Adalimumab for the treatment of fistulas in patients with Crohn's disease (2009)
Schwartz, D. A, Sandborn, W. J, Kamm, M. A, ...
Objective: To evaluate the efficacy of adalimumab in the healing of draining fistulas in patients with active Crohn's disease (CD).
A Multi-Wavelength Study of the High Surface Brightness Hotspot in PKS1421-490 (2009)
Godfrey, L. E. H., Bicknell, G. V., Lovell, J. E. J., Jauncey, D. L., Gelbord, J., Schwartz, D. A., ...
Long Baseline Array imaging of the z=0.663 broad line radio galaxy PKS1421-490 reveals a 400 pc diameter high surface brightness hotspot at a projected distance of approximately 40kpc from the active...
Constraints on the Low-Energy Cutoff in the Electron Distribution of the PKS 0637-752 Jet (2008)
We re-analyze the Chandra ACIS spectrum of the kpc-scale jet in PKS 0637-752 to investigate the possible low energy cutoff in the relativistic electron spectrum producing the non-thermal radiation in...
A deep Chandra observation of the PKS 1055+201 jets, lobes, and hotspots (2008)
Schwartz, D. A., Siemiginowska, A., Worrall, D. M., Birkinshaw, M., Jauncey, D. L., Lovell, J. E. J., ...
We have previously noted the quasar PKS 1055+201, (= 4C 20.24), as an example where we separately detect the X-ray emission from the narrow radio jet, and also from extended plasma along the entire...
The Highest Redshift Relativistic Jets (2007)
Cheung, C. C., Stawarz, L., Siemiginowska, A., Harris, D. E, Schwartz, D. A., Wardle, J. F. C., ...
We describe our efforts to understand large-scale (10's-100's kpc) relativistic jet systems through observations of the highest-redshift quasars. Results from a VLA survey search for radio jets in...
Detailed Structure of the X-ray Jet in 4C 19.44 (=PKS1354+195) (2006)
Schwartz, D. A., Harris, D. E., Landt, H., Siemiginowska, A., Perlman, E. S., Cheung, C. C., ...
We investigate the variations of the magnetic field, Doppler factor, and relativistic particle density along the jet of a quasar at z=0.72. We chose 4C 19.44 for this study because of its length and...
Active X-ray Optics for Generation-X, the Next High Resolution X-ray Observatory (2006)
Elvis, Martin, Brissenden, R. J., Fabbiano, G., Schwartz, D. A., Reid, P., Podgorski, W., ...
X-rays provide one of the few bands through which we can study the epoch of reionization, when the first galaxies, black holes and stars were born. To reach the sensitivity required to image these...
Discovery of an X-ray Jet and Extended Jet Structure in the Quasar PKS 1055+201 (2006)
Schwartz, D. A., Marshall, H. L., Lovell, J. E. J., Murphy, D. W., Bicknell, G. V., Birkinshaw, M., ...
This letter reports rich X-ray jet structures found in the Chandra observation of PKS 1055+201. In addition to an X-ray jet coincident with the radio jet we detect a region of extended X-ray emission...
Observations of Magnetic Fields and Relativistic Beaming in Four Quasar Jets (2006)
Schwartz, D. A., Marshall, H. L., Lovell, J. E. J., Murphy, D. W., Bicknell, G. V., Birkinshaw, M., ...
We discuss the physical properties of four quasar jets imaged with the Chandra X-ray Observatory in the course of a survey for X-ray emission from radio jets. These objects have sufficient counts to...
Discovery of an X-ray jet and extended jet structure in the quasar PKS 1055+201 (2006)
Schwartz, D. A., Marshall, H. L., Lovell, J. E. J., Murphy, D. W., Bicknell, G. V., Birkinshaw, M., ...
This Letter reports rich X-ray jet structures found in the Chandra observation of PKS 1055+201. In addition to an X-ray jet coincident with the radio jet, we detect a region of extended X-ray...
