CAS 7440-05-3 Pd nanopowder Ultrafine Palladium as catalyst
Size:20-30nm Purity:99.95% CAS No:7440-05-3 ENINEC No.:231-115-6 Appearance:black Powder Shape:spherical
Size:20-30nm Purity:99.95% CAS No:7440-05-3 ENINEC No.:231-115-6 Appearance:black Powder Shape:spherical
We can supply different size products of niobium silicide powder according to client's requirements. Size:1-3um; Purity:99.5%;Shape:granular CAS No:12034-80-9;ENINEC No.:234-812-3
Ni2Si particle,99.5% purity,granular shape,is used for Microelectronic integrated circuit, nickel silicide film,etc. Size:1-10um; CAS No:12059-14-2;ENINEC No.:235-033-1
Electrolysis of water to produce hydrogen (HER) is the core technology for obtaining "green hydrogen", but existing precious metal catalysts (such as platinum) are expensive and difficult to apply on a large scale. Scientists are turning their attention to the two-dimensional material MXene. The currently synthesized MXenes mainly come from MAX phase precursors, and the controlled synthesis of tungsten based MXenes is extremely challenging due to the instability predicted by calculations. Therefore, finding suitable synthesis strategies to prepare efficient HER catalysts still faces many challenges. On March 28, 2025, the journal Nature Synthesis reported that researchers used theoretical calculations to guide precise etching of covalently bonded tungsten layers, obtaining atomically ordered W2TiC2Tx MXene and solving the problem of interlayer delamination. In this work, researchers predicted the etching feasibility of tungsten layers in (W, Ti) 4C4 ₋ y through DFT calculations and found that excessive aluminum doping (2Al precursor) can reduce oxygen impurities and promote selective etching. They synthesized ordered double transition metal MXene (W2TiC2Tx) by selectively etching covalently bonded tungsten layers from non MAX layered carbide (W, Ti) 4C4-y precursors using HCl LiF. Research has shown that the peeled W2TiC2Tx MXene exhibits excellent HER performance, with an overpotential of only 144mV at a current density of 10mA cm-2, far superior to existing W1.33CtX MXene. DFT shows that the hydrogen adsorption free energy (Δ Gad=-0.37eV) of the W-Ti3 coordination site on the tungsten titanium mixed surface is close to thermal neutrality and superior to that of the pure tungsten surface (Δ Gad=-1.79eV). In addition, the material has a high conductivity of 427 Scm-1 at room temperature, which conforms to the variable range hopping model (VRH), indicating that interlayer electron transport is dominant. Under 800nm femtosecond laser, the material exhibits anti saturation absorption behavior, and its high conductivity and stability make it potentially valuable in optoelectronic and laser applications. This study breaks through the traditional synthesis paradigm of MXene and provides new ideas for constructing efficient HER catalysts and novel 2D materials. Literature name: Synthesis of a 2D tungsten MXene for electrocatalysis。 SAT NANO is a best supplier of MXene powder in China, we can offer a series of MXene powder like Ti3C2, Nb2CTx, V2CTx, Mo2CTx, Ti3CN, Mo2CN, Mo2CBx, etc., if you have any enquiry, please feel free to contact us at admin@satnano.com
Read MoreThe powder metallurgy industry, as an important component of the new materials field, plays a crucial role in promoting the transformation and upgrading of China's manufacturing industry. Powder metallurgy technology, due to its unique process advantages, optimizes material properties to meet the diverse needs of various complex working conditions and meet the diverse demands of different customers. In the field of automobile manufacturing, powder metallurgy high-precision component products not only effectively reduce the weight of the entire vehicle, but also optimize the power transmission of the car, improve the safety of the braking system, and effectively promote the development of the automotive industry towards higher performance. The application fields are becoming increasingly wide, and the development potential is very strong. In the aerospace field, high-strength and high-temperature resistant powder metallurgy products are indispensable, providing strong guarantees for the safe operation of aircraft. In addition, powder metallurgy products have varying degrees of applications in household appliances, machinery manufacturing, electronic information, aerospace, biomedicine, and other fields, playing an