gradient centrifugation density 中文意思是什麼

gradient centrifugation density 解釋
密度梯度離心
  • gradient : adj. 1. 傾斜的。2. 【動物；動物學】步行的，能步行的。n. 1. 〈英國〉（道路的）傾斜度，坡度，坡路。2. 【物理學】梯度，陡度，（溫度、氣壓等的）變化率，梯度變化曲線。
  • centrifugation : n. 離心（分離）。
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  1. Purification : density gradient centrifugation ( sucrose & cscl )

    分離:密度梯度離心法（蔗糖&氯化銫）
  2. Density gradient centrifugation

    密度梯度離心
  3. Methods using different techniques of collagenase digestion and discontinued density gradient centrifugation, the adult swine and rat islets were prepared

    方法採用不同的膠原酶消化法及不連續密度梯度純化法。
  4. The fetal liver stem cells were isolated by collagenase digestion, gravity sedimentation and density gradient centrifugation, identified by immunocytochemistry and evaluated by flow cytometry for their proliferation condition

    採用膠原酶消化、重力沉降及密度梯度離心方法分離人胎肝幹細胞，通過免疫細胞化學方法對其進行初步鑒定，以及應用流式細胞儀等對其生長狀況進行評估。
  5. In the second trial, this modified discontinuous percoll gradient centrifugation method was introduced to isolate spermatids from the semen of fifteen male infertile patients. then the effect was identified by wright - giemsa stain, flow cytometry analysis, immunocytochemistry and fluorescence in situ hybridization ( fish ). similary, the 22 % percoll fraction contained mostly haploid cells [ ( 91. 85 ? 5. 18 ) % ] ( p < 0. 005 ) and the mean density in this fraction was ( 1. 010 ? 0. 786 ) x 105 / ml

    C法，對15例各種類型不育患者的精液細胞進行分離，並利用瑞姬染色法、流式細胞術、免疫細胞化學和熒光原位雜交oisffi等方法，從細胞形態特徵、 dna倍體、細胞表面標i己與分化抗原，以及原位雜交信號的數目和位置結合細胞核特有的形態等方面加以鑒定。
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