The remarkable X-ray jet in the quasar 4C 20.24 (2006)
Schwartz, D. A., Marshall, H. L., Gelbord, J., Perlman, E. S., Georganopoulos, M., Birkinshaw, M., ...
The Knotty Question of the Jet of PKS B1421-490 (2005)
Gelbord, J. M., Marshall, H. L., Worrall, D. M., Birkinshaw, M., Lovell, J. E. J., Ojha, R., ...
We report the discovery of unusually strong optical and X-ray emission associated with a knot in the radio jet of PKS B1421-490. The knot is the brightest feature observed beyond the radio band, with...
Continuing a Chandra Survey of Quasar Radio Jets (2004)
Gelbord, J. M., Marshall, H. L., Schwartz, D. A., Worrall, D. M., Birkinshaw, M., Lovell, J. E. J., ...
We are conducting an X-ray survey of flat spectrum radio quasars (FSRQs) with extended radio structures. We summarize our results from the first stage of our survey, then we present findings from its...
A Chandra Survey of Quasar Jets: First Results (2004)
Marshall, H. L., Schwartz, D. A., Lovell, J. E. J., Murphy, D. W., Worrall, D. M., Birkinshaw, M., ...
We present results from Chandra X-ray imaging and spectroscopy of a flux-limited sample of flat spectrum radio-emitting quasars with jet-like extended structure. Twelve of twenty quasar jets are...
First Results from a Multi-wavelength Survey of Quasar Jets (2004)
Gelbord, J. M., Marshall, H. L., Schwartz, D. A., Worrall, D. M., Birkinshaw, M., Lovell, J., ...
We present results based on the first 20 Chandra images obtained in a survey of jets in radio selected flat-spectrum quasars (FSRQs), along with new sub-arcsecond radio maps and optical images. We...
Discovery of a Jet-Like Structure at the High Redshift QSO CXOMP J084128.3+131107 (2004)
Schwartz, D. A., Silverman, J., Birkinshaw, M., Karovska, M., Aldcroft, T., Barkhouse, W., ...
The Chandra Multiwavelength Project (ChaMP) has discovered a jet-like structure associated with a newly recognized QSO at redshift z=1.866. The system was 9.4 arcmin off-axis during an observation of...
D. A. Schwartz, J. Silverman, M. Birkinshaw, M. Karovska, T. Aldcroft, W. Barkhouse, ...
The Chandra Multiwavelength Project has discovered a jetlike structure associated with a newly recognized QSO at redshift z p 1.866. The system was 9�.4 off-axis during an observation of 3C 207....
An X-ray jet discovered by Chandra in the z=4.3 radio-selected quasar GB 1508+5714 (2003)
Siemiginowska, Aneta, Smith, Randall K., Aldcroft, Thomas L., Schwartz, D. A., Paerels, Frederic, Petric, Andreea O.
We report the Chandra discovery of an X-ray jet associated with the redshift 4.3 radio-loud quasar GB 1508+5714. The jet X-ray emission peaks ~2 arcsec to the South-West of the quasar core. We...
CHANDRA Observations of X-ray Jet Structure on kpc to Mpc Scales (2003)
Schwartz, D. A., Marshall, H. L., Miller, B. P., Worrall, D. M., Birkinshaw, M., Lovell, J. E. J., ...
With its exquisite spatial resolution of better than 0.5 arcsecond, the Chandra observatory is uniquely capable of resolving and studying the spatial structure of extragalactic X-ray jets on scales...
Chandra Observations of Three SDSS Quasars at z~6 (2002)
Schwartz, D. A., Cheung, C. C., Wardle, J. F. C.
Chandra snapshot observations of the three most distant quasars then known, at redshifts 5.82, 5.99, and 6.28, gave signficant detections even in the short, 6 -- 8 ks, observations. The X-ray to...
Results from a Complete Chandra Survey of Radio Jets (2002)
Schwartz, D. A., Marshall, H. L., Miller, B. P., Worrall, D. M., Birkinshaw, M., Lovell, J. E. J., ...
We report preliminary results from the first targets observed as part of a program to image the X-ray jets in a complete sample of radio selected jets. We have acquired Australian Telescope Compact...
