Published in Methods Enzymol on January 01, 1999
Multiple N-acyl-L-homoserine lactone autoinducers of luminescence in the marine symbiotic bacterium Vibrio fischeri. J Bacteriol (1994) 2.80
Rickettsia rickettsii induces superoxide radical and superoxide dismutase in human endothelial cells. Infect Immun (1992) 1.23
Free radical increases in cancer: evidence that there is not a real increase. Science (1977) 1.11
Thioredoxin reductase mediates cell death effects of the combination of beta interferon and retinoic acid. Mol Cell Biol (1998) 1.06
An o-quinone form of estrogen produces free radicals in human breast cancer cells: correlation with DNA damage. Chem Res Toxicol (1994) 1.02
Paramagnetic changes in cancer: DMBA-induced tumours studied in non-lyophilized and lyophilized tissues. Br J Cancer (1979) 0.96
Carbon monoxide binding to the ferrous chains of [Mn,Fe(II)] hybrid hemoglobins: pH dependence of the chain affinity constants associated with specific hemoglobin ligation pathways. Biochemistry (1984) 0.95
DNA strand scission and free radical production in menadione-treated cells. Correlation with cytotoxicity and role of NADPH quinone acceptor oxidoreductase. J Biol Chem (1992) 0.95
The effects of mono- and divalent salts on the O2-evolution activity and low temperature multiline EPR spectrum of Photosystem II preparations from spinach. Biochim Biophys Acta (1984) 0.91
Inherent optical properties of the ocean: retrieval of the absorption coefficient of chromophoric dissolved organic matter from airborne laser spectral fluorescence measurements. Appl Opt (1995) 0.90
BCL-2 is involved in preventing oxidant-induced cell death and in decreasing oxygen radical production. Redox Rep (2001) 0.89
Paramagnetic changes in cancer: growth of Walker 256 carcinoma studied in frozen and lyophilized tissues. Br J Cancer (1979) 0.88
Fluorescence detection of carbon-centered radicals in aqueous solution. Free Radic Res Commun (1990) 0.87
X-ray diffraction studies of a partially liganded hemoglobin, [alpha(FeII-CO)beta(MnII)]2. J Mol Biol (1986) 0.86
The effect of mono- and divalent salts on the rise and decay kinetics of EPR signal II in Photosystem II preparations from spinach. Biochim Biophys Acta (1985) 0.86
Reversible and irreversible effects of alkaline pH on Photosystem II electron-transfer reactions. Biochim Biophys Acta (1986) 0.85
In vitro mechanisms of chemopotentiation by tone-burst ultrasound. Ultrasound Med Biol (1996) 0.84
Biochemical activation of AZQ [3,6-diaziridinyl-2,5-bis(carboethoxyamino)-1,4-benzoquinone] to its free radical species. Cancer Treat Rep (1982) 0.84
NAD(P)H (quinone acceptor) oxidoreductase (DT-diaphorase)-mediated two-electron reduction of anthraquinone-based antitumour agents and generation of hydroxyl radicals. Biochem Pharmacol (1992) 0.84
Trace determination of hydroxyl radical in biological systems. Anal Chem (1997) 0.82
Mechanism for the reductive activation of diaziquone. J Pharm Sci (1985) 0.82
Reductive metabolism of diaziquone (AZQ) in the S9 fraction of MCF-7 cells. II. Enhancement of the alkylating activity of AZQ by NAD(P)H: quinone-acceptor oxidoreductase (DT-diaphorase). Biochem Pharmacol (1992) 0.82
Induction of p53 by the concerted actions of aziridine and quinone moieties of diaziquone. Chem Res Toxicol (1998) 0.81
Fragmentation characteristic of glutathione conjugates activated by high-energy collisions. J Am Soc Mass Spectrom (1992) 0.81
A comparison of free radical formation by quinone antitumour agents in MCF-7 cells and the role of NAD(P)H (quinone-acceptor) oxidoreductase (DT-diaphorase). Chem Biol Interact (1993) 0.81
Mechanism(s) for the metabolism of mitoxantrone: electron spin resonance and electrochemical studies. Chem Biol Interact (1990) 0.79
Modulation of streptonigrin cytotoxicity by nitroxide SOD mimics. Free Radic Biol Med (1994) 0.79
Effects of ascorbic acid on biologically obtained diaziquone free radicals. Biochem Pharmacol (1985) 0.79
Alteration of DNA base excision repair enzymes hMYH and hOGG1 in hydrogen peroxide resistant transformed human breast cells. Med Sci Monit (2001) 0.79
Cellular pharmacology of N,N',N''-triethylene thiophosphoramide. Cancer Lett (1988) 0.79
Reductive activation of diaziquone and possible involvement of free radicals and the hydroquinone dianion. Cancer Res (1986) 0.78
