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Vanadium(IV) solvent extraction enhancement in high acidity using di-(2-ethylhexyl)phosphoric acid with

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 56-67 doi: 10.1007/s11705-022-2185-8

Abstract: In this study, coordination mechanism of vanadium in acid leaching solution at low pH was investigatedUnder the conditions of pH 0.8, di-(2-ethylhexyl)phosphoric acid concentration of 20%, phase ratio of1:2, and extraction time of 8 min, the vanadium extraction could reach 80.00%.Among Cl−–V, SO42−–V, and H2O–V, the V–Cl bond is longerAt the same time, the hydrogen ions of di-(2-ethylhexyl)phosphoric acid also enter the water phase more

Keywords： vanadium     black shale     solvent extraction     high acidity extraction    

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microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified D2EHPA

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 963-972 doi: 10.1007/s11705-021-2081-7

Abstract: sulfate solution simulating leachate of spent lithium-ion battery cathode materials using saponified di--(2-ethylhexyl)phosphoric acid system.

Keywords： extraction equilibrium     mass transfer coefficient     microextraction     multicomponent extraction     di-(2-ethylhexylethylhexyl)phosphoric acid    

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Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using di(2-ethylhexyl) phosphate

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 528-537 doi: 10.1007/s11705-020-1955-4

Abstract: Di(2-ethylhexyl)phosphate acid (D2EHPA) showed high extraction rate and selectivity of Fe over otherThe enthalpy for the extraction of Fe using D2EHPA was 19.50 kJ/mol.

Keywords： solvent extraction     iron     di(2-ethylhexyl)phosphate acid     separation    

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Phytotoxicity in seven higher plant species exposed to di-

Tingting MA,Ying TENG,Peter CHRISTIE,Yongming LUO

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 259-268 doi: 10.1007/s11783-014-0652-2

Abstract: investigated phytotoxicity in seven plant species exposed to a range of concentrations (0– 500 mg·kg soil) of di-- -butyl phthalate (DnBP) or bis (2-ethylhexyl) phthalate (DEHP), two representative phthalate esters

Keywords： phytotoxicity     di-n-butyl phthalate     bis(2-ethylhexyl) phthalate     malondialdehyde     plant pigments    

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Estrogenic activities of di-2-ethylhexyl phthalate

JIN Qiumei, LI Yan, SUN Zengrong

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 303-308 doi: 10.1007/s11684-008-0058-2

Abstract: Particularly, di-2-ethylhexyl phthalate (DEHP) has been shown to cause reproductive and developmentalDi-2-ethylhexyl phthalate enhanced the proliferation of human breast cancer MCF-7 cells and might demonstrate
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Preparation of P

Wenjiang LI, Fei XIE, Dongxu HUA, Chunli ZHANG, Chen DAI, Zhenyun YU, Meizhou QI, Shaojun YU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 314-317 doi: 10.1007/s11705-010-0573-y

Abstract: by a sol-gel/emulsion method which uses tetraethoxysilane (TEOS) as the precursor for the SiO and phosphoricacid (H PO ) as the precursor for P O .

Keywords： P2O5-SiO2     hollow microspheres     sol-gel/emulsion     phosphoric acid    

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Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023531

Abstract:

● Proline-2′-deoxymugineic (PDMA) significantly altered the bacterial

Keywords： Beneficial rhizobacteria recruitment     peanut     plant-soil micronutrition enhancement     proline-2′-deoxymugineicacid     stable microbial network    

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Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 465-470 doi: 10.1007/s11705-014-1452-8

Abstract: The utilization of poly (2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) as a matrix for thecontrolled release of 5-aminosalicylic acid was investigated.Grafted copolymers of 2-hydroxyethylmethacrylate (HEMA) monomers on agar were synthesized by microwavedrug release studies were performed at pH values of 2 and 7 in order to investigate the possibility of

Keywords： agar     controlled drug release     5-Amino salicylic acid     poly(2-hydroxyethylmethacrylate) grafted agar    

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Synthesis of micro/meso porous carbon for ultrahigh hydrogen adsorption using cross-linked polyaspartic acid

Jun Wei, Jianbo Zhao, Di Cai, Wenqiang Ren, Hui Cao, Tianwei Tan

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 857-867 doi: 10.1007/s11705-019-1880-6

Abstract: Based on the mechanism of weight loss of polyaspartic acid at high temperatures, this study providedmorphology of PCs by changing the cross-linking ratio of the precursor, where cross-linked polyaspartic acid

Keywords： porous carbon     multilevel pores     polyaspartic acid     cross-linking     hydrogen adsorption    

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Investigation of the effects of humic acid and H 2 O 2 on the photocatalytic degradation of atrazine

Chao QIN, Shaogui YANG, Cheng SUN, Jia ZHOU, Manjun ZHAN, Rongjun WANG, Huanxing CAI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 321-328 doi: 10.1007/s11783-010-0238-6

Abstract: The effects of mannitol, oxygen, humic acid, and hydrogen dioxide on the photodegradation rate were exploredPhotodegradation of atrazine was hindered in the presence of humic acid, and the retardation effect increasedas the concentration of humic acid increased.

