Silica. Medical search. Frequent questions

Silica is divided into two main groups, crystalline silica and amorphous silica (non-crystalline silica). (cdc.gov)
Some forms of amorphous silica are used as food additives, food wrappings, toothpaste and cosmetics. (cdc.gov)
How can amorphous silica affect my health? (cdc.gov)
There are no known health effects from exposure to amorphous silica at the levels found in the environment or in commercial products (food additives and wrapping, toothpaste and cosmetics). (cdc.gov)
A few reports suggest that amorphous silica can cause respiratory dieases (but no silicosis) in workers. (cdc.gov)
Can amorphous silica cause cancer? (cdc.gov)
Studies of amorphous silica in workers and lab animals have not found cancer. (cdc.gov)
Federal and international agencies have not made any conclusions on whether amorphous silica can cause cancer. (cdc.gov)
As the USDA describes, amorphous silica has "highly unique physical and chemical properties and potential as an additive for various processing industries. (mis-asia.com)
Biogenic amorphous silica (bASi) pools in soils are in the range of 0-6% and are suggested to help plants to resist drought. (nature.com)
Amorphous silica, such as glass or diatomaceous earth, does not have a crystalline structure and does not cause silicosis. (msdmanuals.com)

Workers in certain industries are exposed to much higher levels of silica than the general population. (cdc.gov)
In our youth, our tissues absorb and maintain high levels of silica - enabling our bodies to remain flexible, resilient, and energetic. (nexusmagazine.com)
Research show that without adequate levels of silica, the body cannot maintain optimum skin elasticity, strong hair, nails, teeth and gums. (nexusmagazine.com)
Many are burned to produce electricity, and the ash that's left over contains high levels of silica. (materialstoday.com)
By analyzing decades of federal regulatory data, NPR and Frontline found thousands of instances where miners were working amid dangerous levels of silica. (wgbh.org)

The longer workers have been exposed to silica dust, the worse the symptoms will become. (worksafebc.com)
It is estimated that globally, 40 to 50 million workers are exposed to silica dust in the workplace. (trolex.com)
People who work in jobs where they are exposed to silica dust are at risk. (medlineplus.gov)

These studies show that workers breathing small crystalline silica particles for a long time (typically years) can develop silicosis, a serious lung disease . (cdc.gov)
Crystalline silica is the only compound that causes silicosis. (cdc.gov)
Silica dust can cause silicosis, a serious and irreversible lung disease. (worksafebc.com)
Workers who inhale these very small crystalline silica particles are at increased risk of developing serious silica-related diseases, including silicosis, a serious lung disease that can lead to disability and death. (3m.com)
A scientific report from nature.com highlights the difference between engineered stone and natural stone, in relation to their silica content, shedding some light on where the cause of silicosis could lie in the stone industry. (trolex.com)
Silicosis is one of the most dangerous respirable lung diseases in the workplace, especially when exposure to harmful silica dust is a common occurrence, such as in the stone industry. (trolex.com)
The Natural Stone Institute guide to awareness and prevention of silicosis determines that exposure to respirable crystalline silica (RCS), specifically in the stone industry comes from cutting or grinding materials, most commonly which contain quartz, is composed of silica dust. (trolex.com)
Being aware that harmful silica dust is higher within engineered stone, compared to natural stone, and by monitoring for this, as well as using correct respirable protective equipment (RPE) when working with engineered stone, it allows for correct precautions to be taken to avoid silicosis. (trolex.com)
We've developed the world's first real-time silica monitor, the Air XS Silica Monitor , and, along with other health and safety controls, this is one of the tools that will help to prevent occupational silicosis for those exposed to harmful silica dust in the workplace. (trolex.com)
Citing new studies finding that silica-exposed workers who do not have silicosis and who do not smoke still have increased rates of death from lung mortality, they advocate a new rule lowering the permissible occupational exposure for the estimated 2.2 million US workers currently exposed to silica. (science20.com)
Since low-dose computed tomography scanning has been proven to be an effective screening method for lung cancer, the authors recommend that clinicians ask about occupational history to determine if silica exposure has occurred, and if it has, that extra attention might be given to the early detection of silicosis and lung cancer, as well as extra emphasis on quitting smoking. (science20.com)
Silicosis is a lung disease caused by breathing in (inhaling) silica dust. (medlineplus.gov)
Chronic silicosis results from long-term exposure (more than 20 years) to low amounts of silica dust. (medlineplus.gov)
Accelerated silicosis occurs after exposure to larger amounts of silica over a shorter period of time (3 to 10 years). (medlineplus.gov)
Acute silicosis results from short-term exposure to very large amounts of silica. (medlineplus.gov)
Silicosis has become less common since the Occupational Safety and Health Administration (OSHA) created regulations requiring the use of protective equipment, which limits the amount of silica dust workers inhale. (medlineplus.gov)
Silicosis is permanent scarring of the lungs caused by inhaling silica (quartz) dust. (msdmanuals.com)
Silicosis is caused by inhalation of tiny particles of crystalline silica (usually quartz). (msdmanuals.com)

