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optical tweezer 激光鑷〔一種可用于顯微操作的激光器〕。

optician

Afm - based single molecule force spectroscopy and optical tweezers can be used to study the molecule - level mechanical problems of polymer materials , which include the strength and elastic properties of single polymer chain , force - induced conformation transition of polymer chain , interaction among polymer molecules , adsorption strength and conformation of polymer chain on solid substrates , nanometer - scale viscoelasticity measurement and nano - tribology of polymer surfaces 摘要基于原子力顯微技術的單分子力譜法和光鉗法可用于研究聚合物材料分子層次上存在的力學問題,包括聚合物分子鏈的強度、彈性性質及外力作用下的構象轉變、分子間相互作用、聚合物分子的界面吸附以及聚合物表面的納米粘彈性和納米摩擦學等問題。

China university of science and technology li yin - mei group , proposed to dark field microscopy observation of light scattering technology and optical tweezers capture the idea of combining the traditional optical microscope optical tweezers system from the side of a bouquet of flake coupling laser irradiation samples , laser incident in a specific location , so that samples of the particles scattered light through the microscope imaging ; overcome the well - optical tweezers and microscopic imaging of laser irradiation , as well as strictly coincidence of the three key technologies to achieve the optical tweezers capture 100 nanometer - styrene ball at the same time also in the entire field of view of microscopic observation of nano - particles , to capture optical tweezers nanoparticles can also observation purposes 中國科學技術大學李銀妹課題組,提出將暗場顯微術觀察光散射的技術與光鑷捕獲相結合的設想,在傳統光學顯微鏡光鑷系統上從側面耦合一束片狀激光照射樣品,在特定的激光入射位置,使樣品中粒子的散射光可通過顯微鏡成像;克服光鑷的阱位與顯微成像面以及激光照射面三者嚴格重合的技術關鍵,實現了光鑷捕獲100納米聚苯乙烯小球的同時也能在整個顯微視場中觀察納米粒子,達到了光鑷捕獲納米粒子的同時也能觀測的目的。

In this dissertation , animal test and spectrum analysis were employed to investigate the mechanism of illli therapy . a viewpoint that laser irradiation can improve the capability of blood carrying oxygen was brought forward based on the results . the invention of optical tweezers is another important achievement 本文中,我們應用光譜分析的方法對弱激光治療中的一種形式? ?弱激光血管內照射治療的機制進行了實驗研究,提出和驗證了激光照射改善血液的攜氧能力是血管內照射治療的機理之一。

On construction of optical tweezers , a dual - optical tweezers system was set up using a ti - sapphire laser . the optical trap steering and sample micro - manipulation systems were constructed . the displacement and force measurement systems were incorporated , and displacements of nanometers and forces of picnewtons can be detected 所謂光鑷就是利用光的壓強效應,由一束高度會聚的激光形成的光學勢阱,利用它可以對單個細胞、生物大分子等微小物體實現非接觸、無損傷操作。

The results exceeded light microscope optical tweezers can capture liquid nano - particles can not be directly observed the technical bottleneck to further develop the optical tweezers technology , optical tweezers technology to the field of nanotechnology applications have made new progress 該成果突破了光鏡光鑷可以捕獲液相納米粒子但無法直接觀察的技術瓶頸,進一步發展了光鑷技術,為將光鑷技術推向納米領域的應用取得新進展。

We using a he - ne laser as light source , an optical tweezers with one optical trap was set up . the laser light and the observation light normally incident the objective back aperture . we can always observe and manipulate dielectric spheres at the top layers 在儀器研制方面,我們將he - ne激光器與顯微鏡系統耦合構建了一套顯微鏡物鏡正置光鑷系統,作為光鑷光的激光從物鏡上方豎直進入物鏡目瞳,這樣光鑷光位于樣品池的上方。

At last , chromatin structure is formed . with the development of single moleculer manipulation . much research work has been done on dna by optical tweezer , magnetic tweezer , micropipe , and so on . all these work has opened a new area in molecuer biology 隨著單分子操作的實驗技術的發展,人們通過光鑷、磁鑷、微吸管等等,研究dna分子的力學性質,探索dna與蛋白質的相互作用,為分子生物學的研究開辟了新的天地。

Optical tweezers end of the 20th century is a major field of laser technology inventions , it is applied - the mechanical manipulation of tiny particles effectively for research on the interaction of microscale of material on micro - mechanism , interpretation of life 光鑷是20世紀末激光技術領域的重大發明,它應用光的力學效應有效地操控微小粒子,用于研究納微尺度下物質相互作用,探討微觀機制,解讀生命規律。

Polystyrene beads , silicon dioxide spheres were successfully manipulated with the optical tweezers system . the construction of optical tweezers is the foundation optical micromanipulation of photonic crystals 本實驗成功地實現了微米聚苯乙烯球體、二氧化硅球體樣品的操縱,為光鑷在光子晶體領域的應用奠定了必備基礎。

We modify the defect by applications of optical tweezers technology . structural defects can dictate the properties of photonic bandgap materials , adding intentional defects within the crystal are needed 在實際的應用中,缺陷的結構決定了光子帶隙材料的性質,這就需要人為的制造出具有特殊用途的缺陷。

With the telecommunications boom at its peak , the company began to research using holographic optical tweezers to make photonic crystals that could switch or amplify optical signals 艾瑞克斯在通訊科技最熱的時候,開始利用全像光鉗技術,研發制造可以切換或擴大光訊號的光子晶體。

They then tested the system with a variety of cells and tiny beads , including some that were large by the standards of optical tweezer work 研究人員用多種細胞和小珠測試這個系統,其中包括一些在光鑷標準下較大的樣品,并能夠控制一個帶20微米,或者百萬分之一米的空心正方形。

In this dissertation , the optical tweezers system , its key techniques and biological applications have been studied in detail 為了進一步研究單個細胞及生物大分子的生物行為,我們進行了光鑷技術及其應用的研究。

Therefore able to capture at the same time observe the nanoparticles into optical tweezers technology in - depth study nanoparticles bottlenecks 因此能夠捕獲的同時觀察納米粒子成了光鑷技術深入研究納米粒子的瓶頸。

It is learned that china science and technology university in optical tweezers technology and its applications on nearly 20 years of experience 據悉中國科學技術大學在光鑷技術及其應用研究已經有近20年的經歷。

In applications of optical tweezers , red blood cells , yeasts , coliforms , phagocytes , chloroplast , etc . were successfully manipulated 另一方面,對于光鑷技術在生物學中的應用我們也進行了較深入的研究。

Optical tweezers use the tiny force of a beam of light from a laser to push around and control tiny objects , from cells to plastic beads 光鑷用這一來自激光光束的微力來推動和控制微小物體(從細胞到塑膠珠) 。

Optical tweezers can catch dozens of transparent nano - particles , but the resolution limit of optical microscopy and be observed 光鑷可以捕獲幾十納米透明粒子,但受光學顯微鏡分辨的極限而無法觀察。

The interaction between dielectric particles in ac electric field studied with optical tweezers 用光鑷研究介質微粒在交流電場下的相互作用