Journal of Nanoparticles最新文献_第9页

Photocatalytic Properties of Microwave-Synthesized TiO2 and ZnO Nanoparticles Using Malachite Green Dye 孔雀石绿染料微波合成TiO2和ZnO纳米颗粒的光催化性能

Journal of Nanoparticles Pub Date : 2013-03-05 DOI: 10.1155/2013/310809

Ashutosh Kumar Singh, U. Nakate

引用次数: 36

The Growth of Bismuth Sulfide Nanorods from Spherical-Shaped Amorphous Precursor Particles under Hydrothermal Condition 球形非晶前驱体颗粒在水热条件下生长硫化铋纳米棒

Journal of Nanoparticles Pub Date : 2013-02-28 DOI: 10.1155/2013/367812

Pravas Kumar Panigrahi, A. Pathak

引用次数: 41

Synthesis of ZnO Nanostructures by Microwave Irradiation Using Albumen as a Template 以蛋白为模板的微波辐射合成ZnO纳米结构

Journal of Nanoparticles Pub Date : 2013-02-28 DOI: 10.1155/2013/274894

T. Prakash, R. Jayaprakash, G. Neri, Sanjay Kumar

引用次数: 21

Rapid Green Synthetic Protocol for Novel Trimetallic Nanoparticles 新型三金属纳米颗粒的快速绿色合成方案

Journal of Nanoparticles Pub Date : 2013-02-28 DOI: 10.1155/2013/168916

B. Karthikeyan, B. Loganathan

引用次数: 22

Microwave Assisted Growth of ZnO Nanorods and Nanopolypods Nanostructure Thin Films for Gas and Explosives Sensing 微波辅助生长用于气体和爆炸物传感的ZnO纳米棒和纳米聚脚纳米结构薄膜

Journal of Nanoparticles Pub Date : 2013-02-25 DOI: 10.1155/2013/783691

A. Singh

{"title":"Microwave Assisted Growth of ZnO Nanorods and Nanopolypods Nanostructure Thin Films for Gas and Explosives Sensing","authors":"A. Singh","doi":"10.1155/2013/783691","DOIUrl":"https://doi.org/10.1155/2013/783691","url":null,"abstract":"The growth of uniformly distributed and densely packed array of zinc oxide (ZnO) nanorods (NRs) and nanorods (NRs)/nanopolypods (NPPs) was successfully achieved through microwave-assisted chemical route at low temperature. The ZnO NRs and NRs/NPPs were characterized using X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive X-ray analysis (EDX), and UV-Vis absorption spectroscopy. The ZnO NRs were of 100–150 nm diameter and 0.5–1 μm length, while the NPPs were of diameter about 150–200 nm and 1.5–2 μm pod length. The prepared films are polycrystalline in nature and highly oriented along (002) plane with a hexagonal wurtzite structure. These films were studied for the sensing properties of liquefied petroleum gas (LPG), oxygen, and hazardous explosives, that is, 2,4,6-trinitrotoluene (TNT) and cyclotrimethylenetrinitramines (RDX), in the temperature ranges of 25–425 °C and 100–200 °C, respectively. The grown nanostructure films showed reliable stable response to several on-off cycles, and reduction in sensor recovery time was found with the increase in temperature. ZnO NRs and NRs/NPPs showed better sensitivity and recovery time for both LPG and oxygen, as compared to the literature-reported results for ZnO thin films.","PeriodicalId":16507,"journal":{"name":"Journal of Nanoparticles","volume":"26 1","pages":"1-12"},"PeriodicalIF":0.0,"publicationDate":"2013-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82227601","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

The Influences of CuO/ZnO Ratios on the Crystallization Characteristics Electrical and Magnetic Properties of Powders CuO/ZnO配比对粉末结晶特性、电性能和磁性能的影响

Journal of Nanoparticles Pub Date : 2013-02-24 DOI: 10.1155/2013/405043

Kuan-Jen Chen, F. Hung, T. Lui, Cheng-Hung Chen, Sheng-Po Chang

引用次数: 3

Green Chemistry Approach for Efficient Synthesis of Schiff Bases of Isatin Derivatives and Evaluation of Their Antibacterial Activities Isatin衍生物席夫碱高效合成的绿色化学方法及其抗菌活性评价

