Showing 1-30 of 83 results for "

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Suna Choi et al.
Journal of controlled release : official journal of the Controlled Release Society, 131(1), 70-76 (2008-08-12)
One of the most important requirements for non-viral gene delivery systems is the ability to mediate high levels of gene expression with low toxicity. After the DNA/vector complexes are taken up by cells through endocytosis, DNA is typically contained within...
Arquimedes Paixão de Santana-Filho et al.
Applied biochemistry and biotechnology, 175(2), 988-995 (2014-10-30)
We studied the production of rhamnolipids by Pseudomonas aeruginosa UFPEDA 614 in submerged culture, using glycerol as the carbon source. A rhamnolipid yield of 15.9 g/L was obtained with 40 g/L glycerol and 5 g/L sodium nitrate as nitrogen source...
M Govindaraj et al.
Environmental technology, 34(1-4), 503-511 (2013-03-28)
Electrochemical oxidation of bisphenol-A (BPA) from aqueous solution using graphite electrodes has been investigated. The effect of the types and concentration of supporting electrolytes, initial pH and applied current density on the performance of the process were examined. During electrolysis...
Yi-Li Wang et al.
Journal of ethnopharmacology, 162, 168-175 (2015-01-13)
Celastrol, a quinone methide extracted from the root of Tripterygium wilfordii Hook, possesses anti-oxidant and anti-inflammatory effects. Tripterygium wilfordii Hook is officially listed in the Chinese Pharmacopoeia and is used traditionally against rheumatoid arthritis, ankylosing spondylitis, and cancer. Furthermore, the...
Sukhwan Yoon et al.
Applied and environmental microbiology, 81(10), 3510-3517 (2015-03-15)
Shewanella loihica strain PV-4 harbors both a functional denitrification (NO3 (-)→N2) and a respiratory ammonification (NO3 (-)→NH4 (+)) pathway. Batch and chemostat experiments revealed that NO2 (-) affects pathway selection and the formation of reduced products. Strain PV-4 cells grown...
Peigao Duan et al.
Bioresource technology, 186, 58-66 (2015-03-25)
This study presents experimental results that compare the use of hydrothermal liquefaction (HTL), alcoholysis (Al), pyrolysis (Py) and hydropyrolysis (HPy) for the production of bio-oil from a microalga (Chlorella pyrenoidosa) and the catalytic hydrothermal upgrading of crude bio-oils produced by...
Vikram Kumar et al.
Bioresource technology, 200, 770-779 (2015-11-18)
Synchronized growth and neutral lipid accumulation with high lipid productivity under mixotrophic growth of the strain Chlorella sorokiniana FC6 IITG was achieved via manipulation of substrates feeding mode and supplementation of lipid elicitors in the growth medium. Screening and optimization...
Shuyan Yu et al.
Scientific reports, 5, 16369-16369 (2015-11-11)
Carboxylic acid functionalized graphene oxide-copper (II) sulfide nanoparticle composite (GO-COOH-CuS) was prepared from carboxylated graphene oxide and copper precursor in dimethyl sulfoxide (DMSO) by a facile synthesis process at room temperature. The high-effective combination, the interaction between GO-COOH sheets and...
Md Mahbubur Rahman et al.
BMC research notes, 8, 621-621 (2015-11-01)
In humans, many diseases are associated with the accumulation of free radicals. Antioxidants can scavenge free radicals and minimize their impact. Therefore, the search for naturally occurring antioxidants of plant origin is imperative. Here, we aimed to investigate the antioxidant...
V S Kuzenkov et al.
Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova, 112(12 Pt 2), 35-39 (2013-02-08)
Effects of nitrates NaNO(3), KNO(3), Mg(NO(3)) 2 on animals (Wistar rats) were studied on the basis of the experimental model of ischemic stroke induced by the occlusion of two carotid arteries. The animals were divided into two groups: the main...
Juan Chen et al.
Applied spectroscopy, 69(11), 1293-1302 (2015-12-10)
A fluorescence quenching model using copper(II) ion (Cu(2+)) ion selective electrode (Cu-ISE) is developed. It uses parallel factor analysis (PARAFAC) to model fluorescence excitation-emission matrices (EEMs) of humic acid (HA) samples titrated with Cu(2+) to resolve fluorescence response of fluorescent...
Xin Jing et al.
Materials science & engineering. C, Materials for biological applications, 49, 40-50 (2015-02-18)
Fabrication of small diameter vascular grafts plays an important role in vascular tissue engineering. In this study, thermoplastic polyurethane (TPU)/graphene oxide (GO) scaffolds were fabricated via electrospinning at different GO contents as potential candidates for small diameter vascular grafts. In...
Suat Doganci et al.
Advances in clinical and experimental medicine : official organ Wroclaw Medical University, 21(6), 713-726 (2013-03-05)
The present study was designed to investigate the cardioprotective effect of sodium nitrite (NaNO2) and sodium nitrate (NaNO3) against myocardial ischemia-reperfusion (I/R) injury in a pig regional ischemia model. Eighteen pigs were randomly divided into three groups as control (Group...
T N Bogatyrenko et al.
