The Collimation and Energetics of the Brightest Swift Gamma-Ray Bursts (2009)
Cenko, S. B., Frail, D. A., Harrison, F. A., Kulkarni, S. R., Nakar, E., Chandra, P., ...
Long-duration gamma-ray bursts (GRBs) are widely believed to be highly-collimated explosions (opening angle theta ~ 1-10 deg). As a result of this beaming factor, the true energy release from a GRB...
Dark Bursts in the Swift Era: The Palomar 60 Inch-Swift Early Optical Afterglow Catalog (2009)
Cenko, S. B., Kelemen, J., Harrison, F. A., Fox, D. B., Kulkarni, S. R., Kasliwal, M. M., ...
We present multicolor optical observations of long-duration γ-ray bursts (GRBs) made over a three-year period with the robotic Palomar 60 inch telescope (P60). Our sample consists of all 29 events...
Dark Bursts in the Swift Era: The Palomar 60 inch-Swift Early Optical Afterglow Catalog (2008)
Cenko, S. B., Kelemen, J., Harrison, F. A., Fox, D. B., Kulkarni, S. R., Kasliwal, M. M., ...
We present multi-color optical observations of long-duration gamma-ray bursts (GRBs) made over a three year period with the robotic Palomar 60 inch telescope (P60). Our sample consists of all 29...
GRB070125: The First Long-Duration Gamma-Ray Burst in a Halo Environment (2007)
Cenko, S. B., Fox, D. B., Penprase, B. E., Cucchiara, A., Price, P. A., Berger, E., ...
We present the discovery and high signal-to-noise spectroscopic observations of the optical afterglow of the long-duration gamma-ray burst GRB070125. Unlike all previously observed long-duration...
The unusual afterglow of GRB 980326: evidence for the gamma-ray burst/supernova connection (2007)
Bloom Kulkarni, J. S. Bloom, S. R. Kulkarni, S. G. Djorgovski, A. C. Eichelberger, J. P. Blakeslee, ...
this paper in your own paper. However, we do place restrictions on any dissemination in the popular media. The article is under embargo until it is published. For further enquiries, please contact...
Andromeda: A mission to determine the gamma-ray burst distance scale (2007)
F. A. Harrison, W. R. Cook, T. A. Prince, S. M. Schindler, C. J. Hailey, S. E. Thorsett
Andromeda is a wide- eld, imaging, hard X-ray/soft gamma-ray instrument capable of detecting gamma-ray bursts (GRBs) a factor 20 times fainter than GRO/BATSE. During 1-year of a two-year mission, it...
Gamma-Ray Burst Studies With the Energetic X-ray Imaging Survey Telescope (EXIST) (2007)
F. A. Harrison, N. Gehrels, J. E. Grindlay, C. J. Hailey, T. A. Prince, B. D. Ramsey, ...
The Energetic X-ray Imaging Survey Telescope (EXIST) is a sensitive, wide eld of view hard X-ray (10 { 600 keV) coded-aperture telescope. This paper describes the capabilities and characteristics of...
Wide Field Hard X-ray Survey Telescope: ProtoEXIST1 (2007)
Hong, J., Grindlay, J. E., Chammas, N., Allen, B., Copete, A., Said, B., ...
We report our progress on the development of pixellated imaging CZT detector arrays for our first-generation balloon-borne wide-field hard X-ray (20 - 600 keV) telescope, ProtoEXIST1. Our ProtoEXIST...
Cenko, S. B., Kasliwal, M., Harrison, F. A., Pal'shin, V., Frail, D. A., Cameron, P. B., ...
We present observations of the unusually bright and long γ-ray burst GRB 050820A, one of the best sampled broadband data sets in the Swift era. The γ-ray light curve is marked by a soft precursor...
CZT imaging detectors for ProtoEXIST (2006)
Hong, J., Grindlay, J. E., Chammas, N., Copete, A., Baker, R. G., Barthelmy, S. D., ...
