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https://www.readbyqxmd.com/read/28508053/backside-absorbing-layer-microscopy-watching-graphene-chemistry
#1
Stéphane Campidelli, Refahi Abou Khachfe, Kevin Jaouen, Jean Monteiller, Claude Amra, Myriam Zerrad, Renaud Cornut, Vincent Derycke, Dominique Ausserré
The rapid rise of two-dimensional nanomaterials implies the development of new versatile, high-resolution visualization and placement techniques. For example, a single graphene layer becomes observable on Si/SiO2 substrates by reflected light under optical microscopy because of interference effects when the thickness of silicon oxide is optimized. However, differentiating monolayers from bilayers remains challenging, and advanced techniques, such as Raman mapping, atomic force microscopy (AFM), or scanning electron microscopy (SEM) are more suitable to observe graphene monolayers...
May 2017: Science Advances
https://www.readbyqxmd.com/read/28498656/occupational-exposure-to-polycyclic-aromatic-hydrocarbon-of-wildland-firefighters-at-prescribed-and-wildland-fires
#2
Kathleen Navarro, Ricardo Cisneros, Elizabeth Noth, John R Balmes, S Katharine Hammond
Wildland firefighters suppressing wildland fires or conducting prescribed fires work long shifts during which they are exposed to high levels of wood smoke with no respiratory protection. Polycyclic aromatic hydrocarbons (PAHs) are hazardous air pollutants formed during incomplete combustion. Exposure to PAHs was measured for 21 wildland firefighters suppressing two wildland fires and 4 wildland firefighters conducting prescribed burns in California. Personal air samples were actively collected using XAD4-coated quartz fiber filters and XAD2 sorbent tubes...
May 12, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28492798/medicinal-plants-profile-used-by-the-3rd-district-population-of-macei%C3%A3-al
#3
S A S Griz, T J Matos-Rocha, A F Santos, J G Costa, K C Mousinho
Herein the use of medicinal plants by the population of the 3rd Sanitary District of Maceió-AL city is reported. Transversal description was conducted from February 2013 to January 2014, with a sample of 116 individuals of both Gender Genders aged over 18 years. The ethnobotanical information interviews ethnobotanical information were obtained through semi - structured questionnaire featuring the use of medicinal plants and social and economical data. Descriptive statistics was applied for quantitative variables as mean and standard deviation and proportions for qualitative variables in the frequency table format...
May 4, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28491925/no-camphor-toxicity-in-cambodian-infants
#4
Casey R Johnson, Samuel G Porter, Debra Coats, Kyly C Whitfield, Khin Mengkheang, Mark D Topazian, Philip R Fischer
Thiamine deficiency and beriberi are prevalent in Cambodia, although most infants with nonspecific clinical symptoms of beriberi, including tachypnea, lack echocardiographic evidence diagnostic of the disease. Camphor activates transient receptor potential vanilloid 3 (TRPV3), a nonselective ion channel expressed in the medial preoptic nucleus of the hypothalamus and thought to be important for thermo-sensitivity. Because camphorated ointments are used commonly among Cambodian infants, we hypothesized that topical camphor modulates thermoregulatory behaviors, causing beriberi-simulating tachypnea, separate from any influence of thiamine deficiency...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28488347/the-efficacy-of-a-lip-balm-containing-pseudo-ceramide-on-the-dry-lips-of-sensitive-skin-conscious-subjects
#5
Keiichi Isoda, Tadashi Nakamura, Kensuke Yoshida, Eiko Tamura, Nami Atsuta, Koichi Ishida, Yutaka Takagi, Hitoshi Mizutani
BACKGROUND: Many people use lip care products daily to prevent dry lips. However, some people, especially those with sensitive skin-consciousness, complain of various skin problems on their lips including contact dermatitis caused by lip care products. Dry lips have decreased water holding capacity and cutaneous barrier function as well as reduced stratum corneum ceramide levels. In this study, we investigated the usefulness of a newly formulated lip balm containing pseudo-ceramide for the dry lips of subjects with sensitive skin...
May 9, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28486341/traffic-related-air-pollution-and-telomere-length-in-children-and-adolescents-living-in-fresno-ca-a-pilot-study
#6
Eunice Y Lee, Jue Lin, Elizabeth M Noth, S Katharine Hammond, Kari C Nadeau, Ellen A Eisen, John R Balmes
OBJECTIVE: The main objective of this pilot study was to gather preliminary information about how telomere length (TL) varies in relation to exposure to polycyclic aromatic hydrocarbons (PAHs) in children living in a highly polluted city. METHODS: We conducted a cross-sectional study of children living in Fresno, California (n = 14). Subjects with and without asthma were selected based on their annual average PAH level in the 12-months prior to their blood draw...
