Journal of Environmental Sciences
·
2014
·
IF 1.922
Hewei Ni,Wenjun Zhou,Lizhong Zhu
The use of surfactants to enhance plant-microbe associated dissipation in soils contaminated with polycyclic aromatic hydrocarbons (PAHs) is a promising bioremediation technology. This comparative study was conducted on the effects of plant-microbe treatment on the removal of phenanthrene and pyrene from contaminated soil, in the presence of low concentration single anionic, nonionic and anionic-nonionic mixed surfactants. Sodium dodecyl benzene sulfonate (SDBS) and Tween 80 were chosen as representative anionic and nonionic surfactants, respectively. We found that mixed surfactants with concentrations less than 150 mg/kg were more effective in promoting plant-microbe associated bioremediation than the same amount of single surfactants. Only about ( m/m ) of mixed surfactants was needed to remove the same amount of phenanthrene and pyrene from either the planted or unplanted soils, when compared to Tween 80. Mixed surfactants (< 150 mg/kg) better enhanced the degradation efficiency of phenanthrene and pyrene via microbe or plant-microbe routes in the soils. In the concentration range of 60–150 mg/kg, both ryegrass roots and shoots could accumulate 2–3 times the phenanthrene and pyrene with mixed surfactants than with Tween 80. These results may be explained by the lower sorption loss and reduced interfacial tension of mixed surfactants relative to Tween 80, which enhanced the bioavailability of PAHs in soil and the microbial degradation efficiency. The higher remediation efficiency of low dosage SDBS-Tween 80 mixed surfactants thus advanced the technology of surfactant-enhanced plant-microbe associated bioremediation.
研究领域:
环境科学
·
土壤修复
·
生物技术
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DOI
高影响因子
MATERIALS LETTERS
·
2025
·
IF 2.7
Shimin Dang,Haichao Li,Baojin Yang,Ze Liu
The synthesis protocol utilized sodium dodecylbenzene sulfonate (80 × CMC) as carbon precursor combined with 100 g NaCl to construct a concentrated SDBS/NaCl templating system. Controlled carbonization at 800 °C for 2 h produced 3D carbon nanonets, which were systematically characterized through scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared spectroscopy (FT-IR), Raman spectroscopy, and X-ray diffraction (XRD). Structural analyses revealed an amorphous carbon matrix with hierarchical porosity and partial graphitic ordering, while infrared spectroscopy identified characteristic surface functional groups through distinct vibrational modes: C C (1475 cm −1 ), C O (1725 cm −1 ), and C O (1033.5 cm −1 ) bonds. The 3D carbon nanonets demonstrated methylene blue adsorption capacities reaching 158 mg/g under 500 mg/L concentration conditions. Notably, the NaCl template exhibited recyclability through aqueous dissolution–recrystallization cycles, enabling repeatable batch synthesis of three-dimensional carbon networks in high-salinity environments. This template recovery mechanism provides critical technical parameters for scaling production processes while maintaining structural consistency across fabrication batches, establishing fundamental guidelines for industrial implementation of salt-templated carbon nanomaterial manufacturing. The SDBS/NaCl surfactant-assisted salt templating system was innovatively employed to engineer carbon nanonets, establishing a novel methodology for nanostructured material synthesis.
研究领域:
材料科学
·
纳米技术
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环境科学
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化学工程
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物理化学
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DOI
高影响因子
Biosensors-Basel
·
2024
·Vol. 14
·期 10
·505
·
IF 4.9
Zhenzhen Li,Lei Wang,Mengjie Tang,Yulong Sun,Li Zhang,Zhongxiu Chen
Triton X-100 (TX-100) is a commonly used surfactant in the manufacture of biosensors. The factors limiting the use of TX-100 in biosensors are environmental concerns. In this study, the binary system of sodium dodecyl benzene sulfonate (SDBS) and fatty alcohol-polyoxyethlene ether (AEO) was investigated from the physicochemical principle of surfactant interaction and its application in biosensors. The results demonstrated that a mixture of SDBS and AEO at an appropriate molar ratio had a comparable activity to TX-100 in terms of surface activity, micelle formation, dynamic adsorption, foaming, emulsifying, and cell permeability. Theory and experimentation support the idea that SDBS-AEO might take the place of TX-100 in the manufacturing of biosensors. This study contributes to the development of alternatives to TX-100 and provides a new perspective for an in-depth study of the interaction mechanism of additives in biosensor design.