We describe the detector development for a balloon-borne wide-field hard X-ray (20 - 600 keV) telescope, ProtoEXIST. ProtoEXIST is a pathfinder for both technology and science of the proposed...
Cenko, S. B., Kasliwal, M., Harrison, F. A., Pal'shin, V., Frail, D. A., Cameron, P. B., ...
We present observations of the unusually bright and long gamma-ray burst GRB 050820A, one of the best-sampled broadband data sets in the Swift era. The gamma-ray light curve is marked by a soft...
Soderberg, A. M., Nakar, E., Cenko, S. B., Cameron, P. B., Frail, D. A., Kulkarni, S. R., ...
We present detailed optical, near-infrared, and radio observations of the X-ray flash 050416a obtained with Palomar and Siding Springs Observatories as well as HST and the VLA, placing this event...
A photometric redshift of z = 6.39 0.12 for GRB 050904 (2006)
Haislip, J.B., Nysewander, M.C., Reichart, D., Levan, A., Tanvir, N., Cenko, S.B., ...
A photometric redshift of z = 6.39 ¿ 0.12 for GRB 050904 (2006)
Haislip, J.B., Nysewander, M.C., Reichart, D.E., Levan, A.J., Tanvir, N., Cenko, S.B., ...
Gamma-ray bursts (GRBs) and their afterglows are the most brilliant transient events in the Universe. Both the bursts themselves and their afterglows have been predicted to be visible out to...
The afterglow of GRB050709 and the nature of the short-hard gamma-ray bursts (2005)
Fox, D. B., Frail, D. A., Price, P. A., Kulkarni, S. R., Berger, E., Piran, T., ...
The final chapter in the long-standing mystery of the gamma-ray bursts (GRBs) centres on the origin of the short-hard class, suspected on theoretical grounds to result from the coalescence of neutron...
The afterglow and elliptical host galaxy of the short gamma-ray burst GRB 050724 (2005)
Berger, E., Price, P. A., Cenko, S. B., Gal-Yam, A., Soderberg, A. M., Kasliwal, M., ...
Despite a rich phenomenology, gamma-ray bursts (GRBs) are divided into two classes based on their duration and spectral hardness -- the long-soft and the short-hard bursts. The discovery of afterglow...
The Afterglows, Redshifts, and Properties of Swift Gamma-Ray Bursts (2005)
Berger, E., Kulkarni, S. R., Fox, D. B., Soderberg, A. M., Harrison, F. A., Nakar, E., ...
We present optical, near-IR, and radio follow up of sixteen Swift bursts, including our discovery of nine afterglows and a redshift determination for three. These observations, supplemented by data...
Afterglows, redshifts, and properties of swift gammaray bursts (2005)
Berger, E., Kulkarni, S. R., Fox, D. B., Soderberg, A. M.., Harrison, F. A., Nakar, E., ...
We present optical, near-IR, and radio follow-up of 16 Swift bursts, including our discovery of nine afterglows and a redshift determination for three. These observations, supplemented by data from...
Afterglows, redshifts, and properties of swift gammaray bursts (2005)
Berger, E., Kulkarni, S. R., Fox, D. B., Soderberg, A. M.., Harrison, F. A., Nakar, E., ...
We present optical, near-IR, and radio follow-up of 16 Swift bursts, including our discovery of nine afterglows and a redshift determination for three. These observations, supplemented by data from...
Afterglows, Redshifts, and Properties of Swift Gamma-Ray Bursts (2005)
Berger, E., Kulkarni, S. R., Fox, D. B., Soderberg, A. M., Harrison, F. A., Nakar, E., ...
We present optical, near-IR, and radio follow-up of 16 Swift bursts, including our discovery of nine afterglows and a redshift determination for three. These observations, supplemented by data from...
Development of Uniform CdTe Pixel Detectors Based on Caltech ASIC (2004)
Oonuki, K., Inoue, H., Nakazawa, K., Mitani, T., Tanaka, T., Takahashi, T., ...
