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https://www.readbyqxmd.com/read/28730309/a-simple-and-rapid-infrared-assisted-self-enzymolysis-extraction-method-for-total-flavonoid-aglycones-extraction-from-scutellariae-radix-and-mechanism-exploration
#1
Liping Wang, Haotian Duan, Jiebing Jiang, Jiakun Long, Yingjia Yu, Guiliang Chen, Gengli Duan
A new, simple, and fast infrared-assisted self enzymolysis extraction (IRASEE) approach for the extraction of total flavonoid aglycones (TFA) mainly including baicalein, wogonin, and oroxylin A from Scutellariae Radix is presented to enhance extraction yield. Extraction enzymolysis temperature, enzymolysis liquid-to-solid ratio, enzymolysis pH, enzymolysis time and infrared power, the factors affecting IRASEE procedure, were investigated in a newly designed, temperature-controlled infrared-assisted extraction (TC-IRAE) system to acquire the optimum analysis conditions...
July 20, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28728716/thoracic-trauma-injuries-evaluation-and-treatment
#2
REVIEW
Joseph J Platz, Loic Fabricant, Mitch Norotsky
Thoracic injury is common in high-energy and low-energy trauma, and is associated with significant morbidity and mortality. Evaluation requires a systematic approach prioritizing airway, respiration, and circulation. Chest injuries have the potential to progress rapidly and require prompt procedural intervention. For the diagnosis of nonemergent injuries, a careful secondary survey is essential. Although medicine and trauma management have evolved throughout the decades, the basics of thoracic trauma care have remained the same...
August 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28726968/evaluation-of-spectral-photon-counting-computed-tomography-k-edge-imaging-for-determination-of-gold-nanoparticle-biodistribution-in-vivo
#3
Salim Si-Mohamed, David P Cormode, Daniel Bar-Ness, Monica Sigovan, Pratap C Naha, Jean-Baptiste Langlois, Lara Chalabreysse, Philippe Coulon, Ira Blevis, Ewald Roessl, Klaus Erhard, Loic Boussel, Philippe Douek
Spectral photon counting computed tomography (SPCCT) is an emerging medical imaging technology. SPCCT scanners record the energy of incident photons, which allows specific detection of contrast agents due to measurement of their characteristic X-ray attenuation profiles. This approach is known as K-edge imaging. Nanoparticles formed from elements such as gold, bismuth or ytterbium have been reported as potential contrast agents for SPCCT imaging. Furthermore, gold nanoparticles have many applications in medicine, such as adjuvants for radiotherapy and photothermal ablation...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28714019/salidroside-protects-pc12-cells-from-a%C3%AE-1%C3%A2-40%C3%A2-induced-cytotoxicity-by-regulating-the-nicotinamide-phosphoribosyltransferase-signaling-pathway
#4
Xujiao Huang, Sanli Xing, Chuan Chen, Zhihua Yu, Jiulin Chen
Alzheimer's disease (AD) is the most common type of senile dementia, which often develops in elderly or presenile individuals. As one of the pathological features of AD, amyloid β‑protein (Aβ) causes energy dysmetabolism, thereby inducing cellular damage and apoptosis. Salidroside is the main active component of the traditional Chinese medicine Rhodiola. Previous studies have demonstrated that salidroside exerts a regulatory role in energy metabolism. However, the role and the mechanism of action of salidroside in AD remain unclear...
July 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713439/predicting-future-biomass-yield-in-miscanthus-using-the-carbohydrate-metabolic-profile-as-a-biomarker
#5
Anne L Maddison, Anyela Camargo-Rodriguez, Ian M Scott, Charlotte M Jones, Dafydd M O Elias, Sarah Hawkins, Alice Massey, John Clifton-Brown, Niall P McNamara, Iain S Donnison, Sarah J Purdy
In perennial energy crop breeding programmes, it can take several years before a mature yield is reached when potential new varieties can be scored. Modern plant breeding technologies have focussed on molecular markers, but for many crop species, this technology is unavailable. Therefore, prematurity predictors of harvestable yield would accelerate the release of new varieties. Metabolic biomarkers are routinely used in medicine, but they have been largely overlooked as predictive tools in plant science. We aimed to identify biomarkers of productivity in the bioenergy crop, Miscanthus, that could be used prognostically to predict future yields...
