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https://www.readbyqxmd.com/read/29782142/projection-based-3d-printing-of-cell-patterning-scaffolds-with-multi-scale-channels
#1
Dai Xue, Yancheng Wang, Jiaxin Zhang, Deqing Mei, Yue Wang, Shaochen Chen
To fully actualize artificial, cell-laden biological models in tissue engineering, such as 3D organoids and organs-on-a-chip systems, cells need to be patterned such that they can precisely mimic natural microenvironments in vitro. Despite increasing interest in this area, patterning cells at multiscales (~10 μm - 10 mm) remains a significant challenge in bioengineering. Here we report a projection-based 3D printing system that achieves rapid and high-resolution fabrication of hydrogel scaffolds featuring intricate channels for multi-scale cell patterning...
May 21, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29782023/double-stranded-rna-oral-delivery-methods-to-induce-rna-interference-in-phloem-and-plant-sap-feeding-hemipteran-insects
#2
Saikat Kumar B Ghosh, Wayne B Hunter, Alexis L Park, Dawn E Gundersen-Rindal
Phloem and plant sap feeding insects invade the integrity of crops and fruits to retrieve nutrients, in the process damaging food crops. Hemipteran insects account for a number of economically substantial pests of plants that cause damage to crops by feeding on phloem sap. The brown marmorated stink bug (BMSB), Halyomorpha halys (Heteroptera: Pentatomidae) and the Asian citrus psyllid (ACP), Diaphorina citri Kuwayama (Hemiptera: Liviidae) are hemipteran insect pests introduced in North America, where they are an invasive agricultural pest of high-value specialty, row, and staple crops and citrus fruits, as well as a nuisance pest when they aggregate indoors...
May 4, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29779494/not-so-sweet-refrain-sugar-sweetened-beverage-taxes-industry-opposition-and-harnessing-the-lessons-learned-from-tobacco-control-legal-challenges
#3
Anita George
As a growing number of countries implement, or announce plans to introduce, a sugar-sweetened beverage (SSB) tax, this paper explores the public health rationale for such a tax and provides an overview of the international normative and policy instruments supporting the introduction of fiscal measures on sugary drinks. After examining parallels between the legal arguments raised by the food and beverage industry in opposition to SSB taxes and those raised by the tobacco industry in response to tobacco control measures, this paper draws four key lessons that will assist countries to design effective and robust SSB tax measures and counter food and beverage industry opposition: regulatory distinctions in tax coverage should be based on bona fide, evidence-based reasoning; evidence-based measures need to be tailored to a country's public health objectives as part of a comprehensive strategy to address unhealthy diet consumption; procedural requirements and due process should be observed in the drafting and implementation of the measure; and regulatory space exists within domestic constitutions, laws and international trade and investment agreements recognising the sovereign right of states to regulate in the interests of public health...
May 21, 2018: Health Economics, Policy, and Law
https://www.readbyqxmd.com/read/29778901/3d-printed-drug-delivery-and-testing-systems-a-passing-fad-or-the-future
#4
Seng Han Lim, Himanshu Kathuria, Justin Jia Yao Tan, Lifeng Kang
The US Food and Drug Administration approval of the first 3D printed tablet in 2015 has ignited growing interest in 3D printing, or additive manufacturing (AM), for drug delivery and testing systems. Beyond just a novel method for rapid prototyping, AM provides key advantages over traditional manufacturing of drug delivery and testing systems. These includes the ability to fabricate complex geometries to achieve variable drug release kinetics; ease of personalising pharmacotherapy for patient and lowering the cost for fabricating personalised dosages...
May 17, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29773938/correlations-between-a1c-and-diabetes-knowledge-diabetes-numeracy-and-food-security-in-a-vulnerable-type-2-diabetes-population
#5
Clipper F Young, Kenneth Yun, Edward Kang, Jay H Shubrook, Joy A Dugan
Type 2 diabetes is over-represented in vulnerable populations. Vulnerable patients managing diabetes are challenged with less-than-optimal processes and outcomes of care; thus, Healthy People 2020 and the American Diabetes Association have renewed the focus on social determinants of health with regard to the management of chronic diseases such as diabetes. This study explored the correlations between A1C and social and personal factors, including diabetes knowledge, diabetes numeracy, and food security. The Diabetes Numeracy Test-15, the Spoken Knowledge in Low Literacy Diabetes Scale, and the U...
