Chinese Chemical Letters

Papers
(The TQCC of Chinese Chemical Letters is 17. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)
ArticleCitations
Advances in engineering RuO2 electrocatalysts towards oxygen evolution reaction182
Fluorine-containing drugs approved by the FDA in 2019154
Recent research progress of bimetallic phosphides-based nanomaterials as cocatalyst for photocatalytic hydrogen evolution149
Targeted pH-responsive polyion complex micelle for controlled intracellular drug delivery137
Photocatalytic degradation of organic pollutants by MOFs based materials: A review134
The carbon nanotubes-based materials and their applications for organic pollutant removal: A critical review133
Recent advances in the improvement of g-C3N4 based photocatalytic materials129
pH-Sensitive nanoscale materials as robust drug delivery systems for cancer therapy127
Carbon-based single atom catalyst: Synthesis, characterization, DFT calculations124
Advances of nanoparticles as drug delivery systems for disease diagnosis and treatment123
Recent advances in persulfate-based advanced oxidation processes for organic wastewater treatment121
A new Eu-MOF for ratiometrically fluorescent detection toward quinolone antibiotics and selective detection toward tetracycline antibiotics119
The progress and perspective of strategies to improve tumor penetration of nanomedicines118
Construction of piezoelectric BaTiO3/MoS2 heterojunction for boosting piezo-activation of peroxymonosulfate116
Degradation of 4-nitrophenol by electrocatalysis and advanced oxidation processes using Co3O4@C anode coupled with simultaneous CO2 reduction via SnO2/CC cathode116
N-doped honeycomb-like porous carbon towards high-performance supercapacitor115
Decontamination of heavy metal complexes by advanced oxidation processes: A review114
Highly efficient catalytic performances of nitro compounds via hierarchical PdNPs-loaded MXene/polymer nanocomposites synthesized through electrospinning strategy for wastewater treatment112
Role of biochar surface characteristics in the adsorption of aromatic compounds: Pore structure and functional groups111
Visible-light-induced three-component reaction of quinoxalin-2(1H)-ones, alkenes and CF3SO2Na leading to 3-trifluoroalkylated quinoxalin-2(1H)-ones109
Cascaded electron transition in CuWO4/CdS/CDs heterostructure accelerating charge separation towards enhanced photocatalytic activity109
Recent advances in N-heterocyclic carbene-catalyzed radical reactions109
In-situ construction of Z-scheme g-C3N4/WO3 composite with enhanced visible-light responsive performance for nitenpyram degradation107
Research progress on transition metal oxide based electrode materials for asymmetric hybrid capacitors105
Visible light-assisted peroxydisulfate activation via hollow copper tungstate spheres for removal of antibiotic sulfamethoxazole105
CoFe-LDH nanowire arrays on graphite felt: A high-performance oxygen evolution electrocatalyst in alkaline media105
Current signal amplification strategies in aptamer-based electrochemical biosensor: A review105
Recent advances on electroactive CNT-based membranes for environmental applications: The perfect match of electrochemistry and membrane separation103
Advances in aggregatable nanoparticles for tumor-targeted drug delivery103
Visible-light-initiated tandem synthesis of difluoromethylated oxindoles in 2-MeTHF under additive-, metal catalyst-, external photosensitizer-free and mild conditions101
Efficient degradation of sulfamethoxazole by acetylene black activated peroxydisulfate100
Functional groups to modify g-C3N4 for improved photocatalytic activity of hydrogen evolution from water splitting99
Recent advancements in graphene adsorbents for wastewater treatment: Current status and challenges98
ROS-responsive cyclodextrin nanoplatform for combined photodynamic therapy and chemotherapy of cancer98
Visible-light-initiated malic acid-promoted cascade coupling/cyclization of aromatic amines and KSCN to 2-aminobenzothiazoles without photocatalyst98
Visible-light-initiated 4CzIPN catalyzed multi-component tandem reactions to assemble sulfonated quinoxalin-2(1H)-ones96
Recent advances for the photoinduced C C bond cleavage of cycloketone oximes96
Transition metal-based electrocatalysts for overall water splitting95
A mini-review on MXenes as versatile substrate for advanced sensors93
