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biomimetic design of highly flexible metal oxide nanofibrous membranes with exceptional mechanical performance for superior phosphopeptide enrichment

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Nano Research 2024年第5期17卷 4270-4278页

作者： Xue Mao Zhen-Zhen Li Dong-Lian Hao Wei-Dong Han Gao-Peng Li Yao-Yu Wang Kun Zhang School of Textile Science and Engineering Key Laboratory of Functional Textile Material and Product(Ministry of Education)Xi’an Polytechnic UniversityXi’an 710048China Key Laboratory of Magnetic Molecules&Magnetic Information materials of the Ministry of Education School of Chemistry&Material ScienceShanxi Normal UniversityTaiyuan 030031China Department of Clinical Laboratory The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710004China Shanghai iProteome Biotechnology Co. LtdShanghai 201210China College of Chemistry&materials Science Northwest UniversityXi'an 710127China

Developing free-standing and mechanical robust membrane materials capable of superior enrichment of phosphopeptides for analyzing and identifying the specific phosphoproteome of cancer cells is significant in understanding the molecular mechanisms of cancer development and exploring new therapeutic approaches,but still a significant challenge in materials design.To this end,we firstly constructed highly flexible ZrTiO_(4) nanofibrous membranes(NFMs)with excellent mechanical stability through a cost-effective and scalable electrospinning and subsequent calcination technique.Then,to further increase the enrichment capacity of the phosphopeptide,the biomimetic TiO_(2)@ZrTiO_(4) NFMs with root hair or leaf like branch microstructure are developed by the hydrothermal post-synthetic modification of ZrTiO_(4) NFMs through growing unfurling TiO_(2) nanosheets onto the ZrTiO_(4) nanofibers.Importantly,remarkable flexibility and mechanical stability enable the resulting TiO_(2)@ZrTiO_(4) NFMs excellent practicability,while the biomimetic microstructure allows it outstanding enrichment ability of the phosphopeptide and identification ability of the specific phosphoproteins in the digest of cervical cancer cells.Specifically,6770 phosphopeptides can be enriched by TiO_(2)@ZrTiO_(4) NFMs(2205 corresponding phosphoproteins can be identified),and the value is much higher than that of ZrTiO_(4) NFMs(6399 phosphopeptides and 2132 identified phosphoproteins)and commercial high-performance TiO_(2) particles(4525 phosphopeptides and 1811 identified phosphoproteins).These results demonstrate the super ability of TiO_(2)@ZrTiO_(4) NFMs in phosphopeptide enrichment and great potential for exploring the pathogenesis of cancer.

关键词： inorganic nanofibers flexible ceramic nanofibrous membranes biomimetic materials exceptional mechanical performance flexibility

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Biopolymers and biomimetic materials in Medical and Electronic-Related Applications for Environment-Health-Development Nexus:Systematic Review

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Journal of Bionic Engineering 2022年第6期19卷 1562-1577页

作者： Faris Mohammed AL-Oqla Mohammed Hassouna Alaaeddin Muhammad Enamul Hoque Vijay Kumar Thakur Department of Mechanical Engineering Faculty of EngineeringThe Hashemite UniversityP.O Box 330127Zarqa13133Jordan University College Fairview 2AJalan TP2Sime UEP Industrial Park Subang Jaya47600Subang JayaSelangorMalaysia Department of Biomedical Engineering Military Institute of Science and Technology(MIST)Mirpur CantonmentDhaka1216Bangladesh Biorefining and Advanced materials Research Center Scotland’s Rural College(SRUC)Kings BuildingsEdinburghEH93JGUK School of Engineering University of Petroleum&Energy Studies(UPES)Dehradun248007UttarakhandIndia

Biocomposites as bio-inspired materials are produced from renewable resources that are organic and ecofriendly alternative materials.To improve the lifestyle of human beings as well as enhancing the environmental indices,functional bio-materials are now implemented in various promising industries.This work has systematically discussed and highlighted the implementations and trends of functional bionic materials in high tech industries,which are necessary for developing modern societies.Various medical,electronic,food and pharmaceutical applications have been considered.Bio-inspired materials are used to develop more sustainable possibilities to increase environmental conservation while maintaining customer satisfaction.Biopolymers were found employed in several sectors for various functional bio-products including organic thin-film transistors,organic phototransistor,emitting diodes,photodiodes,photovoltaic solar cells,hybrid dental resins,sustainable pharmaceuticals,and food packaging.They are used to create sustainable bio-products for energy storage and harvesting,bone regeneration,nerve damage repair,drug applications and various other industrial subcategories.

