R. Geyer

Publication List Details

Period

1897 - 2009

Number

76

Co-Authors

Measurement of the Longitudinal Spin Transfer to Lambda and Anti-Lambda Hyperons in Polarised Muon DIS (2009)

Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Austregesilo, A, ...

The longitudinal polarisation transfer from muons to lambda and anti-lambda hyperons, D_LL, has been studied in deep inelastic scattering off an unpolarised isoscalar target at the COMPASS experiment...

On the Production of $\pi^+\pi^+$ Pairs in pp Collisions at 0.8 GeV (2009)

El-Samad, S. Abd, Bilger, R., Brinkmann, K. -Th., Clement, H., Dietrich, M., Doroshkevich, E., ...

Data accumulated recently for the exclusive measurement of the $pp\to pp\pi^+\pi^-$ reaction at a beam energy of 0.793 GeV using the COSY-TOF spectrometer have been analyzed with respect to possible...

Flavour Separation of Helicity Distributions from Deep Inelastic Muon-Deuteron Scattering (2009)

Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Austregisilio, A, ...

We present a LO evaluation of helicity densities of valence, \Delta u_v+\Delta d_v, non-strange sea, \Delta\bar{u}+\Delta\bar{d}, and strange quarks, \Delta s (assumed to be equal to \Delta\bar{s})....

Single-Pion Production in pp Collisions at 0.95 GeV/c (II) (2008)

El-Samad, S. Abd, Bilger, R., Brinkmann, K. Th., Clement, H., Dietrich, M., Doroshkevich, E., ...

The single-pion production reactions $pp\to d\pi^+$, $pp\to np\pi^+$ and $pp\to pp\pi^0$ were measured at a beam momentum of 0.95 GeV/c ($T_p \approx$ 400 MeV) using the short version of the COSY-TOF...

Two-Pion Production in Proton-Proton Collisions with Polarized Beam (2008)

El-Bary, S. Abd, El-Samad, S. Abd, Bilger, R., Brinkmann, K. -Th., Clement, H., Dietrich, M., ...

The two-pion production reaction $\vec{p}p\to pp\pi^+\pi^-$ was measured with a polarized proton beam at $T_p \approx$ 750 and 800 MeV using the short version of the COSY-TOF spectrometer. The...

Direct Measurement of the Gluon Polarisation in the Nucleon via Charmed Meson Production (2008)

Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...

We present the first measurement of the gluon polarisation in the nucleon based on the photon-gluon fusion process tagged by charmed meson production and decay to charged K and pi. The data were...

Direct Measurement of the Gluon Polarisation in the Nucleon via Charmed Meson Production (2008)

Alekseev, M, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, Badelek, B, ...

We present the first measurement of the gluon polarisation in the nucleon based on the photon-gluon fusion process tagged by charmed meson production and decay to charged K and pi. The data were...

Collins and Sivers Transverse Spin Asymmetries for Pions and Kaons on Deuterons (2008)

Aleeksev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...

The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COMPASS are presented....

Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS (2008)

Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Arbuzov, A., ...

The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COMPASS are presented....

Collins and Sivers Transverse Spin Asymmetries for Pions and Kaons on Deuterons (2008)

Aleeksev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...

The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COMPASS are presented....

Analyzing the causes and spatial pattern of the European 2003 carbon flux anomaly using seven models (2008)

Vetter, M., Churkina, G., Jung, M., Reichstein, M., Zaehle, S., Bondeau, A., ...

Globally, the year 2003 is associated with one of the largest atmospheric CO2 rises on record. In the same year, Europe experienced an anomalously strong flux of CO2 from the land to the atmosphere...

Analyzing the causes and spatial pattern of the European 2003 carbon flux anomaly using seven models (2008)

Vetter, M., Churkina, G., Jung, M., Reichstein, M., Zaehle, S., Bondeau, A., ...

Globally, the year 2003 is associated with one of the largest atmospheric CO2 rises on record. In the same year, Europe experienced an anomalously strong flux of CO2 from the land to the atmosphere...

Analyzing the causes and spatial pattern of the European 2003 carbon flux anomaly using seven models (2008)

M. Vetter, G. Churkina, M. Jung, M. Reichstein, S. Zaehle, A. Bondeau, ...

Globally, the year 2003 is associated with one of the largest atmospheric CO<sub>2</sub> rises on record. In the same year, Europe experienced an anomalously strong flux of...

The Polarised Valence Quark Distribution from semi-inclusive DIS (2007)

Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...

