keyword
MENU ▼
Read by QxMD icon Read
search

Gums

keyword
https://www.readbyqxmd.com/read/28318895/competitive-protein-tyrosine-phosphatase-1b-ptp1b-inhibitors-prenylated-caged-xanthones-from-garcinia-hanburyi-and-their-inhibitory-mechanism
#1
Xue Fei Tan, Zia Uddin, Chanin Park, Yeong Hun Song, Minky Son, Keun Woo Lee, Ki Hun Park
Protein tyrosine phosphatase 1B (PTP1B) plays important role in diabetes, obesity and cancer. The methanol extract of the gum resin of Garcinia hanburyi (G. hanburyi) showed potent PTP1B inhibition at 10µg/ml. The active compounds were identified as prenylated caged xanthones (1-9) which inhibited PTP1B in dose-dependent manner. Carboxybutenyl group within caged motif (A ring) was found to play a critical role in enzyme inhibition such as 1-6 (IC50s=0.47-4.69µM), whereas compounds having hydroxymethylbutenyl 7 (IC50=70...
March 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28318293/yawning-and-social-styles-different-functions-in-tolerant-and-despotic-macaques-macaca-tonkeana-and-macaca-fuscata
#2
Alessandra Zannella, Roscoe Stanyon, Elisabetta Palagi
Yawning is a multifunctional behavior with a role in social communication. In Old World monkeys, the "tension yawn" is often used as a threat, allowing individuals to completely expose their canines. To explore the role of this phenomenon, we selected 2 closely related species-Japanese macaques (Macaca fuscata) and Tonkean macaques (M. tonkeana)-which differ primarily in terms of their tolerance levels. Japanese macaques are classified as despotic; Tonkean macaques are classified as tolerant. Both species live in multimale-multifemale societies, show a high level of sexual dimorphism, and have comparable yawning repertoires that include displaying a covered teeth yawn and an uncovered gums yawn...
March 20, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28317768/effect-of-xanthan-gum-on-the-release-of-strawberry-flavor-in-formulated-soy-beverage
#3
Jiao Xu, Zhiyong He, Maomao Zeng, Bingbing Li, Fang Qin, Linxiang Wang, Shengfang Wu, Jie Chen
The effects of xanthan gum on the release of strawberry flavor compounds in formulated soy protein isolate (SPI) beverage were investigated by headspace gas chromatography (GC). Seven strawberry flavor compounds (limonene, ethyl hexanoate, (Z)-3-hexenyl acetate, ethyl 2-methylbutanoate, ethyl butanoate, (Z)-3-hexen-1-ol and diacetyl) could be detected by GC and hence analyzed the gas-matrix partition coefficients (K). The release of flavor compounds was restrained in SPI and/or xanthan gum solution. The retention of (Z)-3-hexen-1-ol, limonene and diacetyl significantly changed (p<0...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317718/effect-of-coacervation-conditions-on-the-viscoelastic-properties-of-n-o-carboxymethyl-chitosan-gum-arabic-coacervates
#4
Guo-Qing Huang, Yan-Li Du, Jun-Xia Xiao, Guan-Yun Wang
The effects of coacervation acidity, phase separation temperature, ionic strength, and biopolymer ratio on the viscoelasticity of the N,O-carboxymethyl chitosan (NOCC) - gum Arabic (GA) coacervate were investigated by using coacervate yield as the indicator of electrostatic interaction strength. The strongest interaction between NOCC and GA occurred at pH 3.0, whereas the highest modulus values were found in the coacervate separated at pH 6.0. The coacervate yield did not vary with phase separation temperature in the range 4-55°C, but the coacervate viscoelasticity declined as the temperature increased from 25°C to 45°C and then peaked at 55°C...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317073/effect-of-8-weeks-prebiotics-probiotics-supplementation-on-alcohol-metabolism-and-blood-biomarkers-of-healthy-adults-a-pilot-study
#5
Christopher Irwin, Saman Khalesi, Amanda J Cox, Gary Grant, Andrew K Davey, Andrew C Bulmer, Ben Desbrow
PURPOSE: Modulating gut bacteria via regular prebiotics/probiotics consumption may improve the metabolism of acute alcohol ingestion. This study investigated the impact of 8-weeks prebiotics/probiotics supplementation on microbiome changes and responses to acute alcohol consumption. METHODS: 38 participants (21 females, 23.6 ± 3.4 kg m(-2), mean ± SD) attended the laboratory on two occasions separated by an 8-week intervention period. On each of these visits, a dose of alcohol (0...
