Niemela, Ritva: search on Z-Library

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1

Impacts of elevated CO2 and temperature on the soil fauna of boreal forests

Jari Haimi, Jarkko Laamanen, Ritva Penttinen, Mika Räty, Seppo Koponen, Seppo Kellomäki, Pekka Niemelä

Journal:

Applied Soil Ecology

Year:

2005

Language:

english

File:

PDF, 301 KB

english, 2005

2

Enzymatic Midchain Branching of Polylactosamine Backbones Is Restricted in a Site-Specific Manner in α1,3-Fucosylated Chains †

Leppänen, Anne, Niemelä, Ritva, Renkonen, Ossi

Journal:

Year:

1997

Language:

english

File:

PDF, 252 KB

english, 1997

3

The linear tetrasaccharide, Galβ1-4GlcNAcβ1-6Galβ1-4GlcNAc, isolated from radiolabeled teratocarcinoma poly-N-acetyllactosaminoglycan resists the action ofE. freundiiendo-β-galactosidase

Ossi Renkonen, Leena Penttilä, Anne Makkonen, Ritva Niemelä, Anne Leppänen, Jari Helin, Anja Vainio

Journal:

Glycoconjugate Journal

Year:

1989

Language:

english

File:

PDF, 693 KB

english, 1989

4

Human serum contains a novel .beta.1,6-N-acetylglucosaminyltransferase activity that is involved in midchain branching of oligo(N-acetyllactosaminoglycans)

Leppanen, Anne, Penttila, Leena, Niemela, Ritva, Helin, Jari, Seppo, Antti, Lusa, Sari, Renkonen, Ossi

Journal:

Year:

1991

Language:

english

File:

PDF, 1.18 MB

english, 1991

5

Human leucocyte antigen and TNFα polymorphism association in microscopic colitis

Koskela, Ritva M., Karttunen, Tuomo J., Niemelä, Seppo E., Lehtola, Juhani K., Ilonen, Jorma, Karttunen, Riitta A.

Journal:

European Journal of Gastroenterology & Hepatology

Year:

2008

Language:

english

File:

PDF, 107 KB

english, 2008

6

α1,3-Fucosylation of branched blood group I-type oligo-(N-acetyllactosamino)glycans by human milk transferases is restricted to distalN-acetyllactosamine units: The resulting isomers are separated by WGA-agarose chromatography

Ritva Niemelä, Jari Natunen, Elina Brotherus, Annamari Saarikangas, Ossi Renkonen

Journal:

Glycoconjugate Journal

Year:

1995

Language:

english

File:

PDF, 919 KB

english, 1995

7

Improved enzymatic synthesis of a highly potent oligosaccharide antagonist of L-selectin

Heidi Salminen, Katja Ahokas, Ritva Niemelä, Leena Penttilä, Hannu Maaheimo, Jari Helin, Catherine E Costello, Ossi Renkonen

Journal:

Year:

1997

Language:

english

File:

PDF, 817 KB

english, 1997

8

Biosynthesis of sialylated and fucosylated selectin ligands of HL-60 cells in vitro: Midchain α3-fucose units inhibit terminal α6-sialylation but not α3-sialylation of polylactosamines

Jari Natunen, Pinja Parmanne, Jari Helin, Olli Aitio, Marja-Leena Majuri, Ritva Niemelä, Risto Renkonen, Ossi Renkonen

Journal:

Year:

1999

Language:

english

File:

PDF, 138 KB

english, 1999

9

Gastroduodenal mucosa in microscopic colitis

Koskela, Ritva Maria, Niemelä, Seppo Ensio, Lehtola, Juhani Kaarlo, Bloigu, Risto Seppo, Karttunen, Tuomo Juhani

Journal:

Scandinavian Journal of Gastroenterology

Year:

2011

Language:

english

File:

PDF, 164 KB

english, 2011

10

Structure and Function of Bovine Whey Derived Oligosaccharides Showing Synbiotic Epithelial Barrier Protective Properties

Duncan, Peter I., Aitio, Olli, Heiskanen, Annamari, NiemelÃ¤, Ritva, Saarinen, Juhani, Helin, Jari, Porta, Nadine, Fiaux, Muriel, MoÃ«nnoz, Denis, Golliard, Mireille, Cherbut, Christine, Berrocal, Raf

