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| 1 | Total homocysteine in plasma or serum: methods and clinical implications 显示文摘 | Per MU Helga R Sally P S | 1993 | Clin Chem1993，39，： | 1 |
| 2 | Perivascular cells expressing annexin A5 define a novel mesenchymal stem cell-like population with the capacity to differentiate into multiple mesenchymal lineages显示文摘 | Bent B Helga M Friederike P | 2005 | Development2005，132，11： | 1 |
| 3 | Does tree species composition control soil organic carbon pools in Mediterranean mountain forests? 显示文摘 | Eugenio D P AgustivL R Helga V M | 2011 | Forest Ecology and Management2011，，262： | 1 |
| 4 | Homoleptic Lanthanide Amides as Homogeneous Catalysts for the Tishchenko Reaction 显示文摘 | HELGA B ROESKY P W | 1998 | Angewandte Chemie International Edition1998，37，11： | 1 |
| 5 | Flap thickness accuracy显示文摘 | Kerry D Solomon Eric Donnenfeld Helga P Sandoval Oday Al Sarraf Terrance J Kasper Mike P Holzer Elizabeth H Slate David T Vroman Flap Thickness Study Group | 2004 | Journal of Cataract & Refractive Surgery2004，，5： | 1 |
| 6 | Comparison of ketorolac tromethamine 0.5% and loteprednol etabonate 0.5% for inflammation after phacoemulsification显示文摘 | Mike P Holzer Kerry D Solomon Helga P Sandoval David T Vroman | 2002 | Journal of Cataract & Refractive Surgery2002，，1： | 1 |
| 7 | Roleofplantb-glucosidases in the Dual Defense System of Irdoid Glycosides and Their Hydrolyzing Enzymes in Plantago Lanceolata and Plantago Major显示文摘 | HELGA P TORSTEN B CAROLINE M | 2013 | Phyto Chemistry2013，94，： | 1 |
| 8 | Influence of Iridoid Glycoside Containing Host Plants on Midgut b-glucosidase Activity in a Polyphagous Caterpillar,Spilisoma Viginica Fabricius(Arctiidae)显示文摘 | HELGA P M DEANE B SUSANNE D | 2010 | Journal of Insect Physiology2010，56，： | 1 |
| 9 | Total homocystein in plasma or serum:methods and clinical applications显示文摘 | Per MU Helga R Sally P S | 1993 | Clin Chem1993，39，： | 1 |
| 10 | Display of a peptide mimotope on a crys- talline bacterial cell surface layer(s-layer) lattice for diagnosis of epstein-barr virus infection 显示文摘 | Helga T Kathy P | 2008 | Bioconjugate Chem2008，19，4： | 1 |
| 11 | Refractive surgery survey 2001显示文摘 | Kerry D Solomon Mike P Holzer Helga P Sandoval Luis G Vargas Liliana Werner David T Vroman Terrance J Kasper David J Apple | 2002 | Journal of Cataract & Refractive Surgery2002，，2： | 1 |
| 12 | Phylogenetic relationships of Phytophthora species based on ribosomal ITSl DNA sequence analysis with emphasis on Waterhouse groups V and Vl显示文摘 | Helga O Michael P C | 2000 | Mycology Research2000，，9： | 1 |
| 13 | Reactions of alkylcyclo- pentanes over pt catalysts显示文摘 | HELGA Z ZOLTAN P | 1989 | J Mol Catal1989，51，3： | 1 |
| 14 | Demonstration of no catalytical activity of Fe-N-C and Nb-N-C electrocatalysts toward nitrogen reduction using in-line quantification显示文摘Ammonia(NH3)production via the electrochemical nitrogen reduction reaction(NRR)is a promising method for sustainable generation of this important chemical.Efforts are ongoing in finding an efficient,stable,and selective catalyst that will enable the reaction.However,progress is hindered in the field due to lack of reproducibility,most likely a consequence of reports of false-positive results due to improper measurement control and methods.In this study,we explore the NRR activity of a promising class of single atom catalysts,transition metal-nitrogen-carbon(M-N-C)electrocatalysts.Using a state-of-the-art in-line ammonia quantification methodology,with detection limit as low as 1 ppb for ammonia,we show that single atom Nb and Fe embedded in a stable carbon and nitrogen framework do not electrochemically reduce N_(2) to NH_(3).Critically,this demonstrates that our experimental setup with in-line sequential injection analysis successfully excludes ammonia contamination from the gas supply and atmospheric sources,allowing for thorough and high-throughput examination of potential NRR catalysts. | Arnar Sveinbjörnsson Anna Bergljót Gunnarsdóttir Erin B.Creel Camila Pía Canales Barr Zulevi Xiang Lyu Charl J.Jafta Egill Skúlason Alexey Serov Helga Dögg Flosadóttir | 2022 | SusMat2022，2，4： | 0 |
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