The semi-inclusive difference asymmetry A^{h+ - h-} for hadrons of opposite charge has been measured by the COMPASS experiment at CERN. The data were collected in the years 2002-2004 using a 160 GeV...

Double spin asymmetry in exclusive $\rho^0$ muoproduction at COMPASS (2007)

Alexakhin, V Yu, Alekseev, M, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Arbuzov, A, ...

The longitudinal double spin asymmetry A_1^rho for exclusive leptoproduction of rho^0 mesons, mu + N -> mu + N + rho, is studied using the COMPASS 2002 and 2003 data. The measured reaction is...

The COMPASS Experiment at CERN (2007)

Abbon, P, Albrecht, E, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Alekseev, M G, ...

The COMPASS experiment makes use of the CERN SPS high-intensitymuon and hadron beams for the investigation of the nucleon spin structure and the spectroscopy of hadrons. One or more outgoing...

Spin asymmetry $A^d_1$ and the spin-dependent structure function $g^d_1$ of the deuteron at low values of $x$ and $Q^2$ (2007)

Ageev, E S, Alexakhin, V Yu, Alexandrov, Y, Alexeev, G D, Amoroso, A, Badelek, B, ...

We present a precise measurement of the deuteron longitudinal spin asymmetry $A_1^d$ and of the deuteron spin-dependent structure function $g_1^d$ at $Q^2 < $ 1~(GeV/$c$)$^2$ and $4\cdot$10$^{-5} < x...

Linking flux network measurements to continental scale simulations: ecosystem carbon dioxide exchange capacity under non-water-stressed conditions (2007)

Owen, K.E., Tenhunen, J., Reichstein, M., Wang, Q., Falge, E., Geyer, R., ...

This paper examines long-term eddy covariance data from 18 European and 17 North American and Asian forest, wetland, tundra, grassland, and cropland sites under non-water-stressed conditions with an...

Analyzing the causes and spatial pattern of the European 2003 carbon flux anomaly in Europe using seven models (2007)

Vetter, M., Churkina, G., Jung, M., Reichstein, M., Zaehle, S., Bondeau, A., ...

Globally, the year 2003 is associated with one of the largest atmospheric CO2 rises on record. In the same year, Europe experienced an anomalously strong flux of CO2 from the land to the atmosphere...

Analyzing the causes and spatial pattern of the European 2003 carbon flux anomaly in Europe using seven models (2007)

Vetter, M., Churkina, G., Jung, M., Reichstein, M., Zaehle, S., Bondeau, A., ...

Globally, the year 2003 is associated with one of the largest atmospheric CO2 rises on record. In the same year, Europe experienced an anomalously strong flux of CO2 from the land to the atmosphere...

Analyzing the causes and spatial pattern of the European 2003 carbon flux anomaly in Europe using seven models (2007)

M. Vetter, G. Churkina, M. Jung, M. Reichstein, S. Zaehle, A. Bondeau, ...

Globally, the year 2003 is associated with one of the largest atmospheric CO<sub>2</sub> rises on record. In the same year, Europe experienced an anomalously strong flux of...

A new measurement of the Collins and Sivers asymmetries on a transversely polarised deuteron target (2006)

Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Alexeev, M, Amoroso, A, ...

New high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarised 6LiD target are presented. The data...

The Deuteron Spin-dependent Structure Function $g^{d}_1$ and its First Moment (2006)

Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Alexeev, M, Amoroso, A, Badeek, B, ...

We present a measurement of the deuteron spin-dependent structure function g^d_1 based on the data collected by the COMPASS experiment at CERN during the years 2002-2004. The data provide an accurate...

Single-Pion Production in pp Collisions at =.95 GeV/c (I) (2006)

El-Samad, S Abd, Bilger, R., Brinkmann, K. -Th., Clement, H., Dietrich, M., Doroshkevich, E., ...

The single-pion production reactions $pp\to d\pi^+$, $pp\to np\pi^+$ and $pp\to pp\pi^0$ were measured at a beam momentum of 0.95 GeV/c ($T_p \approx$ 400 MeV) using the short version of the COSY-TOF...

Experimental determination of the complete spin structure for anti-proton + proton -> anti-\Lambda + \Lambda at anti-proton beam momentum of 1.637 GeV/c (2006)

Quinn, B., Berdoz, A., Franklin, G. B., Khaustov, P., Meyer, C. A., ...

The reaction anti-proton + proton -> anti-\Lambda + \Lambda -> anti-proton + \pi^+ + proton + \pi^- has been measured with high statistics at anti-proton beam momentum of 1.637 GeV/c. The use of a...

Gluon polarization in the nucleon from quasi-real photoproduction of high-pT hadron pairs (2005)

Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badelek, B, ...

