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Medical implants by using RP and investment casting technologies

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China Foundry 2011年第1期8卷 107-111页

作者： Milan Horáek Ondej Charvát tomá Pavelka Josef Sedlák Martin Madaj Jindich Nejedl Jan Dvoáek Faculty of Mechanical Engineering Institute of Manufacturing Technology-Department of Foundry EngineeringBrno University of Technology

the paper deals with the production technology of knee joint replacement by using rapid prototyping *** aim of the work is to outline the manufacturing technology intended for prototype production with the use of rapid prototyping and investment casting technology for use in orthopaedics and the surgery of knee joint *** research results should make an effective contribution in the attempts to minimize the invasive surgical procedure,shorten the production of knee joint replacement as well as reduce the *** present,the research is focused on the preparation of StL data from Ct (Computed tomography) and verification of the production technology of prototypes made using available RP technology and its evaluation.

关键词： rapid prototyping investment casting knee joint replacement computed tomography

Single balloon enteroscopy for endoscopic retrograde cholangiography in patients with Roux-en-Y hepaticojejuno anastomosis

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World Journal of Gastroenterology 2013年第44期19卷 8047-8055页

作者： Bohuslav Kianika Jan Lata Ivo Novotny Petr Dítě Jirí Vaníek 2nd Clinic of Internal Medicine Department of Gastroenterology St. Anne’s University Hospital Brno 656 91 Brno Czech Republic University of Ostrava Faculty of Medicine 703 00 Ostrava Czech Republic Department of Gastroenterology Masaryk Memorial Cancer Institute 602 00 Brno Czech Republic Academic Centre of Digestive Oncology Faculty of Medicine University of Ostrava 703 00 Ostrava Czech Republic Department of Diagnostic Imaging and International Clinical Research Center (ICRC) St. Anne’s University Hospital Brno 656 91 Brno Czech Republic

AIM:to evaluate single balloon enteroscopy in diagnostic and therapeutic endoscopic retrograde cholangiography(ERC)in patients with Roux-en-Y hepaticojejunoanastomosis(HJA).MEtHODS:the study took place from January 2009to December 2011 and we retrospectively assessed 15patients with Roux-en-Y HJA who had signs of biliary *** total,23 ERC procedures were performed in these patients and a single balloon videoen-teroscope(Olympus SIF Q 180)was used in all of the cases.A transparent overtube was drawn over the videoenteroscope and it freely moved on the working part of the *** distal end was equipped with a silicone balloon that was inflated by air from an external pump at a pressure of≤5.4 *** technical limitations or rather the parameters of the single balloon enteroscope(working length-200 cm,diameter of the working channel-2.8 mm,absence of Albarran bridge)showed the need for special endoscopic ***:Cannulation success was reached in diagnostic ERC in 12 of 15 *** findings were normal in 1 of 12 *** in the remaining 11 patients showed some pathological *** of these(cystic bile duct dilation)was subsequently resolved *** treatment was initialized in the remaining 10 patients(5 with HJA stenosis,2 with choledocholithiasis,and 3 with both).this treatment was successful in 9 of 10 *** endoscopic therapeutic procedures included:balloon dilatation of HJA stenosis-11 times(7 patients);choledocholitiasis extraction-five times(5 patients);biliary plastic stent placement-six times(4 patients);and removal of biliary stents placed by us-six times(4 patients).the mean time of performing a single ERC was 72 *** longest procedure took 110 min and the shortest took34 *** shows that it is necessary to allow for more time in individual ***,these procedures require the presence of an *** did not observe any complications in these 15 ***

关键词： Single balloon enteroscopy Endoscopic retrograde cholangiography Roux-Y hepaticojejunoanastomosis Endoscopic diagnosis Endoscopic treatment

Antibacterial activity of various leaf extracts of Merremia emarginata

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Asian Pacific Journal of tropical Biomedicine 2011年第5期1卷 406-408页

作者： ek Elumalai M Ramachandran t thirumalai P Vinothkumar P.G.and Research Department of Zoology Physiology WingVoorhees College Bioinformatics Center Central Agricultural Research InstitutePort BlairAndaman & Nicobar P.G.and Department of Microbiology Mohamed Sathak College of Arts and ScienceSholinganallur

Objective:to investigate the antibacterial activity and phytochemical screening of the *** and petroleum ether leaf extracts of Merremia emarginata(***).Methods:the antibavterial activity of leaf extracts of *** were evaluated by agar well diffusion method against four selected bacterial ***:the presence of tannins,flavonoids,amino acids,starch,glycosides and carbohydrates in the different leaf extracts was *** methanol extract was more effective against Baciilus cereus and Eseherkhia coli,whereas aqueous extract was more effective against Staphylococcus aureus and Pseudomonas ***:the results in the present study suggest that *** leaf can be used in treating diseases caused by the tested organisms.

关键词： Merremia emarginata Methanol extract Aqueous extract

Effect of Solanum surattense seed on the oxidative potential of cauda epididymal spermatozoa

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Asian Pacific Journal of tropical Biomedicine 2012年第1期2卷 21-23页

作者： thirumalai t David E Viviyan therasa S Elumalai ek Post Graduate and Research Department of Zoology Voorhees CollegePhysiology Wing

Objective:to evaluate the effect of aqueous seed extract of Solarium suratlense(***)on the oxidative potential of cauda cpididymal ***:*** seed extract was orally administered at the dosage of 10 mg/kg *** 15 days,after which aspartate transferase(ASt),alanine transferase(ALt),glutamate dehydrogenase(GDH),citric acid and isocitrate dehydrogenase(ICDH)were ***:the activity levels of the enzymes ASt and ALt,which are considered to be the androgenicity in the sperm suspension,were depleted in the extract fed *** activity level of the enzyme ICDH,was reduced significantly in the treated group(Pt can be concluded that the oral administration of the aqueous seed extract of *** can deplete the oxidative stress of cauda epididymal spermatozoa in albino rats.

