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https://www.readbyqxmd.com/read/28922142/reduced-amputation-rate-with-isovolemic-hemodilution-in-critical-limb-ischemia-patients
#1
Doosang Kim, Daniel J Cho, Young I Cho
AIMS: Critical limb ischemia (CLI) patients are characterized by intractable pain in spite of medication, non-healing ulcers, and gangrene. The objective of this study was to investigate whether or not isovolemic hemodilution treatment can reduce the rate of major amputations in CLI. METHODS: 28 patients were studied who had tissue loss on Rutherford Grade III, Category 5 or 6. The subjects were divided into two arms: standard-of-care, conventional therapy (CT) (n = 15) as a control group and hemodilution therapy (HT) (n = 13) as a study group...
September 11, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28917847/release-of-polyphenols-from-starch-chitosan-based-films-containing-thyme-extract
#2
Emma Talón, Kata T Trifkovic, María Vargas, Amparo Chiralt, Chelo González-Martínez
The release kinetics of thyme extract polyphenols (TE) from chitosan (CH), pea starch (S) and CH:S blend films in different solvents was evaluated, as well as their antioxidant activity in each release media. Pure starch films showed the fastest delivery rate and the highest delivery ratio of polyphenols, although the corresponding release media exhibited the lowest antioxidant capacity. TE provided CH based films with remarkable antioxidant activity, despite the lower polyphenol release obtained in all solvents, due to the strong polyphenols-chitosan interactions...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28867687/rapid-exacerbation-of-renal-function-after-administration-of-hydroxyethyl-starch-in-a-dog
#3
Junwoo Bae, Mahmoud Soliman, Hyunwoo Kim, Seongwoo Kang, Woosun Kim, Soomin Ahn, Kyoungoh Cho, Jihye Choi, Suhee Kim, Jinho Park, Sangki Kim, Yoonjung DO, Jaegyu Yoo, Dohyeon Yu
Hydroxyethyl starches (HES) are commonly used synthetic colloidal solution in veterinary medicine. Despite of possible adverse effect to kidney injury in human, there is no report about nephrotoxic effects of HES in dogs. HES was administered to a Golden retriever (4-year-old, intact male) with ascites in order to increase plasma osmolality. Initially, the dog was mild azotemic, however, kidney function was rapidly deteriorated after several days of HES administration. Finally, histopathological examination revealed remarkable osmotic nephrosis...
September 2, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28862828/smart-h2o2-responsive-drug-delivery-system-made-by-halloysite-nanotubes-and-carbohydrate-polymers
#4
Feng Liu, Libin Bai, Hailei Zhang, Hongzan Song, Liandong Hu, Yonggang Wu, Xinwu Ba
A novel chemical hydrogel was facilely achieved by coupling 1,4-phenylenebisdiboronic acid modified halloysite nanotubes (HNTs-BO) with compressible starch. The modified halloysite nanotubes (HNTs) and prepared hydrogel were characterized by solid-state nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and transmission electron microscope (TEM). The linkage of B-C in the hydrogel can be degraded into B-OH and C-OH units in the presence of H2O2 and result in the degradation of the chemical hydrogel...
September 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28862347/effects-of-hydroxyethyl-starch-130-0-4-on-serum-creatinine-concentration-and-development-of-acute-kidney-injury-in-nonazotemic-cats
#5
N E Sigrist, N Kälin, A Dreyfus
BACKGROUND: Hydroxyethyl-starch (HES) solutions might have renal adverse effects in humans and dogs. OBJECTIVE: To determine if administration of 6% HES-130/0.4 is associated with an increase in serum creatinine concentration and development of acute kidney injury (AKI) in nonazotemic cats. ANIMALS: A total of 62 critically ill cats; 26 HES exposed and 36 unexposed. METHODS: Retrospective cohort study (2012-2015). Serum creatinine concentrations were recorded and changes in serum creatinine concentrations before exposure (baseline) and 2-10 and 11-90 days, respectively, were determined...
