EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes


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CAS Number: 130885-09-5
Category:processing aids
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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 FDA/DG SANTE Petitions, Reviews, Notices:
GRN 87 Composite filtration media (diatomaceous earth and perlite) View - notice PDF
1979 Perlite (filter aid) View - review
Physical Properties:
Appearance:light-gray to glassy-black powder or solid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: abrasives
bulking agents
BOC Sciences
For experimental / research use only.
ECSA Chemicals
ECSA Chemicals
ECSA Chemicals
ECSA Chemicals
ECSA Chemicals
ECSA Chemicals
ECSA Chemicals
ECSA Chemicals
Safety Information:
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
processing aids
Recommendation for perlite usage levels up to:
 not for fragrance use.
Recommendation for perlite flavor usage levels up to:
 not for flavor use.
Safety References:
European Food Safety Authority (EFSA) reference(s):

Statement on the safety and efficacy of perlite for ruminants and poultry
View page or View pdf

AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
National Institute of Allergy and Infectious Diseases:Data
EPA/NOAA CAMEO:hazardous materials
Pubchem (sid):135348029
Other Information:
FDA Indirect Additives used in Food Contact Substances:View
HMDB (The Human Metabolome Database):Search
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 not found in nature
 ceramic SIL 32
 dicaperl HP 610
 fuyo lite
 microperl GT 25
 mitsui perlite
 mitsui Perlite B
 nenisanso 3
 ryolex 3
 silbrico 43-23
 topco 54
 topco perlite


PubMed:Characterization of xanthophyll pigments, photosynthetic performance, photon energy dissipation, reactive oxygen species generation and carbon isotope discrimination during artemisinin-induced stress in Arabidopsis thaliana.
PubMed:Salinity alters curcumin, essential oil and chlorophyll of turmeric (Curcuma longa L.).
PubMed:Adsorption-synergic biodegradation of diesel oil in synthetic seawater by acclimated strains immobilized on multifunctional materials.
PubMed:Porosity and distribution of water in perlite from the island of Milos, Greece.
PubMed:Modelling and experimental investigation on the application of water super adsorbents in waste air biofilters.
PubMed:[Effects of different perlite additions on physical and chemical properties of sewage sludge compost and growth of Tagetes patula].
PubMed:Comparison to the scanning electron microscope of professional dental hygiene methods on metal-free layered structures and metal-free monolithic structures processed by different polymerization cycles.
PubMed:Advances in chemical and physical properties of electric arc furnace carbon steel slag by hot stage processing and mineral mixing.
PubMed:Production of thermostable lipase by Thermomyces lanuginosus on solid-state fermentation: selective hydrolysis of sardine oil.
PubMed:Can green roof act as a sink for contaminants? A methodological study to evaluate runoff quality from green roofs.
PubMed:Comparison of effectiveness of abrasive and enzymatic action of whitening toothpastes in removal of extrinsic stains - a clinical trial.
PubMed:Design and development of green roof substrate to improve runoff water quality: plant growth experiments and adsorption.
PubMed:Quantification of fungal abundance on cultural heritage using real time PCR targeting the β-actin gene.
PubMed:Immobilization of a Pleurotus ostreatus laccase mixture on perlite and its application to dye decolourisation.
PubMed:Hexane abatement and spore emission control in a fungal biofilter-photoreactor hybrid unit.
PubMed:Differential accumulation of soluble proteins in roots of metallicolous and nonmetallicolous populations of Agrostis capillaris L. exposed to Cu.
PubMed:Cyprodinil retention on mixtures of soil and solid wastes from wineries. Effects of waste dose and ageing.
PubMed:Removal of odorous compounds from poultry manure by microorganisms on perlite--bentonite carrier.
PubMed:[Establishment of high frequency regeneration via leaf explants of 'Red Sun' kiwifruit (Actinidia chinensis)].
PubMed:Perlite toxicology and epidemiology--a review.