Journal:

Year:

2020

File:

PDF, 926 KB

2020

11

Enzymic Synthesis of Octadecameric Saccharides of Multiply Branched Blood Group I-Type, Carrying Four Distal .alpha.1,3-Galactose or .beta.1,3-GlcNAc Residues

Seppo, Antti, Penttila, Leena, Niemela, Ritva, Maaheimo, Hannu, Renkonen, Ossi, Keane, Anita

Journal:

Year:

1995

Language:

english

File:

PDF, 849 KB

english, 1995

12

Effects of Slaughterhouse Offal and Fish Mixture Based Diets on Production Performance of Blue and Silver Foxes

Rouvinen, Kirsti, Inkinen, Ritva, Niemelä, Paavo

Journal:

Acta Agriculturae Scandinavica

Year:

1991

Language:

english

File:

PDF, 938 KB

english, 1991

13

Cytokine gene polymorphism in microscopic colitis association with the IL-6-174 GG genotype

Koskela, Ritva M., Karttunen, Tuomo J., Niemelä, Seppo E., Lehtola, Juhani K., Bloigu, Risto S., Karttunen, Riitta A.

Journal:

European Journal of Gastroenterology & Hepatology

Year:

2011

Language:

english

File:

PDF, 148 KB

english, 2011

14

Bi-antennary oligo-(N-acetyllactosamino)glycans of I-type are galactosylated preferentially at the GlcNAcβ1-6Gal linked arms by α1,3-galactosyltransferase of bovine thymus

Antti Seppo, Leena Penttilä, Anne Leppänen, Hannu Maaheimo, Ritva Niemelä, Jari Helin, Jean-Michel Wieruszeski, Ossi Renkonen

Journal:

Glycoconjugate Journal

Year:

1994

Language:

english

File:

PDF, 826 KB

english, 1994

15

The Significance of the 50th Birthday for Women's Individuation

Niemelä, Pirrko, Lento, Ritva

Journal:

Women & Therapy

Year:

1993

Language:

english

File:

PDF, 84 KB

english, 1993

16

50 ÅR SOM VÅNDPUNKT I KVINNANS LIV

Niemelä, Pirkko, Rantola, Ritva

Journal:

Nordisk Psykologi

Year:

1982

File:

PDF, 511 KB

1982

17

Oligo-N-acetyllactosaminoglycans bearing Galβ1-4(Fucα1-3)GlcNAc sequences reveal lower affinities than their nonfucosylated, or α(1-2) fucosylated counterparts for immobilized wheat germ agglutinin

Ossi Renkonen, Jari Helin, Leena Penttilä, Hannu Maaheimo, Ritva Niemelä, Anne Leppänen, Antti Seppo, Karl Hård

Journal:

Glycoconjugate Journal

Year:

1991

Language:

english

File:

PDF, 589 KB

english, 1991

18

Construction of linear GlcNAcβ1-6Galβ1-OR type oligosaccharides by partial cleavage of GlcNAcβ1-3(GlcNAcβ1-6)Galβ1-OR sequences with jack bean β-N-acetylhexosaminidase

Ossi Renkonen, Ritva Niemelä, Anne Leppänen, Hannu Maaheimo, Antti Seppo, Leena Penttilä, Anja Vilkman

Journal:

Glycoconjugate Journal

Year:

1991

Language:

english

File:

PDF, 617 KB

english, 1991

19

“Is an accreditation seal worth the effort?”

Niemelä, Hanna, Okkola, Taija, Nurkka, Annikka, Kuisma, Mikko, Tuunila, Ritva

Journal:

Quality Assurance in Education

Year:

2014

Language:

english

File:

PDF, 117 KB

english, 2014

20

Free Volume and Tacticity in Polystyrenes

Dammert, Ritva M., Maunu, Sirkka L., Maurer, Frans H. J., Neelov, Igor M., Niemelä, Satu, Sundholm, Franciska, Wästlund, Camilla

Journal:

Year:

1999

Language:

english

File:

PDF, 266 KB

english, 1999

21

Single mid-chain GlcNAcβ1-6Galβ1-4R sequences of linear oligosaccharides are resistant to endo-β-galactosidase ofBacteroides fragilis

