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Lipase-Catalyzed Synthesis of <i>Sni>-2 Palmitate: A Review Review

Wei Wei, Cong Sun, Xiaosan Wang, Qingzhe Jin, Xuebing Xu, Casimir C. Akoh, Xingguo Wang

Engineering 2020, Volume 6, Issue 4,   Pages 406-414 doi: 10.1016/j.eng.2020.02.008

Abstract:

Human milk fat (HMF) is an important source of nutrients and energy for infants.HMF is highly enriched in palmitic acid (PA) at the sn-2 position of the glycerol backbone (In this review, the development of the lipase-catalyzed synthesis of sn-2 palmitate over theTAGs synthesis, to general methods of TAG analysis, and to successfully developed sn-2 palmitateProspects for the lipase-catalyzed synthesis of sn-2 palmitate are discussed.

Keywords： Structured triacylglycerols，Palmitic acid，Human milk fat substitutes，Lipase-catalyzed reaction，<i>Sni> palmitate，Quantitative analysis    

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Study of ultrasound-promoted, lipase-catalyzed synthesis of fructose ester

Kai ZHU, Hui LIU, Pingfang HAN, Ping WEI,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 367-371 doi: 10.1007/s11705-009-0312-4

Abstract: Here we describe the experimental study of the effect of ultrasounds of different intensity on the lipase-catalyzedperformance liquid chromatography (HPLC) and thin layer chromatography (TLC) were used for qualitative and quantitativeimportant role in our lipase-catalyzed reaction.It decreased reaction time as compared to a reaction without ultrasound that resulted in the same yieldwas favorable for the reaction.
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Perfluoroalkane acids in human milk under the global monitoring plan of the Stockholm Convention on Persistent

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1541-8

Abstract:

● Perfluorooctanesulfonic acid and perfluorooctanoic acid highest inhuman milk.

Keywords： Human biomonitoring     Human breast milk     LC-MS/MS analysis     Lifestyle parameters    

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Octane compositions in sulfuric acid catalyzed isobutane/butene alkylation products: experimental and

Lina Liang, Youzhi Liu, Weizhou Jiao, Qiaoling Zhang, Chao Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1229-1242 doi: 10.1007/s11705-020-2030-x

Abstract: Based on a classic carbenium ion mechanism, the carbocation transition states in concentrated sulfuric acidcatalyzed alkylation were investigated using quantum-chemical simulations and predicted the concentration

Keywords： sulfuric acid catalyzed alkylation     carbocation reaction     transition state     octane compositions    

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Regioselective acylation of pyridoxine catalyzed by immobilized lipase in ionic liquid

BAI Shu, REN Mengyuan, WANG Lele, SUN Yan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 301-307 doi: 10.1007/s11705-008-0060-x

Abstract: The regioselective acylation of pyridoxine catalyzed by immobilized lipase () in 1-butyl-3-methylimidazoliumAmong the tested parameters, water activity () and temperature have profound effects on the reactionFor the reaction in [BMIM]PF, higher temperature (50°C–55°C) and lower (<0.01) are preferable conditionsa different rate-temperature profile and a lower velocity at lower temperature in [BMIM]PF-mediated reactionMoreover, consecutive batch reactions for enzyme reuse also show that lipase exhibited a much higher

Keywords： ACN     stability     1-butyl-3-methylimidazolium hexafluorophosphate     different rate-temperature     alternative    

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One-pot three-component Mannich reaction catalyzed by sucrose char sulfonic acid

Qiong XU, Zhigao YANG, Dulin YIN, Jihui WANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 201-205 doi: 10.1007/s11705-009-0052-5

Abstract: Sucrose char sulfonic acid efficiently catalyzed the one-pot three-component Mannich reaction of ketonesThis reaction can be performed under mild reaction conditions with clean reaction profiles and a simple

Keywords： One–pot synthesis     b-amino ketone     char sulfonic acid     2-acetylpyrazine     catalysis    

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Inhibition of protein kinase B by Palmitate in the insulin signaling of HepG2 cells and the preventiveeffect of Arachidonic acid on insulin resistance

XIA Yanzhi, WAN Xuedong, DUAN Qiuhong, HE Shansu, WANG Ximing

Frontiers of Medicine 2007, Volume 1, Issue 2,   Pages 200-206 doi: 10.1007/s11684-007-0038-y

