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https://www.readbyqxmd.com/read/28920559/functional-mechanics-of-a-pectin-based-pleural-sealant-after-lung-injury
#1
Andrew B Servais, Cristian D Valenzuela, Arne Kienzle, Alexandra B Ysasi, Willi L Wagner, Akira Tsuda, Maximilian Ackermann, Steven J Mentzer
Pleural injury and associated air leaks are a major influence on patient morbidity and health care costs after lung surgery. Pectin, a plant-derived heteropolysaccharide, has recently demonstrated potential as an adhesive binding to the glycocalyx of visceral mesothelium. Since bioadhesion is a process likely involving the interpenetration of the pectin-based polymer with the glycocalyx, we predicted that the pectin-based polymer may also be an effective sealant for pleural injury. To explore the potential role of an equal weight % mixture of high-methoxyl pectin and carboxymethylcellulose as a pleural sealant, we compared the yield strength of the pectin-based polymer to commonly available surgical products...
September 16, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28917735/trace-analysis-of-nitrite-ions-in-environmental-samples-by-using-in-situ-synthesized-zein-biopolymeric-nanoparticles-as-the-novel-green-solid-phase-extractor
#2
Amir Hatamie, Mahmoud Nassiri, Meghdad Doust Alivand, Amit Bhatnagar
For the first time, a novel green method using Zein biopolymeric nanoparticles as a green dispersive solid-phase extractor is reported for the separation and preconcentration of trace amount of nitrite (NO2(-)) ions in ppb levels. The Zein protein is a biodegradable hydrophobic plant protein that is obtained from corn and is composed of a number of hydrophobic amino acids. Zein bionanoparticles were synthesized in an anti-solvent process and used as a new biosorbent in the extraction technique. In the proposed technique, by using a standard method at first, a mixture of 1-naphthylamine and sulphanilic acid as selective regents was added to the samples, and in the presence of the nitrite ion, a red azo product was formed...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917299/exploitation-of-chemical-herbal-and-nanoformulated-acaricides-to-control-the-cattle-tick-rhipicephalus-boophilus-microplus-a-review
#3
REVIEW
Balan Banumathi, Baskaralingam Vaseeharan, Periyannan Rajasekar, Narayanan Marimuthu Prabhu, Palaniappan Ramasamy, Kadarkarai Murugan, Angelo Canale, Giovanni Benelli
The tick Rhipicephalus (Boophilus) microplus is a key vector of bacterial and protozoan diseases causing heavy economic losses directly and indirectly in animal husbandry. In the past decades, the control of ticks faced some major issues, such as the rapid development of resistance in targeted vectors and non-target effects on human health and the environment, due to the employ of synthetic acaricides and repellents. Eco-friendly pesticides for treating and controlling animal parasites such as ticks were mainly from medicinal plants and thus they form the richest entity for manufacturing resources for drugs...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28916319/inhibition-of-growth-and-biofilm-formation-of-clinical-bacterial-isolates-by-nio-nanoparticles-synthesized-from-eucalyptus-globulus-plants
#4
Samia Saleem, Bilal Ahmed, Mohammad Saghir Khan, Majed Al-Shaeri, Javed Musarrat
Nanotechnology based therapeutics has emerged as a promising approach for augmenting the activity of existing antimicrobials due to the unique physical and chemical properties of nanoparticles (NPs). Nickel oxide nanoparticles (NiO-NPs) have been suggested as prospective antibacterial and antitumor agent. In this study, NiO-NPs have been synthesized by a green approach using Eucalyptus globulus leaf extract and assessed for their bactericidal activity. The morphology and purity of synthesized NiO-NPs determined through various spectroscopic techniques like UV-Visible, FT-IR, XRD, EDX and electron microscopy differed considerably...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28915819/bacteriophage-therapy-to-combat-bacterial-infections-in-poultry
#5
REVIEW
Andrzej Wernicki, Anna Nowaczek, Renata Urban-Chmiel
Infections in poultry are an economic and health problem in Europe and worldwide. The most common infections are associated with salmonellosis, colibacillosis, campylobacteriosis, and others. The prevalence of Campylobacter-positive poultry flocks in European countries varies from 18% to 90%. In the United States, the prevalence of infected flocks is nearly 90%. A similar percentage of infection has been noted for salmonellosis (about 75-90%) and E. coli (90-95%). The occurence of Clostridium perfringens is a major problem for the poultry industry, with some estimates suggesting colonization of as many as 95% of chickens, resulting in clinical or subclinical infections...
