Article
Materials Science, Multidisciplinary
Shi Cheng, Jin Ke, Mengyu Yao, Hongwei Shao, Jielong Zhou, Ming Wang, Xiongfa Ji, Guoqing Zhong, Feng Peng, Limin Ma, Yu Zhang
Summary: A 3D porous Ta scaffold with low elastic modulus was fabricated using selective laser melting (SLM), with Sr incorporated on the surface to improve osteointegration ability. The Sr-incorporated scaffolds exhibited stable Sr ion release and enhanced osteogenic and angiogenic behavior in vitro and in vivo, showing promising use in orthopedic implants.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Nanoscience & Nanotechnology
Hao Liu, Ranli Gu, Wei Li, Lijun Zeng, Yuan Zhu, Boon Chin Heng, Yunsong Liu, Yongsheng Zhou
Summary: A cell-free scaffold engineering strategy that integrates strontium and highly bioactive serum exosomes has been developed for the treatment of large bone defects. The scaffold can maintain bone morphological characteristics and accelerate bone formation through controlled release of strontium, while the serum exosomes extracted from the fracture rabbit model promote osteogenesis and angiogenesis. The SrTi scaffold + BF EXO composite significantly accelerates bone repair in the radial critical bone defect of rabbits.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
He Xia, Lun Dong, Min Hao, Yuan Wei, Jiazhi Duan, Xin Chen, Liyang Yu, Haijun Li, Yuanhua Sang, Hong Liu
Summary: This study prepared hybrid nanostructured scaffolds using chitosan and hydroxyapatite nanowires to simulate the structure of cancellous bone, promoting cell adhesion and migration. The scaffolds provide space for stem cell proliferation and differentiation, with induced mechanical property changes regulating cell differentiation toward osteoblasts.
FRONTIERS IN CHEMISTRY
(2021)
Article
Engineering, Biomedical
Jin Woong Lee, Sudong Chae, Seungbae Oh, Dai-Hwan Kim, Si Hyun Kim, Seung Jae Kim, Jae-Young Choi, Jung Heon Lee, Si Young Song
Summary: A 3D hydrogel enhanced with Mo3Se3- IMWs was developed for osteogenesis and bone formation, showing improved mechanical properties and biocompatibility. In vivo evaluations revealed significantly improved new bone regeneration compared to the control hydrogel without Mo3Se3- IMW.
ADVANCED HEALTHCARE MATERIALS
(2023)
Article
Biotechnology & Applied Microbiology
Kenny Man, Mathieu Y. Brunet, Sophie Louth, Thomas E. Robinson, Maria Fernandez-Rhodes, Soraya Williams, Angelica S. Federici, Owen G. Davies, David A. Hoey, Sophie C. Cox
Summary: The study showed that 3D printed titanium scaffolds coated with hydroxyapatite can enhance the therapeutic efficacy of osteoblast-derived EVs. Triangle pore scaffolds significantly increased osteoblast mineralization and EV yield, demonstrating the potential for bone repair. Coating with bone-mimetic nano-needle hydroxyapatite further improved osteoblast mineralization and EV production, highlighting the importance of harnessing bone-mimetic culture platforms for regenerative medicine.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2021)
Article
Engineering, Biomedical
Ting Pan, Wenjing Song, Hongbao Xin, Haiyue Yu, He Wang, Dandan Ma, Xiaodong Cao, Yingjun Wang
Summary: Bone defects pose a major threat to human health and the demand for bone tissue regeneration is increasing worldwide. This study highlights the importance of finding a balance between the degradation behavior of scaffolds and the release profile of miRNA for successful bone repair. The findings provide valuable insights for designing bioactive scaffolds for tissue regeneration.
BIOACTIVE MATERIALS
(2022)
Review
Biotechnology & Applied Microbiology
Arezoo Saberi, Maryam Kouhjani, Marzieh Mohammadi, Leticia Hosta-Rigau
Summary: Currently, using bone-mimicking scaffolds to promote osteogenesis and angiogenesis is an effective method to overcome the challenge of treating critical size bone defects. Incorporating bioactive agents like growth factors, genes, and small molecules into these scaffolds has emerged as a promising strategy. Researchers have developed scaffolds incorporating nanoparticles and conducted related studies to maximize the synergistic effects of osteogenesis and angiogenesis.
