Search Results - "Steinberg, Christian E. W."

Reaction of Substituted Phenols with Lignin Char: Dual Oxidative and Reductive Pathways Depending on Substituents and Conditions by Li, Jing, Li, Qingqing, Steinberg, Christian E. W, Zhao, Qing, Pan, Bo, Pignatello, Joseph J, Xing, Baoshan

“…Biomass chars are known to be intrinsically redox-reactive toward some organic compounds, but the mechanisms are still unclear. To address this, a char made…”
Get full text

Phenol-rich fulvic acid as a water additive enhances growth, reduces stress, and stimulates the immune system of fish in aquaculture by Lieke, Thora, Steinberg, Christian E. W., Pan, Bo, Perminova, Irina V., Meinelt, Thomas, Knopf, Klaus, Kloas, Werner

“…Aquaculture has become imperative to cover the demands for dietary animal protein. Simultaneously, it has to overcome prejudices from excessive use of…”
Get full text

Hormetins, antioxidants and prooxidants: defining quercetin-, caffeic acid- and rosmarinic acid-mediated life extension in C. elegans by Pietsch, Kerstin, Saul, Nadine, Chakrabarti, Shumon, Stürzenbaum, Stephen R., Menzel, Ralph, Steinberg, Christian E. W.

“…Quercetin, Caffeic- and Rosmarinic acid exposure extend lifespan in Caenorhabditis elegans . This comparative study uncovers basic common and contrasting…”
Get full text

Modification of the chemically induced inflammation assay reveals the Janus face of a phenol rich fulvic acid by Lieke, Thora, Steinberg, Christian E. W., Meinelt, Thomas, Knopf, Klaus, Kloas, Werner

“…Inflammation is an essential process as a reaction towards infections or wounding. Exposure to hazardous environmental pollutants can lead to chronic…”
Get full text

Quercetin mediated lifespan extension in Caenorhabditis elegans is modulated by age-1, daf-2, sek-1 and unc-43 by Pietsch, Kerstin, Saul, Nadine, Menzel, Ralph, Stürzenbaum, Stephen R., Steinberg, Christian E. W.

“…The nematode Caenorhabditis elegans responds to flavonoid-rich diets with improved health and longevity. The precise mechanism(s) responsible for this remains…”
Get full text

Nature and Abundance of Organic Radicals in Natural Organic Matter:  Effect of pH and Irradiation by Paul, Andrea, Stösser, Reinhard, Zehl, Andrea, Zwirnmann, Elke, Vogt, Rolf D, Steinberg, Christian E. W

“…Dissolved natural organic matter (NOM) plays an essential role in freshwater geochemical and biochemical processes. A major property, its redox behavior, can…”
Get full text

Impact of two different humic substances on selected coccal green algae and cyanobacteria—changes in growth and photosynthetic performance by Bährs, Hanno, Steinberg, Christian E. W.

“…Background, aim and scope There is growing evidence to show that dissolved humic substances, HSs, can directly interact with freshwater organisms, such as…”
Get full text

Catechin induced longevity in C. elegans: From key regulator genes to disposable soma by Saul, Nadine, Pietsch, Kerstin, Menzel, Ralph, Stürzenbaum, Stephen R., Steinberg, Christian E.W.

“…The flavanol catechin is a ubiquitous metabolite within the plant kingdom. Several health benefits have previously been reported, however, to date, most…”
Get full text

Sustainable aquaculture requires environmental‐friendly treatment strategies for fish diseases by Lieke, Thora, Meinelt, Thomas, Hoseinifar, Seyed Hossein, Pan, Bo, Straus, David L., Steinberg, Christian E. W.

“…Many classical therapeutants are going to be banned in Europe, and an urgent need for alternatives is emerging. This issue can be exemplified by one major…”
Get full text

Toxicity of hydroquinone to different freshwater phototrophs is influenced by time of exposure and pH by Bährs, Hanno, Putschew, Anke, Steinberg, Christian E. W.