We have developed a large CdTe pixel detector with dimensions of 23.7 x 13.0 mm and a pixel size of 448 x 448 um^2. The detector is based on recent technologies of an uniform CdTe single crystal, a...
Accurate Calorimetry of GRB 030329 (2004)
Frail, D. A., Soderberg, A. M., Kulkarni, S. R., Berger, E., Yost, S. A., Fox, D. W., ...
We report late-time observations of the radio afterglow of GRB 030329. The light curves show a clear achromatic flattening at 50 days after the explosion. We interpret this flattening as resulting...
The bright optical afterglow of the nearby gamma-ray burst of 29 March 2003 (2003)
Price, P. A., Fox, D. W., Kulkarni, S. R., Peterson, B. A., Schmidt, B. P., Soderberg, A. M., ...
Many past studies of cosmological gamma-ray bursts (GRBs) have been limited because of the large distance to typical GRBs, resulting in faint afterglows. There has long been a recognition that a...
A Study of the Afterglows of Four GRBs: Constraining the Explosion and Fireball Model (2003)
Yost, S. A., Harrison, F. A., Sari, R., Frail, D. A.
We employ a fireball model of the GRB explosion to constrain intrinsic and environmental parameters of four events with good broadband afterglow data; GRB970508, GRB980329, GRB980703, and GRB000926....
Development of the Gaseous Antiparticle Spectrometer for Space-based Antimatter Detection (2003)
Hailey, C. J., Craig, W. W., Harrison, F. A., Hong, J., Mori, K., Koglin, J., ...
We report progress in developing a novel antimatter detection scheme. The gaseous antiparticle spectrometer (GAPS) identifies antimatter through the characteristic X-rays emitted by antimatter when...
Cosmological Uses of Gamma-Ray Bursts (2003)
Djorgovski, S. G., Kulkarni, S. R., Frail, D. A., Harrison, F. A., Bloom, J. S., Berger, E., ...
Studies of the cosmic gamma-ray bursts (GRBs) and their host galaxies are starting to provide interesting or even unique new insights in observational cosmology. GRBs represent a new way of...
The Broadband Afterglow of GRB980703 (2003)
Frail, D. A., Yost, S. A., Berger, E., Harrison, F. A., Sari, R., Kulkarni, S. R., ...
We present radio observations of the afterglow of the bright gamma-ray burst GRB980703 made between one day and one year after the burst. These data are combined with published late-time radio...
Discovery of Early Optical Emission from GRB 021211 (2003)
Fox, D. W., Price, P. A., Soderberg, A. M., Berger, E., Kulkarni, S. R., Sari, R., ...
We report our discovery and early time optical, near-infrared, and radio wavelength follow-up observations of the afterglow of the gamma-ray burst GRB 021211. Our optical observations, beginning 21...
The Cosmic Gamma-Ray Bursts and Their Host Galaxies in a Cosmological Context (2003)
Djorgovski, S. G., Kulkarni, S. R., Frail, D. A., Harrison, F. A., Bloom, J. S., Berger, E., ...
Studies of the cosmic gamma-ray bursts (GRBs) and their host galaxies are now starting to provide interesting or even unique new insights in observational cosmology. Observed GRB host galaxies have a...
Hubble Space Telescope and Ground-Based Optical and Ultraviolet Observations of GRB010222 (2003)
Galama, T. J., Reichart, D., Brown, T. M., Kimble, R. A., Price, P. A., Berger, E., ...
We report on Hubble Space Telescope WFPC2 optical and STIS near ultraviolet MAMA observations, and ground-based optical observations of GRB010222, spanning 15 hrs to 71 days. The observations are...
EXIST: Mission Design Concept and Technology Program (2002)
Grindlay, J. E., Craig, W. W., Gehrels, N., Harrison, F. A., Hong, J.
