RA V9 N2, Mensaje del Editor en Jefe (mayo – agosto, 2019) by Pedro Castro Borges

“…En el cuarto artículo procedente de México, José Trinidad Pérez-Quiroz y colegas evaluaron el desempeño frente a la corrosión de uniones soldadas disimiles, utilizando como metales base acero al carbono ASTM A 615 y acero inoxidable austenítico AISI 304, y como metal de aporte electrodo ER-309L, se utilizó bisel simple a 45°. …”
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Fatores com influência sobre saúde e conforto de operários em indústria gráfica Factors affecting the Health and comfort of workers in a printing trade by João de Barros Barreto, Octavio G. de Oliveira, Tito A. Cavalcanti

“…E, dando de começo particular relevo às fontes produtoras de poerias e fumos de chumbo nas oficinas de Composição, Fundição, Linotipia e Estereotipia, aludem, desde logo, como fator importante desta poluição, às práticas de limpeza de máquinas e locais, em que se trabalha com liga contendo aquele metal. Revistam como se processa tal limpeza na I. …”
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Some spectroscopic studies of derivatives of the Group III elements by Johnson, E, Johnson, Eric Martin

“…It is suggested that direct metal-metal interactions nay be involved in the formation of the new diffusion species:</p> <p><em>[For the diagram omitted here, please consult the PDF]</em></p> <p>In the discussion of the spectra of the solid compounds of trimethylgallium, -indium and -thallium, it is concluded that whilst a site symmetry approach is definitely inappropriate it is not possible to decide which of the two extended approaches (the aggregate unit or the factor group) is the more suitable. …”

QS9: Host Biofilm Interaction In Breast Implant Illness by Imran Khan, PhD, Robert E. Minto, PhD, Christine Kelley-Patteson, MD, Bruce Van Natta, MD, Ganesh Mohan, PhD, Lily Suh, BA, Kanhaiya Singh, PhD, Mary Lester, MD, R Jason VonDerHaar, MD, Gayle M. Gordillo, MD, Aladdin Hassanein, MD, Chandan K. Sen, PhD, Marshall E. Kadin, MD, Mithun Sinha, PhD

“…In consideration of reports of biofilm association with other metal implants, the findings of this study can possibly explain autoimmune response associated with those implants.…”
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Structure, Optical and Magnetic Properties of Two Isomeric 2-Bromomethylpyridine Cu(II) Complexes [Cu(C₆H₉NBr)₂(NO₃)₂] with V... by Fatma Garci, Hammouda Chebbi, Nahal Rouzbeh, Leonhard Rochels, Sabrina Disch, Alexander Haseloer, Sean S. Sebastian, Uwe Ruschewitz, Eric Tobechukwu Anthony, Axel Klein, Mohamed Faouzi Zid

“…In contrast to this, FT-IR and Raman frequencies are markedly different for the two isomers and the UV–vis absorption spectra in solution show marked differences in the π–π* absorptions at 263 (<b>CuL²</b>) or 270 (<b>CuL¹</b>) nm and in the ligand-to-metal charge transfer bands at around 320 nm which are pronounced for <b>CuL¹</b> with the higher symmetry at the Cu(II) center, but very weak for <b>CuL²</b>. …”
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Dissecting Listeria monocytogenes Persistent Contamination in a Retail Market Using Whole-Genome Sequencing by Yan Wang, Lijuan Luo, Shunshi Ji, Qun Li, Hong Wang, Zhendong Zhang, Pan Mao, Hui Sun, Lingling Li, Yiqian Wang, Jianguo Xu, Ruiting Lan, Changyun Ye

“…A novel plasmid, pLM1692, a truncated pLM1686 plasmid without the cadmium, and other heavy metal resistance genes were conserved in all wgST31 isolates. …”
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Association of acute toxic encephalopathy with litchi consumption in an outbreak in Muzaffarpur, India, 2014: a case-control study by Aakash Shrivastava, PhD, Anil Kumar, MD, Jerry D Thomas, MD, Kayla F Laserson, ScD, Gyan Bhushan, MD, Melissa D Carter, PhD, Mala Chhabra, MD, Veena Mittal, MD, Shashi Khare, MD, James J Sejvar, MD, Mayank Dwivedi, MD, Samantha L Isenberg, PhD, Rudolph Johnson, PhD, James L Pirkle, MD, Jon D Sharer, PhD, Patricia L Hall, PhD, Rajesh Yadav, MBBS, Anoop Velayudhan, MBBS, Mohan Papanna, MD, Pankaj Singh, D Somashekar, MD, Arghya Pradhan, MBBS, Kapil Goel, MD, Rajesh Pandey, MBBS, Mohan Kumar, MBBS, Satish Kumar, MD, Amit Chakrabarti, MD, P Sivaperumal, PhD, A Ramesh Kumar, PhD, Joshua G Schier, MD, Arthur Chang, MD, Leigh Ann Graham, PhD, Thomas P Mathews, PhD, Darryl Johnson, PhD, Liza Valentin, PhD, Kathleen L Caldwell, PhD, Jeffery M Jarrett, MS, Leslie A Harden, MS, Gary R Takeoka, PhD, Suxiang Tong, PhD, Krista Queen, PhD, Clinton Paden, PhD, Anne Whitney, PhD, Dana L Haberling, MSPH, Ram Singh, PhD, Ravi Shankar Singh, MD, Kenneth C Earhart, MD, A C Dhariwal, MD, L S Chauhan, DPH, S Venkatesh, MD, Padmini Srikantiah, DrMD

