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Showing 1 to 12 of 36 entries
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Retraction.

Archives of general psychiatry

Stahl SM, Thiemann S, Faull KF, Barchas JD, Berger PA.
PMID: 2665689
Arch Gen Psychiatry. 1989 Aug;46(8):758. doi: 10.1001/archpsyc.1989.01810080088015.

No abstract available.

Privileged communications. The effect of California's new evidence code as it concerns physicians and psychotherapists.

California medicine

Gonda TA, Barchas JD, MacIntosh DN.
PMID: 5909640
Calif Med. 1966 Apr;104(4):272-7.
Free PMC Article

A physician has an ethical duty to hold in confidence communications made to him by his patient. A legal recognition of this ethical duty is found in the concept of privilege, which is the subject of this article. January...

Reviewers list: reviewers for 2000.

Archives of general psychiatry

Barchas JD.
PMID: 11115323
Arch Gen Psychiatry. 2000 Dec;57(12):1100-4. doi: 10.1001/archpsyc.57.12.1100.

No abstract available.

Closed-loop stable control of two deformable mirrors for compensation of amplitude and phase fluctuations.

Journal of the Optical Society of America. A, Optics, image science, and vision

Barchers JD.
PMID: 11999968
J Opt Soc Am A Opt Image Sci Vis. 2002 May;19(5):926-45. doi: 10.1364/josaa.19.000926.

A method for closed-loop stable control of two deformable mirrors for compensation of both amplitude and phase fluctuations is described. A generic implementation is described as well as an implementation that integrates the concept behind a point diffraction interferometer...

Optimal control of laser beams for propagation through a turbulent medium.

Journal of the Optical Society of America. A, Optics, image science, and vision

Barchers JD, Fried DL.
PMID: 12216872
J Opt Soc Am A Opt Image Sci Vis. 2002 Sep;19(9):1779-93. doi: 10.1364/josaa.19.001779.

Concerning the problem of transmitting a laser beam from one telescope to another telescope through a turbulent medium, it is established that using an adaptive optical system on both telescopes to precompensate an outgoing laser beam based on the...

Determination of tryptamine in rat brain by gas chromatography-mass spectrometry.

Journal of pharmaceutical and biomedical analysis

Peura P, Faull KF, Barchas JD.
PMID: 16867349
J Pharm Biomed Anal. 1988;6(6):821-5. doi: 10.1016/0731-7085(88)80097-9.

Tryptamine (TA) occurs in trace levels in the brain, but its role in the central nervous system is not clear. However, there is evidence that TA may be a neuromodulator since it binds to specific binding sites in the...

Dephosphorylation of purified brain tyrosine hydroxylase by rat striatal extracts.

Neurochemistry international

Lazar MA, Raese JD, Barchas JD.
PMID: 20487930
Neurochem Int. 1983;5(1):107-11. doi: 10.1016/0197-0186(83)90016-5.

Tyrosine hydroxylase (TH) was purified from bovine brain and enzymatically phosphorylated in vitro. Radioactively phosphorylated TH was dephosphorylated by rat tissue extracts. Of tissues examined, rat corpus striatal extracts were highest in specific activity in the TH dephosphorylating assay....

Quantitative Trait Locus and Brain Expression of HLA-DPA1 Offers Evidence of Shared Immune Alterations in Psychiatric Disorders.

Microarrays (Basel, Switzerland)

Morgan LZ, Rollins B, Sequeira A, Byerley W, DeLisi LE, Schatzberg AF, Barchas JD, Myers RM, Watson SJ, Akil H, Bunney WE, Vawter MP.
PMID: 26998349
Microarrays (Basel). 2016 Mar;5(1). doi: 10.3390/microarrays5010006. Epub 2016 Mar 07.

Genome-wide association studies of schizophrenia encompassing the major histocompatibility locus (MHC) were highly significant following genome-wide correction. This broad region implicates many genes including the MHC complex class II. Within this interval we examined the expression of two MHC...

Improved compensation of turbulence-induced amplitude and phase distortions by means of multiple near-field phase adjustments.

Journal of the Optical Society of America. A, Optics, image science, and vision

Barchers JD, Ellerbroek BL.
PMID: 11205987
J Opt Soc Am A Opt Image Sci Vis. 2001 Feb;18(2):399-411. doi: 10.1364/josaa.18.000399.

An approach for compensation of turbulence-induced amplitude and phase distortions is described. Two deformable mirrors are placed optically conjugate to the collecting aperture and to a finite range from this aperture. Two control algorithms are presented. The first is...

Evaluation of the impact of finite-resolution effects on scintillation compensation using two deformable mirrors.

Journal of the Optical Society of America. A, Optics, image science, and vision

Barchers JD.
PMID: 11760207
J Opt Soc Am A Opt Image Sci Vis. 2001 Dec;18(12):3098-109. doi: 10.1364/josaa.18.003098.

The impact of finite-resolution deformable mirrors and wave-front sensors is evaluated as it applies to fullwave conjugation using two deformable mirrors. The first deformable mirror is fixed conjugate to the pupil, while the second deformable mirror is at a...

Evaluation of the performance of Hartmann sensors in strong scintillation.

Applied optics

Barchers JD, Fried DL, Link DJ.
PMID: 11900119
Appl Opt. 2002 Feb 20;41(6):1012-21. doi: 10.1364/ao.41.001012.

A simulation study is presented that evaluates the performance of Hartmann wave-front sensors with measurements obtained with the Fried geometry and the Hutchin geometry. Performance is defined in terms of the Strehl ratio achieved when the estimate of the...

Indicators of need for health care personnel: the concept of need, alternative measures employed to determine need, and a suggested model.

Medical care

Fahs IJ, Choi T, Barchas K, Zakariasen P.
PMID: 5554393
Med Care. 1971 Mar-Apr;9(2):144-51. doi: 10.1097/00005650-197103000-00006.

No abstract available.

Showing 1 to 12 of 36 entries