The Energetic X-ray Imaging Survey Telescope (EXIST) is a proposed very large area coded aperture telescope array, incorporating 8m^2 of pixellated Cd-Zn-Te (CZT) detectors, to conduct a full-sky...
Discovery of GRB 020405 and its Late Red Bump (2002)
Price, P. A., Kulkarni, S. R., Berger, E., Fox, D. W., Bloom, J. S., Djorgovski, S. G., ...
We present the discovery of GRB 020405 made with the Inter-Planetary Network (IPN). With a duration of 60 s, the burst appears to be a typical long duration event. We observed the 75-square acrminute...
Berger, E., Kulkarni, S. R., Bloom, J. S., Price, P. A., Fox, D. W., Frail, D. A., ...
We present ground-based optical observations of GRB 020124 starting 1.6 hours after the burst, as well as subsequent Very Large Array (VLA) and Hubble Space Telescope (HST) observations. The optical...
GRB 010921: Strong Limits on an Underlying Supernova from HST (2002)
Price, P. A., Kulkarni, S. R., Schmidt, B. P., Galama, T. J., Bloom, J. S., Berger, E., ...
GRB 010921 was the first HETE-2 GRB to be localized via its afterglow emission. The low-redshift of the host galaxy, z=0.451, prompted us to undertake intensive multi-color observations with the...
Time-Dependent Optical Spectroscopy of GRB 010222: Clues to the GRB Environment (2002)
Mirabal, N., Halpern, J. P., Kulkarni, S. R., Castro, S., Bloom, J. S., Djorgovski, S. G., ...
We present sequential optical spectra of the afterglow of GRB 010222 obtained one day apart using the Low Resolution Imaging Spectrometer (LRIS) and the Echellette Spectrograph and Imager (ESI) on...
The Broadband Afterglow of GRB980329 (2002)
Yost, S. A., Frail, D. A., Harrison, F. A., Sari, R., Reichart, D., Bloom, J. S., ...
We present radio observations of the afterglow of the bright gamma-ray burst GRB980329 made between one month and several years after the burst, a re-analysis of previously published submillimeter...
GRB 011121: A Massive Star Progenitor (2002)
Price, P. A., Berger, E., Reichart, D. E., Kulkarni, S. R., Subrahmanyan, R., Wark, R. M., ...
Of the cosmological gamma-ray bursts, GRB 011121 has the lowest redshift, z=0.36. More importantly, the multi-color excess in the afterglow detected in the Hubble Space Telescope (HST) light curves...
Detection of a supernova signature associated with GRB 011121 (2002)
Bloom, J. S., Kulkarni, S. R., Price, P. A., Reichart, D., Galama, T. J., Schmidt, B. P., ...
Using observations from an extensive monitoring campaign with the Hubble Space Telescope we present the detection of an intermediate-time flux excess which is redder in color relative to the...
GRB 010921: Discovery of the First HETE Afterglow (2002)
Price, P. A., Kulkarni, S. R., Berger, E., Djorgovski, S. G., Frail, D. A., Mahabal, A., ...
We report the discovery of the optical and radio afterglow of GRB 010921, the first gamma-ray burst afterglow to be found from a localization by the High Energy Transient Explorer (HETE) satellite....
GRB 010222 : a burst within a starburst (2002)
Frail, D. A., Bertoldi, F., Moriarty-Schieven, G. H., Berger, E., Price, P. A., Bloom, J. S., ...
We present millimeter- and submillimeter-wavelength observations and near-infrared K-band imaging toward the bright gamma-ray burst GRB 010222. Over seven different epochs, a constant source was...
Keck Spectroscopy and HST Imaging of GRB 000926: Probing a Host Galaxy at z = 2. 038 (2001)
Castro, S., Galama, T. J., Harrison, F. A., Holtzman, J. A., Bloom, J. S., Djorgovski, S. G., ...
We present early-time Keck spectroscopic observations and late-time Hubble Space Telescope (HST) imaging of GRB 000926. The HST images show a small offset between the optical transient and the...
