نتایج جستجو برای: 254 and doc removal

تعداد نتایج: 16850949  

Journal: :Oncology reports 2010
Donghui Zheng Dake Li Xiaowei Lu Zhenqing Feng

As successful chemotherapy with the taxanes needs to reduce the toxic side effects against normal tissues and avoid the detrimental effects caused by intolerable solvents, drug delivery system using soluble polymeric micelles tends to be the focus. Docetaxel (Doc) has demonstrated extraordinary activities against a variety of solid tumors. However, the clinical efficacy is contrasted by its tox...

Journal: :Journal of environmental quality 2007
Isabelle Royer Denis A Angers Martin H Chantigny Régis R Simard Daniel Cluis

Dissolved organic carbon (DOC) export from soils can play a significant role in soil C cycling and in nutrient and pollutant transport. However, information about DOC losses from agricultural soils as influenced by management practices is scarce. We compared the effects of mineral fertilizer (MF) and liquid hog manure (LHM) applications on the concentration and molecular size of DOC released in...

2016
M. Guizani M. A. Lopez Zavala N. Funamizu

Following biological treatment, wastewater continues to have endotoxic active materials. However, because there is a trend of potable reuse and because endotoxic active materials potentially have harmful effects on human health, their removal from water is crucial. Lipopolysaccharide endotoxin has hydrophobic groups, and their removal using a coagulation-flocculation alternative is believed to ...

Journal: :Environmental Engineering Research 2022

Advanced oxidation processes (AOPs) have been reported as alternative ways for treating reverse osmosis (RO) concentrate which is the primary concern water reclamation plants. AOPs are known to oxidize recalcitrant organic compounds by a highly reactive and nonselective oxidant, hydroxyl radical (<sup>?</sup>OH). Researchers showed that such conventional Fenton, UV/H<sub>2<...

Journal: :Environmental science & technology 2013
Yaal Lester Charles M Sharpless Hadas Mamane Karl G Linden

Dissolved organic matter (DOM) irradiated by sunlight generates photo-oxidants that can accelerate organic contaminant degradation in surface waters. However, the significance of this process to contaminant removal during engineered UV water treatment has not been demonstrated, partly due to a lack of suitable methods in the deep UV range. This work expands methods previously established to det...

2017
G. Galjaard E. Koreman D. Metcalfe G. Moore Per Ericsson

Some waters can have elevated concentrations of dissolved organic carbon (DOC), especially sources like surface waters that are under the influence of secondary effluent, recreation, heavy population, farming and industry. In a number of locations in North-West Europe, for example the United Kingdom and Scandinavia, DOC levels are increasing over time most likely due to climate change effects a...

1999
DAVID J. BURDIGE WILLIAM M. BERELSON KENNETH H. COALE JAMES MCMANUS KENNETH S. JOHNSON

Fluxes of dissolved organic carbon (DOC) from marine sediments represent a poorly constrained component of the oceanic carbon cycle that may affect the concentration and composition of DOC in the ocean. Here we report the first in situ measurements of DOC fluxes from continental margin sediments (water depths ranging from 95 to 3,700 m), and compare these fluxes with measured benthic fluxes fro...

2017
Nicola Craig Stuart E Jones Brian C Weidel Christopher T Solomon

Resource availability constrains the life history strategies available to organisms and may thereby limit population growth rates and productivity. We used this conceptual framework to explore the mechanisms driving recently reported negative relationships between fish productivity and dissolved organic carbon (DOC) concentrations in lakes. We studied populations of bluegill (Lepomis macrochiru...

Journal: :Journal of environmental quality 2016
Nitin K Singh Wilmer M Reyes Emily S Bernhardt Ruchi Bhattacharya Judy L Meyer Jennifer D Knoepp Ryan E Emanuel

In the past decade, significant increases in surface water dissolved organic carbon (DOC) have been reported for large aquatic ecosystems of the Northern Hemisphere and have been attributed variously to global warming, altered hydrologic conditions, and atmospheric deposition, among other factors. We analyzed a 25-yr DOC record (1988-2012) available for a forested headwater stream in the United...

Journal: :Hypertension 1983
G T Griffing S L Dale M M Holbrook J C Melby

A number of mineralocorticoids have been proposed as etiologic factors in low-renin hypertension. In this study, urinary free 19-nor-deoxycorticosterone (UF 19-nor-DOC) was compared to other mineralocorticoids--aldosterone, deoxycorticosterone (DOC), and 18-OH-DOC, in 11 low-renin hypertensive patients on a controlled diet in a metabolic unit. Results demonstrated that both UF 19-nor-DOC and te...

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