Carbohydrate Research, 233 (1992) C15—C17 Elsevier Science Publishers B.V., Amsterdam CONTENTS '3C-CP/MAS NMR studies of the cyclomalto-oligosaccharide (cyclodextrin) hydrates S.J. Heyes, N.J. Clayden and C.M. Dobson (Oxford, UK) Conformational analysis of the anomeric forms of sophorose, laminarabiose, and cellobiose using MM3 M.K. Dowd (Ames, IA, USA), A.D. French (New Orleans, LA, USA) and P.J. Reilly (Ames, IA, USA) The crystal and molecular structures of the pentitol penta-acetates J. Kopf, M. Morf, B. Zimmer (Hamburg, Germany) and P. K6ll (Oldenburg, Germany) . . Characterisation by 'H NMR spectroscopy of enzymically derived oligosaccharides from alkali- extractable wheat-flour arabinoxylan H. Gruppen (Wageningen, Netherlands), R.A. Hoffmann (Utrecht, Netherlands), F.J.M. Kormelink, A.G.J. Voragen (Wageningen, Netherlands), J.P. Kamerling and J.F.G. Vliegenthart (Utrecht, Netherlands) The application of NMR-pattern-recognition methods to the classification of peracetylated oligosaccharide residues: effects of intraclass structure D.S. Weber and W.J. Goux (Richardson, TX, USA) Composition analysis of sulfoethylcelluloses by high-pH anion-exchange chromatography with pulsed amperometric detection E.A. Kragten, J.P. Kamerling, J.F.G. Vliegenthart (Utrecht, Netherlands), H. Botter and J.G. Batelaan (Arnhem, Netherlands) Synthesis of disialoganglioside GD1a and its positional isomer H. Prabhanjan, K. Aoyama, M. Kiso and A. Hasegawa (Gifu, Japan) Syntheses of specifically deoxygenated methyl a-isomaltotriosides E. Petrakova, P. Kovaé and C.P.J. Glaudemans (Bethesda, MD, USA) (+ )-6-Acetamido-1,2-anhydro-6-deoxy-myo-inositol: a tight-binding inhibitor and pseudosub- strate for N-acetyl-B-glucosaminidases G. Legler and R. Bollhagen (K6In, FRG) A spacer-modified disaccharide as a photoaffinity reagent for the acceptor-binding area of bovine (1 — 4)-8-p-galactosyltransferase: comparison of its acceptor properties with those of other 2-acetamido-2-deoxy-B-p-glucopyranosides S.-C. Ats, J. Lehmann and S. Petry (Freiburg, FRG) Spacer-modified trisaccharide glycosides that mimic the biantennary Asn-linked oligosaccharide acceptor of (1 — 4)-6-p-galactosyltransferase and can be used as competitive inhibitors and for irreversible deactivation S.-C. Ats, J. Lehmann and S. Petry (Freiburg, FRG) C16 Cont/e Cnarbtohsydr . Res. 233 (1992) C15—C17 Structural characterization of a novel diglycosyl diacylglyceride glycolipid from Rhizobium trifolii ANU843 G.G. Orgambide, R.I. Hollingsworth and F.B. Dazzo (East Lansing, MI, USA) The amylose—iodine complex K.A. Murdoch (Glasgow, UK) Artificial antigens. Synthetic carbohydrate haptens immobilized on crystalline bacterial surface layer glycoproteins P. Messner, M.A. Mazid, F.M. Unger (Edmonton, AB, Canada) and U.B. Sleytr (Wien, Austria) Structure of the polysaccharide chains of Pseudomonas pseudomallei \ipopolysaccharides Y.A. Knirel, N.A. Paramonov, A.S. Shashkov, N.K. Kochetkov (Moscow, Russia), R.G. Yarullin, S.M. Farber and V.I. Efremenko (Volgograd, Russia) Structural elucidation of the capsular polysaccharide of E. coli serotype K47 A.H. De Bruin, H. Parolis and L.A.S. Parolis (Grahamstown, South Africa) Structural variability in the glucuronoxylomannan of Cryptococcus neoformans serotype A isolates determined by '*C NMR spectroscopy S.H. Turner, R. Cherniak, E. Reiss (Atlanta, GA, USA) and K.J. Kwon-Chung (Bethesda, Notes Estimation of dialdehyde groups in 2,3-dialdehyde bead-cellulose K. Pommerening, H. Rein (Berlin, Germany), D. Bertram and R. Miller (Leipzig, Germany) Struktur von 4-(Adenin-9-yl)-1,6-anhydro-4-desoxy-B-p-glucopyranose Dihydrat P. Luger und E. Rabius (Berlin, Deutschland) Negative-ion fast-atom-bombardment mass spectrometry of native gangliosides using a high-polar matrix system R. Isobe, R. Higuchi and T. Komori (Fukuoka, Japan) Assignment of ‘°C NMR signals for reduced nigerooligosaccharides prepared by partial acid hydrolysis of (1 — 3)-a-p-glucan A. Shimamura, Y. Uezono, H. Tsumori and H. Mukasa (Saitama, Japan) 2,3,4,6-Tetra-O-benzyl-B-p-galactopyranosyl phenyl sulfoxide as a glycosyl donor. Synthesis of some oligosaccharides containing an a-p-galactopyranosyl group A.K. Sarkar and K.L. Matta (Buffalo, NY, USA) A novel route to 2-deoxy-2-iodo-p-mannopyranose derivatives D. Miljkovi¢, E. Djurendi¢, N. Vukojevic, K. GaSi and J. Csanadi (Novi Sad, Yugoslavia) . A derivative of chitosan and 2,4-pentanedione with strong chelating properties M. Gomez-Guillén, A. G6mez-Sanchez and M.-E. Martin-Zamora (Seville, Spain) An improved synthesis of p-amicetose S. Lajsi¢é, D. Miljkovi¢ and G. Cetkovi¢ (Novi Sad, Yugoslavia) Contents / Carbohydr. Res. 233 (1992) C15-C17 A linear (1 — 5)-linked a-L-arabinofuranan from the seeds of guapuruvu (Schizolobium parahy- bum) S.F. Zawadzki-Baggio, M.-R. Sierakowski, J.B.C. Corréa and F. Reicher (Curitiba, Brazil) The major capsular polysaccharide of Cryptococcus neoformans serotype B A.K. Bhattacharjee (Washington, DC, USA), K.J. Kwon-Chung and C.P.J. Glaudemans (Bethesda, MD, USA) 271 Properties of two B-glucosidases purified from the termite Macrotermes muelleri and from its symbiotic fungus Termitomyces sp. C. Rouland, M. Matoub, P. Mora (Créteil, France) and F. Petek (Villejuif, France) Preliminary communications . A new and extremely fast synthesis of 2-deoxy-2,2-difluoro-p-arabino-hexose (2-deoxy-2,2-di- fluoro-p-glucose) A. El-Laghdach, M.I. Matheu, S. Castillon (Tarragona, Spain), C. Bliard, A. Olesker and G. Lukacs (Gif-sur-Yvette, France) Expedient syntheses of inososes from carbohydrates: conformational and stereoelectronic as- pects of the Ferrier reaction A.S. Machado (Gerais, Brazil), D. Dubreuil, J. Cleophax, $.D. Gero (Gif-sur-Yvette, France) and N.F. Thomas (Bath, UK) Author index Subject index Contents