However, most silica particles encountered by the general population in air are too big (non-respirable) to breathe into the lungs and cause problems. (cdc.gov)
For example, activities like blasting, cutting, drilling or grinding materials that contain silica can cause workers to breathe air containing small particles (respirable) of silica dust. (cdc.gov)
If children were exposed to large amounts of small crystalline silica particles, as might occur during child labor in developing countries, they would likely be at risk for similar health effects as adults. (cdc.gov)
prolonged (long-term) inhalation of crystalline silica particles that are small enough to reach the lungs increase the risk for getting lung cancer. (cdc.gov)
Silica production is a form of "nanotechnology," which involves making material into tiny particles between 1 and 100 nanometers. (mis-asia.com)
The properties of colloidal silica prepared from fumed silica powder by milling and dispersion depend on the starting silica source and it is relatively difficult to obtain monodispersed particles using this method. (scirp.org)
Ultimately, the report concluded that the higher the silica content of the stone, as well as the smaller size of RCS particles, the more dangerous it is to respirable health. (trolex.com)
Cohen says that up to now there has been indirect evidence of the link, but his study went further - testing lung tissue samples for the concentration of silica particles. (wgbh.org)
As the mining machines operate, the quartz in the sandstone turns into sharp silica particles that are easily inhaled and can lodge in the lungs permanently. (wgbh.org)

For its part, the National Mining Association, a trade association for mining companies and equipment makers, has argued that the amount of silica found in mine dust samples has decreased in recent years, and has urged regulators to allow mining companies to use personal protective equipment as a strategy to comply with any new silica standard. (wgbh.org)
In this article, we discuss how the evolution of silicon-using sponges, as well as tiny organisms called zooplankton and algae, have changed the amount of silica in the world's oceans through geologic time. (lu.se)

How does Respirable Crystalline Silica Dust Exposure Occur? (3m.com)
Activities such as abrasive blasting with silica sand, sawing brick or concrete, sanding or drilling into concrete walls, grinding mortar, manufacturing brick, concrete blocks, stone countertops , or ceramic products, and cutting or crushing stone can result in worker exposures to respirable crystalline silica dust. (3m.com)

The most effective measures for the control of occupational silica exposures include banning sandblasting, substituting metal grits for abrasive blasting, modifying processes and equipment, and controlling dust transmission by using enclosures, air curtains, water spray, and ventilation techniques, and the use of personal protective equipment. (science20.com)
What's more, the investigation found, federal regulators knew about excessive and toxic mine dust exposures but didn't act - retaining an old regulatory standard for mining dust that doesn't directly address silica. (wgbh.org)
Title : Evaluation of silica exposures during dowel drilling Personal Author(s) : Grant, Michael P. Corporate Authors(s) : National Institute for Occupational Safety and Health. (cdc.gov)

Hydrated silica can be dehydrated to produce silica gel[citation needed], which is used as a desiccant. (wikipedia.org)
As we age, our body's natural ability to produce silica steadily declines. (nexusmagazine.com)
While the new process could be used to produce silica and silicon-containing chemicals from many types of agricultural waste, Laine focused on using the hulls left over from processing rice. (materialstoday.com)

