材料物理与化学进展(英文)最新文献_第4页

Gold Nanoparticles: Synthesis and Effect on Viability of Human Non-Small Lung Cancer Cells 金纳米颗粒的合成及其对人非小肺癌细胞活力的影响

材料物理与化学进展(英文) Pub Date : 2021-09-29 DOI: 10.4236/ampc.2021.119014

Rakesh Sharma, Y. S. Negi

{"title":"Gold Nanoparticles: Synthesis and Effect on Viability of Human Non-Small Lung Cancer Cells","authors":"Rakesh Sharma, Y. S. Negi","doi":"10.4236/ampc.2021.119014","DOIUrl":"https://doi.org/10.4236/ampc.2021.119014","url":null,"abstract":"Gold nanoparticles recently showed great interest for many uses including food, drug and medical applications. The algae Undaria sp. well known as wakame in South Asia are considered to be large edible brown algae. It provides nutritious source of dietary fiber, vitamin Bs and mineral. The present study aimed to investigate the use of Undaria sp. for green synthesis of metallic gold nanoparticles. The synthesized nanoparticles were characterized for physicochemical properties including size measurement and tested in vitro for their effect on viability of human non-small lung cancer H-460 cell line using the MTT assay. From the results, brown algae were able to chemically form nanoparticles with chloroauric acid solution possibly due to the sulphated polysaccharides found in algae. The particle sizes were found to be approximately 10 nm. The gold nanoparticles stabilized by the algae could decrease the cancer cell viability. However, the properties and biological activity of nanoparticles seemed to depend upon reaction time and temperature. Conclusively, gold nanoparticles synthesized and stabilized by the algae could decrease the cancer cell viability, thus indicating the potential of such nanoparticles for further study for anticancer activity.","PeriodicalId":68199,"journal":{"name":"材料物理与化学进展(英文)","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41529312","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

Photovoltaic Application Study of Zinc Telluride Thin Films Grown by Chemical Bath Deposition Method 化学浴沉积法制备碲化锌薄膜的光伏应用研究

材料物理与化学进展(英文) Pub Date : 2021-08-26 DOI: 10.4236/ampc.2021.118013

K. C. Rathod, P. Kamble, K. R. Sanadi, G. Kamble, Muddsar L. Guar, K. Garadkar

引用次数: 8

Laser-Plasma Deposition of Silicon Carbonitride Films by the HMDS Vapor Gas Flow Activation after a Laser Beam Focus 激光聚焦后HMDS蒸汽流激活激光等离子体沉积碳氮化硅薄膜

材料物理与化学进展(英文) Pub Date : 2021-07-15 DOI: 10.4236/ampc.2021.117012

V. N. Demin, V. O. Borisov, G. N. Grachev, A. L. Smirnov, M. Khomyakov, S. N. Bagayev

引用次数: 1

Preparation of Multi-Wall Carbon Nanotubes/Graphene Composites with Cadmium Sulfide in Dye-Sensitized Solar Cells (DSSCs) 染料敏化太阳能电池中硫化镉制备多壁碳纳米管/石墨烯复合材料

材料物理与化学进展(英文) Pub Date : 2021-06-16 DOI: 10.4236/ampc.2021.116011

Entidhar A. Alkuam

引用次数: 3

Physical Structure Analysis and Optical Properties of Sudan III Thin Film 苏丹III薄膜的物理结构分析与光学性能

材料物理与化学进展(英文) Pub Date : 2021-06-16 DOI: 10.4236/AMPC.2021.116010

H. Taunaumang, Djeli Tuladi, Prisilia Wakary

{"title":"Physical Structure Analysis and Optical Properties of Sudan III Thin Film","authors":"H. Taunaumang, Djeli Tuladi, Prisilia Wakary","doi":"10.4236/AMPC.2021.116010","DOIUrl":"https://doi.org/10.4236/AMPC.2021.116010","url":null,"abstract":"Background: Sudan III is known red disazo dye possess a hydroxyl group which is sensitively to interact with others molecules such as CO2, O2, SO2 through hydrogen bonding. Methods: Fabrication of Sudan III thin film for sensor technology application has been carried out by using PVD method. The physical structure that is crystallinity of this film has been investigated by using XRD method. Results: The XRD spectra of powder Sudan III shows crystalline structure while the XRD spectra of thin film results of the PVD method, which is deposited on substrate glass slide shows amorphous structure. There are no differences in the crystallinity content of Sudan III thin film that exposure to acetone and alcohol vapor. The interplanar distance of crystals plane is about 28.47 nm, the average crystallite size is about 35.6 nm and the average molecular chain separation is about 37.9 nm. Sudan III thin film result of the PVD method shows an interesting optical characteristic (absorption). There are significantly different between UV-VIS spectra Sudan III thin film compared to the UV-VIS spectra of Sudan III solution. The UV-VIS spectra of the Sudan III thin film shows a decreasing of peak intensity in visible wavelength which indication of orientation effect of molecule on substrate surface. The aborption peak at UV region for Sudan III thin film shows a shifting to the long wavelength compared to the Sudan III in form of solution.","PeriodicalId":68199,"journal":{"name":"材料物理与化学进展(英文)","volume":"11 1","pages":"101-110"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42295536","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

