fluorescein

简明释义

英[ˌflʊəˈresɪɪn]美[ˌflʊəˈresɪɪn]

n. [试剂] 荧光素，[试剂] 荧光黄

英英释义

单词用法

同义词

反义词

例句

1.OBJECTIVE: To study effect of liposome suspension on distribution of fluorescein sodium in the rat skin.

目的：研究脂质体混悬液对荧光素钠在大鼠皮肤分布的影响。

2.The diacetyl fluorescein was synthesized through the acylation reaction with industry fluorescein.

用工业级荧光素，经过酰化反应合成双乙酰荧光素。

3.Ethylparaben is a good antiseptic in fluorescein sodium eyedrop.

羟苯乙酯在荧光素钠滴眼剂中的防腐良好。

4.AIM: To investigate the fundus features of pathologic myopia by using fundus fluorescein angiography.

目的；观察病理性近视的荧光素眼底血管造影的特征。

5.Health professionals also employ a fluorescein stain to detect ulcers of the cornea.

卫生专业人员还采用了荧光染色检测的角膜溃疡。

6.By studying the absorption spectra, we have verified the existence of various tautomers of sodium fluorescein in ethanol solution.

通过对其吸收光谱的研究，证明荧光素钠在乙醇溶液中存在多种互变异构体。

7.All patients were followed-up for 16 weeks and were examined with slit-lamp and fluorescein staining.

术后裂隙灯及荧光素染色检查，平均随访16周。

8.TL concentration correlated positively with tear film break up time and negatively with fluorescein staining scores in patients with LTD.

LTD组TL的浓度与泪膜破裂时间呈正相关，与荧光染色分数呈负相关。

9.The doctor used fluorescein 荧光素 to examine the patient's cornea for any damage.

医生使用荧光素 荧光素检查病人的角膜是否有损伤。

10.In research, fluorescein 荧光素 is often used as a fluorescent tracer in biological studies.

在研究中，荧光素 荧光素通常用作生物研究中的荧光示踪剂。

11.The scientist added fluorescein 荧光素 to the solution to track the movement of cells under a microscope.

科学家在溶液中添加了荧光素 荧光素以追踪细胞在显微镜下的运动。

12.When exposed to UV light, fluorescein 荧光素 emits a bright green fluorescence.

当暴露于紫外线下时，荧光素 荧光素会发出明亮的绿色荧光。

13.The use of fluorescein 荧光素 in angiography helps visualize blood vessels clearly.

在血管造影中使用荧光素 荧光素有助于清晰地可视化血管。

作文

Fluorescein is a synthetic organic compound that has found numerous applications in various fields, particularly in biology and medicine. This bright green dye, which is soluble in water, is known for its remarkable fluorescence properties. When exposed to ultraviolet light, fluorescein emits a vivid green glow, making it an invaluable tool for researchers and medical professionals alike. Its ability to fluoresce allows for easy visualization in a variety of biological assays and imaging techniques. One of the most significant uses of fluorescein (荧光素) is in the field of ophthalmology. It is commonly used in fluorescein angiography, a diagnostic procedure that helps in examining the blood vessels in the retina. During this procedure, a small amount of fluorescein (荧光素) dye is injected into a vein, and photographs of the eye are taken using a special camera that captures the fluorescence emitted by the dye. This technique is crucial for diagnosing conditions such as diabetic retinopathy and macular degeneration, as it provides detailed images of the retinal blood flow. In addition to its medical applications, fluorescein (荧光素) is also widely used in environmental studies. Researchers utilize this compound to trace the movement of water in various ecosystems. For instance, by adding fluorescein (荧光素) to a body of water, scientists can track how pollutants disperse in rivers or lakes. The fluorescent nature of the dye allows for real-time monitoring, providing valuable data on water quality and contamination levels. Moreover, fluorescein (荧光素) has applications in the field of forensics. It can be used to detect latent fingerprints on various surfaces. When applied to a surface, the dye adheres to the oils and residues left by fingers. Under ultraviolet light, these prints can be visualized, aiding investigators in solving crimes. This application highlights the versatility of fluorescein (荧光素) beyond traditional scientific research. Educational institutions also benefit from the use of fluorescein (荧光素) in laboratory settings. It is often utilized in experiments to demonstrate concepts related to fluorescence and chemical reactions. Students can observe the bright green fluorescence and gain hands-on experience with the principles of photonics and molecular interactions. This practical application enhances their understanding of complex scientific theories. Despite its many advantages, the use of fluorescein (荧光素) is not without limitations. Some individuals may experience allergic reactions to the dye, particularly during medical procedures. Therefore, it is essential for healthcare providers to consider patient histories before administering fluorescein (荧光素). Additionally, while it is generally regarded as safe, the long-term environmental impacts of its use in large quantities are still under investigation. In conclusion, fluorescein (荧光素) is a remarkable compound that plays a vital role in various scientific and medical fields. Its unique fluorescent properties facilitate advancements in diagnostics, environmental monitoring, and forensic science. As research continues to evolve, the potential applications of fluorescein (荧光素) may expand even further, solidifying its importance in both academic and practical contexts.