Zobrazeno 1 - 10
of 12
pro vyhledávání: '"R J Westcott"'
Publikováno v:
In Vitro Cellular & Developmental Biology - Plant. 34:218-224
Techniques for transforming intact tissues of cereals were evaluated for their efficacy in transforming immature embryos and Type II callus of maize (Zea mays L.). The techniques used were particle bombardment, tissue electroporation, tissue electrop
Autor:
Albert A. Carr, B McKee, M Desnoyers, Miguel A. Zinny, D M O'Donnell, B R Nelson, L M Prisant, R J Westcott, Brian S. Bryzinski
Publikováno v:
The Journal of Clinical Pharmacology. 30:1096-1101
Twenty-six patients with mild-to-moderate essential hypertension participated in a 6-week outpatient, multicenter, randomized, double-blind, placebo-controlled two-way crossover study to assess the hemodynamic effects of bisoprolol (20 mg QD) at stea
Autor:
R. J. Westcott
Publikováno v:
Plant Cell Reports. 14
Callus has been induced on needle and bud explants from 2, 6 and 26 year old Picea abies (L.) Karst, trees. Seventy seven percent of the needle explants from the youngest material was productive compared to 0.2% for the old tree. New embryogenic sect
Publikováno v:
Southern Medical Journal. 88:661
Laparoscopic procedures incur risks and complications that differ from their "open" counterparts. Although rare, injury to asymptomatic umbilical remnants (eg, Meckel's diverticulum) is one of these unique complications.
Autor:
R. J. Westcott
Publikováno v:
Potato Research. 24:343-352
The interval between transfers of organ cultures from seventeen potato cultivars has been extended from several weeks to twelve months by the addition of growth retardants to the medium. The presence of abscisic acid or mannitol in the medium increas
Autor:
R. J. Westcott
Publikováno v:
Potato Research. 24:331-342
The interval between transfers of organ cultures derived from fifteen potato cultivars has been extended from four weeks to twelve months or longer. Reduction of temperature from 22 °C to 6–12 °C particularly with temperature cycling (6 °C durin
Publikováno v:
Annals of Botany. 41:1113-1116
Publikováno v:
Potato Research. 20:131-136
Regenerated plants showed no differences in the biochemical characters measured, indicating probable genotype stability in culture. The significant morphological differences from the control plants could be due to environmental factors.
Publikováno v:
The American Journal of Cardiology. 41:279-287
A noninvasive method has been developed utilizing myocardial imaging of thallium-201 injected intravenously at rest and during coronary vasodilatation induced with intravenously administered dipyridamole, a potent selective coronary vasodllator. The
Autor:
G. G. Henshaw, R. J. Westcott
Publikováno v:
Planta. 131:67-73
Phenolic metabolism is influenced by the levels of sucrose, nitrogen and 2,4 dichlorophenoxyacetic acid (2,4-D) in the growth medium. Chromatographic evidence suggests that the principle products are polymers of leucocyanin, (-) epicatechin and (+) c