We present a determination of the gluon polarization Delta G/G in the nucleon, based on the helicity asymmetry of quasi-real photoproduction events, Q^2

Search for the $\phi (1860)$ Pentaquark at COMPASS (2005)

Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...

Narrow Xi-pi+- and Xi-bar+pi+- resonances produced by quasi-real photons have been searched for by the COMPASS experiment at CERN. The study was stimulated by the recent observation of an exotic...

Search for the $\phi (1860)$ Pentaquark at COMPASS (2005)

Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...

Narrow Xi-pi+- and Xi-bar+pi+- resonances produced by quasi-real photons have been searched for by the COMPASS experiment at CERN. The study was stimulated by the recent observation of an exotic...

First Measurement of the Transverse Spin Asymmetries of the Deuteron in Semi-Inclusive Deep Inelastic Scattering (2005)

Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, Balestra, F, ...

First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6-LiD target are presented. The data were taken...

First Measurement of the Transverse Spin Asymmetries of the Deuteron in Semi-Inclusive Deep Inelastic Scattering (2005)

Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, Balestra, F, ...

First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6-LiD target are presented. The data were taken...

Measurement of the Spin Structure of the Deuteron in the DIS Region (2005)

Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...

We present a new measurement of the longitudinal spin asymmetry A_1^d and the spin-dependent structure function g_1^d of the deuteron in the range 1 GeV^2 < Q^2 < 100 GeV^2 and 0.004< x

Measurement of the Spin Structure of the Deuteron in the DIS Region (2005)

Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...

We present a new measurement of the longitudinal spin asymmetry A_1^d and the spin-dependent structure function g_1^d of the deuteron in the range 1 GeV^2 < Q^2 < 100 GeV^2 and 0.004< x

State-of-the-art mid-frequency sputtered ZnO films for thin film silicon solar cells and modules (2003)

Müller, J., Schöpe, G., Kluth, O., Rech, B., Sittinger, V., Szyszka, B., ...

This article reports on the use of ZnO films in silicon thin film p-i-n solar cells and modules. It summarizes the status in the final phase of a joint research project aiming at the development of...

Measurement of Spin Transfer Observables in Antiproton-Proton -> Antilambda-Lambda at 1.637 GeV/c (2002)

Bassalleck, B., Berdoz, A., Bradtke, C., Bröders, R., Bunker, B., Dennert, H., ...

Spin transfer observables for the strangeness-production reaction Antiproton-Proton -> Antilambda-Lambda have been measured by the PS185 collaboration using a transversely-polarized frozen-spin...

State-of-the-art mid-frequency sputtered ZnO films for thin film silicon solar cells and modules (2002)

Müller, J., Schöpe, G., Kluth, O., Rech, B., Sittinger, V., Szyszka, B., ...

This paper reports on the use of ZnO-films, prepared by reactive mid-frequency (mf) sputtering on large area (60 x 100 cm²) glass substrates, in silicon thin film p-i-n solar cells and modules. It...

Measurement of the $\overline{p}p \to K_S K_S \eta$ cross section at beam momenta in the regions of 1.45 and 1.7 GeV/c (2001)

Barnes, P D, Bunker, B D, Dennert, H, Eisenstein, R A, Eyrich, W, Fischer, H, ...

The PS185 experiment at LEAR/CERN has investigated strangeness production in antiproton-proton collisions with final states such as $\overline{\Lambda} \Lambda$, $\overline{\Sigma}^0 \Lambda + c.c$,...

Measurement of the $\overline{p}p \to K_S K_S \eta$ cross section at beam momenta in the regions of 1.45 and 1.7 GeV/c (2001)

Barnes, P. D., Bunker, B., Dennert, H., Eisenstein, R. A., Eyrich, W., Fischer, H., ...

The PS185 experiment at LEAR/CERN has investigated strangeness production in antiproton-proton collisions with final states such as $\overline{\Lambda} \Lambda$, $\overline{\Sigma}^0 \Lambda + c.c$,...

Characterization of N-glycans from mouse brain neural cell adhesion molecule (2001)

Liedtke, S., Geyer, H., Wuhrer, M., Geyer, R., Frank, G., Gerardy-Schahn, R., ...

The N-glycosylation pattern of the neural cell adhesion molecule (NCAM), isolated from brains of newborn mice, has been analyzed. Following digestion with trypsin, generated glycopeptides were...

Glycoinositolphosphosphingolipids, basidiolipids, of higher mushrooms (2001)

Jennemann, R., Geyer, R., Sandhoff, R., Gschwind, R. M., Levery, S. B., Groene, H. J., ...

