Applied Sciences-Basel
·
2020
·Vol. 10
·期 6
·1985
·
IF 2.474
Jialu Zhang,Hao Xu,Jie Guo,Tianchi Chen,Hongtao Liu
To facilitate the recycling and reuse of cigarette filters and oil/water separation, a superhydrophobic cigarette filter was made by coating with dodecanethiol-modified polypyrrole (Ppy) particles by a dip-coating method. SEM, FTIR, and XPS were used to analyze the surface morphology and chemical compositions. The as-prepared superhydrophobic cigarette filter can realize wettability alteration via changing the ammonium persulfate (APS) concentration from 0.15 mol/L to 3 mol/L, and the contact angle increased from 0° on the original cigarette filter to 155° with a sliding angle of 5°. The superhydrophobic cigarette filter could effectively separate various oils and organic solvents. The separation efficiency was 98.8% and the separation stability was good. Furthermore, the as-prepared superhydrophobic cigarette filter had a large oil absorption range and could absorb different oils and organic solvents, including petroleum ether, engine oil, vegetable oil, n-hexane, and chloroform, with maximum absorption capacities ranging from 9.4 g/g to 22.7 g/g. According to the above results, we believe that the as-prepared superhydrophobic cigarette filter should have great potential in the recovery of solid waste and high-efficiency oil/water separation.Keywords:polypyrrole;superhydrophobicity;oil/water separation;cigarette filter
研究领域:
材料科学
·
环境科学
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DOI
高影响因子
RSC Advances
·
2016
·Vol. 6
·期 50
·44469-44474
·
IF 3.289
Junfei Ou,Beibei Wan,Fajun Wang,Mingshan Xue,Huiming Wu,Wen Li
Cigarette butts make up the largest contribution to solid waste worldwide. A promising way to control the environmental impacts of cigarette butts is to convert the filter wastes to desired products. Herein, by immersing cigarette filters sequentially into an aqueous solution of NaOH and an ethanolic solution of hexadecyltrimethoxysilane, the filters became converted into superhydrophobic/superoleophilic fibers, with measured water and kerosene contact angles of 156.9° ± 3.1° and approximately 0°, respectively. Due to this ability to exclude water and absorb kerosene, the so-obtained fibers were used to clean up a staged spill of kerosene on the surface of water. The cleanup efficiency of these fibers was measured to be as high as approximately 96%, and did not decrease after 10 cycles of use. The moisture content in the kerosene collected from the surface of the water was unexpectedly lower than the moisture content in the kerosene before it was poured onto the water surface.
研究领域:
材料科学
·
环境科学
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产品关联
DOI
高影响因子
Materials
·
2023
·Vol. 16
·期 2
·684
·
IF 3.4
Yunxin Yang,Cong Wang,Hua Zhang,Jiancai Qian,Song Yang,Huiyun Liao,Xuehui Sun,Yipeng Wang,Peijian Sun,Yunzhen Jia,Junwei Guo,Huaiyuan Zhu,Cong Nie
Removal of 1,3-butadiene from cigarette smoke plays an important role in human health and environmental protection. Herein, a series of UiO-66 X% containing different ratios of the -NH2group was synthesized via the solvothermal method by using terephthalic acid (H2BDC) and 2-aminoterephthalic acid (NH2-BDC) as ligands. Using GO as support, a series of UiO-66-NH2/GO Y% were prepared by controlling the ratio of UiO-66-NH2and GO. The effects of -NH2and GO contents on the structure and composition of MOFs were investigated. Finally, the different -NH2contents of UiO-66 X% and the different GO contents of UiO-66-NH2/GO Y% were applied in 1,3-butadiene removal from cigarette smoke. The results showed that UiO-66 X% with the higher contents of -NH2showed a higher rate of 1,3-butadiene removal, and UiO-66-NH2/GO Y% with the GO contents of 5% showed the highest removal rate of about 33.85%, which was 25.54% higher than that of activated carbon. In addition, the saturation capacity of the adsorbent materials for 1,3-butadiene was as high as 210.01–239.54 mg/g, showing great potential in reducing harmful components in cigarette smoke and environmental protection.Keywords:UiO-66;UiO-66-NH2/GO;1,3-butadiene removal;cigarette smoke
研究领域:
材料科学
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环境科学
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产品关联
DOI
PubMed
高影响因子
REVIEWS IN ANALYTICAL CHEMISTRY
·
2024
·Vol. 43
·期 1
·
IF 3.6
Xiaoxi Si,Yu Tian,Shufang Xu,Chunbo Liu,Zhenjie Li,Ji Yang,Ying Guan,Yangzhou Xie,Xiaoqing Shi,Zhigang Xu,Zhihua Liu
Alkaloid enantiomers have different physiological and pharmacological effects, and different chiral compositions have a large impact on cigarette sensory and use safety. Studying the effects of different configurations of alkaloid enantiomers on cigarette sensory is important for the development of tobacco products, but the chiral separation of alkaloid enantiomers has become the core problem. Here, the application of a C18 column coupled with a polysaccharide-based chiral column to separate and detect four pairs of alkaloid enantiomers in tobacco and cigarette smoke of different brands was investigated. Results showed that the tandem technology of the two columns enabled the baseline separation of four pairs of alkaloid enantiomers. The resolution of enantiomers of alkaloids in different tobacco samples differed in content and ratio, showing different chiral distribution characteristics. According to the different distribution characteristics of alkaloid enantiomers, tobacco samples of different brands can be distinguished and real cigarettes can be identified.
