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Heavy metal pollution of river water and eco-friendly remediation using potent microalgal species

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Water science and Engineering 2024年第1期17卷 41-50页

作者： Amudham Radha Amal Raj Prabhakaran Mylsamy V.sivasankar B.sathish kumar kiyoshi Omine T.G.sunitha Phycological Research Laboratory Research Department of BotanyPachaiyappa's College(Affiliated to University of Madras)Chennai 600030India Research Department of Chemistry Pachaiyappa's College(Affiliated to University of Madras)Chennai 600030India Department of Botany Sri Vidya Mandir Arts&Science College(Autonomous)KatteriUthangarai 636902India Department of Civil Engineering School of Engineering.Nagasaki UniversityNagasaki-Daigaku1-14 Bunkyo-machiNagasaki 8528521Japan

Pollution of rivers is mainly caused by anthropogenic activities such as discharge of effluent from industrial facilities,maintenance of sewage/effluent treatment plants,and dumping of solid waste on river *** study dealt with the pollution issues of the Cooum River in the well-known city of Chennai in south *** samples from 27 locations were collected and analyzed for 12 elements,including Ba,B,and Al,as well as heavy metals such as Pb,Cr,Mn,Fe,Co,Ni,Cu,Zn,and *** samples showed levels of these elements that exceeded World Health Organization *** correlation analysis revealed the inter-dependency among elements,and the contribution of each element based on factor loadings showed its percentage contribution compared to *** samples from six significant locations were chosen for remediation with three algae:Chlorella vulgaris,scenedesmus dimorphus,and Phormedium *** uptake of pollutants led to the continuous growth of algae during the incubation period of 15 d,effectively removing heavy metals from the river *** increasing levels of algal counts and the chlorophyll a content confirmed the algal growth during the incubation period,followed by a declining stage after the incubation *** scanning electron microscopic images of algae before and after the remediation showed no remarkable modification of morphological *** study showed that the uptake of heavy metals using algae is an effective water pollution remediation measure,making the process practicable in the field on a large scale in the near future.

关键词： Heavy metal Cooum river Phycoremediation Microalgae Factor analysis

Gut microbiome:A revolution in typeⅡdiabetes mellitus

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World Journal of Diabetes 2024年第9期15卷 1874-1888页

作者： Madhan Jeyaraman Tejaswin Mariappan naveen Jeyaraman sathish Muthu swaminathan Ramasubramanian Gabriel silva santos Lucas Furtado da Fonseca JoséFábio Lana Department of Orthopaedics ACS Medical College and HospitalDr MGR Educational and Research InstituteChennai 600077Tamil NaduIndia Department of Orthopaedics Brazilian Institute of Regenerative MedicineIndaiatuba 13334-170São PauloBrazil Department of Orthopaedics Orthopaedic Research GroupCoimbatore 641045Tamil NaduIndia Department of Community Medicine Government Stanley Medical College and HospitalChennai 600001Tamil NaduIndia Department of Orthopaedics Government Medical CollegeKarur 639004Tamil NaduIndia Department of Biotechnology Faculty of EngineeringKarpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia Department of Orthopaedics Government Medical CollegeOmandurar Government EstateChennai 600002Tamil NaduIndia

TypeⅡdiabetes mellitus(T2DM)has experienced a dramatic increase globally across countries of various income levels over the past three *** persistent prevalence of T2DM is attributed to a complex interplay of genetic and environmental *** numerous pharmaceutical therapies have been developed,there remains an urgent need for innovative treatment approaches that offer effectiveness without significant adverse *** this context,the exploration of the gut microbiome presents a promising *** has increasingly shown that the gut microbiome of individuals with T2DM exhibits distinct differences compared to healthy individuals,suggesting its potential role in the disease’s pathogenesis and *** emerging field offers diverse applications,particularly in modifying the gut environment through the administration of prebiotics,probiotics,and fecal microbiome *** interventions aim to restore a healthy microbiome balance,which could potentially alleviate or even reverse the metabolic dysfunctions associated with *** current results from clinical trials have not yet shown dramatic effects on diabetes management,the groundwork has been laid for deeper *** and future clinical trials are critical to advancing our understanding of the microbiome’s impact on *** further elucidating the mechanisms through which microbiome alterations influence insulin resistance and glucose metabolism,researchers can develop more targeted *** potential to harness the gut microbiome in developing new therapeutic strategies offers a compelling prospect to transform the treatment landscape of T2DM,potentially reducing the disease’s burden significantly with approaches that are less reliant on traditional pharmaceuticals and more focused on holistic,systemic health improvements.

