Citation:
Yang Bao-Lian, Feng Ji-Wen, Hu Jian-Zhi, Zhou Jian-Cheng, Li Li-Yun, Qiu Jian-Qing, Ye Chao-Hui. DNP Study on Doping Organic Samples with Stable Free Radicals[J]. Acta Physico-Chimica Sinica,
;1998, 14(01): 93-96.
doi:
10.3866/PKU.WHXB19980118
-
The DNP-enhanced NMR experiment was performed on the DBF samples doped with free radicals. The experimental results show that it becomes very easy to perform the complicate NMR experiments under DNP enhancement. For the sample whose spin lattice relaxation is very slow, if it is doped with appropriate quantity free radicals.
-
-
-
-
[1]
Jinkang Jin , Yidian Sheng , Ping Lu , Zhan Lu . Introducing a Website for Learning Nuclear Magnetic Resonance (NMR) Spectrum Analysis. University Chemistry, 2024, 39(11): 388-396. doi: 10.12461/PKU.DXHX202403054
-
[2]
Lei Shi . Nucleophilicity and Electrophilicity of Radicals. University Chemistry, 2024, 39(11): 131-135. doi: 10.3866/PKU.DXHX202402018
-
[3]
Xudong Liu , Huili Fan , Junping Xiao , Min Yang , Yan Li . Teaching Approaches to the AE + AN Mechanism of Electrophilic Addition Reactions between Olefins and Inorganic Acids in Organic Chemistry. University Chemistry, 2025, 40(7): 367-372. doi: 10.12461/PKU.DXHX202409041
-
[4]
Baitong Wei , Jinxin Guo , Xigong Liu , Rongxiu Zhu , Lei Liu . Theoretical Study on the Structure, Stability of Hydrocarbon Free Radicals and Selectivity of Alkane Chlorination Reaction. University Chemistry, 2025, 40(3): 402-407. doi: 10.12461/PKU.DXHX202406003
-
[5]
Hao Wu , Zhen Liu , Dachang Bai . 1H NMR Spectrum of Amide Compounds. University Chemistry, 2024, 39(3): 231-238. doi: 10.3866/PKU.DXHX202309020
-
[6]
Yuan GAO , Yiming LIU , Chunhui WANG , Zhe HAN , Chaoyue FAN , Jie QIU . A hexanuclear cerium oxo cluster stabilized by furoate: Synthesis, structure, and remarkable ability to scavenge hydroxyl radicals. Chinese Journal of Inorganic Chemistry, 2025, 41(3): 491-498. doi: 10.11862/CJIC.20240271
-
[7]
Haiyang Jin , Yonghai Hui , Yongfei Zhang , Lijun Gao , Yun Wang . Application and Exploration of Nuclear Magnetic Resonance Spectrometer in Undergraduate Basic Laboratory Teaching. University Chemistry, 2025, 40(3): 245-250. doi: 10.12461/PKU.DXHX202406022
-
[8]
Haolin Zhan , Qiyuan Fang , Jiawei Liu , Xiaoqi Shi , Xinyu Chen , Yuqing Huang , Zhong Chen . Noise Reduction of Nuclear Magnetic Resonance Spectroscopy Using Lightweight Deep Neural Network. Acta Physico-Chimica Sinica, 2025, 41(2): 2310045-0. doi: 10.3866/PKU.WHXB202310045
-
[9]
Min LIU , Huapeng RUAN , Zhongtao FENG , Xue DONG , Haiyan CUI , Xinping WANG . Neutral boron-containing radical dimers. Chinese Journal of Inorganic Chemistry, 2025, 41(1): 123-130. doi: 10.11862/CJIC.20240362
-
[10]
Zhuoming Liang , Ming Chen , Zhiwen Zheng , Kai Chen . Multidimensional Studies on Ketone-Enol Tautomerism of 1,3-Diketones By 1H NMR. University Chemistry, 2024, 39(7): 361-367. doi: 10.3866/PKU.DXHX202311029
-
[11]
Tongyan Yu , Pan Xu . Visible-Light Photocatalyzed Radical Rearrangement Reaction. University Chemistry, 2025, 40(7): 169-176. doi: 10.12461/PKU.DXHX202409070
-
[12]
Jiajia Li , Xiangyu Zhang , Zhihan Yuan , Zhengyang Qian , Jian Zhu . 3D Printing Based on Photo-Induced Reversible Addition-Fragmentation Chain Transfer Polymerization. University Chemistry, 2024, 39(5): 11-19. doi: 10.3866/PKU.DXHX202309073
-
[13]
Zijian Zhao , Yanxin Shi , Shicheng Li , Wenhong Ruan , Fang Zhu , Jijun Jiang . A New Exploration of the Preparation of Polyacrylic Acid by Free Radical Polymerization Based on the Concept of Green Chemistry. University Chemistry, 2024, 39(5): 315-324. doi: 10.3866/PKU.DXHX202311094
-
[14]
.
CCS Chemistry | 超分子活化底物为自由基促进高效选择性光催化氧化
. CCS Chemistry, 2025, 7(10.31635/ccschem.025.202405229): -. -
[15]
Yinjie Xu , Suiqin Li , Lihao Liu , Jiahui He , Kai Li , Mengxin Wang , Shuying Zhao , Chun Li , Zhengbin Zhang , Xing Zhong , Jianguo Wang . Enhanced Electrocatalytic Oxidation of Sterols using the Synergistic Effect of NiFe-MOF and Aminoxyl Radicals. Acta Physico-Chimica Sinica, 2024, 40(3): 2305012-0. doi: 10.3866/PKU.WHXB202305012
-
[16]
Zhongyan Cao , Shengnan Jin , Yuxia Wang , Yiyi Chen , Xianqiang Kong , Yuanqing Xu . Advances in Highly Selective Reactions Involving Phenol Derivatives as Aryl Radical Precursors. University Chemistry, 2025, 40(4): 245-252. doi: 10.12461/PKU.DXHX202405186
-
[17]
Danqing Wu , Jiajun Liu , Tianyu Li , Dazhen Xu , Zhiwei Miao . Research Progress on the Simultaneous Construction of C—O and C—X Bonds via 1,2-Difunctionalization of Olefins through Radical Pathways. University Chemistry, 2024, 39(11): 146-157. doi: 10.12461/PKU.DXHX202403087
-
[18]
Dan Liu . 可见光-有机小分子协同催化的不对称自由基反应研究进展. University Chemistry, 2025, 40(6): 118-128. doi: 10.12461/PKU.DXHX202408101
-
[19]
Xinxin Wu . 基础有机化学教学中自由基重排反应的课程设计及其课程思政元素的融入. University Chemistry, 2025, 40(6): 316-325. doi: 10.12461/PKU.DXHX202408055
-
[20]
Lina Feng , Guoyu Jiang , Xiaoxia Jian , Jianguo Wang . Application of Organic Radical Materials in Biomedicine. University Chemistry, 2025, 40(4): 253-260. doi: 10.12461/PKU.DXHX202405171
-
[1]
Metrics
- PDF Downloads(2104)
- Abstract views(3360)
- HTML views(46)