important role in promoting and supporting the development of the entire advanced manufacturing market. So, how can we help powder metallurgy enterprises move towards higher levels? Perhaps this exhibition can give you the answer! As the flagship exhibition of the global powder metallurgy industry, PM CHINA has been committed to building a high-quality platform for brand promotion and market expansion for enterprises for 17 years, providing important opportunities for their development. The exhibition scale is second to none! For powder metallurgy enterprises, participating in the world's largest industry flagship exhibition allows them to have in-depth exchanges with tens of thousands of industry professionals from around the world and across the country, accurately grasp customer needs, gain insights into industry trends, expand cooperation channels in multiple ways, and effectively enhance brand influence! The 17th Grand Ceremony will be held grandly at the Shanghai World Expo Exhibition and Convention Center from March 10-12, 2025! At that time, a variety of high-precision components and innovative solutions from the powder metallurgy industry will be showcased. SAT NANO welcomes customers from all over the world to visit us. We can provide metal powders required for powder metallurgy, such as copper powder, nickel powder, tungsten powder, and other products. We warmly welcome you to send your enquiry at admin@satnano.com
Read MoreMelanoma is a highly invasive skin cancer, and its treatment faces challenges such as difficulty in penetrating the skin barrier with drugs and systemic side effects. As a unique transdermal drug delivery method, microneedles have many advantages such as painlessness, easy operation, and high patient compliance. However, the existing microneedle technology has problems such as shallow drug delivery depth and single treatment methods, which limit the application and promotion of this technology. On July 11, 2024, Advanced Functional Materials reported that researchers have utilized a rocket microneedle drug delivery system that can achieve deep drug delivery through a self-propelled mechanism, demonstrating good efficacy in combination therapy for melanoma. The upper layer of the microneedle (MN) system in this work is composed of mesoporous silica nanoparticles with photodynamic activity, characterized by covalent bonding of photosensitizers and loading of trametinib (TRA) into the mesopores. TRA is a targeted small molecule drug that targets melanoma cells with excessive activation of the MEK pathway. The lower layer of the microneedles is composed of enzyme cross-linked HA Tyr hydrogel and collagenase (CLG), which can act as a rocket booster to promote the deep penetration of nanoparticles by remodeling the extracellular matrix (ECM) of tumor tissue. Researchers designed three types of microneedles, and test results showed that PcNP/TRA-HA-Tyr (II)/CLG-MN had the deepest penetration into tumor tissue and the longest retention time in vivo. Photodynamic therapy after administration can significantly inhibit the growth of A375 transplanted tumors in mice. When the "rocket microneedle" penetrates the skin epidermis, the upper and lower layers of MN separate. The lower layer of MN expands under the skin to form hydrogel, which regulates the release of CLG, thus reshaping the compact ECM and promoting the diffusion and distribution of drugs. Meanwhile, the mesoporous silica nanoparticles (PcNP/TRA) in the upper layer of MN penetrate deep into the tumor and are internalized by melanoma cells. On the one hand, TRA targets the over activated MEK pathway in melanoma cells, reducing the phosphorylation level of ERK kinase. On the other hand, Pc Si responds to external infrared light stimulation to generate reactive oxygen species, achieving PDT therapy for melanoma. Ultimately, targeted therapy and PDT therapy work together to efficiently kill tumor cells and inhibit melanoma growth. This study provides a new approach for deep penetration of drugs and combined treatment of melanoma, and offers new ideas for the application of microneedle technology in the treatment of important diseases. From Article:A Multifunctional Rocket-Like Microneedle System with Thrusters for Self-Promoted Deep Drug Penetration and Combination Treatment in Melanoma SAT NANO is a best supplier of mesoporous silicon dioxide nanoparticles in China, we can offer 60-80nm, 100-150...
