Author: Ava Banks

PURIFIED VS. UNPURIFIED ANTIBODIES

Do you know the different formats of purified and unpurified antibodies ? Although the usual thing when buying a commercial antibody is that it comes purified, there are different formats of antibodies available: from raw sera to immunoglobulins purified by different methods. In this post we will see the different presentations in which the antibodies can be supplied for their application in subsequent immunoassays and…

By Ava Banks June 19, 2020 Off

Evaluation of two commercial human T-cell lymphotropic virus western blot (immunoblot) kits with problem specimens.

We evaluated two commercial human T-cell lymphotropic virus (HTLV) Western blot (WB; immunoblot) kits, Cambridge Biotech Corp. (CBC) and Diagnostic Biotechnology Ltd. (DBL). Both strategies make use of HTLV sort I (HTLV-I) viral lysate and rgp21. The DBL WB package additionally distinguishes between HTLV-I and HTLV-II antibodies, utilizing an HTLV-I-specific and an HTLV-II-specific recombinant. Fifty weakly reactive HTLV-II-positive plasma specimens which…

By Ava Banks May 19, 2020 Off

Genetic diversity of Plasmodium falciparum histidine-rich protein 2 (PfHRP2) and its effect on the performance of PfHRP2-based rapid diagnostic tests.

Rapid diagnostic assessments (RDTs) play an important function in the administration and management of malaria an infection. The histidine-rich protein 2 (PfHRP-2) based mostly RDTs are the mostly used RDTs for malaria analysis in Sudan. Deletion of pfhrp2 in Plasmodium falciparum genome have an effect on the accuracy of PfHRP-2 based mostly RDT kits. This examine…

By Ava Banks May 19, 2020 Off

Repeat HIV testing of individuals with discrepant HIV self-test results in Central Uganda.

According to the person directions from the producer of OraQuick HIV self-test (HIVST) kits, individuals whose kits present one purple band ought to be thought of to be HIV-negative, regardless of how weak the band is. However, latest studies present potential for a second false weak band after storage, thereby creating confusion in the interpretation of results. In…

By Ava Banks May 19, 2020 Off