September 16, 2017: Virology Journal
https://www.readbyqxmd.com/read/28914778/screening-for-autochthonous-phytoextractors-in-a-heavy-metal-contaminated-coal-mining-area
#6
Kuangjia Li, Zijian Lun, Lin Zhao, Qilong Zhu, Yansheng Gu, Manzhou Li
In order to protect public health and crops from soil heavy metal (HM) contamination at a coal mining area in Henan, central China, HM pollution investigation and screening of autochthonous HM phytoextractors were conducted. The concentrations of cadmium (Cd), lead (Pb), copper (Cu) and zinc (Zn) in surface soils exceeded the corresponding local background values and the China National Standard (CNS). The maximum potential ecological risk (RI) was 627.30, indicating very high ecological risk. The monomial risk of Cd contributed the most to the RI, varying from 85...
September 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28911545/chemistry-and-health-effects-of-furanocoumarins-in-grapefruit
#7
REVIEW
Wei-Lun Hung, Joon Hyuk Suh, Yu Wang
Furanocoumarins are a specific group of secondary metabolites that commonly present in higher plants, such as citrus plants. The major furanocoumarins found in grapefruits (Citrus paradisi) include bergamottin, epoxybergamottin, and 6',7'-dihydroxybergamottin. During biosynthesis of these furanocoumarins, coumarins undergo biochemical modifications corresponding to a prenylation reaction catalyzed by the cytochrome P450 enzymes with the subsequent formation of furan rings. Because of undesirable interactions with several medications, many studies have developed methods for grapefruit furanocoumarin quantification that include high-performance liquid chromatography coupled with UV detector or mass spectrometry...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28906059/benefits-and-limitations-of-dna-barcoding-and-metabarcoding-in-herbal-product-authentication
#8
REVIEW
Ancuta Cristina Raclariu, Michael Heinrich, Mihael Cristin Ichim, Hugo de Boer
INTRODUCTION: Herbal medicines play an important role globally in the health care sector and in industrialised countries they are often considered as an alternative to mono-substance medicines. Current quality and authentication assessment methods rely mainly on morphology and analytical phytochemistry-based methods detailed in pharmacopoeias. Herbal products however are often highly processed with numerous ingredients, and even if these analytical methods are accurate for quality control of specific lead or marker compounds, they are of limited suitability for the authentication of biological ingredients...
September 14, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28905629/nanoparticle-and-ionic-zn-promote-nutrient-loading-of-sorghum-grain-under-low-npk-fertilization
#9
Christian Dimkpa, Jason C White, Wade H Elmer, Jorge L Gardea-Torresdey
This study evaluated the effects of ZnO nanoparticles (NP) or Zn salt amendment on sorghum yield, macronutrient use efficiency, and grain Zn-enrichment. Amendments were through soil and foliar pathways, under ''low'' and ''high'' NPK. In soil and foliar amendments, grain yield was significantly (p≤0.05) increased by both Zn types, albeit insignificantly with soil-applied Zn at low NPK. Across NPK levels and Zn exposure pathways, both Zn types increased N and P accumulation relative to control plants. Compared to N and K, both Zn types had a mixed effect on P accumulation, depending on NPK level and Zn exposure pathway, and permitted greater soil P retention...
September 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28902295/sandfly-fauna-diptera-psychodidae-in-an-urban-area-central-west-of-brazil
#10
Wagner de Souza Fernandes, Leandro Machado Borges, Aline Etelvina Casaril, Everton Falcão de Oliveira, Jucelei de Oliveira Moura Infran, Eliane Mattos Piranda, Elisa Teruya Oshiro, Suellem Petilim Gomes, Alessandra Gutierrez de Oliveira
Biological and ecological relations among vectors and their pathogens are important to understand the epidemiology of vector-borne diseases. Camapuã is an endemic area for visceral and tegumentary leishmaniasis. The aim of this study was to characterize the sandfly fauna present in Camapuã , MS, Brazil. Sand flies were collected every fortnight from May 2014 to April 2015 using automatic light traps in the domicile and peridomicile of twelve neighborhoods and forest. The collected specimens were identified based on morphology according to the valid identification keys...