March 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28316256/investigation-on-the-compatibility-of-xanthan-gum-and-calcium-polysulfide-and-the-rheological-properties-of-xg-solutions
#6
Dengfeng Liu, Liming Ren, Chunyu Wen, Jun Dong
The application of shear thinning xanthan gum (XG) solutions as the delivery media can solve the bypassing problem induced by heterogeneity, especially when low permeable zones in aquifer are present. A series of experiments were carried out to investigate the compatibility of XG and calcium polysulfide (CPS) aiming at chromium contamination in groundwater. In addition, rheological properties of XG solutions under subsurface conditions related to delivery were studied. Results indicated that: (1) the presence of XG could slow down reduction of hexavalent chromium by CPS, and the reaction fitted well with the second order kinetics...
March 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28315764/development-of-nanocomposite-scaffolds-based-on-tio2-doped-in-grafted-chitosan-hydroxyapatite-by-freeze-drying-method-and-evaluation-of-biocompatibility
#7
Saber Abd-Khorsand, Samaneh Saber-Samandari, Saeed Saber-Samandari
Porous three-dimensional scaffolds with potential for application as cancellous bone graft substitutes were prepared using the freeze-drying technique. Hydroxyapatite with different weight ratio were embedded in the network of poly(acrylic acid) grafted chitosan accompanied by using TiO2 as an auxiliary component to fabricate porous nanocomposite bone scaffolds. Fourier transform infrared spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction analysis and mechanical tests were carried out to characterize the prepared scaffolds...
March 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28303470/the-caries-preventive-effect-of-1-year-use-of-low-dose-xylitol-chewing-gum-a-randomized-placebo-controlled-clinical-trial-in-high-caries-risk-adults
#8
Fabio Cocco, Giovanna Carta, Maria Grazia Cagetti, Laura Strohmenger, Peter Lingström, Guglielmo Campus
OBJECTIVES: The caries preventive effect of long-term use (1 year) of low-dosage (2.5 g/die) of xylitol chewing gum in a high-caries-risk adult population was evaluated. MATERIALS AND METHODS: In this randomized clinical trial, 179 high-caries-risk adults were assigned to two experimental groups, xylitol and polyols. Caries status, salivary mutans streptococci (MS), and plaque pH were re-evaluated after 2 years from baseline in 66 xylitol and 64 polyol subjects...
March 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28302485/novel-calcified-gum-arabic-porous-nano-composite-scaffold-for-bone-tissue-regeneration
#9
M Hadavi, S Hasannia, Sh Faghihi, F Mashayekhi, H H Zadeh, S B Mostofi
The aim of this study was to investigate the biomechanical and biological properties of a nanocomposite scaffold containing both mineral and polysaccharide constituents. Hydroxyapatite nanoparticles (n-HA) was synthesized from dead abra ovata shells using wet chemical methods and was used in different ratios in concert with gum Arabic, a branched plant polysaccharide. N-HA/gum nanocomposite was fabricated with freeze-drying process and characterized by FTIR and SEM for chemical structure and morphology. Porosity was estimated using liquid substitution method...
