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https://www.readbyqxmd.com/read/29328113/spectroscopic-study-of-a-diffusion-bonded-sapphire-cell-for-hot-metal-vapors
#1
Naota Sekiguchi, Takumi Sato, Kiyoshi Ishikawa, Atsushi Hatakeyama
Characteristics of a diffusion-bonded sapphire cell for optical experiments with hot metal vapors were investigated. The sapphire cell consisted of sapphire-crystal plates and a borosilicate-glass tube, which were bonded to each other by diffusion bonding without any binders or glues. The glass tube was attached to a vacuum manifold using the standard method applied in glass processing, filled with a small amount of Rb metal by chasing with a torch, and then sealed. The cell was baked at high temperatures, and optical experiments were then performed using rubidium atoms at room temperature...
January 1, 2018: Applied Optics
https://www.readbyqxmd.com/read/29322764/rapid-veterinary-diagnosis-of-bovine-reproductive-infectious-diseases-from-semen-using-paper-origami-dna-microfluidics
#2
Zhugen Yang, Gaolian Xu, Julien Reboud, Syed Atif Ali, Gurpreet Kaur, John McGiven, Nongthombam Boby, Praveen Gupta, Pallab Chaudhuri, Jonathan Mark Cooper
The health and well-being of cattle is a significant concern for global agricultural output. In dairy production within low and middle income countries (LMICs), there is a significant biosensing challenge in detecting sexually transmitted infection (STI) pathogens during animal husbandry, due in part to difficulties associated with the limited infrastructure for veterinary medicine. Here we demonstrate low-cost, multiplexed and sample-to-answer paper-origami tests for the detection of three bovine infectious reproductive diseases in semen samples, collected at a test site in rural India...
January 11, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29314284/the-mercury-problem-in-artisanal-and-small-scale-gold-mining
#3
Louisa J Esdaile, Justin M Chalker
Mercury-dependent artisanal and small-scale gold mining (ASGM) is the largest source of mercury pollution on Earth. In this practice, elemental mercury is used to extract gold from ore as an amalgam. The amalgam is typically isolated by hand and then heated-often with a torch or over a stove-to distill the mercury and isolate the gold. Mercury emissions from tailings and vaporised mercury exceed 1000 tonnes each year from ASGM. The health effects on the miners are dire, with inhaled mercury leading to neurological damage and other health issues...
January 3, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29310208/a-viscous-film-sample-chamber-for-laser-ablation-inductively-coupled-plasma-mass-spectrometry
#4
Damiano Monticelli, Davide Civati, Barbara Giussani, Carlo Dossi, Davide Spanu, Sandro Recchia
Laser Ablation - Inductively Coupled Plasma - Mass Spectrometry (LA-ICP-MS) is a powerful method to determine the elemental composition of solid-state samples as it combines the high sensitivity and isotope selectivity of ICP-MS detection and the simplicity of laser ablation sampling. This technique enables rapid multiple sampling of the analysed material, such as needed for mapping or in-depth profiling applications. However, the duration of these measurements is practically restricted by the time taken for the particle to be transported from the sampling point to the ICP torch...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29304026/a-weld-position-recognition-method-based-on-directional-and-structured-light-information-fusion-in-multi-layer-multi-pass-welding
#5
Jinle Zeng, Baohua Chang, Dong Du, Li Wang, Shuhe Chang, Guodong Peng, Wenzhu Wang
Multi-layer/multi-pass welding (MLMPW) technology is widely used in the energy industry to join thick components. During automatic welding using robots or other actuators, it is very important to recognize the actual weld pass position using visual methods, which can then be used not only to perform reasonable path planning for actuators, but also to correct any deviations between the welding torch and the weld pass position in real time. However, due to the small geometrical differences between adjacent weld passes, existing weld position recognition technologies such as structured light methods are not suitable for weld position detection in MLMPW...
January 5, 2018: Sensors
https://www.readbyqxmd.com/read/29277984/direct-determination-of-trace-phthalate-esters-in-alcoholic-spirits-by-spray-inlet-microwave-plasma-torch-ionization-tandem-mass-spectrometry
#6
Meng Miao, Gaosheng Zhao, Li Xu, Junguo Dong, Ping Cheng
A direct analytical method based on spray-inlet microwave plasma torch tandem mass spectrometry (MPT-MS/MS) was applied to simultaneously determine four phthalate esters (PAEs) including benzyl butyl phthalate (BBP), diethyl phthalate (DEP), dipentyl phthalate (DPP), and dodecyl phthalate (DIDP) with extremely high sensitivity in spirits without sample treatment. Among the four brands of spirit products, three kinds of PAE compounds were directly determined at very low concentrations from 1.30 to 114 ng g-1 ...
