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https://www.readbyqxmd.com/read/29352470/a-laser-optical-method-for-predicting-adulteration-of-clover-honey-bee
#1
A E El-Raie, H E Hassan, A A Abd El-Rahman, R A Shaimaa
The authenticity of honey is great importance for commercial and health reasons. Adulteration of honey bee with cheaper sweetening materials has been used. The objectives of this study were: 1) To evaluate the quality of honey bee according to physicochemical characteristics, 2) To estimate the transmission property of prediction of honey using visible laser technique, and 3) Possibility of adulteration of honey bee according to high transmission intensity of laser beam through Clover honey bee. Helium-neon (He-Ne) laser in the visible light with wavelengths 632...
January 20, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29351657/characterization-of-the-spatial-and-temporal-distribution-of-nipah-virus-spillover-events-in-bangladesh-2007-2013
#2
Maria C Cortes, Simon Cauchemez, Noemie Lefrancq, Stephen P Luby, M Jahangir Hossain, Hossain M S Sazzad, Mahmudur Rahman, Peter Daszak, Henrik Salje, Emily S Gurley
Nipah virus is a zoonotic virus, harbored by bats and lethal to humans. Bat to human spillovers occur every winter in Bangladesh. However, there is significant heterogeneity in the number of spillovers detected by district and year that remains unexplained. We analyzed data from all 57 spillovers from 2007-2013 and found that temperature differences explained 36% of the year-to-year variation in the total number of spillovers each winter while distance to surveillance hospitals explained 45% of spatial heterogeneity...
January 17, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29349901/inflammatory-back-pain-and-associated-disease-conditions-among-patients-with-chronic-low-back-pain-in-bangladesh
#3
Sabrina Yesmin, Syed Jamil Abdal, Aminur Rahman, Md Nazrul Islam, Alamgir Mustak Ahammad, Shamim Ahmed, Md Abu Shahin, Minhaj Rahim Chowdhury, Syed Atiqul Haq
AIM: Inflammatory back pain (IBP) is the earliest symptom of axial and other forms of spondyloarthritis (SpA). However, there are no published data on prevalence of IBP among patients suffering from chronic low back pain (CLBP) in Bangladesh. In this study, we estimated the prevalence of IBP and the subtypes of SpA in a tertiary hospital in Bangladesh. METHODS: This 1 year cross-sectional study was conducted among 240 CLBP patients in a rheumatology outpatient clinic...
January 18, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29349297/organic-matter-in-extraterrestrial-water-bearing-salt-crystals
#4
Queenie H S Chan, Michael E Zolensky, Yoko Kebukawa, Marc Fries, Motoo Ito, Andrew Steele, Zia Rahman, Aiko Nakato, A L David Kilcoyne, Hiroki Suga, Yoshio Takahashi, Yasuo Takeichi, Kazuhiko Mase
Direct evidence of complex prebiotic chemistry from a water-rich world in the outer solar system is provided by the 4.5-billion-year-old halite crystals hosted in the Zag and Monahans (1998) meteorites. This study offers the first comprehensive organic analysis of the soluble and insoluble organic compounds found in the millimeter-sized halite crystals containing brine inclusions and sheds light on the nature and activity of aqueous fluids on a primitive parent body. Associated with these trapped brines are organic compounds exhibiting wide chemical variations representing organic precursors, intermediates, and reaction products that make up life's precursor molecules such as amino acids...
January 2018: Science Advances
https://www.readbyqxmd.com/read/29349243/women-s-television-watching-and-reproductive-health-behavior-in-bangladesh
#5
Mizanur Rahman, Siân L Curtis, Nitai Chakraborty, Kanta Jamil
Bangladesh has made significant social, economic, and health progress in recent decades, yet many reproductive health indicators remain weak. Access to television (TV) is increasing rapidly and provides a potential mechanism for influencing health behavior. We present a conceptual framework for the influence of different types of TV exposure on individual's aspirations and health behavior through the mechanisms of observational learning and ideational change. We analyze data from two large national surveys conducted in 2010 and 2011 to examine the association between women's TV watching and five reproductive health behaviors controlling for the effects of observed confounders...