Abstract: In this study, we investigated the effects of two fatty acids, palmitate (PA) and arach

Keywords： palmitate     characteristic     study     plasma     resistance    

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Expression of recombinant human butyrylcholinesterase in the milk of transgenic mice

Dan LU,Shengzhe SHANG,Shen LIU,Ying WU,Fangfang WU,Tan TAN,Qiuyan LI,Yunping DAI,Xiaoxiang HU,Yaofeng ZHAO,Ning LI

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 3,   Pages 179-184 doi: 10.15302/J-FASE-2014020

Abstract: Due to the limited yield of human BCHE (hBCHE) when purifying from human plasma, it is necessary to findOne potential method is to produce transgenic livestock that make modified milk containing high concentrationIn this study, we cloned the gene into a human lactoferrin (hLF) bacterial artificial chromosome (BACExpression analysis showed that recombinant hBCHE (rhBCHE) was expressed efficiently in the mammary glandof the transgenic mice and the concentration of rhBCHE in the milk of individual mice ranged from 76

Keywords： recombinant human butyrylcholinesterase (rhBCHE)     human lactoferrin bacterial artificial chromosome (hLFBAC)     transgenic mice     milk    

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Genomic and metabolomic analysis of with enhanced poly--glutamic acid production through atmospheric

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1751-1760 doi: 10.1007/s11705-022-2211-x

Abstract: Poly-<i>γi>-glutamic acid is an extracellular polymeric substance with various applications owing toHowever, the ability of natural strains to produce poly-<i>γi>-glutamic acid is low.Genome resequencing analysis identified 7 nonsynonymous mutations of <i>ppsCi> encoding lipopeptidesynthetase associated with poly-<i>γi>-glutamic acid metabolic pathways.γi>-glutamic acid production.

Keywords： ARTP mutagenesis     <i>Bacillus licheniformisi>     poly-<i>γi>-glutamic acid     metabolomics    

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High <i>Sni>-2 Docosahexaenoic Acid Lipids for Brain Benefits, and Their Enzymatic Syntheses: A Review Review

Jun Jin, Qingzhe Jin, Xingguo Wang, Casimir C. Akoh

Engineering 2020, Volume 6, Issue 4,   Pages 424-431 doi: 10.1016/j.eng.2020.02.009

Abstract: and maintenance of central neural functions are highly correlated with the amount of docosahexaenoic acidspan style="font-family:"Times New Roman","serif"">ω-3 fatty acidstyle="font-family:"Times New Roman","serif"">ω-6 fatty acidTo provide an understanding of the integrated beneficial effects of DHA on the human brain, this review

Keywords： Docosahexaenoic acid， Sn-2 docosahexaenoic acid，Monoacylglycerol，Brain，Gut-brain axis，Structured lipid    

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Ni-Co alloy catalysts: preparation and performance for aqueous phase hydrodeoxygenation of methyl palmitate

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 443-460 doi: 10.1007/s11705-021-2079-1

Abstract: Compared with those of metallic Ni and Co, the <i>di>-band center of the Ni-Co alloy shifted away fromIn the <i>in-situi> aqueous phase hydrodeoxygenation of methyl palmitate with methanol as the hydrogenThe Ni-Co@C catalysts gave higher activity than the Ni@C and Co@C catalysts, and the yields of <i>ni>-pentadecane and <i>ni>-C6–<i>ni>-C16 reached 71.6% and 92.6%, respectively

Keywords： Stöber method     carbon-coated Ni-Co alloy     <i>in-situi> hydrodeoxygenation     methyl palmitate     decarbonylation    

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Continuous reaction performances of benzene alkylation with long chain olefins catalyzed by ionic liquid

QIAO Congzhen, LI Chengyue

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 69-73 doi: 10.1007/s11705-008-0014-3

Abstract: Based on a compulsive mixing-reacting-separating-recycling small experimental setup,the continuous reactionperformances of benzene alkylation with long chain olefins catalyzed by [BMIM]Cl-AlCl ionic liquid wereEven under the relatively hypecritical reaction conditions, the single pass conversion of pure 1-dodecene

Keywords： stability     different     hypecritical     compulsive mixing-reacting-separating-recycling     non-benzene    

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CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1539-2

Abstract: sub>2 doping significantly improved low-temperature NH3-SCR activity on FeTiO<i>xi>.

