Organic or inorganic substances. Medical search. Frequent questions

Arsenic, a naturally occurring element, can combine with either inorganic or organic substances to form many different compounds. (cdc.gov)
Inorganic arsenic compounds are in soils, sediments, and groundwater. (cdc.gov)
Organic arsenic compounds exist mainly in fish and shellfish. (cdc.gov)
Other sources of inorganic arsenic exposure include contact with contaminated soil or dust, or with wood preserved with arsenic compounds. (cdc.gov)
Exposure to organic arsenic compounds happens when people eat seafood. (cdc.gov)
Inorganic arsenic and arsenic compounds are considered to be cancer-causing chemicals. (cdc.gov)
Active substances that are either organic or inorganic compounds. (hse.gov.uk)
Inorganic arsenic compounds were widely used as pesticides until the mid-1900s and were found in some medicines until the 1970s. (cancer.gov)
Arsenic and Inorganic Arsenic Compounds, Report on Carcinogens, Fifteenth Edition. (cancer.gov)
Organic compounds: These include potential chemicals such as methyl tertiary butyl ether-the gasoline additive commonly known as MTBE -and common household compounds such as paint solvent. (snwa.com)
Inorganic compounds: Substances such as perchlorate , phosphates and nitrate are tracked. (snwa.com)
In the environment, arsenic is combined with oxygen, chlorine, and sulfur to form inorganic arsenic compounds. (cdc.gov)
Arsenic in animals and plants combines with carbon and hydrogen to form organic arsenic compounds. (cdc.gov)
Inorganic arsenic compounds are mainly used to preserve wood. (cdc.gov)
Organic arsenic compounds are used as pesticides, primarily on cotton plants. (cdc.gov)
CH 4 ) is among the simplest organic compounds. (wikipedia.org)
The definition of " organic " versus " inorganic ", and whether some other carbon-containing compounds are organic or inorganic vary from author to author, and are topics of debate. (wikipedia.org)
Due to carbon's ability to catenate (form chains with other carbon atoms ), millions of organic compounds are known. (wikipedia.org)
The study of the properties, reactions, and syntheses of organic compounds comprise the discipline known as organic chemistry . (wikipedia.org)
For historical reasons, a few classes of carbon-containing compounds (e.g., carbonate salts and cyanide salts ), along with a few other exceptions (e.g., carbon dioxide , and even hydrogen cyanide despite the fact it contains a carbon-hydrogen bond), are generally considered inorganic . (wikipedia.org)
Other than those just named, little consensus exists among chemists on precisely which carbon-containing compounds are excluded, making any rigorous definition of an organic compound elusive. (wikipedia.org)
Although organic compounds make up only a small percentage of Earth's crust , they are of central importance because all known life is based on organic compounds. (wikipedia.org)
Living things incorporate inorganic carbon compounds into organic compounds through a network of processes ( the carbon cycle ) that begins with the conversion of carbon dioxide and a hydrogen source like water into simple sugars and other organic molecules by autotrophic organisms using light ( photosynthesis ) or other sources of energy. (wikipedia.org)
Most synthetically-produced organic compounds are ultimately derived from petrochemicals consisting mainly of hydrocarbons , which are themselves formed from the high pressure and temperature degradation of organic matter underground over geological timescales. (wikipedia.org)
[2] This ultimate derivation notwithstanding, organic compounds are no longer defined as compounds originating in living things, as they were historically. (wikipedia.org)
Different forms ( allotropes ) of pure carbon, such as diamond , graphite , fullerenes , and carbon nanotubes [4] are also excluded because they are simple substances composed of only a single element and therefore are not generally considered to be chemical compounds . (wikipedia.org)
Berzelius also contended that compounds could be distinguished by whether they required any organisms in their synthesis (organic compounds) or whether they did not ( inorganic compounds ). (wikipedia.org)
[6] Vitalism taught that formation of these "organic" compounds were fundamentally different from the "inorganic" compounds that could be obtained from the elements by chemical manipulations in laboratories. (wikipedia.org)
Materials' and 'compounds' refer to any physical matter, whether it's organic or inorganic. (thesaurus.net)
Elements' and 'substances' describe chemical compounds that are essential to our lives, such as oxygen and water. (thesaurus.net)
New CECs spotted in this work are all intermediate volatility organic compounds (IVOCs), containing mintketone, isolongifolene, ß-funebrene, and (5α)-androstane. (bvsalud.org)
Inhaling incense smoke can result in adverse health effects, yet the molecular compositions of incense-burning organics have not been well investigated due to the lack of measurement of intermediate-volatility and semi-volatile organic compounds (I/SVOCs). (bvsalud.org)