July 2017: Global Change Biology. Bioenergy
https://www.readbyqxmd.com/read/28713102/-contemporary-use-of-radiosynoviorthesis-in-chronic-polyarthrtitis
#6
Robert Zwolak, Maria Majdan
Radiosynoviorthesis is used for local treatment of recurrent joint effusions, leads to necrosis of inflamed synovium due to beta radiation energy served after intraarticular radionuclide administration. The aim of the therapy is destruction and fibrosis of abnormal, hypertrophic synovial membrane and then full recovery of its normal function after local corticosteroids and systemic modifying drugs failure. Radiosynoviorthesis is effective in different type of peripheral arthritis like rheumatoid arthritis, inflammatory spondyloarthtropaties, gout, chondrocalcinosis, pigmented villo-nodular synovitis, recurrent knee effusion after total joint replacement, idiopathic knee joint effusion, osteoarthritis and secondary prevention of intraarticular bleeding in haemophilia...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28711019/photo-catalytic-anti-bacterial-and-anti-cancer-properties-of-phyto-mediated-synthesis-of-silver-nanoparticles-from-artemisia-tournefortiana-rchb-extract
#7
Fahimeh Baghbani-Arani, Rabee Movagharnia, Alireza Sharifian, Soheil Salehi, Seyed Ataollah Sadat Shandiz
Metal nanoparticles have largely been investigated due to their potential medicinal activities. This study demonstrates the biological properties of green-synthesized silver nanoparticles (AgNPs) by using Artemisia tournefortiana Rchb ethanol extract. Instrumentations such as ultraviolet-visible spectra analysis, high-resolution transmission electron microscopy, scanning electron microscopy, energy-dispersive X-ray analysis, X-ray diffraction, and Fourier transform infrared spectroscopy were used to reveal the synthesized AgNPs...
July 6, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28709873/deregulation-of-wnt2-fzd3-%C3%AE-catenin-pathway-compromises-the-estrogen-synthesis-in-cumulus-cells-from-patients-with-polycystic-ovary-syndrome
#8
Gu-Yuan Qiao, Bing-Wei Dong, Chao-Juan Zhu, Chang-You Yan, Bi-Liang Chen
Mechanistic insight into estrogen deficiency by polycystic ovary syndrome (PCOS) remains a longstanding challenge in reproductive medicine. Recent advance suggest that Wingless-type MMTV integration site family members (WNTs), in concert with its Frizzled (FZD) receptors, regulate normal folliculogenesis, luteogenesis and ovarian steroidogenesis. However, no studies have so far investigated any causality between WNT-FZDs interactions and disrupted estrogen synthesis under certain pathological conditions. Here, we show that (i) FZD3 expression was significantly up-regulated in the cumulus cells (CCs) from PCOS patients...
July 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28702985/photobiomodulation-with-polarized-light-in-the-treatment-of-cutaneous-and-mucosal-ulcerative-lesions
#9
S E Aragona, F R Grassi, G Nardi, J Lotti, G Mereghetti, E Canavesi, E Equizi, A M Puccio, G Gianazza, T Lotti, I Morisi
In recent decades, regenerative medicine has achieved an important evolution at both a conceptual level and scientific production, which explains the current and future possibilities of therapy and daily clinical practice. The main aim of regenerative medicine is the complex system of repair/regeneration. The current literature on the subject demonstrates the advantage of visible light therapy for skin injuries and diseases with the photobiomodulation in which light at low energy levels modulates intra- and extra-cellular photoreceptors by molecular and cellular processes that can stimulate both anti-inflammatory mechanisms and cell proliferative response...
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28700259/mixed-method-study-to-investigate-models-of-australian-integrative-oncology
#10
EunJin Lim, Janette L Vardy, Byeongsang Oh, Haryana M Dhillon
OBJECTIVES: This study explored the models of services and experiences of coordinators and directors engaged in providing complementary and alternative medicine (CAM) or integrative medicine (IM) in oncology centers throughout Australia. DESIGN: Fourteen leaders of IM programs from ten systematically selected Australian oncology centers were interviewed. Participants described their center's service model. Interview transcripts were thematically analyzed to identify underlying themes...
