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International Journal of Nanoparticles最新文献

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Nanocrystalline cellulose from agricultural waste: an overview 农业废弃物中的纳米结晶纤维素：综述
International Journal of Nanoparticles Pub Date : 2018-11-30 DOI: 10.1504/IJNP.2018.10017716
Shareefraza J. Ukkund, S. N. Taqui, D. S. Mayya, P. Prasad
{"title":"Nanocrystalline cellulose from agricultural waste: an overview","authors":"Shareefraza J. Ukkund, S. N. Taqui, D. S. Mayya, P. Prasad","doi":"10.1504/IJNP.2018.10017716","DOIUrl":"https://doi.org/10.1504/IJNP.2018.10017716","url":null,"abstract":"Cellulose is a very widely available biomass found in nature. Cellulose can be isolated from regular filaments; its dynamic and structural association enables various types of nanostructured celluloses called nanocrystalline cellulose or microstructure cellulose. More recently, literature survey reveals that cellulose nanoparticles have been separated and utilised for a few applications in various fields. Thus, there is a growing interest among the scientific research community to understand nanocrystalline cellulose and tap it for its usage in diverse scientific fields. The vast majority of the examinations in the course of the most recent couple of years have demonstrated that nanocrystalline cellulose can be utilised as filler materials to improve the mechanical and barrier properties of biocomposites. Their importance of nanocrystalline to enhance the mechanical properties is being investigated; with extensive research being focussed to discover inventive answers for effective and manageable frame works. This paper plans to give an unmistakable outline of nanocrystalline cellulose of 44 references by depicting their readiness, portrayal, behaviour, importance and applications.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"284"},"PeriodicalIF":0.0,"publicationDate":"2018-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46903125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Green synthesis and toxicity assessment of nano zerovalent iron against chromium contaminated surface water 纳米零价铁对铬污染地表水的绿色合成及毒性评价
International Journal of Nanoparticles Pub Date : 2018-11-30 DOI: 10.1504/IJNP.2018.10017719
M. Ahamed, V. Ragul, S. Anand, K. Kaviyarasu, V. Chandru, B. Prabhavathi
{"title":"Green synthesis and toxicity assessment of nano zerovalent iron against chromium contaminated surface water","authors":"M. Ahamed, V. Ragul, S. Anand, K. Kaviyarasu, V. Chandru, B. Prabhavathi","doi":"10.1504/IJNP.2018.10017719","DOIUrl":"https://doi.org/10.1504/IJNP.2018.10017719","url":null,"abstract":"Parthenium hysterophorus an annual herbaceous weed is known for its vigorous growth and as a causative agent for contact dermatitis, hay fever and diarrhea in humans and systemic toxicity in livestock. However, in spite of all the problems associated with this weed, some beneficial activities also reported. The objective of this study is to evaluate the potential of Parthenium hysterophorus leaf extracts for the synthesis of nanoscale zerovalent iron (nZVI) and their chromium remediation property. Due its high toxicity and mobility, hexavalent chromium is considered to be a high priority pollutant. In addition this work was executed to carry out toxicity appraisal in a water sample collected from Puliyanthangal Lake, Tamilnadu, India using nZVI. The water samples were examined before and after the nZVI application by means of microbial cultivation tests, phospholipid fatty acid analysis (PLFA) and toxicological tests. The present experimental results revealed that Cr (VI) is considerably adsorbed on nZVI nanoparticles and it could be a cost effective method for the in situ remediation of Cr (VI). In addition, standard plate count assay showed the dose dependent decrease in the bacterial cell viability in lake water sample after the addition of nZVI.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"312"},"PeriodicalIF":0.0,"publicationDate":"2018-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45970534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Study and design on cyber interaction processes for cerebral palsy employees 脑瘫员工网络交互流程的研究与设计
International Journal of Nanoparticles Pub Date : 2018-11-30 DOI: 10.1504/IJNP.2018.10017084
Zinkar Das, Ashraful Islam, Dipesu Banerjee, Moumita Ghosh, B. Neogi