关键词： Sperm Solanum surattense Contraception Antifertility

Hypolipidaemic and antioxidant effect of Enicostemma littorale Blume

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Asian Pacific Journal of tropical Biomedicine 2011年第5期1卷 381-385页

作者： thirumalai t Viviyan therasa S Elumalai ek David E Post Graduate and Research Department of Zoology Voorhees CollegePhysiology Wing

Objective:to investigate the hypolipidaemic and antioxidant effects of aqueous leaf extract of Enicoslemma littorale(***)Blume(Ens)against ethanol induced hepatic injury in albino ***:Male albino rats of six numbers in each group were undertaken for *** and antioxidant effect of *** Blume(Ens)aqueous leaf extract at a dosage of 250 mg/kg bw was ***:Levels of serum and tissue cholesterol,triglycerides and free fatty acids were elevated and levels of tissue thiobarbituric acid reactive substances(tBARS)and lipid hydroperoxide were increased in ethanol treated *** activity levels of liver antioxidant enzymes such as superoxide dismutase(SOD),catalase(CAt),glutathione peroxidase(GPX)and glutathione-s-transferase(GSt)were *** adiminstration of extract of E,littorale Blume,levels of cholesterol,triglycerides and free fatty acids were decreased in serum and liver tissue,levels of tBARS and lipid hydroperoxide were decreased,and Ever antioxidant enzymes were increased in liver tissue;Conclusions:It can be concluded that the aqueous leaf extract of E,littorale Blume(Ens)has potent restorative effect on hyperlipidaemic and oxidative stress.

关键词： Hepatoprotective Ethanol Antioxidant enzymes Enicostemma littorale Blume Oxidative stress Hypolipidaemic effect

Hypoglycemic effect of Brassica juncea(seeds) on streptozotocin induced diabetic male albino rat

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Asian Pacific Journal of tropical Biomedicine 2011年第4期1卷 323-325页

作者： t thirumalai S Viviyan therasa ek Elumalai E David P.G.and Research Department of Zoology Voorhees CollegePhysiology wingVellore-632001(T.N.)India

Objective:to evaluate the hypoglycemic effect of Brassica juncea(seeds) on streptozotocin induced diabetic male albino ***:Hypoglycemic activity of Brassica juncea(seeds)aqueous extract at a dose of 250,350 and 450 mg/kg body weight was *** male Swiss albino rats of six numbers in each group was undertaken for study and ***:the serum insulin levels were recorded a significant depletion in all groups,short term as well as long term diabetic animals,when compared to that of normal animals.A significant dosage dependent augmenting effect of the seed extract on the serum insulin was recorded in both short term as well as long term ***:the aqueous seed extract of Brassica juncea has potent hypoglycemic activity in male albino rat.

关键词： Hypoglycemic Diabetes mellitus Ayurveda Anti-diabetic Insulin

Molecular studies resolve Nyholmiella (Orthotrichaceae) as a separate genus

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Journal of Systematics and Evolution 2010年第3期48卷 183-194页

作者： Jakub SAWICKI Vítězslav PLek Monika SZCZECINSKA Department of Botany and Nature Protection University of Warmia and Mazury in OlsztynPlacLódzki 110-727 OlsztynPoland Department of Biology & Ecology University of OstravaChittussiho 10CZ-710 00Czech Republic

two Orthotrichum species of the subgenus Orthophyllum were compared with other representatives of this genus using internally transcribed spacer regions 1 and 2,the chloroplast trnH-psbA region,and inter-simple sequence repeat(ISSR)and intron-exon splice conjunction(ISJ)*** ISSR and ISJ markers used revealed many bands and mutations specific only to *** and *** analysis clearly supported previous concepts postulating that species of the subgenus Orthophyllum should be recognized as the separate genus Nyholmiella.

关键词： molecular taxonomy Nyholmiella Orthotrichum phylogeny.

In Situ Etching for total Control Over Axial and Radial Nanowire Growth

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Nano Research 2010年第4期3卷 264-270页

作者： Magnus t.Borgström Jesper Wallentin Johanna trägårdh Peter Ramvall Martin ek LReine Wallenberg Lars Samuelson Knut Deppert Solid State Physics Lund UniversityBox 118S-22100LundSweden Polymer&Materials Chemistry/nCHREM Lund UniversityS-22100 LundSweden H.H.Wills Physics Laboratory University of BristolTyndall AvenueBristol BS81TLUnited Kingdom

We report a method using in situ etching to decouple the axial from the radial nanowire growth pathway,independent of other growth *** a wide range of growth parameters can be explored to improve the nanowire properties without concern of tapering or excess structural defects formed during radial *** demonstrate the method using etching by HCl during InP nanowire *** improved crystal quality of etched nanowires is indicated by strongly enhanced photoluminescence as compared to reference nanowires obtained without etching.

关键词： MOVPE nanowire growth in situ etching photoluminescence