Results 181 to 190 of about 8,796 (221)

Differential cytotoxicity of methanol and water extracts from Bacopa monnieri (L.) Wettst and Ceratophyllum demersum L. on HepG2 and THLE2 cells

Bulletin of Biotechnology
This study evaluated the cytotoxic effects of methanol and water extracts from Bacopa monnieri (L.) Wettst and Ceratophyllum demersum L. on HepG2 (liver cancer) and THLE2 (normal liver) cell lines using XTT assay.
Mustafa Arı, B. Emsen, Muhammet Doğan
semanticscholar   +1 more source

Variation of Ceratophyllum Demersum in Eastern Kansas

Transactions of the Kansas Academy of Science (1903-), 1951
Field observations in the state reveal that Ceratophyllum demersum L. is a much more common plant than our records show. Gates (1940) lists the plant from eight scattered counties. The writer has, however, found the species in many Kansas counties and feels certain that it occurs throughout the state in suitable habitats.
R. L. McGregor, K. L. Sperry
openaire   +1 more source

Ammonia stress on the carbon metabolism of Ceratophyllum demersum

Environmental Toxicology and Chemistry, 2014
Abstract   In the present study, carefully controlled pH ranges (7 and 9) were used to distinguish between the effects of un-ionized NH3 and the NH4+ ion. The objective was to find the effect of different total ammonia nitrogen concentrations and pH values on the carbon metabolism of Ceratophyllum ...
Jingqing, Gao, Linshuai, Li, Zhiyuan, Hu, Songfeng, Zhu, Ruiqin, Zhang, Zhiting, Xiong   +5 more
openaire   +2 more sources

Ceratophyllum demersum – phosphorus interactions in nutrient enriched aquaria

Hydrobiologia, 2003
High macrophyte density in shallow lakes is often associated with clear water, especially when the non-rooted, submerged angiosperm Ceratophyllum demersum is dominant. Lack of true roots and high surface area:volume ratio suggest that nutrient uptake from the water column by C. demersum may be high.
Paola Lombardo, G. Dennis Cooke
openaire   +1 more source

Effect of ammonia stress on nitrogen metabolism of Ceratophyllum demersum

Environmental Toxicology and Chemistry, 2015
Abstract   The objective of the present study was to determine the effect of total ammonia N concentration and pH on N metabolism of Ceratophyllum demersum and to evaluate stress as a result of inorganic N enrichment in the water column on submerged macrophytes.
Gao, Jingqing, Li, Linshuai, Hu, Zhiyuan, Yue, H., Zhang, Ruiqin, Xiong, Zhiting   +5 more
openaire   +3 more sources

Ceratophyllum demersum Linnaeus 1753

2007
Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), pp. 370-473 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 405, DOI: 10.5281/zenodo ...
openaire   +1 more source

Growth Substances and Dormancy in Ceratophyllum demersum

Physiologia Plantarum, 1979
Abstract Ceratophyllum demersum L. occurs in winter in the dormant form, in summer in the vegetative form. Factors that affect growth and dormancy in Ceratophyllum were studied. After several weeks of severe winter conditions the plants changed from dormant to quiescent state.
openaire   +2 more sources

Photosynthetic characteristics of the submerged macrophyte Ceratophyllum demersum

Physiologia Plantarum, 1986
The photosynthetic and growth characteristics of Ceratophyllum demersum L. were investigated under laboratory conditions which simulated those encountered in the plants' normal environment. The carbon fixation rate of C. demersum measured with 14C at light and carbon saturation at pH 8.0 was 4.48 mg C (g ash‐free dry weight)−1 h−1. It was lower at pH 6.
openaire   +1 more source

Floral development and phyllotactic variation in Ceratophyllum demersum (Ceratophyllaceae)

American Journal of Botany, 2003
The floral development of staminate and pistillate flowers of Ceratophyllum demersum was observed, with particular focus on the phyllotactic variation in staminate flowers, using scanning electronic microscopy (SEM). We discerned patterns of development of some important new morphological features, e.g., the difference and discontinuity between the ...
Akitoshi, Iwamoto, Akiko, Shimizu, Hideaki, Ohba   +2 more
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Heavy metal adsorption properties of a submerged aquatic plant ( Ceratophyllum demersum )

Bioresource Technology, 2004
Heavy metals can be adsorbed by living or non-living biomass. Submerged aquatic plants can be used for the removal of heavy metals. In this paper, lead, zinc, and copper adsorption properties of Ceratophyllum demersum (Coontail or hornwort) were investigated and results were compared with other aquatic submerged plants.
Keskinkan O., Goksu M.Z.L., Basibuyuk M., Forster C.F.   +3 more
openaire   +2 more sources