研究领域:
分析化学
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烟草科学
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药物化学
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产品关联
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2022
·
IF 5.518
Li Liu,Wenna Wu,Xiaoli Chen,Jingcheng Hao,Xingcen Liu,Shuli Dong,Shoutao Cao,Binbin Yao,Hongxiao Yu
Low-cost and simplified synthesis process of capsule cigarettes for wider application has received more and more attention. Water phase is suggested to be introduced into the oil content of cigarette capsules in consideration of the cost. The stimuli produced during the smoke can contribute to the phase transition with further flavor release. Here, a kind of multiple stimuli-responsive cigarette capsules based on emulsion gels was designed. The oil-in-water emulsion gels stabilized by glycyrrhizic acid (GA) and alanine (Ala) were prepared through simple one-pot emulsification at high temperature (80 °C) followed with a subsequent cooling. The non-covalent network between GA and Ala endowed emulsion gels with temperature and stress responsiveness, while the CO 2 responsiveness was realized by the electrostatic complex formed between the amino group of Ala and the carboxyl group of GA. The rheological behaviors of emulsion gels were evaluated, suggesting that emulsion gels with self-recovery property and temperature responsiveness can satisfy the demands of cigarette capsules application such as the long-distance transportation and flavor release during the smoke. It is found that the oil-soluble flavor loaded in the emulsion gels can be controllably released in response to stimuli that generated during the smoking process, therefore reducing the additional introduction of external stimuli. Our work provides a novel strategy for preparing cigarette capsules with simple synthesis, low cost and eco-friendly characteristics.
研究领域:
食品科学
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材料科学
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产品关联
DOI
高影响因子
KEY ENGINEERING MATERIALS
·
2020
·
IF 0
Yi Peng Wang,Song Yang,Yun Zhen Jia,Pei Jian Sun,Xue Hui Sun,Hong Bo Wang,Jun Wei Guo,Xiao Bing Zhang,Hui Min Liu,Cong Nie
In this study, carboxymethyl peanut shell (CPS) was prepared, and then peanut shell-based porous material (PPS) was obtained by the complexation reaction of CPS with Cu2+. The carboxymethyl content of CPS increased gradually with the increase of the amounts of monochloroacetic acid and sodium hydroxide, and the Cu2+ loading amount of PPS increased gradually with the increase of carboxymethyl content. The scanning electron microscope results showed that PPS-1, PPS-2, PPS-3 (PPS-1~3) had many nanoscale pores. The nitrogen adsorption-desorption results suggested that PPS-1~3 were all mesoporous materials with an average pore diameter of about 10 nm, while their Brunauer-Emmet-Teller surface area and pore volume of PPS-1 to PPS-3 increased gradually. Compared with the control cigarette, the release of HCN in cigarette mainstream smoke could be effectively reduced with the use of PPS-1~3, the reduction rate of HCN per total particulate matter were 54.9%, 63.1% and 67.0%, respectively.
研究领域:
材料科学
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环境科学
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烟草研究
✓ 已验证
DOI
NORDIC PULP & PAPER RESEARCH JOURNAL
·
2021
·Vol. 36
·期 3
·435-442
·
IF 1.04
Yuanyuan Bai,Hao Wang,Tsolmon Borjigin,Han Zheng,Yang Yang,Jiao Xie,Meng Wang,Jianbo Zhan,Ying Wan,Wen Liu
The ash condensation ability of the cigarette paper is an important factor affecting the cigarette grades. In this study, we put forward an effective method of improving this ability. Xanthan gum was successfully synthesized, applied as an ash integrator in the dip-coating process of cigarette paper production, and showed good performance. Cationic guar gum, cellulose phosphate and Hydroxyapatite (HAP) have been added in the pulp and showed better performance of the ash condensation property. The ash become much whiter and the scatter of the ash have been suppressed. Moreover, the further addition of HAP would result in a worse combustion efficiency, leading to the burning out of the cigarette in early time.
