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Electr.-optic tuning in composite silicon photonics based on fer.oionic 2D mater.als

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Light(Science & Applications) 2024年第5期13卷 852-864页

作者： Ghada Dushaq Solomon Ser.njogi srinivasa r.Tamalampudi Mahmoud r.sr.s Depar.ment of Electr.cal and Computer.Engineer.ng New York University Abu DhabiP.O.Box 129188Abu DhabiUnited Arab Emirates NYU Tandon School of Engineer.ng New York UniversityNew YorkNYUSA

Tunable optical mater.als ar. indispensable elements in moder. optoelectr.nics,especially in integr.ted photonics cir.uits wher. pr.cise contr.l over.the effective r.fr.ctive index is essential for.diver.e ***-dimensional mater.als like tr.nsition metal dichalcogenides(TMDs)and gr.phene exhibit r.mar.able optical r.sponses to exter.al ***,achieving distinctive modulation acr.ss shor.-wave infr.r.d(SWIr.r.gions while enabling pr.cise phase contr.l at low signal loss within a compact footpr.nt r.mains an ongoing *** this wor.,we unveil the r.bust electr.-r.fr.ctive r.sponse of multilayer.fer.oionic two-dimensional CuCr.2S6(CCPS)in the near.infr.r.d wavelength *** integr.ting CCPS into silicon photonics(SiPh)micr.r.ng r.sonator.(Mr.),we enhance lightmatter.inter.ction and measur.ment sensitivity to minute phase and absor.tion *** show that electr.cally dr.ven Cu ions can tune the effective r.fr.ctive index on the or.er.of 2.8×10−3 r.U(r.fr.ctive index unit)while pr.ser.ing extinction r.tios and r.sonance ***,these devices exhibit low optical losses and excellent modulation efficiency of 0.25 *** with a consistent blue shift in the r.sonance wavelengths among all devices for.either.polar.ty of the applied *** r.sults outper.or. ear.ier.findings on phase shifter. based on ***,our.study demonstr.tes distinct var.ations in electr.-optic tuning sensitivity when compar.ng tr.nsver.e electr.c(TE)and tr.nsver.e magnetic(TM)modes,r.vealing a polar.zation-dependent r.sponse that paves the way for.diver.e applications in light *** combined optoelectr.nic and ionotr.nic capabilities of two-ter.inal CCPS devices pr.sent extensive oppor.unities acr.ss sever.l *** potential applications r.nge fr.m phased ar.ays and optical switching to their.use in envir.nmental sensing and metr.logy,optical imaging systems,and neur.mor.hic systems in light-sensitive ar.ificial synapses.

关键词： tuning polar.zation r.fr.ctive

Lipid-nanopar.icle-enabled nucleic acid ther.peutics for.liver.disor.er.

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Acta Phar.aceutica Sinica B 2024年第7期14卷 2885-2900页

作者： Por.izhi Ar.unan Dur.a Kathir.elu Gokulnath Mahalingam Ashish Kumar.Goel Uday Geor.e Zachar.iah Alok Sr.vastava Sr.jan marepally Center.for.Stem Cell r.sear.h(A Unit of inStem Bengaluru)Christian Medical College CampusBagayamVellore 632002Tamil NaduIndia Manipal academy for.higher.education Mangalore 576104KarnatakaIndia Depar.ment of Hematology Christian Medical College&HospitalVellore 632004Tamil NaduIndia Depar.ment of Hepatology Christian Medical College&HospitalVellore 632004Tamil NaduIndia

Inher.ted genetic disor.er. of the liver.pose a significant public health *** tr.nsplantation is often limited by the availability of donor.liver. and the exor.itant costs of immunosuppr.ssive *** over.ome these limitations,nucleic acid ther.py pr.vides a hopeful alter.ative that enables gene r.pair.gene supplementation,and gene silencing with suitable *** vir.l vector. ar. the most efficient and pr.fer.ed for.gene ther.py,pr.-existing immunity debilitating immune r.sponses limit their.*** a potential alter.ative,lipid nanopar.icle-mediated vector. ar. being explor.d to deliver.multiple nucleic acid for.s,including pDNA,mr.A,sir.A,and ***,we discuss the br.ader.applications of lipid nanopar.icles,fr.m pr.tein r.placement ther.py to r.stor.ng the disease mechanism thr.ugh nucleic acid deliver. and gene editing,as well as multiple pr.clinical and clinical studies as a potential alter.ative to liver.tr.nsplantation.

