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Insights into the changes of amino acids, microbial community, and enzymatic activities related with

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1635-y

Abstract:

● The highest seed germination index was achieved at 0.3 g/g total solids of food waste.

Keywords： Composting     Food waste     Amino acids     Microbial community     Enzymatic activity     Nutrient quality    

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Nitrogen-doped graphene approach to enhance the performance of a membraneless enzymatic biofuel cell

Alireza AHMADIAN YAZDI, Jie XU

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 233-238 doi: 10.1007/s11708-018-0529-3

Abstract: to the excellent sensitivity of N-graphene, the development of highly sensitive and fast-response enzymaticor not improving the anodic response to glucose detection leads to a higher overall performance of enzymatic

Keywords： enzymatic fuel cell     nitrogen-doped graphene     reduced graphene oxide     catalyst-free synthesis    

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Enzymatic nitrous oxide emissions from wastewatertreatment

Gang Guo, Yayi Wang, Tianwei Hao, Di Wu, Guang-Hao Chen

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1021-3

Abstract: Nitrous oxide (N O), a potent greenhousegas, is emitted during nitrogen removal in wastewater treatmentthe regulation of relatedenzymes’ activity is essential to minimize N O emissions during wastewater treatmentThe pathways ofN O emission during wastewater treatment arebriefly introduced.Finally, areas for further research onN O release during wastewater treatment arediscussed.

Keywords： Nitrous oxide     Mitigation     Enzyme catalysis     Nitrogen removal     Wastewater treatment    

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USING AN AQUEOUS ENZYMATIC METHOD

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 623-634 doi: 10.15302/J-FASE -2021400

Abstract: An approach to isolate edible microalgal oil from Schizochytrium sp. using aqueous enzymatic

Keywords： antioxidant activity / aqueous enzymatic extraction / edible microalgal oil / fatty acid composition    

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Dissolution and enzymatic hydrolysis of casein micelles studied by dynamic light scattering

LIU Rui, QI Wei, SU Rongxin, ZHANG Yubin, JIN Fengmin, HE Zhimin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 123-127 doi: 10.1007/s11705-007-0023-7

Abstract: The effects of temperature, ionic strength, and enzymatic hydrolysis on the average hydrodynamic radiusThe value of casein increased rapidly during the process of enzymatic hydrolysis, and the structuralmodel of casein micelles in the enzymatic hydrolysis process was also proposed, i.e. the casein micelle

Keywords： compact     strength     temperature     regularly flocky     heating    

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Production of pectic extracts from sugar beet pulp with antiproliferative activity on a breast cancer cell line

Jacqueline CONCHA, Caroline WEINSTEIN, María Elvira Zú?IGA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 482-489 doi: 10.1007/s11705-013-1342-5

Abstract: following steps: lipid extraction with hexane, removal of soluble complex carbohydrates and proteins, and enzymatictreatment with amyloglucosidase, protease, and pectinase.The enzymatic treatment was carried out with Rohapect DA6L under the following conditions: 50°C, pH 4.0

Keywords： pectic extracts     antiproliferative activity     breast cancer     enzymatic treatment    

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Study on enzymatic hydrolysis of steam exploded straw by using shaking ball

SUN Zhanwei, FU Xiaoguo, CHEN Hongzhang, WANG Yanhui, MA Runyu

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 22-27 doi: 10.1007/s11705-008-0002-7

Abstract: A novel method of enzymatic hydrolysis was developed in this paper to produce a high conversion yieldA comparison was described by using three methods of enzymatic hydrolysis and adsorption of steam exploded

Keywords： adequate filter-paper     comparison     conversion     continuous frequency     substrate    

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Valorisation of protein waste: An enzymatic approach to make commodity chemicals? ?