研究领域:
材料科学
·
烟草研究
✓ 已验证
DOI
高影响因子
KOREAN JOURNAL OF CHEMICAL ENGINEERING
·
2023
·Vol. 40
·期 7
·1650-1660
·
IF 2.7
Tran Thi Kieu Ngan,Le Van Thuan,Nguyen Tien Hoang,Doan Van Dat,Vasseghian Yasser,Le Hoang Sinh
The present study provides an eco-friendly and economical way to recycle discarded cigarette butts (CBs). The raw CBs were treated with NaOH (CB-B) and integrated with chitosan (Cs), and further applied as an adsorbent for the removal of synthetic dyes. Two common cationic dyes of methylene blue (MB) and crystal violet (CV) and one anionic dye of reactive blue 19 (RB 19) were selected as model adsorbates. The study results revealed that CB-B showed a high adsorption ability toward cationic dyes, while the CB-B/Cs composite exhibited a stronger affinity for the anionic RB 19. The adsorption of all selected dyes onto CB-B and CB-B/Cs was a spontaneous exothermic process, conforming to the pseudo-first-order kinetic and Langmuir isotherm models. The maximum adsorption capacities for MB, CV and RB 19 at pH of 7, an adsorbent dosage of 4, and a temperature of 25 °C were 89.85, 82.41, and 304.49 mg/g, respectively. The primary adsorption mechanism was physical adsorption with the participation of electrostatic attraction. The CB-based adsorbents displayed high reusability, maintaining more than 75% after four consecutive cycles of reuse. This study demonstrates the promising application potential of CB-based adsorbents for treating synthetic dyes in wastewater. The conversion of CBs into a useful high-value material has special significance for environmental engineering.
研究领域:
环境科学
·
化学工程
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产品关联
DOI
高影响因子
Polymers
·
2019
·Vol. 11
·期 6
·959
·
IF 3.164
Peijian Sun,Song Yang,Xuehui Sun,Yipeng Wang,Yunzhen Jia,Pingping Shang,Haiying Tian,Guozheng Li,Ruyang Li,Xiaobing Zhang,Cong Nie
Polystyrene-based polyHIPE (polymerized high internal phase emulsion) materials were prepared by the copolymerization of styrene and divinylbenzene in the continuous phase of a HIPE. The resultant polyHIPE materials were found to have an open-cellular morphology and high porosity, and the polyHIPE structure could be well adjusted by varying the water/oil (W/O) ratio and the amount of emulsifier in the HIPE. Cell culture results showed that the resultant polyHIPE materials, which exhibited larger voids and connected windows as well as high porosity, could promote cell proliferation on the 3D scaffold. A 3D cell cytotoxicity evaluation system was constructed with the polystyrene-based polyHIPE materials as scaffolds and the cigarette smoke cytotoxicity was evaluated. Results showed that the smoke cytotoxicity against A549 cells is much lower in the 3D cell platform compared to the traditional 2D system, showing the great potential of the polyHIPE scaffolds for 3D cell culture and the cytotoxic evaluation of cigarette smoke.Keywords:polyHIPE;3D cell culture;cytotoxicity evaluation;cigarette smoke;polystyrene
研究领域:
材料科学
·
生物医学工程
·
毒理学
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产品关联
DOI
PubMed
高影响因子
Nanoscale
·
2011
·Vol. 3
·期 8
·3251-3257
·
IF 4.109
Guangda Li,Hongxiao Yu,Liqiang Xu,Qiang Ma,Chao Chen,Qin Hao,Yitai Qian
Carbon
nanocages (CNCs) have been synthesized through a simple approach using different alcohols and ferrous oxalate as reactants at 550 °C for 12 h in a sealed autoclave. The lengths of the sides of the CNCs are about 200–350 nm and the wall thicknesses are about 10–15 nm. The formation mechanism of the CNCs is also discussed, based on the experimental results. These CNCs show excellent removal efficiency for phenolic compounds, ammonia, and total particulate matter from cigarette smoke. The adsorption capability of CNCs prepared from ethanol is much higher than that of other samples. For example, the efficiency of 5 mg CNCs (ethanol) for removing the six phenolic compounds p-dihydroxybenzene, m-dihydroxybenzene, o-dihydroxybenzene, phenol, m-cresol, and o-cresol can reach 57.31%, 62.25%, 65.58%, 75.95%, 54.34% and 59.43%, respectively, while that of the commercial activated carbon (5 mg) can only reach 29.02%, 33.93%, 35.00%, 36.00%, 20.33% and 36.19%, respectively, under the same conditions.