December 2017: SSM—Population Health
https://www.readbyqxmd.com/read/29348596/dynamics-of-tree-species-diversity-in-unlogged-and-selectively-logged-malaysian-forests
#6
Ken Shima, Toshihiro Yamada, Toshinori Okuda, Christine Fletcher, Abdul Rahman Kassim
Selective logging that is commonly conducted in tropical forests may change tree species diversity. In rarely disturbed tropical forests, locally rare species exhibit higher survival rates. If this non-random process occurs in a logged forest, the forest will rapidly recover its tree species diversity. Here we determined whether a forest in the Pasoh Forest Reserve, Malaysia, which was selectively logged 40 years ago, recovered its original species diversity (species richness and composition). To explore this, we compared the dynamics of secies diversity between unlogged forest plot (18...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348586/analogues-of-disulfides-from-allium-stipitatum-demonstrate-potent-anti-tubercular-activities-through-drug-efflux-pump-and-biofilm-inhibition
#7
Cynthia A Danquah, Eleftheria Kakagianni, Proma Khondkar, Arundhati Maitra, Mukhlesur Rahman, Dimitrios Evangelopoulos, Timothy D McHugh, Paul Stapleton, John Malkinson, Sanjib Bhakta, Simon Gibbons
Disulfides from Allium stipitatum, commonly known as Persian shallot, were previously reported to possess antibacterial properties. Analogues of these compounds, produced by S-methylthiolation of appropriate thiols using S-methyl methanethiosulfonate, exhibited antimicrobial activity, with one compound inhibiting the growth of Mycobacterium tuberculosis at 17 µM (4 mg L-1) and other compounds inhibiting Escherichia coli and multi-drug-resistant (MDR) Staphylococcus aureus at concentrations ranging between 32-138 µM (8-32 mg L-1)...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29347776/entropy-specific-heat-susceptibility-and-rushbrooke-inequality-in-percolation
#8
M K Hassan, D Alam, Z I Jitu, M M Rahman
We investigate percolation, a probabilistic model for continuous phase transition, on square and weighted planar stochastic lattices. In its thermal counterpart, entropy is minimally low where order parameter (OP) is maximally high and vice versa. In addition, specific heat, OP, and susceptibility exhibit power law when approaching the critical point and the corresponding critical exponents α,β,γ respectably obey the Rushbrooke inequality (RI) α+2β+γ≥2. Their analogs in percolation, however, remain elusive...
November 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347035/aging-transition-in-systems-of-oscillators-with-global-distributed-delay-coupling
#9
B Rahman, K B Blyuss, Y N Kyrychko
We consider a globally coupled network of active (oscillatory) and inactive (nonoscillatory) oscillators with distributed-delay coupling. Conditions for aging transition, associated with suppression of oscillations, are derived for uniform and gamma delay distributions in terms of coupling parameters and the proportion of inactive oscillators. The results suggest that for the uniform distribution increasing the width of distribution for the same mean delay allows aging transition to happen for a smaller coupling strength and a smaller proportion of inactive elements...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346365/the-iscb-student-council-internship-program-expanding-computational-biology-capacity-worldwide
#10
Jigisha Anupama, Margherita Francescatto, Farzana Rahman, Nazeefa Fatima, Dan DeBlasio, Avinash Kumar Shanmugam, Venkata Satagopam, Alberto Santos, Pandurang Kolekar, Magali Michaut, Emre Guney
Education and training are two essential ingredients for a successful career. On one hand, universities provide students a curriculum for specializing in one's field of study, and on the other, internships complement coursework and provide invaluable training experience for a fruitful career. Consequently, undergraduates and graduates are encouraged to undertake an internship during the course of their degree. The opportunity to explore one's research interests in the early stages of their education is important for students because it improves their skill set and gives their career a boost...