Recent advances in BiOBr-based photocatalysts for environmental remediation92
Revolutions in algal biochar for different applications: State-of-the-art techniques and future scenarios92
Transition metal carbides in electrocatalytic oxygen evolution reaction91
A review of ARGs in WWTPs: Sources, stressors and elimination91
Recent advances in electrochemical sensors for antibiotics and their applications91
Capture and separation of CO2 on BC3 nanosheets: A DFT study90
Single atom catalytic oxidation mechanism of formaldehyde on Al doped graphene at room temperature90
Enhanced peroxidase-like activity of hierarchical MoS2-decorated N-doped carbon nanotubes with synergetic effect for colorimetric detection of H2O2 and ascorbic acid88
Metal-organic framework-based nanomaterials for biomedical applications88
Engineering carbon nanocatalysts towards efficient degradation of emerging organic contaminants via persulfate activation: A review88
Injectable baicalin/F127 hydrogel with antioxidant activity for enhanced wound healing85
Oral colon-targeted mucoadhesive micelles with enzyme-responsive controlled release of curcumin for ulcerative colitis therapy85
Two-dimensional TiO2 (001) nanosheets as an effective photo-assisted recyclable sensor for the electrochemical detection of bisphenol A85
Carbon–sulfur bond formation via photochemical strategies: An efficient method for the synthesis of sulfur-containing compounds84
Enhanced removal of bisphenol A by cyclodextrin in photocatalytic systems: Degradation intermediates and toxicity evaluation84
New techniques and strategies in drug discovery83
Metal-organic framework as a multi-component sensor for detection of Fe3+, ascorbic acid and acid phosphatase81
Sustainable activation of peroxymonosulfate by the Mo(IV) in MoS2 for the remediation of aromatic organic pollutants81
Fluorine-containing pharmaceuticals approved by the FDA in 2020: Synthesis and biological activity80
A leap forward in sulfonium salt and sulfur ylide chemistry80
Highly active N, O-doped hierarchical porous carbons for high-energy supercapacitors79
Liposome-based delivery of biological drugs79
Recent progress of composite solid polymer electrolytes for all-solid-state lithium metal batteries79
Sm-doped g-C3N4/Ti3C2 MXene heterojunction for visible-light photocatalytic degradation of ciprofloxacin78
Recent progress in tumor photodynamic immunotherapy76
Advances, opportunities, and challenge for full-color emissive carbon dots76
Au nanorods decorated TiO2 nanobelts with enhanced full solar spectrum photocatalytic antibacterial activity and the sterilization file cabinet application76
Recent advances of MXene as promising catalysts for electrochemical nitrogen reduction reaction75
Recent advances in bismuth vanadate-based photocatalysts for photoelectrochemical water splitting75
Diketopyrrolopyrrole‐derived organic small molecular dyes for tumor phototheranostics75
Delivery of triptolide with reduction-sensitive polymer nanoparticles for liver cancer therapy on patient-derived xenografts models74
Two-dimensional vanadium carbide (V2CT ) MXene as supercapacitor electrode in seawater electrolyte74
Mechanical properties and frictional resistance of Al composites reinforced with Ti3C2T MXene74
Strategies for constructing manganese-based oxide electrode materials for aqueous rechargeable zinc-ion batteries72
Facilely anchoring Cu2O nanoparticles on mesoporous TiO2 nanorods for enhanced photocatalytic CO2 reduction through efficient charge transfer71
Ternary Ag/Ag3PO4/MIL-125-NH2 Z-scheme heterojunction for boosted photocatalytic Cr(VI) cleanup under visible light71
Heterostructures of NiFe LDH hierarchically assembled on MoS2 nanosheets as high-efficiency electrocatalysts for overall water splitting70
Highly-active, metal-free, carbon-based ORR cathode for efficient organics removal and electricity generation in a PFC system70
Large scale synthesis of red emissive carbon dots powder by solid state reaction for fingerprint identification70
Highly selective and turn-on fluorescence probe with red shift emission for naked-eye detecting Al3+ and Ga3+ based on metal-organic framework69
Bifunctional copper modified graphitic carbon nitride catalysts for efficient tetracycline removal: Synergy of adsorption and photocatalytic degradation69
Selective adsorption of phosphate in water using lanthanum-based nanomaterials: A critical review69
