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Surface Modification Aspects for Improving Biomedical Properties in Implants:A Review

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Acta Metallurgica Sinica(English Letters) 2024年第2期37卷 213-241页

作者： J.Sharath kumar Rakesh kumar Rajeev verma Industrial and Production Department Dr B R Ambedkar National Institute of Technology JalandharJalandharPunjab144008India

The primary focus during surgery is to ensure successful implantation by achieving long-term and stable fixation of *** surgery is now more focused on the development of novel biomaterials intended to improve implant *** obtain a better understanding of metal implants,this article investigated the causes of material failures in certain cases and analysed a few case *** interaction between the implant and bone tissue was a crucial aspect of successful implantation,and this study explored the factors influencing this interaction as well as ways to improve *** modern approaches used for modifying implant surfaces were systematically illustrated and briefly *** spray coatings were often favoured because of their wide range of coating materials,but other substantial surface modifications(such as friction stir processing and laser surface texturing)were also used for a selection of ***,implant surfaces with desirable features,such as biocompatibility,antibacterial properties,corrosion resistance,and wear resistance,were essential for optimising implant *** systematic review's main aim is to provide exhaustive reference information and a broad overview to advance the production and design of orthopaedic implants.

关键词： Biomaterials Surface treatments Thermal spray coatings Antibacterial Biocompatibility Corrosion resistance Wear resistance

Dynamics of some new solutions to the coupled DSW equations traveling horizontally on the seabed

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Journal of Ocean Engineering and Science 2024年第2期9卷 154-163页

作者： Raj kumar Ravi Shankar verma Department of Mathematics Faculty of Engineering&TechnologyVeer Bahadur Singh Purvanchal UniversityJaunpur 222003India

The system of(1+1)-coupled Drinfel’d-Sokolov-Wilson equations describes the surface gravity waves travelling horizontally on the *** objective of the present research is to construct a new variety of analytical solutions for the *** invariants are derived with the aid of Killing form by using the optimal algebra classification via Lie symmetry *** invariant solutions involve time,space variables,and arbitrary *** adequate constraints on arbitrary constants,solutions are represented graphically to make them more applicable in designing sea *** behavior of solutions shows asymptotic,bell-shaped,bright and dark soliton,bright soliton,parabolic,bright and kink,kink,and periodic *** constructed results are novel as the reported results[26,28,29,30,33,38,42,49]can be deduced from the results derived in this *** remaining solutions derived in this study,are absolutely different from the earlier *** this study,the physical character of analytical solutions of the system could aid coastal engineers in creating models of beaches and ports.

关键词： Coupled Drinfel’d-Sokolov-Wilson model Invariants Killing form Optimal sub algebra Lie symmetry reductions

Tailored nutritional interventions: A precision approach to managing gestational diabetes mellitus

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World Journal of Diabetes 2024年第5期15卷 1045-1047页

作者： Babita Pande Henu kumar verma LVKS Bhaskar Department of Physiology All India Institute of Medical ScienceChhattisgarhRaipur 492001India Lung Health and Immunity Helmholtz Zentrum MunichBayrenMunich 85764Germany Department of Zoology Guru Ghasidas VishwavidyalayaChhattisgarhBilaspur 495001India

Gestational diabetes mellitus(GDM)is a risk to maternal-fetal health due to uncertain diagnostic criteria and treatment ***'s study demonstrated the efficacy of customized nutritional therapies in controlling *** strategies led to significant body weight loss,improved glucolipid metabolism,and fewer prenatal and newborn *** holistic approach,which emphasizes the notion of’chrononutrition’,takes into account optimal meal timing that is in sync with circadian rhythms,as well as enhanced sleep *** tailored dietary therapy,managing meal timing,and ensuring appropriate sleep may improve results for women with GDM,opening up a possible avenue for multi-center trials.

关键词： Gestational diabetes mellitus Metabolism Nutrition Maternal-fetal health Dietary therapy

Therapeutic potential and pharmacological mechanism of visnagin

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Journal of Integrative Medicine 2024年第4期22卷 399-412页

作者： Poonam Yadav Sumeet kumar Singh Sayantap Datta Saloni verma Aarti verma Arnab Rakshit Anjana Bali Jasvinder Singh Bhatti Amit Khurana Umashanker Navik Department of Pharmacology School of Health SciencesCentral University of PunjabBathindaPunjab 151401India Department of Pharmacological and Pharmaceutical Sciences College of PharmacyUniversity of HoustonHoustonTX 77204-5000USA Department of Human Genetics and Molecular Medicine School of Health SciencesCentral University of PunjabBathindaPunjab 151401India

Visnagin is a furanochromone and one of the most important compound in the Ammi visnaga(L.)Lam(a synonym of Visnaga daucoides Gaertn.)plant,which is used to cure various *** investigations into the bioactive properties of visnagin have been studied to *** literature on visnagin demonstrates its biological properties,including anti-inflammatory,anti-diabetic,and beneficial effects in cardiovascular and renal ***,visnagin improves sperm quality parameters,stimulates steroidogenesis,and increases serum gonadotropins and testosterone levels,while decreasing proinflammatory cytokines,oxidative damage,genomic instability,and it modulates ***,visnagin has emerged as an exciting lead for further research,owing to its potential in various unmet clinical *** current review summarized its basic structure,pharmacokinetics,and pharmacological effects,focusing on its mechanisms of *** review will help to understand the potential of visnagin as an alternative treatment strategy for several diseases and provide insight into research topics that need further exploration for visnagin’s safe clinical use.

