Review
Business
Jenny M. Hoobler, Courtney R. Masterson, Kristie Rogers
Summary: Workers and family members may experience identity conflicts and self-ambivalence when celebrating positive events, leading to negative self-evaluations and questioning of one's identity.
JOURNAL OF ORGANIZATIONAL BEHAVIOR
(2023)
Article
Energy & Fuels
Mantian Li, Ping Lu, Changshen Ye, Jie Chen, Ting Qiu
Summary: To address the limitations of mass transfer and poor affinity between catalysts and feedstock oils in the transesterification reaction for biodiesel production, researchers synthesized a series of amphiphilic heteropolyacid-based sulfonic acid-functionalised ionic liquids (AHPA-SFILs). The AHPA-SFILs showed excellent catalytic performance by dissolving in the reaction medium and could be easily recovered. Under optimized conditions, [C16N-PS]-HPMo-1 AHPA-SFILs achieved a high yield of biodiesel, indicating promising application potential.
Article
Engineering, Chemical
Ziad T. Alismaeel, Thaer M. Al-Jadir, Talib M. Albayati, Ammar S. Abbas, Aidan M. Doyle
Summary: In this study, a high purity FAU-type zeolite catalyst was prepared and modified as a heterogeneous efficient catalyst for biodiesel production. The catalyst was characterized using various techniques and the reaction conditions were optimized to improve the conversion rate.
ADVANCED POWDER TECHNOLOGY
(2022)
Article
Energy & Fuels
J. L. Aleman-Ramirez, Joel Moreira, S. Torres-Arellano, Adriana Longoria, Patrick U. Okoye, P. J. Sebastian
Summary: This study demonstrates the development of a sustainable biodiesel production catalyst from moringa leaves, with inorganic carbonate minerals promoting transesterification. The synthesized biodiesel meets commercial specifications, and the catalyst shows potential for reuse in multiple cycles.
Article
Engineering, Marine
Dongxu Hou, Tieming Hu, Guanhua Zhang, Feng Jiang, Liujie Wang
Summary: In this study, a flexural experiment was conducted on an RS-OCT beam subjected to a long-term vehicle cyclical load. The beam's flexural behavior at various time periods was simulated using finite element analysis, and the flexural capacities were calculated. The safety reservation of the RS-OCT beam was found to be related to changes in material properties and the upgrading of the loading level, with the latter playing a dominant role in the service state.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2023)
Article
Energy & Fuels
Yong-Ming Dai, Yan-Yun Li, Jia-Hao Lin, I. -Hsiang Kao, Yu-Jun Lin, Chiing-Chang Chen
Summary: The research focused on the synthesis of M2ZrO2 catalysts for biodiesel production, with optimal conditions identified for transesterification process resulting in biodiesel meeting ASTM D6751 standard properties.
Article
Gastroenterology & Hepatology
Cheng Han Ng, Kai En Chan, Mark Muthiah, Caitlyn Tan, Phoebe Tay, Wen Hui Lim, Darren Jun Hao Tan, Clarissa Elysia Fu, Jie Ning Yong, Zhen Yu Wong, Benjamin Koh, Nicholas W. S. Chew, Nicholas Syn, Daniel Q. Q. Huang, Yock Young Dan, Mohammad S. Siddiqui, Arun J. Sanyal, Mazen Noureddin
Summary: This study examined the proposed changes in nomenclature for fatty liver and found that the population could be classified into nonalcoholic steatotic liver disease, alcohol-associated steatotic liver disease, and viral hepatitis steatotic liver disease. There were no significant differences in the odds of advanced fibrosis and cirrhosis between these groups, but individuals with viral hepatitis steatotic liver disease had a significantly higher risk of clinically significant fibrosis. Overall, this analysis evaluated the impact of the naming changes and increased awareness of fatty liver.
Article
Ecology
Rachel L. Welicky, Whitney C. Preisser, Katie L. Leslie, Natalie Mastick, Evan Fiorenza, Katherine P. Maslenikov, Luke Tornabene, John M. Kinsella, Chelsea L. Wood
Summary: This study used parasite data from English sole specimens to reveal changes in parasite abundance over a 90-year period, indicating a dual response of parasite taxa to long-term ocean change.
