Nanoscience & Nanotechnology-Asia最新文献_第3页

Nanoneuromedicines for Neurodegenerative Diseases 神经退行性疾病的纳米神经药物

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681208666171211160433

Ram Singh

引用次数: 1

Implications of Nanotechnology in Healthcare 纳米技术在医疗保健中的应用

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681208666180110153435

Mahaveer Genwa and Pradeep Kumar Preeti

{"title":"Implications of Nanotechnology in Healthcare","authors":"Mahaveer Genwa and Pradeep Kumar Preeti","doi":"10.2174/2210681208666180110153435","DOIUrl":"https://doi.org/10.2174/2210681208666180110153435","url":null,"abstract":"\u0000\u0000 Nanotechnology is a science, engineering conducted at nanoscale level for\u0000the manipulation of matter to create materials with significantly unusual, varied and new properties.\u0000Attributes of these synthesized nanomaterials promise to provide a number of applications in\u0000health including nanomedicine, nanorobots/nanobots, nanostars, nanofibers, chemotherapy and\u0000many more. There has been a remarkable interest in identification of adverse health effects associated\u0000with the use of nanotechnology too. The focus of this review is to highlight the current techniques\u0000and development of new technologies advancing medical science and disease treatment in\u0000human healthcare. Firstly, several Nano-pharmaceuticals and Nano-diagnostic methods offer numerous\u0000potential ways for targeted drug delivery, gene therapy, cancer treatment and clinical diagnosis\u0000to provide best rational use of the medicine and minimize the toxic effects. These techniques\u0000can also help to design certain drugs in a controlled way to avoid their structural complexity by\u0000dealing at the atomic and molecular level. Secondly, along with the discussion of potential applications\u0000of nanotechnology, some of the examples will be given to elaborate the various scientific and\u0000technical aspects in the real life.\u0000\u0000\u0000 Finally, conclusion with the future scope and challenges of nanotechnology in health\u0000will be described and discussed.","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"54 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88475742","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

Nanotechnology: Nanomedicine, Nanotoxicity and Future Challenges 纳米技术:纳米医学、纳米毒性和未来的挑战

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681208666180125143953

Vinod Kumar, A. Choudhary, Prashanth Kumar, Saurabh Sharma

{"title":"Nanotechnology: Nanomedicine, Nanotoxicity and Future Challenges","authors":"Vinod Kumar, A. Choudhary, Prashanth Kumar, Saurabh Sharma","doi":"10.2174/2210681208666180125143953","DOIUrl":"https://doi.org/10.2174/2210681208666180125143953","url":null,"abstract":"\u0000\u0000 This review gives an overview of interesting properties of nanoparticles\u0000finding potential applications in nanomedicines and their considerations that need to be made such\u0000as toxicity while developing a nanomedicine by providing an understanding of a relationship between\u0000nanocarrier, targeting moieties and drugs with optical and magnetic properties. Here, we correlate\u0000the interesting properties of nanomaterials to their applications in living cells/body simultaneously\u0000promises, prospects and toxicity challenges of nanomedicines have also been discussed in\u0000detail. Exemplifying the usage of gold nanoparticles and its derivatives such as hetero and homo\u0000hybrid nanostructures that allow their use as contrast agents, therapeutic entities and supports to attach\u0000functional molecules and targeting ligand along with molecular framework structures. Here,\u0000we present the future prospects for potential applications in nanomedicines. These nanomaterials\u0000have been used for varieties of biomedical applications such as targeted drug delivery, photothermal\u0000cancer therapies, MRI, optical imaging, etc. in vitro and in vivo.\u0000\u0000\u0000\u0000\u0000 In summary, this review provides innumerable aspects in the emerging field of\u0000nanomedicine and possible nanotoxicity.\u0000","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76068186","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: 20

Green Synthesis and Spectroscopic Studies of Ag-rGO Nanocomposites for Highly Selective Mercury (II) Sensing 高选择性汞(II)传感用Ag-rGO纳米复合材料的绿色合成与光谱研究

