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https://www.readbyqxmd.com/read/29454278/towards-a-better-understanding-on-mercury-adsorption-by-magnetic-bio-adsorbents-with-%C3%AE-fe-2-o-3-from-pinewood-sawdust-derived-hydrochar-influence-of-atmosphere-in-heat-treatment
#1
Huabin Wang, Yong Liu, Jerosha Ifthikar, Lerong Shi, Aimal Khan, Zhulei Chen, Zhuqi Chen
Pyrolysis under protective atmosphere was regarded as an indispensable process for the preparation of biomass-based adsorbents to achieve higher surface areas. In this paper, magnetic carbon composites (MCC) that fabricated under air atmosphere showed an adsorption capacity of 167.22 mg/g in 200 ppm Hg(II), which was significantly higher than magnetic biochar (MBC, 31.80 mg/g) that fabricated under traditional nitrogen protection, and this remarkable performance of MCC was consistent in a wide range of pHs...
February 6, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29454250/disulphide-linkage-to-get-cleaved-or-not-bulk-and-nano-copper-based-sers-of-cystine
#2
Arathi P J, Bhaskar Seemesh, Rajendra Kumar Reddy G, Suresh Kumar P, Ramanathan V
Different nano-structures of noble metals have been the conventional substrates for carrying out Surface Enhanced Raman Spectroscopy (SERS). In this paper we examine electrodeposited copper (Cu) nano-structures on pencil graphite as novel substrate to carry out SERS measurements by considering l-cystine (Cys-Cys) (dimer of the amino acid cysteine) as the probe. The formation of monolayer of the probe molecule on the substrates was confirmed using cyclic voltammetric measurements. Mode of adsorption of Cys-Cys was observed to be different on bulk Cu (taken in the wire form) and nano-structured Cu on pencil graphite...
February 5, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29454243/health-inequities-faced-by-ethiopian-migrant-domestic-workers-in-lebanon
#3
Bina Fernandez
This paper investigates the healthcare needs, access to healthcare, and healthcare strategies of Ethiopian migrant domestic workers (MDWs) in Lebanon, drawing on qualitative empirical research. The analysis focusses on four types of health care needs: minor illnesses, pregnancies, serious illnesses (such as cancer, tuberculosis or heart problems), and emergencies (due to accidents, suicide attempts or assaults). Predictably, access to healthcare is distinctly differentiated according to an MDW's status as a documented, freelancer, or undocumented worker...
February 14, 2018: Health & Place
https://www.readbyqxmd.com/read/29454220/early-life-sexual-abuse-is-associated-with-increased-suicide-attempts-an-update-meta-analysis
#4
REVIEW
Qin Xiang Ng, Bob Zheng Jie Yong, Collin Yin Xian Ho, Donovan Yutong Lim, Wee-Song Yeo
Suicide is an emerging, yet preventable global health issue associated with significant mortality. Identification of underlying risk factors and antecedents may inform preventive strategies and interventions. This study serves to provide an updated meta-analysis examining the extent of association of early life sexual abuse with suicide attempts. Using the keywords [early abuse OR childhood abuse OR sexual OR rape OR molest* OR violence OR trauma OR PTSD] AND [suicid* OR premature OR unnatural OR deceased OR died OR mortality], a preliminary search on the PubMed, Ovid, PsychINFO, Web of Science and Google Scholar databases yielded 12,874 papers published in English between 1-Jan-1988 and 1-June-2017...
February 6, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29454176/efficacy-of-intensive-voice-feminisation-therapy-in-a-transgender-young-offender
#5
Sterling Quinn, Nathaniel Swain
Research suggests that transgender young offenders are a uniquely vulnerable caseload that may benefit from speech pathology intervention to help bring their voice into alignment with their gender identity. However, no previous studies have investigated treatment efficacy in this population. This study investigated the impact of intensive voice feminisation therapy targeting fundamental frequency and oral resonance in a 17 year old transgender individual within a youth justice institution. Acoustic analysis, listener and self-ratings of vocal femininity, self-ratings of vocal satisfaction, a post-treatment structured interview, and pre- and post- treatment completion of the Transsexual Voice Questionnaire (TVQ MtF ) were utilised to determine treatment impact...
February 8, 2018: Journal of Communication Disorders
https://www.readbyqxmd.com/read/29454170/enhanced-electrokinetic-remediation-of-polluted-soils-by-anolyte-ph-conditioning
#6
R López Vizcaíno, A Yustres, L Asensio, C Saez, P Cañizares, M A Rodrigo, V Navarro
In the treatment of a polluted soil, the pH has a strong impact on the development of different physicochemical processes as precipitation/dissolution, adsorption/desorption or ionic exchange. In addition, the pH determines the chemical speciation of the compounds present in the system and, consequently, it conditions the transport processes by which those compounds will move. This question has aroused great interest in the development of pH control technologies coupled to soil remediation processes. In electrokinetic remediation processes, pH has usually been controlled by catholyte pH conditioning with acid solutions, applied to cases of heavy metals pollution...
