Research Output 1970 2019

1800

Test of Ubiquituous to Real INteractional Expertise (TURINEX)

Seager, T. P., 1800

Research output: Non-textual formSoftware

1970
24 Citations (Scopus)

COMPARATIVE STUDIES IN THE GENUS PORPHYRIDIUM NAEG.

Sommerfeld, M. R. & Nichols, H. W., 1970, In : Journal of Phycology. 6, 1, p. 67-78 12 p.

Research output: Contribution to journalArticle

Porphyridium
Porphyridium cruentum
gentian violet
copper sulfate
pigmentation
7 Citations (Scopus)

Pit connections in Bangia fuscopurpurea

Sommerfeld, M. R. & Leeper, G. F., Mar 1970, In : Archiv für Mikrobiologie. 73, 1, p. 55-60 6 p.

Research output: Contribution to journalArticle

Membrane structures
Algae
Life Cycle Stages
Electron microscopy
Life cycle
1973
4 Citations (Scopus)

A technique for extraction and storage of water samples for Mn, Cd, and Pb determination by atomic absorption spectroscopy

Olsen, R. D. & Sommerfeld, M. R., 1973, ATOMIC ABSORPT.NEWSLTR. 6 ed. Vol. 12. p. 165-166 2 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Spectrum Analysis
Acetone
Water
Metals
Temperature
17 Citations (Scopus)

THE LIFE CYCLE OF BANGIA FUSCOPURPUREA IN CULTURE. I. EFFECTS OF TEMPERATURE AND PHOTOPERIOD ON THE MORPHOLOGY AND REPRODUCTION OF THE BANGIA PHASE

Sommerfeld, M. R. & Nichols, H. W., 1973, In : Journal of Phycology. 9, 2, p. 205-210 6 p.

Research output: Contribution to journalArticle

Bangia
photoperiod
spore
life cycle (organisms)
life cycle
1974

Gamete activity in mating strains of Chlamydomonas eugametos

Richards, J. S. & Sommerfeld, M. R., Jan 1974, In : Archives of Microbiology. 98, 1, p. 69-75 7 p.

Research output: Contribution to journalArticle

Chlamydomonas
Germ Cells
Zygote
Agar
1975
13 Citations (Scopus)

LIGHT AND ELECTRON MICROSCOPE OBSERVATIONS ON MOTILE CELLS OF PORPHYRIDIUM PURPUREUM (RHODOPHYTA)

Lin, H. ., Sommerfeld, M. R. & Swafford, J. R., 1975, In : Journal of Phycology. 11, 4, p. 452-457 6 p.

Research output: Contribution to journalArticle

Porphyridium
light microscopes
electron microscopes
agar
Rhodophyta
1976
1 Citation (Scopus)

Nutrient limitation of phytoplankton in a central Arizona reservoir

Crane, N. L. & Sommerfeld, M. R., Dec 1976, In : Hydrobiologia. 51, 3, p. 219-224 6 p.

Research output: Contribution to journalArticle

Phytoplankton
nutrient limitation
Nutrients
Phosphorus
phytoplankton
1977
9 Citations (Scopus)

Comparative Ultrastructure of the Alternating Vegetative Phases of Bangia fuscopurpurea (Bangiophycidae, Rhodophyta)

Lin, H. P., Swafford, J. R. & Sommerfeld, M. R., 1977, In : Botanica Marina. 20, 6, p. 339-344 6 p.

Research output: Contribution to journalArticle

algae
Bangia
Conchocelis
chromatophores
ultrastructure
10 Citations (Scopus)

The physical-chemical limnology of a desert reservoir

Olsen, R. D. & Sommerfeld, M. R., Apr 1977, In : Hydrobiologia. 53, 2, p. 117-129 13 p.

