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1

Electrochemical biosensors for glucose, lactate, urea, and creatinine based on enzymes entrapped in a cubic liquid crystalline phase

Valdemaras Razumas, Julija Kanapieniené, Tommy Nylander, Sven Engström, Kåre Larsson

Journal:

Analytica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 743 KB

english, 1994

2

[Progress in Colloid and Polymer Science] Surface and Colloid Science Volume 116 || Chemical deposition of copper sulfide films in the surface of polyethylene by the use of higher polythionic acids

Razumas, Valdemaras, Lindman, Björn, Nylander, Tommy

Year:

2001

Language:

english

File:

PDF, 101 KB

english, 2001

3

[Progress in Colloid and Polymer Science] Surface and Colloid Science Volume 116 || Dynamic wetting and dewetting by aqueous solutions containing amphiphilic compounds

Razumas, Valdemaras, Lindman, Björn, Nylander, Tommy

Year:

2001

Language:

english

File:

PDF, 159 KB

english, 2001

4

Sensitive yeast bioelectrode to L-lactate

Juozas Kulys, Lizhong Wang, Valdemaras Razumas

Journal:

Electroanalysis

Year:

1992

Language:

english

File:

PDF, 607 KB

english, 1992

5

Monoalkylferrocene-mediated amperometric enzyme electrodes for glucose determination

Valdemaras Razumas, Juozas Kulys, Martin Knichel, Hans-Dieter Wiemhöfer, Wolfgang Göpel

Journal:

Electroanalysis

Year:

1993

Language:

english

File:

PDF, 596 KB

english, 1993

6

Self-Assembled Redox System for Bioelectrocatalytic Assay of L-Ascorbylphosphate and Alkaline Phosphatase Activity

Birutė Kazakevičienė, Gintaras Valinčius, Marytė Kažemėkaitė, Valdemaras Razumas

Journal:

Electroanalysis

Year:

2008

Language:

english

File:

PDF, 170 KB

english, 2008

7

An Ellipsometric and Electrochemical Study of Microperoxidase-8 and -11 Adsorption on Platinum and Gold Surfaces

Valdemaras Razumas, Tommy Nylander, Thomas Arnebrant

Journal:

Journal of Colloid and Interface Science

Year:

1994

File:

PDF, 543 KB

1994

8

Surface Pressure Study of Hemin, Microperoxidase-8, -11, and Cytochrome c Adsorption at the Air–Water Interface

Valdemaras Razumas, Tommy Nylander, Finlay MacRitchie

Journal:

Journal of Colloid and Interface Science

Year:

1996

Language:

english

File:

PDF, 141 KB

english, 1996

9

Sequential adsorption of γ-interferon and bovine serum albumin on hydrophobic silicon surfaces

Tautgirdas A Ruzgas, Valdemaras J Razumas, Juozas J Kulys

Journal:

Journal of Colloid and Interface Science

Year:

1992

Language:

english

File:

PDF, 603 KB

english, 1992

10

Kinetics of peroxidase redox conversion on viologen-modified gold electrodes

Valdemaras J. Razumas, Arvydas V. Gudavičius, Juozas J. Kulys

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1986

Language:

english

File:

PDF, 427 KB

english, 1986

11

Conversions of complex compounds and quinone on surface-modified electrodes

Arvydas V. Gudavičius, Valdemaras J. Razumas, Juozas J. Kulys

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1987

Language:

english

File:

PDF, 936 KB

english, 1987

12

Electrocatalytic reduction of hydrogen peroxide on the microperoxidase-11 modified carbon paste and graphite electrodes

Valdemaras Razumas, Jūrat≐ Kazlauskait≐, Regina Vidžiūnait≐

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1996

Language:

english

File:

PDF, 431 KB

english, 1996

13

Glucose biosensor based on carbon black strips

Plamen Atanasov, Anastasia Kaisheva, Ilia Iliev, Valdemaras Razumas, Juozas Kulys

Journal:

Biosensors and Bioelectronics

Year:

1992

Language:

english

File:

PDF, 489 KB

english, 1992

14

Direct amperometric determination of lipase activity

Ilja Ignatjev, Gintaras Valincius, Irena Švedaitė, Ervinas Gaidamauskas, Marytė Kažemėkaite, Valdemaras Razumas, Allan Svendsen

Journal:

Analytical Biochemistry

Year:

2005

Language:

english

File:

PDF, 111 KB

english, 2005

15

Thermomyces lanuginosus lipase in the liquid-crystalline phases of aqueous phytantriol: X-ray diffraction and vibrational spectroscopic studies

Audrius Misiūnas, Zita Talaikytė, Gediminas Niaura, Valdemaras Razumas, Tommy Nylander