May 2018: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/29773744/worldwide-emergence-of-resistance-to-antifungal-drugs-challenges-human-health-and-food-security
#6
REVIEW
Matthew C Fisher, Nichola J Hawkins, Dominique Sanglard, Sarah J Gurr
The recent rate of emergence of pathogenic fungi that are resistant to the limited number of commonly used antifungal agents is unprecedented. The azoles, for example, are used not only for human and animal health care and crop protection but also in antifouling coatings and timber preservation. The ubiquity and multiple uses of azoles have hastened the independent evolution of resistance in many environments. One consequence is an increasing risk in human health care from naturally occurring opportunistic fungal pathogens that have acquired resistance to this broad class of chemicals...
May 18, 2018: Science
https://www.readbyqxmd.com/read/29773698/protocol-for-the-validation-of-sensitivity-and-specificity-of-the-cow-s-milk-related-symptom-score-comiss-against-open-food-challenge-in-a-single-blinded-prospective-multicentre-trial-in-infants
#7
Yvan Vandenplas, Rajat Mukherjee, Christophe Dupont, Philippe Eigenmann, Arne Høst, Mikael Kuitunen, Carmen Ribes-Koninkx, Neil Shah, Hania Szajewska, Andrea von Berg, Ralf G Heine, Zheng-Yan Zhao
INTRODUCTION: The symptoms of cow's milk protein allergy (CMPA) in infancy can be non-specific which may delay a correct diagnosis and cause adverse clinical outcomes. The diagnosis of non-IgE-mediated CMPA is particularly complex as it involves a 2 to 4 week elimination diet followed by oral food challenge (OFC). The Cow's Milk-related Symptom Score (CoMiSS) is a clinical resource for primary healthcare providers which aims to increase awareness of CMPA symptoms to facilitate an earlier diagnosis...
May 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29773372/bionanocomposites-materials-for-food-packaging-applications-concepts-and-future-outlook
#8
REVIEW
Ahmed M Youssef, Samah M El-Sayed
Bionanocomposites materials open a chance for the usage of novel, high performance, lightweight, and ecofriendly composite materials making them take place the traditional non-biodegradable plastic packaging materials. Biopolymers like polysaccharides such as chitosan (CS), carboxymethyl cellulose (CMC), starch and cellophane could be used to resolve environmental hazards owing to their biodegradability and non-toxicity. In addition these advantages, polysaccharides have some disadvantages for example poor mechanical properties and low resistance to water...
August 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29772207/the-role-of-farming-and-rural-development-as-central-to-our-diets
#9
Jessica Fanzo
Farming and rural development are central to the diversity of global food systems and diets, both significant factors in determining the nutrition and health outcomes of the world's population. Diets are not static and indeed are changing due to globalization, urbanization and demographic shifts. In addition, multiple burdens of malnutrition (both undernutrition and overweight and obesity) are not improving fast enough and in some cases, reversing for the worse. Unhealthy diets are major contributors to these burdens...
May 14, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29770297/current-status-and-future-perspectives-of-the-pumpkin-trial
#10
REVIEW
Iki Adachi
Similar to the adult experience, the use of continuous-flow ventricular assist devices (VADs) has been increasing in the pediatric population. According to the PediMACS registry, continuous-flow VAD currently accounts for >60% of the durable device implantations in the U.S. Nonetheless, the continuous-flow VADs currently in use are designed for adults; this inevitably causes the patient-device size mismatch issue, especially when applied for small children. Pulsatile VADs, therefore, represent the only practical option for this group of patients despite the known risk profile of pulsatile VADs...