关键词： Lipid nanopar.icle Liver.disor.er. Gene ther.py Gene editing Nucleic acid deliver. pDNA mr.A sir.A ASO Clinical tr.als

Tr.sted Cer.ified Auditor.Using Cr.ptogr.phy for.Secur. Data Outsour.ing and Pr.vacy Pr.ser.ation in Fog-Enabled VANETs

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Computer., Mater.als & Continua 2024年第5期79卷 3089-3110页

作者： Nagar.ju Pachar.a K.srinivasa r.ddy School of Computer.Science and Engineer.ng VIT-AP UniversityAmaravatiAndhra Pradesh522237India

With the r.cent technological developments,massive vehicular.ad hoc networ.s(VANETs)have been established,enabling numer.us vehicles and their.r.spective r.ad Side Unit(r.U)components to communicate with *** best way to enhance tr.ffic flow for.vehicles and tr.ffic management depar.ments is to shar. thedata they *** needs to be mor. pr.tection for.the VANET *** effective and safe methodof outsour.ing is suggested,which r.duces computation costs by achieving data secur.ty using a homomor.hicmapping based on the conjugate oper.tion of *** r.sear.h pr.poses a VANET-based data outsour.ingsystem to fix the *** keep data outsour.ing secur.,the suggested model takes cr.ptogr.phy models *** will keep the gener.ted keys for.the pur.ose of vehicle *** contr.lling and over.eeingthe outsour.ed data while pr.ser.ing pr.vacy,the suggested appr.ach consider. the Tr.sted Cer.ified Auditor.TCA).Using the secr.t key,TCA can identify the genuine identity of VANETs when har.ful messages *** pr.posed model develops a TCA-based unique static vehicle labeling system using cr.ptogr.phy(TCA-USVLC)for.secur. data outsour.ing and pr.vacy pr.ser.ation in *** pr.posed model calculatesthe tr.st of vehicles in 16 ms for.an aver.ge of 180 vehicles and achieves 98.6%accur.cy for.data encr.ption topr.vide *** pr.posedmodel achieved 98.5%accur.cy in data outsour.ing and 98.6%accur.cy in pr.vacypr.ser.ation in fog-enabled *** cur.e cr.ptogr.phy models can be applied in the futur. for.better.ncr.ption and decr.ption r.tes with lightweight cr.ptogr.phy oper.tions.

关键词： Vehicular.ad-hoc networ.s data outsour.ing pr.vacy pr.ser.ation cr.ptogr.phy keys tr.sted cer.ified auditor. data secur.ty

Cr.ogenic and conventional milling of AZ91 magnesium alloy

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Jour.al of Magnesium and Alloys 2024年第6期12卷 2503-2519页

作者： Vikas Mar.kini srinivasa Pai P Gur.r.j Bolar.Bhaskar. P Achar Depar.ment of Mechanical Engineer.ng Nitte(Deemed to be University)NMAM Institute of Technology(NMAMIT)Nitte 574110India Depar.ment of Mechanical and Industr.al Engineer.ng Manipal Institute of TechnologyManipal Academy of Higher EducationManipal 576104India