Ossi Renkonen, Leena Penttilä, Ritva Niemelä, Anne Leppänen

Journal:

Glycoconjugate Journal

Year:

1991

Language:

english

File:

PDF, 445 KB

english, 1991

22

Oligosaccharide Constructs with Defined Structures That Inhibit Binding of Mouse Sperm to Unfertilized Eggs in Vitro

Litscher, Eveline S., Juntunen, Kari, Seppo, Antti, Penttila, Leena, Niemela, Ritva, Renkonen, Ossi, Wassarman, Paul M.

Journal:

Year:

1995

Language:

english

File:

PDF, 2.14 MB

english, 1995

23

Escherichia coli β-galactosidase unexpectedly cleaves the hexasaccharide Galβ1-4GlcNAcβ1-3(Galβ1-4GlcNAcβ1-6)Galβ1-4GlcNAc without branch specificity

Renkonen, Ossi, Helin, Jari, Vainio, Anja, Niemelä, Ritva, Penttilä, Leena, Hilden, Pekka

Journal:

Biochemistry and Cell Biology

Year:

1990

Language:

english

File:

PDF, 653 KB

english, 1990

24

Enzymatic synthesis of two lacto- N -neohexaose-related Lewis x heptasaccharides and their separation by chromatography on

Natunen, Jari, Niemelà, Ritva, Penttil`, Leena, Seppo, Antti, Ruohtula, Terfai, Renkonen, Ossi

Journal:

Year:

1994

Language:

english

File:

PDF, 587 KB

english, 1994

25

Enzymatic synthesis of site-specifically (α 1–3)-fucosylated polylactosamines containing either a sialyl Lewis x, a VIM-2, or a sialylated and internally difucosylated sequence

Jarkko Räbinä, Jari Natunen, Ritva Niemelä, Heidi Salminen, Kristiina Ilves, Olli Aitio, Hannu Maaheimo, Jari Helin, Ossi Renkonen

Journal:

Carbohydrate Research

Year:

1997

Language:

english

File:

PDF, 702 KB

english, 1997

26

A novel β-N-acetylglucosaminidase activity in hog gastric mucosal microsomes: Preferential hydrolysis of terminal GlcNAcß1-3 linkages in GlcNAcß1-3(GlcNAcß1-6)Galß1-GlcNAc, but GlcNAcß1-6 linkages in GlcNAcß1-3(GlcNAcß1-6)Gal

Jari Helin, Antti Seppo, Anne Leppänen, Leena Penttilä, Hannu Maaheimo, Ritva Niemelä, Sari Lauri, Ossi Renkonen

Journal:

Year:

1993

Language:

english

File:

PDF, 609 KB

english, 1993

27

Wheat germ agglutinin chromatography of GlcNacβ1-3(GlcNAcβl-6)Gal and GlcNAcβ1-3(GlcNAcβ1-6)Galβ1-4GlcNAc, obtained by in vitro synthesis and by partial cleavage of teratocarcinoma poly- N -acetyllactosaminoglycans

Seppo, Antti, Penttilä, Leena, Makkonen, Anne, Leppänen, Anne, Niemelä, Ritva, Jäntti, Jussi, Helin, Jari, Renkonen, Ossi

Journal:

Biochemistry and Cell Biology

Year:

1990

Language:

english

File:

PDF, 1.03 MB

english, 1990

28

α2,3-Sialyl and α1,3-fucosyltransferase-dependent synthesis of sialyl Lewis x, an essential oligosaccharide present on L-selectin counterreceptors, in cultured endothelial cells

Marja-Leena Majuri, Mari Pinola, Ritva Niemelä, Sinikka Tiisala, Jari Natunen, Ossi Renkonen, Risto Renkonen

Journal:

European Journal of Immunology

Year:

1994

Language:

english

File:

PDF, 632 KB

english, 1994

29

Expression and function of α2,3-sialyl- and α,3/l,4-fucosyltransferases in colon adenocarcinoma cell lines: Role in synthesis of E-selectin counter-receptors

Marja-Leena Majuri, Ritva Niemelä, Sinikka Tiisala, Ossi Renkonen, Risto Renkonen

