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Characteristics of two noncarotenogenic light sensitive mutants of Scenedesmus obliquus strain D₃

Creator:: Harvey, Geoffrey W.
Abstract:: Two light sensitive mutants of the green alga Scenedesmus obliquus strain D₃ have been characterized. The photodynamic nature of their sensitivity has been established, the subchloroplast site of photodamage has been investigated, and their noncarotenogenic character has been verified. The two mutants possess several similarities, although mutant L. S. -41...
Resource Type:: Dissertation
Full Text:: obliquus Strain D3 Abstract approved: Redacted for privacy Norman I. Bishof- Two light sensitive mutants

Time effect of wild oat removal on winter wheat yield

Creator:: Abu-Irmaileh, Barakat Eid Ahmad
Abstract:: The extent of the competitive effect of wild oats on winter wheat yield was estimated in field studies on three commercial wheat farms in the Willamette Valley. The morphological development of the wild oat plants was also documented. Wild oats were removed from stands of wheat in six different treatments;...
Resource Type:: Masters Thesis
Full Text:: REMOVAL ON WINTER WHEAT YIELD Redacted for Privacy Abstract approved: Norman toetze The extent of the

Effect of broadleaf weeds on winter wheat yields

Creator:: Gingrich, Gale Allen
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Dr. Norman Goetze The use of diclofop {2- [4- (2,4-dichlorophenoxy)phenoxy] propanoic

Decline of radioactivity in the Columbia River and estuary : rates and mechanisms

Creator:: Johnson, Vernon Gene
Resource Type:: Dissertation
Full Text:: COLUMBIA RIVER AND ESTUARY: RATES AND MECHANISMS '11, Abstract approved: Norman Cutshail The decline

The design, development and testing of an experimental individualized learning system

Creator:: Neff, Gale Norman
Abstract:: This study was an experimental investigation of two methods of teaching students the cognitive knowledge and psychomotor skills pertaining to the automobile brake system. The methods investigated were the experimental individualized learning system and the traditional group-lecture and demonstration. Experimental Design and Procedure The experiment, conducted during the spring term...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF GALE NORMAN NEFF for the DOCTOR

The effects of a mutation within vitamin E biosynthesis upon the development and function of the photosynthetic apparatus

Creator:: Sicher, Richard Charles
Abstract:: A new photosystem-II mutant of the green alga Scenedesmus obliquus D₃, strain PS-28, has been shown to lack a-tocopherol (vitamin E). The photosynthetic activity of dark grown samples of PS-28 is about 20% of the wild-type control. Culturing the mutant at low light intentisites (10⁴ ergs/sec-cm ²) stimulates photosynthetic activity...
Resource Type:: Dissertation
Full Text:: . Norman Bishop, for his support and encouragement during the period when these studies were being

Isotopic exchange and complexation of iron, zinc, and manganese in a long-term marine phytoplankton culture

Creator:: Riedel, Gerhardt Frederick
Resource Type:: Masters Thesis
Full Text:: : Norman k-i. cutstiail Isotopic exchange of 59Fe, 65 Zn, and 54Mn with their corres- ponding stable

Synthesis of the 2, 3, 3a, 8a-tetrahydro-2-hydroxy-furo [2, 3-b]benzofuran ring system, an aflatoxin moiety

Creator:: Jones, David James
Abstract:: A new method for the preparation of the 2, 3, 3a,8a-tetrahydro-2-hydroxyfuro[2, 3-b] benzofuran, XXX, ring system has been developed. The synthesis envolved a substitution reaction of phenol, XXIV, with 1-bromo-2, 5-hexadiene, XXV, to give 2, 5-hexadien-l -yl phenyl ether, XXVII. The ether was rearranged via an ortho-Claisen rearrangement to 3-(o-hydroxyphenyl)-l,...
Resource Type:: Masters Thesis
Full Text:: AFLATOXIN MOIETY ^ ^ r__ Abstract approved: „ Dr. Norman £. Pawlowski A new method for the

Radioactive zinc (⁶⁵Zn), zinc, cadmium, and mercury in the Pacific hake, Merluccius productus (Ayres), off the west coast of the United States

Creator:: Naidu, Janakiram Ramaswamy
Resource Type:: Dissertation
Full Text:: , Dr. Norman H. Cutshall, I extend my sincerest thanks. His keen interest in my program and his

Photochemical degradation of sediment organic matter : effect on Zn-65 release

Creator:: Lenaers, William Michael
Abstract:: Columbia River sediment was irradiated with ultraviolet light to determine if organic material could be removed without altering the sorptive properties of the hydrous oxides of iron and manganese. A laboratory preparation of Zn-65 spiked hydrous ferric oxide was subjected to ultraviolet irradiation in order to assess the photochemical effect...
Resource Type:: Masters Thesis
Full Text:: : PHOTOCHEMICAL DEGRADATION OF SEDIMENT ORGANIC 1s.ifATT1P. 'CT (ThT 7t.Ac PT1A.c1 Abstract approved: Norman H

ScholarsArchive@OSU

Characteristics of two noncarotenogenic light sensitive mutants of Scenedesmus obliquus strain D₃

Time effect of wild oat removal on winter wheat yield

Effect of broadleaf weeds on winter wheat yields

Decline of radioactivity in the Columbia River and estuary : rates and mechanisms

The design, development and testing of an experimental individualized learning system

The effects of a mutation within vitamin E biosynthesis upon the development and function of the photosynthetic apparatus

Isotopic exchange and complexation of iron, zinc, and manganese in a long-term marine phytoplankton culture

Synthesis of the 2, 3, 3a, 8a-tetrahydro-2-hydroxy-furo [2, 3-b]benzofuran ring system, an aflatoxin moiety

Radioactive zinc (⁶⁵Zn), zinc, cadmium, and mercury in the Pacific hake, Merluccius productus (Ayres), off the west coast of the United States

Photochemical degradation of sediment organic matter : effect on Zn-65 release

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