Use of magnesium is the need of the hour.due to its low density as well as its high str.ngth-to-weight and stiffness-to-weight r.tio *** study focuses on the effectiveness of liquid nitr.gen(LN_(2))assisted cr.ogenic machining on the sur.ace integr.ty(SI)char.cter.stics of AZ91 magnesium *** milling using uncoated car.ide inser.s have been per.or.ed under.liquid nitr.gen(LN_(2))assisted cr.ogenic condition and compar.d with conventional(dr.)*** ar. per.or.ed using machining par.meter. in ter.s of cutting speeds of 325,475,625 m/min,feed r.tes of 0.05,0.1,0.15 mm/teeth and depth of cuts of 0.5,1,1.5 mm *** significant sur.ace integr.ty char.cter.stics such as sur.ace r.ughness,micr.har.ness,micr.str.ctur.,and r.sidual str.sses have been *** of SI char.cter.stics with r.spect to milling par.meter. have been identified using statistical technique such as ANOVA and signal-to-noise(S/N)r.tio ***,the multi cr.ter.a decision making(MCDM)techniques such as additive r.tio assessment method(Ar.S)and complex pr.por.ional assessment(COPr.S)have been utilized to identify the optimal conditions for.milling AZ91 magnesium alloy under.both dr. and cr.ogenic *** of LN_(2)dur.ng machining,r.sulted in r.duction in machining temper.tur. by upto 29%with a temper.tur. dr.p fr.m 251.2℃under.dr. condition to 178.5℃in cr.ogenic *** showed the advantage of per.or.ing cr.ogenic milling in impr.ving the sur.ace integr.ty to a significant *** machining consider.bly minimized the r.ughness by upto 28%and maximised the micr.har.ness by upto 23%,when compar.d to dr. *** speed has caused significant impact on sur.ace r.ughness(95.33%-dr.,92.92%-cr.ogenic)and sur.ace micr.har.ness(80.33%-dr.,82.15%-cr.ogenic).Due to the r.duction in machining temper.tur.,cr.ogenic condition r.sulted in compr.ssive r.sidual str.sses(maximumσ║=-113 MPa)on the alloy *** indicate no

关键词： Magnesium alloy Cr.ogenic machining r.ughness Micr.har.ness Micr.str.ctur. r.sidual str.ss Multi cr.ter.a decision making

Technological advancements in millet dehulling and polishing pr.cess: An insight into pr.tr.atment methods, machiner.es and impact on nutr.tional quality

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Gr.in & Oil Science and Technology 2024年第3期7卷 186-195页

作者： Shagolshem Mukta Singh Jayasr.e Joshi T P.srinivasa r.o Agr.cultur.l and Food Engineer.ng Depar.ment Indian Institute of Technology KharagpurKharagpurWest Bengal 721302India

Millets ar. widely r.cognized for.their.nutr.tional significance;however. the methods employed for.their.pr.cessing ar. cur.ently lacking. This ar.icle pr.mar.ly focuses on the advanced technologies and pr.gr.ssions in millet dehulling and polishing. These technologies oper.te based on the fundamental pr.nciples of compr.ssion-shear.ng, abr.sion-fr.ction, and centr.fugal-impact for.es. Pr.cessing of millets can be challenging because of the physical char.cter.stics and tight attachment of hull and br.n to the endosper.. However. sever.l dehuller. have been designed to solve this pr.blem for.differ.nt kinds of millets. In addition, the nutr.tional and anti-nutr.tional char.cter.stics under.o alter.tions due to both dehulling and polishing pr.cesses. These alter.tions ar. thor.ughly examined and discussed in this ar.icle. Specifically, anti-nutr.ents such as tannins and phytate ar. pr.dominantly found in the outer.per.car. of the gr.in and exper.ence a r.duction after.under.oing dehulling and polishing. The nutr.tional pr.per.ies ar. also subjected to a r.duction;however. this r.duction can be mitigated by subjecting the gr.ins to cer.ain pr.tr.atments befor. dehulling and polishing. These tr.atments ser.e to enhance dehulling efficiency and nutr.ent digestibility while simultaneously r.ducing the pr.sence of anti-nutr.ents. Novel ther.al and non-ther.al methodologies such as micr.wave, hydr.ther.al, high-pr.ssur. pr.cessing, and ohmic heating can be employed for.pr.cessing millets, ther.by diminishing the loss of nutr.ents. Additional r.sear.h can be car.ied out to investigate their.impact on the dehulling and polishing of millets.

关键词： Millets Dehulling Polishing Pr.tr.atment Novel ther.al and non-ther.al techniques

r.sear.h pr.gr.ss in fr.ction stir.pr.cessing of magnesium alloys and their.metal matr.x sur.ace composites: Evolution in the 21^(st )centur.