Madura B. A. Kumar, Yuan Gao, Wei Shen, Lizhong He

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 295-307 doi: 10.1007/s11705-015-1532-4

Abstract: Case studies of enzymatic conversion are presented for different amino acids including glutamic acid,

Keywords： amino acids     protein waste     reactor     conversion     commodity chemicals     enzymes    

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Study on the treatment of waste water of the cephalexin enzymatic process by the combination process

Ruan Huimin,Huang Jie,Li Jian,Shen Jiangnan,Wang Jiade,Gao Congjie

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 42-46

Abstract:

The salt in the wastewater of the cephalexin enzymatic process was removedAll results showed that it was feasible to treatment the waste water of the cephalexin enzymatic process

Keywords： Cephalexin     Waste water     Electrodialysis     Reverse osmosis    

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Enhanced enzymatic removal of anthracene by the mangrove soil-derived fungus,

Paul Olusegun Bankole, Kirk Taylor Semple, Byong-Hun Jeon, Sanjay Prabhu Govindwar

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1292-3

Abstract: Abstract • A. sydowii strain bpo1 exhibited 99.8% anthracene degradation efficiency. • Four unique metabolic products were obtained after anthracene degradation. • Ligninolytic enzymes induction played vital roles in the removal of anthracene. • Laccase played a crucial role in comparison with other enzymes induced. The present study investigated the efficiency of Aspergillus sydowii strain bpo1 (GenBank Accession Number: MK373021) in the removal of anthracene (100 mg/L). Optimal degradation efficiency (98.7%) was observed at neutral pH, temperature (30℃), biomass weight (2 g) and salinity (0.2% w/v) within 72 h. The enzyme analyses revealed 131%, 107%, and 89% induction in laccase, lignin peroxidase, and manganese peroxidase respectively during anthracene degradation. Furthermore, the degradation efficiency (99.8%) and enzyme induction were significantly enhanced with the addition of 100 mg/L of citric acid and glucose to the culture. At varying anthracene concentrations (100–500 mg/L), the degradation rate constants (k1) peaked with increasing concentration of anthracene while the half-life (t1/2) decreases with increase in anthracene concentration. Goodness of fit (R2 = 0.976 and 0.982) was observed when the experimental data were subjected to Langmuir and Temkin models respectively which affirmed the monolayer and heterogeneous nature exhibited by A. sydwoii cells during degradation. Four distinct metabolites; anthracene-1,8,9 (2H,8aH,9aH)-trione, 2,4a-dihydronaphthalene-1,5-dione, 1,3,3a,7a-tetrahydro-2-benzofuran-4,7-dione and 2-hydroxybenzoic acid was obtained through Gas Chromatography-Mass spectrometry (GC-MS). A. sydowii exhibited promising potentials in the removal of PAHs.

Keywords： Aspergillus sydowii     Anthracene     Biodegradation     Polycyclic aromatic hydrocarbons    

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Production and application of biosurfactants

Han Shuangyan,Ren Changqiong,Lin Ying

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 26-30

Abstract: structure and charactersistics of surfactarts and produced by microbial fermentation processes and enzymatic

Keywords： biosurfactants     microbial fermentation     enzymatic synthesis     bio-compatibility     biodegradability    

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Electrochemical sensor investigation of carbon-supported PdCoAg multimetal catalysts using sugar-containing beverages

Firat Salman, Hilal C. Kazici, Hilal Kivrak

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 629-638 doi: 10.1007/s11705-019-1840-1

Abstract: Novel PdCoAg/C nanostructures were successfully synthesized by the polyol method in order to develop electrocatalysts, related to the glucose sensor performance of the high glycemic index in beverages. The characterization of this novel PdCoAg/C electrocatalyst was performed by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and high-resolution transmission electron microscopy equipped with energy dispersive X-ray. The characterization results revealed that electronic state of the PdCoAg/C electrocatalyst was modified by the addition of the third metal. The electrochemical performances of the sensor were investigated by cyclic voltammetry and differential pulse voltammetry. The prepared enzyme-free sensor exhibited excellent catalytic activity against glucose with a wide detection range (0.005 to 0.35 mmol∙L ), low limit of detection (0.003 mmol∙L ), high sensitivity (4156.34 µA∙mmol ∙L∙cm ), and long-term stability (10 days) because of the synergistic effect between the ternary metals. The glucose contents of several energy drinks, fruit juices, and carbonated beverages were analyzed using the novel PdCoAg/NGCE/C sensor system. These results indicate the feasibility for applications in the foods industry.

