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https://www.readbyqxmd.com/read/29786837/high-intensity-ultrasound-for-salmonella-enteritidis-inactivation-in-culture-and-liquid-whole-eggs
#1
Chayapa Techathuvanan, Doris Helen D'Souza
High intensity ultrasound (HIU) continues to be researched as a nonthermal inactivation technology of appeal to food manufacturers. The advantages of HIU include maintenance of product quality, freshness, product homogenization, along with simultaneous inactivation of pathogens. Besides, it is simple, relatively inexpensive, and easily adaptable to most processing environments. This study investigated the effect of HIU for Salmonella Enteritidis inactivation in culture and liquid whole eggs (LWEs) to decrease egg-associated outbreaks...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29786830/blue-light-filtering-intraocular-lenses-iols-for-protecting-macular-health
#2
REVIEW
Laura E Downie, Ljoudmila Busija, Peter R Keller
BACKGROUND: An intraocular lens (IOL) is a synthetic lens that is surgically implanted within the eye following removal of the crystalline lens, during cataract surgery. While all modern IOLs attenuate the transmission of ultra-violet (UV) light, some IOLs, called blue-blocking or blue-light filtering IOLs, also reduce short-wavelength visible light transmission. The rationale for blue-light filtering IOLs derives primarily from cell culture and animal studies, which suggest that short-wavelength visible light can induce retinal photoxicity...
May 22, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29786653/role-for-cystathionine-%C3%AE-lyase-cse-in-an-ethanol-e-induced-lesion-in-fetal-brain-gsh-homeostasis
#3
Dhyanesh Patel, Marylatha Rathinam, Courtney Jarvis, Lenin Mahimainathan, George Henderson, Madhusudhanan Narasimhan
Earlier, we reported that gestational ethanol (E) can dysregulate neuron glutathione (GSH) homeostasis partially via impairing the EAAC1-mediated inward transport of Cysteine (Cys) and this can affect fetal brain development. In this study, we investigated if there is a role for the transulfuration pathway (TSP), a critical bio-synthetic point to supply Cys in E-induced dysregulation of GSH homeostasis. These studies utilized an in utero E binge model where the pregnant Sprague⁻Dawley (SD) rat dams received five doses of E at 3...
May 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29786652/consumer-perception-of-the-quality-of-lamb-and-lamb-confit
#4
Guillermo Ripoll, Margalida Joy, Begoña Panea
The patterns of food consumption in general and those of meat, in particular, are constantly changing. These changes are due not only to socioeconomic and cultural trends that affect the whole society but also to the specific lifestyles of consumer groups. Due to the importance of consumer lifestyle, the objectives of this study were (i) to identify the profiles of lamb meat consumers according to their orientation toward convenience, as defined by their eating and cooking habits; (ii) to characterize these profiles according to their socioeconomic characteristics and their preferences regarding the intrinsic and extrinsic quality signals of lamb meat; and (iii) to analyze the willingness to pay for lamb confit...
May 22, 2018: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29786602/microfluidic-system-for-modelling-3d-tumour-invasion-into-surrounding-stroma-and-drug-screening
#5
Zhichang Du, Shengli Mi, Xiaoman Yi, Yuanyuan Xu, Wei Sun
Tumour invasion into the surrounding stroma is a critical step in metastasis, and it is necessary to clarify the role of microenvironmental factors in tumour invasion. We present a microfluidic system that simulated and controlled multi-factors of the tumour microenvironment for three-dimensional (3D) assessment of tumour invasion into the stroma. The simultaneous, precise and continuous arrangement of two 3D matrices was visualised to observe the migration of cancer cell populations or single cells by transfecting cells with a fluorescent protein...
