Advanced Materials Letters最新文献

Insights into the Emerging Collagen-based Bio-ink in 3D Bio-printing for Tissue Engineering: A Short Review 洞察三维生物打印技术中用于组织工程的新兴胶原基生物墨水：简评

Advanced Materials Letters Pub Date : 2024-07-01 DOI: 10.5185/amlett.2024.031754

Sahariya Priya, Sakar Mohan, A. Murali, R. Ramesh, Sung Soo Han

引用次数: 0

A Review on Synthesis Methods of Materials Science and Nanotechnology 材料科学与纳米技术合成方法综述

Advanced Materials Letters Pub Date : 2024-07-01 DOI: 10.5185/amlett.2024.031758

Avadhesh Yadav

{"title":"A Review on Synthesis Methods of Materials Science and Nanotechnology","authors":"Avadhesh Yadav","doi":"10.5185/amlett.2024.031758","DOIUrl":"https://doi.org/10.5185/amlett.2024.031758","url":null,"abstract":"Materials science is a fast developing field of research in which a lot of advancements have been reported in few decades. The progress in materials science is essential due to its wide range of applications in solid state fuel cells, display materials, solar cells, energy storage devices, automotive sectors, electronics and environment, mechanical, medical & aerospace industries. Doping and substitutions in host materials are excellent ways of changing the properties of any materials. There are two main forms of materials, thin film and bulk, which are used in research. These two forms of materials are synthesized by two basic approaches, named as top-down and bottom-up. Bottom-up and top-down approaches are comprised of several synthesis methods, e.g., solid state reaction method, hydrothermal method, co-precipitation method, sol gel method, auto-combustion method, melt quench method, evaporation method, sputtering method, pulse laser deposition method, spin coating method and spray pyrolysis method. Each synthesis method has its unique procedure as well as merits and demerits. The solid state reaction route is one of the simplest synthesis method, which requires heating of the materials which were grounded for homogeneous mixing of the various oxide ingredients. The bulk and thin films at low reaction temperatures were prepared by sol-gel synthesis route which provides the high purity products. Co-precipitation method provides homogenous particle size which is a very energy efficient method. Thus, the synthesis method is an essential factor for materials science and nanotechnology research. The present article is an attempt to review the synthesis methods and their merits or demerits.","PeriodicalId":7281,"journal":{"name":"Advanced Materials Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141707335","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

Influence of Fiber Orientation on the Strength Properties of Paper-Epoxy Composites 纤维方向对纸-环氧树脂复合材料强度特性的影响

Advanced Materials Letters Pub Date : 2024-07-01 DOI: 10.5185/amlett.2024.031756

C. Helbrecht, R. Götzinger, S. Schabel

{"title":"Influence of Fiber Orientation on the Strength Properties of Paper-Epoxy Composites","authors":"C. Helbrecht, R. Götzinger, S. Schabel","doi":"10.5185/amlett.2024.031756","DOIUrl":"https://doi.org/10.5185/amlett.2024.031756","url":null,"abstract":"An important advantage of paper composites is their sustainability. Natural fibers store CO 2 during growth, they are recyclable and may be safely thermally recycled. In this work, composites out of laboratory paper and epoxy resin are generated in a hand lay-up process. The laboratory paper varies in the degree of fiber orientation. As a comparison, paper with isotropic fiber orientation is also used. The tensile strength for the isotropic paper composite is about 120 MPa. It can be observed that the tensile strength of the composite tends to increase with the increase of fiber orientation in the paper. The measured tensile strength of the oriented paper composites in the fiber direction is about 150 MPa and in cross fiber direction about 50 MPa. The strength characteristics are comparatively lower than for carbon or glass fiber reinforced composites, but the density of the paper composites investigated here is only about 1.26 g/cm 3 and the raw material price is significantly lower making paper composites economically attractive. At the end, strength values are modeled with the rule of mixture as well as with Kröling's strength model. In conclusion, tensile strength of oriented paper composites are higher than of isotropic paper.","PeriodicalId":7281,"journal":{"name":"Advanced Materials Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141688873","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