Research output: Contribution to journalArticle

Limnology
limnology
Lakes
deserts
desert
1978
3 Citations (Scopus)

SURVEY OF SWIMMING POOL ALGAE OF THE PHOENIX, ARIZONA, METROPOLITAN AREA1

Adamson, R. P. & Sommerfeld, M. R., 1978, In : Journal of Phycology. 14, 4, p. 519-521 3 p.

Research output: Contribution to journalArticle

algae
Plectonema
alga
Phormidium
Roya
1979
12 Citations (Scopus)

Composition and abundance of phytoplankton in tributaries of the lower Colorado river, Grand Canyon region

Crayton, W. M. & Sommerfeld, M. R., Sep 1979, In : Hydrobiologia. 66, 1, p. 81-93 13 p.

Research output: Contribution to journalArticle

Colorado River
Phytoplankton
canyons
canyon
tributary
9 Citations (Scopus)

Structure of nitroarginine. A nitrogen-15 nuclear magnetic resonance study

Gust, D., Dirks, G. & Pettit, G. R., 1979, In : Journal of Organic Chemistry. 44, 2, p. 314-316 3 p.

Research output: Contribution to journalArticle

Nitroarginine
Esters
Nitrogen
Nuclear magnetic resonance
1980
29 Citations (Scopus)

Cellulose in the cell walls of the Bangiophyceae (Rhodophyta)

Gretz, M. R., Aronson, J. M. & Sommerfeld, M. R., 1980, In : Science. 207, 4432, p. 779-781 3 p.

Research output: Contribution to journalArticle

Rhodophyta
cellulose
Conchocelis
cell walls
algae
82 Citations (Scopus)

ENERGY TRANSFER FROM CAROTENOID POLYENES TO PORPHYRINS: A LIGHT‐HARVESTING ANTENNA

Moore, A., Dirks, G., Gust, D. & Moore, T., 1980, In : Photochemistry and Photobiology. 32, 5, p. 691-695 5 p.

Research output: Contribution to journalArticle

Polyenes
carotenoids
Energy Transfer
Porphyrins
Carotenoids
4 Citations (Scopus)

Laboratory comparison of the effectiveness of several algicides on isolated swimming pool algae

Adamson, R. P. & Sommerfeld, M. R., 1980, In : Applied and Environmental Microbiology. 39, 2, p. 348-353 6 p.

Research output: Contribution to journalArticle

algae
algicides
swimming pools
65 Citations (Scopus)

LIGHT ABSORPTION AND ENERGY TRANSFER IN POLYENE‐PORPHYRIN ESTERS

Dirks, G., Moore, A., Moore, T. & Gust, D., 1980, In : Photochemistry and Photobiology. 32, 2, p. 277-280 4 p.

Research output: Contribution to journalArticle

Polyenes
Energy Transfer
electromagnetic absorption
Energy transfer
Light absorption
4 Citations (Scopus)

PHOTOMOVEMENT RESPONSES OF PORPHYRIDIUM PURPUREUM

Hill, S. A., Towill, L. R. & Sommerfeld, M. R., 1980, In : Journal of Phycology. 16, 3, p. 444-448 5 p.

Research output: Contribution to journalArticle

Porphyridium
wavelengths
light quality
photoreceptors
cell movement
1981
27 Citations (Scopus)

Elemental concentrations in lichens in the area of the four corners power plant, New Mexico

Nash, T. H. & Sommerfeld, M. R., 1981, In : Environmental and Experimental Botany. 21, 2, p. 153-162 10 p.

Research output: Contribution to journalArticle

power plants
lichen
lichens
power plant
fly ash
71 Citations (Scopus)

Mimicry of antenna and photo-protective carotenoid functions by a synthetic carotenoporphyrin

Bensasson, R. V., Land, E. J., Morre, A. L., Crouch, R. L., Dirks, G., Moore, T. & Gust, D., 1981, In : Nature. 290, 5804, p. 329-332 4 p.

