Interfering Substances definition

Interfering Substances. Heparin therapy causes activation of lipoprotein lipase, which increases the relative migration rates of the fractions, especially the beta lipoprotein.10 Serum Storage: For best results, fresh serum should be used. Storage at 2 to 8°C for no more than 5 days yields satisfactory results. Prolonged storage increases the migration rate of the pre-beta fraction. Do not freeze.11
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Interfering Substances. Ingestion of ascorbic acid (Vitamin C) in high doses has been shown to cause false negative results, and intake should be discontinued 2 days prior to, and during, the test period.7 Peroxidase from fruit and vegetables can cause false positive results.8-11 Elimination of red meat from the diet during the test period eliminates the source of hemoglobin which can cause false positives. Oral medications (such as aspirin, indomethacin, reserpine, phenalbutazone, corticosteroids, etc.) and heavy alcohol consumption may cause irritation or bleeding of the gastrointestinal tract and should be discontinued for 7 days prior to and during the test period.
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Examples of Interfering Substances in a sentence

  • Limitations of Method; Interfering Substances and Conditions This method is an isotope dilution mass spectrometry method, widely regarded as the definitive method for the measurement of organic toxicants in human body fluids.Alteration of particular aspects of this method can result in major interferences.

  • The Influence of Interfering Substances on the Antimicrobial Activity of Selected Quaternary Ammonium Compounds.

  • As an age 55 and older community (consistent with the PRC Zone and binding elements of G-881), the Site Plan emphasizes recreation facilities for the older age groups.

  • A New Generation of Breath Testing Instruments and their Response to Interfering Substances Found in Breath.

  • The Applicant must advance the costs exceeding the Extension Allowance prior to the start of construction.

  • Interfering Substances: Any substance and/or infectious agent that may be present in a clinical sample and affect a performance characteristic of the new assay.

  • Interfering Substances – Endogenous and Exogenous SubstancesA series of studies were conducted to assess the effects of endogenous substances, exogenous substances, microbial substances, and smoking on the 23andMe PGS Test.

  • Like Stacy and the foster children she now works with, they may spend their birthday feigning excitement, know- ing they will not receive gifts that recognize the most basic aspects of who they are and where their interests lie.Most concerning, these children may stay silent.

  • No endogenous substances tested exhibited interference with the assay.DonorCYP2C9 Effect of Exogenous Interfering Substances: Potentially interfering exogenous substances introduced into saliva samples through various activities (eating, drinking, chewing gum, using mouthwash, smoking and brushing teeth) were tested.

  • Evaluation of Potentially Interfering Substances on Accula Strep A TestPotential InterferentPotential InterferentActive IngredientAdsorbed ConcentrationApproximate Eluted ConcentrationIC: Internal Control, for negative samples1Eucalyptus oil was used in place of Halls Triple Soothing Cough Drops due to a lack of availability.

Related to Interfering Substances

  • Substances means chemical elements and their compounds in the natural state or obtained by any production process, including any additive necessary to preserve the stability of the products and any impurity deriving from the process used, but excluding any solvent which may be separated without affecting the stability of the substance or changing its composition;

  • Dangerous Substances means a substance or article described in regulation 3 of the Dangerous Substances Regulations;

  • Wastes means and includes any hazardous, toxic or dangerous waste, liquid, substance or material (including petroleum products and derivatives), the generation, handling, storage, disposal, treatment or emission of which is subject to any Environmental Law.

  • Hazardous Substances means any substances defined or designated as hazardous or toxic waste, hazardous or toxic material, hazardous or toxic substance or similar term, by any environmental statute, rule or regulation of any governmental entity presently in effect and applicable to such real property.

  • Harmful substance means any substance which, if introduced into the sea, is liable to create hazards to human health, to harm living resources and marine life, to damage amenities or to interfere with other legitimate uses of the sea, and includes any substance subject to control by the present Convention.

