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https://www.readbyqxmd.com/read/28535393/neuroscience-when-a-single-image-can-cause-a-seizure
#1
Christopher J Honey, Taufik Valiante
It has been known since classical antiquity that viewing particular images can trigger seizures in some individuals. Now we have a clue to the mechanism, as many of these images amplify 30-80 Hz rhythmic activity in the visual brain.
May 22, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28535345/natural-predominance-of-abscisic-acid-in-pongammia-pinnata-karanj-honey-contributed-to-its-strong-antimutagenicity
#2
Sudhanshu Saxena, Jyoti Tripathi, Suchandra Chatterjee, Satyendra Gautam
Various samples of raw (unprocessed) floral honey collected from different geographical locations of India were assayed for its antimutagenicity against ethyl methanesulfonate in E. coli MG1655 cells through rifampicin resistance assay. A monofloral honey ('Pongammia pinnata', local name 'Karanj') displayed maximum antimutagenicity (78.0 ± 1.7; P≤0.05). Solid phase extraction (using amberlite XAD-2 resin) followed by HPLC resulted into different peaks displaying varying antimutagenicity. Peak at retention time (Rt) 27...
May 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28535305/preservation-of-domesticated-honey-bee-hymenoptera-apidae-drone-semen
#3
M Paillard, A Rousseau, P Giovenazzo, J L Bailey
Preservation of honey bee (Apis mellifera L., Hymenoptera: Apidae) sperm, coupled with instrumental insemination, is an effective strategy to protect the species and their genetic diversity. Our overall objective is to develop a method of drone semen preservation; therefore, two experiments were conducted. Hypothesis 1 was that cryopreservation (-196 °C) of drone semen is more effective for long-term storage than at 16 °C. Our results show that after 1 yr of storage, frozen sperm viability was higher than at 16 °C, showing that cryopreservation is necessary to conserve semen...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28534467/elemental-composition-of-different-slovenian-honeys-using-k0-instrumental-neutron-activation-analysis
#4
Urška Kropf, Vekoslava Stibilj, Radojko Jaćimović, Jasna Bertoncelj, Terezija Golob, Mojca Korošec
The botanical origin of seven types of Slovenian honey was investigated by analysis of their elemental content using k0-instrumental neutron activation analysis. A total of 28 representative samples were collected from beekeepers all over Slovenia in 2 consecutive years. Nineteen of the 37 elements measured were present in amounts above their LOD. The present study suggests that the determination of only alkali elements might be sufficient for the classification of Slovenian honeys according to their botanical origin...
May 23, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28534465/mineral-content-as-a-tool-for-the-assessment-of-honey-authenticity
#5
Milica Jovetić, Jelena Trifković, Dalibor Stanković, Dragan Manojlović, Dušanka Milojković-Opsenica
The present work aims to provide a contribution to the overall investigation of European unifloral honeys with regard to authentication according to botanical and geographical origins. The mineral content of 206 monofloral honey samples of five botanical origins from six different regions in Serbia was investigated by inductively coupled plasma optical emission spectrometry. Chemometric techniques were applied for the classification and differentiation of acacia, sunflower, and linden honey according to botanical origin, as well as acacia honey samples according to regional origin...
May 23, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28533203/floral-traits-influencing-plant-attractiveness-to-three-bee-species-consequences-for-plant-reproductive-success
#6
Austin A Bauer, Murray K Clayton, Johanne Brunet
PREMISE OF THE STUDY: The ability to attract pollinators is crucial to plants that rely on insects for pollination. We contrasted the roles of floral display size and flower color in attracting three bee species and determined the relationships between plant attractiveness (number of pollinator visits) and seed set for each bee species. METHODS: We recorded pollinator visits to plants, measured plant traits, and quantified plant reproductive success. A zero-inflated Poisson regression model indicated plant traits associated with pollinator attraction...
