How To Use Furan In A Sentence
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To start with, the Stockholm Convention identified twelve top-priority POPs: eight pesticides (aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, mirex, and toxaphene); two industrial chemicals (the hexachlorobenzenes (HCBs) and the polychlorinated biphenyls PCBs); and two groups of industrial by-products (dioxins and furans).
THE STORY OF STUFF
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Specifically, four herbicides (2,4,5-T; 2,4,5-TP; atrazine; or butylate) and three insecticides (diazinon, phorate, or carbofuran) were associated with reporting gestational diabetes.
WordPress.com News
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Sediment dioxin and furan levels from some of these open coast sites have been highly variable since 1993.
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(Furankenshutain Tai Baragon), Toho/Henry G. Saperstein Enterprises/American International Pictures,
Movies Based on Frankenstein
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Other non-persistent insecticides such as chlorpyrifos and carbofuran are not recommended due to severe phytotoxic effects.
8: Plant protection and pest control
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Thos added as solid inevitably leach-out and are PoP and endrocine disruptors, and some generate dioxins or furans at low temperature combustion (P and Sb based retardents do not).
Affresol Makes Homes Out of Recycled Plastic | Inhabitat
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Its chemical composition makes it incapable of producing dioxins or furans when burned.
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But, for sugars such as galactose, which is commonly found in dairy produce, around 10 per cent is found in a different ring form called a 'furanose'.
Innovations-report
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The UCLA group studied the phenomenon for electron-transfer reactions of sodium atoms in a bath of tetrahydrofuran molecules.
Chemical & Engineering News: Latest News
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Objective:To develop a method for determining the metabolites of nitrofuran antibiotics in aquatic products by HPLC-MS/MS using isotope internal standard dilution technique.
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Specifically, four herbicides (2,4,5-T; 2,4,5-TP; atrazine; or butylate) and three insecticides (diazinon, phorate, or carbofuran) were associated with reporting gestational diabetes.
WordPress.com News
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According to Marcocchio, and the World Health Organization, dioxins are linked to cancer, birth defects and auto-immune problems, while furans are chemically similar but slightly less toxic.
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While environmental controversy surrounding use of this fuel is wide and varied, the greatest supported evidence of toxicity comes from the presents of dioxins and furans in the flue gases.
Sustainable Design Update » Blog Archive » Tired of Misleading Language
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The distinctive sweet, rich aroma of coconut is created by derivatives of saturated fatty acids called lactones (octa-, deca-, dodeca-, tetradecalactones)—peaches are also flavored by lactones—while roasting generates more generic nutty notes (from pyrazines, pyrroles, furans).
On Food and Cooking, The Science and Lore of the Kitchen
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Several hundred aroma molecules have been identified in soy sauce, with roasty compounds furanones and pyrazines, sweet maltol, and a number of meaty sulfur compounds among the more prominent.
On Food and Cooking, The Science and Lore of the Kitchen
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Although furfuraldehyde is the natural decomposition product of pentosans, furfuryl alcohol is the main furane body of coffee aroma.
All About Coffee
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The distinctive sweet, rich aroma of coconut is created by derivatives of saturated fatty acids called lactones (octa-, deca-, dodeca-, tetradecalactones)—peaches are also flavored by lactones—while roasting generates more generic nutty notes (from pyrazines, pyrroles, furans).
On Food and Cooking, The Science and Lore of the Kitchen
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Furazolidone in chickens is the important index of the furan drug content in the feed additive.
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The aim of this study is to explore the fascinating suggestion that structural differences can be induced in hypericin by changing the solvent from a commonly used solvent such as dimethyl sulfoxide to tetrahydrofuran.
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The method is convenient, rapid, reliable and suitable for the determination of nitrofurantoin and furazolidone in cosmetics.
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Four different solvent media were considered: octane, tetrahydrofuran, acetonitrile, and water.
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The chemicals are understood to include tetrahydrofuran, an organic solvent that can become unstable when exposed to air.
Times, Sunday Times
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The cyclic ether tetrahydrofuran, which has a chemical formula of C 2 H 4 OC 2 H 4, has a boiling point of 149°F.
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To start with, the Stockholm Convention identified twelve top-priority POPs: eight pesticides (aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, mirex, and toxaphene); two industrial chemicals (the hexachlorobenzenes (HCBs) and the polychlorinated biphenyls PCBs); and two groups of industrial by-products (dioxins and furans).
