Organic and inorganicDissolved inorganic carbon concentrationCompoundsPhosphateExposureNitrogen concentrationsCationNutrient concentrationsArsenic concentrationsSaltsContaminantsUrineCarbonAmmoniaBiomassChemistrySpeciation2018GasesMicrobialAerosolNitrateSpeciesAirborne concentrationChemicalsOxidationAnionsIngestionBehaviorWatersHighest concentrationHighOccurProtein0.02WaterTotalSignificantInhibitionCollectionsChemicalHigherBloodFoundDataTypicallyBase

Organic and inorganic3

• In the results measured using the FP-XRF, Pb and Hg were found in organic and inorganic pieces of artifacts. (cdc.gov)
• Similarly, the concentration of Pb across organic and inorganic artifacts varied greatly. (cdc.gov)
• The organic and inorganic composition of saliva can supply information about alterations in enzymatic activity in response to periodontal inflammation (3). (bvsalud.org)

Dissolved inorganic carbon concentration1

• What drives the latitudinal gradient in open-ocean surface dissolved inorganic carbon concentration? (copernicus.org)

Compounds6

• Conventional ash extraction relies on furnace combustion that inevitably alters the inorganic compounds due to oxidation and decomposition. (osti.gov)
• This study developed composition-preserving methods for extracting and analyzing extrinsic and intrinsic inorganic compounds. (osti.gov)
• The extrinsic inorganic compounds were found to be dominated by quartz, along with other minor minerals, such as albite, microcline, and gehlenite, and have particle sizes ranging from tens to hundreds of micrometers. (osti.gov)
• By correlation of the total ash and extrinsic inorganic contents to the wear behavior, both the extrinsic and intrinsic inorganic compounds were concluded to have made significant contributions to the wear process. (osti.gov)
• Finally, the results here validated a new approach to characterize inorganic compounds in biomass and provided fundamental insights for their potential impact on preprocessing tool wear. (osti.gov)
• Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Arsenic [7440-38-2] and inorganic compounds, as As. (osha.gov)

Phosphate4

• Reactions were then quenched, and inorganic phosphate was quantified by using the Malachite Green Phosphate Assay Kit, (BioAssay Systems, Hayward, CA, USA) per the manufacturer's recommendations. (cdc.gov)
• Reactions were initiated with 300 mol/L PEP, and inorganic phosphate was quantified as described. (cdc.gov)
• It has been reported that colistin production depends on the inorganic phosphate concentration [ 16 ]. (hindawi.com)
• Inorganic Phosphate is contributed by detergents and household cleaning products such as soaps. (ufl.edu)

Exposure10

• The National Institute for Occupational Safety and Health (NIOSH) of the Centers for Disease Control and Prevention (CDC) intended to evaluate the scientific data on inorganic lead, develop appropriate communication documents, such as a current intelligence bulletin, which will convey the potential health risks, recommended measures for safe handling, and establish an updated Recommended Exposure Limit (REL). (cdc.gov)
• The Occupational Safety and Health Administration's Permissible Exposure Limit (PEL) for inorganic lead is 50 µg/m 3 for an 8-hour period with an action level of 30 µg/m 3 for an 8-hour period. (cdc.gov)
• As part of an effort to identify RELs that may not be adequate to protect workers from adverse health effects due to exposure, NIOSH is reexamining the REL for inorganic lead. (cdc.gov)
• Blood measures of total and inorganic mercury will be important for evaluation of exposure from exposure to mercury in interior latex paints. (cdc.gov)
• The first one consisted of assessing human exposure to inorganic elements associated with the mine tailings (arsenic, copper, selenium and zinc), life-style issues (lead and cadmium) or persistent pollutants often associated with fish consumption (e.g., mercury and PCBs). (inspq.qc.ca)
• The second specific objective aimed to compare the biological contaminant exposure results with reference data obtained concurrently in a control Cree community (Nemaska), as well as with the concentrations observed in a Southern Quebec population previously studied and those recommended (published) as reference ranges. (inspq.qc.ca)
• Although these results cannot be compared to the Occupational Safety and Health Administration (OSHA) Permissible Exposure Limits (PEL) for dust, the average PM2.5 concentration was ten times higher than United States Environmental Protection Agency (EPA)'s annual standard of PM2.5 (0.015 mg/m3). (cdc.gov)
• Arsenic exposure was assessed in urine as the sum of inorganic arsenic metabolite concentrations (U-As) measured by HPLC-HG-ICP-MS, and in whole blood as total arsenic (B-As) measured by ICP-MS. Efficiency of arsenic metabolism was evaluated by a polymorphism (rs3740393) in the main arsenic methylating gene AS3MT measured by TaqMan allelic discrimination, and by the relative fractions of urinary inorganic arsenic metabolites. (lu.se)
• Exposure to arsenic (particularly its inorganic form) through contaminated food and drinking water is an important public health burden worldwide, and is associated with increased risk of neurotoxicity, congenital anomalies, cancer, and adverse neurodevelopment in children. (cdc.gov)
• Organic particle concentrations are often high indoors, which promotes the sorption of DEHP and other SVOCs, which in turn may contribute to increased human exposure to DEHP and other SVOCs. (lu.se)