For information on protecting workers from harmful exposure to silica dust, see the resources section below, which includes a silica control tool. (worksafebc.com)
The best way to reduce the risk of exposure to silica dust is to eliminate the source of exposure. (worksafebc.com)
Washington - A majority of workers who died from silica-related lung disease were employed in occupations in which exposure to silica dust is prevalent, according to a report from the Centers for Disease Control and Prevention. (safetyandhealthmagazine.com)

Hydrated silica is a useful abrasive in toothpastes because it does not chemically interact with other active ingredients, especially sodium fluoride. (wikipedia.org)
These tools should be considered as part of the available engineering controls and containment methods such as abrasive blast cleaning machines and cabinets, wet drilling, or wet sawing of silica-containing materials to help control the hazard and protect adjacent workers from exposure. (3m.com)
They're used to polish the silicon wafers that go into electronics, to strengthen tires, to make white paints and paper, as an abrasive in toothpaste, and in the countless tiny packets of silica gel beads used to absorb moisture in packaging for new products. (materialstoday.com)

Depending on the structure of silica, it can appear as a clear, odourless, crystalline or amorphous powder (sometimes called silica powder). (mis-asia.com)

Many studies in workers have looked into possible relationships between crystalline silica exposure and harmful health effects. (cdc.gov)
A joint OSHA and National Institute for Occupational Safety and Health Hazard Alert defines dust control measures to protect workers from significant crystalline silica exposure during manufacturing, finishing, and installing natural and manufactured stone countertops, leading types of which bear 60-95 percent silica content. (concreteproducts.com)

The most common type of crystalline silica is quartz. (cdc.gov)
Hydrated silicas can be categorized into three main categories based on differences in crystallinity: Hydrated silicate glass (Lowest crystallinity) Opal Microcrystalline quartz (Highest crystallinity) One of the most common ways to detect and identify hydrated silicas in laboratory is through near infrared and thermal infrared spectroscopy. (wikipedia.org)
Crystalline silica is a naturally occurring mineral most commonly found as quartz. (worksafebc.com)
Occurring in nature in the form of quartz and a major constituent of sand, silica is a very common mineral found in plants and animals. (lush.com)
As quartz crystals, silica is impressively electric and ubiquitous in modern technology (think sonar, radios, telephones, ultrasound, and cheap but precise watches). (lu.se)
The results of this study concluded that silica dust emissions from engineered stones had a much higher concentration of quartz and cristobalite, therefore having a higher silica content and subsequently more damaging impact on respiratory health. (trolex.com)
This interface is created as it simulates a shale model which in reality is made up of clay (kaolinite) and quartz-like (silica) materials. (aiche.org)

Herein, we study the interfacial phenomenon of methane adsorption on Silica-Kaolinite interface. (aiche.org)
The adsorption of methane was studied at three different positions on the Silica-Kaolinite interface namely, silica-dominated region, interface region, and kaolinite-dominated region. (aiche.org)
The water-stable alumino-silica gel Sorbead ® WS - constituted through additional process steps - is especially rugged and used as a protective layer against liquid carry-over into the adsorption towers. (basf.com)
Siirtec Nigi, with a considerable experience in silica gel based gas dewpointing plants, has been awarded by Gazkomplektimpex Co. Ltd, a 100 percent subsidiary of Gazprom, to implement the largest gas dehydration and hydrocarbon removal plant based on adsorption technology in the world to be located at the Portovaya Compression Station near the Russian town of Vyborg. (basf.com)
The FIA method determines saturated hydrocarbons, olefins and aromatic hydrocarbons of a sample chromatographically by adsorption and desorption in a column filled with FIA silica, in the presence of a fluorescent dye mixture. (thomassci.com)
Adsorption of beta-casein to hydrophilic silica surfaces. (lu.se)