May 21, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28532035/honey-pva-hybrid-wound-dressings-with-controlled-release-of-antibiotics-structural-physico-mechanical-and-in-vitro-biomedical-studies
#7
Javad Tavakoli, Youhong Tang
Hydrogel/honey hybrids manifest an attractive design with an exclusive therapeutic property that promotes wound healing process. The greater the concentration of honey within the formulation, the better the biomedical properties that will be achieved. However, an increase in the percentage of honey can negatively affect the physico-chemical and mechanical properties of hybrid hydrogels. The need exists, therefore, to prepare wound dressings that contain high honey density with optimal biomedical, mechanical and physicochemical properties...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28527184/polyphenols-as-possible-markers-of-botanical-origin-of-honey
#8
Uroš M Gašić, Dušanka M Milojković-Opsenica, Živoslav Lj Tešić
In recent years, the botanical and geographical origin of food has become an important topic in the context of food quality and safety, as well as consumer protection, in accordance with international standards. Finding chemical markers, especially phytochemicals, characteristic for some kind of food is the subject of interest of a significant number of researchers in the world. This paper is focused on the use of polyphenols as potential markers for the determination of botanical origin of honey. It includes a review of the polyphenols present in various honey samples and the methods for their separation and identification...
May 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28527183/analytical-methods-in-tracing-honey-authenticity
#9
Jelena Trifković, Filip Andrić, Petar Ristivojević, Etil Guzelmeric, Erdem Yesilada
Honey is a precious natural product that is marketed with a wide range of nutritional and medicinal properties. However, it is also a product subjected to frequent adulteration through mislabeling and mixing with cheaper and lower-quality honeys and various sugar syrups. In that sense, honey authentication regarding its genuine botanical and geographical origins, as well as the detection of any adulteration, is essential in order to protect consumer health and to avoid competition that could create a destabilized market...
May 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28527181/physicochemical-parameters-as-a-tool-for-the-assessment-of-origin-of-honey
#10
Kristina B Lazarević, Milica S Jovetić, Živoslav Lj Tešić
Honey is a complex mixture of various substances, and its composition depends on both botanical and geographical origin, as well as anthropogenic factors. The accurate identification of honey origin guarantees the satisfaction of consumers' needs and has an impact on the honey market value. Physicochemical parameters, some of which are used in routine analysis of honey quality, could be useful for the assessment of its origin. In this review, special attention is paid to those studies that assessed the sugar and mineral composition of honey, whether they were investigated in terms of botanical or geographical origin, or for the characterization of honey type...
May 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28527180/assessment-of-the-authenticity-of-honey
#11
Dušanka M Milojković-Opsenica, Živoslav Lj Tešić
No abstract text is available yet for this article.
May 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28524457/cyclization-of-motor-cortex-stimulation-for-neuropathic-pain-a-prospective-randomized-blinded-trial
#12
Zurab Ivanishvili, Anujan Poologaindran, Christopher R Honey
OBJECTIVES: Programming guidelines for motor cortex stimulation (MCS) in neuropathic pain requires further investigation. After optimizing voltage as a percentage of motor threshold, we evaluated the effect of cyclizing time of stimulation on pain relief for chronic neuropathic pain. METHODS: Six patients were enrolled into this trial. In a prospective, randomized, double-blinded manner, patients were programmed to receive stimulation 100, 83.3, 66.7, or 50% of the time in 30-min intervals...
May 19, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28515748/effects-of-propolis-on-warfarin-efficacy
#13
Esin Akbay, Çiğdem Özenirler, Ömür Gençay Çelemli, Ahmet Baris Durukan, Mehmet Ali Onur, Kadriye Sorkun
INTRODUCTION: Warfarin is commonly used to avoid thromboembolism, predominantly for cardiovascular pathologies. However, the consumption of several herbal products is not permitted during its use due to the associated interactions. Propolis is a popular phytotherapy product made by honey bees. The use of propolis has been dramatically increasing in recent times. AIM: To evaluate the possible interactions between propolis and warfarin in a mouse model with determination of the international normalized ratio (INR) values...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28515299/a-diverse-range-of-novel-rna-viruses-in-geographically-distinct-honey-bee-populations
#14
Emily J Remnant, Mang Shi, Gabriele Buchmann, Tjeerd Blacquière, Edward C Holmes, Madeleine Beekman, Alyson Ashe
Understanding the diversity and consequences of viruses present in honey bees is critical to maintain pollinator health and manage the spread of disease. The viral landscape of honey bees (Apis mellifera) has changed dramatically since the emergence of the parasitic mite Varroa destructor, which increased the spread of virulent variants of viruses such as Deformed wing virus. Previous genomic studies have focused on colonies suffering from Varroa and virulent viruses, which could mask other viral species present in honey bees, resulting in a distorted view of viral diversity...