August 24, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28900838/comparative-nutritional-value-of-jatropha-curcas-protein-isolate-and-soy-protein-isolate-in-common-carp
#11
Sunil Nepal, Vikas Kumar, Harinder P S Makkar, Timo Stadtlander, Nicholas Romano, Klaus Becker
Jatropha seed cake (JSC) is an excellent source of protein but does contain some antinutritional factors (ANF) that can act as toxins and thus negatively affect the growth and health status of fish. While this can limit the use of JSC, detoxified Jatropha protein isolate (DJPI) may be a better option. An 8-week study was performed to evaluate dietary DJPI to common carp Cyprinus carpio. Five iso-nitrogenous diets (crude protein of 38%) were formulated that consisted of a C ontrol (fish meal (FM) based protein), J 50 or J 75 (50 and 75% of FM protein replaced by DJPI), and S 50 or S 75 (50 and 75% of FM protein replaced by soy protein isolate, SPI) and fed to triplicate groups of 75 carp fingerlings (75; av...
September 12, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28900317/evaluation-of-cytotoxicity-effects-of-oleo-gum-resin-and-its-essential-oil-of-ferula-assa-foetida-and-ferulic-acid-on-4t1-breast-cancer-cells
#12
Seyyed Majid Bagheri, Amir Abdian Asl, Ali Shams, Seyyed Ali Mirghanizadeh-Bafghi, Zeynab Hafizibarjin
BACKGROUND: Cancer causes significant morbidity and mortality and is a major public health problem worldwide. Breast cancer is a leading cause of cancer-associated mortality in women, and the incidence is also on the rise in the entire world. Medicinal plants have been an important source of several clinically useful anticancer agents. AIM: In this study, we studied the growth inhibitory effect of asafoetida and its essential oil and ferulic acid on antitumor activity using mouse breast cancer cell line...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28895501/nourishing-the-spirit-exploratory-research-on-ayahuasca-experiences-along-the-continuum-of-recovery-from-eating-disorders
#13
Adele Lafrance, Anja Loizaga-Velder, Jenna Fletcher, Marika Renelli, Natasha Files, Kenneth W Tupper
Eating disorders (EDs) are serious health conditions that are among the most difficult to treat. Innovative treatments are needed and modalities from across cultures must be considered. Ayahuasca is a psychoactive plant-based tea originally used by Amazonian indigenous groups. A growing body of research points to its promise in the healing of various mental health issues. This study explored the potential therapeutic value of ayahuasca in the context of EDs, including the perceived impact of the preparatory diet and the ayahuasca purge...
September 12, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28894265/thiosemicarbazone-scaffold-for-the-design-of-antifungal-and-antiaflatoxigenic-agents-evaluation-of-ligands-and-related-copper-complexes
#14
Dominga Rogolino, Anna Gatti, Mauro Carcelli, Giorgio Pelosi, Franco Bisceglie, Francesco Maria Restivo, Francesca Degola, Annamaria Buschini, Serena Montalbano, Donatella Feretti, Claudia Zani
The issue of food contamination by aflatoxins presently constitutes a social emergency, since they represent a severe risk for human and animal health. On the other hand, the use of pesticides has to be contained, since this generates long term residues in food and in the environment. Here we present the synthesis of a series of chelating ligands based on the thiosemicarbazone scaffold, to be evaluated for their antifungal and antiaflatoxigenic effects. Starting from molecules of natural origin of known antifungal properties, we introduced the thio- group and then the corresponding copper complexes were synthesised...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28891954/assessment-of-heavy-metal-pollution-and-health-risks-in-the-soil-plant-human-system-in-the-yangtze-river-delta-china
#15
Bifeng Hu, Xiaolin Jia, Jie Hu, Dongyun Xu, Fang Xia, Yan Li
Heavy metal (HM) contamination and accumulation is a serious problem around the world due to the toxicity, abundant sources, non-biodegradable properties, and accumulative behaviour of HMs. The degree of soil HM contamination in China, especially in the Yangtze River Delta, is prominent. In this study, 1822 pairs of soil and crop samples at corresponding locations were collected from the southern Yangtze River Delta of China, and the contents of Ni, Cr, Zn, Cd, As, Cu, Hg, and Pb were measured. The single pollution index in soil (SPI) and Nemerow composite pollution index (NCPI) were used to assess the degree of HM pollution in soil, and the crop pollution index (CPI) was used to explore the degree of HM accumulation in crops...