关键词： TypeⅡdiabetes Gut microbiome Probiotics Prebiotics Fecal microbiota transplantation

Optimizing outcomes:Implementing enhanced recovery after surgery in orthopedic surgery

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World Journal of Methodology 2024年第4期14卷 6-12页

作者： sathish Muthu Madhan Jeyaraman naveen Jeyaraman swaminathan Ramasubramanian Department of Orthopedics Orthopedic Research GroupTamil NaduCoimbatore 641045India Department of Orthopedics Government Medical CollegeTamil NaduKarur 639003India Department of Biotechnology Karpagam Academy of Higher EducationTamil NaduCoimbatore 641021India Department of Orthopedics ACS Medical College and HospitalDr MGR Educational and Research InstituteTamil NaduChennai 600077India Department of Orthopedics Government Medical CollegeOmandurar Government EstateTamil NaduChennai 600002India

In the realm of orthopedics,the adoption of enhanced recovery after surgery(ERAs)protocols marks a significant stride towards enhancing patient *** embracing a holistic approach that encompasses preoperative counseling,dietary optimization,minimally invasive procedures,and early postoperative mobilization,these protocols have ushered in a new era of surgical *** encountering hurdles like resistance to change and resource allocation challenges,the efficacy of ERAs protocols in improving clinical outcomes is *** benefits include shortened hospital stays and bolstered improved patient-safety *** ahead,the horizon for ERAs in orthopedics appears bright,with an emphasis on tailoring care to individual needs,integrating cutting-edge technologies,and perpetuating research *** shift towards a more personalized,streamlined,and cost-efficient model of care underscores the transformative potential of ERAs in reshaping not only orthopedic surgery but also the journey to patient *** editorial details the scope and future of ERAs in the orthopedic specialty.

关键词： Enhanced recovery after surgery Orthopedic surgery Perioperative care Personalized care Patient reported outcome measure Complications

Advancing orthopaedic trauma care through WhatsApp:An analysis of clinical and non-clinical applications,challenges,and future directions

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World Journal of Orthopedics 2024年第6期15卷 529-538页

作者： Ravi saini Madhan Jeyaraman naveen Jeyaraman Vijay kumar Jain swaminathan Ramasubramanian karthikeyan P Iyengar Department of Orthopaedics Atal Bihari Vajpayee Institute of Medical SciencesDr Ram Manohar Lohia HospitalNew Delhi 110001India Department of Orthopaedics ACS Medical College and HospitalDr MGR Educational and Research InstituteChennai 600077Tamil NaduIndia Department of Orthopaedics Government Medical CollegeOmandurar Government EstateChennai 600002Tamil NaduIndia Department of Trauma and Orthopaedics Southport and Ormskirk HospitalsMersey and West Lancashire Teaching NHS TrustSouthport PR86PNUnited Kingdom

The integration of WhatsApp,a widely-used instant messaging application(IMA),into the realm of orthopaedics and trauma surgery has emerged as a significant development in recent *** paper explores the multifaceted role of WhatsApp in orthopaedics,focusing on its clinical and non-clinical applications,advantages,disadvantages,and future *** study synthesizes findings from various research papers,emphasizing the growing reliance on mobile technology in ***’s role in orthopaedics is notable for its ease of use,real-time communication,and ***,it facilitates triage,teleconsultation,diagnosis,treatment,patient advice,and post-operative ***-clinically,it supports telemedicine,teleradiology,virtual frac-ture clinics,research,and education in orthopaedic *** application has proven beneficial in enhancing communication among healthcare teams,providing quick responses,and motivating junior *** use in educational settings has been shown to improve learner’s understanding and patient ***,the use of WhatsApp in orthopaedics is not without *** include the potential spread of misleading information,privacy concerns,and issues with image quality affecting diagnosis and treatment *** paper acknowledges the importance of maintaining professional boundaries and the need for oversight measures to ensure content *** forward,the potential of WhatsApp and similar IMAs in orthopaedics lies in their ability to streamline data collection and retrieval,improve doctor-patient communication,and address challenges like bureaucratic red tape and limited *** paper suggests that future orthopaedic practice,particularly in emergency departments,will increasingly rely on such technologies for efficient patient *** shift,however,must be approached with an understanding of the ethical,legal,and practical implications of integrating social media and mobile

