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| 1 | 测定手性有机酸对映体纯度的新试剂显示文摘用NMR技术测定微量手性化合物的对映体纯度,已有多种方法。其中,加手性镧化物位移试剂法适用面最广,但对有机酸,结果常不理想。另一种使用较广的方法是加手性试剂,将样品中两对映体转变成非对映异构体,然后比较非对映基因NMR信号的强度,确定原样品中对映体的组成比例。 | 尤田耙 H.S.Mosher K.Okamoto 王炎 | 1990 | 有机化学1990，10，6： | 4 |
| 2 | Temperature and Nitric Oxide Generation in a Pulsed Arc Discharge Plasma显示文摘Nitric oxide (NO) is increasingly being used in medical treatments of high bloodpressure,acute respiratory distress syndrome and other illnesses related to the lungs.Currentlya NO inhalation system consists of a gas cylinder of N_2 mixed with a high concentration of NO.This arrangement is potentially risky due to the possibility of an accidental leak of NO from thecylinder.The presence of NO in the air leads to the formation of nitric dioxide (NO_2),which istoxic to the lungs.Therefore,an on-site generator of NO would be highly desirable for medicaldoctors to use with patients with lung disease.To develop the NO inhalation system without a gas cylinder,which would include a high con-centration of NO,NAMIHIRA et al have recently reported on the production of NO from roomair using a pulsed arc discharge.In the present work,the temperature of the pulsed arc dischargeplasma used to generate NO was measured to optimize the discharge condition.The resultsof the temperature measurements showed the temperature of the pulsed arc discharge plasmareached about 10,000 K immediately after discharge initiation and gradually decreased over tensof microseconds.In addition,it was found that NO was formed in a discharge plasma havingtemperatures higher than 9,000 K and a smaller input energy into the discharge plasma generatesNO more efficiently than a larger one. | T.NAMIHIRA S.SAKAI M.MATSUDA D.WANG T.KIYAN H.AKIYAMA K.OKAMOTO K.TODA | 2007 | Plasma Science and Technology2007，9，6： | 1 |
| 3 | Multipotent Stem Cells from Umbilical Cord: Cord Is Richer than Blood!显示文摘 | MarianeSecco EderZucconi Natassia M.Vieira Luciana L.Q.Foga?a AntoniaCerqueira Maria Denise F.Carvalho TatianaJazedje Oswaldo K.Okamoto Alysson R.Muotri MayanaZatz | 2009 | STEM CELLS2009，，1： | 1 |
| 4 | 自组织生长CdSe-ZnSe量子点的光致发光显示文摘利用不同温度下的光致发光和时间分辨光谱研究了生长在GaAs( 1 1 0 )衬底上的CdSe ZnSe自组织量子点的发光特性 ,发现浸润层量子阱的激子发光淬灭比量子点的淬灭过程快得多 ,量子点的激子辐射复合寿命远大于浸润层量子阱的激子复合寿命 .根据不同尺寸的量子点复合寿命的差异 。 | 郑著宏 K.Okamoto H.C.Ko Y.Kawakami Sg.Fujita | 2000 | 中国科学(A辑)2000，30，4： | 0 |
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