Nitrogen concentrations1

• Inorganic nitrogen concentrations in Long Island Sound have also decreased. (longislandsoundstudy.net)

Cation1

• An abnormality of monovalent inorganic cation homeostasis. (nih.gov)

Nutrient concentrations2

• Reef waters had low inorganic nutrient concentrations and were dominated by Synechococcus, Prochlorococcus, and SAR11 bacteria. (usgs.gov)
• Flow-normalized nutrient concentrations and fluxes from the major rivers draining to Long Island Sound have decreased from 1974 to 2013 and from 2001 to 2013. (longislandsoundstudy.net)

Arsenic concentrations3

• Well water arsenic concentrations ranged from 1 to 4781 micrograms per liter, with a mean of 347.3 and a median of 41. (cdc.gov)
• Urinary arsenic concentrations ranged from 6 to 4964 micrograms per liter with a median of 50.9. (cdc.gov)
• One or more nerve conduction velocities were abnormal in 13 subjects, but nerve velocity measurements were not related to estimated daily arsenic ingestion or arsenic concentrations in water or urine. (cdc.gov)

Salts2

• Plugging these values in $K_\mathrm{sp}$ of respective salts, we can get the equilibrium concentration of remaining anions. (stackexchange.com)
• Hydrogen cyanide and inorganic cyanide salts. (cdc.gov)

Contaminants3

• This article is the fifth in a series on industrial water treatment focusing on inorganic contaminants. (wateronline.com)
• Potential water treatment processes for inorganic contaminants can be grouped into three categories: physical ( see Part 3 ), chemical ( see Part 4 ), and biological. (wateronline.com)
• Moreover, millions of people are exposed to unsafe concentrations of chemical contaminants in their drinking-water. (who.int)

Urine2

• With inorganic speciation, her group routinely determines the amounts of the different forms of arsenic in human urine samples and the different amounts of mercury in human blood samples. (cdc.gov)
• According to Cynthia, "We determine the concentrations of arsenic and mercury species in urine and blood samples from individuals from a representative sample of the U.S. population. (cdc.gov)

Carbon2

• The paradigm of phytoplankton limitation by nutrients and light is so perva- sively established, that the lack of nutrient limitation is ordinarily interpreted as sufficient evidence for the condition of light limitation, without considering the possibility of limitation by inorganic carbon. (awi.de)
• This study takes advantage of the GLODAPv2 database to investigate the processes driving the surface ocean dissolved inorganic carbon distribution, with the focus on its latitudinal gradient between the polar oceans and the low-latitude oceans. (copernicus.org)

Ammonia1

• Why does concentration of solutions of alkali metals in liquid ammonia change the magnetic properties? (stackexchange.com)

Biomass3

• Fire produced a significant decrease in microbial biomass N, mineral N and dissolved organic N. Almost 20 y after fire, pre-fire levels of N concentrations had not recovered. (afs-journal.org)
• The inorganic content of biomass impairs size reduction tool life and the conversion process. (osti.gov)
• Comprehensive characterization was carried out on selected biomass feedstocks, including corn stover, pine residue, and pine anatomical fractions, to reveal their inorganic species and morphology. (osti.gov)

