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1

Partial chemical and physical characterisation of (1 → 3),(1 → 4)-β-d-glucans from oat (Avena sativa L.) aleurone

Kjell M. Vårum, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

1988

Language:

english

File:

PDF, 739 KB

english, 1988

2

Degradation of partially N-acetylated chitosans with hen egg white and human lysozyme

Ragnhild J. Nordtveit, Kjell M. Vårum, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

1996

Language:

english

File:

PDF, 575 KB

english, 1996

3

Binding of ions to chitosan—selectivity studies

Inger M.N. Vold, Kjell M. Vårum, Eric Guibal, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

2003

Language:

english

File:

PDF, 232 KB

english, 2003

4

A study by analytical ultracentrifugation on the interaction between lysozyme and extensively deacetylated chitin (chitosan)

Helmut Cölfen, Stephen E. Harding, Kjell M. Vårum, Donald J. Winzor

Journal:

Carbohydrate Polymers

Year:

1996

Language:

english

File:

PDF, 1.12 MB

english, 1996

5

Investigation, using analytical ultracentrifugation, of the effect of the incorporation of the fluorophore 9-anthraldehyde on two chitosans of differing degrees of acetylation

Helmut Cölfen, Stephen E. Harding, Kjell-M. Vårum

Journal:

Carbohydrate Polymers

Year:

1996

Language:

english

File:

PDF, 704 KB

english, 1996

6

Chitosans as Absorption Enhancers for Poorly Absorbable Drugs 2: Mechanism of Absorption Enhancement

Nicolaas G. M. Schipper, Susanne Olsson, Janet A. Hoogstraate, Albertus G. deBoer, Kjell M. Vårum, Per Artursson

Journal:

Pharmaceutical Research

Year:

1997

File:

PDF, 837 KB

1997

7

Chitosans as Absorption Enhancers for Poorly Absorbable Drugs. 1: Influence of Molecular Weight and Degree of Acetylation on Drug Transport Across Human Intestinal Epithelial (Caco-2) Cells

Nicolaas G. M. Schipper, Kjell M. Vårum, Per Artursson

Journal:

Pharmaceutical Research

Year:

1996

File:

PDF, 1.62 MB

1996

8

Fractionation and viscometric characterization of a (1→3), (1→4)-β-d-glucan from oat, and universal calibration of a high-performance size-exclusion chromatographic system by the use of fractionated β-glucans, alginates and pullulans

Kjell M. Vårum, Anita Martinsen, Olav Smidsrød

Journal:

Food Hydrocolloids

Year:

1991

Language:

english

File:

PDF, 587 KB

english, 1991

9

Chitosans as absorption enhancers of poorly absorbable drugs: 3: Influence of mucus on absorption enhancement

Nicolaas G.M. Schipper, Kjell M. Vårum, Patric Stenberg, Göran Ocklind, Hans Lennernäs, Per Artursson

Journal:

European Journal of Pharmaceutical Sciences

Year:

1999

Language:

english

File:

PDF, 430 KB

english, 1999

10

Determination of enzymatic hydrolysis specificity of partially N-acetylated chitosans

Kjell M. Vårum, Hilde Kristiansen Holme, Masato Izume, Bjørn Torger Stokke, Olav Smidsrød

Journal:

Biochimica et Biophysica Acta (BBA) - General Subjects

Year:

1996

Language:

english

File:

PDF, 856 KB

english, 1996

11

Human Chitotriosidase-Catalyzed Hydrolysis of Chitosan

Eide, Kristine Bistrup, Norberg, Anne Line, Heggset, Ellinor Bævre, Lindbom, Anne Rita, Vårum, Kjell Morten, Eijsink, Vincent G. H., Sørlie, Morten

Journal:

Year:

2012

Language:

english

File:

PDF, 2.74 MB

english, 2012

12

Production of Chitooligosaccharides and Their Potential Applications in Medicine

Aam, Berit B., Heggset, Ellinor B., Norberg, Anne Line, Sørlie, Morten, Vårum, Kjell M., Eijsink, Vincent G. H.