THE STORY OF STUFF
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But others, including sulfonamides and nitrofurantoins which are used to treat urinary tract infections, may be associated with birth defects.
The Sun
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Several studies have demonstrated that only the 5-nitrofurans are mutagenic and that derivatives with the nitro group outside the furan ring do not show mutagenic activity.
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Experiments by Dr Jennifer Potts in the University's Centre for Magnetic Resonance confirmed that the transporter was the first biological example to recognise furanose over pyranose forms.
Innovations-report
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An adsorption powder for removing mercury and other metals, dioxins, furans and other organic compounds from metal- and organic compound-comtaminated soil and method therefor.
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In man, doses of from 0.6 to 1 gram of furane-alcohol increased respiratory activity without producing other symptoms.
All About Coffee
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Many plants make use of furocoumarins, in which a coumarin is bonded to a furan ring, as protective substances.
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[11] S dibenzofuran + NADH + O2 (naphthalene dioxygenase activity in cells induced by salicylate [15]) (Reversibility:?
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The answer to the problem was discovered when researchers led by Professor Keith Wilson in the York Structural Biology Laboratory solved the 3D structure of the protein, revealing that it was bound to the rarer furanose form of galactose.
Innovations-report
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At the same time, a number of desirable volatiles are augmented by the heat and mixing, notably those with roasted, caramel, and malty aromas pyrazines, furaneol, maltol.
On Food and Cooking, The Science and Lore of the Kitchen
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Cycloadditon of one of the double bonds on either the furan or the pyrone ring of a psoralen molecule forms a monoadduct.
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Carbamate pesticides (e.g. carbaryl, aminocarb, and carbofuran) generally have a high acute toxicity to arthropods but only a moderate environmental persistence.
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A stock solution was prepared in distilled tetrahydrofuran and kept at -18 deg C.
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Due to its extreme mutagenic potency, this compound constitutes an interesting model to study the mutagenic action of nitrofurans.
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The disease can still be managed using short courses of traditional antimicrobials such as nitrofurantoin, mecillinam, or trimethoprim, according to levels of resistance in the local area.
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All pregnant women should be screened for bacteriuria and subsequently treated with antibiotics such as nitrofurantoin, sulfisoxazole or cephalexin.
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The aroma of cooked beans also has a distinct sweet note, which comes from lactones, furans, and maltol.
On Food and Cooking, The Science and Lore of the Kitchen
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Furfural reacts with phenols, ketones, and esters as an aldehyde; removal of the aldehyde group yields furan, which is converted to tetrahydrofuran, used in the manufacture of nylon.
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To start with, the Stockholm Convention identified twelve top-priority POPs: eight pesticides (aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, mirex, and toxaphene); two industrial chemicals (the hexachlorobenzenes (HCBs) and the polychlorinated biphenyls PCBs); and two groups of industrial by-products (dioxins and furans).
THE STORY OF STUFF
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Control of pests is normally by chemicals, eg carbofuran or aldicarb in the furrows before planting for soil pests, and foliar sprays of methomyl or carbaryl for insects attacking foliage; pirimicarb is used against aphids.
Chapter 25
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Deum muscae et vermes irrident, quum ipsum polluunt et devorant, subditus est igni, aquae, et latrones furantur, pixidem auream humi prosternunt, et se tamen non defendit hic Deus.
Anatomy of Melancholy
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Canada said it started inspecting all shipments of Chinese shrimp for the antibiotic nitrofuran in September 2006, and the first three shipments from Guolian passed inspection.
U.S., Canada Split Over Chinese Shrimp
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(AFPs) possess the ability to modify structure II (sII) tetrahydrofuran (THF) hydrate crystal morphologies by adhering to the hydrate surface and inhibiting growth in a similar fashion to the kinetic inhibitor poly-N-vinylpyrrolidone (PVP).
Elites TV
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Experiments by Dr. Jennifer Potts in the University's Centre for Magnetic Resonance confirmed that the transporter was the first biological example to recognise furanose over pyranose forms.
PhysOrg.com - latest science and technology news stories
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Pesticides, such as DDT, atrazine, chlordane and lindane, and industrial by-products like dioxin, furans and PCBs, have been identified as endocrine disruptors.
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The solvent used in all the experiments was a mixture of tetrahydrofuran and water.
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Prior to the group's meetings to draft the dioxin and furan standards, participants believed that the main point of contention would be over the numerical limits.