July 12, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28693890/artemisinin-and-chinese-medicine-as-tu-science
#11
Jia-Chen Fu
The story of discovery of artemisinin highlights the diversity of scientific values across time and space. Resituating artemisinin research within a broader temporal framework allows us to understand how Chinese drugs like qinghao came to articulate a space for scientific experimentation and innovation through its embodiment of alternating clusters of meanings associated with tu and yang within scientific discourse. Tu science, which was associated with terms like native, Chinese, local, rustic, mass, and crude, articulated a radical vision of science in the service of socialist revolutionary ideals...
July 7, 2017: Endeavour
https://www.readbyqxmd.com/read/28691958/guidelines-for-the-provision-and-assessment-of-nutrition-support-therapy-in-the-pediatric-critically-ill-patient-society-of-critical-care-medicine-and-american-society-for-parenteral-and-enteral-nutrition
#12
Nilesh M Mehta, Heather E Skillman, Sharon Y Irving, Jorge A Coss-Bu, Sarah Vermilyea, Elizabeth Anne Farrington, Liam McKeever, Amber M Hall, Praveen S Goday, Carol Braunschweig
This document represents the first collaboration between two organizations, American Society of Parenteral and Enteral Nutrition and the Society of Critical Care Medicine, to describe best practices in nutrition therapy in critically ill children. The target of these guidelines is intended to be the pediatric (> 1 mo and < 18 yr) critically ill patient expected to require a length of stay greater than 2 or 3 days in a PICU admitting medical, surgical, and cardiac patients. In total, 2,032 citations were scanned for relevance...
July 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28691077/a-general-small-scale-reactor-to-enable-standardization-and-acceleration-of-photocatalytic-reactions
#13
Chi Chip Le, Michael K Wismer, Zhi-Cai Shi, Rui Zhang, Donald V Conway, Guoqing Li, Petr Vachal, Ian W Davies, David W C MacMillan
Photocatalysis for organic synthesis has experienced an exponential growth in the past 10 years. However, the variety of experimental procedures that have been reported to perform photon-based catalyst excitation has hampered the establishment of general protocols to convert visible light into chemical energy. To address this issue, we have designed an integrated photoreactor for enhanced photon capture and catalyst excitation. Moreover, the evaluation of this new reactor in eight photocatalytic transformations that are widely employed in medicinal chemistry settings has confirmed significant performance advantages of this optimized design while enabling a standardized protocol...
June 28, 2017: ACS Central Science
https://www.readbyqxmd.com/read/28686844/guidelines-for-the-provision-and-assessment-of-nutrition-support-therapy-in-the-pediatric-critically-ill-patient-society-of-critical-care-medicine-and-american-society-for-parenteral-and-enteral-nutrition
#14
Nilesh M Mehta, Heather E Skillman, Sharon Y Irving, Jorge A Coss-Bu, Sarah Vermilyea, Elizabeth Anne Farrington, Liam McKeever, Amber M Hall, Praveen S Goday, Carol Braunschweig
This document represents the first collaboration between 2 organizations-the American Society for Parenteral and Enteral Nutrition and the Society of Critical Care Medicine-to describe best practices in nutrition therapy in critically ill children. The target of these guidelines is intended to be the pediatric critically ill patient (>1 month and <18 years) expected to require a length of stay >2-3 days in a PICU admitting medical, surgical, and cardiac patients. In total, 2032 citations were scanned for relevance...
May 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28683180/multiconstituent-identification-in-root-branch-and-leaf-extracts-of-juglans-mandshurica-using-ultra-high-performance-liquid-chromatography-with-quadrupole-time-of-flight-mass-spectrometry
#15
Tian-Min Wang, Jing Liu, Tao Yi, Yan-Jun Zhai, Hui Zhang, Hu-Biao Chen, Shao-Qing Cai, Ting-Guo Kang, Zhong-Zhen Zhao
As a folk medicinal plant, Juglans mandshurica has been used for the treatment of cancer. Different organs of this plant showed anti-tumor activity in clinic and laboratory. Comparative identification of constituents in different plant organs is essential for investigation of the relationship between chemical constituents and pharmacological activities. For this aim, the roots, branches, and leaves of J. mandshurica were extracted with 50% v/v methanol and then subjected to ultra high performance liquid chromatography with quadrupole time-of-flight mass spectrometry analysis conducted under low and high energy...