This book summarizes what is known about biological monitoring for inorganic, organic, and organometallic substances. (epa.gov)

This is especially true in areas with water sources that naturally have higher levels of inorganic arsenic. (cdc.gov)
Long-term exposure to high levels of inorganic arsenic in drinking water is associated with certain medical conditions. (cdc.gov)
Eating or breathing low levels of inorganic arsenic for a long time can cause darkening of the skin and the appearance of small corns or warts on the palms, soles and body. (cdc.gov)

In the past people used inorganic forms of arsenic in pesticides and paint pigment. (cdc.gov)
People are most likely exposed to inorganic arsenic through drinking water. (cdc.gov)
People can also be exposed to inorganic arsenic by eating such foods as rice and some fruit juices. (cdc.gov)
These forms of arsenic are considered to be non-toxic or considerably less toxic than inorganic arsenic. (cdc.gov)
Unusually large doses of inorganic arsenic can cause symptoms ranging from nausea, vomiting, and diarrhea to dehydration and shock. (cdc.gov)
Studies have not found organic arsenic in seafood to be toxic to humans. (cdc.gov)
The body converts inorganic arsenic into the breakdown product (metabolite) called dimethylarsinic acid (DMA). (cdc.gov)
Arsenobetaine is a non-toxic inorganic arsenic form that comes from fish and seafood. (cdc.gov)
Inorganic arsenic is naturally present at high levels in the groundwater of certain countries, including the United States. (cancer.gov)
Arsenic is a naturally occurring substance that can be found in air, water, and soil. (cancer.gov)
Arsenic is a chemical present in the environment as a naturally occurring substance and as a result of human activity. (cdc.gov)
There are two general types of arsenic: organic and inorganic. (cdc.gov)
The inorganic forms of arsenic are the harmful forms, while most of the organic forms of arsenic are essentially harmless. (cdc.gov)
Some fish and shellfish contain a form of organic arsenic called "fish arsenic. (cdc.gov)
Breathing or eating inorganic arsenic can increase the risk for certain cancers. (cdc.gov)

It is a key parameter of water quality and is linearly related to the backward scattering of light by organic and inorganic particles in the water. (un-spider.org)
To elucidate the detailed emission profile of incense-burning particles, we conducted a non-target measurement of organics emitted from incense combustion. (bvsalud.org)
Quartz filters were utilized to trap particles, and organics were analyzed by a comprehensive two-dimensional gas chromatography-mass spectrometer (GC × GC-MS) coupled with a thermal desorption system (TDS). (bvsalud.org)

This document is provided by the Agency for Toxic Substances and Disease Registry (ATSDR) ONLY as an historical reference for the public health community. (cdc.gov)
In 1980, Congress created the Agency for Toxic Substances and Disease Registry (ATSDR) to implement health-related sections of laws that protect the public from hazardous wastes and environmental spills of hazardous substances. (cdc.gov)
Mention of the name of any company or product does not constitute endorsement by the Agency for Toxic Substances and Disease Registry, or the U.S. Department of Health and Human Services. (cdc.gov)
Since 1990, the Agency for Toxic Substances and Disease Registry (ATSDR) has maintained and active, state-based Hazardous Substances Emergency Events Surveillance (HSEES) system to describe the public health consequences associated with the release of hazardous substances. (cdc.gov)
How can I be prepared for a fish kill involving disease or toxic substances? (thefishsite.com)
Be able to tell whether observed effects are from poor water quality, fish diseases or toxic substances. (thefishsite.com)
Fish can behave erratically, get sick or die in response to toxic substances, poor water quality and infectious diseases. (thefishsite.com)
Although poor water quality and toxic substances can, by themselves, cause fish to get sick and die, infectious diseases involve a pathogen and some form of stress or adverse condition. (thefishsite.com)
Toxic substances are in either of two major categories: organics, such as most pesticides and herbicides, or inorganics, such as heavy metals. (thefishsite.com)
Toxic substances may kill fish when water quality is good and no infectious disease is apparent. (thefishsite.com)
Producers must investigate a fish problem by going through a process of elimination that involves careful investigation of water quality, infectious disease and toxic substances (see Figure 1). (thefishsite.com)