Keywords： non-enzymatic     glucose detection     ternary metals     glycemic index     beverages    

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Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1577-9

Abstract:

● Reduce the quantifying MPs time by using Nile red staining.

Keywords： Microplastics     Municipal wastewater treatment plant     Phthalate esters     Thermal hydrolysis    

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Seasonal and treatment-process variations in invertebrates in drinking water treatment plants

Zhiling Wu, Xianchun Tang, Hongbin Chen

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1354-6

Abstract: Abstract • Seasonal and treatment-process variations in invertebrates in a DWTP were analyzed. • TheWe performed a monthly survey of invertebrate abundance and taxa in the effluent of each treatment stagein a drinking water treatment plant between May 2015 and April 2016 and analyzed seasonal and treatment-processThe dominant taxa in the effluent of each treatment stage were rotifers, nematodes, and crustaceans.The proportion of endogenous invertebrates gradually increased along the treatment process.

Keywords： Invertebrates     Drinking water     Seasonal variations     Treatment process    

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Special issue on “Membranes and Water Treatment”

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 561-563 doi: 10.1007/s11705-021-2136-9

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Title Author Date Type Operation

Insights into the changes of amino acids, microbial community, and enzymatic activities related with

Journal Article

Nitrogen-doped graphene approach to enhance the performance of a membraneless enzymatic biofuel cell

Alireza AHMADIAN YAZDI, Jie XU

Journal Article

Enzymatic nitrous oxide emissions from wastewatertreatment

Gang Guo, Yayi Wang, Tianwei Hao, Di Wu, Guang-Hao Chen

Journal Article

USING AN AQUEOUS ENZYMATIC METHOD

Journal Article

Dissolution and enzymatic hydrolysis of casein micelles studied by dynamic light scattering

LIU Rui, QI Wei, SU Rongxin, ZHANG Yubin, JIN Fengmin, HE Zhimin

Journal Article

Production of pectic extracts from sugar beet pulp with antiproliferative activity on a breast cancer cell line

Jacqueline CONCHA, Caroline WEINSTEIN, María Elvira Zú?IGA

Journal Article

Study on enzymatic hydrolysis of steam exploded straw by using shaking ball

SUN Zhanwei, FU Xiaoguo, CHEN Hongzhang, WANG Yanhui, MA Runyu

Journal Article

Valorisation of protein waste: An enzymatic approach to make commodity chemicals? ?

Madura B. A. Kumar, Yuan Gao, Wei Shen, Lizhong He

Journal Article

Study on the treatment of waste water of the cephalexin enzymatic process by the combination process

Ruan Huimin,Huang Jie,Li Jian,Shen Jiangnan,Wang Jiade,Gao Congjie

Journal Article

Enhanced enzymatic removal of anthracene by the mangrove soil-derived fungus,

Paul Olusegun Bankole, Kirk Taylor Semple, Byong-Hun Jeon, Sanjay Prabhu Govindwar

Journal Article

Production and application of biosurfactants

Han Shuangyan,Ren Changqiong,Lin Ying

Journal Article

Electrochemical sensor investigation of carbon-supported PdCoAg multimetal catalysts using sugar-containing beverages

Firat Salman, Hilal C. Kazici, Hilal Kivrak

Journal Article

Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

Journal Article

Seasonal and treatment-process variations in invertebrates in drinking water treatment plants

Zhiling Wu, Xianchun Tang, Hongbin Chen

Journal Article

Special issue on “Membranes and Water Treatment”

Journal Article