Colloidal silica can be prepared by various methods and starting materials including ion exchange of aqueous silicates, hydrolysis and condensation of silicon compounds, direct oxidation of silicon, and milling and peptization of silica powder. (scirp.org)
Colloidal silica prepared from silicon by direct oxidation has a monodispersed spherical shape and purity control with reasonable prices. (scirp.org)
A careful comparison of colloidal silica and the preparation methods may help in choosing the proper colloidal silica that is the most appropriate for the application being considered. (scirp.org)
M.-S. Tsai, P. Y. Huang and W.-C. Wu, "The Study of Formation Process of Colloidal Silica from Sodium Silicate," Materials Research Bulletin, Vol. 40, No. 9, 2005, pp. 1609-1616. (scirp.org)
Y.-K. Lee, Y. R. Yoon and H.-K. Rhee, "Preparation of Colloidal Silica Using Peptization Method," Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 173, No. 1, 2000, pp. 109-116. (scirp.org)
H. M. Lim, H. C. Shin, S. H. Huh and S. H. Lee, "Effect of Catalyst on the Colloidal Silica Particle Growth in Direct Oxidation of Silicon," Solid State Phenomena, Vol. 124-126, 2007, pp. 667-670. (scirp.org)

As workers breathe in the dust the silica settles in their lungs. (worksafebc.com)
The study, which examined the lungs of modern miners and compared them to miners who worked decades ago, provides the first evidence of its kind that silica dust is responsible for the rising tide of advanced disease, including among miners in Appalachia. (wgbh.org)
Among their findings was that the more-contemporary workers - those born after 1930 - had more silica in their lungs than the miners who were born between 1910 and 1930. (wgbh.org)
The silica dust causes swelling in the lungs and chest lymph nodes. (medlineplus.gov)

IEEE Spectrum , 3 Feb. 2023 It is also known as silica sand, silica gel , or crystal cat litter. (merriam-webster.com)
Lorraine Wilde, Treehugger , 23 Jan. 2023 Technically, silica gel packets are desiccants - the broader category of materials that suck up moisture. (merriam-webster.com)

Hydrated silica compounds, such as hydrated silica aluminate (HSA), can be combined with traditional flame retardants, such as magnesium hydroxide and aluminium hydroxide, to increase their effectivity. (wikipedia.org)
The vapor phase silica aggregates with the untreated surface are aggregates containing multiple -Oh compounds, which can easily form a uniform three-dimensional network structure (hydrogen bond) in the liquid system. (mis-asia.com)
I think eventually, we'll be producing high-purity silica and other silicon compounds right next to the rice fields. (materialstoday.com)
Silicon-based compounds such as precipitated silica are essential for many products that we use every day. (materialstoday.com)
That could soon change, though, thanks to a new technology from the University of Michigan that can produce the same silica compounds from agricultural waste. (materialstoday.com)
Developed by Richard Laine, a professor of materials science and engineering, the new production process could save approximately six tons of carbon emissions per ton of silica compounds produced. (materialstoday.com)

Any activity that creates dust can expose workers to airborne silica. (worksafebc.com)
OSHA has proposed nearly $90,000 in penalties after finding East Orange, N.J.-based County Concrete Corp. exposed workers tasked with mixer cleaning to airborne silica. (concreteproducts.com)

The vapor phase silica aggregates with untreated surfaces contain a variety of silica hydroxyl groups. (mis-asia.com)

Silica is a common naturally occurring mineral. (wa.gov.au)
CELLFOOD Essential Silica Formula starts with highly purified mineral silica. (nexusmagazine.com)

Much of the world's agricultural waste contains silica, and the search for a practical way to extract it stretches back 80 years. (materialstoday.com)
Did Algae Eat All the Silica in the World's Oceans? (lu.se)
Dive into the research topics of 'Did Algae Eat All the Silica in the World's Oceans? (lu.se)

Various silica sols having particle sizes of 10-60 nm prepared by these methods and the preparation methods have been compared on the basis of their shape, size uniformity, sphericity, stability against pH variation, cation concentration, and price, etc. (scirp.org)

World of Concrete 2017 evidenced a mid-year enforcement timetable for the Occupational Safety and Health Administration's new crystalline silica dust exposure threshold covering construction sites and general workplaces. (concreteproducts.com)

