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van de Velde, F. (author), Peppelman, H.A. (author), Rollema, H.S. (author), Tromp, R.H. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)The coil-to-helix transition and temperature dependence of the viscosity of commercial κ/ι-hybrid carrageenans produced by the red algae Sarcothalia crispata, Mazaella laminarioides, and Chondrus crispus were studied using rheometry and optical rotation. The structure of these κ/ι-hybrid carrageenans was determined by 1H and 13C NMR spectroscopy...article 2001
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Heeres, A. (author), van Doren, H.A. (author), Gotlieb, K.F. (author), Bleeker, I.P. (author), Bergsma, J. (author), Kellogg, R.M. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)Granular 2-nitropropyl potato starch was synthesized by reaction with 2-nitropropyl acetate in an aqueous suspension. Nitroalkylation occurs preferentially with the amylose fraction of potato starch, as was confirmed by leaching experiments and digestion of the modified starch with α-amylase. The 2-nitropropyl substituent is a mixture of the...article 2001
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TNO Preventie en Gezondheid (author), Huisman, J.G. (author), Carotenuto, A. (author), Labrijn, A.F. (author), Papavoine, C.H.M. (author), Laman, J.D. (author), Schellekens, M.M. (author), Koppelman, M.H.G.M. (author), Hilbers, C.W. (author)To identify structural constraints and amino acid sequences important for antibody recognition of the third variable domain (V3) of HIV-1 gp120, we have studied the solution conformation of three 35-mer circular V3 loop peptides derived from HIV-1 strains which differ in syncytium- (SI) and non-syncytium-inducing (NSI) capacity. In addition to...article 2000