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Jour.al of Magnesium and Alloys 2024年第6期12卷 2091-2146页

作者： r.shan Vijay Mar.de Tamir. Alemu Lemma Nabihah Sallih srinivasa r.o Pedapati Mokhtar.Awang Adeel Hassan Depar.ment of Mechanical Engineer.ng Universiti Teknologi PETRONASBandarSeri IskandarPerak 32610Malaysia Depar.ment of Mechanical Engineer.ng College of EngineeringThe University of Texas Permian BasinMidland-OdessaUnited States Mechanical Engineer.ng Depar.ment Universiti Teknologi BruneiBrunei

r.sing concer.s about climate change dr.ve the demand for.lightweight ***(Mg)alloys ar. highly valued for.their.low weight,making them incr.asingly impor.ant in var.ous *** focusing on enhancing the char.cter.stics of Mg alloys and developing their.Metal Matr.x Composites(MMCs)have gained significant attention wor.dwide over.the past decade,dr.ven by the global shift towar.s lightweight *** Stir.Pr.cessing(FSP)has emer.ed as a pr.mising technique to enhance the pr.per.ies of Mg alloys and pr.duce ***,FSP adapted to r.fine gr.in size fr.m the micr. to the nano level and acceler.ted the development of MMCs due to its solid-state natur. and the syner.istic effects of micr.str.ctur. r.finement and r.infor.ement,impr.ving str.ngth,har.ness,ductility,wear.r.sistance,cor.osion r.sistance,and fatigue ***,pr.ducing defect-fr.e and sound FSPed Mg and Mg-MMCs r.quir.s addr.ssing sever.l var.ables and their.inter.ependencies,which opens up a br.ad r.nge of pr.ctical *** existing r.views on individual FSP of Mg,its alloys,and MMCs,an attempt has been made to analyze the latest r.sear.h on these thr.e aspects collectively to enhance the under.tanding,application,and effectiveness of FSP for.Mg and its *** r.view ar.icle discusses the liter.tur.,classifies the impor.ance of Mg alloys,pr.vides a histor.cal backgr.und,and explor.s developments and potential applications of FSPed Mg *** focuses on novel fabr.cation methods,r.infor.ement str.tegies,machine and tool design par.meter.,mater.al char.cter.zation,and integr.tion with other.methods for.enhanced *** influence of pr.cess par.meter. and the emer.ence of defects ar. examined,along with specific applications in mono and hybr.d composites and their.micr.str.ctur. *** study identifies pr.mising r.infor.ement mater.als and highlights r.sear.h gaps in FSP for.Mg alloys and MMCs *** conclude

关键词： Magnesium alloys Fr.ction stir.pr.cessing Metal matr.x composites Lightweight Sur.ace modification

Hydr.ther.al tr.atment of pear. millet gr.ins:Effects on nutr.tional composition,antinutr.ents and flour.pr.per.ies

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Gr.in & Oil Science and Technology 2024年第2期7卷 87-95页

作者： P.Pr.shanth T.Jayasr.e Joshi Shagolshem Mukta Singh P.srinivasa r.o Agr.cultur.l and Food Engineer.ng Depar.ment Indian Institute of Technology KharagpurKharagpurWest Bengal 721302India

Pear. millet(Pennisetum glaucum)is one of the major.millets with high nutr.tional *** cr.p exhibits exceptional r.silience to dr.ught and high ***,the pr.cessing of pear. millet poses a significant challenge due to its high lipid content,enzyme activity,and pr.sence of ***,it becomes imper.tive to enhance the quality and pr.long the shelf life of pear. millet flour.by employing suitable *** tr.atment in the food industr. has long been seen as pr.mising due to its potential to r.duce micr.bial load,inactivate enzymes,and impr.ve nutr.ent *** study aims to investigate the effects of hydr.ther.al tr.atment on the quality char.cter.stics of pear. *** independent var.ables of the study wer. soaking temper.tur.(35,45,55℃),soaking time(2,3,4 h),and steaming time(5,10,15 min).Tr.atment conditions had a statistically significant effect on nutr.ent *** antinutr.ents like tannins and phytates wer. r.duced by 0.99% to 5.94% and 0.36% to 6.00%,r.spectively,after.the *** activity decr.ased significantly up to 10% with the tr.atment *** findings of this study could potentially encour.ge the use of pear. millet flour.in the pr.duction of var.ous food items and pr.mote the application of hydr.ther.al tr.atment in the field of food pr.cessing.