{"title":"Study and design on cyber interaction processes for cerebral palsy employees","authors":"Zinkar Das, Ashraful Islam, Dipesu Banerjee, Moumita Ghosh, B. Neogi","doi":"10.1504/IJNP.2018.10017084","DOIUrl":"https://doi.org/10.1504/IJNP.2018.10017084","url":null,"abstract":"This paper represents the chronological developmental processes of prototype creation for computer interactional ergonomic arrangement for cerebral palsy (CP) patients. Starting from the first stage to future scope of study with the aim of better product generation on this topic is carried out. Wheelchair with cyber interaction by a different part of the body (lower limb, upper limb, and tongue) are focused with a complete schematic approach. Cost effective design mechanism is presented for CP office employees with the aspects of socio-economics prospective. Comparative table contributes significant preview of this development. Research implies a comprehensive knowledge on practical prototype generation on computer interaction device for CP persons. Training, evaluation processes with short data-oriented specification details of the present system enhance its originality. Testing phase representation for a different angle is clarified with this paper on the view of future enhancement of this work.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"259"},"PeriodicalIF":0.0,"publicationDate":"2018-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49118182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A back illuminated solar cell using PbS quantum dots as sensitisers 用PbS量子点作为敏化器的背照太阳能电池
International Journal of Nanoparticles Pub Date : 2018-08-15 DOI: 10.1504/IJNP.2018.094047
A. Ganguly, S. Nath, G. Gope, Madhuchhanda Choudhury
{"title":"A back illuminated solar cell using PbS quantum dots as sensitisers","authors":"A. Ganguly, S. Nath, G. Gope, Madhuchhanda Choudhury","doi":"10.1504/IJNP.2018.094047","DOIUrl":"https://doi.org/10.1504/IJNP.2018.094047","url":null,"abstract":"Quantum dot sensitised solar cells (QDSSC) is generally fabricated using transparent conducting (TCO) glass plates and platinum or gold as electrodes. The article reports a modified back side illuminated QDSSC structure utilising aluminium foil as electrodes. PbS quantum dots have been synthesised using simple chemical method and are utilised as sensitisers in a ZnO-based solar cell structure. Two types of QDSSCs are fabricated using the same quantum dots, i.e., one using ITO glass plate and the other using aluminium. The solar cell parameters are obtained for both the structures and their comparative analysis is reported in the paper.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"217"},"PeriodicalIF":0.0,"publicationDate":"2018-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJNP.2018.094047","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43489400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and characterisation of TiO 2 nanostructures for photocatalytic applications 光催化用二氧化钛纳米结构的合成与表征
International Journal of Nanoparticles Pub Date : 2018-08-15 DOI: 10.1504/IJNP.2018.094048
Kamel Atamnia, H. Satha, M. Bououdina
{"title":"Synthesis and characterisation of TiO 2 nanostructures for photocatalytic applications","authors":"Kamel Atamnia, H. Satha, M. Bououdina","doi":"10.1504/IJNP.2018.094048","DOIUrl":"https://doi.org/10.1504/IJNP.2018.094048","url":null,"abstract":"Titanium dioxide (TiO2) nanoparticles and thin films were successfully prepared by sol-gel method using Titanium tetraisopropoxide (Ti(OCH(CH3)2)4) as precursor and tetramethylammonium hydroxide (TMAOH) as structuring agent, while varying TIPT:TMAOH ratio (2:1 and 2:2). X-ray diffraction analysis confirms the formation of nanocrystalline anatase phase after crystallisation starting from 300°C, and that the crystallite size increases with temperature due to grain growth. Both Raman spectroscopy and X-ray diffraction analyses confirm the formation of anatase phase. The optimised results were achieved by using the molar ratio C = Ti/TMAOH = 2/2, namely a perfectly crystallised and monodispersed material from the temperature 400°C and allows the obtaining thin films transparent to visible light and ultraviolet irradiation. A photocatalytic activity of TiO2 films was implemented by photodegradation of methylene blue under ultraviolet irradiation. The thin films calcined at the temperature of 400°C display the highest photocatalytic activity.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"225"},"PeriodicalIF":0.0,"publicationDate":"2018-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJNP.2018.094048","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44994149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
High performance PLL for multiband GSM applications 用于多波段GSM应用的高性能锁相环
International Journal of Nanoparticles Pub Date : 2018-08-15 DOI: 10.1504/IJNP.2018.094049
