نتایج جستجو برای: tannic acid
تعداد نتایج: 747472 فیلتر نتایج به سال:
Chronic infection with the hepatitis C virus (HCV) is a cause of cirrhosis and hepatocellular carcinoma worldwide. Although antiviral therapy has dramatically improved recently, a number of patients remain untreated and some do not clear infection with treatment. Viral entry is an essential step in initiating and maintaining chronic HCV infections. One dramatic example of this is the nearly 100...
In order to describe the transformations of tannic acid during its degradation (under aerobic and anaerobic conditions) incubations were performed. To evaluate the oxygen consumption, the tannic acid was added to 1 L of water sample from Monjolinho's reservoir (22 degrees 00'S and 47 degrees 54'W); these solutions were aerated and the dissolved oxygen was monitored for 16 days, the anaerobic pr...
There are hundreds of proteins in saliva. Although it has long been hypothesized that these proteins modulate taste by interacting with taste receptors or taste stimuli, the functional impact of these proteins on feeding remains relatively unexplored. We have developed a new technique for saliva collection that does not interfere with daily behavioral testing and allows us to explore the relati...
BACKGROUND Dentin surface contaminated with haemostatic agents can interfere with the bonding of self-adhesive resin cement. Therefore the purpose of this study was to evaluate the effect of various haemostatic agents such as Aluminium chloride, Ferric sulphate and Tannic acid on the shear bond strength of self-adhesive resin luting agent. MATERIAL AND METHODS The buccal surfaces of extracted...
Abstract Tannic acid–acetic acid is proposed as novel and green chemicals for cobalt lithium recycling from spent lithium-ion batteries through a leaching process. The synergism of both acids was documented batch continuous studies. promotes dissolution by reducing insoluble Co 3+ into soluble 2+ , while acetic critical to improve the stabilize metals in pregnant leach solution. Based on studie...
In this study we have investigated the effect of a single dose of tannic acid, administered s.c., on the nucleolar ultrastructure of hepatocytes transplanted into a syngeneic or xenogeneic host in order to evaluate the validity of our hepatocyte transplantation system as an in vivo alternative to the use of whole animals to test for species and strain differences to the effects of hepatotoxins....
BACKGROUND The presence of heavy metals in food products has become a global problem. In order to reduce the absorption of heavy metals from food we should consider substances which bind these toxic metals and are generally available and easy to apply, such as tannins. OBJECTIVES The study aimed at verifying if oral administration of tannic acid could reduce the accumulation of lead and cadmi...
We explore responsive properties of hollow multilayer shells of tannic acid assembled with a range of neutral polymers, poly(N-vinylpyrrolidone) (PVPON), poly(N-vinylcaprolactam) (PVCL) or poly(N-isopropylacrylamide) (PNIPAM). We found that properties of the nanoscale shells fabricated through hydrogen-bonded layer-by-layer (LbL) assembly can be tuned changing the interaction strength of a neut...
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