关键词： Biopolymers Bioinspired biomimetic materials Tissue engineering Nerve repair Organic transistors

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Ultra-warm artificial aerogel fibers:a biomimetic material based on polar bear hair

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Chinese Journal of Natural Medicines 2024年第6期22卷 481-482页

作者： LI Yu LI Siwen State Key Laboratory of Natural Medicines Jiangsu Key Laboratory of Drug ScreeningDepartment of Biomedical EngineeringSchool of EngineeringChina Pharmaceutical UniversityNanjing 211198China

Aerogels are widely recognized as the premier thermal insulation materials due to their high porosity and exception-ally low thermal conductivity^([1,2]).Regrettably,their wide-spread application in thermal insulation textiles is signific-antly limited by their fragility and poor processability.Al-though many aerogel fibers made with silica^([3]),graphene^([4,5]),carbon nanotube^([6]),titanium oxide^([7]),and cellulose^([8])have been prepared through various methods.

关键词： Aerogel fibers biomimetic materials Green technologies

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Inorganic ionic polymerization:From biomineralization to materials manufacturing

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Nano Research 2024年第2期17卷 550-569页

作者： Yanhua Sang Kexin Qin Ruikang Tang Zhaoming Liu Department of Chemistry Zhejiang UniversityHangzhou 310058China

Biomineralization process regulates the growth of inorganic minerals by complex molecules,proteins,and cells,endowing bio-materials with marvels structures and excellent properties.The intricate structures and compositions found in biominerals have inspired scientists to design and synthesize numerous artificial biomimetic materials.The methodology for controlling the formation of inorganics plays a pivotal role in achieving biomimetic structures and compositions.However,the current approach predominantly relies on the classical nucleation theory,which hinders the precise preparation of inorganic materials by replicating the biomineralization strategy.Recently,the development of“inorganic ionic polymerization”strategy has enabled us to regulate the arrangement of inorganic ions from solution to solid phase,which establishes an artificial way to produce inorganic materials analogous to the biomineralization process.Based on inorganic ionic polymerization,a series of achievements have been realized for the biomimetic preparation,including moldable construction of inorganic materials,hard tissue regeneration,and high-performance biomimetic materials.Moreover,the utilization of inorganic ionic polymerization has also facilitated the production of numerous advanced materials,including novel structures that exceed the current knowledge of materials science.The inorganic ionic polymerization system provides new artificial strategies and methodologies for the controllable synthesis of inorganics,which mimics the biomineralization process,paving the way for the future development of more high-performance materials.

关键词： biomineralization inorganic ionic polymerization biomimetic materials crystal growth synthetic methodology

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Arg-Gly-Asp(RGD)Modified biomimetic Polymeric materials

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Journal of materials Science & Technology 2005年第4期21卷 571-576页

作者： Xufeng NIU, Yuanliang WANG Yanfeng LUO Juan XIN Yonggang LI Key Lab of Biomechanics & Tissue Engineering Ministry of Education Bioengineering College Chongqing University Chongqing400044 China

The new generation of biomaterials focuses on the design of biomimetic polymeric materials that are capable of eliciting specific cellular responses and directing new tissue formation. Since Arg-Gly-Asp （RGD） sequences have been found to promote cell adhesion in 1984, numerous polymers have been functionalized with RGD peptides for tissue engineering applications. This review gave the advance in RGD modified biomimetic polymeric materials,focusing on the mechanism of RGD, the surface and bulk modification of polymer with RGD peptides and the evaluation in vitro and in vivo of the modified biomimetic materials.

