primary immunodeficiency disorders are a heterogeneous group of genetic disorders, with different modes of inheritance, consisting of more than 100 different types. we constructed the dna banking of primary immunodeficiency disorders for the first time in iran. the dna of 31 immunodeficient patients and their families (total of 92 samples) were collected, as the first step for construction of d...

The Dutch Foundation for Quality Assessment in Clinical Chemistry (SKZL) is the professional organization that conducts external quality-assessment schemes in The Netherlands. However, such schemes in fact assess the performance of the internal quality-control systems of the participating laboratories. In this paper we describe a new concept, relating the data for internal control materials wit...

"iiiit"iii"it""iil"a"pendent oi chain leigth. The presence of small amounts of water was necessarv for t1i6 formation of these films. The alkylsil6xane monolayers were stable in common organic solvent€, wat€r, and scid but were d€6hoyed by prolonged exposure to base. Simple reactions on vinyl-t€rminated monolayeis i"n"r"t"a "t"ohot-, "arb'oxylii: ircid-, ind bromine-terminated iilms whose conta...