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681207666170705143629

S. Mane‐Gavade, S. Sabale, Xiao‐Ying Yu, G. Nikam, B. Tamhankar

{"title":"Green Synthesis and Spectroscopic Studies of Ag-rGO Nanocomposites for Highly Selective Mercury (II) Sensing","authors":"S. Mane‐Gavade, S. Sabale, Xiao‐Ying Yu, G. Nikam, B. Tamhankar","doi":"10.2174/2210681207666170705143629","DOIUrl":"https://doi.org/10.2174/2210681207666170705143629","url":null,"abstract":"\u0000\u0000 Herein we report the green synthesis and characterization of silverreduced\u0000graphene oxide nanocomposites (Ag-rGO) using Acacia nilotica gum for the first time.\u0000\u0000\u0000\u0000\u0000 We demonstrate the Hg2+ ions sensing ability of the Ag-rGO nanocomposites form\u0000aqueous medium. The developed colorimetric sensor method is simple, fast and selective for the\u0000detection of Hg2+ ions in aqueous media in presence of other associated ions. A significant color\u0000change was noticed with naked eye upon Hg2+ addition. The color change was not observed for\u0000cations including Sr2+, Ni2+, Cd2+, Pb2+, Mg2+, Ca2+, Fe2+, Ba2+ and Mn2+indicating that only Hg2+\u0000shows a strong interaction with Ag-rGO nanocomposites. Under the most suitable condition, the\u0000calibration plot (A0-A) against concentration of Hg2+ was linear in the range of 0.1-1.0 ppm with a\u0000correlation coefficient (R2) value 0.9998.\u0000\u0000\u0000\u0000\u0000The concentration of Hg2+ was quantitatively determined with the Limit of\u0000Detection (LOD) of 0.85 ppm. Also, this method shows excellent selectivity towards Hg2+ over\u0000nine other cations tested. Moreover, the method offers a new cost effective, rapid and simple approach\u0000for the detection of Hg2+ in water samples.\u0000","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87609177","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

Nanotechnology: Beneficial or Harmful 纳米技术:有益还是有害

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/221068120901181226144129

M. Genwa, K. Kumari, P. Singh

引用次数: 0

Evaluation of Nanotechniques and Conventional Techniques for the Removal of Dioxins 纳米技术与传统技术对二恶英的去除效果评价

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681208666180110153919

Vaishali V. Shahare, R. Grover, S. Meena

{"title":"Evaluation of Nanotechniques and Conventional Techniques for the Removal of Dioxins","authors":"Vaishali V. Shahare, R. Grover, S. Meena","doi":"10.2174/2210681208666180110153919","DOIUrl":"https://doi.org/10.2174/2210681208666180110153919","url":null,"abstract":"\u0000\u0000 The persistent dioxins/furans has caused a worldwide concern as they influence\u0000the human health. Recent research indicates that nonmaterial may prove effective in the degradation\u0000of Dioxins/furans. The nanomaterials are very reactive owing to their large surface area to\u0000volume ratio and large number of reactive sites. However, nanotechnology applications face both the\u0000challenges and the opportunities to influence the area of environmental protection.\u0000\u0000\u0000 i) To study the impact of oil mediated UV-irradiations on the removal of 2,3,7,8-TCDD,\u00002,3,7,8-TCDF, OCDD and OCDF in simulated soil samples.\u0000\u0000\u0000 ii) To compare the conventional treatment methods with the modern available nanotechniques for the\u0000removal of selected Dioxins/furans from soil samples.\u0000\u0000\u0000 The present work has investigated an opportunity of the degradation of tetra and octachlorinated\u0000dioxins and furans by using oil mediated UV radiations with subsequent extraction of respective\u0000dioxins/furans from soils. The results have been compared with the available nanotechniques.\u0000\u0000\u0000 The dioxin congeners in the simulated soil sample showed decrease in concentration with\u0000the increase in the exposure time and intensity of UV radiations. The dechlorination of PCDD/Fs using\u0000palladized iron has been found to be effective.\u0000\u0000\u0000 Both the conventional methods and nanotechnology have a dramatic impact on the removal\u0000of Dioxins/furans in contaminated soil. However, the nanotechniques are comparatively costlier\u0000and despite the relatively high rates of PCDDs dechlorination by Pd/nFe, small fraction of the\u0000dioxins are recalcitrant to degradation over considerable exposure times.","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86481918","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