研究领域:
材料科学
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化学工程
·
生物技术
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环境科学
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产品关联
DOI
PubMed
高影响因子
CORROSION SCIENCE
·
2021
·
IF 7.205
Jinlong Chen,Jianxin He,Lingjie Li
To gain insights into the effect of sodium dodecylbenzene sulfonate (SDBS) on Mg corrosion in NaCl medium, in-situ Raman spectroscopy was employed to monitor the interface evolutions of Mg surface in NaCl and NaCl+SDBS solutions. Accompanied by ex-situ Raman, SEM and XPS results, the evolution models during Mg corrosion in corrosive media were established to reveal the influence of DBS − . Competitive adsorption models about the interface of Mg/NaCl+SDBS between DBS − and Cl − were also presented to explain the inhibition effect of SDBS. These models guide the optimal usage of SDBS in Mg alloy corrosion inhibition.
研究领域:
材料科学
·
腐蚀科学
·
表面化学
·
分析化学
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产品关联
DOI
高影响因子
Soft Matter
·
2021
·Vol. 17
·期 35
·8086-8094
·
IF 3.679
Xiaonan Li,Xirong Huang
A Good's buffer ionic liquid (GB-IL) composed of quaternary ammonium cations and Good's buffer anions is first introduced into a microemulsion system as a self-buffering and biocompatible electrolyte. The effects of the constituting ions of a GB-IL and their concentrations on the phase behavior of the anionic surfactant SDBS stabilized n-octane–H2O microemulsion system were studied for the first time using the ε–β fish-like phase diagram method. The result indicates that the phase behavior of the above microemulsion system is greatly affected by GB-IL cations with a longer alkyl chain on the cation being more favorable for phase inversion. Compared with NaCl, a GB-IL of the same concentration is more efficient for achieving phase inversion, due to the dual role of an electrolyte and a co-alcohol. In addition to the phase behavior, the stability of horseradish peroxidase (HRP) solubilized in an SDBS stabilized bicontinuous microemulsion is also affected by a GB-IL. It is found that the variation of the cationic alkyl chain has a negligible effect on the microemulsion microstructure, but has a significant influence on the stability of the solubilized HRP. At a fixed concentration of the GB-IL, the quaternary ammonium cation with a longer alkyl chain is better for the stabilization of the HRP activity. For a given GB-IL, a higher level of the GB-IL results in a better HRP stability. More importantly, the GB-IL-buffered microemulsion, at the same level of the buffering salt, is more advantageous than the phosphate-buffered one for the stabilization of the HRP activity. This advantage is more pronounced for higher concentrations of the GB-IL. This difference in the HRP stability, caused by the buffering salts, should be ascribed to the microemulsion microstructure effect as well as the Hofmeister effect. The present study provides a guideline for the construction of a bicontinuous microemulsion with a simplified composition and stabilizing effect on the solubilized enzyme.
研究领域:
胶体科学
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化学工程
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生物技术
·
酶工程
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产品关联
DOI
PubMed
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2019
·Vol. 136
·期 41
·48045
·
IF 2.188
Wei Lu,Qingwei Meng,Chuanrui Qin,Jinliang Li,Guansheng Qi,Biao Kong,Zhenglong He
A binary emulsion system via combination of sodium dodecylbenzenesulfonate (SDBS) and polyvinyl pyrrolidone (PVP) was employed to prepare microcapsules containing isophorone diisocyanate. The effect of different concentrations of SDBS and PVP on the size and distribution of capsules was investigated. The results showed that uniform and size-controllable capsules were synthesized by synergistic function of SDBS and PVP. Characteristics of capsule were studied by optical microscopy, Fourier transform infrared spectrometry, scanning electron microscopy, thermal gravimetric analysis, and 1 H NMR. The results revealed that the core content and yield of the spherical capsules were approximately 65.7 and 79 wt %, respectively, at the capsule diameter of ~115 μm. The residue core content of microcapsules was approximately 44.7 wt % after immersion in water for 10 days. And its self-healing epoxy coatings showed excellent corrosion resistance performance after accelerated corrosion tests. These results exhibited the feasibility and great application prospect of the multiemulsifiers system in the microcapsule synthesis process. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019 , 136 , 48045.