An overview of polymeric nanomicelles in clinical trials and on the market69
Nanozymes for regulation of reactive oxygen species and disease therapy69
Electrode materials derived from plastic wastes and other industrial wastes for supercapacitors69
Emerging two-dimensional nanocatalysts for electrocatalytic hydrogen production68
Fluorine-containing drugs approved by the FDA in 202167
Potential active sites of Mo single atoms for electrocatalytic reduction of N267
Large-scale Ni-MOF derived Ni3S2 nanocrystals embedded in N-doped porous carbon nanoparticles for high-rate Na+ storage66
Practical and sustainable approach for clean preparation of 5-organylselanyl uracils66
Recent advances and trends of heterogeneous electro-Fenton process for wastewater treatment-review66
A mitochondrial-targeted ratiometric probe for detecting intracellular H2S with high photostability66
ZIF-67 derived hollow Ni-Co-Se nano-polyhedrons for flexible hybrid supercapacitors with remarkable electrochemical performances66
MXene-composited highly stretchable, sensitive and durable hydrogel for flexible strain sensors66
Different non-radical oxidation processes of persulfate and peroxymonosulfate activation by nitrogen-doped mesoporous carbon66
Controlled synthesis of polypeptides64
Current research progress of photopolymerized hydrogels in tissue engineering64
Energy saving and environment-friendly element-transfer reactions with industrial application potential64
Novel organic/inorganic PDI-Urea/BiOBr S-scheme heterojunction for improved photocatalytic antibiotic degradation and H2O2 production64
Enhancing photocatalytic performance of metal-organic frameworks for CO2 reduction by a bimetallic strategy64
Visible-light-induced photoredox-catalyzed synthesis of benzimidazo[2,1-a]iso-quinoline-6(5H)-ones64
Two-dimensional alloyed transition metal dichalcogenide nanosheets: Synthesis and applications64
Recent advances in the development of activatable multifunctional probes for in vivo imaging of caspase-364
Insights into the electrochemical degradation of sulfamethoxazole and its metabolite by Ti/SnO2-Sb/Er-PbO2 anode63
Rich B active centers in Penta-B2C as high-performance photocatalyst for nitrogen reduction63
Artful union of a zirconium-porphyrin MOF/GO composite for fabricating an aptamer-based electrochemical sensor with superb detecting performance63
Highly N/O co-doped ultramicroporous carbons derived from nonporous metal-organic framework for high performance supercapacitors63
Role of MXene surface terminations in electrochemical energy storage: A review62
Ingeniously designed Ni-Mo-S/ZnIn2S4 composite for multi-photocatalytic reaction systems62
Z-scheme heterojunction of SnS2-decorated 3DOM-SrTiO3 for selectively photocatalytic CO2 reduction into CH462
Tunable light emission from carbon dots by controlling surface defects61
Predicted a honeycomb metallic BiC and a direct semiconducting Bi2C monolayer as excellent CO2 adsorbents61
SbPS4: A novel anode for high-performance sodium-ion batteries61
Electrochemical regioselective synthesis of N-substituted/unsubstituted 4-selanylisoquinolin-1(2H)-ones61
A practical synthesis of α-bromo/iodo/chloroketones from olefins under visible-light irradiation conditions61
Metal-organic framework membranes: From synthesis to electrocatalytic applications61
Solution-processed multi-resonance organic light-emitting diodes with high efficiency and narrowband emission60
Applications of metal–organic framework composites in CO2 capture and conversion60
3D printing hydrogels for actuators: A review60
Recent development of pillar[n]arene-based amphiphiles60
Hydrogen generation of ammonia borane hydrolysis catalyzed by Fe22@Co58 core-shell structure59
New advances in gated materials of mesoporous silica for drug controlled release59
Ferric ion-ascorbic acid complex catalyzed calcium peroxide for organic wastewater treatment: Optimized by response surface method59
Photo-responsive metal/semiconductor hybrid nanostructure: A promising electrocatalyst for solar light enhanced fuel cell reaction59
Visible-light-promoted oxidative decarboxylation of arylacetic acids in air: Metal-free synthesis of aldehydes and ketones at room temperature59
Sensing nanomaterials of wearable glucose sensors59
Effective E. coli inactivation of core-shell ZnO@ZIF-8 photocatalysis under visible light synergize with peroxymonosulfate: Efficiency and mechanism59