The basidiolipids of six mushroom species, i.e. the basidiomycetes Amanita virosa (engl., death cup), Calvatia exipuliformis (engl., puffball), Cantharellus cibarius (engl., chanterelle), Leccinum...

Novel glycoinositolphosphosphingolipids, basidiolipids, from Agaricus (1999)

Jennemann, R., Bauer, B. L., Bertalanffy, H., Geyer, R., Gschwind, R. M., Selmer, T., ...

From the edible mushroom, the basidiomycetes Agaricus bisporus and Agaricus campestris, a novel carbohydrate-homologous series of four glyco-inositol-phospho-sphingolipids, designated basidiolipids,...

Study of the reaction $\overline{p}p \to \phi \phi$ from 1.1 to 2.0 GeV/c (1998)

Evangelista, C, Palano, A, Drijard, Daniel, Hamann, N H, Jones, R T, Mouëllic, B, ...

A study has been performed of the reaction $\pptofourk$ using in-flight antiprotons from 1.1 to 2.0 GeV/$c$ incident momentum interacting with a hydrogen jet target. The reaction is dominated by the...

Study of the reaction pbar p -> phi phi from 1.1 to 2.0 GeV/c (1998)

Evangelista, C., Palano, A., Drijard, D., Hamann, N. H., Jones, R. T., Mouëllic, B., ...

A study has been performed of the reaction pbar p -> 4K using in-flight antiprotons from 1.1 to 2.0 GeV/c incident momentum interacting with a hydrogen jet target. The reaction is dominated by the...

Search for narrow $p\overline p$ resonances in the reaction $p\overline p\top\overline p \pi^{+}\pi^-$ (1998)

Buzzo, A, Debevec, P T, Drijard, Daniel, Eisenstein, R A, Evangelista, C, Eyrich, W, ...

The reaction pbar p -> pbar p pi+ pi- has been studied with high statistics at CERN-LEAR with incident pbar momenta from 1.65 to 2.0 GeV/c by the JETSET (PS202) experiment. The aim of this paper is...

Search for narrow pbar p resonances in the reaction pbar p>pbar p pi+pi- (1998)

Buzzo, A., Debevec, P., Drijard, D., Eisenstein, R. A., Evangelista, C., Eyrich, W., ...

The reaction pbar p -> pbar p pi+ pi- has been studied with high statistics at CERN-LEAR with incident pbar momenta from 1.65 to 2.0 GeV/c by the JETSET (PS202) experiment. The aim of this paper is...

Measurement of the pbar p -> Ks Ks Reaction from 0.6 to 1.9 GeV/c (1997)

Evangelista, C., Palano, A., Drijard, D., Hamann, N. H., Jones, R. T., Mouellic, B., ...

The pbar p -> Ks Ks -> 4pi+/- cross section was measured at incident antiproton momenta between 0.6 and 1.9 GeV/c using the CERN Low Energy Antiproton Ring (LEAR). This investigation was part of a...

Measurement of the $\overline{p}p \to Ks Ks$ Reaction from 0.6 to 1.9 GeV/c (1997)

Evangelista, C, Palano, A, Drijard, Daniel, Hamann, N H, Jones, R T, Mouëllic, B, ...

The pbar p -> Ks Ks -> 4pi+/- cross section was measured at incident antiproton momenta between 0.6 and 1.9 GeV/c using the CERN Low Energy Antiproton Ring (LEAR). This investigation was part of a...

Observables in high-statistics measurements of the reaction $\overline{p}p$ --> $\overline{\Lambda}\Lambda$ (1996)

Barnes, P D, Birien, P, Breunlich, W H, Bröders, R, Dennert, H, Diebold, G, ...

Associated strangeness production was studied in the $\bar{\rm p}{\rm p}\rightarrow \bar{\Lambda}\Lambda \rightarrow \bar{\rm p}\pi^{+} {\rm p}\pi^{-}$ reaction at the CERN antiproton facility LEAR...

Production of Antihydrogen (1995)

G. Baur, G. Boero, S. Brauksiepe, A. Buzzo, W. Eyrich, R. Geyer, ...

forces, however, in our investigations we concentrate on the production of this antimatter object, since so far it has never been observed before. The production of 11 antihydrogen atoms is reported...

Glycosphingolipids in cestodes (1992)

Dennis, R. D., Baumeister, St., Geyer, R., Peter-Katalinic, J., Hartmann, R., Egge, H., ...

