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Synthesis of zeolite Na-P1 from coal fly ash produced by gasification and its application as adsorbent

Yixin Zhang, Lu Zhou, Liqing Chen, Yang Guo, Fanhui Guo, Jianjun Wu, Baiqian Dai

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 518-527 doi: 10.1007/s11705-020-1926-9

Abstract: The coal fly ash produced by gasification is estimated to be over 80 million ton per year in China by 2021. It has mainly been disposed as solid waste by landfill. There is lack of study focused on its utilization. In this paper, the coal fly ash produced by gasification was at first analyzed and then applied to synthesize zeolite as an adsorbent. The effects of synthesis conditions on the cation exchange capacity (CEC) of zeolite were investigated. The results from X-ray diffraction and scanning electron microscope indicated that the crystallinity of the synthesized zeolite is the most important factor to affect the CEC. When the synthesized zeolite with the highest CEC (275.5 meq/100 g) was used for the adsorption of Cr(VI) from aqueous solution, the maximum adsorption capacity for Cr(VI) was found to be 17.924 mg/g. The effects of pH, contact time and initial concentration on the adsorption of Cr(VI) were also investigated. The adsorption kinetics and isotherms can be well described by the pseudo-second-order model and Langmuir isotherm model, respectively.

Keywords： coal fly ash     gasification     zeolite     Na-P1     chromium(VI)    

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Probes and nano-delivery systems targeting NAD(P)H:quinone oxidoreductase 1: a mini-review

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 123-138 doi: 10.1007/s11705-022-2194-7

Abstract: The two-electron cytoplasmic reductase NAD(P)H:quinone oxidoreductase 1 is expressed in many tissues.NAD(P)H:quinone oxidoreductase 1 is well-known for being highly expressed in most cancers.quinone oxidoreductase 1 to diagnose tumours.H:quinone oxidoreductase 1-activating drug β-lapachone.H:quinone oxidoreductase 1.

Keywords： NAD(P)H:quinone oxidoreductase 1     cancer therapy     target     probe     nanosystem    

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noncoding RNA LOC646029 functions as a ceRNA to suppress ovarian cancer progression through the miR-627-3p/SPRED1 axis

Frontiers of Medicine   Pages 924-938 doi: 10.1007/s11684-023-1004-z

Abstract: Mechanistically, LOC646029 served as a miR-627-3p sponge to promote the expression of Sprouty-relatedEVH1 domain-containing protein 1, which is necessary for suppressing tumor metastasis and inhibiting

Keywords： ovarian cancer     lncRNA LOC646029     metastasis     microRNA 627-3p     SPRED1    

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PAK1 is a novel cardiac protective signaling molecule

Yunbo Ke,Xin Wang,Xu Yu Jin,R. John Solaro,Ming Lei

Frontiers of Medicine 2014, Volume 8, Issue 4,   Pages 399-403 doi: 10.1007/s11684-014-0380-9

Abstract: <p>We review here the novel cardiac protective effects of the multifunctional enzyme, p21-activated kinase1 (PAK1), a member of a serine/threonine protein kinase family.Despite the large body of evidence from studies in noncardiac tissue indicating that PAK1 activity iskey in the regulation of a number of cellular functions, the role of PAK1 in the heart has only beenp>

Keywords： p21-activated kinase 1 (PAK1)     heart    

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Clinical characteristics and prognostic values of 1p32.3 deletion detected through fluorescence

Huanping Wang, Haitao Meng, Jinghan Wang, Yinjun Lou, Yile Zhou, Peipei Lin, Fenglin Li, Lin Liu, Huan Xu, Min Yang, Jie Jin

Frontiers of Medicine 2020, Volume 14, Issue 3,   Pages 327-334 doi: 10.1007/s11684-019-0712-x

Abstract: This study aimed to investigate the prevalence, clinical characteristics, and prognostic impact of 1p32.3), gain(1q21), del(17p13), del(13q14), t(4;14), and t(11;14).Results showed that 8.3% of patients with MM were detected with del(1p32.3) and had significantly moreMultivariate analysis revealed that del(1p32.3) remained a powerful independent factor with worse PFSPatients with del(1p32.3) under bortezomib-based treatments tended to have short PFS and OS.

