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Use of dry yeast cells as a cheap nitrogen source for lactic acid production by thermophilic

Kim Yng Ooi, Jin Chuan Wu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 381-385 doi: 10.1007/s11705-015-1534-2

Abstract: yeast cells (DYC) were used as a cheap nitrogen source to replace expensive yeast extract (YE) for L-lacticCassava starch (200 g·L ) was converted to L-lactic acid by simultaneous saccharification and fermentationusing WCP10-4 at 50 °C in the presence of 20 g·L of DYC, giving 148.1 g·L of L-lactic acid at 27In contrast, 154.4 g·L of lactic acid was produced at 24 h with a productivity of 6.4 g·L ·h and aUse of pre-autolyzed DYC at 50 °C for overnight slightly improved the lactic acid titer (154.5 g·L )

Keywords： L-lactic acid     thermophilic strain     Bacillus coagulans     dry yeast cells     autolysis     fermentation    

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Effect of polyethylene glycol on the crystallization, rheology and foamability of poly(lactic acid) containing

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2074-2087 doi: 10.1007/s11705-023-2342-8

Abstract: In this study, the rheological properties, crystallization and foaming behavior of poly(lactic acid)that the polyamide 6 nanofibrils and polyethylene glycol had a synergistic effect on accelerating poly(lacticacid) crystallization.Furthermore, the poly(lactic acid)/polyamide 6 foams exhibited a higher cell density and expansion ratio

Keywords： poly(lactic acid)     foaming     microfibrillation     rheological property     crystallization    

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Invading target cells: multifunctional polymer conjugates as therapeutic nucleic acid carriers

Ulrich L?CHELT, Ernst WAGNER

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 275-286 doi: 10.1007/s11705-011-1203-z

Abstract: In the case of nucleic acid therapy, non-viral carriers face several biological barriers during the deliveryand conjugation of multifunctional polymeric structures for the utilization as “tailor-made” nucleic acid

Keywords： conjugate     DNA     gene transfer     polymer     RNA     targeting    

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Polymeric micelle nanocarriers in cancer research

Dae Hwan Shin, Yu Tong Tam, Glen S. Kwon

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 348-359 doi: 10.1007/s11705-016-1582-2

Abstract: Amphiphilic block copolymers (ABCs) assemble into a spherical nanoscopic supramolecular core/shell nanostructure termed a polymeric micelle that has been widely researched as an injectable nanocarrier for poorly water-soluble anticancer agents. The aim of this review article is to update progress in the field of drug delivery towards clinical trials, highlighting advances in polymeric micelles used for drug solubilization, reduced off-target toxicity and tumor targeting by the enhanced permeability and retention (EPR) effect. Polymeric micelles vary in stability in blood and drug release rate, and accordingly play different but key roles in drug delivery. For intravenous (IV) infusion, polymeric micelles that disassemble in blood and rapidly release poorly water-soluble anticancer agent such as paclitaxel have been used for drug solubilization, safety and the distinct possibility of toxicity reduction relative to existing solubilizing agents, e.g., Cremophor EL. Stable polymeric micelles are long-circulating in blood and reduce distribution to non-target tissue, lowering off-target toxicity. Further, they participate in the EPR effect in murine tumor models. In summary, polymeric micelles act as injectable nanocarriers for poorly water-soluble anticancer agents, achieving reduced toxicity and targeting tumors by the EPR effect.

Keywords： nanomedicine     parenteral     poly(ethylene glycol)     poly(lactic acid)     reformulation    

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Diphenylarsinic acid sorption mechanisms in soils using batch experiments and EXAFS spectroscopy

Zhu, Yongming Luo, Ruyi Yang, Shoubiao Zhou, Juqin Zhang, Mengyun Zhang, Peter Christie, Elizabeth L.

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1237-x

Abstract: Diphenylarsinic acid (DPAA) is a phenyl arsenic compound derived from chemical warfare weapons.

Keywords： Diphenylarsinic acid     EXAFS     Fe (hydr)oxide     Soil organic matter     Sorption mechanism    

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Enhanced Fenton-like process over Cu/L(+)-ascorbic acid co-doping mesoporous silica for toxicity reduction

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1804-7

Abstract:

● Cu-C-MSNs are developed via a co-doping step of Cu with L(+)-ascorbicacid.

Keywords： Cation-π structures     Polarization electric field     Fenton-like process     Contaminants cleavage    

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Enhancing the Surface Properties of a Bioengineered Anterior Cruciate Ligament Matrix for Use with Point-of-Care Stem Cell Therapy Article

Xiaohua Yu, Paulos Y. Mengsteab, Ganesh Narayanan, Lakshmi S. Nair, Cato T. Laurencin

Engineering 2021, Volume 7, Issue 2,   Pages 153-161 doi: 10.1016/j.eng.2020.02.010

Abstract:

We have previously developed a poly(L-lactic) acid (PLLA) bioengineered anterior cruciate

Keywords： Anterior cruciate ligament     Ligament Poly(L-lactic) acid plasma treatment     Fibronectin     Stem cells    

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Research on bio-based degradable composites

Liu Xiaogang,Wang Li,Li Shizhong,Fan Chenyu

Strategic Study of CAE 2011, Volume 13, Issue 2,   Pages 90-95

Abstract:

Starch/poly (lactic acid) composite is such a potential biodegradableThis paper focuses on status of biodegradable plastics and the research progress on starch/poly (lacticacid) and their composites, and gives a figure of the trend of technology development and industrialization

Keywords： progress     bio-based composites     degradable     starch     poly (lactic acid)    

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Nucleic acid-based diagnostics for infectious diseases in public health affairs

Tam, Parker Y.L. Tsang, April K.Y. Wong, Michael H.K. Hui, Bin Yang, Hao Tang, Lok-Ting Lau

Frontiers of Medicine 2012, Volume 6, Issue 2,   Pages 173-186 doi: 10.1007/s11684-012-0195-5

Abstract: Nucleic acid-based diagnostics, detecting pathogens through the identification of their genomic sequencesHere we review some of the most popular nucleic acid-based diagnostics and focus on their adaptabilityWe also compare and contrast the characteristics of different types of nucleic acid-based diagnostics

Keywords： nucleic acid-based diagnostics     infectious disease     PCR     NASBA     LAMP     microarray     LOAC     public health affairs    

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degradation of trichloroethene by calcium peroxide activated with Fe(III) in the presence of citric acid

Xiang ZHANG,Xiaogang GU,Shuguang LU,Zhouwei MIAO,Minhui XU,Xiaori FU,Muhammad DANISH,Mark L.

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 502-512 doi: 10.1007/s11783-016-0838-x

Abstract: Trichloroethene (TCE) degradation by Fe(III)-activated calcium peroxide (CP) in the presence of citric acidThe presence of Cl , HCO , and humic acid (HA) inhibited TCE degradation to different extents for the

Keywords： calcium peroxide     trichloroethene (TCE)     citric acid     ferric ion     free radicals     oxidation    

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Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1198-1210 doi: 10.1007/s11705-021-2133-z

Abstract: Sulfonic acid functionalized mesoporous silica based solid acid catalysts with different morphology wereThe sulfonic acid functionalized mesoporous silica catalysts of spherical shape and the cube shape werecatalytic biodiesel production reaction over the catalysts were studied by esterification of free fatty acid, oleic acid with methanol.The effect of various reaction parameters such as catalyst concentration, acid/alcohol molar ratio, catalyst

Keywords： solid acid catalyst     mesoporous silica     sulfonic acid     biodiesel     esterification     oleic acid    

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Comments on the special issue on forestry of

John L. INNES

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 4,   Pages 502-503 doi: 10.15302/J-FASE-2017189

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Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 697-699 doi: 10.1007/s11708-022-0843-7

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Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 784-794 doi: 10.1007/s11705-022-2278-4

Abstract: biocatalysts; however, it is limited by the conditions of metal–organic framework synthesis and its acid-baseHerein, a biocatalytic platform with improved acid-base stability was constructed via a one-pot methodusing bismuth-ellagic acid as the carrier.Bismuth-ellagic acid is a green phenol-based metal–organic framework whose organic precursor is extractedacid was enhanced, which remained stable over a wide pH range (2–12) and achieved multiple recycling

Keywords： bismuth-ellagic acid     in situ encapsulation     enzyme@MOF biocomposites    

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Title Author Date Type Operation

Use of dry yeast cells as a cheap nitrogen source for lactic acid production by thermophilic

Kim Yng Ooi, Jin Chuan Wu

Journal Article

Effect of polyethylene glycol on the crystallization, rheology and foamability of poly(lactic acid) containing

Journal Article

Invading target cells: multifunctional polymer conjugates as therapeutic nucleic acid carriers

Ulrich L?CHELT, Ernst WAGNER

Journal Article

Polymeric micelle nanocarriers in cancer research

Dae Hwan Shin, Yu Tong Tam, Glen S. Kwon

Journal Article

Diphenylarsinic acid sorption mechanisms in soils using batch experiments and EXAFS spectroscopy

Zhu, Yongming Luo, Ruyi Yang, Shoubiao Zhou, Juqin Zhang, Mengyun Zhang, Peter Christie, Elizabeth L.

Journal Article

Enhanced Fenton-like process over Cu/L(+)-ascorbic acid co-doping mesoporous silica for toxicity reduction

Journal Article

Enhancing the Surface Properties of a Bioengineered Anterior Cruciate Ligament Matrix for Use with Point-of-Care Stem Cell Therapy

Xiaohua Yu, Paulos Y. Mengsteab, Ganesh Narayanan, Lakshmi S. Nair, Cato T. Laurencin

Journal Article

Research on bio-based degradable composites

Liu Xiaogang,Wang Li,Li Shizhong,Fan Chenyu

Journal Article

Zhang Jiachao: Development and Utilization of Tropical Probiotic Lactic acid Bacteria Resources (2022

27 Feb 2023

Conference Videos

Nucleic acid-based diagnostics for infectious diseases in public health affairs

Tam, Parker Y.L. Tsang, April K.Y. Wong, Michael H.K. Hui, Bin Yang, Hao Tang, Lok-Ting Lau

Journal Article

degradation of trichloroethene by calcium peroxide activated with Fe(III) in the presence of citric acid

Xiang ZHANG,Xiaogang GU,Shuguang LU,Zhouwei MIAO,Minhui XU,Xiaori FU,Muhammad DANISH,Mark L.

Journal Article

Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Journal Article

Comments on the special issue on forestry of

John L. INNES

Journal Article

Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Journal Article

Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Journal Article