PubMed:Effect of heat treatment around the fruit set region on growth and yield of watermelon [Citrullus lanatus (Thunb.) Matsum. and Nakai].
PubMed:Functional rigidity of a methane biofilter during the temporal microbial succession.
PubMed:Respiratory disease related mortality and morbidity on an island of Greece exposed to perlite and bentonite mining dust.
PubMed:Effect of genetic and phenotypic factors on the composition of commercial marmande type tomatoes studied through HRMAS NMR spectroscopy.
PubMed:Changes in growth, essential oil yield and composition of geranium (Pelargonium graveolens L.) as affected by growing media.
PubMed:Norway spruce (Picea abies) genetic transformation with modified Cry3A gene of Bacillus thuringiensis.
PubMed:In vitro propagation of spine gourd (Momordica dioica Roxb.) and assessment of genetic fidelity of micropropagated plants using RAPD analysis.
PubMed:Step-feed biofiltration: a low cost alternative configuration for off-gas treatment.
PubMed:Observations of limited secondary effects to benthic invertebrates and macrophytes with activated carbon amendment in river sediments.
PubMed:Performance and microbial diversity of aerated trickling biofilter used for treating cheese industry wastewater.
PubMed:[Effect of activated charcoal on rooting in tissue culture seedling of Begonia fimbristipula on Dinghushan Mountain].
PubMed:Enhanced Botrytis cinerea resistance of Arabidopsis plants grown in compost may be explained by increased expression of defense-related genes, as revealed by microarray analysis.
PubMed:Effect of chitosan solution on the inhibition of Acidovorax citrulli causing bacterial fruit blotch of watermelon.
PubMed:Cleaning, abrasion, and polishing effect of novel perlite toothpaste abrasive.
PubMed:Removal of petroleum hydrocarbons from contaminated groundwater by the combined technique of adsorption onto perlite followed by the O3/H2O2 process.
PubMed:Influence of relative humidity on the properties of examined materials by means of inverse gas chromatography.
PubMed:Perlite filtration of phenolic compounds from cigarette smoke.
PubMed:Micropropagation of paradise tree (Melia azedarach) by in vitro culture of axillary buds.
PubMed:Micropropagation of chokeberry by in vitro axillary shoot proliferation.
PubMed:In vitro propagation of jojoba.
PubMed:Biofiltration of a mixture of ethylene, ammonia, n-butanol, and acetone gases.
PubMed:The effect of nitrate on ethylene biofiltration.
PubMed:New filtering antimicrobial nonwovens with various carriers for biocides as respiratory protective materials against bioaerosol.
PubMed:Impact of short-term acidification on nitrification and nitrifying bacterial community dynamics in soilless cultivation media.
PubMed:Utilization of natural zeolite and perlite as landfill liners for in situ leachate treatment in landfills.
PubMed:Cloning, Transformation and Expression of Human Interferon α2b Gene in Tobacco Plant (Nicotiana tabacum cv. xanthi).
PubMed:[Influence of perlite sand on the skin in experiment].
PubMed:Diaporthaceae associated with root and crown rot of maize.
PubMed:Cryopreservation of cryosensitive basidiomycete cultures by application and modification of perlite protocol.
PubMed:A Box-Behnken design for determining the optimum experimental condition of the fungicide (Vapam) sorption onto soil modified with perlite.
PubMed:Preferences in removal of aliphatic and aromatic gasoline components by biofiltration under varied loading.
PubMed:Micropropagation of Cyclopia genistoides, an endemic South African plant of economic importance.
PubMed:Lipases production by solid-state fermentation: the case of Rhizopus homothallicus in perlite.
PubMed:Removal of Cryptosporidium and polystyrene microspheres from swimming pool water with sand, cartridge, and precoat filters.
PubMed:Growth and mineral acquisition response of grapevine rootstocks (Vitis spp.) to inoculation with different strains of plant growth-promoting rhizobacteria (PGPR).