Hydrated silicas can form in nature through biotic processes primarily involving benthic microorganism activity in the oceans. (wikipedia.org)
However, there are several abiotic processes that form hydrated silicas, such as precipitating out of solution, forming a diagenetic alteration product, or replacing pre-existing minerals in sedimentary rocks. (wikipedia.org)
Can crews be scheduled to work as far away from silica dust-generating processes as possible? (worksafebc.com)
If you would like to learn more about our Air XS Silica Monitor , and specifically how it can help your safety processes to keep your workers safe from fatal occupational lung diseases, then complete the get in touch form below to arrange a call with one of our experts today. (trolex.com)
However, when the Earth was younger and these organisms had not evolved yet, no biological processes affected silica in the oceans. (lu.se)

Most analyses will say for each kilogram of synthetic silica, more than 30 kg of CO 2 will have been generated - that is ten times more than burning natural gas. (azocleantech.com)

We have initiated a project aimed at systematically investigating the formation of mesoporous silica using the basic synthesis methodology with cationic surfactants (e.g. (lu.se)
How Key Alterations of Mesoporous Silica Nanoparticles Affect Anti-Lung Cancer Therapy? (bvsalud.org)
One of the most well-known methods for addressing a drug 's solubility is mesoporous silica , which has undergone excellent development due to the conjugation of polymers and ligands that increase its effectiveness . (bvsalud.org)
Our study's objectives were to explore and summarize the effects of targeting mediator on drug development using mesoporous silica with and without functionalized polymer . (bvsalud.org)
This improved approach produced very impressive results, a very significant change in the characteristics of mesoporous silica that can affect effectiveness . (bvsalud.org)
Mesoporous silica approaches have the capacity to greatly enhance a drug 's physicochemical issues, boost therapeutic efficacy , and acquire superb features. (bvsalud.org)

Diatomaceous earth, originally mined as "tooth powder" is a naturally occurring hydrated silica. (wikipedia.org)

a Perspective view of the silica glass bilayers: silica atoms are colored in cyan and oxygen ones in red. (nature.com)
The simulations revealed that the interface is formed by a chemical bond between a silicon atom from the silica surface and two oxygen atoms from the kaolinite surface. (aiche.org)

In 2013, NIOSH researchers published exposure assessment results for respirable crystalline silica in oil and gas extraction (OGE) workers performing hydraulic fracturing. (cdc.gov)
An investigation by NIOSH has also shown that workers at hydraulic fracturing sites are exposed to respirable crystalline silica that can cause incurable lung disease. (scienceblogs.com)

The other factor that makes silica unique is its solubility. (mis-asia.com)

There is also a silica shortage at present, especially hydrophobic silica, which is being caused by long-term supply issues that will last for years to come. (azocleantech.com)

How is Silica Thickener used with epoxy resins? (systemthree.com)

Silica is the most common hazard on a work site. (worksafebc.com)

Silica is one of the most common hazards on a worksite, particularly in the construction, oil and gas, manufacturing, and agriculture industries. (worksafebc.com)
In response to the burgeoning demand from the tire industry for precipitated silica, several industry players such as Evonik, Solvay, and PPG Industries have ramped their production capacities in the recent past. (researchandmarkets.com)
Silica Gel Market Strategic Insights 2020 with Analysis of Leading Players: Evonik Industries, Clariant, Solvay, Merck Group, Etc. (sbwire.com)
Mine regulators at MSHA have said they are studying a possible update to the regulation, which remains less stringent than the silica standard for other industries. (wgbh.org)

W. St?ber, A. Fink and E. Bohn, "Controlled Growth of Monodisperse Silica Spheres in the Micron Size Range," Journal of Colloid and Interface Science, Vol. 26, No. 1, 1968, pp. 62-69. (scirp.org)
Bifunctional magnetic-fluorescent composite nanoparticles (MPQDs) with Fe 3 O 4 MPs and Mn:ZnS/ZnS core-shell quantum dots (QDs) encapsulated in silica spheres were synthesized through reverse microemulsion method and characterized by X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, vibration sample magnetometer, and photoluminescence (PL) spectra. (springer.com)
and (3) both Fe 3 O 4 MPs and Mn:ZnS/ZnS core-shell QDs were encapsulated in silica spheres, and the obtained MPQDs became water soluble. (springer.com)
In this work, we obtained water-soluble bifunctional MPQDs with Fe 3 O 4 MPs and Mn:ZnS/ZnS core-shell QDs encapsulated in silica spheres through reverse microemulsion method. (springer.com)

