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Recent advances of small-molecule fluorescent probes for detecting biological hydrogen sulfide

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1,   Pages 34-63 doi: 10.1007/s11705-021-2050-1

Abstract: It was recently revealed that H2S is also an endogenous signaling molecule that has importantMoreover, we also introduced some probes for hydrogen polysulfides.

Keywords： hydrogen sulfide     fluorescent probe     reducibility     nucleophilicity     copper sulfide precipitate     hydrogen    

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Calculation of H2+ Structural Parameters based on Hydrogen Atomic Protonized Model

Chen Jing

Strategic Study of CAE 2004, Volume 6, Issue 11,   Pages 29-32

Abstract:

The hydrogen atomic protonized model was introduced in present paper for calculation of H2hydrogenThree formulas deduced from above model for bond-length, bond-energy and force constant of hydrogen moleculeion were Re=2a0, Keywords： hydrogen molecule ion     bond-length     bond-energy     force constant    

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Calculation of Bond-length, Bond-energy and Force Constant of Hydrogen Molecule by Classical Mechanics

Chen Jing

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 39-43

Abstract:

The 1s electron cloud in hydrogen atom has the largest probability density distribution around a sphericalmolecule the product of energy and time is far larger than Planck Constant.Based on the overlap of electron cloud, the ground state hydrogen molecule structural parameters arecalculated with the classical mechanics, and the hydrogen molecule bond-length Re, bonding-energyIn this calculation, hydrogen molecule chemical bonding model is concise and has clear physical meaning

Keywords： hydrogen molecule     bond-length     bond-energy     force constant    

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Highly selective metal recovery from spent lithium-ion batteries through stoichiometric hydrogen ion

Weiguang Lv, Xiaohong Zheng, Li Li, Hongbin Cao, Yi Zhang, Renjie Chen, Hancheng Ou, Fei Kang, Zhi Sun

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1243-1256 doi: 10.1007/s11705-020-2029-3

Abstract: Spent lithium-ion battery recycling has attracted significant attention because of its importance inleached from high-Ni layered oxide cathode powders, while consuming a nearly stoichiometric amount of hydrogen

Keywords： recycling     spent LIBs     selective recovery     hydrothermal treatment    

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Effect of denitrifying bacteria on the electrochemical reaction of activated carbon fiber in electrochemical biofilm system

YING Diwen, JIA Jinping, ZHANG Lehua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 305-310 doi: 10.1007/s11783-007-0051-z

Abstract: Electron was transferred between electrochemical process and biological process not only by hydrogenmolecule but also by new produced active hydrogen atom.

Keywords： ACF     apparent exchange     hydrogen molecule     activated     biological process    

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Discovery of small molecule degraders for modulating cell cycle

Frontiers of Medicine   Pages 823-854 doi: 10.1007/s11684-023-1027-5

Abstract: The cell cycle is a complex process that involves DNA replication, protein expression, and cell division. Dysregulation of the cell cycle is associated with various diseases. Cyclin-dependent kinases (CDKs) and their corresponding cyclins are major proteins that regulate the cell cycle. In contrast to inhibition, a new approach called proteolysis-targeting chimeras (PROTACs) and molecular glues can eliminate both enzymatic and scaffold functions of CDKs and cyclins, achieving targeted degradation. The field of PROTACs and molecular glues has developed rapidly in recent years. In this article, we aim to summarize the latest developments of CDKs and cyclin protein degraders. The selectivity, application, validation and the current state of each CDK degrader will be overviewed. Additionally, possible methods are discussed for the development of degraders for CDK members that still lack them. Overall, this article provides a comprehensive summary of the latest advancements in CDK and cyclin protein degraders, which will be helpful for researchers working on this topic.

Keywords： PROTAC     molecular glue     degrader     cell cycle     CDK     cyclin    

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Near-infrared benzodiazoles as small molecule environmentally-sensitive fluorophores

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1,   Pages 128-135 doi: 10.1007/s11705-021-2080-8

Abstract: The development of fluorophores emitting in the near-infrared spectral window has gained increased attention given their suitable features for biological imaging. In this work, we have optimised a general and straightforward synthetic approach to prepare a small library of near-infrared-emitting C-bridged nitrobenzodiazoles using commercial precursors. C-bridged benzodiazoles have low molecular weight and neutral character as important features that are not common in most near-infrared dyes. We have investigated their fluorescence response in the presence of a wide array of 60 different biomolecules and identified compound 3i as a potential chemosensor to discriminate between Fe2+ and Fe3+ ions in aqueous media.

Keywords： fluorescence     probes     iron     screening     library    

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N-Positive ion activated rapid addition and mitochondrial targeting ratiometric fluorescent probes

Yan Shi, Fangjun Huo, Yongkang Yue, Caixia Yin

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1,   Pages 64-71 doi: 10.1007/s11705-021-2048-8

Abstract: Heterocyclic compound quinoline and its derivatives exist in natural compounds and have a broad spectrum of biological activity. They play an important role in the design of new structural entities for medical applications. Similarly, indoles and their derivatives are found widely in nature. Amino acids, alkaloids and auxin are all derivatives of indoles, as are dyes, and their condensation with aldehydes makes it easy to construct reaction sites for nucleophilic addition agents. In this work, we combine these two groups organically to construct a rapid response site (within 30 s) for H S, and at the same time, a ratiometric fluorescence response is presented throughout the process of H S detection. As such, the lower detection limit can reach 55.7 nmol/L for H S. In addition, cell imaging shows that this probe can be used for the mitochondrial targeted detection of endogenous and exogenous H S. Finally, this probe application was verified by imaging H S in nude mice.