May 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28482578/adsorption-of-nisin-into-layered-double-hydroxide-nanohybrids-and-in-vitro-controlled-release
#7
Zaineb Bouaziz, Mohamed Amine Djebbi, Laurence Soussan, Jean-Marc Janot, Abdesslem Ben Haj Amara, Sebastien Balme
Layered double hydroxide (LDH) nanohybrid intercalated biomolecules, including oligonecluotides, genes and peptides/proteins, have attracted particular attention since they exhibit improved safety and effectiveness as successful delivery biosystems. The current study specifically investigated the adsorption of nisin peptide and precisely the control of the release of the payload. Adsorption occurred from peptide solution in contact with zinc-aluminum LDH at room temperature, looking out over the influence of the Zn(2+)/Al(3+) ratio, the anion exchange capacity, the nature of the intercalated anion, the host matrix, and the host morphology...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28463495/boron-nitride-nanoporous-membranes-with-high-surface-charge-by-atomic-layer-deposition
#8
Matthieu Weber, Boonprakrong Koonkaew, Sebastien Balme, Ivo Utke, Fabien Picaud, Igor Iatsunskyi, Emerson Coy, Philippe Miele, Mikhael Bechelany
In this work, we report the design and the fine-tuning of boron nitride single nanopore and nanoporous membranes by atomic layer deposition (ALD). First, we developed an ALD process based on the use of BBr3 and NH3 as precursors in order to synthesize BN thin films. The deposited films were characterized in terms of thickness, composition, and microstructure. Next, we used the newly developed process to grow BN films on anodic aluminum oxide nanoporous templates, demonstrating the conformality benefit of BN prepared by ALD, and its scalability for the manufacturing of membranes...
May 8, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28459618/an-american-thoracic-society-national-heart-lung-and-blood-institute-workshop-report-addressing-respiratory-health-equality-in-the-united-states
#9
Juan C Celedón, Esteban G Burchard, Dean Schraufnagel, Carlos Castillo-Salgado, Marc Schenker, John Balmes, Enid Neptune, Kristin J Cummings, Fernando Holguin, Kristin A Riekert, Juan P Wisnivesky, Joe G N Garcia, Jesse Roman, Rick Kittles, Victor E Ortega, Susan Redline, Rasika Mathias, Al Thomas, Jonathan Samet, Jean G Ford
Health disparities related to race, ethnicity, and socioeconomic status persist and are commonly encountered by practitioners of pediatric and adult pulmonary, critical care, and sleep medicine in the United States. To address such disparities and thus progress toward equality in respiratory health, the American Thoracic Society and the National Heart, Lung, and Blood Institute convened a workshop in May of 2015. The workshop participants addressed health disparities by focusing on six topics, each of which concluded with a panel discussion that proposed recommendations for research on racial, ethnic, and socioeconomic disparities in pulmonary, critical care, and sleep medicine...
May 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28459315/ajrccm-100-year-anniversary-clearing-the-air-indoors-outdoors-and-at-work
#10
John R Balmes
No abstract text is available yet for this article.
May 1, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28422534/in-situ-sampling-of-relative-dust-devil-particle-loads-and-their-vertical-grain-size-distributions
#11
Jan Raack, Dennis Reiss, Matthew R Balme, Kamal Taj-Eddine, Gian Gabriele Ori
During a field campaign in the Sahara Desert in southern Morocco, spring 2012, we sampled the vertical grain size distribution of two active dust devils that exhibited different dimensions and intensities. With these in situ samples of grains in the vortices, it was possible to derive detailed vertical grain size distributions and measurements of the lifted relative particle load. Measurements of the two dust devils show that the majority of all lifted particles were only lifted within the first meter (∼46...
April 19, 2017: Astrobiology
https://www.readbyqxmd.com/read/28420164/the-angiogenesis-inhibitor-als-l1023-from-lemon-balm-leaves-attenuates-high-fat-diet-induced-nonalcoholic-fatty-liver-disease-through-regulating-the-visceral-adipose-tissue-function
#12
Jeongjun Kim, Haerim Lee, Jonghoon Lim, Jaeho Oh, Soon Shik Shin, Michung Yoon
Similar to neoplastic tissues, growth and development of adipose tissue are thought to be angiogenesis-dependent. Since visceral adipose tissue (VAT) is associated with development and progression of nonalcoholic fatty liver disease (NAFLD), we hypothesized that angiogenesis inhibition would attenuate obesity-induced NAFLD. We fed C57BL/6J mice a low-fat diet (LFD, chow 10% kcal fat), a high-fat diet (HFD, 45% kcal fat) or HFD supplemented with the lemon-balm extract ALS-L1023 (HFD-ALS) for 15 weeks. ALS-L1023 reduced endothelial cell-tube formation in vitro...