研究领域:
材料科学
·
化学工程
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DOI
高影响因子
Journal of Cleaner Production
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2021
·
IF 9.297
Xiaojiang Li,Li Wang,Hongsheng Lu,Na Wang,Baogang Wang,Zhiyu Huang
Surfactant extraction is the common method for treating oil sands. However, the recovery of traditional surfactant is difficult, and the oil emulsification phenomenon and generation of tailings are also caused easily. To develop the cleaner and sustainable approach for treating oil sands, a switchable water N, N, N′, N′ -tetramethylhexanediamine (TMHDA) was used to improve extraction by surfactant sodium dodecyl benzene sulfonate (SDBS) solution with low concentration. Here, the TMHDA-containing SDBS solution has CO 2 switchability because of the electrostatic interaction between SDBS solution and TMHDA with CO 2 response, and can be also emulsify reversibly n-heptane, diesel oil, even crude oil, providing the possibility for separating oil from oil sands. The effective extraction of oil sands is performed by 1 mM (less than critical micelle concentration (CMC)) SDBS solution combined with TMHDA, which was also demonstrated by thermogravimetric analyzer, scanning electron microscope and elemental analysis. The residual oil content of oil sands is reduced to 0.515 wt% and 90.8% oil is removed by adding 0.15 g/mL TMHDA. Interestingly, oil is separated and fine sands is separated by introducing CO 2 , and the TMHDA-containing SDBS is recycled upon N 2 /65 °C.According to the detection of interfacial tension and Fourier Transform Infrared Spectroscopy (FTIR), it is demonstrated that the improved oil removal is ascribed to the adsorption of SDBS on solid surface and the reduced oil-water interface tension by the addition of TMHDA. Based on the evaluation of economic and environmental value, this sustainable approach exhibits potential application for treating oil sands in practical industry.
研究领域:
环境科学
·
化学工程
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DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2023
·
IF 9.9
Yonggan Ju,Jingxian Hua,Yawei Gu,Hongling Chen
Foams can be seen everywhere in human production and life. An uncontrolled foam event usually leads to product losses, equipment damage, and clean-up costs. Defoamer is one of the most effective strategies to eliminate or inhibit foam activities, which has been proved by long-term practices. In this work, we report new molecular defoamers with high-branched structure, which adopts melamine molecule as the parent structure, by incorporating alkyl-isocyanates with different chain lengths into the high-branched melamine derivatives (Hb-MDs) formula to replace the R − NH 2 (primary ammonia) on melamine structure. The substitution reaction processes can be readily tuned by varying the molar ratio or alkyl chain length of alkyl-isocyanate, enabling a facile control over the branched degree. The foam tests reveal that the high-branched melamine molecule defoamers exhibited excellent defoaming and anti-foaming properties for four typical foam systems, including an anionic SDBS , cationic DTAB , non-ionic AEO-9, and white cat (BM) detergent, with efficiency close to that of silicone-type LN1414 defoamer and far superior to that of high-carbon alcohol XS-02 defoamer, at the same addition level. Notably, the defoaming or anti-foaming performances of the high-branched melamine molecule defoamers were not always monotonically increased with the branched degree or hydrophobic chain length, but a suitable range needed to be maintained to support a good balance of defoamer structure with foam liquid films . Therefore, it is anticipated that this high-branched design principle could open a new avenue for the construction of molecular defoamers for complex industrial problems.
研究领域:
化学工程
·
材料科学
·
表面化学
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产品关联
DOI
PubMed
高影响因子
RUSSIAN JOURNAL OF GENERAL CHEMISTRY
·
2026
·Vol. 95
·期 12
·3783-3791
·
IF 0.8
Chu Zifeng,Huang Jinyan,Meng Bo,Li Haichao
Carbon nanoparticles resembling gravel were successfully prepared by self-aggregation of sodium dodecylbenzene sulfonate (SDBS) based on the concentrated salt NaBr system, which could be named as nano-carbon gravel (NCG). Thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), Scanning electron microscopy (SEM), Raman spectroscopy (Raman), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS) and photoluminescence (PL) were used to perform a series of characterizations of NCG. The results showed that the prepared NCG had the intrinsic properties of carbon materials, which were mainly characterized by amorphous carbon with some graphite features. It is worth noting that the NCG widely contained a large number of particles with sizes less than 100 nm and a high degree of particle dispersion. More interestingly, it was initially found that the NCG had blue and cyan-green luminescent behaviors under different wavelength excitations in the range of 360–420 nm, suggesting that it might have some potential applications in the optical field. This method was operable, environmentally friendly and low-cost, and NaBr only played an important role in separation and protection in the construction stage of carbon nanomaterial morphology in the experimental process, and could be effectively recycled after being dissolved by water washing.