JOURNAL OF NANOBIOTECHNOLOGY
(2023)
Article
Materials Science, Biomaterials
Xiongcheng Xu, Long Xiao, Yanmei Xu, Jin Zhuo, Xue Yang, Li Li, Nianqi Xiao, Jing Tao, Quan Zhong, Yanfen Li, Yuling Chen, Zhibin Du, Kai Luo
Summary: The study developed a PCL/LAP scaffold with excellent bioactivity using 3D printing technology, promoting osteogenic differentiation and angiogenesis of bone marrow mesenchymal stem cells, resulting in significant enhancement of vascularized bone formation in a calvarial defect model.
REGENERATIVE BIOMATERIALS
(2021)
Article
Biotechnology & Applied Microbiology
Hao Pan, Li Deng, Lingwei Huang, Qi Zhang, Jing Yu, Yueyue Huang, Lei Chen, Jiang Chang
Summary: Biomaterial-based bone grafts have been shown to be effective in treating large bone defects, and this study highlights the importance of immunomodulation and immune-regulated bone regeneration in addition to the direct interaction between scaffolds and bone-related cells. The study presents a three-dimensional printed silicate bioceramic scaffold with well-defined pore structures, which has the potential to be an implantable biomaterial for bone repair.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2022)
Article
Engineering, Biomedical
Xiaoyu Han, Mingjie Sun, Bo Chen, Qimanguli Saiding, Junyue Zhang, Hongliang Song, Lianfu Deng, Peng Wang, Weiming Gong, Wenguo Cui
Summary: A composite scaffold inspired by lotus seedpods was developed, utilizing deferoxamine (DFO) release to promote rapid growth of internal blood vessels and enhance vascular formation and osteogenic differentiation, ultimately reducing bone repair time significantly.
BIOACTIVE MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Jin Zhang, Dongmei Tong, Honghai Song, Renjie Ruan, Yifu Sun, Yandai Lin, Jun Wang, Linxi Hou, Jiayong Dai, Jianxun Ding, Huanghao Yang
Summary: Engineering a biomimetically hierarchical scaffold can improve bone tissue regeneration by facilitating the balance of the immune system and bone metabolism. The scaffold exhibits strong immunomodulatory, intensive angiogenic, weak osteoclastogenic, and superior osteogenic abilities, providing a valuable foundation and inspiration for large-scale bone defect repair.
ADVANCED MATERIALS
(2022)
Article
Polymer Science
Eisner Salamanca, Cheuk Sing Choy, Lwin Moe Aung, Ting-Chia Tsao, Pin-Han Wang, Wei-An Lin, Yi-Fan Wu, Wei-Jen Chang
Summary: This study evaluated the properties and efficacy of PLA/FN in 3D-printed alloplastic bone grafts. The results showed that the PLA/FN grafts promoted osteogenesis in vitro and had great potential for customized bone regeneration.
Article
Biophysics
Rongrong Guo, Jian Li, Chuntao Chen, Miao Xiao, Menghui Liao, Yangnan Hu, Yun Liu, Dan Li, Jun Zou, Dongping Sun, Vincent Torre, Qi Zhang, Renjie Chai, Mingliang Tang
Summary: Research has introduced a novel scaffold for culturing neural stem cells, promoting their growth and differentiation into neurons to form neural networks. This scaffold shows good biocompatibility with neurons and enhances neuronal network activities. Additionally, RNA-Seq analysis identified genes and signaling pathways, suggesting potential for further studies in understanding neural stem cell biology.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2021)
Article
Biophysics
Upasana Ghimire, Rupesh Kandel, Sita Shrestha, Joon Yeon Moon, Se Rim Jang, Bishnu Kumar Shrestha, Chan Hee Park, Cheol Sang Kim
Summary: Fabricating bioartificial bone graft ceramics with properties similar to native stem-cell niches is challenging. Infections caused by microbial invasion are also a concern. In this study, biomimetic porous scaffolds were developed, which significantly improved biocompatibility, osteo-regeneration, mechanical strength, and antibacterial properties. These scaffolds showed superior performance compared to conventional scaffolds, making them promising for bone tissue regeneration.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2023)
Article
Engineering, Biomedical
Yazhuo Huang, Lingyu Zhang, Yongrong Ji, Hongpei Deng, Mingce Long, Shengfang Ge, Yanjie Su, Siew Yin Chan, Xian Jun Loh, Ai Zhuang, Jing Ruan
Summary: In this study, a noninvasive and intelligent monitoring scaffold was developed using carboxylated carbon nanotubes (CNTs) integrated into chemically cross-linked carboxymethyl chitosan hydrogel. The CNT scaffold exhibited improved mechanical properties, good biocompatibility, and electrochemical responsiveness. It could sensitively monitor cell differentiation degree and enhance stem cell osteogenic differentiation for new bone tissue formation.