The Unusually Long Duration Gamma-ray Burst GRB 000911 (2001)
Price, P. A., Berger, E., Kulkarni, S. R., Djorgovski, S. G., Fox, D. W., Mahabal, A., ...
Of all the well localized gamma-ray bursts, GRB 000911 has the longest duration (T_90 ~ 500 s), and ranks in the top 1% of BATSE bursts for fluence. Here, we report the discovery of the afterglow of...
GRB 010222: A Burst Within a Starburst (2001)
Frail, D. A., Bertoldi, F., Moriarty-Schieven, G. H., Berger, E., Price, P. A., Bloom, J. S., ...
We present millimeter and submillimeter wavelength observations and near-infrared K-band imaging toward the bright gamma-ray burst GRB 010222. Over seven epochs the flux density of the source was...
The GRB Host Galaxies and Redshifts (2001)
Djorgovski, S. G., Kulkarni, S. R., Bloom, J. S., Frail, D. A., Harrison, F. A., Galama, T. J., ...
Observations of GRB host galaxies and their environments in general can provide valuable clues about the nature of progenitors. Bursts are associated with faint, ~ 25 mag, galaxies at cosmological...
The Cosmic Gamma-Ray Bursts (2001)
Djorgovski, S. G., Frail, D. A., Kulkarni, S. R., Sari, R., Bloom, J. S., Galama, T. J., ...
Cosmic gamma-ray bursts are one of the great frontiers of astrophysics today. They are a playground of relativists and observers alike. They may teach us about the death of stars and the birth of...
The afterglows of gamma-ray bursts (2001)
Kulkarni, S. R., Berger, E., Bloom, J. S., Chaffee, F., Diercks, A., Djorgovski, S. G., ...
Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long duration GRBs lie at...
Harrison, F. A., Yost, S. A., Sari, R., Berger, E., Axelrod, T., ...
GRB 000926 has one of the best-studied afterglows to-date, with multiple X-ray observations, as well as extensive multi-frequency optical and radio coverage. Broadband afterglow observations,...
Beaming in Gamma-Ray Bursts: Evidence for a Standard Energy Reservoir (2001)
Frail, D. A., Kulkarni, S. R., Sari, R., Djorgovski, S. G., Bloom, J. S., Galama, T. J., ...
Gamma-ray bursts (GRBs) are the most brilliant objects in the Universe but efforts to estimate the total energy released in the explosion -- a crucial physical quantity -- have been stymied by their...
Multi-Color Observations of the GRB000926 Afterglow (2000)
Price, P. A., Harrison, F. A., Galama, T. J., Reichart, D. E., Axelrod, T. S., Berger, E. J., ...
We present multi-color light-curves of the optical afterglow of GRB 000926. Beginning ~1.5 days after the burst, the light-curves of this GRB steepen measurably. The existence of such achromatic...
The afterglows of gamma-ray bursts (2000)
Kulkarni, S. R., Berger, E., Bloom, J. S., Chaffee, F., Diercks, A., Djorgovski, S. G., ...
Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long-duration GRBs lie at...
The afterglows of gamma-ray bursts (2000)
Kulkarni, S. R., Berger, E., Bloom, J. S., Chaffee, F., Diercks, A., Djorgovski, S. G., ...
Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long duration GRBs lie at...
The afterglows of gamma-ray bursts (2000)
Kulkarni, S. R., Berger, E., Bloom, J. S., Chaffee, F., Diercks, A., Djorgovski, S. G., ...
Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long duration GRBs lie at...
Harrison, F. A., Ray, P. S., Leahy, D. A., Waltman, E. B., Pooley, G. G.
The binary system, LSI+61 303, is unusual both because of the dramatic, periodic, radio outbursts, and because of its possible association with the 100 MeV gamma-ray source, 2CG135+01. We have...
Optical and Radio Observations of the Afterglow from GRB990510: Evidence for a Jet (1999)
Harrison, F. A., Bloom, J. S., Frail, D. A., Sari, R., Kulkarni, S. R., Djorgovski, S. G., ...