Ternary BiOBr/TiO2/Ti3C2T MXene nanocomposites with heterojunction structure and improved photocatalysis performance58
An aqueous zinc-ion hybrid super-capacitor for achieving ultrahigh-volumetric energy density58
Self-assembled fluorescent tripeptide nanoparticles for bioimaging and drug delivery applications58
D-A-D structured selenadiazolesbenzothiadiazole-based near-infrared dye for enhanced photoacoustic imaging and photothermal cancer therapy58
Dynamic covalent chemistry-regulated stimuli-activatable drug delivery systems for improved cancer therapy57
Magnetofection: Magic magnetic nanoparticles for efficient gene delivery57
Ti3C2T /PEDOT:PSS hybrid materials for room-temperature methanol sensor57
Recent progress on microfluidic biosensors for rapid detection of pathogenic bacteria57
Recent advances in synthesis of organosilicons via radical strategies56
An old story with new insight into the structural transformation and radical production of micron-scale zero-valent iron on successive reactivities56
Prediction of stable BC3N2 monolayer from first-principles calculations: Stoichiometry, crystal structure, electronic and adsorption properties56
Anti-inflammatory catecholic chitosan hydrogel for rapid surgical trauma healing and subsequent prevention of tumor recurrence56
A perspective of the engineering applications of carbon-based selenium-containing materials56
Octadecylamine and glucose-coderived hydrophobic carbon dots-modified porous silica for chromatographic separation55
Strategies for efficient photothermal therapy at mild temperatures: Progresses and challenges55
Aggregation-induced emission or aggregation-caused quenching? Impact of covalent bridge between tetraphenylethene and naphthalimide55
Associative vs. dissociative mechanism: Electrocatalysis of nitric oxide to ammonia55
Methods for enhancing the capacity of electrode materials in low-temperature lithium-ion batteries55
Accordion-like titanium carbide (MXene) with high crystallinity as fast intercalative anode for high-rate lithium-ion capacitors54
Selection of a DNA aptamer for the development of fluorescent aptasensor for carbaryl detection54
Recent advances towards electrochemical transformations of α-keto acids54
Metal-organic framework derived NiCoP hollow polyhedrons electrocatalyst for pH-universal hydrogen evolution reaction54
Molecular engineering of CxNy: Topologies, electronic structures and multidisciplinary applications54
Chemistry of two-dimensional MXene nanosheets in theranostic nanomedicine53
Whole wheat flour coating with antioxidant property accelerates tissue remodeling for enhanced wound healing53
C–F bond functionalizations of trifluoromethyl groups via radical intermediates53
The application of clean production in organic synthesis53
Electrosynthesis of 1-indanones53
Built-in piezoelectric field improved photocatalytic performance of nanoflower-like Bi2WO6 using low-power white LEDs53
MOF-derived Co9S8 nano-flower cluster array modified separator towards superior lithium sulfur battery53
Two-photon dual-channel fluorogenic probe for in situ imaging the mitochondrial H2S/viscosity in the brain of drosophila Parkinson’s disease model53
A short review on recent progress of Bi/semiconductor photocatalysts: The role of Bi metal53
High active amorphous Co(OH)2 nanocages as peroxymonosulfate activator for boosting acetaminophen degradation and DFT calculation53
Research progress on hybrid organic–inorganic perovskites for photo-applications53
Adsorptive removal of PPCPs from aqueous solution using carbon-based composites: A review53
Revealing HOCl burst from endoplasmic reticulum in cisplatin-treated cells via a ratiometric fluorescent probe53
Research progress of graphene-based nanomaterials for the environmental remediation52
Energetic materials based on poly furazan and furoxan structures52
Bi/Bi2O3 nanoparticles supported on N-doped reduced graphene oxide for highly efficient CO2 electroreduction to formate52
In situ construction of oxygen-vacancy-rich Bi0@Bi2WO6-x microspheres with enhanced visible light photocatalytic for NO removal52
Efficient singlet oxygen generation by excitonic energy transfer on ultrathin g-C3N4 for selective photocatalytic oxidation of methyl-phenyl-sulfide with O252
Recent development in fluorescent probes based on attacking of double bond and masking of functional group52
Metal-organic framework derived Co3O4/PPy bifunctional electrocatalysts for efficient overall water splitting52