BIOACTIVE MATERIALS
(2023)
Article
Polymer Science
Deepak Patil, Vibhanshu Golia, Maya Overland, Marshall Stoller, Kaushik Chatterjee
Summary: This study used the reactive ion etching (RIE) technique to create cicada wing-inspired nanotopography on commercially pure (CP) nitrile sheets and nitrile gloves for medical use. The etched nitrile surfaces showed reduced bacterial colonization and membrane damage against P. aeruginosa. These findings have implications in designing next-generation personal protective gear and other important applications in the age of antimicrobial resistance.
Review
Materials Science, Biomaterials
Shivani Chaudhary, Doyel Ghosal, Pravesh Tripathi, Sachin Kumar
Summary: The properties of biomaterials significantly influence a cell's ability to adhere to its surface and regulate cell functioning. No generalized rule has been established to predict cellular processes on biomaterial surfaces. Recent studies have identified cellular metabolism as another critical aspect that regulates cell behavior. This review highlights how different physiochemical properties of scaffolds influence cell metabolism and emphasizes the importance of cell metabolism as a guiding principle for tissue engineering.
BIOMATERIALS SCIENCE
(2023)
Article
Engineering, Biomedical
Monika Rajput, Sagar Nilawar, Kaushik Chatterjee
Summary: Porous PLA scaffolds were prepared by fused filament fabrication, and a silk fibroin-alginate (SF/Alg) blend hydrogel loaded with hMSCs was loaded into the scaffold's pores. The gel-loaded PLA scaffolds showed stability, significant enhancement of hMSC proliferation and viability, and higher osteogenic differentiation. This combination offers a promising route for enhancing the bioactivity of 3D-printed PLA scaffolds.
REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE
(2023)
Article
Biochemistry & Molecular Biology
Sushma Indrakumar, Akshat Joshi, Tapan Kumar Dash, Vivek Mishra, Bharat Tandon, Kaushik Chatterjee
Summary: The future of burn wound treatment lies in developing bioactive dressings for faster and more effective healing and regeneration. Silk fibroin (SF) hydrogels have proven regenerative abilities and are being explored as a burn wound dressing. A white light-responsive photopolymerization technique was adapted for gelation via photooxidation of tyrosine. The SF gel-incorporated dressing (SFD) fabricated using this technique showed moisture balance ability, cytocompatibility, and scarless healing in an in vivo test.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Biophysics
Deepak Patil, Sushma Kumari, Kaushik Chatterjee
Summary: This study presents an innovative spin-coating setup to generate nanotopography on 3D-printed polymer scaffolds, which exhibit excellent bactericidal and osteogenic activities. The nanostructured PLA surface showed a high bactericidal effect on P. aeruginosa and S. aureus, while also supporting pre-osteoblast attachment and proliferation. This work has important implications for engineering next-generation 3D printed bioactive tissue scaffolds.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2023)
Article
Polymer Science
Joel P. Joseph, Sriram Bharath Gugulothu, Dipankar Nandi, Kaushik Chatterjee
Summary: T cells play a critical role in the immune response and their activation and response can be influenced by the 3D bioprinted matrix and its stiffness. The study reveals differences between 2D and 3D cultures and the impact of matrix stiffness on T cell activation and cytokine release.