FRONTIERS IN ECOLOGY AND THE ENVIRONMENT
(2021)
Article
Chemistry, Physical
M. A. Hazrat, Mohammad G. Rasul, Mohammad M. K. Khan, Nanjappa Ashwath, Arridina S. Silitonga, I. M. R. Fattah, T. M. Indra Mahlia
Summary: Process optimisation and reaction kinetic model were developed for the two-stage esterification-transesterification reactions of waste cooking oil biodiesel. By considering the pseudo-homogeneous irreversible and pseudo-homogeneous first-order irreversible processes, the optimal process conditions and kinetic parameters were determined, leading to an increased overall process conversion efficiency.
Article
Geosciences, Multidisciplinary
T. Rossby, J. Palter, K. Donohue
Summary: The Gulf Stream is the only pathway for warm water to flow poleward in the subtropical North Atlantic, known as the Atlantic Meridional Overturning Circulation (AMOC). Using data collected since the 1930s, the upper-ocean transport between the U.S. Continental Slope and Bermuda, as well as Africa, was estimated, excluding the recirculation gyres of the Gulf Stream. The transport has decreased over the years.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Energy & Fuels
Maira Oliveira Palm, Stella Luchetti Alves de Freitas Barbosa, Matheus Wilgen Goncalves, Diego Alexandre Duarte, Rafael de Camargo Catapan, Catia Regina Silva de Carvalho Pinto
Summary: The study aimed to investigate the impact of plasma-assisted catalytic routes on transesterification reactions, showing that plasma can accelerate reaction rates, increase ethyl acetate conversions, and reduce reaction times.
Article
Green & Sustainable Science & Technology
Rohollah Ezzati, Shahram Ranjbar, Azim Soltanabadi
Summary: The kinetics of the transesterification reaction has been explored theoretically using a three-step mechanism. Experimental data were used to evaluate the accuracy of the theoretical models, showing that the GRE model is suitable for the entire reaction time and can convert to the SO or PFO model at short initial times, with a modified form of the Second-Order model (MSO) in spontaneous reactions. Contrary to previous reports, pseudo-first-order and second-order models are accurate only in the early stages of the transesterification reaction.
Article
Environmental Sciences
Yong-Ming Dai, Yan-Yun Li, Jia-Hao-Lin, Bing Yi Chen, Chiing-Chang Chen
Summary: The study demonstrated that acid-base bifunctional heterogeneous solid catalysts prepared using niobium and alkali metal oxides showed good performance in transesterification for green fuel production. The highest biodiesel yield was achieved with LiNbO3 catalyst under specific conditions, and the properties of the biodiesel produced met international standard specifications.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Biology
Mickael De Carvalho, Guo-Song Jia, Ananya Nidamangala Srinivasa, R. Blake Billmyre, Yan-Hui Xu, Jeffrey J. Lange, Ibrahim M. Sabbarini, Li-Lin Du, Sarah E. Zanders
Summary: Meiotic drivers are selfish elements that can bias their own transmission in the genetic offspring and are thought to have short evolutionary lifespan. However, the study on the evolutionary history of wtf meiotic drivers in fission yeast suggests that these driving systems can still be maintained for a long time.
Article
Energy & Fuels
J. L. Aleman-Ramirez, Patrick U. Okoye, S. Torres-Arellano, F. Paraguay-Delgado, M. Mejia-Lopez, Joel. Moreira, P. J. Sebastian
Summary: A reusable heterogeneous composite catalyst was prepared from a mixture of poultry eggshells and moringa leaves, and effectively catalyzed the production of biodiesel. The catalyst has high surface area and basicity, which tailored the transesterification reaction. The biodiesel produced meets international quality standards and the catalyst can be reused for multiple cycles.