ii) The cleanup action provides for appropriate institutional controls implemented in accordance with WAC 173-340-440 to limit potential exposure to residual hazardous substances. (wa.gov)
iii) Hazardous substances remaining at the property after remedial action would not pose a threat to human health or the environment at the site or in adjacent nonindustrial areas. (wa.gov)
B) The degree of reduction of potential exposure to residual hazardous substances by the selected remedy. (wa.gov)
The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), commonly known as the "Superfund" Act, designated ATSDR as the lead agency within the Public Health Service to help prevent or reduce further exposure to hazardous substances and the adverse health effects that result from such exposures, and also to expand the knowledge base about such effects. (cdc.gov)
Rit Dye is an example of dye used on burlap, and it contains no hazardous substances. (gardenguides.com)
Public Health Statement - Summary about a hazardous substance taken from Chapter One of its respective ATSDR Toxicological Profile. (cdc.gov)
Toxicological Profile - Succinctly characterizes the toxicologic and adverse health effects information for a hazardous substance. (cdc.gov)
Priority List of Hazardous Substances - Prioritization of substances based on a combination of their frequency, toxicity, and potential for human exposure at National Priorities List (NPL) sites. (cdc.gov)
Minimal Risk Levels (MRL) - The MRL is an estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse, non-cancer health effects over a specified duration of exposure. (cdc.gov)
Interaction Profiles - Succintly characterizes the toxicologic and adverse health effects information for mixtures of hazardous substances. (cdc.gov)
Case Study in Environmental Medicine (CSEM) - Self-instructional publication designed to increase primary care provider's knowledge of a hazardous substance in the environment and to aid in the evaluation of potentially exposed patients. (cdc.gov)
Exposure to hazardous organics is associated with adverse health effects. (bvsalud.org)
Incense burning is a common practice in Asian cultures, releasing hazardous particulate organics. (bvsalud.org)

An organism that feeds on fragmented particulate organic matter on the surface of the substratum (e.g. (marlin.ac.uk)
An organism that feeds on fragmented particulate organic matter within the substratum (e.g. (marlin.ac.uk)
certain filtering materials, for example, mineral substances, vegetable substances and ceramic materials in particulate form. (wipo.int)

The ecological risks of the 11 substances in the Antimony-containing Substances Group were characterized using the Ecological Risk Classification of Inorganic Substances (ERC-I). The ERC-I is a risk-based approach that employs multiple metrics considering both hazard and exposure in a weight of evidence. (canada.ca)

They must rely on an organic source of carbon that has originated as part of another living organism. (britannica.com)
Autotrophs are defined as organisms that are able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. (answers.com)
In chemistry , many authors consider an organic compound to be any chemical compound that contains carbon-hydrogen or carbon-carbon bonds , however, some authors consider an organic compound to be any chemical compound that contains carbon. (wikipedia.org)
Under these conditions, TIE-1 performs photoferrotrophy, the process by which inorganic carbon is fixed into organic matter using light as an energy source and reduced iron [Fe(II)] as an electron donor. (databasefootball.com)

Polymerization of a vinyl monomer were attempted by using radicals on the surface of inorganic solids produced by grinding operation. (nii.ac.jp)
Six kinds of samples used were natural inorganic solids such as quartz and feldspar, and silica glass. (nii.ac.jp)
5)The cohesion between polymer and inorganic solids is estimated to become stronger. (nii.ac.jp)
Publications] MASAHIRO HASEGAWA: 'Activity of Mechanoradicals in Natural Inorganic Solids for Polymerization' Proceedings of the Sco. (nii.ac.jp)
Publications] MASAHIRO HASEGAWA: 'Polymerization of Methyl Methacrylate by Mechanoradicals in Inorganic Solids' Proceedings of the 24th autumn meeting of the Soc. (nii.ac.jp)
A) In the wastewater: oxygen-consuming substances (lignin and cellulose decomposition), dyes B) In treated sludge: organic and inorganic solids (incl. (nzdl.org)

Exposure profiling considered two approaches: predictive modeling using a generic near-field exposure model for each substance, and an analysis of measured concentrations collected by federal and provincial water quality monitoring programs using antimony concentrations as a conservative indicator of exposure for the 11 substances. (canada.ca)
From the outset, the SEG (now the SCOEL) has had as its major remit the role of examining appropriate scientific documentation, usually in the form of Criteria Documents, on the toxicological and other relevant properties of chemicals and to recommend to the Commission values for substance-specific occupational exposure limits. (cdc.gov)