April 2018: Translational Pediatrics
https://www.readbyqxmd.com/read/29769473/-a-case-of-oral-mite-anphylaxis-in-which-basophil-activation-test-was-useful-for-diagnosis
#11
Shintaro Kamizono, Tamotsu Fujimoto
We treated a 13-year-old girl who developed dyspnea after ingestion of okonomiyaki, a Japanese savory pancake prepared from takoyaki flour mix that was opened several months ago and had been stored at ambient temperature. She was found to be sensitized to mite antigen, and microscopic examination of the flour specimen revealed contamination with mites. Therefore, she was diagnosed with oral mite anaphylaxis (OMA). For a more definitive diagnosis, we performed the basophil activation test (BAT) not only in this patient but also in a healthy woman who was not sensitized to mite (control), using the mite-contaminated flour and unopened takoyaki flour mix as antigens...
2018: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/29769472/-evaluation-of-the-effectiveness-of-subcutaneous-immunotherapy-using-birch-pollen-extract-for-pollen-food-allergy-syndrome
#12
Shuntaro Tsumagari, Satomi Mori, Hiroko Ishizu, Yutaka Tanaka, Yoshihisa Okamoto, Kazuyuki Kurihara
BACKGROUNDS: Recently, patients with oral allergy syndrome (OAS) to fruits or vegetables caused by pollenfood allergy syndrome (PFAS) have increased nationwide. We examined effectiveness of SCIT using birch pollen extract for PFAS. METHODS: A total of 19 patients (9 male and 10 female) underwent SCIT with birch pollen extract from August 2011 to August 2016. Rush schedule was used for the initial updosing for SCIT in a hospital setting. In maintenance phase, SCIT was administered every 4-8 weeks on an outpatient basis...
2018: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/29769071/informal-workers-access-to-health-care-services-findings-from-a-qualitative-study-in-the-kassena-nankana-districts-of-northern-ghana
#13
James Akazili, Samuel Chatio, John Ele-Ojo Ataguba, Isaiah Agorinya, Edmund Wedam Kanmiki, Osman Sankoh, Abraham Oduro
BACKGROUND: Over the past two decades, employment in the informal sector has grown rapidly in all regions including low and middle-income countries. In the developing countries, between 50 and 75% of workers are employed in the informal sector. In Ghana, more than 80% of the total working population is working in the informal sector. They are largely self-employed persons such as farmers, traders, food processors, artisans, craft-workers among others. The persistent problem in advancing efforts to address health vulnerabilities of informal workers is lack of systematic data...
May 16, 2018: BMC International Health and Human Rights
https://www.readbyqxmd.com/read/29766368/systemic-contact-dermatitis
#14
REVIEW
Marcella Aquino, Greg Rosner
Systemic contact dermatitis (SCD) traditionally refers to a skin condition where an individual who is cutaneously sensitized to an allergen will subsequently react to that same allergen or a cross reacting allergen via a different route. It occurs to allergens including metals, medications, and foods. The exact pathophysiology underlying this disease remains unknown, although it appears to be mediated by type 4 hypersensitivity reactions and possibly type 3 hypersensitivity reactions. The p-I concept (pharmacologic interaction with immunoreceptors) hypothesized that drugs are able to bind directly to a T cell receptor without first being presented by MHC (major histocompatibility complex) molecules and without prior metabolism, which would help explain why SCD can be seen on first exposure to medications...
May 15, 2018: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29765385/optimizing-winter-wheat-resilience-to-climate-change-in-rain-fed-crop-systems-of-turkey-and-iran
#15
Marta S Lopes, Conxita Royo, Fanny Alvaro, Miguel Sanchez-Garcia, Emel Ozer, Fatih Ozdemir, Mehmet Karaman, Mozaffar Roustaii, Mohammad R Jalal-Kamali, Diego Pequeno
Erratic weather patterns associated with increased temperatures and decreasing rainfall pose unique challenges for wheat breeders playing a key part in the fight to ensure global food security. Within rain fed winter wheat areas of Turkey and Iran, unusual weather patterns may prevent attaining maximum potential increases in winter wheat genetic gains. This is primarily related to the fact that the yield ranking of tested genotypes may change from one year to the next. Changing weather patterns may interfere with the decisions breeders make about the ideotype(s) they should aim for during selection...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29762789/an-optimist-s-view-on-limiting-necrotic-enteritis-and-maintaining-broiler-gut-health-and-performance-in-today-s-marketing-food-safety-and-regulatory-climate
#16
Charles L Hofacre, John A Smith, Greg F Mathis
The future poultry nutritionist, veterinarian, and husbandryman will have many new regulatory requirements and consumer preferences to navigate in addition to their normal responsibility of raising birds in a cost-efficient and wholesome manner. New challenges include changes to antibiotic use, increased food safety regulations, and more concern over how birds are raised and how to dispose of poultry house waste. All of these new programs and new regulations will alter how we have been raising birds for the last 60 years since the inception of the integrated poultry industry...