“…Clinical specimens (blood, cerebrospinal fluid, and urine) and environmental specimens (litchis) were tested for evidence of infectious pathogens, pesticides, toxic metals, and other non-infectious causes, including presence of hypoglycin A or methylenecyclopropylglycine (MCPG), naturally-occurring fruit-based toxins that cause hypoglycaemia and metabolic derangement. …”
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The site preference and doping effect on mechanical properties of Ni3Al-based γ′ phase in superalloys by combing first-principles calculations and thermodynamic model by Hamid Ali, Rong Chen, Bo Wu, Tianliang Xie, Liangji Weng, Jiansen Wen, Qipeng Yao, Longju Su, Yan Zhao, Panhong Zhao, Baisheng Sa, Yu Liu, Chunxu Wang, Hang Su, Asif Hayat

“…In this contribution, the temperature- and composition-dependent site occupying preferences of the binary, ternary, and quaternary of Ni3Al-based γ′ phase alloyed with Mi where Mi represents the additional transitional metals Co, Cr, Cu, Fe, Mn, Mo, Re, Ta, Ti, V, or W atoms (arranged in alphabetical order) chosen frequently, were studied using a two-sublattice thermodynamic model (Ni, Al, Mi)1a(Ni, Al, Mi)3c. …”
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Whole-Genome Sequencing and Machine Learning Analysis of <named-content content-type="genus-species">Staphylococcus aureus</named-content> from Multiple Heterogeneous Sources in Ch... by Wei Wang, Michelle Baker, Yue Hu, Jin Xu, Dajin Yang, Alexandre Maciel-Guerra, Ning Xue, Hui Li, Shaofei Yan, Menghan Li, Yao Bai, Yinping Dong, Zixin Peng, Jinjing Ma, Fengqin Li, Tania Dottorini

“…In addition, novel variants of SCCmec type IV hosting extra metal and antimicrobial resistance genes, as well as a new SCCmec type, were found. …”
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Source apportionment study on particulate air pollution in two high-altitude Bolivian cities: La Paz and El Alto by V. Mardoñez, V. Mardoñez, M. Pandolfi, L. J. S. Borlaza, J.-L. Jaffrezo, A. Alastuey, J.-L. Besombes, I. Moreno R., N. Perez, G. Močnik, G. Močnik, G. Močnik, P. Ginot, R. Krejci, V. Chrastny, A. Wiedensohler, P. Laj, P. Laj, M. Andrade, M. Andrade, G. Uzu

“…The samples were later analyzed for a wide range of chemical species including numerous source tracers (OC, EC, water-soluble ions, sugar anhydrides, sugar alcohols, trace metals, and molecular organic species). The United States Environmental Protection Agency (U.S. …”
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Experimental Insight into the Structural and Functional Roles of the ‘Black’ and ‘Gray’ Clusters in Recoverin, a Calcium Binding Protein with Four EF-Hand Motifs by Sergey E. Permyakov, Alisa S. Vologzhannikova, Ekaterina L. Nemashkalova, Alexei S. Kazakov, Alexander I. Denesyuk, Konstantin Denessiouk, Viktoriia E. Baksheeva, Andrey A. Zamyatnin, Evgeni Yu. Zernii, Vladimir N. Uversky, Eugene A. Permyakov

“…To understand a role of these residues in structure and function of human recoverin, we sequentially substituted them for alanine and studied the resulting mutants by a set of biophysical methods. Under metal-free conditions, the &#8216;black&#8217; clusters mutants (except for F35A and E169A) were characterized by an increase in the &#945;-helical content, whereas the &#8216;gray&#8217; cluster mutants (except for K119A) exhibited the opposite behavior. …”
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Mesyuarat Jawatankuasa Eksekutif Bil.11/2006, 19 Julai 2006 : minit mesyuarat dan kertaskerja by 495834 Universiti Teknologi Malaysia