An active substance is a chemical, plant extract, pheromone or micro-organism that has action against plant pests, weeds or diseases. (hse.gov.uk)
The following is a general but partial definition of bacteria: "microscopic plants" "that are often aggregated into colonies," "living in soil, water, organic matter or the live bodies of plants and animals, and … important to man because of their chemical effects (as in nitrogen fixation, putrefaction, and various fermentations) and as pathogens. (justia.com)
They generally use energy from light (photosynthesis) or inorganic chemical reactions (chemosynthesis) and are the producers in a food chain, such as plants on land or algae in water. (answers.com)
Vitalism was a widespread conception that substances found in organic nature are formed from the chemical elements by the action of a "vital force" or "life-force" ( vis vitalis ) that only living organisms possess. (wikipedia.org)
It is simple acetone, a nonhazardous organic chemical. (wisebread.com)
Adult flies are trained en masse to differentially associate one of two visual conditioned stimuli (CS) (blue and green light as CS) with an appetitive or aversive chemical substance (unconditioned stimulus or US). (frontiersin.org)
The Chemical Abstracts Service Registry Numbers (CAS RN Footnote 1 ), their Domestic Substances List (DSL) names and their common names are listed in the table below. (canada.ca)
Evaluates the chemical and physical properties of various organic and inorganic substances. (salary.com)
Companies in this industry transform organic and inorganic raw materials through chemical processes and create products from those materials. (salary.com)
The chemical identity of occupational substance was not verified in the report. (europa.eu)
This module aims to provide a breadth core understanding of the main chemical principles behind the chemistry of elements, systems in equilibrium and chemical reactivity, with special emphasis in basic organic reactions. (lincoln.ac.uk)
Organic molecules will be used as an example to explain reactivity and how chemical structure can condition molecular properties. (lincoln.ac.uk)
Movement and interaction of molecules and chemical kinetics are key physical chemistry topics covered and applied to chemical reactions of both organic and inorganic substances. (lincoln.ac.uk)

A toxic substance is any matter with harmful effects on living organisms. (thefishsite.com)

They include idiopathic fibrotic diseases, connective-tissue diseases, drug-induced lung disease, environmental exposures (inorganic and organic dusts), and primary diseases of the lungs (including sarcoidosis). (medscape.com)

Journal of Inorganic and Nuclear Chemistry. (wikipedia.org)

Minerals are inorganic elements that come from soil and water, and are absorbed by plants or eaten by animals. (kidshealth.org)
When the plant dies, it decays and becomes part of the organic matter pool in the soil. (missouri.edu)
It shows nitrogen changing from organic matter in the soil, to bacteria, to plants and back to organic matter. (missouri.edu)

The main source of nitrogen in soils is from organic matter. (missouri.edu)
Soils in Missouri commonly contain one to four percent organic matter. (missouri.edu)
Bacteria found in soils convert organic forms of nitrogen to inorganic forms that the plant can use. (missouri.edu)

Bacteria utilize both organic and inorganic substances as electron sources for their metabolic activities. (databasefootball.com)

Such substances can be introduced into the aquatic environment by pesticide runoff, livestock feedlot discharge, oil from drilling or refining operations or acid water discharge from coal mining operations, to name a few. (thefishsite.com)

Our predictive model uses three neural networks together with Monte Carlo tree search (3N-MCTS), which results in delivering better performance in terms of the number of small organic molecules provided for a synthetic sequence and the time it takes to propose a synthesis route. (elsevier.com)

Several organic and inorganic dyes are used to give burlap color for home decorating. (gardenguides.com)

The word 'substances' is widely used to describe any variety of materials, chemicals, and ingredients. (thesaurus.net)
Four new chemicals of emerging concern (CECs) are screened in 469 organics quantified. (bvsalud.org)
We proposed a three-step pipeline for CECs screening utilizing GC × GC including 1) non-target scanning of organics with convincing molecular structures and quantification results, 2) statistical analysis between samples and backgrounds to extract useful information, and 3) pixel-based property estimation to evaluate the contamination potential of addressed chemicals. (bvsalud.org)

Organic matter largely arises from plant and animal residues. (missouri.edu)
Maxillary incisors were extracted, crowns removed from the roots, and organic residues adhered to the crown surfaces were mechanically removed using a soft-bristle toothbrush, preserving tissue integrity. (bvsalud.org)

Development and validation of analytical methods for the determination of inorganic and organic substances using chromatographic techniques. (mdpi.com)
Utilizes established methods and procedures and laboratory equipment to perform analytical testing of substances. (salary.com)