January 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29346095/feature-map-quality-score-estimation-through-regression
#11
Ibrahim M H Rahman, Christopher Hollitt, Mengjie Zhang
Understanding the visual quality of a feature map plays a significant role in many active vision applications. Previous works mostly rely on object-level features, such as compactness, to estimate the quality score of a feature map. However, the compactness is leveraged on feature maps produced by salient object detection techniques where the maps tend to be compact. As a result, the compactness feature fails when the feature maps are blurry (e.g., fixation maps). In this paper, we regard the process of estimating the quality score of feature maps, specifically fixation maps, as a regression problem...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29345385/crucial-role-of-mer-tyrosine-kinase-in-the-maintenance-of-sign-r1-marginal-zone-macrophages
#12
Chetna Soni, Stephanie L Schell, Melinda J Fasnacht, Sathi Babu Chodisetti, Ziaur Sm Rahman
Mer Tyrosine Kinase receptor (Mer) is involved in anti-inflammatory efferocytosis. Here we report elevated spontaneous germinal center (Spt-GC) responses in Mer-deficient mice (Mer-/- ) that are associated with the loss of SIGN-R1+ marginal zone macrophages (MZMs). The dissipation of MZMs in Mer-/- mice occurs independently of reduced cellularity or delocalization of marginal zone B cells, sinusoidal cells or of CD169+ metallophillic macrophages. We find that MZM dissipation in Mer-/- mice contributes to apoptotic cell (AC) accumulation in Spt-GCs and dysregulation of the GC checkpoint, allowing an expansion of DNA-reactive B cells in GCs...
December 18, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/29345198/fibrin-turnover-and-organization-of-pleural-injury-bench-to-bedside
#13
Andrey A Komissarov, Najib M Rahman, Yc Gary Lee, Galina Florova, Sreerama Shetty, Richard Idell, Mitsuo Ikebe, Kumuda Das, Torry A Tucker, Steven Idell
Recent studies have shed new light on the role of the fibrinolytic system in the pathogenesis of pleural organization, including mechanisms by which the system regulates mesenchymal transition of mesothelial cells and how that process affects outcomes of pleural injury. The key contribution of plasminogen activator inhibitor-1 to the outcomes of pleural injury is now better understood as is its role in the regulation of intrapleural fibrinolytic therapy. In addition, mechanisms by which fibrinolysins are processed after intrapleural administration have now been elucidated, informing new candidate diagnostics and therapeutics for pleural loculation and failed drainage...
January 18, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29345053/naringenin-4-5-7-trihydroxyflavanone-suppresses-the-development-of-precancerous-lesions-via-controlling-hyperproliferation-and-inflammation-in-the-colon-of-wistar-rats
#14
Muneeb U Rehman, Manzoor Ur Rahman Mir, Adil Farooq, Shahzada Mudasir Rashid, Bilal Ahmad, Sheikh Bilal Ahmad, Rayeesa Ali, Ishraq Hussain, Mubashir Masoodi, Showkeen Muzamil, Hassan Madkhali, Majid Ahmad Ganaie
Colon cancer is a world-wide health problem and one of the most dangerous type of cancer, affecting both men and women. Naringenin (4, 5, 7-trihydroxyflavanone) is one of the major flavone glycoside present in citrus fruits. Naringenin has long been used in Chinese's traditional medicine because of its exceptional pharmacological properties and non-toxic nature. In the present study, we investigated the chemopreventive potential of Naringenin against 1,2-dimethyhydrazine (DMH)-induced precancerous lesions, that is, aberrant crypt foci (ACF) and mucin depleted foci (MDF), and its role in regulating the oxidative stress, inflammation and hyperproliferation, in the colon of Wistar rats...
January 18, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29344848/current-status-and-future-possibilities-of-molecular-genetics-techniques-in-brassica-napus
#15
REVIEW
Muhammad Afzal, Salem Safer Alghamdi, Muhammad Habib Ur Rahman, Awais Ahmad, Tahir Farooq, Mukhtar Alam, Imtiaz Ali Khan, Hidayat Ullah, Wajid Nasim, Shah Fahad
As PCR methods have improved over the last 15 years, there has been an upsurge in the number of new DNA marker tools, which has allowed the generation of high-density molecular maps for all the key Brassica crop types. Biotechnology and molecular plant breeding have emerged as a significant tool for molecular understanding that led to a significant crop improvement in the Brassica napus species. Brassica napus possess a very complicated polyploidy-based genomics. The quantitative trait locus (QTL) is not sufficient to develop effective markers for trait introgression...