Journal of Nanoparticles Pub Date : 2013-02-17 DOI: 10.1155/2013/549502

J. Panda, V. Patro, B. Sahoo, Jitendriya Mishra

{"title":"Green Chemistry Approach for Efficient Synthesis of Schiff Bases of Isatin Derivatives and Evaluation of Their Antibacterial Activities","authors":"J. Panda, V. Patro, B. Sahoo, Jitendriya Mishra","doi":"10.1155/2013/549502","DOIUrl":"https://doi.org/10.1155/2013/549502","url":null,"abstract":"Microwave-assisted organic synthesis, a green chemistry approach, is nowadays widely used in the drug synthesis. Microwave-assisted synthesis improves both throughput and turnaround time for medicinal chemists by offering the benefits of drastically reduced reaction times, increased yields, and pure products. Schiff bases are the important class of organic compounds due to their flexibility, and structural diversities due to the presence of azomethine group which is helpful for elucidating the mechanism of transformation and rasemination reaction in biological system. This novel compound could also act as valuable ligands for the development of new chemical entities. In the present work, some Schiff bases of Isatin derivatives was synthesized using microwave heating method. Schiff base of Isatin were synthesized by condensation of the keto group of Isatin with different aromatic primary amines. They were characterized by means of spectral data and subsequently subjected to the in vitro antibacterial activities against gram positive and gram negative strains of microbes. It was observed that the compound with electron withdrawing substituents exhibited good antibacterial activities against almost all the micro organisms.","PeriodicalId":16507,"journal":{"name":"Journal of Nanoparticles","volume":"10 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2013-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87189707","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: 13

Shape Control of CdTe Nanocrystals: Influence of the Solvent Composition and Ligand Effects CdTe纳米晶的形状控制:溶剂组成和配体效应的影响

Journal of Nanoparticles Pub Date : 2013-02-06 DOI: 10.1155/2013/243831

Xiaoping Jin, J. Parisi, J. Kolny-Olesiak

引用次数: 12

Synthesis and Evaluation of Magnetic Nanoparticles for Biomedical Applications 磁性纳米颗粒生物医学应用的合成与评价

Journal of Nanoparticles Pub Date : 2013-01-15 DOI: 10.1155/2013/370812

Nydeia W. Bolden, V. Rangari, S. Jeelani, S. Boyoglu, S. Singh

{"title":"Synthesis and Evaluation of Magnetic Nanoparticles for Biomedical Applications","authors":"Nydeia W. Bolden, V. Rangari, S. Jeelani, S. Boyoglu, S. Singh","doi":"10.1155/2013/370812","DOIUrl":"https://doi.org/10.1155/2013/370812","url":null,"abstract":"In this study, iron oxide (IO) nanoparticles from various precursors have been synthesized using sonochemical method and characterized for their structural variability and toxicity. The iron oxide (IO) precursor solutions were prepared from iron acetate (IA), iron pentacarbonyl (IP), decalin, PEG (poly(ethylene glycol)), EG (ethylene glycol), PVA (poly(vinyl alcohol)), β-cyclodextrin (CD), and distilled water. These precursor solutions were irradiated with high power ultrasound for 3 hours and heat treated as needed. These as-prepared iron oxide nanoparticles were characterized using X-ray diffraction (XRD), Mossbauer spectroscopy, transmission electron microscopy (TEM), and magnetization measurements. XRD results show that all the particles are highly crystalline in nature and the particles sizes measured from TEM are approximately 5–20 nm. The maximum magnetization was observed for IO-IP at approximately 60.17 emu/g and the minimum was approximately 30.56 emu/g for IO-IA. These results confirm that the particles are superparamagnetic (SPM) in nature. Mossbauer spectroscopy verified the magnetic nanoparticles are purely Fe3O4 and particles sizes varied by the nature of the precursor and coatings.","PeriodicalId":16507,"journal":{"name":"Journal of Nanoparticles","volume":"76 1","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"2013-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78274411","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

Coimmobilization of Naringinases on Silk Fibroin Nanoparticles and Its Application in Food Packaging 柚皮苷酶在丝素纳米颗粒上的共固定化及其在食品包装中的应用

Journal of Nanoparticles Pub Date : 2013-01-14 DOI: 10.1155/2013/901401

Min-hui Wu, Lin Zhu, Zhenwei Zhou, Yu-Qing Zhang

引用次数: 22