Results 81 to 90 of about 6,234 (122)

[Screening of High-quality Spermatozoa Using Transwell Membrane Pores and Assessment of Their Performance]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Li Y   +7 more
europepmc   +1 more source

新型纳米微泡超声造影剂的制备及超声显像研究

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2011
【目的】 制备可稳定显像的新型小粒径纳米级超声微泡造影剂,并评价其体内外超声显像效果【方法】 通过薄膜-水化声振-通气及多级分离等多步骤方法制备纳米级脂质微泡,并针对制备过程中的主要影响因素设计了正交试验,筛选出粒径小重复性好的实验条件通过光学显微镜及Zeta粒径仪检测纳米微泡大小形态粒径分布,体外及动物体内超声显像检测其增强显像效果【结果】 纳米脂质微泡呈圆形,分布均匀,无明显聚集,粒径范围238.6 ~ 340.7 nm,均值为 (276.0 ± 24.1)nm,Zata电位:(-14.0 ± 0 ...
doaj  

[The application of nanoparticles in the treatment and prevention of pathological scars]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Huang Y, Zhao L, Jin Z, Cui A.
europepmc   +1 more source

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