March 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28298682/effect-of-spray-drying-on-physical-properties-of-sugarcane-juice-powder-saccharum-officinarum-l
#10
Jyoti Nishad, Cynthia J Selvan, Shabir Ahmad Mir, Sowriappan John Don Bosco
The aim of the present study was to investigate the spray drying behavior of sugarcane juice with (PSJ) and without (CSJ) citric acid the effects of different levels (10-50%) of carrier agents (maltodextrin (MD), Gum Arabic, liquid glucose and carrot fiber) at varying operating conditions of inlet and outlet temperature and feed concentration during spray drying was also studied. Spray dried powders from PSJ and CSJ were analyzed for physical properties such as wettability, cohesiveness, dispersibility, flowability, hygroscopicity, particle morphology etc...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28298678/effects-of-locust-bean-gum-on-the-structural-and-rheological-properties-of-resistant-corn-starch
#11
Raza Hussain, Ajaypal Singh, Hamed Vatankhah, Hosahalli S Ramaswamy
In this study, interactions between resistant corn starch (RS) (5% w/w) and locust bean gum (LBG) (0, 0.125, 0.25, 0.50 and 1.0% w/v) on the viscoelastic, pasting and morphological characteristics of aqueous dispersions were evaluated. Results showed that the storage modulus (G'), loss modulus (G''), and apparent viscosity values of starch/gum (RS/LBG) mixtures were enhanced with the addition of LBG, and the rheograms demonstrated a biphasic behavior. RS/LBG samples were predominantly either solid like (G' > G'') or viscous (G'' > G'), depending on the added concentration level of LBG...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28298672/optimization-low-fat-and-low-cholesterol-mayonnaise-production-by-central-composite-design
#12
H R Mozafari, E Hosseini, M Hojjatoleslamy, G Hossein Mohebbi, N Jannati
In this study, the optimized process variables for mayonnaise low in cholestrol and fat, which contained soy milk as a yolk substitute with different levels of Xanthan gum, Zodo gum, and oil, were determined by response surface methodology using a central composite design. Polynomial equation was fitted with an insignificant lack of fit factor in order to study the relationship between variables and responses including apparent viscosity, consistency coefficient, flow index, firmness, and stability of mayonnaise sauces...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28298068/gum-arabic-encapsulated-gold-nanoparticles-for-a-non-invasive-photothermal-ablation-of-lung-tumor-in-mice
#13
Amira M Gamal-Eldeen, Dina Moustafa, Sherien M El-Daly, Mona A M Abo-Zeid, Samira Saleh, Menka Khoobchandani, Kavita Katti, Ravi Shukla, Kattesh V Katti
BACKGROUND: In our previous work, we have extensively evaluated the physiochemical characteristics of Gum Arabic-encapsulated gold nanoparticles (GA-AuNPs; 15-18nm) and reported their effectiveness in stopping the tumor initiation via inhibiting the pre-neoplastic lesions in liver. OBJECTIVE: The rationale of this study is to detect the efficiency of using GA-AuNPs in photothermal application as a non-invasive technique against lung tumor. We investigated the cytotoxicity of GA-AuNPs on A549 cells, and then studied their apoptotic, anti-inflammatory, lipid peroxidation and anti-neovascular effect in in vivo model using a chemically-induced lung cancer in mice...
March 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28297838/inelastic-non-newtonian-flow-over-heterogeneously-slippery-surfaces
#14
A Sander Haase, Jeffery A Wood, Lisette M J Sprakel, Rob G H Lammertink
In this study, we investigated inelastic non-Newtonian fluid flow over heterogeneously slippery surfaces. First, we simulated the flow of aqueous xanthan gum solutions over a bubble mattress, which is a superhydrophobic surface consisting of transversely positioned no-slip walls and no-shear gas bubbles. The results reveal that for shear-thinning fluids wall slip can be increased significantly, provided that the system is operated in the shear-thinning regime. For a 0.2 wt% xanthan gum solution with a power-law index of n=0...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28297743/a-simple-headspace-gc-ms-method-for-the-quantitative-determination-of-the-release-of-the-antioxidants-butylated-hydroxyanisole-and-butylated-hydroxytoluene-from-chewing-gum
#15
Enrico Davoli, Antonio Bastone, Giancarlo Bianchi, Mario Salmona, Luisa Diomede
RATIONALE: Butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) are widely used to prevent oxidation and rancidity in foodstuffs, pharmaceutical preparations and cosmetic formulations. Although their safety has been thoroughly investigated, possible endocrine side-effects have been suggested. A useful method for the determination of BHA and BHT in foods is needed to estimate their daily intake through the diet. METHODS: We selected commercial chewing gum as a model of complex food matrix and developed a new method based on gas chromatography/mass spectrometry...