Increasing the Parallelism of Filters Through Transportation to Block State Variable Form. (2002)
The block state variable form is investigated as a technique to increase the parallelism of a filter. This increase parallelism allows more parallel processors to be usefully applied to the problem,...
This paper presents a general method for the transformation of algorithms described by shift-invariant fully-specified flow graphs into equivalent systolic realization. The method consists of a set...
Structure of the X-ray Emission from the Jet of 3C 273 (2000)
Marshall, H. L., Harris, D. E., Grimes, J. P., Drake, J. J., Fruscione, A., Juda, M., ...
We present images from five observations of the quasar 3C 273 with the Chandra X-ray Observatory. The jet has at least four distinct features which are not resolved in previous observations. The...
Chandra Discovery of a 100 kpc X-ray Jet in PKS 0637--752 (2000)
Schwartz, D. A., Marshall, H. L., Lovell, J. E. J., Piner, B. G., Tingay, S. J., Birkinshaw, M., ...
The quasar PKS 0637-753, the first celestial X-ray target of the Chandra X-ray Observatory, has revealed asymmetric X-ray structure extending from 3 to 12 arcsec west of the quasar, coincident with...
Chartas, G., Worrall, D. M., Birkinshaw, M., Cresitello-Dittmar, M., Cui, W., Ghosh, K. K., ...
The core-dominated radio-loud quasar PKS 0637-752 (z = 0.654) was the first celestial object observed with the Chandra X-ray Observatory, offering the early surprise of the detection of a remarkable...
R. P. Kraft, W. Forman, C. Jones, A. T. Kenter, S. S. Murray, T. L. Aldcroft, ...
We present first results from a Chandra X-Ray Observatory observation of the radio galaxy Centaurus A with the High-Resolution Camera. All previously reported major sources of X-ray emission...
Observation of Cen A by the Rossi X-ray Timing Explorer (1998)
Rothschild, R. E., Band, D. L., Blanco, P. R., Gruber, D. E., Heindl, W. A., MacDonald, D. R., ...
The Rossi X-ray Timing Explorer made a short (10 ks) observation of the radio galaxy Centaurus A on 14 August 1996. Analysis of the combined 2.5-240 keV spectrum has revealed a heavily...
Gong, Y Z, Everett, E T, Schwartz, D A, Norris, J S, Wilson, F A
A cDNA clone encoding the major intestinal cytosolic 14-kDa bile acid-binding protein (14-kDa I-BABP) was isolated from a rat ileal lambda gt22A library following immunoscreening using a monospecific...
Reynolds, M A, Beck, T A, Say, P B, Schwartz, D A, Dwyer, B P, Daily, W J, ...
We have designed and synthesized a series of novel antisense methylphosphonate oligonucleotide (MPO) cleaving agents that promote site-specific cleavage on a complementary RNA target. These MPOs...
Reynolds, M A, Hogrefe, R I, Jaeger, J A, Schwartz, D A, Riley, T A, Marvin, W B, ...
Methylphosphonate (MP) oligodeoxynucleotides (MPOs) are metabolically stable analogs of conventional DNA containing a methyl group in place of one of the non-bonding phosphoryl oxygens. All 16...
Sobottka, I, Albrecht, H, Schäfer, H, Schottelius, J, Visvesvara, G S, Laufs, R, ...
Encephalitozoon intestinalis is a recently described microsporidian which causes intestinal and disseminated infections in severely immunocompromised patients with AIDS. Preliminary data suggest that...
Da Silva, A J, Schwartz, D A, Visvesvara, G S, De Moura, H, Slemenda, S B, Pieniazek, N J
Enterocytozoon bieneusi is the most common microsporidian infecting patients with AIDS. We have developed a PCR primer pair, named EBIEF1/EBIER1, based on the small-subunit rRNA sequence of this...
Visvesvara, G S, Leitch, G J, Da Silva, A J, Croppo, G P, Moura, H, Wallace, S, ...