May 17, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28513535/characterization-of-chinese-unifloral-honeys-based-on-proline-and-phenolic-content-as-markers-of-botanical-origin-using-multivariate-analysis
#15
Ya-Qin Wen, Jinzhen Zhang, Yi Li, Lanzhen Chen, Wen Zhao, Jinhui Zhou, Yue Jin
The phenolic and proline content were determined in honey samples of different floral origins (rapeseed, sunflower, buckwheat and Codonopsis) from five different regions of China. The phenolic and proline profile of these samples were used to construct a statistical model to distinguish honeys from different floral origins. Significant differences were identified among the studied honey samples from multivariate chemometric methods. The proline content varied among the four types of honeys, with the values decreasing in the order: buckwheat > Codonopsis > sunflower > rapeseed...
May 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28511700/a-new-easy-to-make-pectin-honey-hydrogel-enhances-wound-healing-in-rats
#16
Gessica Giusto, Cristina Vercelli, Francesco Comino, Vittorio Caramello, Massimiliano Tursi, Marco Gandini
BACKGROUND: Honey, alone or in combination, has been used for wound healing since ancient times and has reemerged as a topic of interest in the last decade. Pectin has recently been investigated for its use in various biomedical applications such as drug delivery, skin protection, and scaffolding for cells. The aim of the present study was to develop and evaluate a pectin-honey hydrogel (PHH) as a wound healing membrane and to compare this dressing to liquid honey. METHODS: Thirty-six adult male Sprague-Dawley rats were anesthetized and a 2 × 2 cm excisional wound was created on the dorsum...
May 16, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28509885/the-role-of-phytochemicals-in-the-inflammatory-phase-of-wound-healing
#17
REVIEW
Ahmed Shah, Saeid Amini-Nik
Historically, plant-based products have been the basis of medicine since before the advent of modern Western medicine. Wound dressings made of honey, curcumin and other phytochemical-rich compounds have been traditionally used. Recently, the mechanisms behind many of these traditional therapies have come to light. In this review, we show that in the context of wound healing, there is a global theme of anti-inflammatory and antioxidant phytochemicals in traditional medicine. Although promising, we discuss the limitations of using some of these phytochemicals in order to warrant more research, ideally in randomized clinical trial settings...
May 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28506082/novel-use-of-active-leptospermum-honey-for-ringed-fixator-pin-site-care-in-diabetic-charcot-deformity-patients
#18
Alexander L Lazarides, Kamran S Hamid, Michael S Kerzner
INTRODUCTION: Open reduction with external fixation (OREF) utilizing fine wire ringed fixators for correction of Charcot deformity has gained popularity over the past decade. Pin site infections are a well-documented complication of external fixation as well as a driver of escalating health care costs. We aimed to demonstrate the safety and efficacy of a novel method of pin site care utilizing active Leptospermum honey-impregnated dressings (MediHoney) in diabetic patients undergoing deformity correction with OREF...
May 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28505483/the-effects-of-ingested-aqueous-aluminum-on-floral-fidelity-and-foraging-strategy-in-honey-bees-apis-mellifera
#19
Ana M Chicas-Mosier, Bree A Cooper, Alexander M Melendez, Melina Pérez, Devrim Oskay, Charles I Abramson
Pollinator decline is of international concern because of the economic services these organisms provide. Commonly cited sources of decline are toxicants, habitat fragmentation, and parasites. Toxicant exposure can occur through uptake and distribution from plant tissues and resources such as pollen and nectar. Metals such as aluminum can be distributed to pollinators and other herbivores through this route especially in acidified or mined areas. A free-flying artificial flower patch apparatus was used to understand how two concentrations of aluminum (2mg/L and 20mg/L) may affect the learning, orientation, and foraging behaviors of honey bees (Apis mellifera) in Turkey...
May 12, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28505111/effects-of-mead-wort-heat-treatment-on-the-mead-fermentation-process-and-antioxidant-activity
#20
Sławomir Czabaj, Joanna Kawa-Rygielska, Alicja Z Kucharska, Jarosław Kliks
The effects of mead wort heat treatment on the mead fermentation process and antioxidant activity were tested. The experiment was conducted with the use of two different honeys (multiflorous and honeydew) collected from the Lower Silesia region (Poland). Heat treatment was performed with the use of a traditional technique (gently boiling), the more commonly used pasteurization, and without heat treatment (control). During the experiment fermentation dynamics were monitored using high performance liquid chromatography with refractive index detection (HPLC-RID)...
May 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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