May 22, 2018: Biofabrication
https://www.readbyqxmd.com/read/29786118/an-optimized-fed-batch-culture-strategy-integrated-with-a-one-step-fermentation-improves-l-lactic-acid-production-by-rhizopus-oryzae
#6
Yongqian Fu, Xiaolong Sun, Huayue Zhu, Ru Jiang, Xi Luo, Longfei Yin
In previous work, we proposed a novel modified one-step fermentation fed-batch strategy to efficiently generate L-lactic acid (L-LA) using Rhizopus oryzae. In this study, to further enhance efficiency of L-LA production through one-step fermentation in fed-batch cultures, we systematically investigated the initial peptone- and glucose-feeding approaches, including different initial peptone and glucose concentrations and maintained residual glucose levels. Based on the results of this study, culturing R. oryzae with initial peptone and glucose concentrations of 3...
May 21, 2018: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/29786104/correlation-between-the-expression-of-il%C3%A2-18-and-deep-venous-thrombosis
#7
Guangdi Li, Rudan Zhou, Xueling Zhao, Riguang Liu, Chuan Ye
The present study aimed to investigate the effect of the expression of interleukin (IL)‑18 and related markers on deep venous thrombosis (DVT) to examine their correlation. Sprague‑Dawley rats of different models were established and were randomly assigned into three groups. The expression of IL‑18, nuclear factor (NF)‑κB and von Willebrand factor (vWF) were detected in blood samples. The inferior vena cava (IVC) was ligated to establish the DVT model. Rat IL‑18 overexpression and inhibition vectors were constructed...
May 16, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29785489/trpc6-inactivation-confers-protection-in-a-model-of-severe-nephrosis-in-rats
#8
Eun Young Kim, Parisa Yazdizadeh Shotorbani, Stuart E Dryer
Mutations in canonical transient receptor potential-6 (TRPC6) channels give rise to rare familial forms of focal and segmental glomerulosclerosis (FSGS). Here we examined a possible role for TRPC6 in the progression of chronic puromycin aminonucleoside (PAN) nephrosis in Sprague-Dawley rats, a classic model of acquired nephrotic syndromes. We used CRISPR/Cas9 technology to delete a 239-bp region within exon 2 of the Trpc6 gene (Trpc6del allele). Trpc6del/del rats expressed detectable Trpc6 transcripts missing exon 2, and TRPC6 proteins could be detected by immunoblot of renal cortex...
May 22, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29785358/bacterial-community-changes-in-an-industrial-algae-production-system
#9
Scott P Fulbright, Adam Robbins-Pianka, Donna Berg-Lyons, Rob Knight, Kenneth F Reardon, Stephen T Chisholm
While microalgae are a promising feedstock for production of fuels and other chemicals, a challenge for the algal bioproducts industry is obtaining consistent, robust algae growth. Algal cultures include complex bacterial communities and can be difficult to manage because specific bacteria can promote or reduce algae growth. To overcome bacterial contamination, algae growers may use closed photobioreactors designed to reduce the number of contaminant organisms. Even with closed systems, bacteria are known to enter and cohabitate, but little is known about these communities...
April 2018: Algal Research
https://www.readbyqxmd.com/read/29785182/reactive-oxygen-species-generation-in-human-cells-by-a-novel-magnetic-resonance-imaging-contrast-agent
#10
Li Wang, Eric Lin, Mary J Johansen, Timothy Madden, Edward Felix, Karen S Martirosyan, Steven J Frank
The novel positive-contrast magnetic resonance imaging (MRI) marker C4 consists of an aqueous solution of cobalt chloride (CoCl2 ) complexed with the chelator N-acetylcysteine (NAC). We evaluated whether the presence of C4 or its components would produce reactive oxygen species (ROS, including hydroxyl, peroxyl, or other reactive oxygen species) in cultured cells. Human cancer or normal cells were incubated with 1% (w/v) CoCl2 ·6H2 O or 2% NAC or a combination of both (1% CoCl2 ·6H2 O : 2% NAC in an aqueous solution, abbreviated as Co : NAC) in the presence or absence of H2 O2 ...