关键词： social media WhatsApp Orthopaedics Trauma Research

Non-enzymatic methods for isolation of stromal vascular fraction and adipose-derived stem cells:A systematic review

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World Journal of Methodology 2024年第2期14卷 134-144页

作者： Vamsi krishna Mundluru MJ Naidu Ravi Teja Mundluru naveen Jeyaraman sathish Muthu swaminathan Ramasubramanian Madhan Jeyaraman Department of Orthopaedics MJ Naidu Super Speciality HospitalVijayawada 520002Andhra PradeshIndia Department of Regenerative Medicine StemC ClinicsVijayawada 520002Andhra PradeshIndia Department of Orthopaedics ACS Medical College and HospitalDr.MGR Educational and Research InstituteChennai 600077Tamil NaduIndia Department of Orthopaedics Orthopaedic Research GroupCoimbatore 641045Tamil NaduIndia Department of Orthopaedics Government Medical College and HospitalKarur 639004Tamil NaduIndia Department of Biotechnology Faculty of EngineeringKarpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia Department of Orthopaedics Government Medical CollegeOmandurar Government EstateChennai 600002Tamil NaduIndia

BACkGROUND Adipose-derived stem cells(ADsCs)and the stromal vascular fraction(sVF)have garnered substantial interest in regenerative medicine due to their potential to treat a wide range of *** enzymatic methods for isolating these cells face challenges such as high costs,lengthy processing time,and regulatory *** This systematic review aimed to assess the efficacy and practicality of nonenzymatic,mechanical methods for isolating sVF and ADsCs,comparing these to conventional enzymatic *** Following the Preferred Reporting Items for systematic Reviews and Meta-Analyses guidelines,a comprehensive literature search was conducted across multiple *** were selected based on inclusion criteria focused on non-enzymatic isolation methods for sVF and ADsCs from adipose *** risk of bias was assessed,and a qualitative synthesis of findings was performed due to the methodological heterogeneity of the included *** Nineteen studies met the inclusion criteria,highlighting various mechanical techniques such as centrifugation,vortexing,and ultrasonic *** review identified significant variability in cell yield and viability,and the integrity of isolated cells across different non-enzymatic methods compared to enzymatic *** some advantages of mechanical methods,including reduced processing time and avoidance of enzymatic reagents,the evidence suggests a need for optimization to match the cell quality and therapeutic efficacy achievable with enzymatic *** Non-enzymatic,mechanical methods offer a promising alternative to enzymatic isolation of sVF and ADsCs,potentially simplifying the isolation process and reducing regulatory ***,further research is necessary to standardize these techniques and ensure consistent,high-quality cell yields for clinical *** development of efficient,safe,and reproducible non-enzymatic isolation methods could signi

关键词： Adipose-derived stem cells stromal vascular fraction Regenerative medicine Non-enzymatic isolation Mechanical separation techniques

Does progress in microfracture techniques necessarily translate into clinical effectiveness?

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World Journal of Orthopedics 2024年第3期15卷 266-284页

作者： sathish Muthu Vibhu krishnan Viswanathan Manoharan sakthivel Mohammed Thabrez Department of Orthopaedics Orthopaedic Research GroupCoimbatore 641045Tamil NaduIndia Department of Biotechnology Karpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia Manoharan sakthivel Department of OrthopaedicsGovernment Medical CollegeKarur 639004Tamil NaduIndia Department of Orthopaedics Devadoss Multispecialty HospitalMadurai 625007Tamil NaduIndia Department of Medical Oncology Aster Medcity HospitalKochi 682034India