April 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28415983/exhaled-carbon-monoxide-a-non-invasive-biomarker-of-short-term-exposure-to-outdoor-air-pollution
#13
Herve Lawin, Lucie Ayi Fanou, Vikkey Hinson, Jacqueline Wanjiku, N Kingsley Ukwaja, Stephen B Gordon, Benjamin Fayomi, John R Balmes, Parfait Houngbegnon, Euripide Avokpaho, Ambaliou Sanni
BACKGROUND: In urban settings of Africa with rapidly increasing population, traffic-related air pollution is a major contributor to outdoor air pollution (OAP). Although OAP has been identified as a leading cause of global morbidity and mortality, there is however, lack of a simple biomarker to assess levels of exposure to OAP in resource-poor settings. This study evaluated the role of exhaled carbon monoxide (exhCO) as a potential biomarker of exposure to ambient carbon monoxide (ambCO) from OAP...
April 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28406945/predicting-3d-lip-shapes-using-facial-surface-emg
#14
Merijn Eskes, Maarten J A van Alphen, Alfons J M Balm, Ludi E Smeele, Dieta Brandsma, Ferdinand van der Heijden
AIM: The aim of this study is to prove that facial surface electromyography (sEMG) conveys sufficient information to predict 3D lip shapes. High sEMG predictive accuracy implies we could train a neural control model for activation of biomechanical models by simultaneously recording sEMG signals and their associated motions. MATERIALS AND METHODS: With a stereo camera set-up, we recorded 3D lip shapes and simultaneously performed sEMG measurements of the facial muscles, applying principal component analysis (PCA) and a modified general regression neural network (GRNN) to link the sEMG measurements to 3D lip shapes...
2017: PloS One
https://www.readbyqxmd.com/read/28404675/nucleic-acid-extraction-from-residual-aptima-clinical-samples-evaluation-of-automated-platform-to-enhance-workflow
#15
Julia Mayes, Nadika Liyanarachchy, Michelle N D Balm
Transcription mediated amplification with the Aptima Combo 2 (AC2) assay (Hologic) is a highly sensitive and specific method for detection of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) from clinical samples collected in Aptima collection systems (1).….
April 12, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28398703/air-pollution-neighborhood-acculturation-factors-and-neural-tube-defects-among-hispanic-women-in-california
#16
Amy M Padula, Wei Yang, Suzan L Carmichael, Frederick Lurmann, John Balmes, S Katharine Hammond, Gary M Shaw
BACKGROUND: Neural tube defects (NTDs) are one of the most common types of birth defects. Environmental pollutants and acculturation have been associated with NTDs independently. The potential effect modification of acculturation in the relationship between ambient air pollution and risks of NTDs is not well understood. METHODS: We investigated whether associations between traffic-related air pollutant exposure in early gestation and NTDs, and more specifically spina bifida, were modified by individual and neighborhood acculturation factors among 139 cases and 466 controls born in the San Joaquin Valley of California, 1997 to 2006...