2018: Journal of Toxicology
https://www.readbyqxmd.com/read/29784027/recommendations-for-application-of-haemophilus-influenzae-pcr-diagnostics-to-respiratory-specimens-for-children-living-in-northern-australia-a-retrospective-re-analysis
#11
Jemima Beissbarth, Michael J Binks, Robyn L Marsh, Anne B Chang, Amanda J Leach, Heidi C Smith-Vaughan
OBJECTIVE: Haemophilus haemolyticus can be misidentified as nontypeable Haemophilus influenzae (NTHi) due to their phenotypic similarities in microbiological culture. This study aimed to determine the prevalence of misidentified NTHi in respiratory specimens from children living in northern Australia. RESULTS: Among respiratory specimens collected in studies between 2010 and 2013, retrospective PCR analysis found that routine culture misidentified H. haemolyticus as NTHi in 0...
May 21, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29783922/lethal-phlegmonous-colitis
#12
John D Gilbert, Roger W Byard
A 52-year-old man died soon after admission to hospital with a severe metabolic acidosis and likely sepsis. He had a past history of alcohol abuse with withdrawal seizures. An abdominal computed tomography scan showed thickened bowel loops but no obvious ischaemic changes, and a blood culture yielded a pure growth of Escherichia coli. At autopsy, the liver showed well-established micro-nodular cirrhosis with steatosis. The peritoneal cavity contained 200 mL of turbid yellow-brown fluid, and the caecum and ascending colon were unusually thickened...
January 1, 2018: Medicine, Science, and the Law
https://www.readbyqxmd.com/read/29783882/level-of-cultural-self-efficacy-of-colombian-nursing-professionals-and-related-factors
#13
Raquel Herrero-Hahn, Juan Guillermo Rojas, Rafael Montoya-Juárez, María Paz García-Caro, César Hueso-Montoro
PURPOSE: To describe the level of cultural self-efficacy of Colombian nursing professionals and determine the main influencing factors. METHOD: A descriptive, analytical cross-sectional study was conducted in 211 nursing professionals selected by systematic random sampling for a finite population, using the Colombian version of the Cultural Self-Efficacy Scale. After descriptive statistical analysis, nonparametric tests were applied to determine between-variable associations, followed by multiple linear regression analysis...
May 1, 2018: Journal of Transcultural Nursing: Official Journal of the Transcultural Nursing Society
https://www.readbyqxmd.com/read/29783706/effect-of-temperature-changes-on-serum-protein-adsorption-on-thermoresponsive-cell-culture-surfaces-monitored-by-a-quartz-crystal-microbalance-with-dissipation
#14
Jun Kobayashi, Yoshinori Arisaka, Nobuhiko Yui, Yoshikatsu Akiyama, Masayuki Yamato, Teruo Okano
Thermoresponsive cell-culture polystyrene (PS) surfaces that are grafted with poly( N -isopropylacrylamide) (PIPAAm) facilitate the cultivation of cells at 37 °C and the detachment of cultured cells as a sheet with an underlying extracellular matrix (ECM) by reducing the temperature. However, the ECM and cell detachment mechanisms are still unclear because the detachment of cells from thermoresponsive surfaces is governed by complex interactions among the cells/ECM/surface. To explore the dynamic behavior of serum protein adsorption/desorption, thermoresponsive surfaces that correspond to thermoresponsive tissue-culture PS dishes were formed on sensor chips for quartz crystal microbalance with dissipation (QCM-D) measurements...
