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undulation    
n. 波动,弯曲,起伏

波动,弯曲,起伏

undulation
n 1: an undulating curve [synonym: {wave}, {undulation}]
2: wavelike motion; a gentle rising and falling in the manner of
waves
3: (physics) a movement up and down or back and forth [synonym:
{wave}, {undulation}]


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  • Measuring Cord Blood: Learn What TNC, CD34, Other Counts . . . - Cryo-Cell
    A flow cytometer uses a laser to pick up on the dye and count the number of CD34-positive cells (It can also determine viability as we will see later ) PGCB says the median private cord blood collection of 60 mL equates to 1 8 million cells with the CD34 antigen Colony-Forming Unit Assay
  • CD34 (Stem cell) count and viability - Manchester University NHS . . .
    Special precautions: Immunology should be notified that a CD34 stem cell count is urgent and when to expect the sample Laboratory information Normal reference range: No normal reference ranges are provided Volume and sample type: Peripheral blood stem cell harvest, cord blood or bone marrow in heparin and tissue culture medium Method: Flow
  • Predictors of cord blood unit cell content in a volume unrestricted . . .
    The birth seasonal analyses demonstrated that the CBU volume collected in winter and autumn (76 71 mL ± 28 23 mL for winter and 75 63 mL ± 25 84 mL for autumn, on average) are more abundant than those collected in the hot months (71 74 mL ± 24 12 mL for spring, and 73 82 mL ± 26 11 mL for summer, on average) (Fig 4) No significant differences were observed in TNC and CD34+ amount during
  • What does my Stem Cell Report mean? - Anja Health
    The average median pre-processing of stem cells is 20 mL This is standard and leaves you with all the vital blood stem cells required for transplantation in the future CD34+ Cell Count: CD34+ cell count helps us evaluate the number of hematopoietic stem cells in the cord blood collection They are dependent on the length of the cord
  • CD34+ cell content of 126 341 cord blood units in the US inventory . . .
    CD34 + cell dose is critical for cord blood (CB) engraftment However, the CD34 + content of the CB inventory in the United States is unknown We examined the CD34 + cell content of 126 341 red blood cell–depleted US units banked from January 2007 to September 2017 with a total nucleated cell (TNC) count of ≥90 × 10 7 and a cryovolume of 24-55 mL Median pre-cryopreservation TNC content
  • Enumeration of CD34+ cells in cord blood: A variation on a singleâ . . .
    previously (8) Cord blood samples were diluted in phos-phate-buffered saline (PBS), pH 7 2, to obtain a leukocyte count of 10–20 3 109 L, as recommended by Keeney et al (15) All samples were run in duplicate Briefly, 100 mL of cord blood sample was incubated with 10 mL of FITC-conjugated anti-CD45 (clone HuLyM4; Silenus, Mel-
  • Enumeration of viable CD34+ cells in cord blood using a novel stem cell . . .
    Fresh cord blood and cryopreserved cord blood were tested in the study (both from the cord blood bank) The inclusion criteria were: (1) sufficient volume ( 600mL) or volume after dilution, if appli-cable; (2) white blood cell count <30 103 mL or count after dilution with low-temperature phosphate-buffered saline (PBS) (2–8 C) containing 0 5
  • Peripheral Blood Stem Cell Collection - MDCalc
    Estimates CD34+ yield using pre-apheresis peripheral blood absolute CD34 blood count IMPORTANT This dosing tool is intended to assist with calculation, not to provide comprehensive or definitive drug information
  • Primary Cells Human Cord Blood CD34+ Cells, Frozen
    Primary Cells Human Cord Blood CD34+ Cells, Frozen Catalog # 70008 1 2 x 10^5 cells Mixed Donors Normal Cell count, viability, donor virus testing, sex (if available), other information 14 If cells are starting to clump, add 100 μg DNase I Solution per mL of cell suspension and incubate for 15 minutes at room temperature (15 - 25°C)
  • Evaluation of Volume and Total Nucleated Cell Count as Cord Blood . . .
    Combination of parameters (TNC mononuclear cells [MNCs], efficiency 74 7%; TNC volume, efficiency 68 9%; and volume MNCs, efficiency 68 3%) did not lead to improvement in CB selection All CB units having a TNC count of 8 × 10 8 or more had the required CD34+ cell dose for patients weighing 10 kg or less
  • The monoculture of cord-blood-derived CD34+ cells by an automated . . .
    These data suggest that average expansion yields from a single CBU, which are on the order of 2 2 × 10 8 to 1 0 × 10 9 CB-derived stem or progenitor cells, are potentially feasible with an automated 8-day monoculture cell expansion protocol by simply increasing the cell inoculum from 2 × 10 6 cells up to 4 4 × 10 6 –2 × 10 7 cells with a full CBU CD34 + cell fraction
  • Guidelines for Cord Blood Unit Selection
    Optimal volume: 24-28 mL (1 bag) or 48-54 mL (2 bags each of 24-28 mL bag) Cord blood units with low CD34+ cell viability have a low probability of engraftment after double unit transplantation Biol Blood Marrow Transplant 2010; 16:500-508 Full Text Full Text (PDF) Scopus (101)





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