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   角膜 在 生物医学工程 分类中 的翻译结果: 查询用时:0.934秒
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角膜     
相关语句
  corneal
    Corneal Ablation in Rabbits with ArF Excimer Laser
    ArF准分子激光消融兔角膜
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    Technical Improvement of Corneal Endothelial Cell Culture
    角膜内皮细胞培养方法的改进
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    PGA with corneal stromal cells was served as control.
    以角膜基质细胞为种子细胞构建的组织工程化角膜基质组织作为对照。
短句来源
    ③The cultured keratocytes at densities of 0, 5×104, 10×104, 50×104 were mixed with type Ⅰ collagen solution to create corneal stroma collagen and observe the effect of keratocyte concentration on the collagen contraction.
    ③取传代的角膜基质细胞密度为0,5×104,10×104,50×104四组混合于提取的Ⅰ型胶原溶液中,形成角膜基质胶原块,观察角膜基质细胞浓度对角膜基质胶原块收缩的影响。
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    Changes in corneal sensitivity after excimer laser corneal refractive surgeries
    准分子激光屈光性角膜手术后角膜知觉的改变
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  cornea
    Research on Artificial Cornea of n-HA/hydrogel Composite
    纳米羟基磷灰石/水凝胶人工角膜研究
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    Er:YAG Ablation of Cornea in Rabbits
    应用Er:YAG激光消融兔角膜
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    Ultrasound biomicroscopy in the diagnosis of cornea disease
    应用超声生物显微镜对角膜疾病的诊断分析
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    Expression level of TGF-β_1m RNA and haze formation in the rabbit cornea after photorefractive keratectomy
    PRK后角膜TGF-β_1mRNA的表达与Haze形成
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    Diagnostic Ultrasound and Cornea Cell Apoptosis
    诊断超声与大鼠角膜细胞凋亡
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  rabbit corneal
    Role of topical steroids FLAREX on inflammation of rabbit corneal stroma after PRK
    皮质类固醇FLAREX对PRK术后兔角膜前基质炎症的影响
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    The increase of expression level of TGF-α mRNA in the rabbit corneal epithelium after photorefractive keratectomy
    PRK后兔角膜上皮表达TGF-α mRNA增加
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    bFGF and TGF-beta_1 produced by rabbit corneal fibroblast and its role on fibroblast proliferation during the wound healing process after PRK
    PRK后兔角膜成纤维细胞分泌产生bFGF、TGF-β_1及其对成纤维细胞增殖的影响
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    Results It approved that bFGF and TGF β 1 were produced by fibroblast,endogenous and exogenous growth factors bFGF and TGF β 1 stimulate the proliferation of rabbit corneal fibroblast after PRK,and the effect of bFGF and TGF β 1 were blockaded by anti bFGF antibody and anti TGF β 1 antibody.
    结果 在 PRK后兔角膜伤口愈合过程中成纤维细胞分泌产生b FGF及 TGF- β1 ,并刺激细胞的增殖 ,相应抗体可阻断这一生物效应。
短句来源
    Then the proper corneal stroma was used as a carrier to cultivated the rabbit corneal limbal cells which were planted on it in a concentration of 2×105/cm2 in vitro.
    将冻干牛角膜基质复水,常规培养基浸泡24h,以2×105个/cm2接种兔角膜缘细胞,培养7d后,标本扫描电镜检查、HE染色观察。
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  corneal tissue
    Progress in Corneal Tissue Engineering
    应用组织工程技术构建角膜组织的研究新进展
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    RESEARCH ADVANCE OF CORNEAL TISSUE ENGINEERING
    角膜组织工程的研究进展
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    · AIM: To study the possible acellular cornea stroma materials as supporting materials in corneal tissue engineering.
    目的:研究脱细胞猪角膜基质材料在角膜组织中的生物相容性,为组织工程角膜的构建寻找一种良好的支架材料。
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    The exquisite nature of laser-tissue interaction with corneal tissue al1owssuccessful application of 1asers for refractive surgery. Numerous systems have been devel-oped for clinical applications.
    激光和角膜组织的完美作用性使得激光能在眼屈光外科中成功地应用,已为临床应用开发了许多系统。
短句来源
    xcimer laser photorefractive keratectomy(PRK) ablation of the cornea can successfully correct myopia and myopic astigmatism. However,this technique is not without complications,one of which is a sometimes unpredictable healing response of corneal tissue to excimer laser ablation.
    准分子激光屈光性角膜切削术(PRK)可以成功地矫治近视及散光,但并非无并发症,其中之一即准分子激光切削后角膜组织的愈合反应有时不可预测。
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  corneal
The experimental results show that the integration of microsensors for microsurgery robot's end-effector can satisfy the design requirements, and the robotic end trephine can accurately fulfill the surgical task of corneal cutting.
      
Fast deposition of hydroxyapatite coating on titanium to modify cell affinity of corneal fibroblast in vitro
      
It is shown for the first time that HA coating can significantly enhance the adhesion and proliferation of rabbit corneal fibroblast in comparison with that of pure Ti.
      
We studied 56 biopsy samples of conjunctiva and 50 corneal discs excised from 28 patients with acquired keratoconus cornea.
      
Necrobiotic changes have been revealed in epithelium of the corneal discs going by the pathways of apoptosis-programmed cell death-and oncosis-initial edematic stage of necrobiosis.
      