Read MoreBladder cancer, especially non muscle invasive bladder cancer (NMIBC), is the most common malignant tumor of the urinary system. Although cisplatin based chemotherapy has shown significant clinical efficacy as a first-line treatment, its therapeutic effect is still limited for patients with lymphatic vascular invasion (LVI). The formation of LVI is closely related to platelets, which not only hinder drug delivery but also protect tumor cells from chemotherapy-induced cell death and immune attacks. Therefore, inhibiting platelet function has become a key strategy to prevent LVI formation and enhance cisplatin anti-tumor activity. On August 13, 2024, Nano Letters reported that researchers have designed siliceous bodies modified with CREKA peptides（ CREKA@LPT-MSNC ）Nanodrugs achieve targeted inhibition of LVI formation and significantly improve the chemotherapy effect of bladder cancer. This nanomedicine has a core-shell structure, where tirofiban is preferentially loaded into the CREKA modified liposome shell, while cisplatin is embedded in the mesoporous silica nanoparticle core. Experimental results have shown that, CREKA@LPT-MSNC Nanoparticles not only prolong blood circulation, but also have excellent tumor targeting ability, which helps to increase drug concentration at the tumor site while reducing the side effects of antiplatelet therapy. The anti-tumor effect in vivo shows that, CREKA@LPT-MSNC Effectively inhibited the formation of LVI and increased the permeability of tumor blood vessels, thereby improving the drug delivery efficiency within the tumor, promoting the exposure of tumor cells to cisplatin, and ultimately improving the therapeutic effect of cisplatin. In addition, the nanomedicine also has an effective inhibitory effect on tumor metastasis, demonstrating excellent biosafety and biocompatibility. This study not only provides new ideas and methods for the precise treatment of bladder cancer, but also provides a model for the treatment of other types of tumors. From Article:Targeted Inhibition of Lymphovascular Invasion Formation with CREKA Peptide-Modified Silicasomes to Boost Chemotherapy in Bladder Cancer SAT NANO is a best supplier of mesoporous silica nanoparticle in China, we can supply 60-80nm, 100-150nm. If you have any enquiry, please feel free to contact us at admin@satnano.com
Read MoreThe current research on tumor fibrosis mainly focuses on cancer associated fibroblasts, which may play a dual role in promoting and inhibiting tumors. However, whether tumor cells themselves can undergo fibrosis transformation and inhibit parenchymal cells like pulmonary fibrosis to achieve the goal of inhibiting malignant progression of tumors has received less attention. On August 29, 2024, Advanced Science reported that researchers used mesoporous silica nanoparticles (MSN) loaded with trehalose mycorrhizal ester (TDM) to induce tumor cell fibrosis through the dual effects of TDM induced inflammatory granulomas and MSN induced foreign body granulomas. In this work, researchers prepared novel nanoparticles loaded with MSN and TDM, and utilized the dual induction of fibrosis by MSN and TDM to construct a mouse subcutaneous loaded tumor model. They observed its anti-tumor effect and the possibility of inhibiting tumor malignant progression by inducing tumor cell fibroblast transformation, in order to develop a new anti-tumor strategy. Combining in vitro and in vivo studies, it has been shown that TDM/MSN (TM) can effectively enter solid tumors and induce tumor fibrosis, manifested by collagen internalization and inhibition of proliferation and invasion ability, suggesting a potential role in the treatment of tumor fibrosis. But further research has found that extracellular DNA (ecDNA) mediates resistance to fibrosis induction. In order to comprehensively improve the therapeutic effect, WRN nuclease binds with TM to form a novel nanoparticle (TMW), which can effectively clear ecDNA and promote fibroblast like transformation of tumor cells. Its inhibitory effect on cancer progression has been verified in the PDX model. This study reveals the potential of TDM/MSN-WRN (TMW) to induce fibroblast like transformation and related intracellular collagen deposition in tumor cells, thereby inhibiting malignant progression of tumors. It provides a new paradigm for anti-tumor therapy and offers a new theoretical basis and strategy for designing anti-tumor drugs. SAT NANO is a best supplier of mesoporous silica nanoparticles in China, we can offer 60-80nm, 100-150nm, if you have any enquiry, please feel free to contact us at admin@satnano.com
Read MoreThe 14th China International Nanotechnology Exhibition (Nanotech China®) is just around the corner! This annual event has been the most authoritative, influential, and largest-scale international exhibition in the field of nanotechnology application in China since its first launch in 2010. The conference will be held from October 23rd to 25th, 2024. SAT NANO is excited to be a part of this grand event. This year, the conference will have a specific focus on various fields, including micro-nano manufacturing, third-generation semiconductors, flexible printed electronics, nanoscale imprinting, fiber/gel/imaging materials, optoelectronics/lasers, new displays, analysis and detection, and nanotechnology applications. With over 2400 nanotechnology-related companies participating in the conference, the exhibition space of the conference has increased by approximately 10% and will cover an area of 24,000 square meters. The conference will have one main exhibition area and three special exhibition areas, including 520 standard booths and six special exhibition groups. Some of the most renowned scientists, industry experts, and entrepreneurs from around the world have been invited to participate in the conference. This year, the conference has invited more than 20 domestic and foreign academicians, as well as over 450 experts and scholars from government entities and universities. In addition, there will be over a hundred international speakers invited to the main report and subforum speeches. SAT NANO will showcase its latest and most advanced nanotechnology production technology. The company specializes in producing and selling nano metal powders, oxide powders, carbide powders, alloy powders, and quantum dots. SAT NANO is excited to participate in the conference and share its technological advancements and market insights with the industry. We hope to see you in person at our booth at the 14th China International Nanotechnology Exhibition in Shanghai. Our team is looking forward to discussing the latest developments in the field of nanoscience with you and how SAT NANO can provide unique solutions for your company. If you have any enquiry of nanopowder and mircon powder, please feel free to contact us at admin@satnano.com
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