Keywords： 1p32.3 deletion     1q21 gain     prognosis     multiple myeloma     FISH     bortezomib     thalidomide    

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Deciphering the Origins of P1-Induced Power Losses in Cu(Inx,Ga1–x Article

César Omar Ramírez Quiroz, Laura-Isabelle Dion-Bertrand, Christoph J. Brabec, Joachim Müller, Kay Orgassa

Engineering 2020, Volume 6, Issue 12,   Pages 1395-1402 doi: 10.1016/j.eng.2019.12.019

Abstract: Specifically, by analyzing the standard P1 patterning line ablated before the CIGS deposition, we revealWe further rationalize the origins of this effect by comparing the topography of the P1 edge throughWe also investigate the laser-induced damage on P1 patterning lines performed after the deposition ofOur findings pave the way for a better understanding of P1-induced power losses and introduce new insightsp>

Keywords： Cu(Inx     Ga1-x)Se2     Cell-to-module efficiency gap     P1-induced power losses     Hyperspectral photoluminescence    

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Adsorption of 1,3-propanediol from synthetic mixture using polymeric resin as adsorbents

TANTAYAKOM, P. PRASITCHOKE, C. MUANGNAPOH

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 52-57 doi: 10.1007/s11705-009-0087-7

Abstract: The aim of this work was to separate 1,3-PDO from a synthetic mixture using polymeric resins, AmberliteThe equilibrium adsorption of 1,3-PDO onto two polymeric resins were investigated in binary and tertiary-PDO at 160 g/L onto XAD-7 and XAD-16 was 835.96 and 584.61 mg 1,3-PDO/g dry resin, respectively.The value of n of 1,3-PDO adsorbed on XAD-7 are much higher than those on XAD-16.than XAD-16, the adsorption capacity of 1,3-PDO at 160 g/L onto XAD-16 was higher than XAD-7.

Keywords： adsorption     1     3-propanediol     glycerol     polymeric resin     adsorption isotherm    

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Technology trends in large-scale high-efficiency network computing Review

Jinshu SU, Baokang ZHAO, Yi DAI, Jijun CAO, Ziling WEI, Na ZHAO, Congxi SONG, Yujing LIU, Yusheng XIA

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 12,   Pages 1733-1746 doi: 10.1631/FITEE.2200217

Abstract: is the basis for large-scale high-efficiency network computing, such as , , big data processing, and artificial intelligence computing. The network technologies of network computing systems in different fields not only learn from each other but also have targeted design and optimization. Considering it comprehensively, three , i.e., integration, differentiation, and optimization, are summarized in this paper for network technologies in different fields. Integration reflects that there are no clear boundaries for network technologies in different fields, differentiation reflects that there are some unique solutions in different application fields or innovative solutions under new application requirements, and optimization reflects that there are some optimizations for specific scenarios. This paper can help academic researchers consider what should be done in the future and industry personnel consider how to build efficient practical network systems.

Keywords： Supercomputing     Cloud computing     Network technology     Development trends    

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Correspondence: Monopulse transmitarray antenna fed by aperture-coupled microstrip structure Correspondence

Na KOU, Shixing YU, Zhao DING, Zhengping ZHANG,nkou@gzu.edu.cn,sxyu1@gzu.edu.cn,zding@gzu.edu.cn,zpzhang

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 3,   Pages 502-510 doi: 10.1631/FITEE.2000547

