioxygen and carbon monoxide…”
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    Na+/H+ Exchanger NHE3 Has 11 Membrane Spanning Domains and a Cleaved Signal Peptide:  Topology Analysis Using In Vitro Transcription/Translation by Zizak, Mirza, Cavet, Megan E, Bayle, Denis, Tse, Chung-Ming, Hallen, Stefan, Sachs, George, Donowitz, Mark

    Published in Biochemistry (Easton) (11-07-2000)
    “…The transmembrane topology of Na+/H+ exchanger NHE3 has been studied using in vitro transcription/translation of two types of fusion vectors designed to test…”
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    Cytochrome bo from E. coli does not exhibit the same proton transfer characteristics as the bovine cytochrome c oxidase during oxygen reduction by Hallén, Stefan, Svensson, Margareta, Nilsson, Thomas

    Published in FEBS letters (05-07-1993)
    “…The reaction where fully reduced cytochrome bo from E. coli partially reduces dioxygen has been characterized with respect to the kinetics of the associated…”
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