Article
Materials Science, Multidisciplinary
Pritiranjan Mondal, Arkodip Mandal, Kaushik Chatterjee
Summary: A generalizable 4D bioprinting technique using graded semi-interpenetrating network (IPN) hydrogels is presented, showing rapid and sequential shape-morphing transformations in two opposite directions upon immersion in water. The bi-directional shape morphing behavior is achieved through anisotropic water uptake and subsequent water redistribution. The study demonstrates the precise programming of spatiotemporal characteristics by rationally designing dual-component hydrogel systems. The hydrogels have the potential to revolutionize the design of soft, deployable devices for minimally invasive drug delivery in the human body.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Nanoscience & Nanotechnology
Nasera Rizwana, Namrata Maslekar, Kaushik Chatterjee, Yin Yao, Vipul Agarwal, Manasa Nune
Summary: This study developed a multimodal bioink that serves as both a cell carrier and a free radical scavenger for treating peripheral nerve injury. Good printability of the bioink and shape fidelity of the bioprinted structure were achieved using a dual crosslinking method. A cell viability study demonstrated that the cells remained compatible and viable even after the printing process.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Snigdha Roy Barman, Pratik Gavit, Saswat Chowdhury, Kaushik Chatterjee, Amit Nain
Summary: Water pollution is a growing threat, and 3D printing technology shows promise in wastewater treatment. It allows for the fabrication of customized ultrathin membranes and various membrane components, highlighting its unique advantages and potential applications.
Article
Chemistry, Multidisciplinary
Sriram Bharath Gugulothu, Sonal Asthana, Shervanthi Homer-Vanniasinkam, Kaushik Chatterjee
Summary: Three-dimensional bioprinting technologies using photopolymerizable bioinks have gained significant attention for their ability to recreate complex structures with high resolution, mechanical stability, and suitable printing conditions for cell encapsulation. These technologies offer better understanding of tumor microenvironment and platforms for drug screening in cancer research.
Article
Chemistry, Physical
Parul Yadav, Rahul Shah, Anindo Roy, Sibani Jani, Kaushik Chatterjee, Deepak Kumar Saini
Summary: This study elucidates the role of scaffold architecture in the cellular senescence program, by observing the differences in cellular responses, it is found that three-dimensional scaffolds can significantly alter cell size and induce senescence compared to two-dimensional culture formats.
Article
Polymer Science
Deepak Patil, Vibhanshu Golia, Maya Overland, Marshall Stoller, Kaushik Chatterjee
Summary: This study demonstrates the fabrication of cicada wing-inspired nanotopography on nitrile surfaces using reactive ion etching. The etched surfaces effectively minimized bacterial colonization by inducing membrane damage.
Review
Materials Science, Biomaterials
Akshat Joshi, Saswat Choudhury, Sonal Asthana, Shervanthi Homer-Vanniasinkam, Uma Nambiar, Kaushik Chatterjee
Summary: The latest advancements in 4D fabrication techniques have proved beneficial in creating customized and self-fitting structures that can improve the treatment of nerve injuries. These techniques offer the potential for dynamic implants that can overcome the drawbacks of traditional approaches and improve patient outcomes.
BIOMATERIALS SCIENCE
(2023)
Article
Materials Science, Biomaterials
Sumit Ghosh, Sushma Indrakumar, Santanu Ghosh, Vasanth Gopal, Sagar Nilawar, Geetha Manivasagam, Jayanth S. Kesave, Satyam Suwas, Kaushik Chatterjee
Summary: This study investigates the effects of surface mechanical attrition treatment (SMAT) on 316L stainless steel implants fabricated by selective laser melting (SLM). The results show that SMAT can improve the corrosion resistance, wear resistance, and biological performance of the implants in in vitro and in vivo environments.
JOURNAL OF MATERIALS CHEMISTRY B
(2023)
Article
Chemistry, Physical
Anindo Roy, Deepak Patil, Prasad K. D. V. Yarlagadda, Kaushik Chatterjee
Summary: This study investigates the antibacterial and antibiofouling properties of bioinspired high aspect ratio nanostructures generated on poly(ethylene terephthalate) (PET) surfaces. The results show that these structures effectively neutralize Gram-negative bacterial contamination but are unable to inactivate Gram-positive cells. The clustering of the soft, flexible tall nanopillars enhances the stiffness of the structures, and external capillary forces improve the killing efficiency. Additionally, experimental and computational investigations demonstrate the durability of the nanostructured surfaces against daily life forces.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Laetitia Bardet, Herve Roussel, Stefano Saroglia, Masoud Akbari, David Munoz-Rojas, Carmen Jimenez, Aurore Denneulin, Daniel Bellet
Summary: The thermal instability of silver nanowires leads to increased electrical resistance in AgNW networks. Understanding the relationship between structural and electrical properties of AgNW networks is crucial for their integration as transparent electrodes in flexible optoelectronics. In situ X-ray diffraction measurements were used to study the crystallographic evolution of Ag-specific Bragg peaks during thermal ramping, revealing differences in thermal and structural transitions between bare and SnO2-coated AgNW networks.
