Citation: Qing Tao PENG, Wen Xiang HU, Sheng Jian TAN, Pei Rang CHEN, Xiang Xian ZHANG. Determination of Vitamin D2 and Vitamin D3 in the Caltrate Weikang Capsules by HPLC[J]. Chinese Chemical Letters, ;1997, 8(12): 1065-1068.
-
The Caltrate Weikang capsules made by us is a high potency calcium preparation,in which vitamin D can promote the body's calcium absorption and the bones calcification.A sensitive HPLC method for the determination of VD2 and VD3 in Caltrate Weikang capsules was established and VD stability was also examined.
-
-
[1]
Yuan Teng , Zichun Zhou , Jinghua Chen , Siying Huang , Hongyan Chen , Daibin Kuang . Dual atom-bridge effect promoting interfacial charge transfer in 2D/2D Cs3Bi2Br9/BiOBr epitaxial heterojunction for efficient photocatalysis. Chinese Chemical Letters, 2025, 36(2): 110430-. doi: 10.1016/j.cclet.2024.110430
-
[2]
Haojie Duan , Hejingying Niu , Lina Gan , Xiaodi Duan , Shuo Shi , Li Li . Reinterpret the heterogeneous reaction of α-Fe2O3 and NO2 with 2D-COS: The role of SDS, UV and SO2. Chinese Chemical Letters, 2024, 35(6): 109038-. doi: 10.1016/j.cclet.2023.109038
-
[3]
Hualin Jiang , Wenxi Ye , Huitao Zhen , Xubiao Luo , Vyacheslav Fominski , Long Ye , Pinghua Chen . Novel 3D-on-2D g-C3N4/AgI.x.y heterojunction photocatalyst for simultaneous and stoichiometric production of H2 and H2O2 from water splitting under visible light. Chinese Chemical Letters, 2025, 36(2): 109984-. doi: 10.1016/j.cclet.2024.109984
-
[4]
Liyong Ding , Zhenhua Pan , Qian Wang . 2D photocatalysts for hydrogen peroxide synthesis. Chinese Chemical Letters, 2024, 35(12): 110125-. doi: 10.1016/j.cclet.2024.110125
-
[5]
Cailiang Yue , Nan Sun , Yixing Qiu , Linlin Zhu , Zhiling Du , Fuqiang Liu . A direct Z-scheme 0D α-Fe2O3/TiO2 heterojunction for enhanced photo-Fenton activity with low H2O2 consumption. Chinese Chemical Letters, 2024, 35(12): 109698-. doi: 10.1016/j.cclet.2024.109698
-
[6]
Yuexi Guo , Zhaoyang Li , Jingwei Dai . Charlie and the 3D Printing Chocolate Factory. University Chemistry, 2024, 39(9): 235-242. doi: 10.3866/PKU.DXHX202309067
-
[7]
Yue Li , Minghao Fan , Conghui Wang , Yanxun Li , Xiang Yu , Jun Ding , Lei Yan , Lele Qiu , Yongcai Zhang , Longlu Wang . 3D layer-by-layer amorphous MoSx assembled from [Mo3S13]2- clusters for efficient removal of tetracycline: Synergy of adsorption and photo-assisted PMS activation. Chinese Chemical Letters, 2024, 35(9): 109764-. doi: 10.1016/j.cclet.2024.109764
-
[8]
Junjun Huang , Ran Chen , Yajian Huang , Hang Zhang , Anran Zheng , Qing Xiao , Dan Wu , Ruxia Duan , Zhi Zhou , Fei He , Wei Yi . Discovery of an enantiopure N-[2-hydroxy-3-phenyl piperazine propyl]-aromatic carboxamide derivative as highly selective α1D/1A-adrenoceptor antagonist and homology modelling. Chinese Chemical Letters, 2024, 35(11): 109594-. doi: 10.1016/j.cclet.2024.109594
-
[9]
Caili Yang , Tao Long , Ruotong Li , Chunyang Wu , Yuan-Li Ding . Pseudocapacitance dominated Li3VO4 encapsulated in N-doped graphene via 2D nanospace confined synthesis for superior lithium ion capacitors. Chinese Chemical Letters, 2025, 36(2): 109675-. doi: 10.1016/j.cclet.2024.109675
-
[10]