Chemistry3

• Concentrators major in either biology or chemistry and take additional courses to fulfill the concentration requirements. (holycross.edu)
• In addition to completing the requirements for a degree in Chemistry or Biology, these include one semester of Biol 161 with lab, both semesters of Biochemistry with lab, Chemical Thermodynamics, at least one semester of Physics, and an additional course in Biology with a lab that is biochemistry-oriented (please consult the concentration directors for approval). (holycross.edu)
• Students interested in the concentration must apply during the spring semester of their second year, and have declared a major in biology or chemistry. (holycross.edu)

Speciation3

• This study provides the first contemporaneous measurements of the concentration and speciation of dissolved nitrogen (N) in snow, meltwater and ice during the onset of the ablation season at a site within the Dark Zone of the Greenland Ice Sheet. (frontiersin.org)
• Meet Cynthia Ward, a scientist in our Division of Laboratory Sciences who works in inorganic speciation metals analysis. (cdc.gov)
• She's a team leader for a group that deals with inorganic speciation metals analysis. (cdc.gov)

20181

• As of 2018, the NIOSH REL for inorganic lead is 50 micrograms per cubic meter (µg/m 3 ) as a time-weighted average (TWA) concentration for an 8-hr work shift during a 40-hr workweek. (cdc.gov)

Gases2

• This dataset is from the Northern Ireland (NI) DELTA® Gas and Aerosol Monitoring Network, and consists of monthly atmospheric concentrations of inorganic, water-soluble, reactive gases and aerosols measured with the UKCEH DELTA® method at 4 sites across NI for the years 2019 to 2020. (data.gov.uk)
• Personal protection: filter respirator for inorganic gases and vapours adapted to the airborne concentration of the substance. (ilo.org)

Microbial1

• These are engineered treatment systems that use an organic substrate to drive microbial and chemical reactions to reduce acidity and concentrations of metals and sulfate in industrial waters (Interstate Technology & Regulatory Council, 2013, Biochemical Reactors for Mining-Influenced Waste ), primarily mining-influenced water (MIW). (wateronline.com)

Aerosol4

• Specifically, the concentrations of metals including Pb and As in the artifacts were measured using a field portable X-ray fluorescence (FP-XRF) and mass concentrations of PM smaller than 2.5 µm (PM2.5) in the buildings were also measured using an aerosol direct reading instrument for 25 minutes during the cleaning of two exhibits. (cdc.gov)
• Considering that we spend approximately 90% of our time indoors, it is important to gain increased understanding of indoor aerosol concentrations and properties. (lu.se)
• Aerosol mass spectrometry (AMS) was applied for real time measurements of the aerosol chemical composition and concentration throughout the measurements included in the thesis. (lu.se)
• Candle emissions from stressed burning were dominated by BC emissions, with minor contributions from inorganic and organic aerosol emissions. (lu.se)

Nitrate3

• High concentrations of inorganic phosphorus (Pi), nitrite (NO2⁻) and nitrate (NO3⁻), along with low dissolved oxygen (DO) were used as indicators of water pollution. (researchgate.net)
• The decaying, partially leached snow pack near S6 in south-west Greenland produced meltwater with relatively constant nitrate (NO 3 − ) concentrations, approximating the snow pack average (1.1 µM). (frontiersin.org)
• Nitrate-N was removed to non-detect levels, while sulfate concentrations were reduced to as low as 35 mg/L. (wateronline.com)

Species1

• That means that the chloride and bromide concentration in solution will not drop by much (they will remain major species). (stackexchange.com)

Airborne concentration1

• Thus, when particles are present in indoor air, the airborne concentration of DEHP available for respiratory deposition may increase. (lu.se)

Chemicals3

• Measure concentrations of chemicals near detection limits. (serdp-estcp.org)
• Alternatively, contamination may be linked to naturally-occurring inorganic chemicals such as arsenic and fluoride, which cause cancer and tooth/skeletal damage, respectively. (who.int)
• This highlights the need to reduce health detrimental chemicals in consumer products and building materials, and to reduce particle concentrations in indoor environments. (lu.se)

Oxidation1

• The high Cl 2 concentrations significantly increased atmospheric oxidation. (nature.com)

Anions1

• Inorganic anions also appear to affect ionoregulation. (astm.org)

Ingestion1

• Significant occupational exposures to inorganic lead can occur through inhalation, ingestion, and through the skin, principally through damaged skin. (cdc.gov)