Article
Chemistry, Multidisciplinary
Nathalia Cancino-Fuentes, Arnau Manasanch, Joana Covelo, Alex Suarez-Perez, Enrique Fernandez, Stratis Matsoukis, Christoph Guger, Xavi Illa, Anton Guimera-Brunet, Maria V. Sanchez-Vives
Summary: This study provides a comprehensive characterization of graphene-based solution-gated field-effect transistors (gSGFETs) for brain recordings, highlighting their potential clinical applications.
Article
Chemistry, Multidisciplinary
Sikandar Aftab, Hailiang Liu, Dhanasekaran Vikraman, Sajjad Hussain, Jungwon Kang, Abdullah A. Al-Kahtani
Summary: This study examines the effects of hybrid nanoparticles made of NiO@rGO and NiO@CNT on the active layers of polymer solar cells and X-ray photodetectors. The findings show that these hybrid nanoparticles can enhance the charge carrier capacities and exciton dissociation properties of the active layers. Among the tested configurations, the NiO@CNT device demonstrates superior performance in converting sunlight into electricity, and achieves the best sensitivity for X-ray detection.
Article
Chemistry, Multidisciplinary
Hyo Jung Shin, Seung Gyu Choi, Fengrui Qu, Min-Hee Yi, Choong-Hyun Lee, Sang Ryong Kim, Hyeong-Geug Kim, Jaewon Beom, Yoonyoung Yi, Do Kyung Kim, Eun-Hye Joe, Hee-Jung Song, Yonghyun Kim, Dong Woon Kim
Summary: This study investigates the role of SOX9 in reactive astrocytes following ischemic brain damage using a PLGA nanoparticle plasmid delivery system. The results demonstrate that PLGA nanoparticles can reduce ischemia-induced neurological deficits and infarct volume, providing a potential opportunity for stroke treatment.
Article
Chemistry, Multidisciplinary
Anurag Chaudhury, Koushik Debnath, Nikhil R. Jana, Jaydeep K. Basu
Summary: The study investigates the interaction between nanoparticles and cell membranes, and identifies key parameters, including charge, crowding, and membrane fluidity, that determine the adsorbed concentration and unbinding transition of nanoparticles.
Article
Chemistry, Multidisciplinary
Sina Sadeghi, Fazel Bateni, Taekhoon Kim, Dae Yong Son, Jeffrey A. Bennett, Negin Orouji, Venkat S. Punati, Christine Stark, Teagan D. Cerra, Rami Awad, Fernando Delgado-Licona, Jinge Xu, Nikolai Mukhin, Hannah Dickerson, Kristofer G. Reyes, Milad Abolhasani
Summary: In this study, an autonomous approach for the development of lead-free metal halide perovskite nanocrystals is presented, which integrates a modular microfluidic platform with machine learning-assisted synthesis modeling. This approach enables rapid and optimized synthesis of copper-based lead-free nanocrystals.
Article
Chemistry, Multidisciplinary
Zahir Abbas, Nissar Hussain, Surender Kumar, Shaikh M. Mobin
Summary: The rational construction of free-standing and flexible electrodes for electrochemical energy storage devices is an emerging research focus. In this study, a redox-active metal-organic framework (MOF) was prepared on carbon nanofibers using an in situ approach, resulting in a flexible electrode with high redox-active behavior and unique properties such as high flexibility and lightweight. The prepared electrode showed excellent cyclic retention and rate capability in supercapacitor applications. Additionally, it could be used as a freestanding electrode in flexible devices at different bending angles.