  • Contaminants or "pollutants," or words of similar import, under any Environmental Law and (c) any other substance exposure to which is regulated under any Environmental Law.

  • Regulated Substances means pollutants, contaminants, hazardous or toxic substances, compounds or related materials or chemicals, hazardous materials, hazardous waste, flammable explosives, radon, radioactive materials, asbestos, urea formaldehyde foam insulation, polychlorinated biphenyls, petroleum and petroleum products (including, but not limited to, waste petroleum and petroleum products) as regulated under applicable Environmental Laws.

  • Tailings means material rejected from a mill after most of the valuable minerals have been extracted.

  • Contaminate means the addition of sediment, any other pollutant or waste, or any illicit or prohibited discharge.

  • Counterfeit substance means a controlled substance which, or the container or labeling of which, without authorization, bears the trademark, trade name, or other identifying mark, imprint, number or device, or any likeness thereof, of a manufacturer, distributor, or dispenser other than the person who in fact manufactured, distributed, or dispensed the substance.

  • Tanks has the meaning set forth in Section 4.12(b).

  • Dangerous Substance means any radioactive emissions and any natural or artificial substance (whether in solid or liquid form or in the form of a gas or vapour and whether alone or in combination with any other substance) which, taking into account the concentrations and quantities present and the manner in which it is being used or handled, it is reasonably foreseeable will cause harm to man or any other living organism or damage to the Environment including any controlled, special, hazardous, toxic, radioactive or dangerous waste.

  • fissionable substance means any prescribed substance that is, or from which can be obtained, a substance capable of releasing atomic energy by nuclear fission.

  • Contaminated soil means soil that meets all of the following criteria:

  • Contaminated means the actual existence on or under any real property of Hazardous Substances, if the existence of such Hazardous Substances triggers a requirement to perform any investigatory, remedial, removal or other response action under any Environmental Laws or if such response action legally could be required by any governmental authority; "Facility" means any property currently owned, leased or occupied by the Company.

  • Hazardous Materials means all explosive or radioactive substances or wastes and all hazardous or toxic substances, wastes or other pollutants, including petroleum or petroleum distillates, asbestos or asbestos-containing materials, polychlorinated biphenyls, radon gas, infectious or medical wastes and all other substances or wastes of any nature regulated pursuant to any Environmental Law.

  • Radioactive substance means a substance that emits ionizing

  • Perfluoroalkyl and polyfluoroalkyl substances or “PFAS” means a class of fluorinated organic chemicals containing at least one fully fluorinated carbon atom.

  • Ozone-depleting substance means any substance the Environmental Protection Agency designates in 40 CFR part 82 as--

  • Controlled substances means those substances identified in 49 CFR 40.85. “CCF” means the Federal Drug Testing Custody and Control Form.

  • Hazardous Material means anything defined as a hazardous waste, hazardous substance, toxic substance, hazardous material, pollutant, or contaminant or similar term under an Environmental Law

  • Petroleum Substances means petroleum, natural gas, natural gas liquids, related hydrocarbons and any and all other substances, whether liquid, solid or gaseous, whether hydrocarbons or not, produced or producible in association with any of the foregoing.

  • Pollutants means any solid, liquid, gaseous or thermal irritant or contaminant, including smoke, vapor, soot, fumes, acids, alkalis, chemicals and waste. Waste includes materials to be recycled, reconditioned or reclaimed.

  • Chemical substance means a substance intended to be used as a precursor in the manufacture of a controlled substance or any other chemical intended to be used in the manufacture of a controlled substance. Intent under this subsection may be demonstrated by the substance's use, quantity, manner of storage, or proximity to other precursors or to manufacturing equipment.

  • Underground injection means the subsurface emplacement of fluids through a bored, drilled or driven well; or through a dug well, where the depth of the dug well is greater than the largest surface dimension. (See also “injection well”.)

  • Friable asbestos material means any material that contains more than 1% asbestos by weight and that can be crumbled, pulverized, or reduced to powder when dry, by hand pressure.