BACkGROUND Multitudinous advancements have been made to the traditional microfracture(MFx)technique,which have involved delivery of various acellular 2nd generation MFx and cellular MFx-III components to the area of cartilage *** relative benefits and pitfalls of these diverse modifications of MFx technique are still not widely *** To comparatively analyze the functional,radiological,and histological outcomes,and complications of various generations of MFx available for the treatment of cartilage *** A systematic review was performed using PubMed,EMBAsE,Web of science,Cochrane,and *** of any age and sex with cartilage defects undergoing any form of MFx were considered for *** included only randomized controlled trials(RCTs)reporting functional,radiological,histological outcomes or complications of various generations of MFx for the management of cartilage *** meta-analysis(NMA)was conducted in stata and Cochrane’s Confidence in NMA approach was utilized for appraisal of *** Forty-four RCTs were included in the analysis with patients of mean age of 39.40(±9.46)*** comparing the results of the other generations with MFX-I as a constant comparator,we noted a trend towards better pain control and functional outcome(kOOs,IkDC,and Cincinnati scores)at the end of 1-,2-,and 5-year time points with MFx-III,although the differences were not statistically significant(P>0.05).We also noted statistically significant Magnetic resonance observation of cartilage repair tissue score in the higher generations of microfracture(weighted mean difference:17.44,95%confidence interval:0.72,34.16,P=0.025;without significant heterogeneity)at 1 ***,the difference was not maintained at 2 *** was a trend towards better defect filling on MRI with the second and third generation MFx,although the difference was not statistically significant(P>0.05).CONCLUsION The higher generations of traditional MFx

关键词： Cartilage injury Microfracture Mesenchymal stem cells Platelet-rich plasma Bone marrow aspiration concentrates Clinical outcome Radiological outcome Meta-analysis Network meta-analysis

Understanding and controlling the variables for stromal vascular fraction therapy

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World Journal of stem Cells 2024年第8期16卷 784-798页

作者： naveen Jeyaraman sandeep shrivastava VR Ravi Arulkumar Nallakumarasamy Aditya Pundkar Madhan Jeyaraman Department of Orthopaedics Datta Meghe Institute of Higher Education and ResearchWardha 442004MaharashtraIndia Regenerative Medicine Mother Cell Regenerative CentreTiruchirappalli 620017Tamil NaduIndia Department of Orthopaedics Jawaharlal Nehru Medical CollegeDatta Meghe Institute of Higher Education and ResearchWardha 442004MaharashtraIndia Department of Orthopaedics ACS Medical College and HospitalDr MGR Educational and Research InstituteChennai 600077Tamil NaduIndia

In regenerative medicine,the isolation of mesenchymal stromal cells(MsCs)from the adipose tissue’s stromal vascular fraction(sVF)is a critical area of *** review meticulously examines the isolation process of MsCs,starting with the extraction of adipose *** choice of liposuction technique,anatomical site,and immediate processing are essential to maintain cell *** delve into the intricacies of enzymatic digestion,emphasizing the fine-tuning of enzyme concentrations to maximize cell yield while preventing *** review then outlines the filtration and centrifugation techniques necessary for isolating a purified sVF,alongside cell viability assessments like flow cytometry,which are vital for confirming the efficacy of the isolated *** discuss the advantages and drawbacks of using autologous vs allogeneic sVF sources,touching upon immunocompatibility and logistical considerations,as well as the variability inherent in donor-derived *** choices,the selection between hypo-dermic needles vs liposuction cannulas,and the role of adipose tissue lysers in achieving cellular dissociation are evaluated for their impact on sVF *** protocols are also analyzed for their part in ensuring the integrity of the *** necessity for standardized MsC isolation protocols is highlighted,promoting reproducibility and successful clinical *** encourage ongoing research to deepen the understanding of MsC biology and therapeutic action,aiming to further the field of regenerative *** review concludes with a call for rigorous research,interdisciplinary collaboration,and strict adherence to ethical and regulatory standards to safeguard patient safety and optimize treatment outcomes with MsCs.

关键词： Mesenchymal stromal cells stromal vascular fraction Adipose tissue Autologous stromal vascular fraction stromal vascular fraction isolation

Plant Nitrogen Metabolism: Balancing Resilience to Nutritional stress andAbiotic Challenges

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Phyton-International Journal of Experimental Botany 2024年第3期93卷 581-609页