关键词： Pear. millet Hydr.ther.al tr.atment Nutr.tional pr.per.ies Antinutr.ents

r.dent biology and ecologically based r.dent management(EBr.)-25 year. of pr.gr.ss thr.ugh pr.moting multidisciplinar. r.sear.h

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Integr.tive Zoology 2024年第1期19卷 2-7页

作者： Gr.nt r. SINGLETON Lyn A. HINDS r.odes MAKUNDI Steven r. BELMAIN Natur.l r.sour.es Institute University of Greenwich Kent UK CSIr. Health and Biosecur.ty Canberra ACT Australia Afr.can Centr. of Excellence for.Innovative r.dent Pest Management and Biosensor.Technology Development Sokoine University of Agriculture Morogoro Tanzania Institute of Pest Management Sokoine University of Agriculture Morogoro Tanzania

“Dur.ng r.dent outbr.ak year. in easter. Afr.ca,lo-cally,mor. than 80%of the potential har.est may be lost,but even in non-outbr.ak per.ods,r.dents cause chr.nic damage to cr.ps….The pest r.dent stor. in Afr.ca in-volves sever.l species embedded in a br.ad and var.able landscape with highly var.able densities.”(Leir. et al.2010).

关键词： damage cr.ps

Fr.eze-thaw cycles and associated geomor.hology in a post-glacial envir.nment:cur.ent glacial,par.glacial,per.glacial and pr.glacial scenar.os at Pico de Or.zaba volcano,Mexico

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Jour.al of Mountain Science 2024年第6期21卷 1954-1977页

作者： Víctor.SOTO Car.os M.WELSH r. Kenji YOSHIKAWA Hugo DELGADO Gr.NADOS Centr. de Ciencias de la Tier.a Universidad VeracruzanaCircuito Gonzalo Aguirre BeltránS/NZona Universitaria91090XalapaMéxico Water.and Envir.nmental r.sear.h Center University of Alaska FairbanksFairbanksAlaska 99775USA Instituto de Geofísica Universidad Nacional Autónoma de MéxicoCiudad de México 04150México Depar.ment of Ear.h and Envir.nmental Sciences Ludwig Maximilians UniversitätMunich 80333Germany

The glacial histor. of Pico de Or.zaba indicates that dur.ng the Last Glacial Maximum,its icecap cover.d up to~3000 m asl;due to the air.temper.tur. incr.asing,its main glacier.has r.tr.ated to 5050 m *** r.tr.ction of the glacier.has left behind an intense climatic instability that causes a high fr.quency of fr.eze-thaw cycles of gr.at intensity;the r.sulting geomor.hological pr.cesses ar. r.pr.sented by the fr.gmentation of the bedr.ck that occupies the upper.par.s of the *** is a notable lack of studies r.gar.ing the fr.gmentation and er.sion occur.ing in tr.pical high mountains,and the associated geomor.hological r.sks;for.this r.ason,as a fir.t stage of futur. continuous r.sear.h,this study analyzes the fr.ezing and thawing cycles that occur.above 4000 m asl,thr.ugh continuous monitor.ng of sur.ace gr.und *** r.sults allow us to identify and char.cter.ze four.zones:glacial,par.glacial,per.glacial and *** was found that the par.glacial zone pr.sents an intense dr.p of temper.tur.,of up to~9℃ in only sixty *** r.ck fatigue and intense fr.eze-thaw cycles that occur.in this ar.a ar. r.sponsible for.the high r.te of r.ck disintegr.tion and r.pr.sent the main factor.of the constant slope dynamics that occur.at the *** activity decr.ases,both in fr.quency and intensity,accor.ing to the distance to the glacier.which is wher. the temper.tur. pr.sents a cer.ain degr.e of stability,until r.aching the pr.glacial zone,wher. cycles ar. almost non-existent,and ther.for. ther. is no gelifr.ction *** geomor.hological pr.cesses have r.sulted in significant alter.tions to the mountain slopes,which can have sever. consequences in ter.s of r.sk and water.

关键词： Fr.eze-Thaw Gelifr.ction Mountain mechanical er.sion Per.glacial geomor.hology Postglacial scenar.os