May 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29783244/some-features-of-the-behavior-of-alcohol-dependent-persons
#15
Ihor М Karpinets, Oksana V Marusyn
OBJECTIVE: Introduction: Alcoholism is characterized by psychological dependence and changes in human behavior, which affects the person's relationship with the social environment. The aim: to determine the behavior of alcohol dependent persons basing on the retrospective study. PATIENTS AND METHODS: Materials and methods: On the basis of narcological offices of healthcare establishments and narcological clinic in Ivano-Frankivsk oblast, 552 people being in follow-up by a narcologist as addicted or abused have been examined for a specially developed extended program based on a standardized AUDIT screening test...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783172/headspace-sorptive-extraction-gas-chromatography-mass-spectrometry-method-to-measure-volatile-emissions-from-human-airway-cell-cultures
#16
Mei S Yamaguchi, Mitchell M McCartney, Angela L Linderholm, Susan E Ebeler, Michael Schivo, Cristina E Davis
The human respiratory tract releases volatile metabolites into exhaled breath that can be utilized for noninvasive health diagnostics. To understand the origin of this metabolic process, our group has previously analyzed the headspace above human epithelial cell cultures using solid phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS). In the present work, we improve our model by employing sorbent-covered magnetic stir bars for headspace sorptive extraction (HSSE). Sorbent-coated stir bar analyte recovery increased by 52 times and captured 97 more compounds than SPME...
May 12, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29782701/tgf-%C3%AE-1-modified-hyaluronic-acid-poly-glycidol-hydrogels-for-chondrogenic-differentiation-of-human-mesenchymal-stromal-cells
#17
Thomas Böck, Verena Schill, Martin Krähnke, Andre F Steinert, Jörg Tessmar, Torsten Blunk, Jürgen Groll
In cartilage regeneration, the biomimetic functionalization of hydrogels with growth factors is a promising approach to improve the in vivo performance and furthermore the clinical potential of these materials. In order to achieve this without compromising network properties, multifunctional linear poly(glycidol) acrylate (PG-Acr) is synthesized and utilized as crosslinker for hydrogel formation with thiol-functionalized hyaluronic acid via Michael-type addition. As proof-of-principle for a bioactivation, transforming growth factor-beta 1 (TGF-β1) is covalently bound to PG-Acr via Traut's reagent which does not compromise the hydrogel gelation and swelling behavior...
May 21, 2018: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29782585/exploring-transformations-in-caribbean-indigenous-social-networks-through-visibility-studies-the-case-of-late-pre-colonial-landscapes-in-east-guadeloupe-french-west-indies
#18
Tom Brughmans, Maaike S de Waal, Corinne L Hofman, Ulrik Brandes
This paper presents a study of the visual properties of natural and Amerindian cultural landscapes in late pre-colonial East-Guadeloupe and of how these visual properties affected social interactions. Through a review of descriptive and formal visibility studies in Caribbean archaeology, it reveals that the ability of visual properties to affect past human behaviour is frequently evoked but the more complex of these hypotheses are rarely studied formally. To explore such complex hypotheses, the current study applies a range of techniques: total viewsheds, cumulative viewsheds, visual neighbourhood configurations and visibility networks...
2018: Journal of archaeological method and theory
https://www.readbyqxmd.com/read/29782373/compliance-and-high-reliability-in-a-complex-healthcare-organization
#19
Maxine dellaBadia Simon
When considering the impact of regulation on healthcare, visualize a spider's web. The spider weaves sections together to create the whole, with each fiber adding to the structure to support its success or lead to its failure. Each section is dependent on the others, and all must be aligned to maintain the structure. Outside forces can cause a shift in the web's fragile equilibrium.The interdependence of the sections of the spider's web is similar to the way hospital departments and services work together. An organization's structure must be shaped to support its mission and vision...
2018: Frontiers of Health Services Management
https://www.readbyqxmd.com/read/29782305/tatami-mats-a-source-of-pitted-keratolysis-in-a-martial-arts-athlete
#20
Anamaria Balić, Zrinka Bukvić Mokos, Branka Marinović, Daniela Ledić Drvar
Dear Editor, Pitted keratolysis (PK), also known as keratosis plantaris sulcatum, is a non-inflammatory, bacterial, superficial cutaneous infection, characterized by many discrete superficial crateriform ''pits'' and erosions in the thickly keratinized skin of the weight-bearing regions of the soles of the feet (1). The disease often goes unnoticed by the patient, but when it is noticed it is because of the unbearable malodor and hyperhidrosis of the feet, which are socially unacceptable and cause great anxiety to many of the patients...
April 2018: Acta Dermatovenerologica Croatica: ADC
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