关键词： Visnagin Phytochemical Anti-inflammatory Ammi visnaga L. Visnaga daucoides Gaertn Cancer

Helicobacter pylori isolated from gastric juice have higher pathogenic potential than biopsy isolates

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Genes & Diseases 2024年第1期11卷 34-37页

作者： Budhadev Baral Dharmendra Kashyap Nidhi Varshney Tarun Prakash verma Ajay kumar Jain Debi Chatterji Vinod kumar Amit Mishra Awanish kumar Hem Chandra Jha Infection Bioengineering Group Department of Biosciences and Biomedical EngineeringIndian Institute of Technology IndoreSimrolIndoreMadhya Pradesh 453552India Choithram Hospital and Research Center IndoreMadhya Pradesh452014India Department of Metallurgy Engineering and Materials Science Indian Institute of Technology IndoreSimrolIndoreMadhya Pradesh 453552India Department of Bioscience&Bioengineering Indian Institute of Technology JodhpurNH 65 Nagaur RoadJodhpur DistrictKarwarRajasthan 342037India Department of Biotechnology National Institute of Technology RaipurGE RoadRaipurChhattisgarh 492010India

Persistent gastritis induced by Helicobacter pylori(***)is the strongest known risk factor for gastric cancer(GC).*** is prevalent in about 50%world's population,while it causes cancer in less than 2%of exposed individuals.1 Our studies found that *** infection can induce oncogenic properties in AGS cells by deregulating multiple factors associated with the cell cycle,apoptosis,and other important events associated with cancer progression.

关键词： H.pylori pylori Helicobacter

Microstructural, wettability, and corrosion behaviour of TiO_(2) thin film sputtered on aluminium

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Journal of Central South University 2024年第7期31卷 2210-2224页

作者： Rajeev verma Vijay kumar Saurabh KANGO Amindra KHILLA Rajeev GUPTA Department of Industrial and Production Engineering Dr B R Ambedkar National Institute of Technology JalandharJalandhar-144008PunjabIndia Department of Mechanical Engineering Dr B R Ambedkar National Institute of Technology JalandharJalandhar-144008PunjabIndia Department of Physics School of EngineeringUniversity of Petroleum&Energy StudiesDehradun 248007UttarakhandIndia

The study investigated the application of radiofrequency(RF)-sputtered TiO2 coatings at various temperatures to enhance the hydrophobicity and corrosion resistance of Al6061 *** research aimed to establish a correlation between the coating process and the resulting surface *** roughness and wettability were quantified with a surface profilometer and ***,chemical boiling and salt spray corrosion tests were conducted to evaluate any topographical changes during these *** analysis further involved the use of field-emission scanning electron microscopy(FESEM),energy-dispersive spectroscopy(EDS),and X-ray diffraction(XRD)techniques to characterize the deposited *** findings indicated that the TiO2 coating applied at 500℃exhibited the highest water contact angle and superior corrosion resistance compared to other *** characterization confirmed that this specific TiO_(2) coating at 500℃ effectively delays corrosion due to its hydrophobic behavior,making it durable for industrial applications.

关键词： aluminium TiO_(2) coating radiofrequency-sputtering hydrophobic corrosion

石墨炔:一种用于合成水污染物有效吸附剂的新型炭材料

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新型炭材料（中英文） 2024年第2期39卷 173-200页

作者： Gaurav Sharma Yaksha verma Amit kumar Pooja Dhiman WANG Tong-tong Florian JStadler 深圳大学材料科学与工程学院深圳市高分子科学与技术重点实验室广东省功能材料界面工程研究中心南山区生物高分子与安全性评价重点实验室广东深圳518055 International Research Centre of Nanotechnology for Himalayan Sustainability(IRCNHS) Shoolini UniversityHimachal Pradesh 173229India 西安建筑科技大学跨学科与创新研究院陕西西安710055

石墨炔(GDY)是一种新生的二维材料,其在去除水溶液中污染物的研究方面引起了广泛关注。GDY是sp和sp2杂化碳原子的框架,其在二维对称网络中存在苯环和二乙基键,因此具有优异的共轭性、独特的可调谐电子性能、以及优异的化学和热稳定性。... 详细信息

石墨炔(GDY)是一种新生的二维材料,其在去除水溶液中污染物的研究方面引起了广泛关注。GDY是sp和sp2杂化碳原子的框架,其在二维对称网络中存在苯环和二乙基键,因此具有优异的共轭性、独特的可调谐电子性能、以及优异的化学和热稳定性。GDY的分子中有C≡C键,且具有均匀分布的三角形孔,可提供更多的反应位点和多种反应路径。因而,GDY具有吸附性,其作为吸附剂时在去除污染水中的油、有机污染物、染料和金属方面表现优异。在已发表的文献中,GDY被用作吸附剂的报道十分有限。本文综述了GDY的合成方法、GDY作为吸附剂的应用以及GDY基吸附剂的表征,并展望了GDY在污染物修复中的应用前景。