These are directly or indirectly related to relevant water quality parameters (indicator) such as turbidity and suspended matter, phytoplankton and its main pigment chlorophyll, detritus, salinity, total phosphorus (TP), Temperature, pH and dissolved colored organic matter. (un-spider.org)
Changes in density of aqueous solutions with changes in concentration at 20°C. Density of inorganic chlorides in water is plotted as function of wt%, mol/kg water and mol/l solution. (engineeringtoolbox.com)
They can be due to disease, poor water quality or a toxic substance. (thefishsite.com)
Canadians may be exposed to the 11 antimony-containing substances, which include both trivalent and pentavalent forms of antimony, as they contribute to levels of antimony in environmental media, food, drinking water and/or products available to consumers. (canada.ca)

The nitrogen in organic matter is largely in organic forms that plants cannot use. (missouri.edu)

Another way nitrogen enters the cycle is as inorganic nitrogen from the atmosphere and factories. (missouri.edu)
Nitrogen from the air (N 2 ) enters the nitrogen cycle through several unique types of microorganisms that can convert N 2 gas to inorganic forms usable by plants. (missouri.edu)
If inorganic mercury enters your bloodstream, it can attack the kidneys and brain. (medlineplus.gov)

Mill scale" is inorganic. (europa.eu)

Unlike elemental mercury, inorganic mercury is usually poisonous when swallowed. (medlineplus.gov)
Organic mercury can cause sickness if it is breathed in, eaten, or placed on the skin over long periods of time. (medlineplus.gov)
Usually, organic mercury causes problems over years or decades, not right away. (medlineplus.gov)
This means that being exposed to small amounts of organic mercury every day for years will likely cause symptoms to appear later. (medlineplus.gov)
Being exposed to large amounts of the organic mercury called methylmercury while pregnant may cause permanent brain damage in the baby. (medlineplus.gov)

1998. The text was complemented by comments and discussions on that occasion, and finally published as Report EUR 19253 EN in 1999. (cdc.gov)

Data requirements that list only the manufacturing-use product as the test substance apply to products containing solely the technical grade of the active ingredient and manufacturing-use products to which other ingredients have been intentionally added. (cornell.edu)
And 'ingredients' is often used when describing substances that are used in recipes or formulas. (thesaurus.net)

The ERC-I identified these 11 antimony-containing substances as having low ecological concern. (canada.ca)

The field of organic and inorganic piezoelectric materials is continuously expanding in terms of new substances used, new structures, and new applications. (intechopen.com)
Piezoelectricity Organic and Inorganic Materials and Applicati. (intechopen.com)

Dermal absorption of inorganic lead is much less than absorption by inhalation or orally. (cdc.gov)

It is also important to note that the word "organic" in this context does not mean "natural. (wikipedia.org)
How to use "Substances" in context? (thesaurus.net)

When a toxic substance is suspected, it is crucial that samples be handled properly to ensure the integrity of the sample and of the laboratory results. (thefishsite.com)

CEPA), the Minister of the Environment and the Minister of Health have conducted a screening assessment of 11 substances referred to collectively as the Antimony-containing Substances Group. (canada.ca)
Substances in this group were identified as priorities for assessment as they met categorization criteria under subsection 73(1) of CEPA. (canada.ca)
Considering all available lines of evidence presented in this screening assessment, there is a low risk of harm to the environment from the 11 antimony-containing substances. (canada.ca)

Store in a cool, dry atmosphere away from heat and incompatible substances. (ihcworld.com)

Nitrogen is taken up by plant roots and combined into organic substances in the plant, such as enzymes, proteins and chlorophyll. (missouri.edu)

They measured these substances in the urine of 2,557 participants, aged six years and older, who took part in the National Health and Nutrition Examination Survey (NHANES) in 2003-2004. (cdc.gov)

Vitamins are organic substances, which means they're made by plants or animals. (kidshealth.org)

Anatomy14

Organisms9

Diseases17

Chemicals and Drugs68

Analytical, Diagnostic and Therapeutic Techniques and Equipment28

Psychiatry and Psychology67

Phenomena and Processes15

Disciplines and Occupations3

Anthropology, Education, Sociology and Social Phenomena24

Technology, Industry, Agriculture1

Information Science6

Named Groups11

Health Care39

Geographicals6

Compounds32

Organometallic substances1

Levels of inorganic arsenic3

Arsenic15

Particles3

Toxic Substances11

Hazardous13

Particulate3

Classification1

Carbon4

Solids6

Exposure2

Chemical13

Organisms1

Exposures1

Chemistry1

Soil3

Soils3

Bacteria1

Pesticide1

Molecules1

Dyes1

Chemicals3

Residues2

Analytical2

Water4

Matter1

Enters3

Mill1

Mercury5

19981

Ingredients2

Concern1

Materials2

Inhalation1

Context2

Laboratory1

Assessment3

Atmosphere1

Enzymes1

Health1

Plants1