September 1, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28853210/modulation-of-starch-digestibility-in-breakfast-cereals-consumed-by-subjects-with-metabolic-risk-impact-on-markers-of-oxidative-stress-and-inflammation-during-fasting-and-the-postprandial-period
#6
Stéphanie Lambert-Porcheron, Sylvie Normand, Emilie Blond, Monique Sothier, Hubert Roth, Alexandra Meynier, Sophie Vinoy, Martine Laville, Julie-Anne Nazare
SCOPE: Decreasing postprandial glycaemic excursions may have a beneficial effect on inflammatory and oxidative stress profiles. In this study, we investigated the impact of carbohydrate digestibility modulation per se, as a means of reducing the glycaemic response, on metabolic and inflammatory responses in subjects with metabolic risk factors. METHODS AND RESULTS: Twenty healthy subjects with metabolic risk consumed a cereal product either high in Slowly Digestible Starch (HSDS) or low in SDS (LSDS) at breakfast daily for 3 weeks, in a cross-over design...
August 29, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28837851/photo-producible-and-photo-degradable-starch-tio2-bionanocomposite-as-a-food-packaging-material-development-and-characterization
#7
Vahid Goudarzi, Iman Shahabi-Ghahfarrokhi
In current study, starch/TiO2 bionanocomposites were produced by photochemical reactions as a biodegradable food packaging material. Physical, mechanical, thermal and water-vapor permeability properties were investigated. Then, the photo-degradation properties of nanocomposite films were studied. This is the first report of the photo-producible and photo-degradable bionanocomposite as a food packaging material. Film-forming solutions were exposed to ultraviolet A (UV-A) for different times. Our results showed that UV-A irradiation increased the hydrophobicity of starch films...
August 21, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28836380/comparison-of-human-umbilical-cord-blood-processing-with-or-without-hydroxyethyl-starch
#8
Milad Souri, Mahin Nikougoftar Zarif, Mahboobeh Rasouli, Khadijeh Golzadeh, Mozhdeh Nakhlestani Hagh, Nasim Ezzati, Kamran Atarodi
BACKGROUND: Umbilical cord blood (UCB) processing with hydroxyethyl starch (HES) is the most common protocol in the cord blood banks. The quality of UCB volume reduction was guaranteed by minimum manipulation of cord blood samples in the closed system. This study aimed to analyze and compare cell recovery and viability of UCB processed using the Sepax automated system in the presence and absence of HES. STUDY DESIGN AND METHODS: Thirty UCB bags with a total nucleated cell (TNC) count of more than 2...
August 23, 2017: Transfusion
https://www.readbyqxmd.com/read/28822282/a-two-step-optimization-strategy-for-2nd-generation-ethanol-production-using-softwood-hemicellulosic-hydrolysate-as-fermentation-substrate
#9
Iulian-Zoltan Boboescu, Malorie Gélinas, Jean-Baptiste Beigbeder, Jean-Michel Lavoie
Ethanol production using waste biomass represents a very attractive approach. However, there are considerable challenges preventing a wide distribution of these novel technologies. Thus, a fractional-factorial screening of process variables and Saccharomyces cerevisiae yeast inoculum conditions was performed using a synthetic fermentation media. Subsequently, a response-surface methodology was developed for maximizing ethanol yields using a hemicellulosic solution generated through the chemical hydrolysis of steam treatment broth obtained from residual softwood biomass...
November 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28819905/adsorption-properties-of-kaolinite-based-nanocomposites-for-fe-and-mn-pollutants-from-aqueous-solutions-and-raw-ground-water-kinetics-and-equilibrium-studies
#10
Mohamed Shaban, Mohamed E M Hassouna, Fadya M Nasief, Mostafa R AbuKhadra
Raw kaolinite was used in the synthesis of metakaolinite/carbon nanotubes (K/CNTs) and kaolinite/starch (K/starch) nanocomposites. Raw kaolinite and the synthetic composites were characterized using XRD, SEM, and TEM techniques. The synthetic composites were used as adsorbents for Fe and Mn ions from aqueous solutions and natural underground water. The adsorption by the both composites is highly pH dependent and achieves high efficiency within the neutral pH range. The experimental adsorption data for the uptake of Fe and Mn ions by K/CNTs were found to be well represented by the pseudo-second-order kinetic model rather than the intra-particle diffusion model or Elovich model...