Journal:

Biophysical Chemistry

Year:

2008

Language:

english

File:

PDF, 1.08 MB

english, 2008

16

Electrochemical and structural properties of self-assembled monolayers of 2-methyl-3-(ω-mercaptoalkyl)-1,4-naphthoquinones on gold

Arūnas Bulovas, Nijolė Dirvianskytė, Zita Talaikytė, Gediminas Niaura, Sandra Valentukonytė, Eugenijus Butkus, Valdemaras Razumas

Journal:

Journal of Electroanalytical Chemistry

Year:

2006

Language:

english

File:

PDF, 340 KB

english, 2006

17

Infrared and Raman bands of phytantriol as markers of hydrogen bonding and interchain interaction

Audrius Misiūnas, Gediminas Niaura, Zita Talaikytė, Olegas Eicher-Lorka, Valdemaras Razumas

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2005

Language:

english

File:

PDF, 682 KB

english, 2005

18

Synthesis and self-assembling properties on gold of 2-methyl-1,4-naphthoquinone derivatives containing ω-mercaptoalkylalkanoate groups

Maryt≐ Kažem≐kait≐, Arūnas Bulovas, Zita Talaikyt≐, Eugenijus Butkus, Vilma Railait≐, Gediminas Niaura, Algirdas Palaima, Valdemaras Razumas

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 318 KB

english, 2004

19

Solubilization of ubiquinone-10 in the lamellar and bicontinuous cubic phases of aqueous monoolein

Justas Barauskas, Valdemaras Razumas, Tommy Nylander

Journal:

Chemistry and Physics of Lipids

Year:

1999

Language:

english

File:

PDF, 280 KB

english, 1999

20

Redox conversion of peroxidase on surface-modified gold electrode

Valdemaras J. Razumas, Arvydas V. Gudaviĉius, Juozas J. Kulys

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1983

Language:

english

File:

PDF, 267 KB

english, 1983

21

Electrochemical conversion of cytochrome c on SnO2 electrode modified by polyethylenimine

Valdemaras J. Razumas, Andrius S. Samalius, Juozas J. Kulys

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1984

Language:

english

File:

PDF, 298 KB

english, 1984

22

Synthesis of new SAM-forming ferrocene derivatives and their interfacial properties on gold

Maryt≐ Kažem≐kait≐, Arūnas Bulovas, Vytautas Smirnovas, Gediminas Niaura, Eugenijus Butkus, Valdemaras Razumas

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 258 KB

english, 2001

23

Interactions of cyclic AMP and its dibutyryl analogue with model membrane: X-ray diffraction and Raman spectroscopic study using cubic liquid–crystalline phases of monoolein

Valdemaras Razumas, Gediminas Niaura, Zita Talaikyt≐, Adomas Vagonis, Tommy Nylander

Journal:

Biophysical Chemistry

Year:

2001

Language:

english

File:

PDF, 324 KB

english, 2001

24

An FT-IR study of the effects of distearoylphosphatidylglycerol and cytochrome c on the molecular organization of the monoolein-water cubic liquid-crystalline phase

Valdemaras Razumas, Zita Talaikyté, Justas Barauskas, Yvonne Miezis, Tommy Nylander

Journal:

Vibrational Spectroscopy

Year:

1997

Language:

english

File:

PDF, 875 KB

english, 1997

25

Anti-inflammatory activity of some potassium salts of N,N-disubstituted 4-aminoazobenzenesulfonic acids in rat adjuvant arthritis

Maryte Kazemekaite, Laima Leonaviciene, Ruta Bradunaite, Zita Staniulyte, Algirdas Palaima, Valdemaras Razumas

Journal:

Archives of Pharmacal Research

Year:

2008

Language:

english

File:

PDF, 215 KB

english, 2008

26

Adsorption of heme-containing peptides on silicon surfaces

Tautgirdas A Ruzgas, Ausvydas V Kazlauskas, Valdemaras J Razumas, Juozas J Kulys

Journal:

Journal of Colloid and Interface Science

Year:

1992

Language:

english

File:

PDF, 517 KB

english, 1992

27

Redox conversions of microperoxidase-11 on a silver electrode

Valdemaras J. Razumas, Arvydas V. Gudavičius, Jurate D. Kazlauskaite, Juozas J. Kulys

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1989

Language:

english

File:

PDF, 363 KB

english, 1989

28

Adsorption of l-histidine on copper surface as evidenced by surface-enhanced Raman scattering spectroscopy

Saulius Martusevičius, Gediminas Niaura, Zita Talaikyté, Valdemaras Razumas

Journal:

Vibrational Spectroscopy

Year:

1996

Language:

english

File:

PDF, 634 KB

english, 1996

29

A study of entrapped enzyme stability and substrate diffusion in a monoglyceride-based cubic liquid crystalline phase

Tommy Nylander, Charlotte Mattisson, Valdemaras Razumas, Yvonne Miezis, Björn Håkansson

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

1996

Language:

english

File:

PDF, 769 KB

english, 1996

30

Lipophilic 1,4-naphthoquinone derivatives: synthesis and redox properties in solution and entrapped in the aqueous cubic liquid-crystalline phase of monoolein

Daiva Tauraitė, Valdemaras Razumas, Eugenijus Butkus

Journal:

Chemistry and Physics of Lipids

Year:

2009

Language:

english

File:

PDF, 428 KB

english, 2009

31

2-Methyl-1,4-naphthoquinones containing 3-[N-(ω-mercaptoalkyl)alkanamide] chains: synthesis, self-assembling, and electrochemical properties

Marytė Kažemėkaitė, Arūnas Bulovas, Zita Talaikytė, Vilma Railaitė, Gediminas Niaura, Eugenijus Butkus, Valdemaras Razumas

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 264 KB

english, 2008

32

Towards redox active liquid crystalline phases of lipids: a monoolein/water system with entrapped derivatives of ferrocene

Justas Barauskas, Valdemaras Razumas, Zita Talaikyt≐, Arūnas Bulovas, Tommy Nylander, Daiva Taurait≐, Eugenijus Butkus

Journal:

Chemistry and Physics of Lipids

Year:

2003

Language:

english

File:

PDF, 200 KB

english, 2003

33

Effects of distearoylphosphatidylglycerol and lysozyme on the structure of the monoolein-water cubic phase: X-ray diffraction and Raman scattering studies

Valdemaras Razumas, Zita Talaikytedot, Justas Barauskasa, Kåre Larsson, Yvonne Miezis, Tommy Nylander

Journal:

Chemistry and Physics of Lipids

Year:

1996

Language:

english

File:

PDF, 1.19 MB

english, 1996

34

Metabolic state and cell cycle as determinants of facilitated uptake of genetic information by yeastSaccharomyces cerevisiae

Larisa Chaustova, Valė Miliukienė, Aurelijus Zimkus, Valdemaras Razumas

Journal:

Central European Journal of Biology

Year:

2008

Language:

english

File:

PDF, 870 KB

english, 2008

35

Interactions of Cyclic AMP and Its Dibutyryl Analogue with a Lipid Layer in the Aqueous Mixtures of Monoolein Preparation and Dioleoyl Phosphatidylcholine as Probed by X-Ray Diffraction and Raman Spectroscopy

Zita Talaikytė, Justas Barauskas, Gediminas Niaura, Irena Švedaitė, Eugenijus Butkus, Valdemaras Razumas, Tommy Nylander

Journal:

Journal of Biological Physics

Year:

2004

Language:

english

File:

PDF, 271 KB

english, 2004

36

Synthesis and Redox Properties of Ferrocene Derivatives containing an Oleyl Group

Butkus, Eugenius, Tauraitė, Daiva, Barauskas, Justas, Talaikytė, Zita, Razumas, Valdemaras

Journal:

Journal of Chemical Research

Year:

1998

Language:

english

File:

PDF, 111 KB

english, 1998

37

A Cubic Monoolein−Cytochrome c−Water Phase: X-ray Diffraction, FT-IR, Differential Scanning Calorimetric, and Electrochemical Studies

Razumas, Valdemaras, Larsson, Kåre, Miezis, Yvonne, Nylander, Tommy

Journal:

Journal of Physical Chemistry

Year:

1996

Language:

english

File:

PDF, 476 KB

english, 1996

38

Horse heart cytochrome c entrapped into the hydrated liquid-crystalline phases of phytantriol: X-ray diffraction and Raman spectroscopic characterization

Audrius Misiūnas, Gediminas Niaura, Justas Barauskas, Rolandas Meškys, Rasa Rutkienė, Valdemaras Razumas, Tommy Nylander

Journal:

Journal of Colloid and Interface Science

Year:

2012

Language:

english

File:

PDF, 970 KB

english, 2012

39

Mediated Oxidation of Ascorbic Acid on a Homologous Series of Ferrocene-Terminated Self-Assembled Monolayers

Kazakevičienė, Birutė, Valincius, Gintaras, Niaura, Gediminas, Talaikytė, Zita, Kažemėkaitė, Marytė, Razumas, Valdemaras, Plaušinaitis, Deivis, Teišerskienė, Aušra, Lisauskas, Vaclovas

Journal:

Year:

2007

Language:

english

File:

PDF, 244 KB

english, 2007

40

The computational modelling of the kinetics of ascorbic acid palmitate hydrolysis by lipase considering diffusion

Jurgita Dabulytė-Bagdonavičienė, Feliksas Ivanauskas, Valdemaras Razumas

Journal:

Central European Journal of Chemistry

Year:

2011

Language:

english

File:

PDF, 779 KB

english, 2011

41

Direct electrochemistry of microperoxidase-11 at gold electrodes modified by self-assembled monolayers of 4,4′-dithiodipyridine and 1-octadecanethiol

Valdemaras Razumas, Thomas Arnebrant

Journal:

Journal of Electroanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 698 KB

english, 1997

42

Synthesis, Self-Assembling and Redox Properties of 2-[(ω-Sulfanylalkyl)amino]-1,4-naphthoquinones

Kažemekaite, Maryte, Railaite, Vilma, Bulovas, Arunas, Talaikyte, Zita, Niaura, Gediminas, Razumas, Valdemaras, Butkus, Eugenijus

Journal:

Collection of Czechoslovak Chemical Communications

Year:

2006

Language:

english

File:

PDF, 100 KB

english, 2006

43

[Progress in Colloid and Polymer Science] Surface and Colloid Science Volume 116 ||

Razumas, Valdemaras, Lindman, Björn, Nylander, Tommy

Year:

2001

Language:

english

File:

PDF, 3.27 MB

english, 2001

44

Bionanoconjugation via Click Chemistry: The Creation of Functional Hybrids of Lipases and Gold Nanoparticles

Brennan, Jennifer L., Hatzakis, Nikos S., Tshikhudo, T. Robert, Razumas, Valdemaras, Patkar, Shamkant, Vind, Jesper, Svendsen, Allan, Nolte, Roeland J. M., Rowan, Alan E., Brust, Mathias

Journal:

Bioconjugate Chemistry

Year:

2006

Language:

english

File:

PDF, 105 KB

english, 2006

45

Electrochemical Method for the Detection of Lipase Activity

Valincius, Gintaras, Ignatjev, Ilja, Niaura, Gediminas, Kažemėkaitė, Marytė, Talaikytė, Zita, Razumas, Valdemaras, Svendsen, Allan

Journal:

Analytical Chemistry

Year:

2005

Language:

english

File:

PDF, 98 KB

english, 2005

46

Probing of Lipase Activity at Air/Water Interface by Sum-Frequency Generation Spectroscopy

Niaura, Gediminas, Kuprionis, Zenonas, Ignatjev, Ilja, Kažemėkaitė, Marytė, Valincius, Gintaras, Talaikytė, Zita, Razumas, Valdemaras, Svendsen, Allan

Journal:

Journal of Physical Chemistry B

Year:

2008

Language:

english

File:

PDF, 169 KB

english, 2008

47

Enzymatic Activity of Lipase−Nanoparticle Conjugates and the Digestion of Lipid Liquid Crystalline Assemblies

Brennan, Jennifer L., Kanaras, Antonios G., Nativo, Paola, Tshikhudo, T. Robert, Rees, Claire, Fernandez, Laura Cabo, Dirvianskyte, Nijole, Razumas, Valdemaras, Skjøt, Michael, Svendsen, Allan, Jørgen

Journal:

Year:

2010

Language:

english

File:

PDF, 4.07 MB

english, 2010

48

Structural Effects, Mobility, and Redox Behavior of Vitamin K 1 Hosted in the Monoolein/Water Liquid Crystalline Phases

Caboi, Francesca, Nylander, Tommy, Razumas, Valdemaras, Talaikyté, Zita, Monduzzi, Maura, Larsson, Kåre

Journal:

Year:

1997

Language:

english

File:

PDF, 258 KB

english, 1997

49

Direct Observation of Two Types of Monolayer-Bound Ferricinium Ions on Gold: Implications for Electrocatalysis

Kazakevičienė, Birutė, Valincius, Gintaras, Niaura, Gediminas, Talaikytė, Zita, Kažemėkaitė, Marytė, Razumas, Valdemaras

Journal:

Journal of Physical Chemistry B

Year:

2003

Language:

english

File:

PDF, 41 KB

english, 2003

50

[Progress in Colloid and Polymer Science] Surface and Colloid Science Volume 116 || Vesicle-to-micelle transition in dioctadecyldimethylammonium bromide and dioctadecyldimethylammonium chloride dispersions induced by octaethylene glycol n-dodecyl monoether. An isothermal titration calorimetry study

Razumas, Valdemaras, Lindman, Björn, Nylander, Tommy

Year:

2001

Language:

english

File:

PDF, 87 KB

english, 2001

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