We present multi-color optical and two-frequency radio observations of the bright SAX event, GRB 990510. The well-sampled optical decay, together with the radio observations are inconsistent with...
The unusual afterglow of GRB 980326: evidence for the gamma-ray burst/supernova connection (1999)
Bloom, J. S., Kulkarni, S. R., Djorgovski, S. G., Eichelberger, A. C., Cote, P., Blakeslee, J. P., ...
Cosmic gamma-ray bursts (GRBs) have been firmly established as one of the most powerful phenomena in the Universe, releasing electromagnetic energy approaching the rest-mass energy of a neutron star...
Hailey, C. J., Harrison, F. A., Mori, K.
Numerous reports have been made of features, either in emission or absorption, in the 10 - 1000 keV spectra of some gamma-ray bursts. Originally interpreted in the context of Galactic neutron star...
The afterglow, the redshift, and the extreme energetics of the gamma-ray burst 990123 (1999)
Kulkarni, S. R., Djorgovski, S. G., Odewahn, S. C., Bloom, J. S., Gal, R. R., Koresko, C. D., ...
Afterglow, or long-lived emission, has now been detected from about a dozen well-positioned gamma-ray bursts. Distance determinations made by measuring optical emission lines from the host galaxy, or...
First measurements of hadronic decays of the Z boson (1989)
Abrams, G. S., Adolphsen, C. E., Aleksan, R., Alexander, J. P., Averill, D., Ballam, J., ...
We have observed hadronic final states produced in the decays of Z bosons. In order to study the parton structure of these events, we compare the distributions in sphericity, thurst, aplanarity, and...
Studies on the biosynthesis in vivo and excretion of 16-unsaturated C19 steroids in the boar
Saat, Y. A., Gower, D. B., Harrison, F. A., Heap, R. B.
1. In one experiment [7α-3H]pregnenolone was infused continuously for 12min into the left spermatic artery of a sexually mature boar and blood was collected during this period by continuous drainage...
Studies on the metabolism of 5α-androst-16-en-3-one in boar testis in vivo
Saat, Y. A., Gower, D. B., Harrison, F. A., Heap, R. B.
1. [5α-3H]5α-Androst-16-en-3-one (5α-androstenone) was infused at a constant rate for 180min into the spermatic artery of a sexually mature boar. Samples of spermatic-venous blood were collected...
The effect of acetzolamide on Ion transport across isolated sheep rumen epithelium.
Emanović, D, Harrison, F A, Keynes, R D, Rankin, J C
1. The net fluxes of sodium and chloride from the lumen to the blood side of isolated sheep rumen epithelium were reduced by treatment of both sides of the epithelium with acetazolamide. 2. The...
The effect of ouabain on ion transport across isolated sheep rumen epithelium.
Harrison, F A, Keynes, R D, Rankin, J C, Zurich, L
1. The net flux of Na from the lumen to the blood side of isolated sheep rumen epithelium was reduced to zero in the third 30 min period after treatment with ouabain. 2. The net flux of K from blood...
Renal function in sheep during infusion of alkali metal ions into the renal artery.
1. The effect on renal function of 1 M solutions of LiCl, NaCl, KCl, RbCl and CsCl and 3 M-NaCl infused close-arterially to the kidney for 10 min at 0-7ml./min has been studied in nine experiments on...
Harrison, F. A., Leat, W. M. F.
1. The absorption of 3H- and 14C-labelled palmitic, stearic and oleic acids under control conditions and in the absence of bile and/or pancreatic juice has been studied in sheep prepared with...
Ion transport across an isolated preparation of sheep rumen epithelium
Ferreira, H. G., Harrison, F. A., Keynes, R. D., Zurich, L.
1. The fluxes of isotopically labelled sodium, potassium and chloride passing in each direction across isolated sheets of rumen epithelium from the sheep have been measured under short-circuit...