Journal:

Year:

2010

Language:

english

File:

PDF, 1.02 MB

english, 2010

13

Degradation of Chitosans with a Family 46 Chitosanase from Streptomyces coelicolor A3(2)

Heggset, Ellinor B., Dybvik, Anette I., Hoell, Ingunn A., Norberg, Anne Line, Sørlie, Morten, Eijsink, Vincent G. H., Vårum, Kjell M.

Journal:

Biomacromolecules

Year:

2010

Language:

english

File:

PDF, 1.63 MB

english, 2010

14

Development and application of a model for chitosan hydrolysis by a family 18 chitinase

Pawel Sikorski, Bjørn T. Stokke, Audun Sørbotten, Kjell M. Vårum, Svein J. Horn, Vincent G. H. Eijsink

Journal:

Year:

2005

Language:

english

File:

PDF, 489 KB

english, 2005

15

A miniaturized nebulization catheter for improved gene delivery to the mouse lung

Magnus Köping-Höggård, Mohamed M. Issa, Tamara Köhler, Ann Tronde, Kjell M. Vårum, Per Artursson

Journal:

The Journal of Gene Medicine

Year:

2005

Language:

english

File:

PDF, 223 KB

english, 2005

16

Determination of the degree of N-acetylation and the distribution of N-acetyl groups in partially N-deacetylated chitins (chitosans) by high-field n.m.r. spectroscopy

Kjell M. Vårum, Marit W. Antohonsen, Hans Grasdalen, Olav Smidsrød

Journal:

Carbohydrate Research

Year:

1991

Language:

english

File:

PDF, 452 KB

english, 1991

17

Competitive binding of highly de-N-acetylated chitosans and N,N′-diacetylchitobiose to lysozyme from chicken egg white studied by 1H NMR spectroscopy

Are Kristiansen, Kjell M. Vårum, Hans Grasdalen

Journal:

Carbohydrate Research

Year:

1996

Language:

english

File:

PDF, 401 KB

english, 1996

18

Chitosan cross-linked with Mo(VI) polyoxyanions: A new gelling system

Kurt Ingar Draget, Kjell M. Värum, Einar Moen, Hege Gynnild, Olav Smidsrød

Journal:

Year:

1992

Language:

english

File:

PDF, 621 KB

english, 1992

19

Solution properties of chitosans: conformation and chain stiffness of chitosans with different degrees of N-acetylation

Marit W. Anthonsen, Kjell M. Vårum, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

1993

Language:

english

File:

PDF, 799 KB

english, 1993

20

Water-solubility of partially N-acetylated chitosans as a function of pH: effect of chemical composition and depolymerisation

Kjell M. Vårum, Mette H. Ottøy, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

1994

Language:

english

File:

PDF, 473 KB

english, 1994

21

Compositional heterogeneity of heterogeneously deacetylated chitosans

Mette H. Ottey, Kjell M. Vårum, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

1996

Language:

english

File:

PDF, 955 KB

english, 1996

22

Molecular design of chitosan gene delivery systems with an optimized balance between polyplex stability and polyplex unpacking

Sabina P. Strand, Sylvie Lelu, Nina K. Reitan, Catharina de Lange Davies, Per Artursson, Kjell M. Vårum

Journal:

Year:

2010

Language:

english

File:

PDF, 806 KB

english, 2010

23

A seasonal study of the chemical composition and chitin quality of shrimp shells obtained from northern shrimp (Pandalus borealis)

Ruth Hagen Rødde, Aslak Einbu, Kjell M. Vårum

Journal:

Carbohydrate Polymers

Year:

2008

Language:

english

File:

PDF, 248 KB

english, 2008

24

Inhibition of a family 18 chitinase by chitooligosaccharides

F. Henning Cederkvist, Marthe P. Parmer, Kjell M. Vårum, Vincent G.H. Eijsink, Morten Sørlie

Journal:

Carbohydrate Polymers

Year:

2008

Language:

english

File:

PDF, 597 KB

english, 2008

25

Chain stiffness and extension of chitosans and periodate oxidised chitosans studied by size-exclusion chromatography combined with light scattering and viscosity detectors

Bjørn E. Christensen, Inger Mari Nygaard Vold, Kjell M. Vårum

Journal:

Carbohydrate Polymers

Year:

2008

Language:

english

File:

PDF, 396 KB

english, 2008

26

Effect of enzyme processivity on the efficacy of a competitive chitinase inhibitor

Henrik Zakariassen, Laila Klemetsen, Shohei Sakuda, Gustav Vaaje-Kolstad, Kjell M. Vårum, Morten Sørlie, Vincent G.H. Eijsink

Journal:

Carbohydrate Polymers

Year:

2010

Language:

english

File:

PDF, 354 KB

english, 2010

27

Preparation and characterization of branched chitosans

Kristoffer Tømmeraas, Sabina P. Strand, Bjørn E. Christensen, Olav Smidsrød, Kjell M. Vårum

Journal:

Carbohydrate Polymers

Year:

2011

Language:

english

File:

PDF, 884 KB

english, 2011

28

Kinetics of hydrolysis of chitin/chitosan oligomers in concentrated hydrochloric acid

Aslak Einbu, Hans Grasdalen, Kjell M. Vårum

Journal:

Carbohydrate Research

Year:

2007

Language:

english

File:

PDF, 326 KB

english, 2007

29

Preparation and characterisation of oligosaccharides produced by nitrous acid depolymerisation of chitosans

Kristoffer Tømmeraas, Kjell M Vårum, Bjørn E Christensen, Olav Smidsrød

Journal:

Carbohydrate Research

Year:

2001

Language:

english

File:

PDF, 209 KB

english, 2001

30

Preparation and characterisation of chitosans with oligosaccharide branches

Kristoffer Tømmeraas, Magnus Köping-Höggård, Kjell M Vårum, Bjørn E Christensen, Per Artursson, Olav Smidsrød

Journal:

Carbohydrate Research

Year:

2002

Language:

english

File:

PDF, 426 KB

english, 2002

31

In vitro degradation rates of partially N-acetylated chitosans in human serum

Kjell M. Vårum, Mildrid M. Myhr, Ragnhild J.N. Hjerde, Olav Smidsrød

Journal:

Carbohydrate Research

Year:

1997

Language:

english

File:

PDF, 348 KB

english, 1997

32

Mode of action of chitin deacetylase from Mucor rouxii on partially N-acetylated chitosans

Aggeliki Martinou, Vassilis Bouriotis, Bjørn T. Stokke, Kjell M. Vårum

Journal:

Carbohydrate Research

Year:

1998

Language:

english

File:

PDF, 203 KB

english, 1998

33

Preparative and analytical size-exclusion chromatography of chitosans

Mette H. Ottøy, Kjell M. Vårum, Bjørn E. Christensen, Marit W. Anthonsen, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

1996

Language:

english

File:

PDF, 976 KB

english, 1996

34

Quantitative studies of the binding of wheat germ agglutinin (WGA) to chitin-oligosaccharides and partially N-acetylated chitosans suggest inequivalence of binding sites

Are Kristiansen, Åse Nysæter, Hans Grasdalen, Kjell M. Vårum

Journal:

Carbohydrate Polymers

Year:

1999

Language:

english

File:

PDF, 222 KB

english, 1999

35

Interactions between chitosans and bacterial suspensions: adsorption and flocculation

Sabina P Strand, Kjell M Vårum, Kjetill Østgaard

Journal:

Colloids and Surfaces B: Biointerfaces

Year:

2003

Language:

english

File:

PDF, 556 KB

english, 2003

36

Crystal structure and mode of action of a class V chitinase fromNicotiana tabacum

Takayuki Ohnuma, Tomoyuki Numata, Takuo Osawa, Mamiko Mizuhara, Kjell M. Vårum, Tamo Fukamizo

Journal:

Plant Molecular Biology

Year:

2011

Language:

english

File:

PDF, 1.22 MB

english, 2011

37

13C-N.m.r. studies of the acetylation sequences in partially N-deacetylated chitins (chitosans)

Kjell M. Vårum, Marit W. Anthonsen, Hans Grasdalen, Olav Smidsrød

Journal:

Carbohydrate Research

Year:

1991

Language:

english

File:

PDF, 558 KB

english, 1991

38

5th International Conference on Chitin and Chitosan: Princeton, New Jersey, USA, October 17–20, 1991, organized by the American ChitoScience Society, Inc.