Article
Chemistry, Organic
Xingxian Gu, Jibin Zhao, Like Chen, Yunzhong Li, Bo Yu, Xiangguang Tian, Zhongcheng Min, Su Xu, Huijuan Gu, Junjie Sun, Xiaoquan Lu, Meng Chang, Xufan Wang, Liqun Zhao, Shengqing Ye, Hongwei Yang, Yingtao Tian, Feng Gao, Yu Gai, Guanghua Jia, Jingjing Wu, Yan Wang, Jianghua Zhang, Xuesong Zhang, Weichun Liu, Xin Gu, Xi Luo, Hai Dong, Huaimin Wang, Berthold Schenkel, Francesco Venturoni, Paolo Filipponi, Bertrand Guelat, Thomas Allmendinger, Bernhard Wietfeld, Pascale Hoehn, Nikola Kovacic, Luca Hermann, Thierry Schlama, Thomas Ruch, Nadine Derrien, Philippe Piechon, Florian Kleinbeck
JOURNAL OF ORGANIC CHEMISTRY
(2020)
Article
Chemistry, Multidisciplinary
Tao Luo, Ying Zhang, Jiafeng Xi, Yuchao Lu, Hai Dong
FRONTIERS IN CHEMISTRY
(2020)
Article
Chemistry, Analytical
Xueming Li, QuanQuan Song, Yuxin Pei, Hai Dong, Teodor Aastrup, Zhichao Pei
Summary: The study examines the attachment property of suspension cells on PDA surfaces, finding that suspension cells can directly attach to PDA coatings without secondary modifications. A novel PDA-based suspension-cell QCM biosensor was fabricated, demonstrating high repeatability, stability, and low nonspecific binding. Real-time evaluation of lectin binding on suspension cells indicates glycosylation variations on cell surfaces, offering a new strategy for complex molecular recognition studies.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Multidisciplinary
Jian-Tao Ge, Le-Feng Zhang, Liang Pu, Ying Zhang, Zhi-Chao Pei, Hai Dong
Article
Chemistry, Organic
Guang-Jing Feng, Shuang-Shuang Wang, Jian Lv, Tao Luo, Yuzhou Wu, Hai Dong
Summary: An improved method for synthesizing 1-glycosyl thioacetates was developed, which efficiently synthesized two thioglucoside gliflozin analogues for the first time in high yields. This method overcomes the disadvantages of traditional methods and does not require isolation of intermediate products during the synthesis process.
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
(2021)
Article
Chemistry, Organic
Guang-Jing Feng, Tao Luo, Yang-Fan Guo, Chun-Yang Liu, Hai Dong
Summary: A green method using sodium alkanethiolates instead of alkyl mercaptans and trifluoromethanesulfonic acid in nonpolar solvents is developed for synthesizing 1-thioalkyl glycosides and 1,2-cis-alpha-thioglycosides under mild conditions.
JOURNAL OF ORGANIC CHEMISTRY
(2022)
Article
Chemistry, Organic
Jian Lv, Chun-Yang Liu, Yang-Fan Guo, Guang-Jing Feng, Hai Dong
Summary: A one-pot strategy based on SnCl2-catalyzed acetalation and selective benzoylation was developed to efficiently synthesize orthogonally protected glycosyl acceptors with 2-OH/3-OH. Subsequently, 2-OBz or 3-OBz 4,6-O-benzylidene galactosides and glucosides were prepared in moderate to high yields from free galactosides and glucosides, and were used as valuable glycosyl acceptors for the synthesis of blood group antigens O and B analogues in this study.
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
(2022)
Article
Chemistry, Organic
Tao Luo, Qiang Zhang, Yang-Fan Guo, Zhi-Chao Pei, Hai Dong
Summary: Efficient strategies were developed in this study to synthesize 2-deoxysugars with exclusive alpha/beta-configuration. Four methyl 2-SAc glycosides were synthesized through the double serial inversion strategy and further converted into corresponding glycosyl donors. Glycosylation and synthesis of 2-deoxysugars were also investigated.
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
(2022)
Article
Engineering, Environmental
Tengyang Zhu, Shutong Liu, Qing Xia, Ming Yi, Huan Liu, Hai Dong, Yan Wang
Summary: Polyamide-based thin film composite membranes have been widely used in membrane-based separations. This research focuses on improving the hydrophilicity and chain packing density of the PA selective layer by metal-assisted multiple crosslinking strategy. The resulting TFC-Fe3+-PhA membrane exhibits excellent water/ethanol separation performance, making it a promising candidate for bioethanol purification.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Biochemistry & Molecular Biology
Yang-Fan Guo, Tao Luo, Guang-Jing Feng, Chun-Yang Liu, Hai Dong
Summary: An improved method for efficiently synthesizing 2-OH thioaryl glycosides from per-protected glycals was developed. The method involved the oxidation of glycals with oxone to prepare 1,2-anhydro sugars, followed by reaction with NaBH4 and aryl disulfides. This method was also used in a one-pot reaction to synthesize glycosyl donors with both armed and NGP effects.