研究领域:
材料科学
·
环境科学
·
医学
✓ 已验证
DOI
PubMed
高影响因子
Journal of Environmental Chemical Engineering
·
2022
·
IF 7.968
Zeming Wang,Li Liu,Yeqing Lan,Wei Li
Discarded cigarette butts, a kind of abandoned waste, have posed a threat to environments. Nevertheless, they are also an available carbon source serving as adsorbents. On the other hand, antibiotic overuse has brought potential risks to natural organisms. In this study, a novel adsorbent via anchoring zero valent tin (Sn 0 ) onto carbon derived from cigarette butts (Sn-CCB) was obtained to enhance the removal of antibiotic phenacetin (PNT) from aqueous solution. A series of characterizations were conducted to investigate the physical and chemical properties of Sn-CCB. Sn was proved to exist in the species of Sn 0 , which was uniformly distributed on the surface of the CCB material. Compared with CCB material, Sn-CCB possessed more excellent performance in three aspects below: (1) 70% growth of BET surface area (458 m 2 g −1 vs . 273 m 2 g −1 ); (2) 2.2 times of the maximum adsorption capacity (156.4 mg g −1 vs . 71.3 mg g −1 ); and (3) better hydrophilicity. The fitting results of pseudo-second-order kinetic model and FTIR spectra confirmed that the removal of PNT by Sn-CCB was chemisorption . Langmuir equation was more suitable to describe the adsorption of PNT with r 2 = 0.9989, indicating the mono-layer sorption . The feasibility of practical application was also assessed. The adsorbent exhibited excellent stability and reusability, and the maximum adsorption capacity still maintained 150.2 mg g −1 even after the fifth cycle. Coexisting ions (Cl - , HCO 3 - , and NO 3 - ), humic acid , and realistic water matrix all exerted humble effect on the adsorption of PNT. Furthermore, our results confirmed that Sn-CCB as an adsorbent for the removal of PNT in a column reactor was feasible.Therefore, this study provides us with an innovative strategy to prepare potential adsorbents using cigarette butts as a recycled material for the removal of antibiotics from aqueous solution.
研究领域:
环境科学
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
FOOD RESEARCH INTERNATIONAL
·
2022
·
IF 7.425
Lingyue Zhong,Lina Qin,Xinwen Ding,Long Ma,Yao Wang,Minghua Liu,Hui Chen,Hongli Yan,Lihua Song
Smoking is a global public health event that can cause oxidative stress and gut microbiota dysbiosis and is related to the occurrence of diseases such as cancer and respiratory system disease. We previously found that fermented black barley was rich in antioxidative components such as polyphenols and flavonoids and regulated gut microbiota dysbiosis. In the present study, the protective effects of fermented black barley on cigarette smoke-induced damage, such as lung, reproduction organ injury, gut microbiota and metabolic dysbiosis, were investigated. Fermented black barley (100 μL/10 g·BW per day, containing 1 × 10 8 CFU/mL Lactobacillus ) was administered orally to male ICR mice that were regularly exposed to cigarette smoke (one time a day, 15 cigarettes each time, 30 min/time). The intervention lasted continuously for 12 weeks. The results showed that compared to the group exposed only to cigarette smoke, fermented black barley treatment alleviated the pathological damage to lung and testis tissues and significantly increased the total sperm motility and antioxidative capacity of the lung. Fermented black barley also regulated the intestinal microbiome diversity; reduced the relative abundances of Lactobacillus , Turicibacter and Bifidobacterium ; and increased the relative abundances of Oscillospira and Ruminococcus at the genus level. Furthermore, the metabolic profile was investigated via analysis of the abundances of fecal and hepatic metabolites, and it was shown that fermented black barley treatment alleviated the metabolic dysbiosis of lipids, amino acids, and the biosynthesis of steroid hormones (such as dehydroepiandrosterone sulfate, etc.) induced by cigarette smoking, which approached normal conditions. These regulatory effects may partially elucidate the beneficial role of fermented black barley in alleviating the harmful effects of cigarette smoking. In summary, supplementation with fermented cereal food may be a helpful way to ameliorate cigarette smoking-induced damage.
研究领域:
营养学
·
微生物学
·
代谢组学
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产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）