PubMed:Enhancing ethylbenzene vapors degradation in a hybrid system based on photocatalytic oxidation UV/TiO2-In and a biofiltration process.
PubMed:The mobilization of defence mechanisms in the early stages of pea seed germination against Ascochyta pisi.
PubMed:Performance of innovative PU-foam and natural fiber-based composites for the biofiltration of a mixture of volatile organic compounds by a fungal biofilm.
PubMed:Preparation and evaluation of a chrysotile asbestos-containing standard material for validating x-ray diffractometric quantitation.
PubMed:Acoustical properties of double porosity granular materials.
PubMed:Long-term performance of passive materials for removal of ozone from indoor air.
PubMed:Benzoxazolin-2(3H)-one (BOA) induced changes in leaf water relations, photosynthesis and carbon isotope discrimination in Lactuca sativa.
PubMed:Catalytic pyrolysis of car tire waste using expanded perlite.
PubMed:Nitrate-removal activity of a biofilm attached to a perlite carrier under continuous aeration conditions.
PubMed:Kinetics and mechanism of arsenate removal by nanosized iron oxide-coated perlite.
PubMed:Effect of toothpaste containing d-limonene on natural extrinsic smoking stain: a 4-week clinical trial.
PubMed:Cadmium induces hypodermal periderm formation in the roots of the monocotyledonous medicinal plant Merwilla plumbea.
PubMed:The effect of bed properties on methane removal in an aerated biofilter--model studies.
PubMed:Characterization of the response to moisture of talc and perlite in the environmental scanning electron microscope.
PubMed:Effect of long-term preservation of basidiomycetes on perlite in liquid nitrogen on their growth, morphological, enzymatic and genetic characteristics.
PubMed:Enhanced hexadecane degradation and low biomass production by Aspergillus niger exposed to an electric current in a model system.
PubMed:Effect of organic matter additions on uptake of weathered DDT by Cucurbita pepo ssp. pepo cv. Howden.
PubMed:Preparation of bioinorganic fertilizing media by adsorption of humates on glassy aluminosilicates.
PubMed:Selection of low cost materials for the sorption of copper and herbicides as single or mixed compounds in increasing complexity matrices.
PubMed:Relationship between photosynthetic capacity, nitrogen assimilation and nodule metabolism in alfalfa (Medicago sativa) grown with sewage sludge.
PubMed:Removal of saturated aliphatic hydrocarbons (gasoline components) from air via bacterial biofiltration.
PubMed:Wheat (Triticum aestivum L.) response to a zinc fertilizer applied as zinc lignosulfonate adhered to a NPK fertilizer.
PubMed:Colon-specific drug delivery behavior of pH-responsive PMAA/perlite composite.
PubMed:Differentiation of metallicolous and non-metallicolous Salix caprea populations based on phenotypic characteristics and nuclear microsatellite (SSR) markers.
PubMed:Co-composting of solid and liquid olive mill wastes: management aspects and the horticultural value of the resulting composts.
PubMed:Indoor wet cells harbour melanized agents of cutaneous infection.
PubMed:[Effects of substrate-aeration cultivation pattern on tomato growth].
PubMed:Cellulase production by Aspergillus niger in biofilm, solid-state, and submerged fermentations.
PubMed:Acute expanded perlite exposure with persistent reactive airway dysfunction syndrome.
PubMed:Localized application of soil organic matter shifts distribution of cluster roots of white lupin in the soil profile due to localized release of phosphorus.
PubMed:Biodegradation of gas-phase styrene using the fungus Sporothrix variecibatus: impact of pollutant load and transient operation.
PubMed:[Study on the soft-wood cutting of Atractylodes macrocephala].
PubMed:Adsorption of Ag, Cu and Hg from aqueous solutions using expanded perlite.
PubMed:Dark exposure of petunia cuttings strongly improves adventitious root formation and enhances carbohydrate availability during rooting in the light.
PubMed:Efficacy of microorganisms selected from compost to control soil-borne pathogens.