关键词：石墨炔合成吸附污染物合理机制

Targeting brain tumors with innovative nanocarriers:bridging the gap through the blood-brain barrier

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Oncology Research 2024年第5期32卷 877-897页

作者： KARAN WADHWA PAYAL CHAUHAN SHOBHIT kumar RAKESH PAHWA RAVINDER verma RAJAT GOYAL GOVIND SINGH ARCHANA SHARMA NEHA RAO DEEPAK KAUSHIK Department of Pharmaceutical Sciences Maharshi Dayanand UniversityRohtak124001India Department of Pharmaceutical Technology Meerut Institute of Engineering and Technology(MIET)NH-58Delhi-Roorkee HighwayMeerut250005India Institute of Pharmaceutical Sciences Kurukshetra UniversityKurukshetra136119India Department of Pharmaceutical Sciences Chaudhary Bansi Lal UniversityBhiwani127021India MM College of Pharmacy Maharishi Markandeshwar(Deemed to be University)Mullana-AmbalaHaryana133207India Delhi Pharmaceutical Sciences and Research University(DIPSAR) Delhi Pharmaceutical Sciences and Research UniversityNew Delhi110017India

Background:Glioblastoma multiforme(GBM)is recognized as the most lethal and most highly invasive *** high likelihood of treatment failure arises fromthe presence of the blood-brain barrier(BBB)and stemcells around GBM,which avert the entry of chemotherapeutic drugs into the ***:Recently,several researchers have designed novel nanocarrier systems like liposomes,dendrimers,metallic nanoparticles,nanodiamonds,and nanorobot approaches,allowing drugs to infiltrate the BBB more efficiently,opening up innovative avenues to prevail over therapy problems and radiation ***:Relevant literature for this manuscript has been collected from a comprehensive and systematic search of databases,for example,PubMed,Science Direct,Google Scholar,and others,using specific keyword combinations,including“glioblastoma,”“brain tumor,”“nanocarriers,”and several ***:This review also provides deep insights into recent advancements in nanocarrier-based formulations and technologies for GBM *** of various scientific advances in conjunction with encouraging findings concerning the future perspectives and challenges of nanocarriers for effective brain tumor management has also been discussed.

关键词： Glioblastoma Brain tumor Blood-brain barrier Liposomes Metallic nanoparticles Nanocarriers

Recent updates on nano-phyto-formulations based therapeutic intervention for cancer treatment

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Oncology Research 2024年第1期32卷 19-47页

作者： ABHISHEK WAHI MAMTA BISHNOI NEHA RAINA MEGHNA AMRITA SINGH PIYUSH verma PIYUSH kumar GUPTA GINPREET KAUR HARDEEP SINGH TULI MADHU GUPTA Department of Pharmaceutics School of Pharmaceutical SciencesDelhi Pharmaceutical Sciences and Research University(DPSRU)Pushp ViharNew Delhi110017India Department of Pharmaceutical Sciences Gurugram UniversityHaryana122003India Department of Life Sciences Sharda School of Basic Sciences and ResearchSharda UniversityGreater NoidaUttar Pradesh201310India Department of Biotechnology Graphic Era(Deemed to be University)DehradunUttarakhand248002India Department of Pharmacology Shobhaben Pratapbhai Patel School of Pharmacy&Technology ManagementSVKM’s NMIMSVile Parle(West)Mumbai400056India Department of Bio-Sciences and Technology Maharishi Markandeshwar Engineering CollegeMaharishi Markandeshwar(Deemed to be University)MullanaAmbala133207India

Cancer is a leading cause of death globally,with limited treatment options and several *** agents often result in toxicity which long-term conventional *** are natural constituents that are more effective in treating various diseases with less toxicity than the chemotherapeutic agents providing alternative therapeutic approaches to minimize the *** phytoconstituents act in several ways and deliver optimum effectiveness against ***,the effectiveness of phyto-formulations in the management of cancers may be constrained due to challenges related to inadequate solubility,bioavailability,and *** presents a promising avenue for transforming current cancer treatment methods through the incorporation of phytochemicals into nanosystems,which possess a range of advantageous characteristics such as biocompatibility,targeted and sustained release capabilities,and enhanced protective *** holds significant potential for future advancements in cancer ***,this review aims to provide intensive literature on diverse nanocarriers,highlighting their applications as cargos for phytocompounds in ***,it offers an overview of the current advancements in the respective field,emphasizing the characteristics that contribute to favourable outcomes in both in vitro and in vivo ***,clinical development and regulatory concerns are also discussed to check on the transformation of the concept as a promising strategy for combination therapy of phytochemicals and chemotherapeutics that could lead to cancer management in the future.

关键词： Phyto-formulations Cancer Nanocarriers Nanotechnology Clinical development