Photo-crosslinkable hydrogel and its biological applications52
NIR light-induced tumor phototherapy using ICG delivery system based on platelet-membrane-camouflaged hollow bismuth selenide nanoparticles52
Degradation of tartrazine by peroxymonosulfate through magnetic Fe2O3/Mn2O3 composites activation52
Highly green fluorescent Nb2C MXene quantum dots for Cu2+ ion sensing and cell imaging52
Ag@Au core/shell triangular nanoplates with dual enzyme-like properties for the colorimetric sensing of glucose51
Low-temperature selective catalytic reduction of NOx with NH3 over zeolite catalysts: A review51
Defect engineering for high-selection-performance of NO reduction to NH3 over CeO2 (111) surface: A DFT study51
Two-dimensional metal-organic framework nanosheet composites: Preparations and applications51
Fluorescent MOF-based nanozymes for discrimination of phenylenediamine isomers and ratiometric sensing of o-phenylenediamine51
Tumor microenvironment triggered local oxygen generation and photosensitizer release from manganese dioxide mineralized albumin-ICG nanocomplex to amplify photodynamic immunotherapy efficacy50
Unstable Ni leaching in MOF-derived PtNi-C catalyst with improved performance for alcohols fuel electro-oxidation50
Unveiling the secondary pollution in the catalytic elimination of chlorinated organics: The formation of dioxins50
Washing-free chemiluminescence immunoassay for rapid detection of cardiac troponin I in whole blood samples50
Ultrasmall green-emitting carbon nanodots with 80% photoluminescence quantum yield for lysosome imaging50
Nanocomposite hydrogels based on carbon dots and polymers50
Effective norfloxacin elimination via photo-Fenton process over the MIL-101(Fe)-NH2 immobilized on α-Al2O3 sheet50
A millimeter-sized negatively charged polymer embedded with molybdenum disulfide nanosheets for efficient removal of Pb(II) from aqueous solution50
Progress on multiphase layered transition metal oxide cathodes of sodium ion batteries50
Hydrogen peroxide-generating nanomedicine for enhanced chemodynamic therapy50
Porphyrin-based heterogeneous photocatalysts for solar energy conversion50
Carbon dots enhanced gelatin/chitosan bio-nanocomposite packaging film for perishable foods50
Design and synthesis of nitrogen-doped hexagonal NiCoO nanoplates derived from Ni-Co-MOF for high-performance electrochemical energy storage50
Carbon quantum dots-based semiconductor preparation methods, applications and mechanisms in environmental contamination50
Ultrasmall Ru nanoparticles supported on chitin nanofibers for hydrogen production from NaBH4 hydrolysis50
Basic deep eutectic solvents as reactant, template and solvents for ultra-fast preparation of transition metal oxide nanomaterials50
MnS hollow microspheres combined with carbon nanotubes for enhanced performance sodium-ion battery anode49
An unexpected generation of magnetically separable Se/Fe3O4 for catalytic degradation of polyene contaminants with molecular oxygen49
Enhanced degradation of organic contaminants by Fe(III)/peroxymonosulfate process with l-cysteine49
Protein nanoparticles containing Cu(II) and DOX for efficient chemodynamic therapy via self-generation of H2O249
A novel aptamer-based histochemistry assay for specific diagnosis of clinical breast cancer tissues49
Microwave-assisted hydrothermal synthesis of NiMoO4 nanorods for high-performance urea electrooxidation49
Simple fabrication of Cu2+ doped calcium alginate hydrogel filtration membrane with excellent anti-fouling and antibacterial properties49
Integrated lithium metal anode protected by composite solid electrolyte film enables stable quasi-solid-state lithium metal batteries49
TEMPO visible light photocatalysis: The selective aerobic oxidation of thiols to disulfides49
Fluorine-containing agrochemicals in the last decade and approaches for fluorine incorporation49
Efficient removal of tetracycline by H2O2 activated with iron-doped biochar: Performance, mechanism, and degradation pathways49
Visible light induced efficient activation of persulfate by a carbon quantum dots (CQDs) modified γ-Fe2O3 catalyst49
Advances and challenges of sulfur-driven autotrophic denitrification (SDAD) for nitrogen removal49
A review on recent advances in hydrogen peroxide electrochemical sensors for applications in cell detection49