Jie XIE , Hongnan XU , Jianfeng LIAO , Ruoyu CHEN , Lin SUN , Zhong JIN . Nitrogen-doped 3D graphene-carbon nanotube network for efficient lithium storage. Chinese Journal of Inorganic Chemistry, 2024, 40(10): 1840-1849. doi: 10.11862/CJIC.20240216
-
[11]
Xi Xu , Chaokai Zhu , Leiqing Cao , Zhuozhao Wu , Cao Guan . Experiential Education and 3D-Printed Alloys: Innovative Exploration and Student Development. University Chemistry, 2024, 39(2): 347-357. doi: 10.3866/PKU.DXHX202308039
-
[12]
Qiang Zhou , Pingping Zhu , Wei Shao , Wanqun Hu , Xuan Lei , Haiyang Yang . Innovative Experimental Teaching Design for 3D Printing High-Strength Hydrogel Experiments. University Chemistry, 2024, 39(6): 264-270. doi: 10.3866/PKU.DXHX202310064
-
[13]
Changyuan Bao , Yunpeng Jiang , Haoyin Zhong , Huaizheng Ren , Junhui Wang , Binbin Liu , Qi Zhao , Fan Jin , Yan Meng Chong , Jianguo Sun , Fei Wang , Bo Wang , Ximeng Liu , Dianlong Wang , John Wang . Synergizing 3D-printed structure and sodiophilic interface enables highly efficient sodium metal anodes. Chinese Chemical Letters, 2024, 35(11): 109353-. doi: 10.1016/j.cclet.2023.109353
-
[14]
Bin Chen , Chaoyang Zheng , Dehuan Shi , Yi Huang , Renxia Deng , Yang Wei , Zheyuan Liu , Yan Yu , Shenghong Zhong . p-d orbital hybridization induced by CuGa2 promotes selective N2 electroreduction. Chinese Journal of Structural Chemistry, 2025, 44(1): 100468-100468. doi: 10.1016/j.cjsc.2024.100468
-
[15]
Chaozheng He , Jia Wang , Ling Fu , Wei Wei . Nitric oxide assists nitrogen reduction reaction on 2D MBene: A theoretical study. Chinese Chemical Letters, 2024, 35(5): 109037-. doi: 10.1016/j.cclet.2023.109037
-
[16]
Jaeyong Ahn , Zhenping Li , Zhiwei Wang , Ke Gao , Huagui Zhuo , Wanuk Choi , Gang Chang , Xiaobo Shang , Joon Hak Oh . Surface doping effect on the optoelectronic performance of 2D organic crystals based on cyano-substituted perylene diimides. Chinese Chemical Letters, 2024, 35(9): 109777-. doi: 10.1016/j.cclet.2024.109777
-
[17]
Lili Wang , Ya Yan , Rulin Li , Xujie Han , Jiahui Li , Ting Ran , Jialu Li , Baichuan Xiong , Xiaorong Song , Zhaohui Yin , Hong Wang , Qingjun Zhu , Bowen Cheng , Zhen Yin . Interface engineering of 2D NiFe LDH/NiFeS heterostructure for highly efficient 5-hydroxymethylfurfural electrooxidation. Chinese Chemical Letters, 2024, 35(9): 110011-. doi: 10.1016/j.cclet.2024.110011
-
[18]
Xiao-Hong Yi , Chong-Chen Wang . Metal-organic frameworks on 3D interconnected macroporous sponge foams for large-scale water decontamination: A mini review. Chinese Chemical Letters, 2024, 35(5): 109094-. doi: 10.1016/j.cclet.2023.109094
-
[19]
Yi Zhu , Jingyan Zhang , Yuchao Zhang , Ying Chen , Guanghui An , Ren Liu . Designing unimolecular photoinitiator by installing NHPI esters along the TX backbone for acrylate photopolymerization and their applications in coatings and 3D printing. Chinese Chemical Letters, 2024, 35(7): 109573-. doi: 10.1016/j.cclet.2024.109573
-
[20]
Jie Wu , Xiaoqing Yu , Guoxing Li , Su Chen . Engineering particles towards 3D supraballs-based passive cooling via grafting CDs onto colloidal photonic crystals. Chinese Chemical Letters, 2024, 35(4): 109234-. doi: 10.1016/j.cclet.2023.109234
-
[1]
Metrics
- PDF Downloads(1)
- Abstract views(627)
- HTML views(0)