The general population is exposed to silica through air, certain types of indoor dust (such as from concrete), food, water, soil, and some consumer products. (cdc.gov)
Most silica products on the market today are in tablet form and are not as easily absorbed by the body. (nexusmagazine.com)
Silica gel packets are used to keep products at the correct humidity. (woodtv.com)
Silica is a natural substance found in rocks, sand, and clay and in products such as certain bricks and concrete. (3m.com)
Avnet Silica will use such information for Avnet Silica's marketing purposes to contact me regarding Avnet Silica products and services. (allaboutcircuits.com)
If the scale-up is successful, Laine predicts that it will fundamentally change the way silica products are made and used. (materialstoday.com)
What is the importance of silica in everyday products? (azocleantech.com)
This technology now allows consumers of silica to make improved products without suffering the economic hit that reducing carbon footprints usually cause. (azocleantech.com)
Silica has a large carbon footprint especially for a material being used so heavily in everyday products. (azocleantech.com)

Our high performance alumino-silica gels are designed to work under tough working conditions, e.g. operating this plant at 75 bar pressure," remarks Waldemar Lind, Sales Manager Europe Adsorbents, BASF. (basf.com)

Do you know silica, the tetrahedra of silicon and oxygen constituting the crystals of New Agers and the desiccant in a box of new shoes? (lu.se)
Silicon is a crucial nutrient that can join with the element oxygen to form a substance commonly called silica. (lu.se)

Silica is a fine, absorbent white powder that gently cleanses and polishes, as well as a thickening agent used in makeup to prevent caking. (lush.com)
Fumed silica is a nanometer white powder produced by the hydrolysis of silicon halide at high temperature in an oxyhydrogen flame. (mis-asia.com)

Leslie Nemo, Discover Magazine , 9 Mar. 2021 To cope with super humid environments, Sharma would put chocolate in airtight containers with silica gel bead packets, which suck up moisture. (merriam-webster.com)
WHTM ) - You have probably seen silica gel packets in such places as shoeboxes, dried food and even bubble wrap. (woodtv.com)
The packets work by having little pellets of water and silica, which happens to be the main component in sand. (woodtv.com)

By comparison, the natural stone's silica content ranged from 3.5% to 30.1%, marking a clear difference. (trolex.com)

MSHA needs to act to enforce a silica standard to protect today's miners. (wgbh.org)

Studies in workers have also documented that silica can cause chronic obstructive pulmonary disease (COPD), lung cancer, kidney failure, autoimmune diseases, and increased susceptibility to tuberculosis . (cdc.gov)
Silica exposure can also cause lung cancer. (worksafebc.com)
Evidence linking silica to lung cancer is more recent. (science20.com)
And while the lung cancer risk associated with silica exposure is not as large as some other lung carcinogens, like smoking or asbestos exposure, there is strong and consistent evidence that silica exposure increases lung cancer risk. (science20.com)

By dry-cutting all stones, silica dust was captured in a closed environment and subjected to various assays to determine both chemical and physical properties. (trolex.com)
When combined with a small amount of sodium hydroxide, antifreeze can weaken the chemical bonds between the silica and the rice hull ash at the beginning of the process, dissolving the silica into a liquid solution. (materialstoday.com)

Silica is a main part of sand, so glass workers and sand-blasters are also exposed to silica. (medlineplus.gov)
Workers at greatest risk are those who move or blast rock and sand (miners, quarry workers, stonecutters, construction workers) or who use silica-containing rock or sand abrasives (sand blasters, glass makers, foundry, gemstone, and ceramic workers, potters). (msdmanuals.com)

Hydrated silica is a form of silicon dioxide, which has a variable amount of water in the formula. (wikipedia.org)