January 17, 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29343991/trends-and-inequities-in-use-of-maternal-health-care-services-in-indonesia-1986-2012
#16
Herfina Y Nababan, Md Hasan, Tiara Marthias, Rolina Dhital, Aminur Rahman, Iqbal Anwar
Purpose: Overall health status indicators have improved significantly over the past three decades in Indonesia. However, the country's maternal mortality ratio remains high with a stark inequality by region. Fewer studies have explored access inequity in maternal health care service over time using multiple inequality markers. In this study, we analyzed Indonesian Demographic and Health Survey (DHS) data to explore trends and inequities in use of any antenatal care (ANC), four or more ANC (ANC4+), institutional birth, and cesarean section (c-section) birth in Indonesia during 1986-2012 to inform policy for future strategies ending preventable maternal deaths...
2018: International Journal of Women's Health
https://www.readbyqxmd.com/read/29343814/intrinsic-apoptotic-pathway-activation-increases-response-to-anti-estrogens-in-luminal-breast-cancers
#17
Michelle M Williams, Linus Lee, Thomas Werfel, Meghan M Morrison Joly, Donna J Hicks, Bushra Rahman, David Elion, Courtney McKernan, Violeta Sanchez, Monica V Estrada, Suleiman Massarweh, Richard Elledge, Craig Duvall, Rebecca S Cook
Estrogen receptor-α positive (ERα+) breast cancer accounts for approximately 70-80% of the nearly 25,0000 new cases of breast cancer diagnosed in the US each year. Endocrine-targeted therapies (those that block ERα activity) serve as the first line of treatment in most cases. Despite the proven benefit of endocrine therapies, however, ERα+ breast tumors can develop resistance to endocrine therapy, causing disease progression or relapse, particularly in the metastatic setting. Anti-apoptotic Bcl-2 family proteins enhance breast tumor cell survival, often promoting resistance to targeted therapies, including endocrine therapies...
January 17, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29341912/quantitative-estimation-of-phenytoin-sodium-disproportionation-in-the-formulations-using-vibration-spectroscopies-and-multivariate-methodologies
#18
Sathish Dharani, Ziyaur Rahman, Sogra F Barakh Ali, Hamideh Afrooz, Mansoor A Khan
Phenytoin sodium (PS) has tendency to convert to its base form; phenytoin base (PHT) during manufacturing, packaging, shelf life and in-use conditions that can influence its clinical performance. The objective of the present work was to develop a non-destructive, quick and easy analytical method for quantification of PHT in the drug product. A formulation was prepared containing the excipients present in the commercial capsule formulation of PS. Formulation containing either 100% PHT or PS was prepared and these formulations were mixed in different proportion to achieve 0-100% PHT matrices...
January 13, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29339766/the-crystal-structure-of-d-xylonate-dehydratase-reveals-functional-features-of-enzymes-from-the-ilv-ed-dehydratase-family
#19
Mohammad Mubinur Rahman, Martina Andberg, Anu Koivula, Juha Rouvinen, Nina Hakulinen
The Ilv/ED dehydratase protein family includes dihydroxy acid-, gluconate-, 6-phosphogluconate- and pentonate dehydratases. The members of this family are involved in various biosynthetic and carbohydrate metabolic pathways. Here, we describe the first crystal structure of D-xylonate dehydratase from Caulobacter crescentus (CcXyDHT) at 2.7 Å resolution and compare it with other available enzyme structures from the IlvD/EDD protein family. The quaternary structure of CcXyDHT is a tetramer, and each monomer is composed of two domains in which the N-terminal domain forms a binding site for a [2Fe-2S] cluster and a Mg2+ ion...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29339452/effects-of-colostrum-feeding-method-and-oral-igf1-on-porcine-uterine-development
#20
Ashley F George, Kathleen M Rahman, Dori J Miller, Anne A Wiley, Meredith E Camp, Frank Bartol, Carol A Bagnell
Nursing ensures lactocrine delivery of maternally-derived, milk-borne bioactive factors to offspring, which affects postnatal development of female reproductive tract tissues. Disruption of lactocrine communication for two days from birth (postnatal day = PND 0) by feeding milk replacer in lieu of nursing or consumption of colostrum alters porcine uterine gene expression globally by PND 2 and inhibits uterine gland genesis by PND 14. Here, objectives were to determine effects of: 1) nursing or milk replacer feeding from birth; 2) a single dose of colostrum or milk replacer and method of feeding; and 3) a single feeding of colostrum or milk replacer, with or without oral supplementation of IGF1, administered at birth on aspects of porcine uterine development at 12 h postnatally...
January 16, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
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