February 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29454141/a-cluster-randomized-pilot-trial-of-a-tailored-worksite-smoking-cessation-intervention-targeting-hispanic-latino-construction-workers-intervention-development-and-research-design
#7
Taghrid Asfar, Alberto J Caban-Martinez, Laura A McClure, Estefania C Ruano-Herreria, Danielle Sierra, G Gilford Clark, Daniel Samano, Noella A Dietz, Kenneth D Ward, Kristopher L Arheart, David J Lee
Construction workers have the highest smoking rate among all occupations (39%). Hispanic/Latino workers constitute a large and increasing group in the US construction industry (over 2.6 million; 23% of all workers). These minority workers have lower cessation rates compared to other groups due to their limited access to cessation services, and lack of smoking cessation interventions adapted to their culture and work/life circumstances. Formative research was conducted to create an intervention targeting Hispanic/Latino construction workers...
February 14, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29454107/archetype-modeling-methodology
#8
David Moner, José Alberto Maldonado, Montserrat Robles
Clinical Information Models (CIMs) expressed as archetypes play an essential role in the design and development of current Electronic Health Record (EHR) information structures. Although there exist many experiences about using archetypes in the literature, a comprehensive and formal methodology for archetype modeling does not exist. Having a modeling methodology is essential to develop quality archetypes, in order to guide the development of EHR systems and to allow the semantic interoperability of health data...
February 14, 2018: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29454081/do-preventive-medicine-physicians-practice-medicine
#9
REVIEW
Paul Jung, Boris D Lushniak
As some preventive medicine physicians have been denied medical licenses for not engaging in direct patient care, this paper attempts to answer the question, "Do preventive medicine physicians practice medicine?" by exploring the requirements of licensure, the definition of "practice" in the context of modern medicine, and by comparing the specialty of preventive medicine to other specialties which should invite similar scrutiny. The authors could find no explicit licensure requirement for either a certain amount of time in patient care or a number of patients seen...
February 14, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29454058/carboxymethyl-konjac-glucomannan-crosslinked-chitosan-sponges-for-wound-dressing
#10
Yu Xie, Zeng-Xing Yi, Jian-Xun Wang, Tong-Gang Hou, Qiong Jiang
In this paper, carboxymethyl konjac glucomannan (CMKGM) was obtained by carboxyl modification of konjac glucomannan. Then CMKGM and chitosan (CS) were crosslinked and freeze-dried to prepare CMKGM/CS composite sponges with different proportions. The structure and micromorphology of CMKGM/CS sponges were investigated by FTIR spectroscopy and SEM. The SEM results showed that the pore structure of the composite sponge gradually increased with the increase of CMKGM content. To assess the applicability of CMKGM/CS composite sponges as wound dressing, the swelling behavior, water vapor transmission rate (WVTR), biocompatibility (cytotoxicity and hemolysis) were analyzed...
February 14, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29454050/when-travel-is-a-challenge-travel-medicine-and-the-dis-abled-traveller
#11
REVIEW
Irmgard Bauer
Travellers with recognised disabilities or the dis-ability to function as required during a trip have been overlooked in the travel medicine literature. This paper provides a starting point for further discussion and research into this neglected traveller population. In contrast, tourism research has explored travel with a disability for some time in order to understand the travellers' needs and to improve services accordingly. The contemporary bio-psycho-social understanding of disability serves as the framework for exploring motivations to travel as well as barriers, such as inter and intrapersonal, economic, structural and attitudinal obstacles...
February 14, 2018: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/29453946/the-sexual-and-reproductive-health-of-foreign-born-women-in-the-united-states
#12
Athena Tapales, Ayana Douglas-Hall, Hannah Whitehead
OBJECTIVE: To explore the sexual and reproductive health (SRH) behaviors, health insurance coverage, and use of SRH services of women in the United States (U.S.) by nativity, disaggregated by race and ethnicity. STUDY DESIGN: We analyzed publicly-available and restricted data from the National Survey of Family Growth to assess differences and similarities between foreign-born and U.S.-born women, both overall and within Hispanic, non-Hispanic (NH) white, NH black, and NH Asian groups...
February 14, 2018: Contraception
https://www.readbyqxmd.com/read/29453895/cross-sectional-studies-what-are-they-good-for
#13
Ulrik Schiøler Kesmodel
Cross-sectional studies serve many purposes, and the cross-sectional design is the most relevant design when assessing the prevalence of disease, attitudes and knowledge among patients and health personnel, in validation studies comparing e.g. different measurement instruments, and in reliability studies. This paper describes the use and provides examples within obstetrics and gynecology. Caveats are also described; for example, when cross-sectional data is used for analytical purposes of associations between an exposure and an outcome, authors and readers should be careful not to make causal inferences, unless the exposure may safely be assumed to be stable over time and not influenced by experiencing the outcome...
February 17, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29453880/information-bias-in-epidemiological-studies-with-a-special-focus-on-obstetrics-and-gynecology
#14
Ulrik Schiøler Kesmodel
Information bias occurs when any information used in a study is either measured or recorded inaccurately. This paper describes some of the most common types of information bias, using examples from obstetrics and gynecology, and describes how information bias may affect results of observational studies. Non-differential misclassification occurs when the degree of misclassification of exposure status among those with and those without the disease is the same, and in cohort studies, this type of bias is most likely and will bias estimates toward no association when exposure is dichotomized...
