Search Results - "Okoniewski, Richard"

Use of Methanol for the Efficient Extraction and Analysis of Melamine and Cyanuric Acid Residues in Dairy Products and Pet Foods by Tran, Buu N, Okoniewski, Richard, Storm, Robin, Jansing, Robert, Aldous, Kenneth M

“…The recent worldwide shortage of acetonitrile has prompted the development of a new method using methanol as an alternative organic solvent in the extraction…”
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Polychlorinated Biphenyls and Polybrominated Diphenyl Ethers Alter Striatal Dopamine Neurochemistry in Synaptosomes from Developing Rats in an Additive Manner by Dreiem, Anne, Okoniewski, Richard J., Brosch, Karl O., Miller, Veronica M., Seegal, Richard F.

“…Polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) are widespread environmental contaminants associated with changes in behavior and…”
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Methylmercury inhibits dopaminergic function in rat pup synaptosomes in an age-dependent manner by Dreiem, Anne, Shan, Mangting, Okoniewski, Richard J, Sanchez-Morrissey, Susana, Seegal, Richard F

“…Abstract Methylmercury (MeHg) is an environmental neurotoxicant that is especially harmful during brain development. Previously, we found greater sensitivity…”
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Coplanar PCB Congeners Increase Uterine Weight and Frontal Cortical Dopamine in the Developing Rat: Implications for Developmental Neurotoxicity by Seegal, Richard F., Brosch, Karl O., Okoniewski, Richard J.

“…We show that developmental exposure of the laboratory rat to the coplanar polychlorinated biphenyl (PCB) congener 3,4,3′,4′-tetrachlorobiphenyl (TCB) and the…”
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Polychlorinated Biphenyls Alter Extraneuronal but Not Tissue Dopamine Concentrations in Adult Rat Striatum: An in Vivo Microdialysis Study by Seegal, Richard F., Okoniewski, Richard J., Brosch, Karl O., Bemis, Jeffrey C.

“…Polychlorinated biphenyls (PCBs) reduce tissue dopamine (DA) concentrations and increase media DA concentrations in both in vitro preparations of bovine…”
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Rapid method for the detection of rodenticides in contaminated foods by Okoniewski, Richard, Neely, Sarah, Denn, Melinda, Djatsa, Annie, Tran, Buu N.

“…•Rodenticides pose significant poisoning risks to humans and animals.•Solid-liquid extraction, dispersive-solid phase cleanup was applied to food…”
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Androgenic steroids in Over-the-Counter dietary Supplements: Analysis for association with adverse health effects by Tran, Buu N., Okoniewski, Richard, Spink, Barbara C., LeMaster, David M., Aldous, Kenneth M., Spink, David C.

“…•Residents of a New York Community became ill with maladies of unknown cause.•All of the patients were found to have used nutritional supplements from the same…”
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Population pharmacokinetics of cefuroxime and uptake into hip and spine bone of patients undergoing orthopaedic surgery by Gergs, Ulrich, Becker, Lina, Okoniewski, Richard, Weiss, Michael, Delank, Karl‐Stefan, Neumann, Joachim

“…Objectives To reduce the incidence of peri‐ or postoperative infections in orthopaedic surgery, patients are prophylactically treated with antibiotics. Here,…”
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Application of dispersive solid phase extraction for trace analysis of toxic chemicals in foods by Neely, Sarah, Martin, Jordan, da Cruz, Natalia Ferreira, Piester, Gavin, Robinson, Morgan, Okoniewski, Richard, Tran, Buu N.

“…The objectives of this study were to develop and validate a method for the identification of toxic organic chemicals, including groups of controlled…”
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Determination of trace amounts of ethylene glycol and its analogs in water matrixes by liquid chromatography/tandem mass spectrometry by Tran, Buu N, Okoniewski, Richard, Bucciferro, Anthony, Jansing, Robert, Aldous, Kenneth M

“…Contamination of drinking water by ethylene glycol (EG) is a public health concern. EG causes adverse health effects in humans and animals, including…”
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Effects ofin Uteroand Lactational Exposure of the Laboratory Rat to 2,4,2′,4′- and 3,4,3′,4′-Tetrachlorobiphenyl on Dopamine Function by Seegal, Richard F., Brosch, Karl O., Okoniewski, Richard J.

“…Offspring of Sprague–Dawley derived dams were exposed to either 2,4,2′,4′-tetrachlorobiphenyl (TCB) (1, 10, or 20 mg/(kg·day)) or 3,4,3′,4′-TCB (0.1 or 1…”
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Effects of in utero and lactational exposure of the laboratory rat to 2,4,2',4'- and 3,4,3',4'-tetrachlorobiphenyl on dopamine function by SEEGAL, R. F, BROSCH, K. O, OKONIEWSKI, R. J

“…Offspring of Sprague-Dawley derived dams were exposed to either 2,4, 2',4'-tetrachlorobiphenyl (TCB) (1, 10, or 20 mg/(kg.day)) or 3,4,3', 4'-TCB (0.1 or 1…”
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Optorheological thickening under the pulsed laser photocrosslinking of a polymer by Okoniewski, Stephen Richard, Wisniewski, Danielle, Frazer, N. Laszlo, Mu, Weiqiang, Arceo, Andrew, Rathi, Pranjali, Ketterson, J. B.

“…ABSTRACT Electro‐, magneto‐, and other rheological effects can be used to externally control fluid viscosity. However, they are largely reversible and in…”
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The degree of PCB chlorination determines whether the rise in urinary homovanillic acid production in rats is peripheral or central in origin by Seegal, R F, Brosch, K O, Okoniewski, R

“…Commercial mixtures of polychlorinated biphenyls (PCBs, Aroclor 1016, 1254, and 1260) differing in their degree of chlorination and their accumulation in the…”
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