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U.K. to invest ₹205 crore to help fight plastic pollution in West Bengal

This investment will enable the expansion and development of an integrated single-line bottle-to-bottle food-grade recycling plant by Magpet at Vidyasagar Industrial Park, Kharagpur




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Cyclonic storm Dana: Kolkata airport to suspend flight operations from 6 pm on October 24

The IMD said that the cyclone is likely to make landfall between Bhitarkanika National Park and Dhamra port in neighbouring Odisha on October 25




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Protesting doctors hold convention at R.G. Kar Hospital with fresh call for justice

Doctors to decide future course of agitation after consultation with stakeholders




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Cyclone Dana: Odisha CM Majhi lauds Ministers, officials after achieving 'zero casualty'

Odisha Chief Minister expresses gratitude for zero casualties during Cyclone Dana and the Indian Navy mobilises relief efforts




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Kolkata Police starts probe into 'hacking' of live-streaming of Calcutta High Court hearing

During the hearing of Justice Subhasish Samanta at courtroom number 7, an obscene video was allegedly “live-streamed” for nearly one minute before it could be stopped




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One dead in major blaze at chemical factory in West Bengal’s Madhyamgram

Several people suffered severe burn injuries; workers were trapped inside the factory as firefighters struggled to reach them; with smoke engulfing the whole area, panic sparked among local residents




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Stir seeking justice for murdered doctor in West Bengal undermined by split

While the WBJDF has been at loggerheads with the State government on multiple occasions, the WBJDA appears to be going soft on the administration




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Kolkata police amps up inspection on firecracker shops ahead of Deepawali

Only green crackers are allowed in markets to ensure low pollution and air quality control




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Not upset about failing to meet Amit Shah, may get chance later: Parents of R.G. Kar victim

We understand that being the Union Home Minister, he has enormous responsibilities. He must be too hard-pressed to squeeze some time out for us during the day-long visit,” says the mother of the deceased doctor




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Kolkata Police arrest 292 people, seize over 500kg of banned firecrackers

Kolkata Police crack down on illegal firecrackers, arresting 292 people and seizing over 500 kg of banned fireworks




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Kolkata police arrest 601 for violations on Deepavali and Kali Puja; three dead in Howrah as house catches fire

The Kolkata Traffic Police registered cases against 841 people on charges such as rash driving and drunken driving. In an incident in Ward 110 of Patuli area, an adolescent boy was injured in a crude bomb explosion. In Howrah district, three people, including two children, died after a house where firecrackers had been stored caught fire.




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‘IIM Calcutta violating reservation policy in hiring faculty members’

Students’ association points to RTI data, says only 2 seats filled by SC and 4 by OBC candidates against sanctioned strength of 18 and 34 respectively




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Row breaks out over endorsement of Trinamool candidate by officials of Kolkata-based football clubs

Leader of Opposition Suvendu Adhikari called the move ‘unprecedented and unethical’, writes to Union Sports Minister seeking his intervention




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Not in favour of genetically modified tea, says Asia Tea Alliance

With saturation of European and American markets, Asian tea producers are eyeing untapped African market for exports




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West Bengal bypolls: Campaign picks up as political barbs fly thick and fast

BJP president Sukanta Majumdar targets police whereas Trinamool leader Firhad Hakim apologises  for comment on woman BJP leader




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West Bengal junior doctors bring out rally to demand justice for R.G. Kar victim

The protesting doctors have also come up with a gallery highlighting their protests for the past 90 days




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Halide-free and metal-free allylic thiolation/selenation of P(O)H compounds with sulfur/selenium and allylic alcohols

Green Chem., 2024, 26,10886-10892
DOI: 10.1039/D4GC03960B, Paper
Longzhi Zhu, Weiwei Luo, Furong Guo, Lin Chen, Ying Tang, Biquan Xiong, Yu Liu, Ke-Wen Tang, Renhua Qiu
A halide- and metal-free method for forming C–S/Se–P(O) bonds using allylic alcohols, P(O)H compounds, and elemental sulfur/selenium is reported, eliminating the need for toxic, odorous, and moisture-sensitive starting materials.
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One-pot synthesis of conjugated vinylene-extended viologen ionic radical polyacetylenes for visible light-promoted photocatalytic CO2 cycloaddition

