Zobrazeno 1 - 10
of 27
pro vyhledávání: '"K L, Greer"'
Publikováno v:
Journal of Biological Chemistry. 267:8260-8269
Chlorophyll apoprotein accumulation and expression were examined in mutants of Chlamydomonas reinhardtii blocked at specific steps of carotenoid or chlorophyll synthesis. In the absence of carotenoids: 1) apoproteins of the core and light-harvesting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::642aa28dd1933decc0311ba2d76defc2
https://doi.org/10.1016/s0021-9258(18)42436-2
https://doi.org/10.1016/s0021-9258(18)42436-2
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 39(6)
Our objective was to build and test a new system for transmission CT (TCT) imaging on a three-headed SPECT camera. The TCT images are intended for use in nonuniform attenuation correction of cardiac SPECT data.The system consists of a transmission li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::96fdb25b8871f627204b74467e83d3dd
https://pubmed.ncbi.nlm.nih.gov/9627354
https://pubmed.ncbi.nlm.nih.gov/9627354
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 39(2)
The purpose of this study was to evaluate the effects of patient motion on nonuniform attenuation correction of cardiac SPECT when the transmission and emission scans were performed sequentially. By using a sequential protocol rather than doing the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::afaa2a7f0c3f9acc0e464cab9c43e7bf
https://pubmed.ncbi.nlm.nih.gov/9476952
https://pubmed.ncbi.nlm.nih.gov/9476952
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 37(3)
Cone-beam collimators provide increased sensitivity at similar resolution compared to other collimators. The use of cone-beam collimators for brain imaging with triple-camera SPECT systems, however, results in truncation of the base of the brain beca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::2589ea5b000914be4a3afff02fd02f11
https://pubmed.ncbi.nlm.nih.gov/8772655
https://pubmed.ncbi.nlm.nih.gov/8772655
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 36(2)
This study evaluates the quantitative accuracy of SPECT for in vivo distributions of 99mTc radiopharmaceuticals using fanbeam (FB) and parallel-beam (PB) collimators and compares uniform and nonuniform attenuation correction methods in terms of quant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3ef5013867af5fbb98ce2e5e03a38c34
https://pubmed.ncbi.nlm.nih.gov/7830132
https://pubmed.ncbi.nlm.nih.gov/7830132
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 35(10)
The goals of this study were to investigate the effect of septal penetration on 123I SPECT activity quantitation using low-energy, high-resolution collimators, and to evaluate a semi-automatic method for measuring volume and activity of 123I distribu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::54a39a4d8e548b1788150162aa679f9f
https://pubmed.ncbi.nlm.nih.gov/7931675
https://pubmed.ncbi.nlm.nih.gov/7931675
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 34(11)
Simultaneously acquired dual-isotope 201Tl/99mTc SPECT studies were performed using cardiac and thoracic phantoms to evaluate the dual-isotope myocardial perfusion technique. Cardiac phantom images representing infarction, viable myocardium and vario
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::d989116cacfd6da2261e185cc2bbd0e4
https://pubmed.ncbi.nlm.nih.gov/8229251
https://pubmed.ncbi.nlm.nih.gov/8229251
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 34(9)
We describe a technique using a line source and a rotatable air-copper-lead assembly to acquire gamma transmission computed tomographic (TCT) data for determining attenuation maps to compensate SPECT emission scans. The technique minimizes problems a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::090d470d575a887e8610ffbd61af8f8c
https://pubmed.ncbi.nlm.nih.gov/8355079
https://pubmed.ncbi.nlm.nih.gov/8355079
Publikováno v:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 32(3)
Many clinical and research studies in nuclear medicine require quantitation of iodine-123 (123I) distribution for the determination of kinetics or localization. The objective of this study was to implement several reconstruction methods designed for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::88ab5adcb4677f4654a22bb75b331544
https://pubmed.ncbi.nlm.nih.gov/2005465
https://pubmed.ncbi.nlm.nih.gov/2005465
Publikováno v:
Plant Physiology. 82:114-120
Photosystem II particles of Chlamydomonas reinhardtii contain three extrinsic polypeptides of 29, 20, and 16 kilodaltons, whose functions are incompletely defined. We prepared a monospecific polyclonal antibody against the 29 kilodalton protein and d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4e82086e0a049f4d3600c786806d003
https://doi.org/10.1104/pp.82.1.114
https://doi.org/10.1104/pp.82.1.114