Plasma pharmacokinetics and tissue distribution of thiotepa in mice. Cancer Treat Rep (1984) 0.78
Human plasma pharmacokinetics and urinary excretion of thiotepa and its metabolites. Cancer Treat Rep (1986) 0.77
Photoproduction of hydrated electron from constituents of natural waters. Environ Sci Technol (2001) 0.77
Cellular activation of diaziquone [2,5-diaziridinyl-3,6-bis (carboethoxyamino)-1,4-benzoquinone] to its free radical species. Biochem Pharmacol (1985) 0.77
Trace detection of hydroxyl radicals during the redox cycling of low concentrations of diaziquone: a new approach. Free Radic Biol Med (2000) 0.77
Differences in myristic acid synthesis and in metabolic rate for P388 cells resistant to doxorubicin. J Lipid Res (1990) 0.77
Combined liquid chromatography/mass spectrometry of the radical adducts of a fluorescamine-derivatized nitroxide. Anal Chem (1996) 0.76
Electron paramagnetic resonance measurements of photochemical radical production in humic substances. 1. Effects of oxygen and charge on radical scavenging by nitroxides. Environ Sci Technol (1988) 0.76
The reductive metabolism of diaziquone (AZQ) in the S9 fraction of MCF-7 cells: free radical formation and NAD(P)H: quinone-acceptor oxidoreductase (DT-diaphorase) activity. Free Radic Biol Med (1991) 0.76
Flash photolytic studies of carbon monoxide binding to the ferrous chains of [Mn(II),Fe(II)] hybrid hemoglobins: kinetic mechanism for the early stages of hemoglobin ligation. Biochemistry (1984) 0.76
Effects of pH and temperature on the stability and decomposition of N,N'N"-triethylenethiophosphoramide in urine and buffer. Cancer Res (1984) 0.76
The influence of diaziquone free radicals on the in vitro activity of diaziquone. Xenobiotica (1988) 0.76
Kinetic investigation of unfolding and partial refolding of a crab satellite (dA-dT)n. Biochemistry (1975) 0.76
In vitro action of continuous-wave ultrasound combined with adriamycin, X rays or hyperthermia. Radiat Res (1996) 0.75
Cellular pharmacology in murine and human leukemic cell lines of diaziquone (NSC 182986). Cancer Res (1985) 0.75
Photosensitization of MCF-7 cells with diaziquone using visible light: correlation with DNA strand breaks and free radical production. Photochem Photobiol (1992) 0.75
Diaziquone as a potential agent for photoirradiation therapy: formation of the semiquinone and hydroxyl radicals by visible light. Biochem Biophys Res Commun (1985) 0.75
Free radicals in quinone containing antitumor agents. The nature of the diaziquone (3,6,-diaziridinyl-2,5-bis(carboethoxyamino)-1,4-benzoquinone) free radical. Biochim Biophys Acta (1983) 0.75
Free radicals in quinone-containing antitumor agents. Electrochemical reduction of diaziquone (2,5-diaziridine-3,6-bis(carboethoxyamino)-1,4 -benzoquinone) and two analogues. Mol Pharmacol (1984) 0.75
Vesicular stomatitis virus induced membrane changes: a spin label study. Life Sci (1984) 0.75
Free radical formation and DNA strand breakage during metabolism of diaziquone by NAD(P)H quinone-acceptor oxidoreductase (DT-diaphorase) and NADPH cytochrome c reductase. Free Radic Biol Med (1991) 0.75
Role of cell membrane composition in receptor-mediated internalization of vesicular stomatitis virus in human HEp-2 cells. J Biol Chem (1985) 0.75
On the search for new anticancer drugs 14: the plasma pharmacokinetics and tissue distribution of spin-labeled thio-TEPA (SL-O-TT). Cancer Chemother Pharmacol (1985) 0.75
Mass spectrometric identification of the radical adducts of a fluorescamine-derivatized nitroxide. Free Radic Res Commun (1992) 0.75
Gas-liquid chromatographic analysis of N,N',N''-triethylene thiophosphoramide and N,N',N''-triethylene phosphoramide in biological samples. J Chromatogr (1985) 0.75
Hydroxyl radical production by mouse epidermal cell lines in the presence of quinone anti-cancer compounds. Chem Res Toxicol (1999) 0.75
Fluorescence detection of free radicals by nitroxide scavenging. Free Radic Res Commun (1990) 0.75
[What is a terminally ill patient?]. Rev Assoc Med Bras (2001) 0.75
Electrochemical and electron spin resonance studies of actinomycin D and other phenoxazones. Biophys Chem (1985) 0.75
Electron spin resonance of electrochemically generated free radicals from diaziquone and its derivatives. Biophys Chem (1985) 0.75