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Abietic acid encapsulated Sn-57Bi alloy nanoparticles as oxidation resistant solder material
Sn-57Bi alloy nanoparticles abietic acid encapsulation metal oxide reduction
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2023/12/21
Low-melting point solder Sn-57Bi alloy nanoparticles were synthesized and encapsulated with abietic acid (aa) thin layer to form a core-shell structure. Formation of nanoparticle enhances its mechanic...
Bio-based antibacterial packaging from decorated bagasse papers with natural rosin and synthesised GO-Ag nanoparticles
Bagasse papers antibacterial activity mechanical tests graphene oxide silver nanoparticles natural gum rosin
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2023/12/1
The growing awareness of the importance of bacterial-resistant surfaces has increased since the COVID-19 pandemic global problem. Therefore, the need for antibacterial surfaces has become urgent. The ...
Nanoarchitectonics of Starch Nanoparticles Rosin Catalyzed by Algerian Natural Montmorillonite (Maghnite-H+) for Enhanced Antimicrobial Activity
Rosin acid Starch Degree of substitution Bronsted and Lewis acid catalyst Antimicrobial activity
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2023/11/30
In this work, potato starch was hydrolyzed by acid (HCl) to form nanoparticles (SNPs) that were esterified with acid Rosin using a green heterogeneous catalyst based on Algerian montmorillonite clay k...
Electron Compensation Effect Suppressed Silver Ion Release and Contributed Safety of Au@Ag Core-Shell Nanoparticles
Au@Ag core-shell electron compensation safety biomedical application
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2023/6/21
Silver nanoparticles (Ag NPs) have promising plasmonic properties, however, they are rarely used in biomedical applications because of their potent toxicity. Herein, an electron compensation effect fr...
Uniform Pd0.33Ir0.67 nanoparticles supported on nitrogen-doped carbon with remarkable activity toward the alkaline hydrogen oxidation reaction
Alkalinity Anodes Binary alloys Carbon Cyclic voltammetry Density functional theory
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2023/6/21
Highly efficient non-Pt electrocatalysts for the alkaline hydrogen oxidation reaction (HOR) are required to enable complete replacement of Pt in hydroxide exchange membrane fuel cells (HEMFCs). Herein...
Engineering aluminum hydroxyphosphate nanoparticles with well-controlled surface property to enhance humoral immune responses as vaccine adjuvants
Aluminum hydroxyphosphate Vaccine adjuvants Staphylococcus aureus
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2023/6/21
Engineering aluminum hydroxyphosphate nanoparticles with well-controlled surface property to enhance humoral immune responses as vaccine adjuvants。
Nanoparticles provoke immune response against tumors but avoid side effects（图）
纳米颗粒 肿瘤 免疫反应
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2023/6/6
Cancer drugs that stimulate the body’s immune system to attack tumors are a promising way to treat many types of cancer. However, some of these drugs produce too much systemic inflammation when delive...
New nanoparticles can perform gene editing in the lungs（图）
纳米粒子 肺部 基因编辑 囊性纤维化
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2023/6/21
Engineers at MIT and the University of Massachusetts Medical School have designed a new type of nanoparticle that can be administered to the lungs, where it can deliver messenger RNA encoding useful p...
Building with nanoparticles, from the bottom up（图）
纳米颗粒 硅芯片 计算机芯片
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2023/6/6
Researchers at MIT have developed a technique for precisely controlling the arrangement and placement of nanoparticles on a material, like the silicon used for computer chips, in a way that does not d...
Engineers develop nanoparticles that cross the blood-brain barrier（图）
血脑屏障 纳米颗粒 胶质母细胞瘤 化疗药物
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2023/6/19
There are currently few good treatment options for glioblastoma, an aggressive type of brain cancer with a high fatality rate. One reason that the disease is so difficult to treat is that most chemoth...
Astonishing diversity: Semiconductor nanoparticles form numerous structures
lead sulfide nanoparticles hexagonal structure BCC
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2021/8/10
The structure adopted by lead sulphide nanoparticles changes surprisingly often as they assemble to form ordered superlattices. This is revealed by an experimental study that has been conducted at DES...
Biocompatible green tea extract-stabilised zinc nanoparticles encapsulated by poly(butyl-2-cyanoacrylate) with control release profile and antioxidative capacity
biocompatible green tea butyl-2-cyanoacrylate GT-Zn-NPs
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2023/4/20
Green tea extract-stabilised Zn nanoparticles (GT-Zn NPs) encapsulated by poly(butyl-2-cyanoacrylate) (PBCA@GT-Zn NPs) were developed for control release of Zn. The crucial parameters, concentrations ...
Facile synthesis of multifunctional bone biochar composites decorated with Fe/Mn oxide micro-nanoparticles: Physicochemical properties, heavy metals sorption behavior and mechanism
biochar composites Fe/Mn oxide micro-nanoparticles heavy metals sorption
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2023/6/5
The value-added utilization of waste resources to synthesize functional materials is important to achieve the environmentally sustainable development. In this work, novel micro-nano FeOx- and MnOx-mod...
Superamphiphobic nanocellulose aerogels loaded with silica nanoparticles
Superamphiphobic Nanocellulose Aerogel Hierarchical structure Silica nanoparticles
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2024/2/29
Superamphiphobic aerogels of cellulose nanofibrils (CNF) were successfully fabricated based on their porous rough structure via the chemical vapor deposition of fluorosilane reagent. FE-SEM images sho...
Nanoparticles may have bigger impact on the environment than previously thought（图）
nanoparticle environment bigger impact on
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2019/10/17
Over the last two decades, nanotechnology has improved many everyday products, from microelectronics to sunscreens. Nanoparticles (particles just a few hundred atoms in size) are ending up in the envi...