Green Chem., 2024, 26,10876-10885
DOI: 10.1039/D4GC03683B, Paper
Yanan Chang, Shuo Wang, Juan Chen, Zixuan Xu, Qing Shi, Yunjie Mao, Yanli Gai, Zhouyang Long, Guojian Chen
In situ synthesis of a conjugated vinylene-extended viologen ionic radical polyacetylene (VIRP-2) for visible light-promoted photocatalytic CO2 cycloaddition under ambient conditions.
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What to do with polyurethane waste? The environmental potential of chemically recycling polyurethane rigid foam

Green Chem., 2024, 26,10893-10906
DOI: 10.1039/D4GC02594F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Martin Pillich, Johannes Schilling, Luca Bosetti, André Bardow
The environmental potential guides through the maze of chemical recycling of polyurethane rigid foams highlighting promising options.
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Self-supported FeCoNiCuP high-entropy alloy nanosheet arrays for efficient glycerol oxidation and hydrogen evolution in seawater electrolytes

Green Chem., 2024, 26,10921-10928
DOI: 10.1039/D4GC02517B, Paper
Leyang Song, Chaoqun Ma, Peidong Shi, Xiaojuan Zhu, Kaiyu Qu, Lijie Zhu, Qipeng Lu, An-Liang Wang
Self-supported FeCoNiCuP high entropy alloy nanosheet arrays electrocatalyst was developed for highly efficient glycerol oxidation to formate and hydrogen evolution in seawater electrolytes.
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Feasibility and sustainability of emerging CCU pathways for formic acid production

Green Chem., 2024, 26,10982-10995
DOI: 10.1039/D4GC02507E, Paper
Tesfalem Aregawi Atsbha, Ha-Jun Yoon, Ali Cherif, Chul-Jin Lee
The thermo-catalytic pathway can be a competitive alternative to the conventional pathway. CO2 source and electricity source highly affected the GWI for the thermo-catalytic pathway and electrochemical reduction pathway respectively.
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Biodegradable polymers: from synthesis methods to applications of lignin-graft-polyester

Green Chem., 2024, 26,10774-10803
DOI: 10.1039/D4GC03558E, Tutorial Review
Open Access
Sundol Kim, Hoyong Chung
Biodegradable lignin-based grafted polyesters have wide range of applications.
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Evaluation on the recovery of lignin from basic [Ch][Lys] systems using low-cost alcohols as anti-solvents under acid-free conditions

Green Chem., 2024, 26,10950-10959
DOI: 10.1039/D4GC03898C, Paper
Yichen Liu, Wanting Zhao, Qizhen Luo, Jipeng Yan, Jian Sun
An acid-free, high efficiency, and mild method of precipitating and separating lignin from basic ionic liquids (BIL) such as choline lysinate ([Ch][Lys]) by using alchohols (such as tert-butanol) as anti--solvents.
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Green and controllable synthesis of symmetrical and unsymmetrical difluoromethylated diarylmethanes via a direct bisarylation strategy enabled by an HFIP–B(C6F5)3 adduct

Green Chem., 2024, 26,10969-10974
DOI: 10.1039/D4GC03917C, Paper
Xindi Li, Yiping Zhu, Zhina Gong, Jinshan Li, Jialin Xie, Zhendong Zhao, Jianwei Li, Chunman Jia
An efficient and environmentally friendly for the synthesis of symmetrical and unsymmetrical difluoromethylated diarylmethanes via direct bisarylation of difluoroacetaldehyde hemiacetal with aniline enabled by HFIP–B(C6F5)3 adduct is described.
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A sequential flow process of CO2 capture and conversion using cost-effective porous organic polymers