March 15, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28289606/simple-efficient-and-economical-methods-for-isolation-and-estimation-of-novel-isoflavone-using-rp-hplc
#16
Afroze Alam, Kamlesh Kumar Naik, Navneet Kumar Upadhaya, Shailendra Kumar, K L Dhar
The study was undertaken to develop a simplified procedure for the isolation of bioactive isoflavone from Iris kashmiriana, using a direct method of isolation, avoiding the use of chromatographic techniques. The compound was isolated by commercially viable procedure. The extraction of powdered drug (500 g) was done with petroleum ether (60-80) using a Soxhlet apparatus (24 h run). The petroleum ether extract (gums and resins 2.13 g) was obtained and the marc (400 g) was subjected to extraction with 95% methanol using a Soxhlet apparatus (24 h run)...
2017: MethodsX
https://www.readbyqxmd.com/read/28289382/the-hydrogen-sulfide-releasing-molecule-acetyl-deacylasadisulfide-inhibits-metastatic-melanoma
#17
Paola De Cicco, Elisabetta Panza, Chiara Armogida, Giuseppe Ercolano, Orazio Taglialatela-Scafati, Yalda Shokoohinia, Rosa Camerlingo, Giuseppe Pirozzi, Vincenzo Calderone, Giuseppe Cirino, Angela Ianaro
Melanoma is the most common form of skin cancer. Given its high mortality, the interest in the search of preventive measures, such as dietary factors, is growing significantly. In this study we tested, in vitro and in vivo, the potential anti-cancer effect of the acetyl deacylasadisulfide (ADA), a vinyl disulfide compound, isolated and purified from asafoetida a foul-smelling oleo gum-resin of dietary and medicinal relevance. ADA markedly suppressed proliferation of human melanoma cell lines by inducing apoptosis...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28286679/a-case-of-bisphosphonate-related-osteonecrosis-of-the-jaw-in-a-patient-with-subpontic-osseous-hyperplasia
#18
Chiaki Tsuji, Hiroshi Watanabe, Hidenori Nakayama, Mitsuo Goto, Kenichi Kurita
Subpontic osseous hyperplasia (SOH) is a growth of bone occurring on the edentulous ridge beneath the pontics of fixed partial dentures (FPDs). This report describes a case of bisphosphonate- (BP-) related osteonecrosis of the jaw (BRONJ) in a SOH patient followed by deciduation of the bony lesion. A 73-year-old woman visited a dental clinic after experiencing pain and swelling beneath the pontics of a FPD that had been inserted 15 years ago. The pontics were removed, but the symptoms persisted and she was referred to our hospital...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28286077/solubilisation-of-persian-gum-chemical-modification-using-acrylamide
#19
Masume Samari Khalaj, Soleiman Abbasi
Persian gum (PG), mountain almond tree (Amygdalus scoparia) exudate, is a transparent and natural edible gum which consists of soluble (SFPG, 25-30wt%) and insoluble (IFPG, 70-75wt%) fractions. Therefore, in the present study, using response surface methodology (RSM), the influence of concentration (0.64-7.36wt%), acrylamide (0.070-0.120mol), temperature (19.77-70.23°C), and time (0.32-3.68h) on solubilizing and some other properties of IFPG were investigated. Based on our findings, the highest solubility (64wt%) was achieved at the presence of 6wt% IFPG, and 0...
March 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28284934/influence-of-graphene-oxide-nanosheets-impregnation-on-properties-of-sterculia-gum-polyacrylamide-hydrogel-formed-by-radiation-induced-polymerization
#20
Baljit Singh, Baldev Singh
Present work is an attempt, to explore the potential of graphene oxide nanoplates impregnation, on the mechanical and drug delivery properties of sterculia gum-polyacrylamide composite hydrogel formed by radiation induced polymerization. These polymers were characterized by SEM, cryo-SEM, AFM, FTIR's, (13)C NMR and swelling studies. Release profile of an anticancer drug 'gemcitabine' was studied to determine the drug release mechanism and best fit kinetic model. Furthermore, some important biomedical properties of the polymers such as blood compatibility, mucoadhesion, antioxidant properties and gel strength were also studied...
March 8, 2017: International Journal of Biological Macromolecules
keyword
keyword
42329
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"