April 3, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28384795/child-and-adolescent-health-from-1990-to-2015-findings-from-the-global-burden-of-diseases-injuries-and-risk-factors-2015-study
#17
Nicholas Kassebaum, Hmwe Hmwe Kyu, Leo Zoeckler, Helen Elizabeth Olsen, Katie Thomas, Christine Pinho, Zulfiqar A Bhutta, Lalit Dandona, Alize Ferrari, Tsegaye Tewelde Ghiwot, Simon I Hay, Yohannes Kinfu, Xiaofeng Liang, Alan Lopez, Deborah Carvalho Malta, Ali H Mokdad, Mohsen Naghavi, George C Patton, Joshua Salomon, Benn Sartorius, Roman Topor-Madry, Stein Emil Vollset, Andrea Werdecker, Harvey A Whiteford, Kalkidan Hasen Abate, Kaja Abbas, Solomon Abreha Damtew, Muktar Beshir Ahmed, Nadia Akseer, Rajaa Al-Raddadi, Mulubirhan Assefa Alemayohu, Khalid Altirkawi, Amanuel Alemu Abajobir, Azmeraw T Amare, Carl A T Antonio, Johan Arnlov, Al Artaman, Hamid Asayesh, Euripide Frinel G Arthur Avokpaho, Ashish Awasthi, Beatriz Paulina Ayala Quintanilla, Umar Bacha, Dimtsu Balem, Aleksandra Barac, Till Winfried Bärnighausen, Estifanos Baye, Neeraj Bedi, Isabela M Bensenor, Adugnaw Berhane, Eduardo Bernabe, Oscar Alberto Bernal, Addisu Shunu Beyene, Sibhatu Biadgilign, Boris Bikbov, Cheryl Anne Boyce, Alexandra Brazinova, Gessessew Bugssa Hailu, Austin Carter, Carlos A Castañeda-Orjuela, Ferrán Catalá-López, Fiona J Charlson, Abdulaal A Chitheer, Jee-Young Jasmine Choi, Liliana G Ciobanu, John Crump, Rakhi Dandona, Robert P Dellavalle, Amare Deribew, Gabrielle deVeber, Daniel Dicker, Balem Balm Betsu, Eric L Ding, Manisha Dubey, Amanuel Yesuf Endries, Holly E Erskine, Emerito Jose Aquino Faraon, Andre Faro, Farshad Farzadfar, Joao C Fernandes, Daniel Obadare Fijabi, Christina Fitzmaurice, Thomas D Fleming, Luisa Sorio Flor, Kyle J Foreman, Richard C Franklin, Maya S Fraser, Joseph J Frostad, Nancy Fullman, Gebremedhin Berhe Gebregergs, Alemseged Aregay Gebru, Johanna M Geleijnse, Katherine B Gibney, Mahari Gidey Yihdego, Ibrahim Abdelmageem Mohamed Ginawi, Melkamu Dedefo Gishu, Tessema Assefa Gizachew, Elizabeth Glaser, Audra L Gold, Ellen Goldberg, Philimon Gona, Atsushi Goto, Harish Chander Gugnani, Guohong Jiang, Rajeev Gupta, Fisaha Haile Tesfay, Graeme J Hankey, Rasmus Havmoeller, Martha Hijar, Masako Horino, H Dean Hosgood, Guoqing Hu, Kathryn H Jacobsen, Mihajlo B Jakovljevic, Sudha P Jayaraman, Vivekanand Jha, Tariku Jibat, Catherine O Johnson, Jost Jonas, Amir Kasaeian, Norito Kawakami, Peter N Keiyoro, Ibrahim Khalil, Young-Ho Khang, Jagdish Khubchandani, Aliasghar A Ahmad Kiadaliri, Christian Kieling, Daniel Kim, Niranjan Kissoon, Luke D Knibbs, Ai Koyanagi, Kristopher J Krohn, Barthelemy Kuate Defo, Burcu Kucuk Bicer, Rachel Kulikoff, G Anil Kumar, Dharmesh Kumar Lal, Hilton Y Lam, Heidi J Larson, Anders Larsson, Dennis Odai Laryea, Janni Leung, Stephen S Lim, Loon-Tzian Lo, Warren D Lo, Katharine J Looker, Paulo A Lotufo, Hassan Magdy Abd, El Razek, Reza Malekzadeh, Desalegn Markos Shifti, Mohsen Mazidi, Peter A Meaney, Kidanu Gebremariam Meles, Peter Memiah, Walter Mendoza, Mubarek Abera Mengistie, Gebremichael Welday Mengistu, George A Mensah, Ted R Miller, Charles Mock, Alireza Mohammadi, Shafiu Mohammed, Lorenzo Monasta, Ulrich Mueller, Chie Nagata, Aliya Naheed, Grant Nguyen, Quyen Le Nguyen, Elaine Nsoesie, In-Hwan Oh, Anselm Okoro, Jacob Olusegun Olusanya, Bolajoko O Olusanya, Alberto Ortiz, Deepak Paudel, David M Pereira, Norberto Perico, Max Petzold, Michael Robert Phillips, Guilherme V Polanczyk, Farshad Pourmalek, Mostafa Qorbani, Anwar Rafay, Vafa Rahimi-Movaghar, Mahfuzar Rahman, Rajesh Kumar Rai, Usha Ram, Zane Rankin, Giuseppe Remuzzi, Andre M N Renzaho, Hirbo Shore Roba, David Rojas-Rueda, Luca Ronfani, Rajesh Sagar, Juan Ramon Sanabria, Muktar Sano Kedir Mohammed, Itamar S Santos, Maheswar Satpathy, Monika Sawhney, Ben Schöttker, David C Schwebel, James G Scott, Sadaf G Sepanlou, Amira Shaheen, Masood Ali Shaikh, June She, Rahman Shiri, Ivy Shiue, Inga Dora Sigfusdottir, Jasvinder Singh, Naris Slipakit, Alison Smith, Chandrashekhar Sreeramareddy, Jeffrey D Stanaway, Dan J Stein, Caitlyn Steiner, Muawiyyah Babale Sufiyan, Soumya Swaminathan, Rafael Tabarés-Seisdedos, Karen M Tabb, Fentaw Tadese, Mohammad Tavakkoli, Bineyam