Keywords： heterocyclic compound     hydrogen sulfide     ratiometric     mitochondrial targeted    

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A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1208-1220 doi: 10.1007/s11705-023-2304-1

Abstract: we present an “advantage-complementary strategy” using sodium lignosulfonate as a pseudocapacitive moleculeDue to the resulting rational interfacial structure and stable ion-electron transport, the asymmetric

Keywords： molecular synergy     pseudocapacitive lignosulfonate     flexible electronic devices     asymmetric supercapacitor     wide voltage windows    

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Genetic biosensors for small-molecule products: Design and applications in high-throughput screening

Qingzhuo Wang,Shuang-Yan Tang,Sheng Yang

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 15-26 doi: 10.1007/s11705-017-1629-z

Abstract: Overproduction of small-molecule chemicals using engineered microbial cells has greatly reduced the productionSuch biosensors allow a high-throughput screening of the small-molecule products, and can be roughlyThis review summarizes the recent developments in the design and applications of biosensors for small-molecule

Keywords： biosensor     small molecule product     transcription factor     riboswitch     high-throughput screening    

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Calculation of collision frequency function for aerosol particles in free molecule regime in presence

Xiaowei LUO, Yannick BENICHOU, Suyuan YU

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 506-510 doi: 10.1007/s11708-013-0275-5

Abstract: The collision frequency function for aerosol particles has already been calculated for the free moleculecollision frequency in the case of particles much smaller than the mean free path of the gas (free molecule

Keywords： aerosol particles     collision frequency function     coagulation    

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Development of small-molecule viral inhibitors targeting various stages of the life cycle of emerging

Xiaohuan Wang, Peng Zou, Fan Wu, Lu Lu, Shibo Jiang

Frontiers of Medicine 2017, Volume 11, Issue 4,   Pages 449-461 doi: 10.1007/s11684-017-0589-5

Abstract: In this review, we summarize and discuss the latest progress in the development of small-molecule viralWe also discuss some general strategies for developing small-molecule viral inhibitors.

Keywords： emerging and re-emerging viruses     small-molecule inhibitor     coronavirus     Ebola virus     Zika virus     life cycle    

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Small-molecule anti-COVID-19 drugs and a focus on China’s homegrown mindeudesivir (VV116)

Frontiers of Medicine doi: 10.1007/s11684-023-1037-3

Abstract: So far, a few small-molecule antiviral drugs, including nirmatrelvir–ritonavir (Paxlovid), remdesivirregarding the pharmacological mechanism and therapeutic effects focusing on mindeudesivir and other small-molecule

Keywords： COVID-19     antiviral drugs     mindeudesivir    

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Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1625-0

Abstract:

● IEM ion/ion selectivities of charge, valence, & specific ion are

Keywords： Ion-exchange membranes     Selectivity     Separations    

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Design of nanocarriers for efficient cellular uptake and endosomal release of small molecule and nucleic

Vaibhav Mundra, Ram I. Mahato

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 387-404 doi: 10.1007/s11705-014-1457-3

Abstract: There are many challenges in developing efficient and target specific delivery systems of small molecule

Keywords： nanocarrier     cellular uptake     endosomal release     nucleic acid drug    

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Title Author Date Type Operation

Recent advances of small-molecule fluorescent probes for detecting biological hydrogen sulfide

Journal Article

Calculation of H2+ Structural Parameters based on Hydrogen Atomic Protonized Model

Chen Jing

Journal Article

Calculation of Bond-length, Bond-energy and Force Constant of Hydrogen Molecule by Classical Mechanics

Chen Jing

Journal Article

Highly selective metal recovery from spent lithium-ion batteries through stoichiometric hydrogen ion

Weiguang Lv, Xiaohong Zheng, Li Li, Hongbin Cao, Yi Zhang, Renjie Chen, Hancheng Ou, Fei Kang, Zhi Sun

Journal Article

Effect of denitrifying bacteria on the electrochemical reaction of activated carbon fiber in electrochemical biofilm system

YING Diwen, JIA Jinping, ZHANG Lehua

Journal Article

Discovery of small molecule degraders for modulating cell cycle

Journal Article

Near-infrared benzodiazoles as small molecule environmentally-sensitive fluorophores

Journal Article

N-Positive ion activated rapid addition and mitochondrial targeting ratiometric fluorescent probes

Yan Shi, Fangjun Huo, Yongkang Yue, Caixia Yin

Journal Article

A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Journal Article

Genetic biosensors for small-molecule products: Design and applications in high-throughput screening

Qingzhuo Wang,Shuang-Yan Tang,Sheng Yang

Journal Article

Calculation of collision frequency function for aerosol particles in free molecule regime in presence

Xiaowei LUO, Yannick BENICHOU, Suyuan YU

Journal Article

Development of small-molecule viral inhibitors targeting various stages of the life cycle of emerging

Xiaohuan Wang, Peng Zou, Fan Wu, Lu Lu, Shibo Jiang

Journal Article

Small-molecule anti-COVID-19 drugs and a focus on China’s homegrown mindeudesivir (VV116)

Journal Article

Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Journal Article

Design of nanocarriers for efficient cellular uptake and endosomal release of small molecule and nucleic

Vaibhav Mundra, Ram I. Mahato

Journal Article