Green Chem., 2024, 26,10960-10968
DOI: 10.1039/D4GC03494E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Zhongqi Wu, Zhong Li, Lei Hu, Samson Afewerki, Maria Strømme, Qian-Feng Zhang, Chao Xu
A sequential flow process utilizing cost-effective porous organic materials to capture CO2 and directly convert it into fine chemicals has been achieved, which could improve the practical applicability of CO2 capture and utilization technologies.
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Straightforward solid-phase modification of TiO2 with propylphosphonic acid via manual grinding and shaker mixing: enhancing modification degree by thermal control while improving atom economy

Green Chem., 2024, 26,10907-10920
DOI: 10.1039/D4GC03330B, Paper
Open Access
Kaimin Zhang, Jinxin Wang, Nick Gys, Elien Derveaux, Nahal Ghanemnia, Wouter Marchal, Peter Adriaensens, Vera Meynen
The straightforward manual grinding method achieves controllable grafting of organophosphonic acid onto TiO2, demonstrating its atom economy and greenness.
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Research progress on photocatalytic, electrocatalytic and photoelectrocatalytic selective oxidation of 5-hydroxymethylfurfural

Green Chem., 2024, 26,10739-10773
DOI: 10.1039/D4GC03597F, Critical Review
Yang An, Tao Lei, Weiyi Jiang, Huan Pang
This paper summarizes the latest research progress in selective photocatalytic, electrocatalytic, and photoelectrocatalytic oxidation of HMF, along with the reaction mechanisms, advantages, and challenges faced during selective HMF oxidation.
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Lipase-entrapped colloidosomes with light-responsive wettability for efficient and recyclable Pickering interfacial biocatalysis

Green Chem., 2024, 26,10824-10828
DOI: 10.1039/D4GC03982C, Communication
Dingyi Yang, Qi Zeng, Kaiwen Tan, Haoyue Hou, Xingyuan Fang, Chenlong Guo, Hao Yuan, Tao Meng
We prepared lipase-entrapped TiO2 colloidosomes with excellent recyclability for light-responsive Pickering interfacial biocatalysis, providing a green, recyclable and efficient Pickering interfacial biocatalysis platform.
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Metal-free photoinduced-radical hydrocyclization of 2-isocyanides: a unified synthetic approach to facilely assemble diverse N-heteroarenes

Green Chem., 2024, 26,10804-10810
DOI: 10.1039/D4GC03774J, Communication
Ziyi Wang, Haonan Wei, Jinrong Du, Zhijun Zuo
We present an efficient and sustainable protocol for the photoinduced-radical hydrocyclization of isocyanides, providing a united route to assemble diverse α-unsubstituted N-heteroarenes.
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Electrochemistry-enabled Rh-catalyzed regioselective [4 + 1] and [4 + 2] cycloaddition of benzoic acid with alkynyl esters/amides

Green Chem., 2024, 26,10996-11002
DOI: 10.1039/D4GC03753G, Paper
Wei-Jung Chiu, Chung-Ming Sun
The reaction of benzoic acids with alkynyl esters/amides in the presence of a Rh-catalyst and AcOH as an additive to give phthalides by [4 + 1] annulation. In contrast, the additive NaOAc exclusively affords isocoumarins through the [4 + 2] pathway.
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Light-induced isomerization of quinoline-N-oxide derivatives through Zn-catalysis: a photochemical approach for synthesizing 2-quinolinone derivatives

Green Chem., 2024, 26,10818-10823
DOI: 10.1039/D4GC03226H, Communication
Xiaoqiang Yu, Sana Yang, Ning Yan, Yukang Fu, Yang Li, Wanhui Wang, Ming Bao
The light-induced Zn-catalyzed isomerization of quinoline-N-oxides proceeded smoothly to afford 2-quinolinone derivatives via intramolecular hydrogen and oxygen transfer.
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Postliminary treatment of food-waste digestate via combined hydrothermal carbonization and microbial fuel cell for bio-energy recovery: a comparative life cycle impact assessment