Influence of CNT Concentrations on Structural and Morphological Properties of PANI-SnO2-CNT Nanocomposite Thin Films and the Sensitivity Performance to Detect E. coli in Water 碳纳米管浓度对 PANI-SnO2-CNT 纳米复合薄膜的结构和形态特性以及检测水中大肠杆菌灵敏度性能的影响

Advanced Materials Letters Pub Date : 2024-07-01 DOI: 10.5185/amlett.2024.031757

Huda Abdullah, N. Naim, Mohamad Aiman Arif Omar, Jian Kang, Iskandar Yahya, N. Kamal, N. Aziz, Atiqah Afdzaluddin, Noraziah Zin, Mohd Hafiz Dzarfan Othman, Wing Yap

{"title":"Influence of CNT Concentrations on Structural and Morphological Properties of PANI-SnO2-CNT Nanocomposite Thin Films and the Sensitivity Performance to Detect E. coli in Water","authors":"Huda Abdullah, N. Naim, Mohamad Aiman Arif Omar, Jian Kang, Iskandar Yahya, N. Kamal, N. Aziz, Atiqah Afdzaluddin, Noraziah Zin, Mohd Hafiz Dzarfan Othman, Wing Yap","doi":"10.5185/amlett.2024.031757","DOIUrl":"https://doi.org/10.5185/amlett.2024.031757","url":null,"abstract":"Carbon nanotubes (CNTs) are particularly attractive for use in sensors for environmental and health monitoring. This study proposes a new approach in developing polymer-metal-based sensor for E. coli detection by using CNTs incorporation. PANI-SnO 2 nanocomposite thin films were combined with CNTs to be fabricated as biosensing devices. PANI-(SnO 2 ) 1-x -CNT x nanocomposite thin films were synthesized using sol-gel method and deposited on a glass substrate by spin coating technique. The prepared thin films were characterized by X-ray diffraction (XRD), field scanning electron microscopy (FESEM), atomic field microscopy (AFM) and ultraviolet-visible (UV-vis) spectroscopy. The sensitivity performance of PANI-(SnO 2 ) 1-x -CNT x nanocomposite thin films were conducted by using current-voltage ( I-V ) measurements. From the results, XRD patterns show the appearance of PANI, SnO 2 and C peaks and the increasing crystallite size with the increasing of CNT concentration. FESEM images show the spherical shape of SnO 2 and the nanotubes of carbon in the diameter size range 30 – 100 nm and 150 – 220 nm respectively. AFM analysis has found out the roughness parameter has increased when CNT percentage was increased. The peaks from UV-Vis absorbance bands indicated the presence of CNT and SnO 2 at wavelength 270 nm and 370 nm respectively. From I-V measurement of the sensor, PANI-(SnO 2 ) 1-x -CNT x with x = 0.03 performed the highest sensitivity which is 16.32%. The results demonstrate that the increasing of CNT concentrations was increasing the sensitivity of PANI-(SnO 2 ) 1-x -CNT x thin films towards E. coli .","PeriodicalId":7281,"journal":{"name":"Advanced Materials Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141691096","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

Chemical Processing and Physical-Chemical and Mechanical Characterizations of Poly (L-co-D, L lactic acid)/Polyethylene Glycol Mixtures for Application as a Biomedical Device 用作生物医学设备的聚（左旋-右旋乳酸）/聚乙二醇混合物的化学处理及物理化学和机械特性分析