Antifogging and Antireflective Coatings by Spin-LbL Assembly of SiO2 and ZrO2 Nanoparticles SiO2和ZrO2纳米颗粒自旋lbl组装的防雾和防反射涂层

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681208666180111144217

Fusheng Yang, Peng Wang, Xiaoli Yang, Z. Cai

{"title":"Antifogging and Antireflective Coatings by Spin-LbL Assembly of SiO2 and ZrO2 Nanoparticles","authors":"Fusheng Yang, Peng Wang, Xiaoli Yang, Z. Cai","doi":"10.2174/2210681208666180111144217","DOIUrl":"https://doi.org/10.2174/2210681208666180111144217","url":null,"abstract":"\u0000\u0000 Fogging is a common phenomenon and often causes trouble to people in\u0000daily life. Antifogging (AF) and Antireflective (AR) coatings can be effectively used to provide resistance\u0000to fogging and maintain the optical clarity in day-to-day life. For this reason, they are useful\u0000for maintaining optical clarity in optical instrument and display devices.\u0000\u0000\u0000\u0000\u0000 Antifogging and antireflective coatings were fabricated using a Spin-LbL assembly process,\u0000and this process is driven by electrostatic interactions between the positively charged ZrO2 NPs\u0000and negatively charged SiO2 NPs.\u0000\u0000\u0000\u0000\u0000 The textured surfaces and void fraction can signicantly enhance the wettability of surfaces\u0000with water. And this may result in enhanced AF properties. In the Water contact angles (WCA) test, the\u0000ZrO2/SiO2 and SiO2/ZrO2 coatings were all superhydrophilic (almost 0°, less than 0.04 s). In the boiling test\u0000and low temperature AF test, the ZrO2/SiO2 and SiO2/ZrO2 samples showed excellent AF properties.\u0000\u0000\u0000\u0000\u0000 Antifogging and antireflective coatings were fabricated via Spin-LbL assembly of the\u0000positively charged ZrO2 NPs and negatively charged SiO2 NPs followed by calcination. The resultant\u0000coatings showed excellent AF properties due to the superhydrophilicity of the coating, exhibited excellent\u0000AR properties due to the low refractive index coating and an appropriate coating thickness,\u0000and showed excellent superhydrophilic properties due to a nano-roughness structure.\u0000","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"24 10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91052388","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

Fabrication and Characterization of Carbon Nanotube Channel on the Electrodes for the Development of Resonant Gate Transistor 谐振栅极晶体管电极上碳纳米管通道的制备与表征

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681208666180416152913

M. M. Aqil, M. Azam, R. Latif

{"title":"Fabrication and Characterization of Carbon Nanotube Channel on the Electrodes for the Development of Resonant Gate Transistor","authors":"M. M. Aqil, M. Azam, R. Latif","doi":"10.2174/2210681208666180416152913","DOIUrl":"https://doi.org/10.2174/2210681208666180416152913","url":null,"abstract":"\u0000\u0000 New application can be obtained by the integration between carbon nanotube\u0000technology Nano-Electro-Mechanical system (NEMs) and Micro-Electro-Mechanical system\u0000(MEMs). The new application is a transistor, which uses carbon nanotube as the channel between\u0000the source and drain, while MEMs resonator bridges are used as suspending gates.\u0000\u0000\u0000\u0000\u0000 preparation process of the electrodes (source/drain), carbon nanotube growth between\u0000electrodes and the characterization of carbon nanotube channel using Raman spectroscopy to study\u0000the time and temperature effect on the quality of Carbon Nanotube channel (CNT-channel), field\u0000emission scanning electron microscope/Energy Dispersive X-ray Analysis (FESEM) to study CNT\u0000structure.\u0000\u0000\u0000 The result shows the increasing of quality with the increase of both temperature and time.\u0000Carbon nanotubes exist between electrodes, and the growth direction follow ethanol direction from\u0000source to drain. However, the carbon nanotube growth randomly not aligned. The channel between\u0000electrodes were well etched, this has been approved by EDX result.\u0000\u0000\u0000 The characterization confirmed the CNT presence between source and drain. Increasing\u0000the growth temperature from 700 to 725 °C enhanced the quality of growing CNTs, which is\u0000clearly shown from Raman information. While, increasing growth time decreased quality, but the\u0000effect not that significant. FESEM characterization shows that CNT growth follows the ethanol\u0000flow from source to drain randomly, while EDX result shows that the channel between the electrodes\u0000was well etched and clear.\u0000","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90450557","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

