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Random articles

AIDS (acquired immunodeficiency syndrome)

ÊÍáíá ãÑÖ ÇáÇíÏÒ

What is AIDS?

AIDS (acquired immunodeficiency syndrome) is a virus which destroys the immune system and leaves the body vulnerable to debilitating infections.

HIV antibody test

This test detects HIV antibodies in blood or other body fluids. HIV, human immunodeficiency virus, is the virus that causes AIDS (acquired immunodeficiency syndrome). When HIV enters the body, such as through contact with an infected individual or contaminated needle, the immune system responds by p...Read more

Taking Blood Sample

ØÑíÞÉ ÓÍÈ ÚíäÇÊ ÇáÏã Ýì ÇáãÚãá

Prospect the veins in the two arms and select the best
clear vein to you.
Attach the arm from the upper part by elastic ligament to help you in more determination of the vein.
Disinfect the place you will inject then insert the syringe gently and withdraw the suitable amount of blood that you need.

Note: difference between plasma & serum:
Plasma produced when we centrifuge EDTA blood.
but
Serum produced when we centrifuge fresh blood....Read more

Polymerase Chain Reaction (PCR)

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ÊÝÇÚá ÇáÈæáíãÑíÒ ÇáãÊÓáÓá

ÊÞæã ÝßÑÉ ÊÞäíÉ Çá PCR Åáì ÇáÞíÇã ÈÊÖÎíã ÌÒíÆÇÊ ÞáíáÉ ãä ÇáÍãÖ Çáäææí DNA¡ ÈÚÏ ÇÓÊÎáÇÕå ãä ÎáÇíÇ Ãæ ÓæÇÆá ÇáÌÓã æÈÇáÊÇáí ÇáÍÕæá Úáì ßãíÇÊ ßÈíÑÉ ãäå æÇáÊì ÊãßääÇ ãä ÅÌÑÇÁ ÇáÊÍáíá Úáíå. íãßä ÇÚÊÈÇÑ ÊÞäíÉ PCR ÊÑÌãÉ ãÈÓØÉ áÚãáíÉ ÇäÊÓÇÎ ÇáÍãÖ Çáäææí DNA ÃËäÇÁ ÇáÇäÞÓÇã ÇáÎáæí.æáßí íÊã åÐÇ ÇáÇäÊÓÇΡ áÇ ÈÏ ãä ÊæÝÑ ãæÇÏ ãÚíäÉ ÊÓÇÚÏ Úáì Ðáß:

1. ÇáÈÇÏÆÇÊ Primers æåí ÚÈÇÑÉ Úä äíæßáæÊíÏÇÊ ÞáíáÉ Oligonucleotides18 – 20 ÃÓÇÓ ÂÒæÊí ÞÇÏÑÉ Úáì Ç...Read more