Keywords： NH3-SCR     CeO2 doping     Low-temperature NO<i>xi> removal     Improved redoxproperty     <i>In situi> XAFS analysis    

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Comparative analysis of ceramic-carbonate nanocomposite fuel cells using composite GDC/NLC electrolytewith different perovskite structured cathode materials

Muhammad I. Asghar, Sakari Lepikko, Janne Patakangas, Janne Halme, Peter D. Lund

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 162-173 doi: 10.1007/s11705-017-1642-2

Abstract: A comparative analysis of perovskite structured cathode materials, La Sr MnO (LSM), La Sr CoO (LSC)Microscopy measurements together with energy dispersive X-ray spectroscopy (EDS) elementary analysisFurthermore, electrochemical impedance (EIS) analysis showed that LSC had the lowest resistance to oxygenreduction reaction (ORR) (14.12 Ω·cm ) followed by LSF (15.23 Ω·cm ), LSCF (19.38 Ω·cm )

Keywords： electrode     fuel cell     low-temperature     nanocomposite     perovskite    

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An experimental characterization of human torso motion

Daniele CAFOLLA,I-Ming CHEN,Marco CECCARELLI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 311-325 doi: 10.1007/s11465-015-0352-z

Abstract:

The torso plays an important role in the human-like operation of humanoids.In this paper, a method is proposed to analyze the behavior of the human torso by using inertial andExperiments are conducted to characterize the motion performance of the human torso during daily routineFurthermore, the forces acting on the human body during these operations are evaluated to design and

Keywords： experimental biomechanics     human torso     analysis     inertial sensor     characterization    

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Title Author Date Type Operation

Lipase-Catalyzed Synthesis of <i>Sni>-2 Palmitate: A Review

Wei Wei, Cong Sun, Xiaosan Wang, Qingzhe Jin, Xuebing Xu, Casimir C. Akoh, Xingguo Wang

Journal Article

Study of ultrasound-promoted, lipase-catalyzed synthesis of fructose ester

Kai ZHU, Hui LIU, Pingfang HAN, Ping WEI,

Journal Article

Perfluoroalkane acids in human milk under the global monitoring plan of the Stockholm Convention on Persistent

Journal Article

Octane compositions in sulfuric acid catalyzed isobutane/butene alkylation products: experimental and

Lina Liang, Youzhi Liu, Weizhou Jiao, Qiaoling Zhang, Chao Zhang

Journal Article

Regioselective acylation of pyridoxine catalyzed by immobilized lipase in ionic liquid

BAI Shu, REN Mengyuan, WANG Lele, SUN Yan

Journal Article

One-pot three-component Mannich reaction catalyzed by sucrose char sulfonic acid

Qiong XU, Zhigao YANG, Dulin YIN, Jihui WANG

Journal Article

Inhibition of protein kinase B by Palmitate in the insulin signaling of HepG2 cells and the preventiveeffect of Arachidonic acid on insulin resistance

XIA Yanzhi, WAN Xuedong, DUAN Qiuhong, HE Shansu, WANG Ximing

Journal Article

Expression of recombinant human butyrylcholinesterase in the milk of transgenic mice

Dan LU,Shengzhe SHANG,Shen LIU,Ying WU,Fangfang WU,Tan TAN,Qiuyan LI,Yunping DAI,Xiaoxiang HU,Yaofeng ZHAO,Ning LI

Journal Article

Genomic and metabolomic analysis of with enhanced poly--glutamic acid production through atmospheric

Journal Article

High <i>Sni>-2 Docosahexaenoic Acid Lipids for Brain Benefits, and Their Enzymatic Syntheses: A Review

Jun Jin, Qingzhe Jin, Xingguo Wang, Casimir C. Akoh

Journal Article

Ni-Co alloy catalysts: preparation and performance for aqueous phase hydrodeoxygenation of methyl palmitate

Journal Article

Continuous reaction performances of benzene alkylation with long chain olefins catalyzed by ionic liquid

QIAO Congzhen, LI Chengyue

Journal Article

CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Journal Article

Comparative analysis of ceramic-carbonate nanocomposite fuel cells using composite GDC/NLC electrolytewith different perovskite structured cathode materials

Muhammad I. Asghar, Sakari Lepikko, Janne Patakangas, Janne Halme, Peter D. Lund

Journal Article

An experimental characterization of human torso motion

Daniele CAFOLLA,I-Ming CHEN,Marco CECCARELLI

Journal Article