Article
Biochemistry & Molecular Biology
Tao Luo, Tian-Tian Xu, Yang-Fan Guo, Hai Dong
Summary: Acetalization and deacetalation are common methods used in the synthesis of glycosyl building blocks to protect and deprotect the 4- and 6-hydroxyl groups of glycosides. This study demonstrates that SnCl4, in the presence of water in CH2Cl2, can catalyze the deacetalization of various carbohydrates with acetal/ketal groups, yielding almost quantitative deacetalization products. Additionally, the selective cleavage of p-methoxylbenzyl groups was observed when using a catalytic amount of SnCl4, while the acetal/ketal groups remained intact. This finding allows for the convenient conversion of 4,6-benzylidene glycosides to 4,6-OAc or 4-OH, 6-OAc glycosides.
Article
Chemistry, Organic
Tao Luo, Yang-Fan Guo, Tian-Tian Xu, Hai Dong
Summary: In this study, a visible-light-promoted desulfurization method was successfully used to synthesize deoxysugars, particularly 1-deoxyglycose, 2,4-deoxyglycosides, and 2-deoxyglycosides with exclusive alpha-configuration. Compared to desulfurization under UV light, this method under visible light is easy to operate, does not require a dedicated photochemical reactor, occurs under mild conditions, and avoids many side reactions.
JOURNAL OF ORGANIC CHEMISTRY
(2023)
Article
Chemistry, Medicinal
Guang-Jing Feng, Yang-Fan Guo, Yuming Tang, Min Li, Yufei Jia, Zhimeng Li, Shuangshuang Wang, Hongmei Liu, Yuzhou Wu, Hai Dong
Summary: The potential of thioglucoside analogues as antidiabetic drugs was investigated in this study. The analogues showed good stability, low toxicity, and high inhibitory activity, making them promising candidates for new gliflozin drugs. Additionally, the synthesis of these analogues is simple, efficient, and cost-effective.
JOURNAL OF MEDICINAL CHEMISTRY
(2023)
Article
Chemistry, Organic
Yang-Fan Guo, Tao Luo, Hai Dong
Summary: This study presents a SnCl2/Me2SnCl2-catalyzed carbamoylation reaction of carbohydrates with high selectivity and yields. The SnCl2 catalyst selectively carbamoylates the axial hydroxyl groups of glycoside substrates containing cis-diols, while the Me2SnCl2 catalyst selectively carbamoylates the equatorial hydroxyl groups. The SnCl2 method has a broader substrate scope, including glycosides with 1,3-diols, while the Me2SnCl2 method can include glycosides with trans-diols.
ORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Multidisciplinary
Jian Lv, Jian-Cheng Yu, Guang-Jing Feng, Tao Luo, Hai Dong
Article
Chemistry, Multidisciplinary
Xuemei Liu, Chaonan Cui, Shuoshuo Wei, Jinyu Han, Xinli Zhu, Qingfeng Ge, Hua Wang
Summary: This study presents a new strategy for designing efficient photocatalysts that can convert CO2 into hydrocarbons by utilizing synergistic catalytic sites. The findings provide a solution for the selective photocatalytic reduction of CO2 to CH4.
Article
Chemistry, Multidisciplinary
Chengxian Hu, Dan Wang, Lu Wang, Ying Fu, Zhengyin Du
Summary: A novel one-pot, three-component reaction conducted under electrochemical conditions was studied. The reaction involved 2-aminothiophenols, aldehydes, and malononitrile, using TBABF4 as an electrolyte and CuI as a catalyst. The proposed reaction mechanism suggested that CuI served as an electron relay. This method offers simplified operation, high atom economy, and mild reaction conditions.
Article
Chemistry, Multidisciplinary
Zhi Yang, Yu Chen, Linxi Wan, Yuxiao Li, Dan Chen, Jianlin Tao, Pei Tang, Fen-Er Chen
Summary: A highly enantioselective method for the complete hydrogenation of pyrimidinium salts using Ir/(S,S)-f-Binaphane complex as the catalyst was developed. This method provides easy access to fully saturated chiral hexahydropyrimidines, which are prevalent in many bioactive molecules. The reactions exhibit high yields and enantioselectivities under mild reaction conditions without additives. Successful application of this methodology in a continuous flow fashion further extends its practical utility.