Reactivity of Titanium Dental Implants in Salivary Environment in the Presence of Foods Consumed in the Republic of the Congo 在刚果共和国食用的食物中，钛牙种植体在唾液环境中的反应性

材料物理与化学进展(英文) Pub Date : 2021-05-20 DOI: 10.4236/AMPC.2021.115009

AbelDominique Eboungabeka, Edith Rose Marcelle Eboungabeka Trigo, T. Nsongo

引用次数: 1

Synthesis and Characterization of SnO2 Flower-Shaped by Hydrothermal Route for Formaldehyde Sensing Properties 用于甲醛传感性能的水热成型SnO2花的合成与表征

材料物理与化学进展(英文) Pub Date : 2021-04-06 DOI: 10.4236/AMPC.2021.114007

Abeer A. Alhadi, Shuyi Ma, S. Pei, Ting-ting Yang, P. Yun, Qianqian Zhang, Hamouda Adam Hamouda, Li Wang, O. Almamoun, Altayeb Alshiply, P. Cao, Manahil H. Babal, Khalid Ahmed Abbakar

引用次数: 0

Determination of Natural Radioactivity of the Hibiscus sabdariffa Linn (Roselle) Used in Côte d’Ivoire (Ivory Coast) 科特迪瓦（象牙海岸）用木槿的天然放射性测定

材料物理与化学进展(英文) Pub Date : 2021-03-25 DOI: 10.4236/AMPC.2021.113006

A. Alfred, Djagouri Koudou, Brigui Olkalé Jean-Claude

引用次数: 0

Undue Hardness/Modulus Ratio Claims instead of Physical Penetration Resistance and Applications with Mollusk Shells 不适当的硬度/模量比索赔代替物理穿透阻力和应用与软体动物壳

材料物理与化学进展(英文) Pub Date : 2021-02-28 DOI: 10.4236/AMPC.2021.112005

G. Kaupp

{"title":"Undue Hardness/Modulus Ratio Claims instead of Physical Penetration Resistance and Applications with Mollusk Shells","authors":"G. Kaupp","doi":"10.4236/AMPC.2021.112005","DOIUrl":"https://doi.org/10.4236/AMPC.2021.112005","url":null,"abstract":"The Nanoindentation is a precise technique for the elucidation of mechanical properties. But such elucidation requires physically based interpretation of the loading curves that is widely still not practiced. The use of indentation hardness H and indentation modulus Er is unphysical and cannot detect the most important phase-transitions under load that very often occur. The claim that H versus E plots relate linearly for all different materials is neither empirically found nor correctly deduced. It is most dangerous by producing incorrect materials properties and misleading. The use of H/E (that is also called “elasticity index”) in complicated formulas for brittle parameter, yield strength, toughness, and so-called “true hardness” is also in error. The use of H/E cannot reveal the true qualities of materials without considering phase-transitions under load that require the correct exponent 3/2 on h for the loading curves (instead of disproved 2). This is exemplified with the physical data of different mollusk shells that experience phase-transitions, a new bionics model, and different contributions for their strengthening. The data are compared to the ones of aragonite and calcite and vaterite.","PeriodicalId":68199,"journal":{"name":"材料物理与化学进展(英文)","volume":"11 1","pages":"45-57"},"PeriodicalIF":0.0,"publicationDate":"2021-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46827130","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

Analysis of Rolling Contact Bearings Test Data by the Bımodal Method 用Bımodal方法分析滚动接触轴承试验数据

材料物理与化学进展(英文) Pub Date : 2021-01-20 DOI: 10.4236/AMPC.2021.111001

Y. Meged

引用次数: 1