PubMed:On-farm production of inoculum of indigenous arbuscular mycorrhizal fungi and assessment of diluents of compost for inoculum production.
PubMed:Two-stage gas-phase bioreactor for the combined removal of hydrogen sulphide, methanol and alpha-pinene.
PubMed:Generation of hermaphrodite transgenic papaya lines with virus resistance via transformation of somatic embryos derived from adventitious roots of in vitro shoots.
PubMed:[Tissue culture and plant regeneration of Ardisia crenata].
PubMed:Biotreatment and bioassessment of heavy metal removal by sulphate reducing bacteria in fixed bed reactors.
PubMed:Efficiency of a NPK fertilizer with adhered zinc lignosulfonate as a zinc source for maize (Zea mays L.).
PubMed:Comparison of effects of compost amendment and of single-strain inoculation on root bacterial communities of young cucumber seedlings.
PubMed:Competitive adsorption of Cu (II), Co (II) and Ni (II) from their binary and tertiary aqueous solutions using chitosan-coated perlite beads as biosorbent.
PubMed:Assessment of solid reactive mixtures for the development of biological permeable reactive barriers.
PubMed:Soil-less bioassays for early screening for resistance to imazapyr in sunflower (Helianthus annuus L.).
PubMed:Wool-waste as organic nutrient source for container-grown plants.
PubMed:Hydrophobic response of the fungus Rhinocladiella similis in the biofiltration with volatile organic compounds with different polarity.
PubMed:Performance of a biofilter for the removal of high concentrations of styrene under steady and non-steady state conditions.
PubMed:Contaminated soil phytoremediation by Cyperus laxus Lam. cytochrome p450 EROD-activity induced by hydrocarbons in roots.
PubMed:A laboratory-scale comparison of compost and sand--compost--perlite as methane-oxidizing biofilter media.
PubMed:Nitrogen availability in composted poultry litter using natural amendments.
PubMed:Oil palm waste and synthetic zeolite: an alternative soil-less growth substrate for lettuce production as a waste management practice.
PubMed:Adsorption of thorium from aqueous solutions by perlite.
PubMed:Selection of woody species for wastewater enhancement and restoration of riparian woodlands.
PubMed:Optimizing regeneration condition in chickpea (Cicer arietinum L.).
PubMed:Evolution of arsenate toxicity in nodulated white lupine in a long-term culture.
PubMed:Removal of volatile organic compounds by natural materials during composting of poultry litter.
PubMed:Experimental analysis and modeling of a stormwater perlite filter.
PubMed:Use of Mycobacterium austroafricanum IFP 2012 in a MTBE-degrading bioreactor.
PubMed:Covalent immobilization of Drosophila acetylcholinesterase for biosensor applications.
PubMed:Heavy metals in sediments from canals for water supplying and drainage: mobilization and control strategies.
PubMed:Reducing airborne ectomycorrhizal fungi and growing non-mycorrhizal loblolly pine (Pinus taeda L.) seedlings in a greenhouse.
PubMed:Toluene gas phase biofiltration by Paecilomyces lilacinus and isolation and identification of a hydrophobin protein produced thereof.
PubMed:Influence of synthetic packing materials on the gas dispersion and biodegradation kinetics in fungal air biofilters.
PubMed:Organic phase synthesis of ethyl oleate using lipases produced by solid-state fermentation.
PubMed:Fungal removal of gaseous hexane in biofilters packed with poly(ethylene carbonate) pine sawdust or peat composites.
PubMed:The measurement of enamel wear by four toothpastes.
PubMed:Changes in soil properties and in the growth of Lolium multiflorum in an acid soil amended with a solid waste from wineries.
PubMed:Capability of selected crop plants for shoot mercury accumulation from polluted soils: phytoremediation perspectives.
PubMed:Performance of inverse anaerobic fluidized bed reactor for treating high strength organic wastewater during start-up phase.
PubMed:Long-term maintenance of fungal cultures on perlite in cryovials - an alternative for agar slants.