“…The interaction of natural organic matter with phytoplankton communities in freshwater ecosystems is an intensively studied subject matter. Previous studies…”
Get full text

Genes and environment — Striking the fine balance between sophisticated biomonitoring and true functional environmental genomics by Steinberg, Christian E.W., Stürzenbaum, Stephen R., Menzel, Ralph

“…This article provides an overview how the application of the gene profiling (mainly via microarray technology) can be used in different organisms to address…”
Get full text

Overlooked Risks of Biochars: Persistent Free Radicals trigger Neurotoxicity in Caenorhabditis elegans by Lieke, Thora, Zhang, Xuchao, Steinberg, Christian E.W, Pan, Bo

“…In recent years, biochars have gained increasing interest in mitigating climate changes and revitalizing contaminated or drained soil. Studies determining…”
Get full text

Contrasting cellular stress responses of Baikalian and Palearctic amphipods upon exposure to humic substances: environmental implications by Protopopova, Marina V, Pavlichenko, Vasiliy V, Menzel, Ralph, Putschew, Anke, Luckenbach, Till, Steinberg, Christian E. W

“…The species-rich, endemic amphipod fauna of Lake Baikal does not overlap with the common Palearctic fauna; however, the underlying mechanisms for this are…”
Get full text

Stress by poor food quality and exposure to humic substances: Daphnia magna responds with oxidative stress, lifespan extension, but reduced offspring numbers by Steinberg, Christian E. W, Ouerghemmi, Nadia, Herrmann, Steffen, Bouchnak, Rihab, Timofeyev, Maxim A, Menzel, Ralph

“…In freshwater systems, many abiotic and biotic factors determine the natural fluctuation of Daphnia spec. populations: climatic and water quality parameters,…”
Get full text

Removal of bisphenol A by the freshwater green alga Monoraphidium braunii and the role of natural organic matter by Gattullo, C. Eliana, Bährs, Hanno, Steinberg, Christian E.W., Loffredo, Elisabetta

“…Phytoremediation of waters by aquatic organisms such as algae has been recently explored for the removal of organic pollutants possessing endocrine disrupting…”
Get full text

Antiandrogenic activity of humic substances by Bittner, Michal, Saul, Nadine, Steinberg, Christian E.W.

“…For long, natural organic matter (NOM) composed mainly of humic substances (HS) were regarded as inert in the ecosystems with respect to their possible…”
Get full text

Dissolved humic substances initiate DNA-methylation in cladocerans by Menzel, Stefanie, Bouchnak, Rihab, Menzel, Ralph, Steinberg, Christian E.W.

“…DNA-methylation is one pathway of epigenetic programming of gene expression and can be responsive to environmental challenges such as methylating agents in the…”
Get full text

Two organobromines trigger lifespan, growth, reproductive and transcriptional changes in Caenorhabditis elegans by Saul, Nadine, Baberschke, Nora, Chakrabarti, Shumon, Stürzenbaum, Stephen R, Lieke, Thora, Menzel, Ralph, Jonáš, Adam, Steinberg, Christian E. W

“…Organobromines of natural and artificial origin are omnipresent in aquatic and terrestrial environments. Although it is well established that exposure to high…”
Get full text

Natural dissolved humic substances increase the lifespan and promote transgenerational resistance to salt stress in the cladoceran Moina macrocopa by Suhett, Albert L., Steinberg, Christian E. W., Santangelo, Jayme M., Bozelli, Reinaldo L., Farjalla, Vinicius F.

“…Purpose Evidence has accumulated that humic substances (HS) are not inert biogeochemicals. Rather, they cause stress symptoms and may modulate the life history…”
Get full text

Natural xenobiotics to prevent cyanobacterial and algal growth in freshwater: Contrasting efficacy of tannic acid, gallic acid, and gramine by Laue, Pauline, Bährs, Hanno, Chakrabarti, Shumon, Steinberg, Christian E.W.

“…pH-development in a Desmodesmus armatus culture (A) and (B) growth inhibition of D. armatus over time by the polyphenols tannic acid, gallic acid and…”
Get full text