The definitive version is available at www.blackwell-synergy.com under http://search.ebscohost.com/login.aspx?direct=true&db=aph&AN=13670688&site=ehost-live

N-acetyl-beta-glucosaminidase accounts for differences in glycosylation of influenza virus hemagglutinin expressed in insect cells from a baculovirus vector.

Wagner, R, Geyer, H, Geyer, R, Klenk, H D

The hemagglutinin of fowl plague virus has been expressed in Spodoptera frugiperda (Sf9) cells and in Estigmene acrea cells by using a baculovirus vector. Structural analysis revealed that the...

Carbohydrates of influenza virus. Structural elucidation of the individual glycans of the FPV hemagglutinin by two-dimensional 1H n.m.r. and methylation analysis.

Keil, W, Geyer, R, Dabrowski, J, Dabrowski, U, Niemann, H, Stirm, S, ...

The structures of the oligosaccharides of the hemagglutinin of fowl plague virus [influenza A/FPV/Rostock/34 (H7N1)] have been elucidated by one- and two-dimensional 1H n.m.r. spectroscopy at 500 MHz...

The carbohydrates of mouse hepatitis virus (MHV) A59: structures of the O-glycosidically linked oligosaccharides of glycoprotein E1.

Niemann, H, Geyer, R, Klenk, H D, Linder, D, Stirm, S, Wirth, M

Two size classes of O-glycosidically linked oligosaccharides were liberated from glycoprotein E1 of mouse hepatitis virus (MHV) A59 by reductive beta-elimination and separated by h.p.l.c. The...

Phosphocholine-containing, zwitterionic glycosphingolipids of adult Onchocerca volvulus as highly conserved antigenic structures of parasitic nematodes.

Wuhrer, M, Rickhoff, S, Dennis, R D, Lochnit, G, Soboslay, P T, Baumeister, S, ...

Human Onchocerca volvulus infection sera were found to recognize zwitterionic glycolipids of O. volvulus and to cross-react with those of other parasitic nematodes (Ascaris suum, Setaria digitata and...

Carbohydrate structure of human pancreatic elastase 1.

Wendorf, P, Linder, D, Sziegoleit, A, Geyer, R

Human pancreatic elastase 1 (E1) is a glycoprotein containing two potential N-glycosylation sites, one of which carries a carbohydrate moiety [Wendorf, Geyer, Sziegoleit & Linder (1989) FEBS Lett....

N-acetyl-beta-glucosaminidase accounts for differences in glycosylation of influenza virus hemagglutinin expressed in insect cells from a baculovirus vector.

Wagner, R, Geyer, H, Geyer, R, Klenk, H D

The hemagglutinin of fowl plague virus has been expressed in Spodoptera frugiperda (Sf9) cells and in Estigmene acrea cells by using a baculovirus vector. Structural analysis revealed that the...

Carbohydrates of influenza virus. Structural elucidation of the individual glycans of the FPV hemagglutinin by two-dimensional 1H n.m.r. and methylation analysis.

Keil, W, Geyer, R, Dabrowski, J, Dabrowski, U, Niemann, H, Stirm, S, ...

The structures of the oligosaccharides of the hemagglutinin of fowl plague virus [influenza A/FPV/Rostock/34 (H7N1)] have been elucidated by one- and two-dimensional 1H n.m.r. spectroscopy at 500 MHz...

The carbohydrates of mouse hepatitis virus (MHV) A59: structures of the O-glycosidically linked oligosaccharides of glycoprotein E1.

Niemann, H, Geyer, R, Klenk, H D, Linder, D, Stirm, S, Wirth, M

Two size classes of O-glycosidically linked oligosaccharides were liberated from glycoprotein E1 of mouse hepatitis virus (MHV) A59 by reductive beta-elimination and separated by h.p.l.c. The...

Carbohydrate structure of human pancreatic elastase 1.

Wendorf, P, Linder, D, Sziegoleit, A, Geyer, R

Human pancreatic elastase 1 (E1) is a glycoprotein containing two potential N-glycosylation sites, one of which carries a carbohydrate moiety [Wendorf, Geyer, Sziegoleit & Linder (1989) FEBS Lett....

Phosphocholine-containing, zwitterionic glycosphingolipids of adult Onchocerca volvulus as highly conserved antigenic structures of parasitic nematodes.

Wuhrer, M, Rickhoff, S, Dennis, R D, Lochnit, G, Soboslay, P T, Baumeister, S, ...

Human Onchocerca volvulus infection sera were found to recognize zwitterionic glycolipids of O. volvulus and to cross-react with those of other parasitic nematodes (Ascaris suum, Setaria digitata and...