R. W. Carlson

Publication List Details

Period

1994 - 2007

Number

106

Co-Authors

South-polar features on Venus similar to those near the north pole (2007)

Piccioni, G., Drossart, P., Sanchez-Lavega, A., Hueso, R., Taylor, F.W., Grassi, D., ...

Venus has no seasons, slow rotation and a very massive atmosphere, which is mainly carbon dioxide with clouds primarily of sulphuric acid droplets. Infrared observations by previous missions to Venus...

A dynamic upper atmosphere of Venus as revealed by VIRTIS on Venus Express (2007)

Drossart, P., Piccioni, G., Gerard, M., Sanchez-Lavega, A., Lopez-Valverde, M. A., Hueso, R., ...

The upper atmosphere of a planet is a transition region in which energy is transferred between the deeper atmosphere and outer space. Molecular emissions from the upper atmosphere (90–120 km...

Residual platinum-group minerals from highly depleted harzburgites of the Lherz massif (France) and their role in HSE fractionation of the mantle. (2007)

Luguet, A., Shirey, S. B., Lorand, J-P., Horan, M. F., Carlson, R. W.

In order to constrain the highly siderophile elements (HSE: Re and platinum group elements (PGE: Os, Ir, Ru, Pt and Pd)) host mineral(s) in refractory, base metal sulfide-free mantle residues, four...

(abstract) Galileo NIMS Thermal Observations of Asteroid 951 Gaspra (2004)

Weissman, P.R., Carlson, R.W., Smythe, W.D., Byrne, L.C., Ocampo, A.C., Kamp, L., ...

The Near Infrared Mapping Spectrometer (NIMS) onboard the Galileo spacecraft performed spectral and thermal imaging of asteroid 951 Gaspra during the spacecraft flyby on October 29, 1991....

Variations in Venus Cloud Particle Properties (2004)

Carlson, R. W., Kamp, L. W., Baines, K. H., Pollack, J. B., Grinspoon, G. H., Encrenaz, T., ...

Using Venus nightside data obtained by the Galileo Near Infrared Mapping spectrometer, we hav studied the correclation of 1.74 and 2.30 m radiation which is transmitted through the clouds.

Galileo Infrared Observations of the Shoemaker Levy 9 G and R Fireballs and Splash (2004)

Carlson, R. W., Weissman, P. R., Hui, J., Segura, M., Baines, K. H., Johnson, T. V., ...

The Galileo spacecraft was fortuitously situated for a direct view of the impacts of comet ShoemakerЌevy 9 in Jupiter's atmosphere and measurements were recorded by the Near Infrared Mapping...

Galileo Infrared Observations of the Shoemaker-Levy 9 G Impact Fireball: A Preliminary Report (2004)

Carlson, R.W., Weissman, P.R., Segura, M., Hui, J., Smythe, W.D., Johnson, T., ...

The Galileo spacecraft was fortuitously situated for a direct view of the impacts of the fragments of comet Shoemaker-Levy 9 in Jupiter's atmosphere. The Galileo Near Infrared Mapping Spectrometer...

Galileo NIMS Direct Observations of the SL-9 Fireballs (2004)

Carlson, R. W., Weissman, P. R., Hui, J., Segura, M., Johnson, T. V., Smythe, W. D., ...

The Galileo spacecraft was situated 1.8 AU from Jupiter, at a phase angle of 51 deg, providing a direct view of the impacts of the comet fragments with the planet. Low resolution infrared spectra in...

Galileo Infrared Observations of the Shoemaker-Levy 9 G and R Fireballs and Splash (2004)

Carlson, R.W., Weissman, P.R., Hui, J., Segura, M., Smythe, W.D., Baines, K.H., ...

Galileo data from the G and R events of the Shoemaker-Levy 9 impact are given and compared. (preliminary abstract only)

The Distribution of Sulfur Dioxide and Other Infrared Absorbers on the Surface of Io (2004)

Carlson, R. W., Smythe, W. D., Lopes-Gautier, R., Davies, A. G., Kamp, L. W., Mosher, J. A., ...

The Galileo Near Infrared Mapping Spectrometer was used to investigate the distribution and properties of sulfur dioxide over the surface of Io, and qualitative results for the anti-jove hemisphere...

Temperature, Size and Energy of the Shoemaker-Levy 9 G-Impact Fireball (2004)

Segura, M., Carlson, R. W., Weissman, P. R.