Microsporidia are primitive, spore-forming, mitochondria-lacking, eukaryotic protozoa that are obligate intracellular parasites. They are known to parasitize almost every group of animals including...
Osteomyelitis of the sternum caused by Apophysomyces elegans.
Eaton, M E, Padhye, A A, Schwartz, D A, Steinberg, J P
Apophysomyces elegans, a member of the family Mucoraceae, was found to infect the chest wall and sternum of an immunocompetent man following minor trauma. As in previous cases, amphotericin B therapy...
Kern, J A, Slebos, R J, Top, B, Rodenhuis, S, Lager, D, Robinson, R A, ...
We evaluated the prognostic significance of p185c-erbB-2 expression and ras gene mutations in all patients diagnosed with a pulmonary adenocarcinoma between 1982 and 1985 at the University of Iowa....
Human microsporidial infections.
Weber, R, Bryan, R T, Schwartz, D A, Owen, R L
Microsporidia are obligate intracellular spore-forming protozoal parasites belonging to the phylum Microspora. Their host range is extensive, including most invertebrates and all classes of...
Restrictive lung function and asbestos-induced pleural fibrosis. A quantitative approach.
Schwartz, D A, Galvin, J R, Yagla, S J, Speakman, S B, Merchant, J A, Hunninghake, G W
To assess further the clinical significance of asbestos-induced pleural fibrosis, we used a computer algorithm to reconstruct images three dimensionally from the high-resolution computerized...
CpG motifs in bacterial DNA cause inflammation in the lower respiratory tract.
Schwartz, D A, Quinn, T J, Thorne, P S, Sayeed, S, Yi, A K, Krieg, A M
Since unmethylated CpG motifs are more frequent in DNA from bacteria than vertebrates, and the unmethylated CpG motif has recently been reported to have stimulatory effects on lymphocytes, we...
Self-reported postwar injuries among Gulf War veterans.
Zwerling, C, Torner, J C, Clarke, W R, Voelker, M D, Doebbeling, B N, Barrett, D H, ...
OBJECTIVE: From September 1995 to May 1996, the authors conducted a telephone survey of Iowa military personnel who had served in the regular military or activated National Guard or Reserve during...
Congenital limb reduction defects in the agricultural setting.
To ascertain whether parental involvement in agricultural work and residence in an agricultural setting are associated with the development of congenital limb reduction defects, we carried out a...
The Private Psychiatrist in a Community Mental Health Program
Brickman, Harry R., Doran, S. Mark, Schwartz, D. A.
The apparent line of separation between public and private medical communities is less a mutually exclusive one than it is sometimes assumed to be. A community consultation service in a major...
Psychological Aspects of Medical Prescription
Medication possesses a potential for therapeutic efficacy far beyond its chemical capacity if prescribed in ways which enlist patients' personality traits in a therapeutic direction....
Etiology and pathogenesis of airway disease in children and adults from rural communities.
Asthma is the most common chronic disease of childhood and affects nearly 5 million children. The prevalence and severity of childhood asthma have continued to increase over the past decade despite...
Gong, Y Z, Everett, E T, Schwartz, D A, Norris, J S, Wilson, F A
A cDNA clone encoding the major intestinal cytosolic 14-kDa bile acid-binding protein (14-kDa I-BABP) was isolated from a rat ileal lambda gt22A library following immunoscreening using a monospecific...
Reynolds, M A, Beck, T A, Say, P B, Schwartz, D A, Dwyer, B P, Daily, W J, ...
We have designed and synthesized a series of novel antisense methylphosphonate oligonucleotide (MPO) cleaving agents that promote site-specific cleavage on a complementary RNA target. These MPOs...
Reynolds, M A, Hogrefe, R I, Jaeger, J A, Schwartz, D A, Riley, T A, Marvin, W B, ...
Methylphosphonate (MP) oligodeoxynucleotides (MPOs) are metabolically stable analogs of conventional DNA containing a methyl group in place of one of the non-bonding phosphoryl oxygens. All 16...