Abstract: Monopulse technique, also known as the simultaneous beam comparison method, is used mainly to measure the direction of arrival (DOA) (Sherman and Barton, 2011). Before the advent of monopulse technology, the method most widely used in radar direction finding was the lobe-switching technique (sequential lobing) (Lo, 1999). Compared with the sequential lobing method, the monopulse antenna can obtain information such as the pitch angle, azimuth angle, and distance of the target in a single pulse period (Vazquez-Roy et al., 2019). Due to the need for higher accuracy of angle measurement, the monopulse technique has been widely applied in SOTM missile guidance (Roy et al., 2019). When a monopulse system is working, multiple independent channels are adopted to receive signals reflected by targets at the same time. Then signals enter the comparator and finally the distance and angle information of targets can be obtained. There are three main types of monopulse antennas: lenses, reflectors, and arrays. A dielectric lens is generally a convex lens (Raman et al., 1998), which is difficult to manufacture due to its curved shape, high volume, and large mass. For common reflectors such as dish antennas, the feed and supporting structure are in front of the aperture, so a shielding effect will result in energy loss, sidelobe increase, and angle measurement error (Kou and Cheng, 2019). A more effective reflector is the Cassegrain antenna, which is more compact with dual reflectors (Zheng et al., 2016, 2017). However, the Cassegrain antenna has the problem of shielding effect caused by a secondary reflector and support rods. With growing demand for low cost and lightweight monopulse antennas in modern radar and telecommunications systems, array antennas are increasingly applied in monopulse antennas due to their characteristics of high gain and easy control of the beam direction. A typical example is the waveguide slot array, which has the advantages of low loss, low sidelobe level, and no aperture shielding problem (Vosoogh et al., 2018). The microstrip has attracted much attention in monopulse antennas because of its advantages of low profile, simple structure, and low cost (Yu et al., 2009; Kumar and Kumar, 2018). However, monopulse microstrip array antennas usually have a complex feed network, which often makes them large and expensive. In addition, substrate integrated waveguides (SIWs) (Cao et al., 2017; Zhu et al., 2018; Liu et al., 2019; Yang et al., 2019) and leaky wave antennas (LWAs) (Poveda-García et al., 2019) have been applied in monopulse antennas, with good results. Recently, reflectarrays have been proposed for use in monopulse antennas, and have shown good performance (Zhao et al., 2017, 2018). As an alternative to reflectarrays, transmitarrays not only have the advantages of reflectarrays, but also have no shielding effect from the feeds. Di Palma et al. (2016) proposed a 400-element reconfigurable transmitarray antenna to synthesize monopulse radiation patterns. However, the sum and difference patterns generated by the reconfigurable transmitarray antenna, which is controlled electronically by switches instead of by a SUM-DIFF comparator, are in time division.

Keywords： 孔径耦合；单脉冲天线；微带；透射阵列    

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Inhibition of the nuclear export of p65 and IQCG in leukemogenesis by NUP98-IQCG

Mengmeng Pan,Qiyao Zhang,Ping Liu,Jinyan Huang,Yueying Wang,Saijuan Chen

Frontiers of Medicine 2016, Volume 10, Issue 4,   Pages 410-419 doi: 10.1007/s11684-016-0489-0

Abstract: <p>NUP98 fuses with approximately 34 different partner genes via translocation in hematologicalHerein, we demonstrated the association of NUP98-IQCG with CRM1, and found that NUP98-IQCG expressioninhibits the CRM1-mediated nuclear export of p65 and enhances the transcriptional activity of nuclearTherefore, the inhibition of nuclear exports of p65 and IQCG might contribute to the leukemogenesis ofp>

Keywords： NUP98-IQCG     nuclear export     NF-κB     CRM1    

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Decitabine induces -mediated immune responses in p53-mutated triple-negative breast cancer: a clinical

Frontiers of Medicine doi: 10.1007/s11684-023-1016-8

Abstract: p53 is mutated in half of cancer cases. However, no p53-targeting drugs have been approved.Here, we reposition decitabine for triple-negative breast cancer (TNBC), a subtype with frequent p53In a retrospective study on tissue microarrays with 132 TNBC cases, DNMT1 overexpression was associatedwith p53 mutations (P = 0.037) and poor overall survival (OS) (P = 0.010).DNMT1 expression and decitabine sensitivity than the cell line with wild-type p53.

Keywords： p53 mutation     triple-negative breast cancer     decitabine     DNMT1     IRF7     innate immune response    

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Modelling the dynamic response of a solid oxide steam electrolyser to transient inputs during renewable hydrogen production

Qiong CAI, Nigel P. BRANDON, Claire S. ADJIMAN,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 211-222 doi: 10.1007/s11708-010-0037-6

Abstract: In this paper, a one-dimensional (1D) dynamic model of a planar SOEC stack has been employed to study

Keywords： hydrogen production     renewable energy     solid oxide electrolyser cell     1D dynamic model     dynamic behaviour    

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Influence of the intensity and loading time of direct current electric field on the directional migration of rat bone marrow mesenchymal stem cells

Xiaoyu Wang,Yuxuan Gao,Haigang Shi,Na Liu,Wei Zhang,Hongbo Li

Frontiers of Medicine 2016, Volume 10, Issue 3,   Pages 286-296 doi: 10.1007/s11684-016-0456-9

