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中文摘要：
该文采用化学气相沉积法在泡沫镍上生长石墨烯，通过扫描电镜、X射线衍射、拉曼光谱对生成产物的形貌和结构分别进行了表征。结果表明：所制得的石墨烯为具有三维网状结构且层数较少的石墨烯。将三维泡沫石墨烯转移到ITO玻璃上制成生物传感器的工作电极，利用电化学工作站对尿酸和抗坏血酸进行检测．电化学测试结果表明：三维泡沫石墨烯修饰电极在抗坏血酸的干扰下可以准确的检测尿酸，其灵敏度为0．274μA／（μmol／L），线性范围为10-100μmol／L。
英文摘要：
By using the chemical vapor deposition, the three dimensional porous high conductivity of graphene foam （GF） was fabricated on nickel foams as a template.GF was characterized by scanning electron microscopy, X-ray diffraction and Raman spectroscopy. Then the GF was transferred onto ITO coated glass, acting as an electrode to detect uric acid and ascorbic acid by electrochemical methods. Electrochemical results showed that the GF modified exhibited high selectivity for the detection of UA in the presence of AA, the sensitivity for detection of UA was 0.274 μA/（μmoI/L）, and the UA concentration ranges from 10 to 100 μLmol/L.
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