CAS: 68207-00-1; N-Ethyl-N,N-Dimethyldodecan-1-Aminium Bromide

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CAS号74-96-4 溴乙烷 | CAS号112-18-5 十二烷基二甲基叔胺

溴乙烷,十二烷基二甲基叔胺 以 乙醇 作为反应溶剂,化学反应生成 十二烷基二甲基乙基溴化铵
参考文献:Properties Of Dilute Aqueous Solutions Of Double-Chain Surfactants,Alkyldodecyldimethylammonium Bromides With A Change In The Length Of The Alkyl Chains
标题:Properties Of Dilute Aqueous Solutions Of Double-Chain Surfactants,Alkyldodecyldimethylammonium Bromides With A Change In The Length Of The Alkyl Chains
摘要:合成了一系列阳离子表面活性剂,即以十二烷基为第一烷基链,以甲基,乙基,丙基,丁基,己基,辛基和癸基为第二烷基链的二烷基二甲基溴化铵,以及以二辛基,二癸基和二十二烷基为对称烷基链的阳离子表面活性剂,并通过测量其水溶液的电导率和气液表面张力来研究它们的性质,从而根据弗鲁姆金方程形式的二维晶格模型确定它们在配方中的临界胶束浓度(cmc)和表面吸附参数.cmc 的变化表明,对于第二烷基链较短的不对称双链表面活性剂来说,每个亚甲基单位从水转移到胶束的自由能很小,随着第二烷基的拉长,其自由能接近于单链和对称双链表面活性剂的自由能.对于所研究的所有种类,转移到空气-溶液界面的自由能随着碳氢链总长度的增加而近似线性下降.对称双链表面活性剂分子的晶格面积随着碳氢化合物长度的增加而减小.在一系列不对称分子中,第二个烷基为己基的分子的晶格面积最大.
DOI:10.1246/bcsj.76.1903

专利信息

专利号:US-2012190064-A1
优先权日:2004-10-01
标题 :Feeding buffers, systems, and methods for in vitro synthesis of biomolecules
发明人：KUDLICKI WIESLAW ANTONI; KEPPETIPOLA SHIRANTHI; FLETCHER JULIA; GETBEHEAD ASHLEY ELAINE; KATZEN FEDERICO; VOZZA-BROWN LAURA
权利人:KUDLICKI WIESLAW ANTONI; KEPPETIPOLA SHIRANTHI; FLETCHER JULIA; GETBEHEAD ASHLEY ELAINE; KATZEN FEDERICO; VOZZA-BROWN LAURA; LIFE TECHNOLOGIES CORP
摘要:Compositions, methods and kits for in vitro systems for synthesis of biomolecules such as polypeptides, are provided herein. Cell extracts that provide enhanced yields of soluble proteins using in vitro protein synthesis methods are provided. The invention also includes methods for producing high yields of proteins by the addition of a feeding solution that includes amino acids and an energy source to an ongoing in vitro synthesis system. The invention also includes methods of using a high-yield in vitro synthesis system to produce large quantities of proteins with incorporated labeled amino acids for analysis by methods such as by NMR. The invention further includes vectors for enhanced production of proteins from nucleic acid templates using in vitro synthesis systems.

专利号:US-12383499-B2
优先权日:2018-01-01
标题:Scale up synthesis of silicasome nanocarriers
发明人：NEL ANDRE E; MENG HUAN; LIU XIANGSHENG
权利人:UNIV CALIFORNIA
摘要:In order to facilitate the approval and commercialization of silicasome drug delivery systems (e.g. irinotecan silicasomes) it is necessary to scale up synthesis of the drug-loaded silicasomes. In this regard, it was discovered that the synthesis protocols used for laboratory synthesis of drug-loaded silicasomes (e.g., 500 mg/batch) do not scale to large scale silicasome production, because the resulting products were too heterogeneous for use as pharmaceuticals. Accordingly, new methods are provided herein that effectively afford the large-scale production of mesoporous silica nanoparticles (MSNPs) and lipid bilayer coated MSNPs (silicasomes).

专利号:US-2022355262-A1
优先权日:2019-07-22
标题 :System and method for manufacturing water-based hydrophobic aerogels and aerogel composites
发明人：SACHITHANADAM MAHESH; KHORASGANI SOGHRATI ELMIRA; NATARAJAN GAYATHRI
权利人:KROSSLINKER PTE LTD
摘要:Embodiments of the present invention provide users with a system and method for manufacturing water-based hydrophobic aerogels and aerogel composites. The system and method can be carried out in a manner which is more rapid than typical ways and can be readily scalable. The method of manufacture is useful for producing water based hydrophobic aerogels and aerogel composites on a large scale with good homogeneity and consistency. Advantageously, the method of manufacture also has the benefit of a shorter processing time due to the vacuum homogenizing and mixing processes, the use of microwave assisted vacuum freeze drying for ease of synthesis of water-based hydrophobic aerogels.

专利号:EP-3735250-A1
优先权日:2018-01-01
标题:Scale up synthesis of silicasome nanocarriers

专利号:US-2019216736-A1
优先权日:2018-01-01
标题:Scale up synthesis of silicasome nanocarriers

专利号:US-12344944-B2
优先权日:2019-06-24
标题 :Method for HF-free facile and rapid synthesis of MXenes related compounds
发明人：HAO JIANHUA; PANG SIN YI
权利人:UNIV HONG KONG POLYTECHNIC
摘要:Provided herein is a method for preparing MXenes, such as Ti2CTx, Cr2CTx, and V2CTx, products prepared therefrom, and compositions and devices including the same.