December 26, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/29276699/zika-virus-an-emerging-global-health-threat
#7
REVIEW
Rahul Mittal, Desiree Nguyen, Luca H Debs, Amit P Patel, George Liu, Vasanti M Jhaveri, Sae-In S Kay, Jeenu Mittal, Emmalee S Bandstra, Ramzi T Younis, Prem Chapagain, Dushyantha T Jayaweera, Xue Zhong Liu
Zika virus (ZIKV) is an emerging healthcare threat. The presence of the mosquito Aedes species across South and Central America in combination with complementary climates have incited an epidemic of locally transmitted cases of ZIKV infection in Brazil. As one of the most significant current public health concerns in the Americas, ZIKV epidemic has been a cause of alarm due to its known and unknown complications. At this point, there has been a clear association between ZIKV infection and severe clinical manifestations in both adults and neonates, including but not limited to neurological deficits such as Guillain-Barré syndrome (GBS) and microcephaly, respectively...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29240037/fetal-anemia-causing-hydrops-fetalis-from-an-alpha-globin-variant-homozygous-hemoglobin-constant-spring
#8
Patcharee Komvilaisak, Ratana Komvilaisak, Arunee Jetsrisuparb, Surapon Wiangnon, Junya Jirapradittha, Pakaphan Kiatchoosakun, Goonapa Fucharoen
BACKGROUND: Fetal anemia is often assumed to be due to red cell alloimmunization and Parvovirus infection, and can lead to hydrops fetalis and death in utero. Other causes, such as mutations of hemoglobin alpha, are less commonly considered. METHODS: We report 7 cases with fetal anemia causing hydrops fetalis. Serial Doppler ultrasound for measurement peak systolic velocity (PSV) of middle cerebral artery (MCA) was used for evaluation of fetal anemia. Fetal anemia is suggested if the MCA/PSV ratio is >1...
December 12, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29235976/litoribrevibacter-euphylliae-sp-nov-isolated-from-the-torch-coral-euphyllia-glabrescens
#9
Shih-Yi Sheu, Pei-Bei Xie, Der-Shyan Sheu, Sen-Lin Tang, Wen-Ming Chen
Strain Eup a-2T, isolated from the torch coral Euphyllia glabrescens, was characterized using a polyphasic taxonomy approach. Cells of strain Eup a-2T were Gram-negative, aerobic and motile by three polar flagella and formed translucent colonies. Optimal growth occurred at 25 °C, pH 6-8 and in the presence of 2-4 % NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain Eup a-2T belonged to the genus Litoribrevibacter and showed the highest levels of sequence similarity with respect to Litoribrevibacter albus Y32T (97...
December 13, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29232327/an-interview-of-robert-j-kurman-md-learning-teaching-passing-the-torch
#10
Robert H Young
No abstract text is available yet for this article.
January 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29206442/fire-retardant-self-extinguishing-inorganic-polymer-composite-memory-foams
#11
Soumyajyoti Chatterjee, Kadhiravan Shanmuganathan, Guruswamy Kumaraswamy
Polymeric foams used in furniture and seating applications for automotives and aircraft rely on incorporation of environmentally hazardous fire retardant additives to meet fire safety norms. This has occasioned significant interest in novel approaches to the elimination of fire retardant additives. Foams based on polymer nanocomposites or based on fire retardant coatings show compromised mechanical performance and require additional processing steps. Here, we demonstrate a one-step preparation of a fire retardant ice-templated inorganic/polymer hybrid that does not incorporate fire retardant additives...
December 5, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29191392/cold-atmospheric-plasma-cap-activates-angiogenesis-related-molecules-in-skin-keratinocytes-fibroblasts-and-endothelial-cells-and-improves-wound-angiogenesis-in-an-autocrine-and-paracrine-mode
#12
Stephanie Arndt, Petra Unger, Mark Berneburg, Anja-Katrin Bosserhoff, Sigrid Karrer
BACKGROUND: Cold atmospheric plasma (CAP) emerged as a novel therapeutic field with applications developed for bacterial sterilization, wound healing and cancer treatment. For clinical implementation it is important to know how CAP works and which molecular changes occur after the CAP treatment. Vascularization is an important step during wound healing, however, the effects of CAP on wound angiogenesis are not well examined so far. Furthermore, it has not been investigated, whether CAP primarily affects endothelial cells directly or via paracrine mechanisms to modulate the vasculature...
November 26, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29157179/association-between-false-positive-torch-and-antiphospholipid-antibodies-in-healthy-pregnant-women
#13
S De Carolis, S Tabacco, F Rizzo, G Perrone, C Garufi, A Botta, S Salvi, P Benedetti Panici, A Lanzone
The present study investigated: (a) the presence of antiphospholipid antibodies and (b) the obstetric outcome in healthy pregnant women showing false-positive TORCH-Toxoplasmosis, Other: syphilis, varicella-zoster, Rubella, Cytomegalovirus (CMV), and Herpes infections-results. Data from 23 singleton healthy pregnancies with false-positive TORCH results were collected. Each woman was systematically screened for TORCH IgG and IgM during the pre-conception assessment and/or at the beginning of pregnancy. In the presence of IgM positivity, when indicated (CMV, toxoplasmosis, rubella, herpes simplex virus), IgG avidity was evaluated and, if possible, polymerase chain reaction was performed on an amniotic fluid sample in order to distinguish between primary infection or false positivity...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/29155634/how-does-imaging-of-congenital-zika-compare-with-imaging-of-other-torch-infections
#14
REVIEW
Deborah Levine, Jacques C Jani, Ilse Castro-Aragon, Mieke Cannie
The acronym TORCH is used to refer to congenital infections, such as toxoplasmosis, other infections (such as syphillis, varicella-zoster, and parvovirus B19), cytomegalovirus, and herpes simplex virus. The classic findings in patients with TORCH infections include rash in the mother during pregnancy and ocular findings in the newborn. Zika virus has emerged as an important worldwide congenital infection. It fits well with other congenital TORCH infections since there is a rash in the mother and there are commonly ocular abnormalities in the newborn...