Abstract: <p>Exogenic electric fields can effectively accelerate bone healing and remodeling through the enhancedThis study aimed to determine the following: (1) the direction of rat BMSC (rBMSC) migration upon exposurefield (DCEF), (2) the optimal DCEF intensity and duration, and (3) the possible regulatory role of SDF-1/The SDF-1/CXCR4 signaling pathway may play an important role in regulating the DCEF-induced migrationp>

Keywords： DCEF     migration     osteogenesis differentiation     rBMSCs     SDF-1/CXCR-4    

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A simple umbelliferone based fluorescent probe for the detection of nitroreductase

P. Elmes, Tony D. James

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 311-314 doi: 10.1007/s11705-017-1697-0

Abstract: A simple nitrobenzyl-umbelliferone (NCOU1) was synthesised containing a nitroreductase (NTR) triggerIn the presence of the NTR enzyme, NCOU1 gave rise to a 5-fold increase in fluorescence intensity atThese results indicate that NCOU1 can be used as a simple assay for the detection of NTR.

Keywords： fragmentation     NCOU1     NTR     nitroreductase     nitrobenzyl-umbelliferone    

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Title Author Date Type Operation

Synthesis of zeolite Na-P1 from coal fly ash produced by gasification and its application as adsorbent

Yixin Zhang, Lu Zhou, Liqing Chen, Yang Guo, Fanhui Guo, Jianjun Wu, Baiqian Dai

Journal Article

Probes and nano-delivery systems targeting NAD(P)H:quinone oxidoreductase 1: a mini-review

Journal Article

noncoding RNA LOC646029 functions as a ceRNA to suppress ovarian cancer progression through the miR-627-3p/SPRED1 axis

Journal Article

PAK1 is a novel cardiac protective signaling molecule

Yunbo Ke,Xin Wang,Xu Yu Jin,R. John Solaro,Ming Lei

Journal Article

Clinical characteristics and prognostic values of 1p32.3 deletion detected through fluorescence

Huanping Wang, Haitao Meng, Jinghan Wang, Yinjun Lou, Yile Zhou, Peipei Lin, Fenglin Li, Lin Liu, Huan Xu, Min Yang, Jie Jin

Journal Article

Deciphering the Origins of P1-Induced Power Losses in Cu(Inx,Ga1–x

César Omar Ramírez Quiroz, Laura-Isabelle Dion-Bertrand, Christoph J. Brabec, Joachim Müller, Kay Orgassa

Journal Article

Adsorption of 1,3-propanediol from synthetic mixture using polymeric resin as adsorbents

TANTAYAKOM, P. PRASITCHOKE, C. MUANGNAPOH

Journal Article

Technology trends in large-scale high-efficiency network computing

Jinshu SU, Baokang ZHAO, Yi DAI, Jijun CAO, Ziling WEI, Na ZHAO, Congxi SONG, Yujing LIU, Yusheng XIA

Journal Article

Correspondence: Monopulse transmitarray antenna fed by aperture-coupled microstrip structure

Na KOU, Shixing YU, Zhao DING, Zhengping ZHANG,nkou@gzu.edu.cn,sxyu1@gzu.edu.cn,zding@gzu.edu.cn,zpzhang

Journal Article

Inhibition of the nuclear export of p65 and IQCG in leukemogenesis by NUP98-IQCG

Mengmeng Pan,Qiyao Zhang,Ping Liu,Jinyan Huang,Yueying Wang,Saijuan Chen

Journal Article

Decitabine induces -mediated immune responses in p53-mutated triple-negative breast cancer: a clinical

Journal Article

Modelling the dynamic response of a solid oxide steam electrolyser to transient inputs during renewable hydrogen production

Qiong CAI, Nigel P. BRANDON, Claire S. ADJIMAN,

Journal Article

Influence of the intensity and loading time of direct current electric field on the directional migration of rat bone marrow mesenchymal stem cells

Xiaoyu Wang,Yuxuan Gao,Haigang Shi,Na Liu,Wei Zhang,Hongbo Li

Journal Article

A simple umbelliferone based fluorescent probe for the detection of nitroreductase

P. Elmes, Tony D. James

Journal Article

construction integration technology in Brazil’s superlarge deep-water offshore oil and gas unit project (FPSO P67/P70)

Journal Article