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Showing 1 to 12 of 147 entries
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Multiple-stage decisions in a marine central-place forager.

Royal Society open science

Friedlaender AS, Johnston DW, Tyson RB, Kaltenberg A, Goldbogen JA, Stimpert AK, Curtice C, Hazen EL, Halpin PN, Read AJ, Nowacek DP.
PMID: 27293784
R Soc Open Sci. 2016 May 11;3(5):160043. doi: 10.1098/rsos.160043. eCollection 2016 May.

Air-breathing marine animals face a complex set of physical challenges associated with diving that affect the decisions of how to optimize feeding. Baleen whales (Mysticeti) have evolved bulk-filter feeding mechanisms to efficiently feed on dense prey patches. Baleen whales...

Opinion strength influences the spatial dynamics of opinion formation.

The Journal of mathematical sociology

Baumgaertner BO, Tyson RT, Krone SM.
PMID: 28529381
J Math Sociol. 2016;40(4):207-218. doi: 10.1080/0022250X.2016.1205049. Epub 2016 Sep 06.

Opinions are rarely binary; they can be held with different degrees of conviction, and this expanded attitude spectrum can affect the influence one opinion has on others. Our goal is to understand how different aspects of influence lead to...

Metal-organic approach to binary optical memory.

Journal of the American Chemical Society

Tyson DS, Bignozzi CA, Castellano FN.
PMID: 11971694
J Am Chem Soc. 2002 May 01;124(17):4562-3. doi: 10.1021/ja0255608.

Two new Ru(II) diimine chromophores, each containing a single photochromic dianthryl unit, have been prepared and characterized. The photoluminescence from the Ru(II) complexes is modulated by the photochromic action of the dianthryl species, which serves as a triplet energy...

Microelectromechanical system programmable aberration generator for adaptive optics.

Applied optics

Tyson RK, Frazier BW.
PMID: 18357210
Appl Opt. 2001 May 01;40(13):2063-7. doi: 10.1364/ao.40.002063.

Adaptive optics systems and control algorithms can be tested in the laboratory with controlled disturbances. We have a micromachined deformable mirror that we use as a programmable aberration generator. We present a method of programming the actuator amplitudes so...

Current mental hygiene practice; an inventory of basic teachings.

Journal of clinical psychology

TYSON R.
PMID: 14794821
J Clin Psychol. 1951 Jan;7(1):1-94. doi: 10.1002/1097-4679(195101)7:1<1::aid-jclp2270070102>3.0.co;2-f.

No abstract available.

The Hasanlu Project: Archeologists, working with natural scientists, delineate life in a 1000 B.C. town of Azerbaijan.

Science (New York, N.Y.)

Dyson RH.
PMID: 17808703
Science. 1962 Feb 23;135(3504):637-47. doi: 10.1126/science.135.3504.637.

The aim of this article has been to indicate some of the work in progress, both in the field and in the laboratory, in connection with the Hasanlu project. Since this work is still going on, no definitive conclusions...

Trichloroethylene biotransformation in human and rat primary hepatocytes.

Toxicology in vitro : an international journal published in association with BIBRA

Knadle SA, Green CE, Baugh M, Vidensek M, Short SM, Partos X, Tyson CA.
PMID: 20702228
Toxicol In Vitro. 1990;4(4):537-41. doi: 10.1016/0887-2333(90)90114-9.

The biotransformation of trichloroethylene (TCY) was studied in male Sprague-Dawley rats and in human hepatocyte suspensions to aid in estimating the potential for hepatocarcinogenesis in humans. The major metabolites were qualitatively identical in both species, but rat hepatocytes metabolized...

Correlation between in vivo and in vitro toxicity of some chlorinated aliphatics.

Toxicology in vitro : an international journal published in association with BIBRA

Tyson CA, Gee SJ, Hawk-Prather K, Story DL, Milman HA.
PMID: 20702312
Toxicol In Vitro. 1989;3(2):145-50. doi: 10.1016/0887-2333(89)90057-x.

The release of lactate dehydrogenase (LDH) and aspartate aminotransferase (AST) from rat and mouse hepatocytes was used to rank the in vitro cytotoxic potential of eight chlorinated aliphatic compounds. The rankings were compared with toxicity rankings based on the...

Mechanisms of mild ocular irritation.

Toxicology in vitro : an international journal published in association with BIBRA

Nourse WL, Tyson CA, Bednarz RM.
PMID: 20650175
Toxicol In Vitro. 1995 Dec;9(6):967-76. doi: 10.1016/0887-2333(95)00079-8.

Irritation and inflammation are complex processes. Several biochemical events are involved in the initiation, amplification and ultimate resolution of an inflammatory sequence, with the exact details depending on the nature of the insult. A wide variety of protocols have...

Generation of an optical vortex with a segmented deformable mirror.

Applied optics

Tyson RK, Scipioni M, Viegas J.
PMID: 19023397
Appl Opt. 2008 Nov 20;47(33):6300-6. doi: 10.1364/ao.47.006300.

We present a method for the creation of optical vortices by using a deformable mirror. Optical vortices of integer and fractional charge were successfully generated at a wavelength of 633 nm and observed in the far field (2000 mm)....

Some Incidental Observations on the Possibility of a Virus as Part Causal Factor in Rheumatism.

Annals of the rheumatic diseases

Dyson CB.
PMID: 18623633
Ann Rheum Dis. 1939 Jan;1(1):15-7. doi: 10.1136/ard.1.1.15.

No abstract available.

Using the deformable mirror as a spatial filter: application to circular beams.

Applied optics

Tyson RK.
PMID: 20372540
Appl Opt. 1982 Mar 01;21(5):787-93. doi: 10.1364/AO.21.000787.

Adaptive optics correction of a wave front by a deformable mirror that acts as a lossless spatial filter is studied. The decomposition of the wave front into Zernike polynomials provides a means for deriving the rms error of a...

Showing 1 to 12 of 147 entries