June 1, 2018: Poultry Science
https://www.readbyqxmd.com/read/29762545/marine-microalgae-with-anti-cancer-properties
#17
REVIEW
Kevin A Martínez Andrade, Chiara Lauritano, Giovanna Romano, Adrianna Ianora
Cancer is the leading cause of death globally and finding new therapeutic agents for cancer treatment remains a major challenge in the pursuit for a cure. This paper presents an overview on microalgae with anti-cancer activities. Microalgae are eukaryotic unicellular plants that contribute up to 40% of global primary productivity. They are excellent sources of pigments, lipids, carotenoids, omega-3 fatty acids, polysaccharides, vitamins and other fine chemicals, and there is an increasing demand for their use as nutraceuticals and food supplements...
May 15, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29761610/pathways-and-mechanisms-linking-dietary-components-to-cardiometabolic-disease-thinking-beyond-calories
#18
REVIEW
K L Stanhope, M I Goran, A Bosy-Westphal, J C King, L A Schmidt, J-M Schwarz, E Stice, A C Sylvetsky, P J Turnbaugh, G A Bray, C D Gardner, P J Havel, V Malik, A E Mason, E Ravussin, M Rosenbaum, J A Welsh, C Allister-Price, D M Sigala, M R C Greenwood, A Astrup, R M Krauss
Calories from any food have the potential to increase risk for obesity and cardiometabolic disease because all calories can directly contribute to positive energy balance and fat gain. However, various dietary components or patterns may promote obesity and cardiometabolic disease by additional mechanisms that are not mediated solely by caloric content. Researchers explored this topic at the 2017 CrossFit Foundation Academic Conference 'Diet and Cardiometabolic Health - Beyond Calories', and this paper summarizes the presentations and follow-up discussions...
May 14, 2018: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29761101/fibromyalgia-syndrome-a-case-report-on-controlled-remission-of-symptoms-by-a-dietary-strategy
#19
Silvia Maria Lattanzio, Francesca Imbesi
A 34-year-old woman suffered from significant chronic pain, depression, non-restorative sleep, chronic fatigue, severe morning stiffness, leg cramps, irritable bowel syndrome, hypersensitivity to cold, concentration difficulties, and forgetfulness. Blood tests were negative for rheumatic disorders. The patient was diagnosed with Fibromyalgia syndrome (FMS). Due to the lack of effectiveness of pharmacological therapies in FMS, she approached a novel metabolic proposal for the symptomatic remission. Its core idea is supporting serotonin synthesis by allowing a proper absorption of tryptophan assumed with food, while avoiding, or at least minimizing the presence of interfering non-absorbed molecules, such as fructose and sorbitol...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29761051/global-opportunities-for-mariculture-development-to-promote-human-nutrition
#20
Owen R Liu, Renato Molina, Margaret Wilson, Benjamin S Halpern
An estimated two billion people worldwide currently suffer from micronutrient malnutrition, and almost one billion are calorie deficient. Providing adequate nutrition is a growing global challenge. Seafood is one of the most important sources of both protein and micronutrients for many, yet production from wild capture fisheries has stagnated. In contrast, aquaculture is the world's fastest-growing food production sector and now supplies over half of all seafood consumed globally. Mariculture, or the farming of brackish and marine species, accounts for roughly one-third of all aquaculture production and has received increasing attention as a potential supplement for wild-caught marine fisheries...
2018: PeerJ
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