August 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28815811/study-of-the-effects-of-spray-drying-in-whey-starch-on-the-probiotic-capacity-of-lactobacillus-rhamnosus-64-in-the-gut-of-mice
#11
L Lavari, P Burns, R Páez, J Reinheimer, G Vinderola
AIMS: To evaluate the effects of spray drying of Lactobacillus rhamnosus 64 on its capacity to modulate the gut immune response and on the attenuation of TNBS-induced colitis in mice. METHODS AND RESULTS: Lactobacillus rhamnosus 64 was spray dried in cheese whey-starch solution and administered to mice for 3, 6 or 10 consecutive days. Peritoneal macrophage phagocytic activity, secretory IgA levels in the small intestinal fluid and TNFα, IFNγ, IL-10, IL-6 and IL-2 levels in homogenates of the small and large intestine were determined...
August 17, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28790091/-independent-reanalysis-of-landmark-starch-solutions-trial-was-published-by-original-authors
#12
(no author information available yet)
No abstract text is available yet for this article.
August 8, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28777449/synthesis-of-supermacroporous-cryogel-for-bioreactors-continuous-starch-hydrolysis
#13
Ederson Paulo Xavier Guilherme, Jocilane Pereira de Oliveira, Lorendane Millena de Carvalho, Igor Viana Brandi, Sérgio Henrique Sousa Santos, Gleidson Giordano Pinto de Carvalho, Junio Cota, Bruna Mara Aparecida de Carvalho
A bioreactor was built by means of immobilizing alpha-amylase from Aspergillus oryzae by encapsulation, through cryopolymerization of acrylamide monomers for the continuous starch hydrolysis. The starch hydrolysis was evaluated regarding pH, the concentration of immobilized amylase on cryogel, the concentration of starch solution and temperature. The maximum value for starch hydrolysis was achieved at pH 5.0, concentration of immobilized enzyme 111.44 mg amylase /gcryogel , concentration of starch solution 45 g/L and temperature of 35°C...
August 4, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28774488/crystalloid-versus-colloid-fluids-for-reduction-of-postoperative-ileus-after-abdominal-operation-under-combined-general-and-epidural-anesthesia
#14
Mohammad Reza Ghodraty, Faranak Rokhtabnak, Hossein Reza Dehghan, Alireza Pournajafian, Masoud Baghaee Vaji, Zahra Sadat Koleini, Jahan Porhomayon, Nader D Nader
BACKGROUND: The main objective of this study was to compare the effect of perioperative administration of crystalloid versus colloid solutions and its impact on reversal of ileus after resection with primary anastomosis of intestine. We hypothesized that inclusion of colloids will improve the return of intestinal motility. METHODS: In a double-blinded clinical trial, 91 the American Society of Anesthesiologists I to III patients undergoing abdominal operation for resection with anastomosis of small or large intestine were randomized to receive either lactated Ringer solution crystalloid group or 6% hydroxyethyl starch colloid group to replace intraoperative fluid loss (blood loss + third space)...