Kjell M. Vårum

Journal:

Carbohydrate Polymers

Year:

1992

Language:

english

File:

PDF, 60 KB

english, 1992

39

Aggregates in acidic solutions of chitosans detected by static laser light scattering

Marit W. Anthonsen, Kjell M. Vårum, Anne Marie Hermansson, Olav Smidsrød, David A. Brant

Journal:

Carbohydrate Polymers

Year:

1994

Language:

english

File:

PDF, 1.40 MB

english, 1994

40

Characterization of partially N-acetylated chitosans by near infra-red spectroscopy

Kjell M. Vårum, Bjørg Egelandsdal, Marit R. Ellekj˦r

Journal:

Carbohydrate Polymers

Year:

1995

Language:

english

File:

PDF, 648 KB

english, 1995

41

Chitosan–DNA–rectorite nanocomposites: Effect of chitosan chain length and glycosylation

Xiaoying Wang, Sabina P. Strand, Yumin Du, Kjell M. Vårum

Journal:

Carbohydrate Polymers

Year:

2010

Language:

english

File:

PDF, 597 KB

english, 2010

42

Preparation and characterisation of fluorescent chitosans using 9-anthraldehyde as fluorophore

Kristoffer Tømmeraas, Sabina P. Strand, Wei Tian, Lennart Kenne, Kjell M. Vårum

Journal:

Carbohydrate Research

Year:

2001

Language:

english

File:

PDF, 183 KB

english, 2001

43

Comparative studies on molecular chain parameters of chitosans and poly(diallyldimethylammonium chloride): the stiffness B-parameter and the temperature coefficient of intrinsic viscosity

Stanisław Trzciński, Kjell M Vårum, Danuta U Staszewska, Olav Smidsrød, Miloslav Bohdanecký

Journal:

Carbohydrate Polymers

Year:

2002

Language:

english

File:

PDF, 126 KB

english, 2002

44

Chemical composition of O-(carboxymethyl)-chitins in relation to lysozyme degradation rates

Ragnhild J.Nordtveit Hjerde, Kjell M. Vårum, Hans Grasdalen, Seiichi Tokura, Olav Smidsrød

Journal:

Carbohydrate Polymers

Year:

1997

Language:

english

File:

PDF, 986 KB

english, 1997

45

Colloidal gold and colloidal gold labelled wheat germ agglutinin as molecular probes for identification in mucin/chitosan complexes

Immo Fiebrig, Kjell M. Vårum, Stephen E. Harding, Stanley S. Davis, Bjørn T. Stokke

Journal:

Carbohydrate Polymers

Year:

1997

Language:

english

File:

PDF, 1.28 MB

english, 1997

46

Quantitative determination of chitosans by ninhydrin

Sabina Prochazkova, Kjell M. Vårum, Kjetill Ostgaard

Journal:

Carbohydrate Polymers

Year:

1999

Language:

english

File:

PDF, 191 KB

english, 1999

47

Degradation of chitosans with chitinase B from Serratia marcescens : Production of chito-oligosaccharides and insight into enzyme processivity

Audun Sørbotten, Svein J. Horn, Vincent G. H. Eijsink, Kjell M. Vårum

Journal:

Year:

2005

Language:

english

File:

PDF, 309 KB

english, 2005

48

Endo/exo mechanism and processivity of family 18 chitinases produced by Serratia marcescens

Svein Jarle Horn, Audun Sørbotten, Bjørnar Synstad, Pawel Sikorski, Morten Sørlie, Kjell M. Vårum, Vincent G. H. Eijsink

Journal:

Year:

2006

Language:

english

File:

PDF, 272 KB

english, 2006

49

Screening of Chitosans and Conditions for Bacterial Flocculation

Vårum, Kjell M., Østgaard, Kjetill, Strand, Sabina P., Vandvik, Marianne S.

Journal:

Biomacromolecules

Year:

2001

Language:

english

File:

PDF, 98 KB

english, 2001

50

Kinetics of de-N-acetylation of the chitin disaccharide in aqueous sodium hydroxide solution

Thang Trung Khong, Finn L. Aachmann, Kjell M. Vårum

Journal:

Carbohydrate Research

Year:

2012

Language:

english

File:

PDF, 1.13 MB

english, 2012

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