Article
Chemistry, Multidisciplinary
Tina Jeoh, Jennifer Danger Nill, Wujun Zhao, Sankar Raju Narayanasamy, Liang Chen, Hoi-Ying N. Holman
Summary: In this study, the enzymatic hydrolysis of cellulose was investigated using real-time infrared spectromicroscopy. The spatial heterogeneity of cellulose was found to impact the hydrolysis kinetics. Hydration affected cellulose ordering, and Cel7A preferentially removed less extensively hydrogen bonded cellulose.
Article
Chemistry, Multidisciplinary
Tiphaine Richard, Walid Abdallah, Xavier Trivelli, Mathieu Sauthier, Clement Dumont
Summary: An effective method of grafting functionalities onto lignin based on glycerol carbonate has been developed using an efficient nickel-catalysed telomerisation reaction. This method allows lignin to have new reactive functions and reduces the glass transition temperatures of modified lignins, thereby expanding the application range of lignin-based resins.
Article
Chemistry, Multidisciplinary
Jing Qi, Xiyan Wang, Gan Wang, Srinivas Reddy Dubbaka, Patrick ONeill, Hwee Ting Ang, Jie Wu
Summary: This study presents a green and environmentally friendly approach for the synthesis of imides using electrocatalytic oxidation with H2O as the oxygen source. The method eliminates the need for toxic or expensive oxidants and achieves high yields under mild reaction conditions. It shows broad substrate compatibility and potential for industrial applications.
Article
Chemistry, Multidisciplinary
Babasaheb Sopan Gore, Lin-Wei Pan, Jun-Hao Lin, Yi-Chi Luo, Jeh-Jeng Wang
Summary: Here, we report a visible light-promoted intramolecular radical cascade reaction for the construction of fluorenol and naphthalene-fused cyclopropyl carbaldehyde derivatives. This method offers mild reaction conditions, a broad substrate scope, excellent step efficiency, and scalability, without the need for external chemical oxidants. The novelty of this protocol was demonstrated by synthesizing chrysene analogs and performing late-stage functionalizations.
Article
Chemistry, Multidisciplinary
Juho Antti Sirvio, Idamaria Romakkaniemi, Juha Ahola, Svitlana Filonenko, Juha P. Heiskanen, Ari Ammala
Summary: This article discusses the method of using supramolecular interaction between an aromatic hydrogen bond donor and lignin to achieve rapid delignification of softwood at low temperatures.
Article
Chemistry, Multidisciplinary
Yunyan Meng, Chunxiang Pan, Na Liu, Hongjiang Li, Zixiu Liu, Yao Deng, Zixiang Wei, Jianbin Xu, Baomin Fan
Summary: A novel visible light-driven synthesis method for 2,3-diamines has been developed, which has mild conditions, avoids the use of metal reagents, and can synthesize diamines and diols in one pot.
Article
Chemistry, Multidisciplinary
Mingqing Huang, Haiyang Huang, Mengyao You, Xinxin Zhang, Longgen Sun, Chao Chen, Zhichao Mei, Ruchun Yang, Qiang Xiao
Summary: A direct air-oxidized strategy for the synthesis of benzo[b]phosphole oxides was developed in this study. Arylphosphine oxides were transformed into phosphinoyl radicals, which were further combined with various alkynes to achieve the desired products. DFT calculations revealed the mechanism of phosphinoyl radical formation.
Article
Chemistry, Multidisciplinary
Anwei Wang, Jiayin Huang, Chunsheng Zhao, Yu Fan, Junfeng Qian, Qun Chen, Mingyang He, Weiyou Zhou
Summary: This study demonstrates an innovative strategy for the aerobic oxidation of C(sp(3))-H bonds using gamma-valerolactone. By optimizing the reaction conditions and utilizing specific catalysts, efficient oxidation of C(sp(3))-H bonds is achieved with good chemoselectivity in certain cases.
Article
Chemistry, Multidisciplinary
Shun Li, Likai Tong, Zhijian Peng, Bo Zhang, Xiuli Fu
Summary: Sulfide compounds show promise as electrocatalysts for water splitting, but their performance is limited by factors such as limited active sites and hindered substance transport. This study successfully prepared a high-entropy sulfide (ZnCoMnFeAlMg)(9)S-8, which reduced grain size and increased specific surface area, enabling the realization of a dual-functional catalyst with multiple catalytic sites. High entropy also modulated the electronic properties of sulfides, reducing the potential energy barrier for hydrolysis. This research introduces a new approach for functionalizing high entropy nanomaterials and improves the performance of water splitting catalysts.