作者： Muhammad Farhan Manda sathish Rafia kiran Aroosa Mushtaq Alaa Baazeem Ammarah Hasnain Fahad Hakim syed Atif Hasan Naqvi Mustansar Mubeen Yasir Iftikhar Aqleem Abbas Muhammad Zeeshan Hassan Mahmoud Moustafa Department of Plant Pathology Faculty of Agricultural Sciences&TechnologyBahauddin Zakariya UniversityMultan60800Pakistan Centro de Investigación de Estudios Avanzados del Maule(CIEAM) Vicerrectoría de Investigación y PostgradoUniversidad Católica del MauleTalca3460000Chile College of Food science and Nutritional Engineering China Agricultural UniversityBeijingChina Department of Biology College of ScienceTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Biotechnology Faculty of Biological SciencesLahore University of Biological and Applied SciencesLahorePakistan Department of Plant Pathology College of AgricultureUniversity of SargodhaSargodha40100Pakistan Department of Agriculture and Food Technology Karakorum International UniversityGilgitPakistan Department of Biology Faculty of ScienceKing Khalid UniversityAbhaSaudi Arabia

Plant growth and resilience to abiotic stresses,such as soil salinity and drought,depend intricately on nitrogen *** review explores nitrogen’s regulatory role in plant responses to these challenges,unveiling a dynamic interplay between nitrogen availability and abiotic *** the context of soil salinity,a nuanced rela-tionship emerges,featuring both antagonistic and synergistic interactions between salinity and nitrogen ***-induced chlorophyll depletion in plants can be alleviated by optimal nitrogen supplementation;however,excessive nitrogen can exacerbate salinity *** delve into the complexities of this interaction and its agri-cultural ***,a vital element within essential plant structures like chloroplasts,elicits diverse responses based on its *** review comprehensively examines manifestations of nitrogen deﬁciency and toxicity across various crop types,including cereals,vegetables,legumes,and ***,we explore the broader consequences of nitrogen products,such as N_(2)O,NO_(2),and ammonia,on human ***-ing the intricate relationship between nitrogen and salinity,especially chloride accumulation in nitrate-fed plants and sodium buildup in ammonium-fed plants,is pivotal for optimizing crop nitrogen ***,prudent nitrogen use is essential,as overapplication can exacerbate nitrogen-related *** Use Efﬁ-ciency(NUE)is of paramount importance in addressing salinity challenges and enhancing sustainable crop *** this goal requires advancements in crop varieties with efﬁcient nitrogen utilization,pre-cise timing and placement of nitrogen fertilizer application,and thoughtful nitrogen source selection to mitigate losses,particularly urea-based fertilizer *** review article delves into the multifaceted world of plant nitrogen metabolism and its pivotal role in enabling plant resilience to nutritional stress and abiotic chall

关键词： synthetic nitrogen nitrogen signaling sustainable agriculture eutrophication ammonium nitrate

Effect of different geometrical non-uniformities on nonlinear vibration of porous functionally graded skew plates: A finite element study

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Defence Technology（防务技术） 2022年第6期18卷 918-936页

作者： H.s.naveen kumar subhaschandra kattimani Department of Mechanical Engineering National Institute of Technology KarnatakaSurathkal575025India

This article presents the investigation of nonlinear vibration analysis of tapered porous functionally graded skew(TPFGs)plate considering the effects of geometrical non-uniformities to optimize the thickness in the structural *** TPFGs plate is analyzed considering linearly,bi-linearly,and exponentially varying *** plate’s effective material properties are tailor-made using a modified power-law distribution in which gradation varies along the thickness direction of the TPFGs *** the non-linear finite element formulation to develop the kinematic equation’s displacement model for the TPFGs plate is based on the first-order shear deformation theory(FsDT)in conjunction with von karman’s *** nonlinear governing equations are established by Hamilton’s *** direct iterative method is adopted to solve the nonlinear mathematical relations to obtain the nonlinear *** influence of the porosity distributions and porosity parameter indices on the nonlinear frequency responses of the TPFGs plate for different skew angles and variable thicknesses are studied for various geometrical *** influence of taper ratio,variable thickness,skewness,porosity distributions,gradation,and boundary conditions on the plate’s nonlinear vibration is *** nonlinear frequency analysis reveals that the geometrical nonuniformities and porosities significantly influence the porous functionally graded plates with varying thickness than the uniform ***,exponentially and linearly variable thicknesses can be considered for the thickness optimizations of TPFGs plates in the structural design.

关键词： Functionally graded material shear deformation theory Porosity distributions Variable thickness Geometrical skewness Nonlinear free vibration