U. Nanda, D. P. Acharya, D. Nayak, P. Rout
{"title":"High performance PLL for multiband GSM applications","authors":"U. Nanda, D. P. Acharya, D. Nayak, P. Rout","doi":"10.1504/IJNP.2018.094049","DOIUrl":"https://doi.org/10.1504/IJNP.2018.094049","url":null,"abstract":"Dead zone very often poses to be a limitation in the high performance phase locked loops (PLLs). The design of a dead zone free PLL with fast locking and low phase noise capability is proposed. This is achieved by using a voltage variable delay element (VVDE) in the feedback path or reset path of the phase frequency detector (PFD). A feedback from one of the inputs of charge pump circuit is used to retain the overall PFD delay slightly positive to escape dead zone at lesser phase noise. The PLL performance with this proposed PFD is analysed in the cadence design environment. It attains phase noise of –110.5 dBc/Hz at 1 MHz offset frequency which is superior as compared to the other two reported techniques. Achieving this superior phase noise performance the PLL consumes lesser power of 2.56 mW at the cost of 5% extra physical area. This performance is also compared with that of PLL where no delay and fixed delay element is used to reduce the dead zone.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"244"},"PeriodicalIF":0.0,"publicationDate":"2018-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJNP.2018.094049","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46763278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A review on exploring phytosynthesis of silver and gold nanoparticles using genus Brassica 利用芸苔属植物合成纳米银和纳米金的研究进展
International Journal of Nanoparticles Pub Date : 2018-08-15 DOI: 10.1504/IJNP.2018.10015065
M. Yadav, Pawan Kaur
{"title":"A review on exploring phytosynthesis of silver and gold nanoparticles using genus Brassica","authors":"M. Yadav, Pawan Kaur","doi":"10.1504/IJNP.2018.10015065","DOIUrl":"https://doi.org/10.1504/IJNP.2018.10015065","url":null,"abstract":"Nanobiotechnology is an emerging field of applied biological science and nanotechnology. For application of nanotechnology in medical, agriculture, and environmental fields, it is important to find more reliable and ecofriendly methods for synthesis of nanoparticles. Synthesis of nanoparticles (NPs) is done by various physical and chemical methods but the biological methods are relatively simple, cost-effective, non-toxic, and environmental friendly methods. Extract of Brassica genus vegetables and plants have been used as reducing agent for the environmental friendly synthesis of silver and gold nanoparticles, so the present review focuses on the synthesis of nanoparticles with special emphasis on the silver and gold nanoparticles by using plants of genus Brassica and their applications in various fields.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"165"},"PeriodicalIF":0.0,"publicationDate":"2018-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45916850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Experimental study and sustainable surface-active effect of ECA hybrid particulate on tin-zinc infringement coating developed via DAECD technique on AISI 1015 steel ECA杂化颗粒对aisi1015钢DAECD镀锡锌侵害涂层持续表面活性的实验研究
International Journal of Nanoparticles Pub Date : 2018-08-15 DOI: 10.1504/IJNP.2018.094041
O. Fayomi, A. Popoola, F. M. Kgoete, O. Joseph, A. Ayoola
{"title":"Experimental study and sustainable surface-active effect of ECA hybrid particulate on tin-zinc infringement coating developed via DAECD technique on AISI 1015 steel","authors":"O. Fayomi, A. Popoola, F. M. Kgoete, O. Joseph, A. Ayoola","doi":"10.1504/IJNP.2018.094041","DOIUrl":"https://doi.org/10.1504/IJNP.2018.094041","url":null,"abstract":"The effect of sustainable degradable eco-friendly extract juice on the precipitation and re-enforcement of Zn-SnO2 alloy matrix with the aim of producing an eco-friendly composite material for engineering structural applications was investigated. Composite samples were produced from these mixtures and the effect of coconut juice (5-15% concentration) on the microstructure evolution, the mechanical properties of the composites and electrochemical behaviour were investigated. Scanning electron microscope (SEM-EDS) and atomic force microscope (AFM) were used to study the surface morphology and the surface adherent properties of the coatings. Micro-hardness behaviours were investigated by means of high impact diamond Dura scan microhardness tester. The result shows that Zn-SnO2-15CJ sulphate co-deposition contributed to increase hardness than Zn-SnO2 alloy. It was observed that Zn-Zn-SnO2-15CJ sulphate has excellent corrosion progression at ambient temperature. The hardness performance shows that developed Zn-SnO2-15CJ is increased by 80% compared to as received sample and 25% compared to Zn-SnO2.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"196"},"PeriodicalIF":0.0,"publicationDate":"2018-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJNP.2018.094041","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43353230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Investigating PMMA as a potential insulator material for metal-insulator-metal diode 研究PMMA作为金属-绝缘体-金属二极管的潜在绝缘体材料