Keywords： atrazine     retardation effect     photocatalysis     TiO2    

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Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 80-84 doi: 10.1007/s11705-008-0017-0

Abstract: 2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester(III), an importantintermediate of the fourth generation cephalosporins, was efficiently synthesized by reacting 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid (I) with 2,2′-dibenzothiazole disulfide (II) in

Keywords： 5-Amino-1     2     4-thiadiazol-3-yl     1     2-dichloroethane     important intermediate     2-benzothiazolyl thioester     temperature    

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High Sn-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 acidDHA incorporated at the sn-2 position of lipids is well absorbed by intestinal mucosa and utilizedstyle="font-family:"Times New Roman","serif"">ω-6 fatty acidTo achieve high sn-2 DHA in diets, it is suggested that sn-2 DHA lipids be enzymatically

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

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Observation on therapeutic efficacy of ursodeoxycholic acid in Chinese patients with primary biliarycirrhosis: a 2-year follow-up study

Jiangyi Zhu, Yongquan Shi, Xinmin Zhou, Zengshan Li, Xiaofeng Huang, Zheyi Han, Jianhong Wang, Ruian Wang, Jie Ding, Kaichun Wu, Ying Han, Daiming Fan

Frontiers of Medicine 2013, Volume 7, Issue 2,   Pages 255-263 doi: 10.1007/s11684-012-0227-1

Abstract:

The efficacy of ursodeoxycholic acid (UDCA) on long-term outcome of primary biliary cirrhosis (PBCday-1) and followed up for 2 years to evaluate the changes of symptoms, laboratory valuesto baseline values, with the most profound effects achieved in patients at stage 2.Histological feature was stable in patients at stages 1–2 but still progressed in patients at stagesThe biochemical response of patients at stage 2 was much better than that of patients at stages 3&ndash

Keywords： primary biliary cirrhosis     ursodeoxycholic acid     Chinese     biochemical response     therapeutic efficacy    

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Synthesis and bulk polymerization kinetics of monomer dehydroabietic acid-(2-acryloyloxy-ethoxy)-ethyl

Haibo ZHANG,Yanping YANG,He LIU,Jie SONG,Shibin SHANG,Zhanqian SONG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 97-105 doi: 10.15302/J-FASE-2016115

Abstract: A bulk polymerization monomer dehydro- abietic acid-(2-acryloyloxy-ethoxy)-ethyl ester (DHA-DG-AC) wassynthesized from dehydroabietic acid (DHA).

Keywords： dehydroabietic acid     bulk polymerization     kinetics     autocatalytic kinetic model    

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Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 781-791 doi: 10.1007/s11709-022-0862-9

Abstract: Binders were activated using mixtures of NaOH and Na2SiO3 solutions.Mortar samples were mixed and cured at (22 ± 2) °C till the day of the test.After 7, 28, and 90 d of immersion in a 10% sulfuric acid solution, the resistance of a geopolymer matrixNo reduction in weight of sample occurred after immersion in the strong acid H2SO4acid

Keywords： fly ash     sorptivity     durability of concrete     sodium hydroxide     sodium silicates     reduction in CO2 emissions     sulfuric acid    

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Title Author Date Type Operation

Vanadium(IV) solvent extraction enhancement in high acidity using di-(2-ethylhexyl)phosphoric acid with

Journal Article

microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified D2EHPA

Journal Article

Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using di(2-ethylhexyl) phosphate

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Journal Article

Phytotoxicity in seven higher plant species exposed to di-

Tingting MA,Ying TENG,Peter CHRISTIE,Yongming LUO

Journal Article

Estrogenic activities of di-2-ethylhexyl phthalate

JIN Qiumei, LI Yan, SUN Zengrong

Journal Article

Preparation of P

Wenjiang LI, Fei XIE, Dongxu HUA, Chunli ZHANG, Chen DAI, Zhenyun YU, Meizhou QI, Shaojun YU

Journal Article

Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Journal Article

Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Journal Article

Synthesis of micro/meso porous carbon for ultrahigh hydrogen adsorption using cross-linked polyaspartic acid

Jun Wei, Jianbo Zhao, Di Cai, Wenqiang Ren, Hui Cao, Tianwei Tan

Journal Article

Investigation of the effects of humic acid and H 2 O 2 on the photocatalytic degradation of atrazine

Chao QIN, Shaogui YANG, Cheng SUN, Jia ZHOU, Manjun ZHAN, Rongjun WANG, Huanxing CAI,

Journal Article

Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Journal Article

High Sn-2 Docosahexaenoic Acid Lipids for Brain Benefits, and Their Enzymatic Syntheses: A Review

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

Journal Article

Observation on therapeutic efficacy of ursodeoxycholic acid in Chinese patients with primary biliarycirrhosis: a 2-year follow-up study

Jiangyi Zhu, Yongquan Shi, Xinmin Zhou, Zengshan Li, Xiaofeng Huang, Zheyi Han, Jianhong Wang, Ruian Wang, Jie Ding, Kaichun Wu, Ying Han, Daiming Fan

Journal Article

Synthesis and bulk polymerization kinetics of monomer dehydroabietic acid-(2-acryloyloxy-ethoxy)-ethyl

Haibo ZHANG,Yanping YANG,He LIU,Jie SONG,Shibin SHANG,Zhanqian SONG

Journal Article

Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Journal Article