Advanced Materials Letters Pub Date : 2024-07-01 DOI: 10.5185/amlett.2024.031755

V. Amaral, Juliana Souza, Thais Alves, F. Batain, Kessi Crescencio, Daniel Komatsu, Marco Chaud

{"title":"Chemical Processing and Physical-Chemical and Mechanical Characterizations of Poly (L-co-D, L lactic acid)/Polyethylene Glycol Mixtures for Application as a Biomedical Device","authors":"V. Amaral, Juliana Souza, Thais Alves, F. Batain, Kessi Crescencio, Daniel Komatsu, Marco Chaud","doi":"10.5185/amlett.2024.031755","DOIUrl":"https://doi.org/10.5185/amlett.2024.031755","url":null,"abstract":"The chemical processing of polymeric mixtures is a promising alternative for designing materials with new characteristics for biomedical applications. This work proposed to produce and characterize polymeric mixtures obtained using polyethylene glycol (PEG400 or PEG4000) with poly (L-co-D, L lactic acid)/PLDLA for biomedical use. The mixtures were prepared by the casting method. Characterizations were performed by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), mechanical properties (perforation, resilience, elastic modulus, plastic deformation, tensile strength and mucoadhesion) and in vitro biodisintegration studies. The results obtained by FTIR and DSC suggest that the chemical interactions that generate the mixtures between the polymers occurred through hydrogen bonds and/or dipole-dipole interactions. Chemical interactions created compounds that were more hydrophilic and had different rearrangements when using PEG400 or PEG4000 in the mixture. The mechanical tests showed changes in the resistance of the materials, highlighting the exponential value of plastic deformation of PLDLA/PEG400, significantly increasing the plasticity of this structure by 111-fold about PLDLA/PEG4000. In the biodisintegration study, after 120 hours, greater mass loss was observed for PLDLA/PEG4000 (68.82 ± 1.46%). Hydrolytic disintegration did not influence pH values, which remained between 7.34 and 7.41 during the study. In conclusion, these mixtures can provide valuable characteristics to produce a biocompatible biomedical device with properties to support tissue regeneration, where the issue of plastic deformation is necessary in collaboration with the formation of pores, after PEG dissolution in vivo .","PeriodicalId":7281,"journal":{"name":"Advanced Materials Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141715670","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

Exploring Nanocellulose-Based Materials for Energy Conversion and Storage Devices 探索用于能量转换和储存设备的纳米纤维素基材料

Advanced Materials Letters Pub Date : 2024-07-01 DOI: 10.5185/amlett.2024.031753

Nidhi Patel, Rahul Bairwan, H. P. S. Abdul Khalil, M. Ahmad, E. Yahya, Soni Thakur, Kanchan Jha

引用次数: 0

IAAM's Pledge for Global Climate Resilience at COP 28 国际建筑与城市规划学会在《公约》缔约方会议第二十八届会议上对全球气候复原力的承诺

Advanced Materials Letters Pub Date : 2024-04-01 DOI: 10.5185/amlett.2024.021745

Ashutosh Tiwari

引用次数: 0

Comparative Study of the Photothermal Behavior of Polydopamine-, Polypyrrole-, and Carbon Nanotubes-based Materials 聚多巴胺、聚吡咯和碳纳米管基材料的光热行为比较研究

Advanced Materials Letters Pub Date : 2024-04-01 DOI: 10.5185/amlett.2024.021750

Gabriela Herrera Rodriguez, Andya Ramírez Irigoyen, Karla F García Verdugo, Ana Torres Figueroa, Brianda M Salazar Salas, José Encinas Encinas, Cinthia Jhovanna Pérez Martínez, Teresa del Castillo-Castro

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A Review on Bio-oil Upgradation by using Physico-chemical Methods 使用物理化学方法提升生物油等级综述

Advanced Materials Letters Pub Date : 2024-04-01 DOI: 10.5185/amlett.2024.021747

D. Bisen, Ashish Singh Chouhan

引用次数: 0

A Study of the Structural, Optical and Antibacterial Properties of Green Synthesized Calcium Oxide Nanoparticles 绿色合成氧化钙纳米粒子的结构、光学和抗菌特性研究

Advanced Materials Letters Pub Date : 2024-04-01 DOI: 10.5185/amlett.2024.021749

Rekha S, Sreelakshmi P S, Akhila V S, Amrutha R, Anila E I

引用次数: 0