International Journal of Nanoparticles Pub Date : 2018-08-15 DOI: 10.1504/IJNP.2018.094046
S. Shriwastava, K. Bhatt, Sandeep Sharma, Sandeep Kumar, C. C. Tripathi
{"title":"Investigating PMMA as a potential insulator material for metal-insulator-metal diode","authors":"S. Shriwastava, K. Bhatt, Sandeep Sharma, Sandeep Kumar, C. C. Tripathi","doi":"10.1504/IJNP.2018.094046","DOIUrl":"https://doi.org/10.1504/IJNP.2018.094046","url":null,"abstract":"The metal-insulator-metal (MIM) diodes are considered very promising for high frequency applications because of its tunnelling-based ultrafast charge transport mechanism. A wide variety of materials are being explored in quest of developing these thin film devices. Recently, organic insulator-based MIM diodes have attracted significant attention to the researchers due to its several advantages and have become a promising alternative of conventional inorganic insulators. In the present work the feasibility of an organic polymer polymethyl methacrylate (PMMA) is investigated for insulating material of MIM junction. It is a transparent resin which is able to produce uniform and thin insulating layer with low defect density. In this work, an Al/PMMA/Cr structure is fabricated by optimising different process parameters in order to develop high performance, reproducible organic MIM diodes. The as fabricated device exhibited fairly asymmetric and nonlinear current-voltage characteristics, which reveals the viability of PMMA as candidate material for insulator layer in MIM diodes.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"207"},"PeriodicalIF":0.0,"publicationDate":"2018-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJNP.2018.094046","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43760127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Sonochemical syntheses of iron doped zinc Oxide nanoparticles at different sonication powers and temperatures with their application for photocatalytic degradation of PVC-ZnO composite film 不同超声功率和温度下铁掺杂氧化锌纳米粒子的声化学合成及其在光催化降解PVC-ZnO复合膜中的应用
International Journal of Nanoparticles Pub Date : 2018-08-15 DOI: 10.1504/IJNP.2018.094040
A. Roy, S. Maitra, S. Chakrabarti
{"title":"Sonochemical syntheses of iron doped zinc Oxide nanoparticles at different sonication powers and temperatures with their application for photocatalytic degradation of PVC-ZnO composite film","authors":"A. Roy, S. Maitra, S. Chakrabarti","doi":"10.1504/IJNP.2018.094040","DOIUrl":"https://doi.org/10.1504/IJNP.2018.094040","url":null,"abstract":"Doping with iron enhances various properties of zinc oxide making it suitable for several applications. Sonochemical route is an easy way for synthesis of doped ZnO nanoparticles. Input-powers of ultrasound and synthesis-temperature have significant influences over the characteristics of iron-doped zinc oxide nanoparticles. Effects of the varying sonication powers and synthesis temperatures on the average grain size, band gap and magnetic properties of doped ZnO were studied using UV-vis spectrophotometer, X-ray diffraction (XRD), field emission scanning electron micrography (FESEM) with Energy dispersive X-ray spectroscopy (EDX) and SQUID-magnetometer. Both temperature and sonication power influenced the characteristics. The nanoparticles were then used for casting composite films with polyvinyl chloride (PVC) and photodegradation of the film was examined under sunlight. Performances of nanoparticles synthesised at different conditions were compared. Maximum degradation of about 12% was obtained within three hours with nanoparticles synthesised at 42 W power and 30°C temperature.","PeriodicalId":14016,"journal":{"name":"International Journal of Nanoparticles","volume":"10 1","pages":"178-195"},"PeriodicalIF":0.0,"publicationDate":"2018-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJNP.2018.094040","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42355119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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