February 17, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29453846/fabrication-of-miniature-elastomer-lenses-with-programmable-liquid-mold-for-smartphone-microscopy-curing-polydimethylsiloxane-with-in-situ-curvature-control
#15
Bhuvaneshwari Karunakaran, Joseph Tharion, Arvind Ramrao Dhawangale, Debjani Paul, Soumyo Mukherji
Miniature lenses can transform commercial imaging systems, e.g., smartphones and webcams, into powerful, low-cost, handheld microscopes. To date, the reproducible fabrication of polymer lenses is still a challenge as they require controlled dispensing of viscous liquid. This paper reports a reproducible lens fabrication technique using liquid mold with programmable curvature and off-the-shelf materials. The lens curvature is controlled during fabrication by tuning the curvature of an interface of two immiscible liquids [polydimethylsiloxane (PDMS) and glycerol]...
February 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29453717/u-tube-based-near-surface-environmental-monitoring-in-the-shenhua-carbon-dioxide-capture-and-storage-ccs-project
#16
Qi Li, Ranran Song, Hui Shi, Jianli Ma, Xuehao Liu, Xiaochun Li
The CO 2 injected into deep formations during implementation of carbon dioxide (CO 2 ) capture and storage (CCS) technology may leak and migrate into shallow aquifers or ground surfaces through a variety of pathways over a long period. The leaked CO 2 can threaten shallow environments as well as human health. Therefore, almost all monitoring programs for CCS projects around the world contain near-surface monitoring. This paper presents a U-tube based near-surface monitoring technology focusing on its first application in the Shenhua CCS demonstration project, located in the Ordos Basin, Inner Mongolia, China...
January 27, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29453706/family-experiences-with-the-diagnosis-of-autism-spectrum-disorder-system-barriers-and-facilitators-of-efficient-diagnosis
#17
M Martinez, K C Thomas, C S Williams, R Christian, E Crais, R Pretzel, S R Hooper
This paper examines family experiences with the efficiency of ASD diagnosis. Children were age 8 or younger with ASD (n = 450). Outcomes were delay from first parent concern to diagnosis, shifting diagnoses, and being told child did not have ASD. Predictors were screening, travel distance, and problems finding providers. Logit models were used to examine associations. Screening was associated with reduced delay in diagnosis; problems finding providers were associated with greater delay. Screening, travel distance, and delay in diagnosis were associated with shifting diagnoses and being told child did not have ASD...
February 16, 2018: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/29453666/comments-on-a-mathematical-study-to-control-visceral-leishmaniasis-an-application-to-south-sudan
#18
E Iboi, K Okuneye, O Sharomi, A B Gumel
Deterministic (ordinary differential equation) models for the transmission dynamics of vector-borne diseases that incorporate disease-induced death in the host(s) population(s) are generally known to exhibit the phenomenon of backward bifurcation (where a stable disease-free equilibrium of the model coexists with a stable endemic equilibrium when the associated reproduction number of the model is less than unity). Further, it is well known that, in these models, the phenomenon of backward bifurcation does not occur when the disease-induced death rate is negligible (e...
February 16, 2018: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29453633/comparative-analysis-of-the-mitochondrial-genome-of-the-fungus-colletotrichum-lindemuthianum-the-causal-agent-of-anthracnose-in-common-beans
#19
Casley Borges de Queiroz, Mateus Ferreira Santana, Pedro M Pereira Vidigal, Marisa Vieira de Queiroz
Fungi of the genus Colletotrichum are economically important and are used as models in plant-pathogen interaction studies. In this study, the complete mitochondrial genomes of two Colletotrichum lindemuthianum isolates were sequenced and compared with the mitochondrial genomes of seven species of Colletotrichum. The mitochondrial genome of C. lindemuthianum is a typical circular molecule 37,446 bp (isolate 89 A 2 2-3) and 37,440 bp (isolate 83.501) in length. The difference of six nucleotides between the two genomes is the result of a deletion in the ribosomal protein S3 (rps3) gene in the 83...
February 16, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29453611/comparative-study-of-phototoxicity-of-protoporphyrin-ix-synthetic-and-extracted-from-ssp-rattus-novergicus-albinus-rats-toward-murine-melanoma-cells
#20
E R Reis, L P Ferreira, E M D Nicola, I Borissevitch
Protoporphyrin IX (PpIX) is a precursor of heme synthesis and is known to be an active photosensitizer and precursor of photosensitizers applied in photodynamic therapy (PDT) and photodynamic diagnostics (PDD). On irradiation with visible light, PpIX undergoes phototransformation, producing photoproducts which may also be phototoxic and increase its efficacy. The mechanism of PpIX phototransformation depends on environmental characteristics and can be different in vitro and in vivo. In this paper, we present a comparative study of the photoactivity of synthetic PpIX and PpIX extracted from the Harderian gland of ssp Rattus novergicus albinus rats, along with their photoproducts toward murine B16F-10 melanoma cells...
February 16, 2018: European Biophysics Journal: EBJ
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