Article
Chemistry, Multidisciplinary
Lishan Zhang, Xiaoting Zhang, Hui Ran, Ze Chen, Yicheng Ye, Jiamiao Jiang, Ziwei Hu, Miral Azechi, Fei Peng, Hao Tian, Zhili Xu, Yingfeng Tu
Summary: Photodynamic therapy (PDT) is a promising local treatment modality in cancer therapy, but its therapeutic efficacy is restricted by ineffective delivery of photosensitizers and tumor hypoxia. In this study, a phototactic Chlorella-based near-infrared (NIR) driven green affording-oxygen microrobot system was developed for enhanced PDT. The system exhibited desirable phototaxis and continuous oxygen generation, leading to the inhibition of tumor growth in mice. This study demonstrates the potential of using a light-driven green affording-oxygen microrobot to enhance photodynamic therapy.
Article
Chemistry, Multidisciplinary
Yujin Li, Jing Xu, Xinqi Luo, Futing Wang, Zhong Dong, Ke-Jing Huang, Chengjie Hu, Mengyi Hou, Ren Cai
Summary: In this study, hollow heterostructured materials were constructed using an innovative template-engaged method as cathodes for zinc-ion batteries. The materials exhibited fast Zn2+ transport channels, improved electrical conductivity, and controlled volume expansion during cycling. The designed structure allowed for an admirable reversible capacity and high coulombic efficiency.
Article
Chemistry, Multidisciplinary
Paritosh Mahato, Shashi Shekhar, Rahul Yadav, Saptarshi Mukherjee
Summary: This study comprehensively elucidates the role of the core and electrostatic surface of metal nanoclusters in catalytic reduction reactions. The electrostatic surface dramatically modulates the reactivity of metal nanoclusters.
Article
Chemistry, Multidisciplinary
Pei Liu, Mengdi Liang, Zhengwei Liu, Haiyu Long, Han Cheng, Jiahe Su, Zhongbiao Tan, Xuewen He, Min Sun, Xiangqian Li, Shuai He
Summary: This study demonstrates a simple and environmentally-friendly method for the synthesis of zinc oxide nanozymes (ZnO NZs) using wasted hop extract (WHE). The WHE-ZnO NZs exhibit exceptional peroxidase-like activity and serve as effective catalysts for the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). In addition, a straightforward colorimetric technique for detecting both H2O2 and glucose was developed using the WHE-ZnO NZs as peroxidase-like catalysts.
Article
Chemistry, Multidisciplinary
Hyunkyu Oh, Young Jun Lee, Eun Ji Kim, Jinseok Park, Hee-Eun Kim, Hyunsoo Lee, Hyunjoo Lee, Bumjoon J. Kim
Summary: Mesoporous carbon particles have unique structural properties that make them suitable as support materials for catalytic applications. This study investigates the impact of channel nanostructures on the catalytic activity of porous carbon particles (PCPs) by fabricating PCPs with controlled channel exposure on the carbon surface. The results show that PCPs with highly open channel nanostructures exhibit significantly higher catalytic activity compared to those with closed channel nanostructures.
Article
Chemistry, Multidisciplinary
Yunjie Lu, Zhaohui Li, Zewei Li, Shihao Zhou, Ning Zhang, Jianming Zhang, Lu Zong
Summary: A tough, long-lasting adhesive and highly conductive nanocomposite hydrogel (PACPH) was fabricated via the synergy of interfacial entanglement and adhesion group densification. PACPH possesses excellent mechanical properties, interfacial adhesion strength, and conductivity, making it a promising material for long-term monitoring of human activities and electrocardiogram signals.
Article
Chemistry, Multidisciplinary
Zichao Wei, Audrey Vandergriff, Chung-Hao Liu, Maham Liaqat, Mu-Ping Nieh, Yu Lei, Jie He
Summary: We have developed a simple method to prepare polymer-grafted plasmonic metal nanoparticles with pH-responsive surface-enhanced Raman scattering. By using pH-responsive polymers as ligands, the aggregation of nanoparticles can be controlled, leading to enhanced SERS. The pH-responsive polymer-grafted nanoparticles show high reproducibility and sensitivity in solution, providing a novel approach for SERS without the need for sample pre-concentration.
Article
Chemistry, Multidisciplinary
Melis Ozge Alas Colak, Ahmet Gungor, Merve Buldu Akturk, Emre Erdem, Rukan Genc
Summary: This research investigates the effect of functionalizing carbon dots with hydroxyl polymers on their performance as electrode materials in a supercapacitor. The results show that the functionalized carbon dots exhibit excellent electrochemical performance and improved stability.