The fortunate position of the Galileo spacecraft provided us with a unique opportunity to directly observe the Shoemaker-Levy 9 impacts as they occurred on the far side of Jupiter, and we present...

Galileo's last fly-bys of Io: NIMS observation of Loki, Tupan, and Emakong (2004)

Lopes, R. M. C., Kamp, L. W., Davies, A. G., Smythe, W. D., Carlson, R. W., Doute, S., ...

This paper will discuss observations from the 2001 fly-bys of Io and present preliminary results from the last Galileo Io fly-by.

Sulfuric acid production on Europa: the radiolysis of sulfur in water ice (2004)

Carlson, R. W., Anderson, M. S., Johnson, R. E., Schulman, M. B., Yavrouian, A. A.

We measured the rate of sulfate anion production for cyclo-octal sulfur grains in frozen water at temperatures, energies, and dose rates appropriate for Europa using energetic electrons.

Hf isotope systematics of kimberlites and their megacrysts : New constraints on their source regions. (2004)

Nowell, G. M., Pearson, D. G., Bell, D. R., Carlson, R. W., Smith, C. B., Kempton, P. D., ...

Kimberlites from Southern Africa, along with their low-Cr megacrysts, have unusual Hf–Nd isotopic characteristics. Group I and Transitional kimberlites define arrays trending oblique to, and well...

The development of lithospheric keels beneath the earliest continents : time constraints using PGE and Re–Os isotope systematics. (2003)

Pearson, D. G., Irvine, G. J., Carlson, R. W., Kopylova, M. G., Ionov, D. A.

Continued studies of xenolith suites found in kimberlites on and around the Kaapvaal Craton, together with those from newly discovered localities on other cratons, are providing new insights into the...

A Methodology for Determining Patients' Eligibility for Clinical Trials S. W. Tu (2002)

S. W. Tu, C. A. Kemper, N. M. Lane, R. W. Carlson, M. A. Musen

The task of determining patients' eligibility for clinical trials is knowledge and data intensive. In this paper, we present a model for the task of eligibility determination, and describe how a...

Olivine-poor sources for mantle-derived magmas : Os and Hf isotopic evidence from potassic magmas of the Colorado Plateau. (2001)

Carlson, R. W., Nowell, G. M.

The contribution of olivine-poor lithologies (pyroxenite, eclogite, etc.) in the mantle to the composition of mantle-derived melts is a growing topic of discussion in light of results suggesting that...

Infrared Absorbers on the Surface of (1999)

R. W. Carlson, L. W. Kamp, J. A. Mosher, F. E. Leader, R. Mehlman, F. Fanale

The Galileo Near Infrared Mapping Spectrometer was used to investigate the distribution and properties of sulfur dioxide over the surface of and qualitative results for the anti-Jove hemisphere are...

STUDIES OF THE DYNAMIC PROPERTIES OF LANGMUIR PROBES (1998)

OSKAM,H.J., CARLSON,R.W., OKUDA,T.

The dynamic behavior of a Langmuir probe immersed in a gaseous plasma is studied by using various measuring techniques. The delay in the current collection is investigated as a function of probe...

A Methodology for Determining Patients' Eligibility for Clinical Trials (1994)

S. W. Tu, C. A. Kemper, N. M. Lane, R. W. Carlson, M. A. Musen

The task of determining patients' eligibility for clinical trials is knowledge and data intensive. In this paper, we present a model for the task of eligibility determination, and describe how a...

Lipid A biosynthesis in Rhizobium leguminosarum: role of a 2-keto-3-deoxyoctulosonate-activated 4' phosphatase.

Price, N P, Jeyaretnam, B, Carlson, R W, Kadrmas, J L, Raetz, C R, Brozek, K A

Lipid A from several strains of the N2-fixing bacterium Rhizobium leguminosarum displays significant structural differences from Escherichia coli lipid A, one of which is the complete absence of...

A 2-O-methylfucose moiety is present in the lipo-oligosaccharide nodulation signal of Bradyrhizobium japonicum.

Sanjuan, J, Carlson, R W, Spaink, H P, Bhat, U R, Barbour, W M, Glushka, J, ...

Bradyrhizobium japonicum is a soil bacterium that forms nitrogen-fixing nodules on the roots of the agronomically important legume soybean. Microscopic observation of plant roots showed that butanol...