September 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28887416/identifying-the-active-microbiome-associated-with-roots-and-rhizosphere-soil-of-oilseed-rape
#16
Konstantia Gkarmiri, Shahid Mahmood, Alf Ekblad, Sadhna Alström, Nils Högberg, Roger Finlay
RNA stable isotope probing and high throughput sequencing were used to characterize the active microbiomes of bacteria and fungi colonizing roots and rhizosphere soil of oilseed rape, to identify taxa assimilating plant-derived carbon following (13)CO2 labeling. Root- and rhizosphere soil-associated communities of both bacteria and fungi differed from each other and there were highly significant differences between their DNA- and RNA-based community profiles. Verrucomicrobia, Proteobacteria, Planctomycetes, Acidobacteria, Gemmatimonadetes, Actinobacteria and Chloroflexi were the most active bacterial phyla in the rhizosphere soil...
September 8, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28886977/an-optimization-model-for-collection-haul-transfer-treatment-and-disposal-of-infectious-medical-waste-application-to-a-greek-region
#17
Gerasimos Mantzaras, Evangelos A Voudrias
The objective of this work was to develop an optimization model to minimize the cost of a collection, haul, transfer, treatment and disposal system for infectious medical waste (IMW). The model calculates the optimum locations of the treatment facilities and transfer stations, their design capacities (t/d), the number and capacities of all waste collection, transport and transfer vehicles and their optimum transport path and the minimum IMW management system cost. Waste production nodes (hospitals, healthcare centers, peripheral health offices, private clinics and physicians in private practice) and their IMW production rates were specified and used as model inputs...
September 5, 2017: Waste Management
https://www.readbyqxmd.com/read/28880991/a-comparison-of-alkaline-water-and-mediterranean-diet-vs-proton-pump-inhibition-for-treatment-of-laryngopharyngeal-reflux
#18
Craig H Zalvan, Shirley Hu, Barbara Greenberg, Jan Geliebter
Importance: Laryngopharyngeal reflux (LPR) is a common disorder with protean manifestations in the head and neck. In this retrospective study, we report the efficacy of a wholly dietary approach using alkaline water, a plant-based, Mediterranean-style diet, and standard reflux precautions compared with that of the traditional treatment approach of proton pump inhibition (PPI) and standard reflux precautions. Objective: To determine whether treatment with a diet-based approach with standard reflux precautions alone can improve symptoms of LPR compared with treatment with PPI and standard reflux precautions...
September 7, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28879580/plant-and-animal-micrornas-mirnas-and-their-potential-for-inter-kingdom-communication
#19
REVIEW
Yuhai Zhao, Lin Cong, Walter J Lukiw
microRNAs (miRNAs) comprise a class of ~18-25 nucleotide (nt) single-stranded non-coding RNAs (sncRNAs) that are the smallest known carriers of gene-encoded, post-transcriptional regulatory information in both plants and animals. There are many fundamental similarities between plant and animal miRNAs-the miRNAs of both kingdoms play essential roles in development, aging and disease, and the shaping of the transcriptome of many cell types. Both plant and animal miRNAs appear to predominantly exert their genetic and transcriptomic influences by regulating gene expression at the level of messenger RNA (mRNA) stability and/or translational inhibition...
September 6, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28877637/ghost-probiotics-with-a-combined-regimen-a-novel-therapeutic-approach-against-the-zika-virus-an-emerging-world-threat
#20
Vivek K Bajpai, Vishal Chandra, Na-Hyung Kim, Rajni Rai, Pradeep Kumar, Kangmin Kim, Abhinav Aeron, Sun Chul Kang, D K Maheshwari, MinKyun Na, Irfan A Rather, Yong-Ha Park
The Zika virus (ZIKV) used to be an obscure flavivirus closely related to dengue virus (DENV). Transmission of this epidemic pathogen occurs mainly via mosquitoes, but it is also capable of placental and sexual transmission. Although the characteristics of these viruses are well defined, infections are unpredictable in terms of disease severity, unusual clinical manifestations, unexpected methods of transmission, long-term persistence, and the development of new strains. Recently, ZIKV has gained huge medical attention following the large-scale epidemics around the world, and reported cases of congenital abnormalities associated with Zika virus infections which have created a public health emergency of international concern...
September 7, 2017: Critical Reviews in Biotechnology
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