Research output: Contribution to journalArticle

antennae
carotenoids
singlet oxygen
chlorophyll
porphyrins
2 Citations (Scopus)

Stereochemistry of oligomeric proteins

Gust, D. & Dirks, G., Sep 7 1981, In : Journal of Theoretical Biology. 92, 1, p. 39-55 17 p.

Research output: Contribution to journalArticle

Stereochemistry
stereochemistry
Proteins
Protein
Enzymes
1982
16 Citations (Scopus)

ALGAL DISTRIBUTION IN A SMALL, INTERMITTENT STREAM RECEIVING ACID MINE‐DRAINAGE

Lampkin, A. J. & Sommerfeld, M. R., 1982, In : Journal of Phycology. 18, 2, p. 196-199 4 p.

Research output: Contribution to journalArticle

ephemeral streams
acids
acid
flora
Microthamnion
22 Citations (Scopus)

Cell Wall Composition of the Generic Phase of Bangia atropurpurea (Rhodophyta)

Gretz, M. R., Sommerfeld, M. R. & Aronson, J. M., 1982, In : Botanica Marina. 25, 11, p. 529-536 8 p.

Research output: Contribution to journalArticle

Bangia
cell wall components
Rhodophyta
cell walls
galactose
5 Citations (Scopus)

Influence of stabilizer concentration on effectiveness of chlorine as an algicide

Sommerfeld, M. R. & Adamson, R. P., 1982, In : Applied and Environmental Microbiology. 43, 2, p. 497-499 3 p.

Research output: Contribution to journalArticle

chlorine
13 Citations (Scopus)

LIGHT REQUIREMENTS FOR MONOSPORE GERMINATION IN BANGIA ATROPURPUREA (RHODOPHYTA)

Charnofsky, K., Towill, L. R. & Sommerfeld, M. R., 1982, In : Journal of Phycology. 18, 3, p. 417-422 6 p.

Research output: Contribution to journalArticle

Bangia
light requirement
Rhodophyta
germination
white light
1983
31 Citations (Scopus)

The galactan sulphates of the conchocelis phases of Porphyra leucostricta and Bangia atropurpurea (rhodophyta)

Gretz, M. R., Mccandless, E. L., Aronson, J. M. & Sommerfeld, M. R., Jun 1983, In : Journal of Experimental Botany. 34, 6, p. 705-711 7 p.

Research output: Contribution to journalArticle

Bangia
Porphyra
Conchocelis
Galactans
Rhodophyta
1984
13 Citations (Scopus)

Taxonomic significance of cellulosic cell walls in the bangiales (Rhodophyta)

Gretz, M. R., Aronson, J. M. & Sommerfeld, M. R., 1984, In : Phytochemistry. 23, 11, p. 2513-2514 2 p.

Research output: Contribution to journalArticle

Bangiales
Rhodophyta
Cellulose
Cell Wall
cellulose

TEQUEL: THE QUERY LANGUAGE OF SADDLE.

Rajan, S., 1984, NASA Conference Publication. NASA, Scientific & Technical Information Branch, p. 55-71 17 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Query languages
FORTRAN (programming language)
Application programs
1985
3 Citations (Scopus)

On designing a database management system for a computer-aided engineering software system

Rajan, S. & Bhatti, M. A., 1985, In : Computers and Structures. 21, 5, p. 1047-1057 11 p.

Research output: Contribution to journalArticle

Software System
Engineering
CAD/CAM
Microprocessor
Computer aided manufacturing
2 Citations (Scopus)

Preliminary optimal design of cable-stayed bridges

Bhatti, M. A., Nasir Raza, S. M. & Rajan, S., Jan 1 1985, In : Engineering Optimization. 8, 4, p. 265-289 25 p.

Research output: Contribution to journalArticle

Cable-stayed Bridge
Cable stayed bridges
Cable
Cables
Methodology

TEQUEL: An engineering relational DBMS

Rajan, S., Mar 1 1985, In : Engineering Computations. 2, 3, p. 195-202 8 p.