关键词： Arg-Gly-Asp （RGD） biomimetic materials Polymer

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biomimetic Preparation of Alumina Hierarchical Papillary Microrough Structure for Hydrophobic Improvement and Its Abrasion Resistance Finite Element Analysis

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Journal of Bionic Engineering 2023年第5期20卷 1985-1995页

作者： Meng Liu Junxin Lu Zhihui Cao Kang Yang Tingting Mi Jianlin Li Jianbao Li Hui Yu School of Biological and Environmental Engineering Jingdezhen UniversityJingdezhen333000China School of materials and Chemical Engineering Pingxiang UniversityPingxiang337055China State Key Laboratory of Marine Resource Utilization in South China Sea College of Materials&Chemical EngineeringHainan UniversityHaikou570228China

The surface of lotus leaves has a hierarchical micro–nano-rough structure.We determined that the papillary structure also possesses hierarchical features on the microscale.We used alumina particles as rough structure building units to construct a Hierarchical Papillary microrough Structure(HPS)on a ceramic surface.The effects of the spatial distribution of HPS on the abrasion resistance and mechanical stability of hydrophobic coatings were investigated.Furthermore,for each HPS,the falling sand abrasion process was analyzed using finite element fluid mechanics analysis.A denser or more two-dimensional HPS implied that more area was impacted by the falling sand and that the abrasion amount and rate were higher.This is contrary to the common belief that when there are more wear-resistant substances on the surface,the abrasion resistance is better;thus,abrasion resistance does not necessarily depend entirely on the concentration of wear-resistant substances on the surface,but it is also influenced by the abrasion mode and the spatial distribution structure of the wear-resistant substances.The 3D stacked HPS(3D-HPS)with excellent abrasion resistance and rich pore structure considerably enhanced the mechanical stability of the hydrophobic coatings.These findings provide novel insights and a theoretical basis for designing spatial structures on high abrasion-resistant superhydrophobic ceramic surfaces.

关键词： Lotus leaves biomimetic materials Hierarchical structure Abrasion resistance Hydrophobicity Finite element method

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Cancer-macrophage hybrid membrane-camouflaged photochlor for enhanced sonodynamic therapy against triple-negative breast cancer

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Nano Research 2022年第5期15卷 4224-4232页

作者： Lishan Zhang Ting Yin Baozhen Zhang Chong Yan Chengyu Lu Lanlan Liu Ze Chen Hui Ran Qingxia Shi Hong Pan Aiqing Ma Lintao Cai Guangdong Key Laboratory for Research and Development of Natural Drugs Key Laboratory for NanomedicineGuangdong Medical UniversityDongguan 523808China Guangdong Key Laboratory of Nanomedicine CAS-HK Joint Lab of BiomaterialsShenzhen Engineering Laboratory of Nanomedicine and NanoformulationsInstitute of Biomedicine and BiotechnologyShenzhen Institute of Advanced Technology(SIAT)Chinese Academy of SciencesShenzhen 518055China

Sonodynamic therapy(SDT)has aroused considerable momentum in cancer therapy due to its abilities of deep penetration,low toxicity,and noninvasion,while insufficient tumor accumulation of sonosensitizers is a major obstacle for SDT effect.Here,we developed a 4T1 cancer cell-macrophage hybrid membrane(HM)-camouflaged sonosensitizer nanoplatform by encapsulating photochlor(HPPH)-loaded albumin nanoparticles(PHNPs).The experimental results proved that the HM-coated biomimetic NPs(PHNPs@HM)could express the characteristic membrane proteins of both cancer cells and macrophages,remarkedly enhancing the effective targeting and endocytosis to 4T1 cells through homologous adhesion recognition and immune escaping.Meanwhile,as a novel sonosensitizer,HPPH could generate amount of reactive oxygen species(ROS)under ultrasound(US)irradiation and exhibit obvious SDT efficiency to inhibit 4T1 tumor growth through ROS-induced cell apoptosis.This study provides a novel and multifunctional biomimetic sonosensitizer system to enhance SDT efficiency.

关键词： biomimetic materials sonodynamic therapy hybrid cell membrane photochlor sonosensitizer noninvasive treatment

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Preparation of biomimetic gene hydrogel via polymerase chain reaction for cell-free protein expression

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Science China Chemistry 2020年第1期63卷 99-106页

作者： Feng Li Wenting Yu Xue Zhang Xiaocui Guo Xihan Xu Xiaolei Sun Dayong Yang Frontier Science Center for Synthetic Biology Key Laboratory of Systems Bioengineering (Ministry of Education) School of Chemical Engineering and Technology Tianjin University

Deoxyribonucleic acid(DNA)hydrogels,a three-dimensional(3 D)network made from DNA chains,have attracted great attention because of its molecular programmability,excellent biocompatibility and wide biomedical applications.Construction of hydrogel incorporating genetic function is still a challenge because of the limitations in available preparation methods.Herein,we develop a polymerase chain reaction(PCR)based strategy to construct gene integrated hydrogel to mimic the biofunction of nucleus zone.DNA primers were chemically modified by methacrylamide,which were used as modular primers in PCR to hybridize with template plasmid DNA,yielding methacrylamide functionalized gene(Acry-gene).Afterwards,Acry-gene was chemically cross-linked and compressed via free radical polymerization of terminal group methacrylamide to form a threedimensional gene network,namely gene hydrogel.The gene hydrogel retained the genetic function and expressed protein successfully in a cell free protein expression system.This work provides a general approach for the construction of biofunctional gene hydrogel which mimics bioprocesses,showing great potential in biomedicine and biomimetic fields.