Ultrahigh flux of graphene oxide membrane modified with orientated growth of MOFs for rejection of dyes and oil-water separation48
Cu/Cu2O nanostructures derived from copper oxalate as high performance electrocatalyst for glucose oxidation48
A robust carbon coating of Na3V2(PO4)3 cathode material for high performance sodium-ion batteries48
NIR-triggered drug delivery system based on phospholipid coated ordered mesoporous carbon for synergistic chemo-photothermal therapy of cancer cells48
Bimetal-organic frameworks derived Co/N-doped carbons for lithium-sulfur batteries48
Simultaneous photoelectrochemical detection of dual microRNAs by capturing CdS quantum dots and methylene blue based on target-initiated strand displaced amplification48
Challenges in cell membrane-camouflaged drug delivery systems: Development strategies and future prospects48
The synergistic catalysis on Co nanoparticles and CoNx sites of aniline-modified ZIF derived Co@NCs for oxidative esterification of HMF47
Aptamer-quantum dots and teicoplanin-gold nanoparticles constructed FRET sensor for sensitive detection of Staphylococcus aureus47
Design of a novel mitochondria targetable turn-on fluorescence probe for hydrogen peroxide and its two-photon bioimaging applications47
Extracellular vesicles based electrochemical biosensors for detection of cancer cells: A review47
Recent progress in carbon-dots-based nanozymes for chemosensing and biomedical applications47
A carbon-rich g-C3N4 with promoted charge separation for highly efficient photocatalytic degradation of amoxicillin47
Achieving simultaneous Cu particles anchoring in meso-porous TiO2 nanofabrication for enhancing photo-catalytic CO2 reduction through rapid charge separation47
Visible-light induced cascade radical cyclization of sulfinic acids and o-(allyloxy)arylaldehydes towards functionalized chroman-4-ones47
Complex coordinated functional groups: A great genes for nonlinear optical materials47
Bifunctional carbon-based cathode catalysts for zinc-air battery: A review47
Computational design of BC3N2 based single atom catalyst for dramatic activation of inert CO2 and CH4 gasses into CH3COOH with ultralow CH4 dissociation barrier46
Omniphobic membranes for distillation: Opportunities and challenges46
A β-cyclodextrin covalent organic framework used as a chiral stationary phase for chiral separation in gas chromatography46
Nanotechnology for diagnosis and therapy of rheumatoid arthritis: Evolution towards theranostic approaches46
Key progresses of MOE key laboratory of macromolecular synthesis and functionalization in 202046
Density functional theory investigation on selective adsorption of VOCs on borophene46
Asymmetric double-layer composite electrolyte with enhanced ionic conductivity and interface stability for all-solid-state lithium metal batteries46
Selective sensing and transport in bionic nanochannel based on macrocyclic host-guest chemistry46
A high-sensitivity H2S gas sensor based on optimized ZnO-ZnS nano-heterojunction sensing material45
A review of linear carbon chains45
Single atom catalyst for electrocatalysis45
Ruthenium nanoclusters anchored on cobalt phosphide hollow microspheres by green phosphating process for full water splitting in acidic electrolyte45
Phosphating-induced charge transfer on CoO/CoP interface for alkaline H2 evolution45
Stable confinement of Fe/Fe3C in Fe, N-codoped carbon nanotube towards robust zinc-air batteries45
Enhanced CO sensing properties of Pd modified ZnO porous nanosheets44
Design and syntheses of functionalized copper-based MOFs and its adsorption behavior for Pb(II)44
Macrophage-targeted nanomedicine for chronic diseases immunotherapy44
Electrospun carbon nanofibers for lithium metal anodes: Progress and perspectives44
The emerging applications of pillararene architectures in supramolecular catalysis44
Recent advances in carbon-based materials for electrochemical CO2 reduction reaction44
Pt immobilized spontaneously on porous MXene/MAX hybrid monolith for hydrogen evolution reaction44
Oxygen vacancies on the BiOCl surface promoted photocatalytic complete NO oxidation via superoxide radicals44
Sulfonylation from sodium dithionite or thiourea dioxide44
A supramolecular fluorescent probe based on cucurbit[10]uril for sensing the pesticide dodine44
Supramolecular nano drug delivery systems mediated via host-guest chemistry of cucurbit[n]uril (n = 6 and 7)44
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