This website uses cookies to ensure you have the best experience. Learn more

Translocation Of Particulate Matter Essay

725 words - 3 pages

Translocation of Particulate Matter
Earl Dickerson, Jr.

Translocation of Particulate Matter
In Section 9.3, the authors have observed translocation of particular matter. The important notions they have discussed in connection with particulate matter translocation are epithelial barrier, endothelial barrier, and dendritic cells. In the following paper, these notions will be considered with the purpose of identifying their role in the body response to particulate matter exposures.
Epithelial Barrier
Epithelial barrier is the unique body mechanism supporting transportation of different chemical substances including nutrients and water into the ...view middle of the document...

Particles Crossing the Endothelial Barrier
Since the endothelial barrier is a porous membrane, particles of specific size may cross it (Sharma & Tepas, 2010). According to the findings made by Sharma and Tepas (2010), particles smaller than 10 μm are able to cross through the endothelial barrier and reach the bloodstream. The structure of the endothelial barrier described in the following quotation explains why such extensive molecules as particulate matter can cross through the membrane into the bloodstream:
“The endothelial monolayer system is constructed by glueing a 13-mm-diameter
polycarbonate filter with a pore size of 0.8 ^m to a polystyrene cylinder with a 13-mm
exterior diameter and a 9-mm inner diameter. The filters in the assembled
chamhers are seeded with endothelial cells at a density of 0.8 X 10' cells/ml (Malik,
Lynch & Cooper, 1989, p. 63).
From the above-mentioned quotation, a conclusion can be made that the endothelial barrier consists of molecules of different sizes, which makes the barrier capable of letting in the substances of different diameter. According to Malik, Lynch and Cooper (1989), this diameter may range from “182 to 340,000 daltons” (p. 64).
The Role of Dendritic Cells
According to Gurjar, Molina and Ojha (2010), dendritic cells can cross the epithelial barrier, phagocyte, particles of varied chemical substances including...

Other Essays Like Translocation of Particulate Matter

Lamella Clarifiers Market Growth, Trends and Value Chain 2016-2026 by Fmi

675 words - 3 pages Lamella Clarifiers are prominently used in initial phase of water and waste water treatment process primarily to separate particulate matter from liquid. This equipment finds application in various end-use industries primarily due to large effective settling area with the use of inclined plates in comparison to conventional clarifiers. Use of inclined plates results in overflow rate by 2-5 times in comparison to conventional clarifiers. Cost

Air Pollution Essay

615 words - 3 pages smoker. That is why smoking is banned in public places. Air pollution affects the health of people adversely. The presence of carbon monoxide in the air we breathe causes headache nausea and suffocation. Various other respiratory diseases such as tuberculosis, bronchitis and asthma are common in our country due to poor air quality. Dust in air causes asthma and allergies. In winter days fogs containing particulate matter causes bronchitis and cough

Grading System Is Better Than Marks

600 words - 3 pages of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or cause damage to the natural environment or built environment, into the atmosphere. how does a get polluted? Air pollution is usually a result of human activity. The main causes of human air pollution is frowm cars, aste disposal and industry. However air can also be polluted from natural processes, like volcanic

Sop Industrial Enginering

1275 words - 6 pages Ignition (CI) Engines. Under the guidance of my mentor, I designed a Homogeneous Charge Compression Ignition (HCCI) setup and a wet type particulate matter filtering unit, successfully modeling the exact dynamics of the HCCI setup and closely observing and studying the admission of fuel and characteristics of the flame front along with other features. The apparatus helped reduce 80 % NOx and near zero carbon particulate matter was let to the

Air Pollution

1334 words - 6 pages Heart Association (AHA) recommends that people with heart disease and others at risk -- including the elderly and people with diabetes or high blood pressure -- try to steer clear of congested roadways and spend less time outside on days when air quality is poorer. The evidence of harm is strongest against pollutants known as fine particulate matter. Fine particulate matter is released into the air when wood or fossil fuels are burned, so car

Waste and Pollution

1321 words - 6 pages and this kind of dust contains bacteria, mold, and fungi from the feces and the feed. The massive amounts of excrement produced by these farms emit toxic gases such as hydrogen sulfide and ammonia into the air. The Environmental Protection Agency ( EPA) reports that roughly 80 percent of ammonia emissions in the United States come from animal waste. As if the chemicals and particulate matter from animal waste weren’t bad enough, the meat