Research output: Contribution to journalArticle

Query languages
FORTRAN (programming language)
Application programs
1986
12 Citations (Scopus)

Cell Wall Composition of the Conchocelis Phases of Bangia atropurpurea and Porphyra leucosticta (Rhodophyta)

Gretz, M. R., Aronson, J. M. & Sommerfeld, M. R., Jan 1 1986, In : Botanica Marina. 29, 2, p. 91-96 6 p.

Research output: Contribution to journalArticle

Bangia
Conchocelis
Porphyra
cell wall components
Rhodophyta
36 Citations (Scopus)

CRYPTOENDOLITHIC ALGAL COMMUNITIES OF THE COLORADO PLATEAU

Bell, R. A., Athey, P. V. & Sommerfeld, M. R., 1986, In : Journal of Phycology. 22, 4, p. 429-435 7 p.

Research output: Contribution to journalArticle

algae
algal community
sandstone
plateaus
plateau
4 Citations (Scopus)

HYBRID NONLINEAR PROGRAMMING METHOD FOR DESIGN OPTIMIZATION.

Rajan, S., 1986, In : Journal of Structural Mechanics. 14, 4, p. 455-474 20 p.

Research output: Contribution to journalArticle

nonlinear programming
design optimization
Nonlinear programming
Nonlinear Programming
Bearings (structural)

Impact of acid mine-drainage from abandoned spoils on the chemistry of an intermittent stream in the arid Southwest

Lampkin, A. J. & Sommerfeld, M. R., Aug 1986, In : Hydrobiologia. 139, 2, p. 135-142 8 p.

Research output: Contribution to journalArticle

ephemeral streams
acid mine drainage
Drainage
Lakes
Phosphorus
5 Citations (Scopus)

SADDLE: A computer-aided structural analysis and dynamic design language-part II. database management system

Rajan, S. & Bhatti, M. A., 1986, In : Computers and Structures. 22, 2, p. 205-212 8 p.

Research output: Contribution to journalArticle

Structural Dynamics
Structural dynamics
Structural Analysis
Structural analysis
Managers
9 Citations (Scopus)

SADDLE: A computer-aided structural analysis and dynamic design language-Part I. design system

Rajan, S. & Bhatti, M. A., 1986, In : Computers and Structures. 22, 2, p. 185-204 20 p.

Research output: Contribution to journalArticle

Structural Dynamics
Structural dynamics
Structural Analysis
Structural analysis
System Design
1987
38 Citations (Scopus)

Algal biomass and primary production within a temperate zone sandstone.

Bell, R. A. & Sommerfeld, M. R., 1987, In : American Journal of Botany. 74, 2, p. 294-297 4 p.

Research output: Contribution to journalArticle

sandstone
temperate zones
Biomass
primary production
primary productivity
1988
11 Citations (Scopus)

Characterization of saline groundwater resource quality for aquatic biomass production: A statistically-based approach

Barclay, W. R., Nagle, N. J., Terry, K. L., Ellingson, S. B. & Sommerfeld, M. R., 1988, In : Water Research. 22, 3, p. 373-379 7 p.

Research output: Contribution to journalArticle

Groundwater resources
groundwater resource
Biomass
biomass
Water
1991
14 Citations (Scopus)

CHEMICAL COMPOSITION OF THE CELL WALLS OF THE FRESHWATER RED ALGA LEMANEA ANNULATA (BATRACHOSPERMALES)

Gretz, M. R., Sommerfeld, M. R., Athey, P. V. & Aronson, J. M., 1991, In : Journal of Phycology. 27, 2, p. 232-240 9 p.