“…Cadangan Untuk Mengadakan Memorandum Perjanjian (MoA) Di Antara Universiti Teknologi Malaysia Dengan Amalgamated Metal Builders (M) Sdn. Bhd (AMB ) -- 26. Cadangan Untuk Mengadakan Memorandum Persefahaman Di Antara Universiti Teknologi Malaysia Dengan Queensland University Of Technology, Australia -- 27. …”

A parametric study on design and characteristics of stepwise-built functionally graded Hydroxyapatite/Titanium by Siti Nur Sakinah, Jamaludin

“…As the material selection is the key element of developing an FGM, the composition of hydroxyapatite (HA) as the ceramic phase and titanium (Ti) as the metallic phase in HA/Ti FGM is seen as an excellent combination of high biocompatibility and high thermal resistance with high mechanical properties in a structural domain. …”
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Investigation on mechanical properties of glass fiber reinforced polyamide 6-polypropylene composites under different operating conditions by Nurizzathanis, Mohamad Kusaseh

“…Fiber reinforced polymers possess good properties such as light-weight, high levels of stiffness, high strength-to-weight ratio, and outstanding endurance strength as compared to other most common metallic alloys. This research study is investigating on mechanical properties of glass fiber reinforced polyamide 6-polypropylene composites under different operating conditions. …”
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Fundamental study of hybrid graphene oxide and nanofibrillated cellulose for aircraft wings application by Kumaran, Kadirgama, Rahman, M. M., Devarajan, Ramasamy, Mahendran, Samykano, Jose, Rajan

“…The focus of the present work was to investigate the performance of mono or hybrid metal oxide such as Al2O3 and TiO2 with or without plant base-extracted CNC with varying concentrations as a better heat transfer nanofluid in comparison to distilled water as a radiator coolant. …”
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Calidad de los efluentes líquidos en el proceso de optimización de las torres de enfriamiento de la refinería de zinc de Cajamarquilla, periodo 2013 a 2014 by Wilmer Silva Rivera, Vidal Aramburú Rojas

“…Esto permitió obtener efluentes con las mínimas concentraciones de metales, e impidió que su descarga al cuerpo receptor ocasionara algún efecto adverso en los componentes del ecosistema. …”
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Determination of Shielding Effectiveness of a Subnanosecond High-Power EM Interference by an Enclosure with Aperture Using Time Domain Approach by Magdalena Budnarowska, Jerzy Mizeraczyk

“…The protection of electronic objects against high-power EM pulses is provided by different types of metal enclosure shields with technological apertures, inside which sensitive electronic objects can be placed. …”
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Tuning Interlayer Exciton Emission with TMD Alloys in van der Waals Heterobilayers of Mo_0.5W_0.5Se₂ and Its Binary Counterparts by Mohammed Adel Aly, Emmanuel Oghenevo Enakerakpor, Martin Koch, Hilary Masenda

“…The unique properties observed in two-dimensional transition metal dichalcogenides and the possibility to engineer van der Waals heterostructures make them candidates for future high-tech devices. …”
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MONÓCITOS CIRCULANTE SÃO CAPAZES DE FAGOCITAR HEMÁCIAS FALCIZADAS COM CONSEQUENTE AUMENTO NO METABOLISMO DE FERRO by MD Borges, CM Souza, DM Albuquerque, C Lanaro, SO Saad, R Sest-Costa, FF Costa

“…Em conclusão, os MCs de pacientes com AF podem assumir uma função que não é completamente inata à eles quando expostos à hemácias falcizadas, contribuindo para a sua retirada da circulação e os aumentos de expressão de moléculas do metabolismo de ferro após a fagocitose, sugerindo influência importante dos MCs na disponibilidade do metal para suprir a demanda na produção de células eritróides e mostrando importante contribuição dessas células nos mecanismos da doença.…”
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Incidence and OR team awareness of “near-miss” and retained surgical sharps: a national survey on United States operating rooms by Samuel A. Weprin, Dielle Meyer, Rui Li, Umberto Carbonara, Fabio Crocerossa, Fernando J. Kim, Riccardo Autorino, John E. Speich, Adam P. Klausner

“…Abstract Introduction A retained surgical sharp (RSS) is a never event and defined as a lost sharp (needle, blade, instrument, guidewire, metal fragment) that is not recovered prior to the patient leaving the operating room. …”
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