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Gram stain procedure

ØÑíÞÉ ÕÈÛÉ ÌÑÇã (ÕÈÛÉ ÛÑÇã)

This stain for differentiate between G +ve bacteria (which accept staining) and G -ve bacteria (which not accept staining).

Steps:
-Prepare your clear slide and put one drop of normal saline.
-Take specimen from the colony and mix it well with normal saline.
-Leave for dryness on air then fix it on burner.
-Then pour Crystal Violet stain on the slide and leave it for 1 minute.
-Wash gently with water.
-Then pour Iodine stain on the slide and leave it for 1 minute.
-Wash gently w...Read more

Polymerase Chain Reaction (PCR)

ÊÝÇÚá ÇáÈæáíãÑíÒ ÇáãÊÓáÓá


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

Giardia

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ãäÊÔÑÉ Ýí ÌãíÚ ÃäÍÇÁ ÇáÚÇáã æÎÇÕÉ Ýí ÇáãäÇØÞ ÇáÅÓÊæÇÆíÉ ÇáÍÇÑÉ.
ÊÊØÝá ÇáÌíÇÑÏíÇ áÇãÈáíÇ Ýì ÇáÃãÚÇÁ ÇáÏÞíÞå ááÃäÓÇä

ÇáãÕÇÈ æÎÇÕÉ ÇáÇËäì ÚÔÑ æáåÇ ØæÑÇä:


ÇáØæÑ ÇáÎÖÑì (ÇáÊÑÝæÒæíÊ)
.æåæ ßãËÑì ãÛÒáí ÇáÔßá æÊÍÊæì ÇáÌåÉ ÇáÈØäíÉ ãäå Úáì ããÕíä ãÓÊÏíÑíä íæÌÏ Èßá äæÇÉ æíÊÍÑß ÇáÊÑÝæÒæíÊ ÍÑßå ÓÑíÚå ÈæÇÓØÉ ÃÑÈÚÉ ÃÒæÇÌ ãä ÇáÃÓæÇØ.
ÇáØæÑ ÇáËÇäì Ýåæ ÇáßíÓ
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ÊÊßÇËÑ ÈÇáÇäÞÓÇã ÇáËäÇÆí ÇáÈÓíØ Øæá...Read more