关键词： hydrogel DNA polymerase chain reaction free radical polymerization biomimetic materials

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Promoting effect of a calcium-responsive self-assemblyβ-sheet peptide on collagen intrafibrillar mineralization

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Regenerative Biomaterials 2022年第1期9卷 761-774页

作者： Zhongcheng Li Qian Ren Sili Han Longjiang Ding Xi Qin Die Hu Ting He Tian Tian Ziqian Lu Linglin Zhang State Key Laboratory of Oral Diseases National Clinical Research Centre for Oral DiseasesDepartment of Cariology and EndodonticsWest China Hospital of StomatologySichuan UniversityChengdu 610041SichuanChina Department of Oral Medicine Shenzhen Stomatology HospitalShenzhen 518038GuangdongChina

Recently,a de novo synthetic calcium-responsive self-assemblyβ-sheet peptide ID8(Ile-Asp-Ile-Asp-Ile-Asp-Ile-Asp)has been developed to serve as the template inducing hydroxyapatite nucleation.The aim of this study was to evaluate the effect of ID8 on intrafibrillar mineralization of collagen making full use of its self-assembly ability.The mineralization experiments were carried out in vitro on both bare TypeⅠcollagen and fully demineralized dentin samples.The calcium-responsive self-assembly of ID8 was revealed by circular dichroism spectrum,8-anilino-1-naphthalenesulfonic acid ammonium salt hydrate assay,attenuated total reflection Fourier transform infrared spectrum(ATR-FTIR)and transmission electron microscope(TEM).Polyacrylic acid(450 kDa)with a concentration of 100μg ml^(-1)was selected as the nucleation inhibitor based on the determination of turbidimetry and TEM with selected area electron diffraction(TEM-SAED).The results showed that collagen intrafibrillar mineralization was significantly promoted with the pretreatment of self-assembly ID8 detected by TEM-SAED,SEM,X-ray diffraction and ATRFTIR.The pretreatment of collagen utilizing self-assembly ID8 not only enhanced intermolecular hydrogen bonding but also contributed to calcium retention inside collagen and significantly increased the hydrophilicity of collagen.These results indicated that peptides with self-assembly properties like ID8 are expected to be potential tools for biomimetic mineralization of collagen.

关键词： collagen polyacrylic acid biomineralization biomimetic materials amorphous calcium phosphate

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基于蝶翅三级微纳米结构的定制光子工程辐射制冷纺织品

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Engineering 2023年第12期31卷 120-126页

作者： Hongyu Guo Tianye Niu Jianyong Yu Xueli Wang Yang Si State Key Laboratory for Modification of Chemical Fibers and Polymer materials College of TextilesDonghua UniversityShanghai 201620China Innovation Center for Textile Science and Technology Donghua UniversityShanghai 201620China

People could potentially mitigate heat discomfort when outdoors by combining passive radiative cooling(PRC)strategies with personal thermal management techniques.However,most current PRC materials lack wearing comfort and durability.In this study,a microarray technique is applied to fabricate the tailoring photonic-engineered textiles with intriguing PRC capability and appealing wearability.The developed radiative cooling textiles(RCTs)demonstrate appropriate air-moisture permeability,structural stability,and extended spectroscopic response with high sunlight reflectivity(91.7%)and robust heat emissivity(95.8%)through the atmospheric transparent spectral window(ATSW).In a hot outdoor cooling test,a skin simulator covered by the RCTs displays a temperature drop of approximately 4.4℃at noon compared with cotton textiles.The evolution of our mimetic structures may provide new insights into the generation of wearable,thermal-wet comfortable,and robust textiles for exploring PRC techniques in personal thermal management applications.

关键词： biomimetic materials Personal thermal management Textiles Passive radiative cooling

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