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Konwersja trypsyny do chymotrypsyny
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Trypsyna II szczura została przekształcona w proteazę o specyficzności substratowej podobnej do chymotrypsyny [Hedstrom, L., et al. (1994) Biochemia (poprzedni artykuł w tym numerze)]. Kluczową zmianą w tej konwersji jest wymiana dwóch pętli powierzchniowych na analogiczne pętle chymotrypsyny. k(inact)/Ki dla inaktywacji chymotrypsyny, trypsyny, mutanta trypsyny o słabej aktywności (D189S) i mutantów chymotrypsynopodobnych Tr->>Ch[S1+L1+L2] i Tr->>Ch[S1 +L1+L2+Y172W] przez Suc – Ala – Ala – Pro – Phe -chlorometyloketon koreluje z…
Read MoreSARS-CoV-2 Antigen Repaid Test Kit
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The SARS-CoV-2 Rapid Antigen Test is a rapid and reliable chromatographic immunoassay for the qualitative detection of specific SARS-CoV-2 antigens present in the human nasopharynx. This test is an aid to detect the SARS-CoV-2 virus antigen in people suspected of COVID-19. This product is strictly designed for professional use in laboratory and point-of-care environments. Severe…
Read MoreBiocredit Covid-19 Ag
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The 2019 novel coronavirus (SARS-CoV-2, 2019-nCoV) is a single-stranded RNA coronavirus. Coronavirus disease 2019 (COVID-19) is a respiratory disease caused by 2019-now. 2019-now belongs to the genus Betacoronavirus, which also includes the severe acute respiratory syndrome coronavirus (SARS-CoV, 2003) and the Middle East respiratory syndrome coronavirus (MERS-CoV, 2012). Coronaviruses, 2019-nCoV consist of four viral proteins…
Read MoreSeroDetect HBsAg Verification Panel
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The SeroDetect HBsAg Panel is comprised of five members representing a variety of reactivities. Each panel member contains 1.5 ml of material prepared from human plasma. This panel can be used for training, lot-to-lot comparison of reagent test kits, and to evaluate and compare the intra- and interlaboratory performance of HBsAg test systems. Choosing a…
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