PubMed:Evaluation of inverse anaerobic fluidized bed reactor for treating high strength organic wastewater.
PubMed:Dispersion of chitosan on perlite for enhancement of copper(II) adsorption capacity.
PubMed:Ozone catalysed with solids as an advanced oxidation process for landfill leachate treatment.
PubMed:Covalent attachment of cholesterol oxidase and horseradish peroxidase on perlite through silanization: activity, stability and co-immobilization.
PubMed:Cryopreservation of filamentous micromycetes and yeasts using perlite.
PubMed:Formulation of stable Bacillus subtilis AH18 against temperature fluctuation with highly heat-resistant endospores and micropore inorganic carriers.
PubMed:Subcellular compartmentalisation of cadmium in white lupins determined by energy-dispersive X-ray microanalysis.
PubMed:Adsorption characteristics of Cu(II) and Pb(II) onto expanded perlite from aqueous solution.
PubMed:Selection of a support matrix for the removal of some phenoxyacetic compounds in constructed wetlands systems.
PubMed:Use of municipal solid waste compost (MSWC) as a growing medium in the nursery production of tomato plants.
PubMed:Comparison of different packing materials for the biofiltration of air toxics.
PubMed:Basidiomycete cultures on perlite survive successfully repeated freezing and thawing in cryovials without subculturing.
PubMed:Fungal biofiltration of alpha-pinene: effects of temperature, relative humidity, and transient loads.
PubMed:Review of the extrinsic stain removal and enamel/dentine abrasion by a calcium carbonate and perlite containing whitening toothpaste.
PubMed:Laboratory column study for remediation of MTBE-contaminated groundwater using a biological two-layer permeable barrier.
PubMed:Growth responses of scots pine seedlings grown in peat-based media amended with natural zeolite.
PubMed:Presence of opportunistic oil-degrading microorganisms operating at the initial steps of oil extraction and handling.
PubMed:The hydrodynamic filter separator for removal of urban storm runoff.
PubMed:Autotrophic denitrification and chemical phosphate removal of agro-industrial wastewater by filtration with granular medium.
PubMed:Basidiomycete cryopreservation on perlite: evaluation of a new method.
PubMed:In sacco studies of conjugated linoleic acid production from various oils in the rumen of sheep.
PubMed:Use of perlite in cadmium plant studies: an approach to polluted soil conditions.
PubMed:The measurement of enamel wear of two toothpastes.
PubMed:Kenaf (Hibiscus cannabinus L.) core and rice hulls as components of container media for growing Pinus halepensis M. seedlings.
PubMed:Characteristics of styrene degradation by Rhodococcus pyridinovorans isolated from a biofilter.
PubMed:Quantitative sampling method for fungus gnat (Diptera: Sciaridae) eggs in soilless growing media.
PubMed:The effect of surface modification of a porous TiO2/perlite composite on the ingrowth of bone tissue in vivo.
PubMed:Biofiltration for mitigation of methane emission from animal husbandry.
PubMed:Adsorption of CTAB onto perlite samples from aqueous solutions.
PubMed:In vitro efficacy of a whitening toothpaste containing calcium carbonate and perlite.
PubMed:The measurement of enamel and dentine abrasion by tooth whitening products using an in situ model.
PubMed:The effect of a calcium carbonate/perlite toothpaste on the removal of extrinsic tooth stain in two weeks.
PubMed:Interactions between C.I. Basic Blue 41 and aluminosilicate sorbents.
PubMed:Start-up and long-term performance of a gas phase biofilter packed with an inert carrier.
PubMed:Removal of n-hexane by Fusarium solani with a gas-phase biofilter.
PubMed:Effect of an arbuscular mycorrhizal fungus, Glomus mosseae, and a rock-phosphate-solubilizing fungus, Penicillium thomii, on Mentha piperita growth in a soilless medium.
PubMed:Improvement of the hydrocarbon phytoremediation rate by Cyperus laxus Lam. inoculated with a microbial consortium in a model system.