OSHA meanwhile has released a new publication on responding to hazards in hydraulic fracturing other than respirable silica, including strategies to prevent exposure to VOCs and hydrogen sulfide. (scienceblogs.com)
Washington - OSHA has published a guide intended to help small businesses comply with the agency's standard on worker exposure to respirable crystalline silica for general industry and maritime. (safetyandhealthmagazine.com)
What does the updated OSHA silica regulation mean for spill control? (safetyandhealthmagazine.com)
At a recent Capitol Hill briefing, American Industrial Hygiene Association officials and former OSHA administrator David Michaels made their case to members of Congress about the benefits of OSHA's recent final rule on protecting workers from exposure to respirable crystalline silica. (safetyandhealthmagazine.com)
Washington - OSHA has released a compliance guide meant to help small businesses in the construction industry adhere to a final rule regarding exposure to crystalline silica in the workplace. (safetyandhealthmagazine.com)
Washington - OSHA has published an amendment to correct typographical errors in the formulas in its final rule aimed at protecting workers from exposure to respirable crystalline silica. (safetyandhealthmagazine.com)
OSHA announced on March 24 the release of a final rule intended to protect workers from respirable crystalline silica. (safetyandhealthmagazine.com)

Leslie Nemo, Discover Magazine , 9 Mar. 2021 Water from moist air condenses onto the solid parts of silica gel . (merriam-webster.com)
Washington Post , 28 Dec. 2021 The palms of the gloves are attached with anti-skid silica gel to keep your hands on the handlebars. (merriam-webster.com)

With our high performance alumino-silica gels Sorbead ® H and WS we are able to meet the very stringent treated gas specifications. (basf.com)

It's believed that silica supplementation may be a key factor in helping us maintain a healthier, more youthful, and pain-free body- and in reducing the body's natural recovery time. (nexusmagazine.com)
Silica, along with other trace minerals found in this formula, may be used to strengthen bones and increase the body's collagen production. (nexusmagazine.com)
Silica is believed to interfere with the body's immune response to the bacteria that cause TB. (medlineplus.gov)

All can limit the risk of silica dust exposure. (worksafebc.com)

Workers who have prolonged exposure to respirable crystalline silica may also be more likely to develop chronic obstructive pulmonary disease (COPD), other lung issues, and even problems such as kidney disease. (3m.com)

A hydrated silica compound's effectiveness as a flame retardant is dependent upon the presence of chemically bonded transition metals, commonly iron and titanium Hydrated silica is listed by the US Food and Drug Administration as "Generally Recognized as Safe" Wiilknitz, P. (November 1997). (wikipedia.org)
Silica, commonly known as glass, is found in rocks in the Earth's crust and dissolves into the oceans, where organisms like algae and sponges use it to build their glassy skeletons. (lu.se)

Anatomy6

Organisms14

Diseases11

Chemicals and Drugs74

Analytical, Diagnostic and Therapeutic Techniques and Equipment41

Phenomena and Processes27

Disciplines and Occupations4

Anthropology, Education, Sociology and Social Phenomena2

Technology, Industry, Agriculture33

Named Groups1

Health Care11

Amorphous silica11

Levels of silica5

Exposed to silica dust3

Silicosis18

Particles9

Amount of silica2

Respirable crystalline silica dust2

Exposures3

Produce silica3

Exposure to silica dust3

Abrasive3

Called silica powder1

Crystalline silica exposure2

Quartz7

Adsorption6

Colloidal silica6

Lungs4

20232

Compounds6

Airborne silica2

Surfaces1

Mineral2

World's3

Particle sizes1

20171

Processes5

Synthetic1

Mesoporous6

Diatomaceous Earth1

Atoms2

NIOSH2

Solubility1

Hydrophobic1

Epoxy resins1

Hazard1

Industries4

Spheres4

Products9

Adsorbents1

Oxygen2

Powder2

Packets3

Content1

Today's1

Lung cancer4

Chemical2

Sand-blasters2

Silicon dioxide1

OSHA7

20212

Gels1

Body's3

Dust exposure1

Chronic obstruc1

Commonly2