Efficient Micromixing for Continuous Biodiesel Production from Jatropha Oil 麻风树油连续生产生物柴油的高效微混合

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681207666170718160304

Waleed S. Mohammed, A. El‐Shazly, M. Elkady, M. Ohshima

{"title":"Efficient Micromixing for Continuous Biodiesel Production from Jatropha Oil","authors":"Waleed S. Mohammed, A. El‐Shazly, M. Elkady, M. Ohshima","doi":"10.2174/2210681207666170718160304","DOIUrl":"https://doi.org/10.2174/2210681207666170718160304","url":null,"abstract":"\u0000\u0000 The utilization of biodiesel as an alternative fuel is turning out to be progressively\u0000famous these days because of worldwide energy deficiency. The enthusiasm for utilizing\u0000Jatropha as a non-edible oil feedstock is quickly developing. The performance of the base catalyzed\u0000methanolysis reaction could be improved by a continuous process through a microreactor in\u0000view of the high mass transfer coefficient of this technique.\u0000\u0000\u0000 Nanozirconium tungstovanadate, which was synthetized using sol-gel\u0000preparation method, was utilized in a complementary step for biodiesel production process. The\u0000prepared material has an average diameter of 0.066 &µm.\u0000\u0000\u0000 First, the NaOH catalyzed methanolysis of Jatropha oil was investigated in a continuous\u0000microreactor, and the efficient mixing over different mixers and its impact on the biodiesel yield\u0000were studied under varied conditions. Second, the effect of adding the nanocatalyst as a second\u0000stage was investigated.\u0000\u0000\u0000 The maximum percentage of produced methyl esters from Jatropha oil was 98.1% using\u0000a methanol/Jatropha oil molar ratio of 11 within 94 s using 1% NaOH at 60 &°C. The same maximum\u0000conversion ratio was recorded with the nanocatalyst via only 0.3% NaOH.","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"380 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76432533","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

Non-Viral Vectors for Gene Delivery 基因传递的非病毒载体

Nanoscience & Nanotechnology-Asia Pub Date : 2018-12-26 DOI: 10.2174/2210681208666180110154233

Aparna Bansal and Himanshu

{"title":"Non-Viral Vectors for Gene Delivery","authors":"Aparna Bansal and Himanshu","doi":"10.2174/2210681208666180110154233","DOIUrl":"https://doi.org/10.2174/2210681208666180110154233","url":null,"abstract":"\u0000\u0000 Gene therapy has emerged out as a promising therapeutic pave for the treatment\u0000of genetic and acquired diseases. Gene transfection into target cells using naked DNA is a simple\u0000and safe approach which has been further improved by combining vectors or gene carriers. Both viral\u0000and non-viral approaches have achieved a milestone to establish this technique, but non-viral approaches\u0000have attained a significant attention because of their favourable properties like less immunotoxicity\u0000and biosafety, easy to produce with versatile surface modifications, etc. Literature is rich in evidences\u0000which revealed that undoubtedly, non–viral vectors have acquired a unique place in gene therapy\u0000but still there are number of challenges which are to be overcome to increase their effectiveness and\u0000prove them ideal gene vectors.\u0000\u0000\u0000\u0000\u0000 To date, tissue specific expression, long lasting gene expression system, enhanced gene\u0000transfection efficiency has been achieved with improvement in delivery methods using non-viral vectors.\u0000This review mainly summarizes the various physical and chemical methods for gene transfer in vitro\u0000and in vivo.\u0000","PeriodicalId":18979,"journal":{"name":"Nanoscience & Nanotechnology-Asia","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81597662","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: 16