PubMed:Improving hexane removal by enhancing fungal development in a microbial consortium biofilter.
PubMed:Magnesium-content of Rhizobium nodules in different plants: the importance of magnesium in nitrogen-fixation of nodules.
PubMed:In vitro behavior of a porous TiO2/perlite composite and its surface modification with fibronectin.
PubMed:Sudden increase in atmospheric CO2 concentration reveals strong coupling between shoot carbon uptake and root nutrient uptake in young walnut trees.
PubMed:Effect of toothpaste with natural calcium carbonate/perlite on extrinsic tooth stain.
PubMed:Effects of periods of nonuse and fluctuating ammonia concentration on biofilter performance.
PubMed:Microbial populations and activities in the rhizoplane of rock-weathering desert plants. II. Growth promotion of cactus seedlings.
PubMed:Enhanced post-germinative growth of encapsulated somatic embryos of Siberian ginseng by carbohydrate addition to the encapsulation matrix.
PubMed:Kinetics and mechanism of removal of methylene blue by adsorption onto perlite.
PubMed:Method for quantitative sampling of fungus gnat larvae in soilless growing media.
PubMed:Biofiltration of waste gases containing a mixture of formaldehyde and methanol.
PubMed:Interactive effects of temperature and heavy metal stress on the growth and some biochemical compounds in wheat seedlings.
PubMed:Agrobacterium rhizogenes vs auxinic induction for in vitro rhizogenesis of Prosopis chilensis and Nothofagus alpina.
PubMed:Mycelial production, spread and root colonisation by the ectomycorrhizal fungi Hebeloma crustuliniforme and Paxillus involutus under elevated atmospheric CO2.
PubMed:Development of a terrestrial vertebrate model for assessing bioavailability of cadmium in the fence lizard (Sceloporus undulatus) and in ovo effects on hatchling size and thyroid function.
PubMed:Cellulosic building insulation versus mineral wool, fiberglass or perlite: installer's exposure by inhalation of fibers, dust, endotoxin and fire-retardant additives.
PubMed:Removal of methyl violet from aqueous solution by perlite.
PubMed:Controlled-release systems for the delivery of cyromazine into water surface.
PubMed:Removal of heavy metals from a metaliferous water solution by Typha latifolia plants and sewage sludge compost.
PubMed:Effects of litter addition on ectomycorrhizal associates of a lodgepole pine (Pinus contorta) stand in Yellowstone National Park.
PubMed:The potential of NO3--N utilization by a woody shrub species Lindera triloba: a cultivation test to estimate the saturation point of soil NO3--N for plants.
PubMed:Mite growth on fungus under various environmental conditions and its potential application to biofilters.
PubMed:Production of herbicide-resistant transgenic Panax ginseng through the introduction of the phosphinothricin acetyl transferase gene and successful soil transfer.
PubMed:Suppression of Pythium spp. by Trichoderma spp. during germination of tomato seeds in soilless growing media.
PubMed:Adsorption kinetics of methyl violet onto perlite.
PubMed:Comparison of natural adsorbents for metal removal from acidic effluent.
PubMed:The ectomycorrhizal symbiosis between Lactarius deliciosus and Pinus sylvestris in forest soil samples: symbiotic efficiency and development on roots of a rDNA internal transcribed spacer-selected isolate of L. deliciosus.
PubMed:Electroadsorption of acilan blau dye from textile effluents by using activated carbon-perlite mixtures.
PubMed:A comparative study of the removal of trivalent chromium from aqueous solutions by bentonite and expanded perlite.
PubMed:Mn2+ alters peroxidase profiles and lignin degradation by the white-rot fungus Pleurotus ostreatus under different nutritional and growth conditions.
PubMed:The effect of heavy metals on the total protein concentration of Typha latifolia plants, growing in a substrate containing sewage sludge compost and watered with metaliferus wastewater.
PubMed:Adsorption of cadmium from aqueous solutions by perlite.
