Separation of sterols using zeolites

文献信息

发布日期 2001-05-10
DOI 10.1039/B100239M
影响因子 3.676
作者

Mikhail Yu. Berezin, John M. Dzenitis, B. Mason Hughes, Sa V. Ho


查看原文

摘要

Campesterol and β-sitosterol, two similar plant sterols which differ by only one methyl group in a side chain, were successfully separated using NaY zeolite. The zeolite preferentially adsorbed campesterol over β-sitosterol from a hexane solution. Mathematical analysis of the adsorption kinetics showed that the data could be fitted by a simple irreversible adsorption expression. Molecular modeling showed that the sterol and zeolite pore dimensions are such that size selectivity is the likely mechanism for separation. This hypothesis is consistent with the trend in adsorption rates: as the sterol diameter decreases, the adsorption rate increases in the order cholesterol>campesterol>β-sitosterol>stigmasterol.

相关文献

Stacking of double bonds for photochemical [2+2] cycloaddition reactions in the solid state

Mangayarkarasi Nagarathinam, Abdul Malik Puthan Peedikakkal, Jagadese J. Vittal

2008-09-01 Feature Article

DOI: 10.1039/B809136F

Facile preparation of low cytotoxicity fluorescent carbon nanocrystals by electrooxidation of graphite

Qiao-Ling Zhao, Zhi-Ling Zhang, Bi-Hai Huang, Jun Peng, Min Zhang, Dai-Wen Pang

2008-09-24 Communication

DOI: 10.1039/B812420E

In situ synthesis of Cu nanocatalysts on ZnO whiskers embedded in a microstructured paper composite for autothermal hydrogen production

Hirotaka Koga, Takuya Kitaoka, Hiroyuki Wariishi

2008-09-26 Communication

DOI: 10.1039/B812216D

Back matter

Front/Back Matter

DOI: 10.1039/B817549G

Single-molecule fluorescence spectroelectrochemistry of cresyl violet

Chenghong Lei, Dehong Hu, Eric J. Ackerman

2008-09-12 Communication

DOI: 10.1039/B812161C

Cycloaddition reactions of transition metal hydrazides with alkynes and heteroalkynes: coupling of TiNNPh2 with PhCCMe, PhCCH, MeCN and tBuCP

Jonathan D. Selby, Christian Schulten, Andrew D. Schwarz, Andreas Stasch, Eric Clot, Cameron Jones, Philip Mountford

2008-09-23 Communication

DOI: 10.1039/B813911C

Dendrimer design using CuI-catalyzed alkyne–azide “click-chemistry”

Grégory Franc, Ashok Kakkar

2008-09-17 Feature Article

DOI: 10.1039/B809870K

Reversible fluorescence modulation through energy transfer with ABC triblock copolymer micelles as scaffolds

Jian Chen, Fang Zeng, Shuizhu Wu, Jianqing Zhao, Qiming Chen, Zhen Tong

2008-09-25 Communication

DOI: 10.1039/B810677K

SO2-promoted catalytic N2O removal over iron zeolites

Miguel A. G. Hevia, Sònia Abelló

2008-09-19 Communication

DOI: 10.1039/B811703A

您可能还喜欢

化合物问答

2-氨基-2-(5-甲基噻吩-2-基)乙酸(CAS号:89776-66-9)应用于哪些行业?

2-氨基-2-(5-甲基噻吩-2-基)乙酸主要应用于医药、聚合物、传感器和半导体等行业。在医药领域,它作为中间体用于合成各种药物。在聚合物行业,它可以用作稳定剂...

89776-66-9Amino(5-methyl-2-thi...
化合物问答

什么是N-(叔丁氧羰基)-3-碘吲唑(CAS号:290368-00-2)?

N-(叔丁氧羰基)-3-碘吲唑是一种化学化合物,其英文名称为2-Methyl-2-propanyl 3-iodo-1H-indazole-1-carboxyla...

290368-00-22-Methyl-2-propanyl ...
化合物问答

N-芴甲氧羰基-D-谷氨酸(CAS号:104091-09-0)的市场或研究趋势如何?

该化合物作为重要的保护基,广泛应用于生物有机化学合成中,尤其在肽类、蛋白质和寡核苷酸的研究领域。随着合成生物学和药物开发的进展,该化合物的需求持续增长。未来的研...

104091-09-0N-[(9H-Fluoren-9-ylm...
化合物问答

2-乙氧基-1-萘酰氯(CAS号:55150-29-3)的市场或研究趋势如何?

2-乙氧基-1-萘酰氯在研究领域中主要用于合成研究和有机化学反应,随着有机合成技术的发展,其市场应用和研究兴趣可能会有所增长。尤其是在新型药物合成和新材料开发领...

55150-29-32-Ethoxy-1-naphthoyl...
化合物问答

1-甲氧基菜豆素(CAS号:65428-13-9)的主要用途是什么?

1-甲氧基菜豆素主要应用于有机合成、药物化学领域,作为合成其他有机化合物的中间体或前体。此外,由于其特殊的化学性质,也可能用于某些特定的化学研究和实验中。

65428-13-9(6aR,11aR)-1-Methoxy...
化合物问答

small>-2-氨基丁酸(CAS号:106873-99-8)的主要用途是什么?

small>-2-氨基丁酸主要应用于有机合成和化学研究中,作为中间体或试剂使用。此外,它还可能用于某些药物合成过程中。

106873-99-82-Formamidobutanoic ...
化合物问答

什么是5-氨基-2-氯-n-(2-呋喃甲基)苯甲酰胺(CAS号:926216-59-3)?

5-氨基-2-氯-n-(2-呋喃甲基)苯甲酰胺是一种有机化合物,其分子式为C11H9ClN3O。它具有一定的生物活性,在合成化学和药物化学中有一定的应用价值。

926216-59-35-Amino-2-chloro-N-(...
化合物问答

4-(3-溴苯甲酰基)-哌嗪-1-羧酸叔丁酯(CAS号:890153-34-1)适用哪些法规指南?

该化合物根据其化学性质和用途,可能需要符合GHS(全球化学品统一分类和标签制度)的分类标准,包括急性毒性、皮肤腐蚀/刺激、严重眼损伤/眼刺激等类别。此外,根据其...

890153-34-12-Methyl-2-propanyl ...
化合物问答

如何储存(9ci)-2,4-二甲基-1H-吡咯-3-甲腈(CAS号:26187-28-0)?

应将(9ci)-2,4-二甲基-1H-吡咯-3-甲腈存放在阴凉、干燥的地方,避免阳光直射。储存容器应密封良好,防止挥发和污染。建议温度保持在20-25℃之间,湿...

26187-28-02,4-Dimethyl-1H-pyrr...
化合物问答

巨大戟醇-5,20-缩丙酮-3-当归酸酯(CAS号:87980-68-5)通常如何合成?

该化合物通常通过合成当归酸酯的方法制备,具体步骤为将当归酸酯与巨大戟醇-5,20-缩丙酮进行缩合反应,反应条件为温和的酸性环境,通常使用三氟乙酸作为催化剂。该合...

87980-68-5(4S,5S,6R,18R)-5-Hyd...

来源期刊

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
自引率: 10.3%
年发文量: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

推荐供应商

免责声明
本页面提供的学术期刊信息仅供参考和研究使用。我们与任何期刊出版商均无关联,也不处理投稿事宜。如有投稿相关咨询,请直接联系相关期刊出版商。
如发现页面信息有误,请发送邮件至 support@chemtradehub.com 联系我们。我们将及时核实并处理您的问题。