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  cornea
Fibroblasts of rabbit cornea were seeded on HA coated Ti disc, pure Ti disc and glass.
      
The Causes of Necrobiosis and Apoptosis of Cornea Epithelial Cells during Primary Acquired Keratoconus Cornea
      
We studied 56 biopsy samples of conjunctiva and 50 corneal discs excised from 28 patients with acquired keratoconus cornea.
      
Studies on the Effect of the Adhesion Protein Isolated from Bovine Eye on Cell Proliferation in the Newt Cornea
      
The effect of the adhesion protein isolated from the bovine cornea was studied on the model of mechanical injury (cross cutting of the cornea).
      
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  rabbit corneal
It is shown for the first time that HA coating can significantly enhance the adhesion and proliferation of rabbit corneal fibroblast in comparison with that of pure Ti.
      
To develop a rabbit corneal endothelial (RCE) cell line, in vitro culture of RCE cells was initiated from Oryctolagus curiculus corneas and a novel RCE cell line was established in this study.
      
Connective tissue growth factor expression in rabbit corneal fibroblast and its effect on fibroblast proliferationIn vitro
      
Total RNA was extracted from early passaged rabbit corneal fibroblasts by guanidine isothiocyanate one-step method and mRNA was reversely transcripted into complementary DNA (cDNA).
      
Nerve growth factor modulate proliferation of cultured rabbit corneal endothelial cells and epithelial cells
      
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  corneal tissue
Putative epidermal stem cell convert into corneal epithelium-like cell under corneal tissue in vitro
      
Historically, the management of cloudy, decompensated corneas centered around replacement of corneal tissue with either a through-and-through or partial-thicknes replacement.
      
At 12 h after TBTO injection, edematous swelling of the corneal tissue became more advanced.
      
Spectral transmission through the whole eye was not affected by diet or UV manipulations, but corneal tissue transmission decreased significantly in the UV-exposed individuals.
      
Dynamic behavior of photoablation products of corneal tissue in the mid-IR: a study with FELIX
      
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  其他


本文从液晶的角度,首先测定了角膜的双折射,说明角膜的“组织有序”。又从温度的改变,看出其双折射也有改变。最后从浓度(含水量)的改变,测定了透光率的变化。以上三点说明牛眼角膜具有溶致液晶的性质。

3 pieces of desiccated corneal grafts taken from normal subjects and preserved for 2-7 years were rehydrated for 20 minutes and examined in comparison with the normal fresh cornea, no differences were found in transparency and microscopic appearance. Projection electron microscopic examination revealed the same arrangement of collagen fibers, but in fibroblasts of the preserved cornea, cytoplas-mic membranes were broken, cell organelles were not clear enough and nuclear membranes were not intact, though no effect...

3 pieces of desiccated corneal grafts taken from normal subjects and preserved for 2-7 years were rehydrated for 20 minutes and examined in comparison with the normal fresh cornea, no differences were found in transparency and microscopic appearance. Projection electron microscopic examination revealed the same arrangement of collagen fibers, but in fibroblasts of the preserved cornea, cytoplas-mic membranes were broken, cell organelles were not clear enough and nuclear membranes were not intact, though no effect on transparency of the cornea was observed. Histochemically, staining with al-cian blue of the preserved cornea after rehydration for 20 minutes showed the same result as in the fresh cornea. Hemotoxylin and eosin staining of the cornea preserved for 7 years and rehydrated for 30 minutes revealed edema of the stroma and the disorderly arrangement of fibers and cells. In the cornea rehydrated for 60 minutes, the above changes became more obvious. After staining with alcian blue,the stroma of the preserved cornea after rehydration for 30 minutes was thicker than that of the normal one and took a light and uneven staining. The above phenomena were more pronounced in the cornea rehydrated for 60 minutes.By clinical and laboratory studies, it was assumed that the long-term preserved cornea by desiccation could be available clinically, but one must take care that the time for rehydration should not be so long as to free the cornea from edema and opacity, and not to affect the effect of keratoplasty as well.

将保存2~7年的3个正常人干燥角膜片复水20分钟与正常人新鲜角膜作对比检查。干燥保存角膜的透明性与新鲜角膜相同;光镜检查与新鲜角膜在形态上无差别;透射电镜检查二者的胶原纤维排列相同,仅干燥保存角膜的纤维母细胞的细胞膜有断裂,细胞器不够清楚,核膜不够完整,但不影响角膜的透明性;组织化学检查,复水20分钟者,aleian blue染色与新鲜角膜相同。干燥保存7年的角膜复水30分钟者(HE染色),基质水肿、纤维及细胞排列不整齐,复水60分钟的变化较30分钟者更甚。alcian blue染色检查,复水30分钟者角膜基质较正常者厚,染色淡,不均匀,复水60分钟者则更甚。临床证明,干燥长期保存角膜可以应用,但应注意复水时间不可过久,以防角膜水肿、混浊,影响手术效果。

图形视网膜电图(PERG)是一个新的研究领域。本文描述了自行研制的PERG的记录和分析系统的基本结构,它包括视觉图形刺激器和微机系统。图形刺激器能产生不同空间频率、时间频率、对比度和亮度的棋盘格图形;微机处理系统进行数据的平均、FFT分析和存储。记录电极采用试制的银箔电极,代替了通常的角膜电极。应用这一系统对正常PERG和病理条件下PERG进行了分析研究,表明它能满足PERG研究的需要。

 
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