Behavior1

• This publication summarizes (1) the sources of P in septic tank effluent and (2) the forms, concentrations, and behavior of P in the septic tank effluent and the drain field (also called a leach field or soil treatment unit). (ufl.edu)

Waters1

• Mueller and Helsel (1996) assert that P-limited surface waters can become eutrophic (nutrient-rich) when the P concentration in water exceeds just 0.02 mg/L. Efroymson et al. (ufl.edu)

Highest concentration1

• The highest concentration of As was found among organic artifacts. (cdc.gov)

High4

• CO2 depletion also occurred at high chlorophyll concentration. (awi.de)
• The shallow meteoric ice (∼10 cm-1 m) beneath the snow pack had high concentrations of DON and NH 4 + (6.5 and 2.6 µM, respectively), while NO 3 − concentrations were similar to the snow pack (1.1 µM). (frontiersin.org)
• Attached-growth systems are the best choice for treating high or variable concentrations. (wateronline.com)
• The candles that emitted the lowest BC concentrations showed high emissions of ultrafine particles. (lu.se)

Occur1

• There are many reports of pesticides inhibiting ATPases in vitro , as well as some equivocal information that such effects occur in vivo at relevant concentrations. (astm.org)

Protein4

• together with protein concentration) and lens epithelial cells plus capsule (LECs/capsule) in patients with cataract (CAT), and also suffering from pseudoexfoliation syndrome (PEX), primary open-angle glaucoma (POAG) and pseudoexfoliation glaucoma (PXG). (molvis.org)
• Average protein carbonyl concentrations were measured in patients grouped in 5-year age intervals (ranging from 56-60 to 86-90). (molvis.org)
• Protein concentration was determined by using a Bradford assay with bovine serum albumin as the standard. (cdc.gov)
• The aim of this study was to evaluate the influence of periodontal disease on the biochemical parameters of the saliva, including salivary flow rate, pH, total protein, alkaline phosphatase activity and urea concentration, in individuals with chronic periodontitis. (bvsalud.org)

0.021

• Whole blood cyanide concentration can vary from 0.02 to 0.5 µg/mL in people without clinical manifestation of acute cyanide toxicity (3). (cdc.gov)

Water2

• Phosphorus (P) in onsite sewage treatment and disposal systems (hereafter referred to as septic systems) is a concern because P can impair water quality at much lower concentrations compared with nitrogen. (ufl.edu)
• Therefore, wastewater P concentration has continued to decline since the Clean Water Act passed in 1972. (ufl.edu)

Total1

• Total P concentration in wastewater is now typically less than 10 mg/L, and many wastewaters often have less than 5 mg/L. (ufl.edu)

Significant1

• During the evaluation, we looked for a significant difference in the concentration of the active substances. (mdpi.com)

Inhibition1

• For inhibition assays, 100 nmol/L of wild-type or mutant MurA was incubated with various concentrations of fosfomycin and 3 mmol/L UNAG at 37°C for 10 min. (cdc.gov)

Collections1

• The highest Pb concentration measured across these collections was approximately 2,500,000 ppm. (cdc.gov)

Chemical1

• 0.05 between chemical concentrations recovered by the RCDM samplers and LF. (serdp-estcp.org)

Higher3

• The Cl 2 concentrations are much higher than those previously measured outside polar regions. (nature.com)
• Older artifacts or those believed to have been traded illegally also had a higher concentration of As. (cdc.gov)
• and (2) at higher concentrations, ion efflux is stimulated. (astm.org)

Blood1

• A case in which the whole blood cyanide concentration is elevated. (cdc.gov)

Found1

• Inorganic ingredients found in cosmetics have been clinically proven to reduce your chance of becoming pregnant. (selfgrowth.com)

Data1

• Provides an Immediately Dangerous to Life or Health Concentrations (IDLHs) document that includes acute toxicity data for arsenic. (osha.gov)

Typically1

• Concentrations of nutrients in snowmelt are typically not constant, particularly during the 'ionic pulse' of the early melt period. (frontiersin.org)

Base1

• Nous avons émis l'hypothèse que les incendies peuvent provoquer une baisse initiale de l'azote organique et de la disponibilité de l'azote inorganique, et de la quantité de biomasse microbienne azotée, ce qui devrait être suivie par la récupération des concentrations d'azote d'avant le feu sur une base de long terme. (afs-journal.org)