Sobottka, I, Albrecht, H, Schäfer, H, Schottelius, J, Visvesvara, G S, Laufs, R, ...
Encephalitozoon intestinalis is a recently described microsporidian which causes intestinal and disseminated infections in severely immunocompromised patients with AIDS. Preliminary data suggest that...
Da Silva, A J, Schwartz, D A, Visvesvara, G S, De Moura, H, Slemenda, S B, Pieniazek, N J
Enterocytozoon bieneusi is the most common microsporidian infecting patients with AIDS. We have developed a PCR primer pair, named EBIEF1/EBIER1, based on the small-subunit rRNA sequence of this...
Visvesvara, G S, Leitch, G J, Da Silva, A J, Croppo, G P, Moura, H, Wallace, S, ...
Microsporidia are primitive, spore-forming, mitochondria-lacking, eukaryotic protozoa that are obligate intracellular parasites. They are known to parasitize almost every group of animals including...
Osteomyelitis of the sternum caused by Apophysomyces elegans.
Eaton, M E, Padhye, A A, Schwartz, D A, Steinberg, J P
Apophysomyces elegans, a member of the family Mucoraceae, was found to infect the chest wall and sternum of an immunocompetent man following minor trauma. As in previous cases, amphotericin B therapy...
Kern, J A, Slebos, R J, Top, B, Rodenhuis, S, Lager, D, Robinson, R A, ...
We evaluated the prognostic significance of p185c-erbB-2 expression and ras gene mutations in all patients diagnosed with a pulmonary adenocarcinoma between 1982 and 1985 at the University of Iowa....
Human microsporidial infections.
Weber, R, Bryan, R T, Schwartz, D A, Owen, R L
Microsporidia are obligate intracellular spore-forming protozoal parasites belonging to the phylum Microspora. Their host range is extensive, including most invertebrates and all classes of...
Restrictive lung function and asbestos-induced pleural fibrosis. A quantitative approach.
Schwartz, D A, Galvin, J R, Yagla, S J, Speakman, S B, Merchant, J A, Hunninghake, G W
To assess further the clinical significance of asbestos-induced pleural fibrosis, we used a computer algorithm to reconstruct images three dimensionally from the high-resolution computerized...
CpG motifs in bacterial DNA cause inflammation in the lower respiratory tract.
Schwartz, D A, Quinn, T J, Thorne, P S, Sayeed, S, Yi, A K, Krieg, A M
Since unmethylated CpG motifs are more frequent in DNA from bacteria than vertebrates, and the unmethylated CpG motif has recently been reported to have stimulatory effects on lymphocytes, we...
Self-reported postwar injuries among Gulf War veterans.
Zwerling, C, Torner, J C, Clarke, W R, Voelker, M D, Doebbeling, B N, Barrett, D H, ...
OBJECTIVE: From September 1995 to May 1996, the authors conducted a telephone survey of Iowa military personnel who had served in the regular military or activated National Guard or Reserve during...
Congenital limb reduction defects in the agricultural setting.
To ascertain whether parental involvement in agricultural work and residence in an agricultural setting are associated with the development of congenital limb reduction defects, we carried out a...
The Private Psychiatrist in a Community Mental Health Program
Brickman, Harry R., Doran, S. Mark, Schwartz, D. A.
The apparent line of separation between public and private medical communities is less a mutually exclusive one than it is sometimes assumed to be. A community consultation service in a major...
Psychological Aspects of Medical Prescription
Medication possesses a potential for therapeutic efficacy far beyond its chemical capacity if prescribed in ways which enlist patients' personality traits in a therapeutic direction....
Etiology and pathogenesis of airway disease in children and adults from rural communities.
Asthma is the most common chronic disease of childhood and affects nearly 5 million children. The prevalence and severity of childhood asthma have continued to increase over the past decade despite...
Pathology and emerging infections--quo vadimus?
Schwartz, D. A., Bryan, R. T., Hughes, J. M.
There have been dramatic changes in the occurrence of infectious diseases throughout the world in the previous two decades. The emergence of new microbial agents, and the reemergence of infections...