fluorometer

简明释义

英[ˌflʊəˈrɒmɪtə(r)]美[flʊˈrɑmɪtər;flɔˈrɑmɪtər;floˈ

n. 荧光计；氟量计

英英释义

单词用法

同义词

反义词

例句

1.The effects of the different light intensity on the chlorophyll fluorescence parameters in microcystic aeruginosa were studied by using unmodulated chlorophyll fluorometer.

用叶绿素荧光技术研究了低夜温后光照对榕树与海桐叶片光合电子传递和吸收光能分配的影响。

2.The effect of osmotic stress on chlorophyll fluorescence induction kinetics of spring wheat genotypes in seedling stage was studied by using OS1-FL modulated chlorophyll fluorometer.

利用OS 1—FL调制式叶绿素荧光分析仪对渗透胁迫下的幼苗期春小麦叶片叶绿素荧光动力学参数的变化进行了研究。

3.The effect of osmotic stress on chlorophyll fluorescence induction kinetics of spring wheat genotypes in seedling stage was studied by using OS1-FL modulated chlorophyll fluorometer.

利用OS 1—FL调制式叶绿素荧光分析仪对渗透胁迫下的幼苗期春小麦叶片叶绿素荧光动力学参数的变化进行了研究。

4.In 1997 he and Zbigniew Kolber of Rutgers University co-invented a specialized fluorometer that can measure phytoplankton productivity in real time.

1997年，他与路特格大学的柯柏共同发明了一种特殊的萤光计，可以即时测量浮游植物的生产力。

5.Zinc porphyrin(ZPP) was detected by fluorometer;

用荧光仪测定锌卟啉；

6.The effects of severing stolon on chlorophyll fluorescence characteristics of Sabina vulgaris were measured with portable fluorometer (MINI PAM).

用荧光测定仪(MINI- PAM)测定了切断匍匐茎对臭柏叶绿素荧光特性的影响。

7.Using a fluorometer, scientists can quickly identify the presence of specific pollutants.

科学家可以快速识别特定污染物的存在，使用荧光计。

8.The fluorometer is essential in studying the binding affinity of drugs to their targets.

在研究药物与其靶点的结合亲和力时，荧光计是必不可少的。

9.The laboratory uses a fluorometer to measure the concentration of fluorescent dyes in samples.

实验室使用荧光计来测量样品中荧光染料的浓度。

10.To assess water quality, researchers employed a fluorometer to detect chlorophyll levels.

为了评估水质，研究人员使用荧光计检测叶绿素水平。

11.In environmental monitoring, a fluorometer helps track changes in phytoplankton populations.

在环境监测中，荧光计有助于跟踪浮游植物种群的变化。

作文

In the realm of scientific research and analysis, the importance of accurate measurement cannot be overstated. One of the essential tools utilized in various fields such as chemistry, biology, and environmental science is the fluorometer. A fluorometer (荧光计) is an instrument that measures the intensity of fluorescent light emitted from a sample when it is excited by a specific wavelength of light. This technology has become increasingly important for researchers who need to quantify the presence of specific compounds in a solution. The basic principle behind a fluorometer involves the excitation of molecules within a sample. When certain molecules absorb light at a particular wavelength, they enter an excited state. As these molecules return to their ground state, they emit light at a longer wavelength, which is known as fluorescence. The fluorometer captures this emitted light and quantifies it, allowing scientists to determine the concentration of fluorescent compounds in the sample. One of the significant advantages of using a fluorometer is its sensitivity. Compared to other analytical techniques, fluorometric methods can detect very low concentrations of substances, making them ideal for applications such as detecting pollutants in water or measuring biomolecules in biological samples. For instance, in clinical laboratories, fluorometers are commonly used to measure the levels of certain drugs or hormones in blood samples, providing critical information for patient diagnosis and treatment. Moreover, the versatility of the fluorometer extends beyond just chemical analysis. In environmental studies, researchers use fluorometers to monitor the health of aquatic ecosystems by measuring the concentration of chlorophyll, which indicates the presence of phytoplankton. This information is vital for understanding the dynamics of marine life and the overall health of oceanic environments. Another exciting application of fluorometers is in the field of molecular biology. Researchers often use fluorescent tags to label specific proteins or nucleic acids, allowing for detailed studies of cellular processes. By using a fluorometer, scientists can track the interactions and movements of these labeled molecules in real-time, providing insights into complex biological mechanisms. Despite their many advantages, there are some limitations to consider when using a fluorometer. For example, the presence of interfering substances in a sample can affect the accuracy of fluorescence measurements. Additionally, proper calibration and maintenance of the fluorometer are crucial to ensure reliable results. Researchers must also be mindful of the photobleaching phenomenon, where prolonged exposure to light can diminish the fluorescence signal over time. In conclusion, the fluorometer (荧光计) is an invaluable tool in scientific research, offering precise measurements of fluorescent light and enabling a wide range of applications across various fields. Its ability to detect low concentrations of substances makes it particularly useful in environmental monitoring, clinical diagnostics, and molecular biology. As technology continues to advance, the capabilities of fluorometers are likely to expand, further enhancing our understanding of the natural world and improving human health. Understanding how to effectively utilize a fluorometer can greatly enhance research outcomes and contribute to scientific advancements.