Research output: Contribution to journalArticle

Lemanea
red alga
Rhodophyta
chemical composition
cell walls

Optimization of innovative biological treatment

Fox, P. & Suidan, M. T., 1991, Environmental Engineering. Krenkel, P. A. (ed.). New York, NY, United States: Publ by ASCE, p. 625-630 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biodegradation
Adsorption isotherms
Refractory materials
Wastewater
Experiments
1993
2 Citations (Scopus)

Comparison of poliovirus detection in water by cell culture and nucleic acid hybridization

Enriquez, C. E., Abbaszadegan, M., Pepper, I. L., Richardson, K. J., Margolin, A. B. & Gerba, C. P., 1993, In : Water Science and Technology. 27, 3-4, p. 315-319 5 p.

Research output: Contribution to journalArticle

Nucleic acids
nucleic acid
Cell culture
well water
assay

Evaluation of a microbiological water purifier for inactivation of viruses, bacteria and Giardia cysts

Abbaszadegan, M., Gerba, C. P., Yahya, M. T. & Rusin, P., 1993, In : Water Science and Technology. 27, 3-4, p. 329-333 5 p.

Research output: Contribution to journalArticle

cyst
Viruses
Bacteria
virus
bacterium
19 Citations (Scopus)

Poliovirus detection in water by cell culture and nucleic acid hybridization

Enriquez, C. E., Abbaszadegan, M., Pepper, I. L., Richardson, K. J. & Gerba, C. P., 1993, In : Water Research. 27, 7, p. 1113-1118 6 p.

Research output: Contribution to journalArticle

Nucleic acids
nucleic acid
Cell culture
well water
assay
145 Citations (Scopus)

Specific detection of Salmonella spp. by multiplex polymerase chain reaction

Way, J. S., Josephson, K. L., Pillai, S. D., Abbaszadegan, M., Gerba, C. P. & Pepper, I. L., 1993, In : Applied and Environmental Microbiology. 59, 5, p. 1473-1479 7 p.

Research output: Contribution to journalArticle

Multiplex Polymerase Chain Reaction
Salmonella
polymerase chain reaction
Citrobacter
Polymerase Chain Reaction
1994
31 Citations (Scopus)

A method to detect enteroviruses in sewage sludge-amended soil using the PCR

Straub, T. M., Pepper, I. L., Abbaszadegan, M. & Gerba, C. P., 1994, In : Applied and Environmental Microbiology. 60, 3, p. 1014-1017 4 p.

Research output: Contribution to journalArticle

Enterovirus
sewage sludge
Sewage
sludge
Soil
7 Citations (Scopus)

Study of persistence of enteric viruses in landfilled disposable diapers

Huber, M. S., Gerba, C. P., Abbaszadegan, M., Robinson, J. A. & Bradford, S. M., 1994, In : Environmental Science and Technology. 28, 9, p. 1767-1772 6 p.

Research output: Contribution to journalArticle

Viruses
virus
persistence
Land fill
Cell culture
1997
99 Citations (Scopus)

Characterization of the growth and lipid content of the diatom Chaetoceros muelleri

McGinnis, K. M., Dempster, T. & Sommerfeld, M. R., 1997, In : Journal of Applied Phycology. 9, 1, p. 19-24 6 p.

Research output: Contribution to journalArticle

Chaetoceros muelleri
Diatoms
Bacillariophyceae
diatom
lipid
57 Citations (Scopus)

The disinfection efficacy of a point-of-use water treatment system against bacterial, viral and protozoan waterborne pathogens

Abbaszadegan, M., Hasan, M. N., Gerba, C. P., Roessler, P. F., Wilson, B. R., Kuennen, R. & Van Dellen, E., 1997, In : Water Research. 31, 3, p. 574-582 9 p.

Research output: Contribution to journalArticle

Disinfection
Pathogens
Water treatment
disinfection
water treatment
1998
43 Citations (Scopus)

Effects of environmental conditions on growth and lipid accumulation in Nitzschia communis (Bacillariophyceae)

Dempster, T. & Sommerfeld, M. R., Aug 1998, In : Journal of Phycology. 34, 4, p. 712-721 10 p.

Research output: Contribution to journalArticle

Nitzschia
Bacillariophyceae
lipid
environmental conditions
environmental factors