Assigment 1 Sustainabliity

1265 words - 6 pages of an particulate matter such as dust or excessive gases like carbon dioxide or other vapours that cannot be effectively removed through natural cycles, such as the carbon cycle or the nitrogen cycle. Air pollution comes from a wide variety of sources. Depending on any of the concentration of the air pollutants, several effects can be noticed. Smog increases, higher rain acidity, crop depletion from inadequate oxygen, and higher rates of

Burning of Fossil Fuels

1559 words - 7 pages ? * Burning fossil fuels, especially coal, is a dirty process. Incomplete combustion of coal and oil produces particulate matter. Heavier particulates produce an annoying dirty grit, and lighter particulates can be inhaled deeply and become a health hazard. In addition to the desired combustion of organic molecules, impurities such as sulfur also burn and produce potentially dangerous oxides. Since the air is made of 80% nitrogen, nitrogen is

Cogeneration and Pollution Control in Sugar Mills: a Review

3617 words - 15 pages particulate matter, oxides of nitrogen, carbon, sulfur and fly ash. Fly ash being very light it escapes in to the atmosphere through chimney and causes irritation to eyes, nose and throat to nearby population. Heavier particles settle down but lighter ones are dispersed in the surrounding area depending upon the stability condition of atmosphere. 4.3.1 Air emission control measures Regular checking of emission and periodic boiler monitoring can

Air Pollution

907 words - 4 pages Encyclopedia Britannica: http://library.eb.co.uk/eb/article-214274 U.S. Environmental Protection Agency. (2008, May 9). Retrieved Novemner 7, 2013, from Particulate Matter: Health and Environment.: http://www.epa.gov/oar/particlepollution/health.html Wikipedia, The Free Encyclopedia. (2008, January 7). Retrieved November 9, 2013, from Arctic Haze: http://en.wikipedia.org/w/index.php?title=Arctic_haze&oldid=182689572 Johnson, Branden B. "Experience With Urban Air Pollution In Paterson, New Jersey And Implications For Air Pollution Communication." Risk Analysis: An International Journal 32.1 (2012): 39-53. Business Source Complete. Web. 12 Nov. 2013.

The Impact Of The Environment On Health

834 words - 4 pages include cancer, asthma, cardiovascular disease, diabetes, and there are many more diseases or conditions out there. Air quality influences our health and environment. Protecting the public and the environment should be a primary goal of the environmental regulation. There are six pollutants are carbon monoxide, lead, nitrogen dioxide, particulate matter [PM], ozone, and sulfur dioxide. These are very harmful to one’s health and our environment

Related Papers

Solid Waste Incinerator Essay

2296 words - 10 pages ) Dry Impingement separators "" In this a series of baffles are placed in the gas stream. The particulate matter will drop due to its higher inertia compared to gas flow. This may be used for particulate size larger than 15 microns.(3) Dry Cyclonic separators "" Gas enters a cylinder forming a vortex, which eventually reverses and forms a second vortex prior to leaving the chamber (fig 7). Particulate because of their inertia tends to move

‘Global Pollution And Construction’ Essay

523 words - 3 pages construction sites vastly enhance these forms and what what employers can do to minimise these violations. Air Pollution Activities in construction that enhance pollutive levels are: ● Land clearing ● Operation of diesel engines ● Demolition ● Burning ● Working with toxic materials ● PM10 Dust PM10 dust is what is said instead of construction dust. It is particulate matter that is less than 10 microns in diameter and is invisible to the naked eye

Technology In Everyday Life Essay

4813 words - 20 pages 6 Reciprocating engines 7 Environmental impacts 7.1 Carbon dioxide 7.2 Particulate matter 7.3 Radioactive trace elements 7.4 Water and air contamination by coal ash 7.4.1 Range of mercury contamination in fish 8 Greening of fossil fuel power plants 8.1 Low NOx Burners 8.2 Clean coal 9 Combined heat and power 10 Alternatives to fossil fuel power plants 10.1 Relative cost by generation source 11 See also 12 References 13

Environmental Issues In Sub Saharan Africa Essay

3062 words - 13 pages encompassed by rocks or in a shallow hole dug into the ground so it is surrounded by earth matter. Rocks or metal grates are also used with this method to support the pot or cooking implement. Another example of solid fuel consumption is with “rocket stove” or other chimney possessing stove/furnace. The purpose is to try to force the particulate out of the chimney and out of the home. Unfortunately there must be an opening to the flame on which to