Taye, Stephanie Teeple, Teketo Kassaw Tegegne, Girma Temam Shifa, Adbullah Sulieman Terkawi, Bernadette Thomas, Alan J Thomson, Ruoyan Tobe-Gai, Marcello Tonelli, Bach Xuan Tran, Christopher Troeger, Kingsley N Ukwaja, Olalekan Uthman, Tommi Vasankari, Narayanaswamy Venketasubramanian, Vasiliy Victorovich Vlassov, Elisabete Weiderpass, Robert Weintraub, Solomon Weldemariam Gebrehiwot, Ronny Westerman, Hywel C Williams, Charles D A Wolfe, Rachel Woodbrook, Yuichiro Yano, Naohiro Yonemoto, Seok-Jun Yoon, Mustafa Z Younis, Chuanhua Yu, Maysaa El Sayed Zaki, Elias Asfaw Zegeye, Liesl Joanna Zuhlke, Christopher J L Murray, Theo Vos
Importance: Comprehensive and timely monitoring of disease burden in all age groups, including children and adolescents, is essential for improving population health. Objective: To quantify and describe levels and trends of mortality and nonfatal health outcomes among children and adolescents from 1990 to 2015 to provide a framework for policy discussion. Evidence Review: Cause-specific mortality and nonfatal health outcomes were analyzed for 195 countries and territories by age group, sex, and year from 1990 to 2015 using standardized approaches for data processing and statistical modeling, with subsequent analysis of the findings to describe levels and trends across geography and time among children and adolescents 19 years or younger...
April 3, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28384651/surgical-treatment-of-subungual-squamous-cell-carcinoma-by-wide-excision-of-the-nail-unit-and-skin-graft-reconstruction-an-evaluation-of-treatment-efficiency-and-outcomes
#18
Solène Topin-Ruiz, Catherine Surinach, Stéphane Dalle, Gérard Duru, Brigitte Balme, Luc Thomas
Importance: The best surgical treatment modalities for subungual squamous cell carcinoma (SUSCC) without bone invasion need to be determined. The limited available data on Mohs micrographic surgery do not demonstrate its use as a standard procedure. A previous study in a limited series of patients has shown that wide surgical excision of the nail unit was associated with a low rate of recurrence. Objectives: To confirm the efficiency of wide surgical excision of the nail unit with full-thickness skin graft reconstruction on a series of patients with SUSCC with an extended follow-up and to evaluate short- and long-term postoperative morbidity and patient satisfaction...
April 5, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28369977/biogenic-amine-formation-and-microbiological-quality-of-anchovy-engraulis-encrasicolus-treated-with-lavender-and-lemon-balm-ethanol-extracts
#19
Fatih Özogul, Rana Öztekin, Piotr Kulawik
Biogenic amine formation and bacterial growth of vacuum-packed European anchovy treated with 1% lemon balm (LB) or lavender (LD) ethanol extracts was investigated. The treated samples were stored at 2 ± 1 °C for 11 d and analyzed for biogenic amines, total viable count, fecal coliform count, and lactic acid bacterial count. The analyses were done on 0, 4, 7, 9, and 11 d of storage. Both LB and LD extracts proved effective in reducing most biogenic amines, with histamine reduced by 3-fold compared to control...
May 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28367927/beneficial-effects-of-lemon-balm-leaf-extract-on-in-vitro-glycation-of-proteins-arterial-stiffness-and-skin-elasticity-in-healthy-adults
#20
Shintaro Yui, Suzuka Fujiwara, Katsuhisa Harada, Mahoko Motoike-Hamura, Masashi Sakai, Satoshi Matsubara, Kouji Miyazaki
Glycation, a non-enzymatic glycosylation of proteins, induces tissue damage in association with various diseases and aging phenomena. Pentosidine, an advanced glycation end product, is involved in aging phenomena such as tissue stiffness. In this study, we aimed to find a potent anti-glycation food material and to verify its health benefits by clinical trial. From among 681 hot water plant extracts, lemon balm (Melissa officinalis; LB) leaf extract was selected and revealed to have more potent inhibitory activity for pentosidine formation than a representative anti-glycation agent, aminoguanidine...
2017: Journal of Nutritional Science and Vitaminology
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