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04081C, Paper
Shraddha Yadav, Manikanta M. Doki, Makarand M. Ghangrekar, Brajesh K. Dubey
Multiple resource recovery from food-waste digestate by deploying hydrothermal carbonisation and microbial fuel cells. A green route for environmental sustainability and economic gains.
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Controllable tertiary amine-promoted photoactivation metal-free carbonylation of aryl sulfonium salts to aryl carboxylic acid derivatives

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04502E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Jiajun Zhang, Le-Cheng Wang, Yuanrui Wang, Xiao-Feng Wu
This paper describes a new method for the activation of aryl radicals via EDA complexes without metals and photosensitizers for carbonylation with various nucleophilic reagents under visible light.
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A solvent-free, self-emulsified and heat-responsive polyester coating enables chemically-recyclable and fire-safe PET foam

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04531A, Paper
Bei-Bei Zhang, Li-Xia Fan, Lin Chen, Xiu-Li Wang, Yu-Zhong Wang
This work implements a state-of-the-art strategy to simultaneously achieve use performance and future recycling, which will greatly benefit the green sustainable circular economy for wind turbine blades.
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Does enzymatic catalysis lead to more sustainable chemicals production? A life cycle sustainability assessment of isopropyl palmitate

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04514A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Pieter Nachtergaele, Ozan Kocak, Yblin Roman Escobar, Jordy Motte, Dries Gabriels, Leopold Mottet, Jo Dewulf
A methodology is presented for assessing the life cycle sustainability of enzymatic catalysis for chemicals production. For IPP, lower environmental impacts, but higher costs and social risks were found for switching to enzymatic catalysis.
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Modular access to multi-substituted allenones via environmentally friendly organocatalytic C–H allenylation of aldehydes

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04550E, Paper
Xinying Hu, Ayisenbati Jialingbieke, Yuzhi Ren, Yifan Yang, Donghui Wei, Jian Gao, Ding Du
Organocatalytic direct C–H allenylation of aldehydes with propargyl bromides has provided a straightforward and step-economical strategy for allenone modular synthesis.
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Advancing green chemistry in environmental monitoring: the role of electropolymerized molecularly imprinted polymer-based electrochemical sensors

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC03250K, Tutorial Review
Christopher Mwanza, Wei-Zhi Zhang, Kalulu Mulenga, Shou-Nian Ding
Molecularly imprinted polymers (MIPs) are synthetic materials designed to mimic the natural “lock and key” mechanism observed in biomolecular systems, such as the interactions between antibodies and antigens.
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The Effects of Polyolefin Structure and Source on Pyrolysis-Derived Plastic Oil Composition

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC04029E, Paper
Jiayang Wu, Zhen Jiang, Victor S Cecon, Greg W. Curtzwiler, George W. Huber, Keith L. Vorst, Manos Mavrikakis
Seven types of plastics were pyrolyzed in a fluidized bed reactor: post-consumer recycled (PCR) high-density polyethylene (HDPE), PCR polypropylene (PP), virgin resins of varying molecular weights of HDPE, virgin resins...
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Continuous-flow Synthesis of Cyclic Carbonates with Polymer-supported Imidazolium-based Ionic Liquid (Im-PSIL) Catalysts

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC04499A, Communication
Open Access
Zhibo Yu, Haruro Ishitani, Shu Kobayashi
Carbon dioxide (CO2), a major greenhouse gas emitted through human activities, represents a valuable carbon source for chemical production. However, maximizing its efficiency requires novel methods for CO2 conversion that...
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Catalytic hydrodeoxygenation and C–C coupling of lignin and its derivatives into renewable jet-fuel-range cycloalkanes

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC02051K, Critical Review
Xinyong Diao, Ying Xiong, Yawen Shi, Longlong Ma, Chenglong Dong, Shengbo Zhang, Na Ji
This review provides an in-depth understanding of the synthesis pathways and corresponding catalytic systems for the production of jet-fuel-range cycloalkanes from lignin and its derivatives via catalytic hydrodeoxygenation and C–C coupling.
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Advances in catalytic chemical recycling of synthetic textiles

