A rapid and accurate differential centrifugation method for platelet counts.
نویسندگان
چکیده
منابع مشابه
Comparative Study of Four Platelet-Rich Plasma Methods for Preparing Platelet Concentrates
Background: Platelet preparations have been used for a wide variety of clinical applications such as hemorrhage, tissue engineering and cellular therapy. Platelet concentrates can be prepared by the apheresis method or from the whole blood using the Buffy-coat or Platelet-rich plasma methods. The purpose of this study was to compare four variations of platelet-rich plasma method based on double...
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Platelet-rich fibrin (PRF) clots have been used in regenerative dentistry most often, with the assumption that growth factor levels are concentrated in proportion to the platelet concentration. Platelet counts in PRF are generally determined indirectly by platelet counting in other liquid fractions. This study shows a method for direct estimation of platelet counts in PRF. To validate this meth...
متن کاملEnumeration of platelets using a model B counter.
an engraved counting chamber and a light microscope, have many possibilities of error. The introduction of phase-contrast microscopy by Brecher, Schneiderman, and Cronkite (1953) has greatly facilitated the counting of platelets and improved the accuracy of the results. However, despite this improvement in accuracy the visual method is lacking in one basic essential, namely, speed in producing ...
متن کاملStudy of a Two-Step Centrifugation Protocol for Concentrating Cells and Growth Factors in Bovine Platelet-Rich Plasma
There is a lack of information about the methods used for bovine platelet-rich plasma (PRP)/platelet-rich gel (PRG) procurement, including information on platelet (PLT), white blood cell (WBC) in PRP, and growth factor release from PRG supernatants. The aims of this study were to compare and to correlate the PLT, WBC, transforming growth factor beta-1 (TGF-β1), and platelet-derived growth facto...
متن کاملPlatelet counts and its course for predicting in-hospital mortality in intensive care unit
Background & Aims: Recent studies have shown that thrombocytopenia (TP) is associated with poor outcomes in patients with pneumonia, burns, and H1N1 influenza. The aim of this study is to determine the impact of platelet count trends and TP on mortality in intensive care unit (ICU) patients. Materials & Methods: TP was defined as <150,000 platelets/ml. In this study, 300 patients who had been ...
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عنوان ژورنال:
- Journal of clinical pathology
دوره 35 1 شماره
صفحات -
تاریخ انتشار 1982