Journal:

International Journal of Cancer

Year:

1995

Language:

english

File:

PDF, 1.12 MB

english, 1995

30

Elongation of both branches of biantennary backbones of oligo-(N-acetyllactosamino)glycans by human serum (1 → 3)-N-acetyl-β-d-glucosaminyltransferase

Anja Vilkman, Ritva Niemelä, Leena Penttilä, Jari Helin, Anne Leppänen, Antti Seppo, Hannu Maaheimo, Sari Lusa, Ossi Renkonen

Journal:

Carbohydrate Research

Year:

1992

Language:

english

File:

PDF, 1.23 MB

english, 1992

31

Enzyme-assisted synthesis of a bivalent high-affinity dodecasaccharide inhibitor of mouse gamete adhesion The length of the chains carrying distal α1,3-bonded galactose residues is critical

Ritva Niemelä, Leena Penttilä, Antti Seppo, Jari Helin, Anne Leppänen, Jarkko Räbinä, Lotta Uusitalo, Hannu Maaheimo, Jyrki Taskinen, Catherine E. Costello, Ossi Renkonen

Journal:

Year:

1995

Language:

english

File:

PDF, 526 KB

english, 1995

32

Erratum: Wheat germ agglutinin chromatography of GlcNAcβ1-3(GlcNAcβ1-6)Gal and GlcNAcβ1-3(GlcNAcβ1-6)Galβ1-4GlcNAc, obtained by in vitro synthesis and by partial cleavage of teratocarcinoma poly- N -acetyllactosaminoglycans

Seppo, Antti, Penttilä, Leena, Makkonen, Anne, Leppänen, Anne, Niemelä, Ritva, Jäntti, Jussi, Helin, Jari, Renkonen, Ossi

Journal:

Biochemistry and Cell Biology

Year:

1990

Language:

english

File:

PDF, 148 KB

english, 1990

33

N-Acetyllactosaminooligosaccharides that contain the β-d-GlcpNAc-(1→6)-d-Gal or β-d-GlcpNAc-(1→6)-d-GalNAc sequences reveal reduction-sensitive affinites for wheat germ agglutinin

Ossi Renkonen, Leena Penttilä, Ritva Niemelä, Anja Vainio, Anne Leppänen, Jari Helin, Antti Seppo, Anne Makkonen, Hannu Maaheimo

Journal:

Carbohydrate Research

Year:

1991

Language:

english

File:

PDF, 1.06 MB

english, 1991

34

Site-directed enzymatic α-(1 → 3)-l-fucosylation of the tetrasaccharide Galβ(1 → 4)GlcNAcβ(1 → 3)Galβ(1 → 4)GlcNAc at the distal N-acetyllactosamine unit

Ritva Niemelä, Jarkko Räbinä, Anne Leppänen, Hannu Maaheimo, Catherine E. Costello, Ossi Renkonen

Journal:

Carbohydrate Research

Year:

1995

Language:

english

File:

PDF, 493 KB

english, 1995

35

Enzymic Synthesis of Octadecameric Saccharides of Multiply Branched Blood Group I-Type, Carrying Four Distal .alpha.1,3-Galactose or .beta.1,3-GlcNAc Residues. [Erratum to document cited in CA122:291382]

Seppo, Antti, Penttila, Leena, Niemelae, Ritva, Maaheimo, Hannu, Renkonen, Ossi, Keane, Anita

Journal:

Year:

1995

Language:

english

File:

PDF, 41 KB

english, 1995

36

Enzymatic in vitro synthesis of radiolabeled pentasaccharides GlcNAcβ1-3(Galβ1-4GlcNAcβl-6)Galβ1-4GlcNAc/Glc and the isomeric Galβ1-4GlcNAcβ1-3(GlcNAcβ1-6)Galβ1-4GlcNAc/Glc

Renkonen, Ossi, Leppänen, Anne, Niemelä, Ritva, Vilkman, Anja, Helin, Jari, Penttilä, Leena, Maaheimo, Hannu, Seppo, Antti, Suopanki, Jaana

Journal:

Biochemistry and Cell Biology

Year:

1992

Language:

english

File:

PDF, 687 KB

english, 1992

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