July 6, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28682572/carmelo-giordano-1930-2016-a-giant-in-nephrology
#16
Natale De Santo, Carlo De Pascale, Ernesto Quarto, Malcolm E Phillips, Biagio Di Iorio
Carmelo Giordano (Carmine, Louis, Joseph Giordano) was born in Naples on August 23, 1930 in the house of Rafael and Anna Tirone He received the MD cum laude in 1954. He was Fellow and assistant to Professor Flaviano Magrassi and studied nephrology at the Peter Bent Brigham Hospital, University of Harvard in Boston, under the guidance of John P. Merrill (1958-1960). He was nominated Professor of Nephrology at the University Federico II, Naples in 1975 and Professor of Medicine at the Second University of Naples (1986-2002)...
April 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28680454/piperine-enhances-carbohydrate-fat-metabolism-in-skeletal-muscle-during-acute-exercise-in-mice
#17
Jisu Kim, Kang-Pa Lee, Dae-Won Lee, Kiwon Lim
BACKGROUND: Exercise promotes energy metabolism (e.g., metabolism of glucose and lipids) in skeletal muscles; however, reactive oxygen species are also generated during exercise. Various spices have been reported to have beneficial effects in sports medicine. Here, we investigated the effects of piperine, an active compound in black pepper, to determine its effects on metabolism during acute endurance exercise. METHODS: ICR mice (n = 18) were divided into three groups: nonexercise (CON), exercise (EX), and exercise with piperine (5 mg/kg) treatment (EP)...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28679575/cognitive-flexibility-and-undergraduate-physiology-students-increasing-advanced-knowledge-acquisition-within-an-ill-structured-domain
#18
Ashley E Rhodes, Timothy G Rozell
Cognitive flexibility is defined as the ability to assimilate previously learned information and concepts to generate novel solutions to new problems. This skill is crucial for success within ill-structured domains such as biology, physiology, and medicine, where many concepts are simultaneously required for understanding a complex problem, yet the problem consists of patterns or combinations of concepts that are not consistently used or needed across all examples. To succeed within ill-structured domains, a student must possess a certain level of cognitive flexibility: rigid thought processes and prepackaged informational retrieval schemes relying on rote memorization will not suffice...
September 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/28674514/aspects-on-the-physiological-and-biochemical-foundations-of-neurocritical-care
#19
REVIEW
Carl-Henrik Nordström, Lars-Owe Koskinen, Magnus Olivecrona
Neurocritical care (NCC) is a branch of intensive care medicine characterized by specific physiological and biochemical monitoring techniques necessary for identifying cerebral adverse events and for evaluating specific therapies. Information is primarily obtained from physiological variables related to intracranial pressure (ICP) and cerebral blood flow (CBF) and from physiological and biochemical variables related to cerebral energy metabolism. Non-surgical therapies developed for treating increased ICP are based on knowledge regarding transport of water across the intact and injured blood-brain barrier (BBB) and the regulation of CBF...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28671635/osteoprotective-effect-of-radix-scutellariae-in-female-hindlimb-suspended-sprague-dawley-rats-and-the-osteogenic-differentiation-effect-of-its-major-constituent
#20
Guangwei Zhang, Chenrui Li, Yinbo Niu, Qi Yu, Yulong Chen, Enqi Liu
A number of medicinal herbs have demonstrated therapeutic effects for the prevention and treatment of disuse-induced osteoporosis. As a common ingredient in proprietary traditional Chinese medicines, the anti-osteoporosis effects of Radix Scutellariae extract (RSE, 50 mg/kg/day) were evaluated in a hindlimb suspended rat model. Bone mineral density (BMD) was measured by dual-energy X-ray absorptiometry, and the micro-architecture observed by MicroCT assay with bone biomechanical properties evaluated by a three-point bending test...
July 3, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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