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DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2021
·
IF 5.316
Xin Huang,Le-Tian Wang,Yan-Fang Song,Fang Ge,Yi Zhang,Xin-Jing Meng,Hong-Hua Ge,Yu-Zeng Zhao
The use of nanofluids as vehicle coolant can significantly improve the heat exchange efficiency, but it is necessary to understand its corrosiveness to metals before use. Corrosion behavior of aluminum alloy in simulated vehicle coolant (SVC), nano Al 2 O 3 coolant (SVC-Al 2 O 3 ), simulated coolant containing sodium dodecyl benzene sulfonate (SVC-SDBS) and nano Al 2 O 3 coolant containing SDBS (SVC-Al 2 O 3 -SDBS) was investigated by electrochemical impedance spectroscopy , polarization curve, weight loss analysis and surface analysis in this paper. The results showed that in the three media of SVC, SVC-SDBS and SVC-Al 2 O 3 -SDBS, the impedance modulus at the frequency of 10 mHz |Z| 0.01 , the charge transfer resistance R ct and the film resistance R f of aluminum alloy electrode increased with the immersion time. Compared with the three media, the aluminum alloy in SVC-Al 2 O 3 medium had the lowest |Z| 0.01 , R ct and R f , and had the highest corrosion current density, implying that Al 2 O 3 nanoparticles promoted the corrosion of aluminum alloy in SVC, and the corrosion products formed on the alloy surface were Al 2 O 3 , Al(OH) 3 , AlOOH, which were loose and not protective. The R f values of aluminum alloy electrode increased significantly with time in the media containing SDBS. The aluminum alloy exhibited the best corrosion resistance in the medium of SVC-SDBS and no obvious loose corrosion products but compact passivation film could be seen on the alloy surface. SDBS exhibited a good corrosion inhibition effect on aluminum alloy, which may be due to the adsorption of SDBS on the metal surface and the fact that SDBS promoted the formation of the passive film by preventing the transformation of alumina film to loose AlOOH layer. In the medium containing both SDBS and Al 2 O 3 nanoparticles, the corrosion inhibition effect of SDBS was weakened. This maybe due to the electrostatic attraction of positively charged Al 2 O 3 nanoparticles and negatively charged SDBS, which reduced the adsorption of SDBS on the metal surface, thereby weakening the protective effect of SDBS on the metal surface.
研究领域:
材料科学
·
电化学
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DOI
高影响因子
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES
·
2025
·
IF 1.8
Baojin Yang,Shimin Dang,Haichao Li
In this study, carbon nanorods (CNRs) were synthesized via a surfactant@salt self-assembly strategy, overcoming the limitations of conventional carbon nanomaterials in morphology control. Sodium dodecylbenzenesulfonate (SDBS) served as the carbon precursor, while sodium chloride (NaCl) acted as a structural spacer to guide nanorod formation. The synthesized SDBS@NaCl CNRs were systematically characterized by SEM, XPS, FT-IR, XRD, and Raman spectroscopy. The results demonstrate that amorphous carbon nanorods with a partially graphitized ordered structure have been successfully synthesized. The CNRs feature dominant oxygen-containing functional groups (C–O, C = O), uniform diameters (∼60 nm), and tunable lengths (1200 ± 400 nm), achieving an exceptional L/D ratio of up to 30. This work not only validates the efficacy of the salt-mediated self-assembly approach but also underscores its potential for designing advanced carbon nanostructures with tailored dimensions and surface properties, paving the way for multifunctional applications in energy storage and catalysis.
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产品关联
DOI
高影响因子
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
·
2020
·Vol. 20
·期 7
·4015-4022
·
IF 1.134
Wang Baomin,Deng Shuang,Zhao Lu
Graphene nanoplates (GNPs) are carbon nanomaterials with two-dimensional structure which is easy to reunite and their dispersion is necessary before using. The existing methods for dispersion characterization mainly include UV spectrophotometry, scanning electron microscope (SEM), transmission
electron microscopy (TEM) and Atomic Force Microscopy (AFM). In this research study, sodium dodecyl benzene sulfonate (SDBS), polyoxyethylene (40) nonylphenyl ether, branched (CO890), polyvinyl pyrrolidone (PVP) and cetyltrimethyl ammonium bromide (CTAB) were used as dispersants, and ultrasonic
treatment was employed as dispersion method. Ultraviolet spectrum for GNPs showed that some errors were attained, resulting from dispersant at 274 nm characteristic wavelength of GNPs dispersions with deionized water as controlled sample. The errors could be eliminated if dispersant solution
was used as controlled sample. The microstructures of dispersed GNPs observed by SEM, TEM and AFM suggested that the GNPs were dispersed uniformly with 2.5 g/L SDBS, which showed the best dispersion effect. Raman spectrum indicated that more chaotic distribution and edge structures were achieved
after dispersion.
研究领域:
材料科学
·
纳米技术
✓ 已验证
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）