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They include many human antibiotics, penicillins and some names I recognise from the bad days of the European fish-farming industry -- nitrofuran, chloramphenicol and organophosphate pesticides.
Chinalyst - China blogs in English
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In pregnant women and in community acquired infections, simple antimicrobial drugs like nitrofurantoin might still be useful.
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Although furfuraldehyde is the natural decomposition product of pentosans, furfuryl alcohol is the main furane body of coffee aroma.
All About Coffee
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Prominent examples are quinolizidine alkaloids, gossypol, glucosinolates, nonproteinogenic amino acids and furanocoumarins.
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Furan, a colourless, volatile liquid used in some chemical manufacturing industries, causes cancer in animals in studies where animals are exposed to furan at high doses.
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Samples tested for dioxins and furans showed concentrations at or below those expected under normal circumstances.
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But, for sugars such as galactose, which is commonly found in dairy produce, around 10 per cent is found in a different ring form called a 'furanose'.
PhysOrg.com - latest science and technology news stories
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While a furan unit is part of the polychlorinated dibenzofuran structure, these are very different compounds with different effects.
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The aroma of coffee is, he found, composed of extremely complex substances, among which are derivatives of furan and pyrrole, and substances containing sulphur.
Tadeus Reichstein - Biography
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Spraying of the plants or soil treatment with such pesticides as carbaryl, carbofuran, chlorfenvinphos, diazinon, etc has been recommended but resistance to chemicals appears to be developing and the breeding of resistant cultivars is being attempted.
Chapter 30
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By then, the tetrahydrofuran has replaced almost all the water in the gel, Mynar says.
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For example, withdrawing nitrofurans from livestock use took 20 years, DES diethylstilbestrol took seven years and enrofloxacin took five years and cost $3.3 million, says the agency.
Martha Rosenberg: Are You Eating Antibiotics Without Knowing It? Probably!
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If the patient has a urinary tract infection, nitrofurantoin may be useful.
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Et in conseruando sum diligentes et acres, vt nemo audeat de facili propinquare, nisi quod interdum ab illis pausantibus; seu ab æstu se occultantibus, aliqui non sine periculo in dromedarijs et veredarijs rapiunt, vel furantur.
The Voyages and Travels of Sir John Mandeville
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In other words, dioxin and furan production decreases with the increase of chlorine availability.
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This study, however, stays firmly focussed on the standard for dioxin and furan emissions.
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All Reagent grade tetrahydrofuran (THF) and diethyl ether (Et2O) were distilled under nitrogen over sodium benzophenone ketyl.
Next Big Future
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Although these derivatives are not properly nitrofurans, the 2-furylethylene compounds with the nitro group located outside the furan ring are isomers of position of the classical 5-nitrofuran derivatives.
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This argument was presented in a modified form to the effect that the system of monitoring for dioxins and furans (other objectionable organic pollutants) was unreasonable and contrary to Articles 2 and 8 of the Convention.
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Nitrofurantoin monohydrate is another reasonable prophylactic antibiotic that may be used in children who are older than eight weeks of age.
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In pregnant women and in community acquired infections, simple antimicrobial drugs like nitrofurantoin might still be useful.
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About noon appeared Chico Furano, son of the late Chico de Ouro, in his quality of “English linguister;” a low position to which want of “savvy” has reduced him.
Two Trips to Gorilla Land and the Cataracts of the Congo
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Carbosulfan belongs to the benzofuranyl methylcarbamate group of insecticides / acaricides.
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Gibson, D.T.: Regio - and stereospecific oxidation of fluorene, dibenzofuran, and dibenzothiophene by naphthalene dioxygenase from Pseudomonas sp. strain NCIB 9816-4.
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Unlike other gels held together by relatively weak noncovalent forces, the new gel kept its shape even after sitting in the solvent tetrahydrofuran for six hours.
Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews
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The compounds are furans, thiophenes and pyrroles substituted by two aryl groups and an aliphatic acid group containing from two to six carbon atoms or a derivative thereof.
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Et in conseruando sum diligentes et acres, vt nemo audeat de facili propinquare, nisi quod interdum ab illis pausantibus; seu ab 鎠tu se occultantibus, aliqui non sine periculo in dromedarijs et veredarijs rapiunt, vel furantur.