PubMed:Effects of four prophylaxis pastes on surface roughness of a composite, a hybrid ionomer, and a compomer restorative material.
PubMed:Survival of several Rhizobium/Bradyrhizobium strains on different inoculant formulations and inoculated seeds.
PubMed:Optimization of nutrient supply in a downflow gas-phase biofilter packed with an inert carrier.
PubMed:Root zone calcium modulates the response of potato plants to heat stress.
PubMed:Dynamic bioreactor operation: Effects of packing material and mite predation on toluene removal from off-gas.
PubMed:Adsorption of p-chlorophenol from aqueous solutions on bentonite and perlite.
PubMed:Advances in abrasive technology--prophylaxis pastes.
PubMed:Co-inoculation with Bacillus sp. CECT 450 improves nodulation in Phaseolus vulgaris L.
PubMed:Biofilters based on the action of fungi.
PubMed:Effect of bulking agent on the reduction of NH3 emissions during thermophilic composting of night-soil sludge.
PubMed:Cryopreservation of basidiomycete strains using perlite.
PubMed:The start-up period of styrene degrading biofilters.
PubMed:Flue gas desulfurization by-products additions to acid soil: alfalfa productivity and environmental quality.
PubMed:Perlite exposure and 4-year change in lung function.
PubMed:Transcript and activity levels of different Pleurotus ostreatus peroxidases are differentially affected by Mn2+.
PubMed:Successful propagation in vitro of apple rootstock MM106 and influence of phloroglucinol.
PubMed:Treatment of wastewater by natural systems.
PubMed:Composted grape marc as growing medium for hypostases (Hypostases phyllostagya).
PubMed:Biological removal of gaseous ammonia in biofilters: space travel and earth-based applications.
PubMed:A new method for yeast recovery in batch ethanol fermentations: filter aid filtration followed by separation of yeast from filter aid using hydrocyclones.
PubMed:Morphology and structure of various phases at the bonding interface of Al/steel formed by explosive welding
PubMed:A simplified material and energy balance approach for process development and scale-up of Coniothyrium minitans conidia production by solid-state cultivation in a packed-bed reactor.
PubMed:[The influence of the water potential in the root-habitable area on the efficiency of the higher-order plants].
PubMed:VOC elimination in a compost biofilter using a previously acclimated bacterial inoculum.
PubMed:Nanogram amounts of salicylic acid produced by the rhizobacterium Pseudomonas aeruginosa 7NSK2 activate the systemic acquired resistance pathway in bean.
PubMed:Influence of biomass accumulation on bed expansion characteristics of a down-flow anaerobic fluidized-bed reactor.
PubMed:Surface Titrations of Perlite Suspensions.
PubMed:The regulation of crystalline silica: an industry perspective.
PubMed:Identification of colletotrichum species responsible for anthracnose and root necrosis of strawberry in Israel.
PubMed:Performance of a styrene-degrading biofilter containing the yeast Exophiala jeanselmei.
PubMed:Effect of Cutting Age on the Resistance of Prunus cerasifera (Myrobalan Plum) to Meloidogyne arenaria.
PubMed:In vitro regeneration of Pacific silver fir (Abies amabilis) plantlets and histological analysis of shoot formation.
PubMed:Sexual expression in container-grown jack pine seedlings.
PubMed:[Growth and survival of Azospirillum in roots and maize rhizospheres with different levels of acidity].
PubMed:[Prophylaxis pastes--the new abrasive Perlit compared to conventional polishing substances].
PubMed:Peculiarities of moisture transfer in capillary-porous soil substitutes during space flight.
PubMed:Preparations for CELSS flight experiments with wheat.
PubMed:Design and performance of a trickling air biofilter for chlorobenzene and o-dichlorobenzene vapors.
PubMed:Preparation of perlite-based magnesium perchlorate desiccant with colour indicator.
PubMed:Somatic embryogenesis and plant regeneration in Quercus acutissima.
PubMed:Preparation of perlite-based carbon dioxide absorbent.