Clinical and Veterinary Isolates of Salmonella enterica Serovar Enteritidis Defective in Lipopolysaccharide O-Chain Polymerization

Guard-Petter, J., Parker, C. T., Asokan, K., Carlson, R. W.

Twelve human and chicken isolates of Salmonella enterica serovar Enteritidis belonging to phage types 4, 8, 13a, and 23 were characterized for variability in lipopolysaccharide (LPS) composition....

The (α2→8)-Linked Polysialic Acid Capsule and Lipooligosaccharide Structure Both Contribute to the Ability of Serogroup B Neisseria meningitidis To Resist the Bactericidal Activity of Normal Human Serum

Kahler, C. M., Martin, L. E., Shih, G. C., Rahman, M. M., Carlson, R. W., Stephens, D. S.

The molecular basis for the resistance of serogroup B Neisseria meningitidis to the bactericidal activity of normal human sera (NHS) was examined with a NHS-resistant, invasive serogroup B...

Structural requirements of synthetic and natural product lipo-chitin oligosaccharides for induction of nodule primordia on Glycine soja.

Stokkermans, T J, Ikeshita, S, Cohn, J, Carlson, R W, Stacey, G, Ogawa, T, ...

Rhizobia synthesize a class of lipo-chitin oligosaccharides that induce root hair deformation and induce the initiation of nodule structures on legume roots. These lipo-chitin oligosaccharides are...

On-farm monitoring of mouse-invasive Salmonella enterica serovar enteritidis and a model for its association with the production of contaminated eggs.

Guard-Petter, J, Henzler, D J, Rahman, M M, Carlson, R W

Mice (Mus musculus) captured in henhouses were assessed for the presence of salmonellae in spleens. Of 621 and 526 spleens cultured during the first and second years of collection, 25.0 and 17.9%,...

Suppression of the Fix- phenotype of Rhizobium meliloti exoB mutants by lpsZ is correlated to a modified expression of the K polysaccharide.

Reuhs, B L, Williams, M N, Kim, J S, Carlson, R W, Côté, F

The rhizobial production of extracellular polysaccharide (EPS) is generally required for the symbiotic infection of host plants that form nodules with an apical meristem (indeterminate nodules). One...

Inner core biosynthesis of lipooligosaccharide (LOS) in Neisseria meningitidis serogroup B: identification and role in LOS assembly of the alpha1,2 N-acetylglucosamine transferase (RfaK).

Kahler, C M, Carlson, R W, Rahman, M M, Martin, L E, Stephens, D S

A lipooligosaccharide (LOS) mutant of Neisseria meningitidis serogroup B strain NMB (immunotype L3,7,9) was identified in a Tn916 (tetM) mutant bank by loss of reactivity with monoclonal antibody...

Genetic and chemical characterization of a mutant that disrupts synthesis of the lipopolysaccharide core tetrasaccharide in Rhizobium leguminosarum.

Allaway, D, Jeyaretnam, B, Carlson, R W, Poole, P S

A 2-kb region that complements the Tn5-derived lipopolysaccharide (LPS) rough mutant Rhizobium leguminosarum RU301 was sequenced. Two open reading frames (ORFs) were identified. The first ORF (lpcA)...

Two glycosyltransferase genes, lgtF and rfaK, constitute the lipooligosaccharide ice (inner core extension) biosynthesis operon of Neisseria meningitidis.

Kahler, C M, Carlson, R W, Rahman, M M, Martin, L E, Stephens, D S

We have characterized an operon required for inner-core biosynthesis of the lipooligosaccharide (LOS) of Neisseria meningitidis. Using Tn916 mutagenesis, we recently identified the...

A virulent isolate of Salmonella enteritidis produces a Salmonella typhi-like lipopolysaccharide.

Rahman, M M, Guard-Petter, J, Carlson, R W

The lipopolysaccharide (LPS) of Salmonella enteritidis has been implicated as a virulence factor of this organism. Therefore, the LPS from a stable virulent isolate, SE6-E21, was compared with that...

The rkpGHI and -J genes are involved in capsular polysaccharide production by Rhizobium meliloti.

Kiss, E, Reuhs, B L, Kim, J S, Kereszt, A, Petrovics, G, Putnoky, P, ...

The first complementation unit of the fix-23 region of Rhizobium meliloti, which comprises six genes (rkpAB-CDEF) exhibiting similarity to fatty acid synthase genes, is required for the production of...