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC04768K, Tutorial Review
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Carmen Moreno-Marrodan, Francesco Brandi, Pierluigi Barbaro, FRANCESCA LIGUORI
Synthetic fibres cover most of textile market, but their value chain is almost entirely linear. Common raw materials are non-renewable and oil-derived, while requiring large amounts of (toxic) chemicals and...
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Engineering high-valence nickel sites in Ni3S2/Ni3Se2 architectures enabling urea-assisted hydrogen evolution reactions

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04318A, Paper
Taotao Ai, Miaomiao Bai, Weiwei Bao, Jie Han, Xueling Wei, Xiangyu Zou, Jungang Hou, Lizhai Zhang, Zhifeng Deng, Yuxin Zhang
Bifunctional Ni3S2@Ni3Se2 electrocatalysts were constructed for urea-assisted hydrogen evolution. In the HER/UOR two-electrode system, the heterogeneous interface modulates the electronic structure and thus improves the catalytic performance.
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Engineering in situ: N-doped porous carbon-confined FeF3 for efficient lithium storage

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04097J, Paper
Open Access
Jinlong Hu, Weijun Xu, Lingzhi Zhang
Achieving N-doped porous carbon-confined FeF3 with enhanced lithium storage performance via an innovative in situ engineering approach.
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In silico modeling enables greener analytical and preparative chromatographic methods

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04300F, Paper
Troy T. Handlovic, Daipayan Roy, Muhammad Qamar Farooq, Gabriel Mazzi Leme, Kevin Crossley, Imad A. Haidar Ahmad
Environmental impact of chromatographic separation at both analytical and preparative scale can be significantly reduced using In Silico Modeling.
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Hypervalent iodine chemistry with a mechanochemical twist

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04903A, Communication
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Sayad Doobary, Miguel M. de Vries Ibáñez, Berit Olofsson
An assessment of mechanochemistry's utility with hypervalent iodine reagents highlighted its effectiveness, which showed better selectivity, reaction times and differing reactivity.
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CO2 catalyzed recycling of polyester and polycarbonate plastics

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04782F, Paper
Open Access
Qiao Zhang, Nan Wang, Chenyang Hu, Peng-Yuan Li, Fu-Quan Bai, Xuan Pang, Xuesi Chen, Xianhong Wang
CO2 was found to be an efficient catalyst for depolymerizing common waste polyesters and polycarbonates via alcoholysis, yielding valuable organic molecules. CO2 was considered a Lewis acid–base pair, activating both polymers and alcohol.
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Single-layer 2D supramolecular-organic-framework-supported polyoxometalates: efficient selective oxidation of toluene in seawater under sunlight

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC04480K, Paper
Xin-Long Ni, Yan Fan, Yi Luo, Xu Luo
Performing organic reactions in water, in particular in seawater under sunlight, is a desirable objective in chemistry because both are the most abundant and cheapest resources on earth. Herein, we...
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Single cobalt atom catalysis for the construction of quinazolines and quinazolinones via the aerobic dehydrocyclization of ethanol

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC04928D, Paper
Xueping Zhang, Kai Xu, Yi Zhuang, Shihao Yuan, Yamei Lin, Guo-Ping Lu
It is still a significant and challenging for the synthesis of N-heterocycles through the aerobic dehydrocyclization of ethanol since ethanol is the largest renewable small molecule feedstock but with high...
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Biological production and simulated moving bed purification of streptothricin F from food waste digestate

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04026K, Paper
Xiaofang Zhou, Peiyi Li, Yuchen Sun, Zeyang Zhang, Chuanyi Yao, Qingbiao Li, Yuanpeng Wang
Globally, a significant amount of food waste is generated annually, representing a considerable potential resource.
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Rational modulation of cellulose for zinc ion-based energy storage devices

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC03525A, Tutorial Review
Penggao Liu, Chunrong He, Xinyue Chen, Ting Wang, Wei Song, Weifang Liu, Kaiyu Liu
Aqueous zinc-ion energy storage technology is currently undergoing intensive exploration. The construction of high-efficiency batteries remains a significant obstacle to the further advancement of novel battery types and enhanced electrochemical...
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