53 persons suspected to alpha1-antitrypsin deficiency detection (aatd) were investigated for zz, mz, zs, ss, and ms alleles analysis by serum protein electrophoresis (spe), measurement of trypsin inhibiting capacity (tic), isoelectric focusing (ief), polymerase chain reaction (pcr), and ief/pcr-rflp techniques. the result clearly shows by using spe and tic techniques only 35.85 % and 50.08% of ...

The crystal structures of the tri- and tetrahydrate of tin tetrachloride, viz. diaquatetrachlorotin(IV) monohydrate, [SnCl(4)(H(2)O)(2)].H(2)O, and diaquatetrachlorotin(IV) dihydrate, [SnCl(4)(H(2)O)(2)].2H(2)O, are reported and shown to contain the cis-[SnCl(4)(H(2)O)(2)] species and water molecules in both cases. The trihydrate contains chains of the tin species linked by a single hydrogen-bo...

The case-only design, which requires only diseased subjects, allows for estimation of multiplicative interactions between factors known to be independent in the study population. The design is being used as an alternative to the case-control design to study gene-environment interactions. Estimates of gene-environment interactions have been shown to be very efficient relative to estimates obtain...

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