The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation
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It is not clear, however, how well these results may be extrapolated to pediatric patients, because of the marked differences in pharmacokinetics of nitrofurantoin in adults and children.
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The chicken was impounded by food safety officials after tests showed it contained nitrofurans and chloramphenicol.
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A few aromatic examples clockwise from top left: alcohol, sherry-like acetaldehyde, vinegary acetic acid, buttery diacetyl, fruity ethyl acetate, nutty furan, solvent-like benzene, and toasty maltol.
On Food and Cooking, The Science and Lore of the Kitchen
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Other non-persistent insecticides such as chlorpyrifos and carbofuran are not recommended due to severe phytotoxic effects.
8: Plant protection and pest control
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Use of nitrofuran in food animals was largely banned world-wide by 2002.
U.S., Canada Split Over Chinese Shrimp
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Erdmann [254] found that in doses of between 0.5 and 0.6 gram per kilo of body weight, furane-alcohol kills a rabbit by respiratory paralysis; and that the symptoms of poisoning are
All About Coffee
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Gibson, D.T.: Regio - and stereospecific oxidation of fluorene, dibenzofuran, and dibenzothiophene by naphthalene dioxygenase from Pseudomonas sp. strain NCIB 9816-4.
Recently Uploaded Slideshows
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Et in conseruando sum diligentes et acres, vt nemo audeat de facili propinquare, nisi quod interdum ab illis pausantibus; seu ab æstu se occultantibus, aliqui non sine periculo in dromedarijs et veredarijs rapiunt, vel furantur.
The Voyages and Travels of Sir John Mandeville
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For Bchl and Chl dissolved in diethyl ether, toluene, acetone, ethanol and acetonitrile, the Mg atom was found to be pentacoordinated, whereas it was hexacoordinated in dioxane, tetrahydrofuran, pyridine and methanol.
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Some facilities added as little as 4% TDF and experienced as much as a 4,140% increase in dioxin and furan emissions.
Sustainable Design Update » Blog Archive » Tired of Misleading Language
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Dioxins, and furans, are chemical compounds generated as by-products of most forms of combustion, particularly of plastics and rubber.
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The distinctive sweet, rich aroma of coconut is created by derivatives of saturated fatty acids called lactones (octa-, deca-, dodeca-, tetradecalactones)—peaches are also flavored by lactones—while roasting generates more generic nutty notes (from pyrazines, pyrroles, furans).
On Food and Cooking, The Science and Lore of the Kitchen
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Furfural - also called furfuraldehyde, fural, 2-furaldehyde, pyromucic aldehyde, or 2-furancarboxaldehyde - is a viscous, colorless liquid with a freezing point of - 37.6°F and a boiling point of 323°F.
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A gas hydrate sample synthesized in a Georgia Tech research lab from tetrahydrofuran can sustain a flame as gas is released from the structure during heating.
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Aldoses generally exist in solution as pyranoses, whereas ketoses generally exist as furanoses, hence the ability of ketoses to rapidly dehydrate to yield furfurals.
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Furfural reacts with phenols, ketones, and esters as an aldehyde; removal of the aldehyde group yields furan, which is converted to tetrahydrofuran, used in the manufacture of nylon.
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To start with, the Stockholm Convention identified twelve top-priority POPs: eight pesticides (aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, mirex, and toxaphene); two industrial chemicals (the hexachlorobenzenes (HCBs) and the polychlorinated biphenyls PCBs); and two groups of industrial by-products (dioxins and furans).
THE STORY OF STUFF
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Specifically, through targeted sampling from October 2006 through May 2007, the FDA repeatedly found that farm-raised seafood from China contained antimicrobial agents not approved for use here: nitrofuran, malachite green, gentian violet and fluoroquinolone.
FDA warning on Chinese fish highlights problems with inspections
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In four of the symptomatic patients (2 each with nosocomial and community acquired UTI), the organisms cleared with simple drugs like nitrofurantoin, amoxycillin and ciprofloxacin.
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Four different solvent media were considered: octane, tetrahydrofuran, acetonitrile, and water.
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Nitrofurantoin, dapsone, metronidazole, isoniazid, disulfiram, amiodarone, vincristine, cisplatin, Taxol, phenytoin, chloramphenicol, hydralazine, and high-dose pyridoxine can all lead to neuropathies.
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Another form of hepatitis is chemical hepatitis caused by alcohol, some anesthetics, nitrofurantoin, isoniazid, and other drugs.