Renal excretion of potassium in the sheep
Dewhurst, J. K., Harrison, F. A., Keynes, R. D.
1. Observations were made on the daily intake and excretion of potassium and sodium in sheep housed in metabolism cages and fed once daily.
The potential and short-circuit current across isolated rumen epithelium of the sheep
Ferreira, H. G., Harrison, F. A., Keynes, R. D.
1. A technique is described for working with isolated sheets of rumen epithelium. Epithelium was obtained at operations for rumen fistulation or in acute experiments and was rapidly mounted between...
Observations on the potential across the rumen of the sheep
Ferreira, H. G., Harrison, F. A., Keynes, R. D., Nauss, A. H.
1. The electric potential difference between rumen contents and jugular venous blood was measured in anaesthetized sheep. In order to investigate the effect on the potential of changing the ionic...
Studies on the metabolism of 5α-androst-16-en-3-one in boar testis in vivo
Saat, Y. A., Gower, D. B., Harrison, F. A., Heap, R. B.
1. [5α-3H]5α-Androst-16-en-3-one (5α-androstenone) was infused at a constant rate for 180min into the spermatic artery of a sexually mature boar. Samples of spermatic-venous blood were collected...
Studies on the biosynthesis in vivo and excretion of 16-unsaturated C19 steroids in the boar
Saat, Y. A., Gower, D. B., Harrison, F. A., Heap, R. B.
1. In one experiment [7α-3H]pregnenolone was infused continuously for 12min into the left spermatic artery of a sexually mature boar and blood was collected during this period by continuous drainage...
The effect of acetzolamide on Ion transport across isolated sheep rumen epithelium.
Emanović, D, Harrison, F A, Keynes, R D, Rankin, J C
1. The net fluxes of sodium and chloride from the lumen to the blood side of isolated sheep rumen epithelium were reduced by treatment of both sides of the epithelium with acetazolamide. 2. The...
The effect of ouabain on ion transport across isolated sheep rumen epithelium.
Harrison, F A, Keynes, R D, Rankin, J C, Zurich, L
1. The net flux of Na from the lumen to the blood side of isolated sheep rumen epithelium was reduced to zero in the third 30 min period after treatment with ouabain. 2. The net flux of K from blood...
Renal function in sheep during infusion of alkali metal ions into the renal artery.
1. The effect on renal function of 1 M solutions of LiCl, NaCl, KCl, RbCl and CsCl and 3 M-NaCl infused close-arterially to the kidney for 10 min at 0-7ml./min has been studied in nine experiments on...
Harrison, F. A., Leat, W. M. F.
1. The absorption of 3H- and 14C-labelled palmitic, stearic and oleic acids under control conditions and in the absence of bile and/or pancreatic juice has been studied in sheep prepared with...
Ion transport across an isolated preparation of sheep rumen epithelium
Ferreira, H. G., Harrison, F. A., Keynes, R. D., Zurich, L.
1. The fluxes of isotopically labelled sodium, potassium and chloride passing in each direction across isolated sheets of rumen epithelium from the sheep have been measured under short-circuit...
Renal excretion of potassium in the sheep
Dewhurst, J. K., Harrison, F. A., Keynes, R. D.
1. Observations were made on the daily intake and excretion of potassium and sodium in sheep housed in metabolism cages and fed once daily.
The potential and short-circuit current across isolated rumen epithelium of the sheep
Ferreira, H. G., Harrison, F. A., Keynes, R. D.
1. A technique is described for working with isolated sheets of rumen epithelium. Epithelium was obtained at operations for rumen fistulation or in acute experiments and was rapidly mounted between...
Observations on the potential across the rumen of the sheep
Ferreira, H. G., Harrison, F. A., Keynes, R. D., Nauss, A. H.
1. The electric potential difference between rumen contents and jugular venous blood was measured in anaesthetized sheep. In order to investigate the effect on the potential of changing the ionic...