December 2017: Radiology
https://www.readbyqxmd.com/read/29143729/thalassotalea-coralli-sp-nov-isolated-from-the-torch-coral-euphyllia-glabrescens
#15
Der-Shyan Sheu, Shih-Yi Sheu, Pei-Bei Xie, Sen-Lin Tang, Wen-Ming Chen
Strain Eup a-8(T), isolated from a torch coral Euphyllia glabrescens, was characterized using a polyphasic taxonomy approach. Cells of strain Eup a-8(T) were Gram-staining-negative, aerobic, motile by means of a single polar flagellum, poly-β-hydroxybutyrate-containing, rod-shaped and formed white colonies. Optimal growth occurred at 25-30 °C, pH 7-8, and in the presence of 2 % NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain Eup a-8(T) belonged to the genus Thalassotalea and showed the highest levels of sequence similarity with respect to Thalassotalea ganghwensis JC2041(T) (97...
November 16, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29127595/neurological-manifestations-of-congenital-zika-virus-infection
#16
Tania Saad, Alessandra Augusta PennaeCosta, Fernanda Veiga de Góes, Marcela de Freitas, Julia Valeriano de Almeida, Lúcio José de Santa Ignêz, Ana Paula Amancio, Renata Joviano Alvim, Ludmilla Athayde Antunes Kramberger
INTRODUCTION: In 2015, it was observed a rise in the number of microcephalic newborns associated with a history of non-specific febrile sickness and rash during pregnancy in Brazil. Since then, microcephaly has emerged as a public health concern. A few months after, the causal relation between congenital microcephaly and the Zika virus was discovered. Zika virus, an arbovirus, is a new TORCH member that leads to congenital infection through vertical transmission and harms the developing brain, disrupting synaptogenesis, and causing other central nervous system lesions...
November 10, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29111258/effectiveness-of-mechanical-thinning-and-prescribed-burning-on-fire-behavior-in-pinus-nigra-forests-in-ne-spain
#17
Míriam Piqué, Rut Domènech
Fuel treatments can mitigate present and future impacts of climate change by reducing fire intensity and severity. In recent years, Pinus nigra forests in the Mediterranean basin have been dramatically affected by the new risk of highly intense and extreme fires and its distribution area has been reduced. New tools are necessary for assessing the management of these forests so they can adapt to the challenges to come. Our main goal was to evaluate the effects of different fuel treatments on Mediterranean Pinus nigra forests...
October 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29106340/on-synchronicity-passing-the-torch-and-the-task-of-prevention
#18
Niva Piran
The 15-year follow-up study (Bar, Chassin & Dionne, 2017) suggests of the Dance School Ecological Prevention Program (Piran, 1999) that it may have had long-term effects on the prevention of bulimia. This pattern of findings is in line with the results of the older cohort in the original outcome evaluation study. If the results of the follow up study hold when the 15-year outcome evaluation study is compared to a control group from a similarly competitive ballet school, this would reinforce the cause of prevention in the field of sports and dance, if not beyond...
October 2017: Eating Disorders
https://www.readbyqxmd.com/read/29021728/olympic-torch-flap-one-stop-option-for-simultaneous-brow-upper-and-lower-lid-reconstruction-in-post-burn-patients
#19
M Vathulya, D Chattopadhyay, K Koyama
Facial units reconstruction in a post burn patient poses tough challenges. Simultaneous brow and lid reconstruction is one of them. This article presents a 45-year-old epileptic male with burn of complete face. The task of reconstructing the brow, upper and lower lids was successfully accomplished using a modification of the Guyuron postauricular fasciocutaneous flap, after initial grafting and radial forearm flap reconstruction of forehead and other parts of the face. The article gives a single-stop solution for simultaneous reconstruction of brow and lids using a random pattern extension of the traditional postauricular flap, thus proving the excellent vascularity and hence durability of the flap in spite of a 180 degrees change in the orientation of the flap with respect to the axis...
June 30, 2017: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28993892/screening-investigations-in-small-for-gestational-age-near-term-and-term-infants
#20
Mohan B Krishnamurthy, Abigail Popiel, Atul Malhotra
The aims of this study are to examine how frequently near-term and term small-for-gestational-age (SGA) infants were investigated in our clinical practice, whether being born less than the third centile for weight increased the yield of positive investigations, and whether there were additional characteristics in infants with positive investigations. This retrospective cohort study was compiled using a database of a large maternity network, using the search near term and term gestational age (greater than or equal to 35 weeks) over a span of 4 years...
December 2017: European Journal of Pediatrics
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