Macrophages are cells produced by the network contained in the blood as Monocytes. Macrophages derived from cells in bone marrow from Promonosit which later split into monocytes and circulate in the blood.
If you know our antibodies do not work alone in maintaining immunity (immune system) and withstand attack antigens (foreign body), which comes from outside. There are other cells that Macrophages which helped in keeping our immune system.
Macrophages are large cells with the ability of phagocytosis. Phagocytosis is the ability to absorb and destroy microorganisms (bacteria or foreign objects). How macrophages to destroy (eat) bacteria or foreign object is to form the cytoplasm when bacteria or foreign objects attached to the cell surface of macrophages, and then it curved into the cytoplasm of bacteria or foreign body wrap, cytoplasmic protrusion which will meet each other so that melt into one bacteria or foreign objects get caught in the vacuole. Lysosomes that have the ability to break down the material that comes from within and from outside will blend with the vacuole so that bacteria or foreign substances will be destroyed.
Macrophages have a key function or role to take and ingest particles together with lysosomes is related to defense and repair functions, another function is to produce IL (Inter Leukin) governing duty-B cells and T cells from lymphocytes and mobilize the body's defense system others, macrophages are also secretory cells that can produce tumor necrosis factor (TNF = tumor necrosis factor) that can kill tumor cells, also produced some important substances including enzymes (lysozyme, elastase).
Macrophage cells have a macrophage-free and fixed macrophages. Free macrophages are cells that are able to move freely, was found in interstitial tissue in the form of macrophages and histiocytes. While macrophages remain, unable to move freely cellulose macrophages, was found in interstitial tissue spleen, lymph nodes, and in the liver.
But This is Not Impact on the HIV virus. According to research this virus can not be neutral by macrophages. Even Macrophage is a place for HIV to protect themselves from other antibodies and antigens. Macrophages are one of the first cell in the infection by HIV. Macrophages also serve as spreaders of HIV to a variety of cells and other body tissues.
Maybe you feel strange, food Packaging can be made from bacteria? Like what would happen? Here goes the explanation: Scientists develop technique of paper coatings with silver nanoparticles. This paper is a combination of bacteria suitable as food packaging materials.
Materials previously used silver to fight bacteria and nanoparticles. Silver is frequently used in the textile, fiber, plastic and metal nTo biomedical applications.
This technology is used to coat the wound and catheter-resistant microbes. This material can also be used as a deodorizing material on socks.
Initially, scientists have not been able to collect particles of silver which equals one per 50 thousand thinness of a human hair, in a layer of plain paper. However, the latest materials using ultrasound or high frequency sound waves, able to hold the particle in the paper.
The technique introduced a team of scientists led by Aharon Gedanken from Bar-Ilan University, Israel, was published in the journal that published Langmur American Chemical Society.
In laboratory tests, a layer known as the paper this killer managed to collect the activity of bacteria capable of fighting E. Coli and S. Aureus, two elements of the cause of the presence of bacterial food.
"The application of this amazing show the ability to pack food that lasted long on the shelf," wrote the scientists.
If this is actually utilized, be coated paper food products containing silver nanoparticles consisting of various bacteria that can withstand bacterium of food quality.
In addition to food packaging, coating method that can be used to make waterproof properties.
from: various sources