PubMed:90Sr uptake by Pinus ponderosa and Pinus radiata seedlings inoculated with ectomycorrhizal fungi.
PubMed:Stabilization of pH in solid-matrix hydroponic systems.
PubMed:Biofiltration of methanol vapor.
PubMed:Comparison of the efficacy of prophylaxis pastes with conventional abrasives or a new self-adjusting abrasive.
PubMed:Effects of various types of aluminosilicates and aflatoxin B1 on aflatoxin toxicity, chick performance, and mineral status.
PubMed:Production of Colletotrichum truncatum for use as a mycoherbicide: effects of culture, drying and storage on recovery and efficacy.
PubMed:Self-adjusting abrasiveness: a new technology for prophylaxis pastes.
PubMed:[Method of producing fusarin C in perlite-liquid culture medium].
PubMed:In vitro plant regeneration from cotyledon and hypocotyl segments in two bell pepper cultivars.
PubMed:New procedures to enhance survival of third-instar Hypoderma lineatum (Villers) (Diptera: Oestridae) in artificial media.
PubMed:A novel process for preparing an acellular pertussis vaccine composed of non-pyrogenic toxoids of pertussis toxin and filamentous hemagglutinin.
PubMed:The toxic effect of lead on seed germination, growth, chlorophyll and protein contents of wheat and lens.
PubMed:Effects of photochemical smog and mineral nutrition on ponderosa pine seedlings.
PubMed:[Hygienic evaluation of hydrophobic turgid Perlite and the materials of powder composition used in water supply systems].
PubMed:Perlite and other 'nuisance' dusts.
PubMed:Plant regeneration from cotyledon-hypocotyl explants of Pinus strobus L.
PubMed:Nitrate reductase of primary roots of red spruce seedlings : effects of acidity and metal ions.
PubMed:Symbiotic Effectiveness and Host-Strain Interactions of Rhizobium fredii USDA 191 on Different Soybean Cultivars.
PubMed:Study of chest radiographs and pulmonary ventilatory function in perlite workers.
PubMed:NMR imaging shows water distribution and transport in plant root systems in situ.
PubMed:Twenty-eight week toxicity study of perlite powder in mice.
PubMed:Reclamation of bentonite mined lands in the northern great plains.
PubMed:Expression of Nitrate and Nitrite Reductase Activities under Various Forms of Nitrogen Nutrition in Phaseolus vulgaris L.
PubMed:A small animal model study of perlite and fir bark dust on guinea pig lungs.
PubMed:Nitrate and Nitrite Reduction in Relation to Nitrogenase Activity in Soybean Nodules and Rhizobium japonicum Bacteroids.
PubMed:Uptake of Zn++ and aflatoxin from perlite and liquid culture by Zea mays seedlings.
PubMed:Ion balance, uptake, and transport processes in n(2)-fixing and nitrate- and urea-dependent soybean plants.
PubMed:Increase in Internode Length of Phaseolus lunatus L. Caused by Inoculation with a Nitrate Reductase-deficient Strain of Rhizobium sp.
PubMed:A comparison of aerosol sampling techniques: "open" versus "closed-face" filter cassettes.
PubMed:[An experimental study on fibrogenesity of the oil absorbant particles made of perlite expanded (author's transl)].
PubMed:[Preparation of extracellular ribonuclease from Bacillus subtilis].
PubMed:Studies of fluoride absorption by plants grown in perlite.
PubMed:Pulmonary function in perlite workers.
PubMed:Radiographic survey of perlite workers.
PubMed:[Mineralological characteristics of aerosols in the extraction and processing of perlite].
PubMed:[Industrial hygiene in the production of new types of light concrete (perlite, vermiculite and other concretes) on the basis of artificial porous aggregates].
PubMed:[The production and use in construction work of expanded perlite, from the viewpoint of industrial hygiene].
PubMed:Non-existence of an optimum leaf area index for the production rate of white clover grown under constant conditions.
None found
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