July 31, 2017: Surgery
https://www.readbyqxmd.com/read/28764009/the-chitosan-affects-severely-the-carbon-metabolism-in-mango-mangifera-indica-l-cv-palmer-fruit-during-storage
#15
Gláucia Michelle Cosme Silva, Willian Batista Silva, David B Medeiros, Acácio Rodrigues Salvador, Maria Helena Menezes Cordeiro, Natália Martins da Silva, Diederson Bortolini Santana, Gisele Polete Mizobutsi
Mango is a highly perishable fruit with a short post-harvest time due to the intense metabolic activity after harvesting. In attempt to evaluate the effects of chitosan in mango fruits, it was treated with 0%, 1%, 2% or 3% of chitosan solutions, placed into plastic trays, and stored at room temperature. Changes in physical and chemical parameters were evaluated. Chitosan delayed the climacteric peak, water loss and firmness. Further, few changes in soluble solid content, titratable acidity, pH of the pulp as well as in sugar content and decreased starch degradation were observed...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28751902/overexpression-of-sbsi-1-a-nuclear-protein-from-salicornia-brachiata-confers-drought-and-salt-stress-tolerance-and-maintains-photosynthetic-efficiency-in-transgenic-tobacco
#16
Jyoti Kumari, Pushpika Udawat, Ashish K Dubey, Md Intesaful Haque, Mangal S Rathore, Bhavanath Jha
A novel Salicornia brachiata Salt Inducible (SbSI-1) gene was isolated and overexpressed in tobacco for in planta functional validation subjected to drought and salt stress. SbSI-1 is a nuclear protein. The transgenic tobacco overexpressing SbSI-1 gene exhibited better seed germination, growth performances, pigment contents, cell viability, starch accumulation, and tolerance index under drought and salt stress. Overexpression of SbSI-1 gene alleviated the build-up of reactive oxygen species (ROS) and curtailed the ROS-induced oxidative damages thus improved the physiological health of transgenic tobacco under stressed conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28745283/fabrication-of-biopolymer-based-nanocomposite-wound-dressing-evaluation-of-wound-healing-properties-and-wound-microbial-load
#17
Ali Es-Haghi, Mohammad Mashreghi, Mahere Rezazade Bazaz, Masoud Homayouni-Tabrizi, Majid Darroudi
The aim of this study is to introduce natural-based polymers, chitosan and starch, to design a remedial nanocomposite, comprising of cerium oxide nanoparticles and silver nanoparticles, to investigate their effects in accelerating wound healing and in wound microbial load. Cerium oxide nanoparticles synthesized in starch solution added to the colloidal dispersion of synthesized silver nanoparticles in chitosan to make a three-component nanomaterial. Mice were anaesthetized and two parallel full-thickness round wounds were excised under aseptic conditions with the help of sterile dermal biopsy punch...
August 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28739387/effect-of-cortex-mori-on-pharmacokinetic-profiles-of-main-isoflavonoids-from-pueraria-lobata-in-rat-plasma
#18
Bingxin Xiao, Zengxian Sun, Shu Yang Sun, Jie Dong, Yanli Li, Shan Gao, Jie Pang, Qi Chang
ETHNOPHARMACOLOGICAL RELEVANCE: Radix pueraria (the root of pueraria lobata (Wild.) Ohwi.), which contains a class of isoflavonoids as the main active components, as well as cortex mori (the root bark of Morus alba L), which contains abundant active alkaloids, have been employed for the treatment of diabetes in traditional Chinese medicine for centuries. In previous studies, pharmacodynamic synergistic reactions have been observed in compatible application of pueraria lobata isoflavonoids extracts (PLF) and cortex mori alkaloids extracts (CME) for inhibiting α-glycosidase activity...
July 21, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28735452/characterization-of-polymeric-substance-classes-in-cereal-based-beverages-using-asymmetrical-flow-field-flow-fractionation-with-a-multi-detection-system
#19
Georg Krebs, Thomas Becker, Martina Gastl
Cereal-based beverages contain a complex mixture of various polymeric macromolecules including polysaccharides, peptides, and polyphenols. The molar mass of polymers and their degradation products affect different technological and especially sensory parameters of beverages. Asymmetrical flow field-flow fractionation (AF4) coupled with multi-angle light scattering (MALS) and refractive index detection (dRI) or UV detection (UV) is a technique for structure and molar mass distribution analysis of macromolecules commonly used for pure compound solutions...
July 22, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28733454/-independent-reanalysis-of-landmark-starch-solutions-trial-was-published-by-original-authors
#20
Peter Doshi
No abstract text is available yet for this article.
July 21, 2017: BMJ: British Medical Journal
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