Voprosy onkologii, 59(1), 94-98 (2013-07-03)
It has been showed that the introduction of nitrocompounds (as nitic oxide donors) in to the compositions of cyclophosphamide and hydroxamic acids for curing animals having leukemia P-388 increased duration of life by 290%. Thereby 40% of animals have recovered....
Thierry Métayé et al.
Journal of nuclear medicine technology, 40(3), 187-193 (2012-08-09)
A high radiochemical purity (RCP) is recommended for radiopharmaceutical compounds used in the clinical practice of nuclear medicine. However, some preparations of (99m)Tc-sestamibi contain excess impurities (>6%). To understand the origin of these impurities, we investigated the effect of sodium...
Arseto Y Bagastyo et al.
Water research, 47(1), 242-250 (2012-11-10)
Reverse osmosis concentrate from wastewater reclamation contains biorefractory trace organic contaminants that may pose environmental or health hazard. Due to its high conductivity, electrochemical oxidation of brine requires low voltage which is energetically favourable. However, the presence of chloride ions...
Rajendiran Rajesh et al.
Physical chemistry chemical physics : PCCP, 17(17), 11329-11340 (2015-04-08)
Herein we report the covalent grafting of chitosan on graphene oxide (GO) followed by a simple approach for anchoring silver (AgNPs) and gold (AuNPs) nanoparticles onto a chitosan grafted graphene oxide surface by a NaBH4 reduction method. Catalytic activity of...
Oluwasesan Adegoke et al.
Talanta, 146, 780-788 (2015-12-24)
Environmental pollutants, such as the polycyclic aromatic hydrocarbons (PAHs), become widely distributed in the environment after emission from a range of sources, and they have potential biological effects, including toxicity and carcinogenity. In this work, we have demonstrated the analytical...
Rukhsana Gul et al.
European journal of medicinal chemistry, 85, 438-449 (2014-08-12)
Some novel ferrocenyl guanidines 1-8 were synthesized and characterized by different spectroscopic methods, elemental analysis and single crystal X-rays diffraction techniques. The crystallographic studies revealed that the existence of the strong non-bonding interactions facilitate these molecules to interact with biological...
Y A Attia et al.
Animal : an international journal of animal bioscience, 7(4), 591-601 (2012-11-28)
Forty-two New Zealand White male rabbits were housed individually in wire cages and randomly distributed among six experimental groups of seven rabbits each, during 16 to 61 weeks of age. There were three main nitrate groups: 0 (tap water), 350...
Shyamal C Bir et al.
Diabetes, 63(1), 270-281 (2013-09-07)
Nitrite anion has been demonstrated to be a prodrug of nitric oxide (NO) with positive effects on tissue ischemia/reperfusion injury, cytoprotection, and vasodilation. However, effects of nitrite anion therapy for ischemic tissue vascular remodeling during diabetes remain unknown. We examined...
Ariadni C Loutsidou et al.
Acta biologica Hungarica, 63(4), 483-489 (2012-11-09)
The toxicity, in terms of changes in the DNA content, of two food preservatives, sodium nitrate and sodium benzoate was studied on the protozoan Tetrahymena pyriformis using DNA image analysis technology. For this purpose, selected doses of both food additives...
Chenglu Liu et al.
Journal of nanoscience and nanotechnology, 12(1), 151-158 (2012-04-25)
Eu3+ and Dy(3+)-doped YVO4 nanocrystallites were successfully prepared at 400 degrees C in equal moles of NaNO3 and KNO3 molten salts. X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, transmission electronic microscopy (TEM), photoluminescence (PL) spectrum and lifetime were used...
Nayara Cristina Perez de Albuquerque et al.
Journal of pharmaceutical and biomedical analysis, 109, 192-201 (2015-03-18)
Zopiclone (ZO) is a chiral drug that undergoes extensive metabolism to N-desmethylzopiclone (N-Des-ZO) and zopiclone-N-oxide (N-Ox-ZO). Pharmacological studies have shown (S)-N-Des-ZO metabolite presents anxiolytic activity and a patent for this metabolite was requested for anxiety treatment and related disorders. In...
Amal Kamal Abdel-Aziz et al.
Basic & clinical pharmacology & toxicology, 116(1), 37-46 (2014-06-17)
Imatinib is a principal therapeutic agent for targeting colorectal tumours. However, mono-targeting by imatinib does not always achieve complete cancer eradication. Selenite, a well-known chemopreventive agent, is commonly used in cancer patients. In this study, we aimed to explore whether...
Abhinav Sharma et al.
ACS omega, 5(8), 3924-3931 (2020-03-10)
Acute myocardial infarction (AMI), also recognized as a "heart attack," is one leading cause of death globally, and cardiac myoglobin (cMb), an important cardiac biomarker, is used for the early assessment of AMI. This paper presents an ultrasensitive, label-free electrochemical...
Quanping Wu et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(4), 843-849 (2012-07-07)
A new bifunctionalized TiO(2) film containing a dye-sensitized region and a degradation region was described. A similar structure of dye-sensitized solar cell (DSSC) was fabricated in the dye-sensitized region to accomplish separation of electrons from positive charges, and separation of...
Nagappanpillai Adarsh et al.
Analytical chemistry, 86(18), 9335-9342 (2014-08-26)
With an objective to develop optical probes for biologically important anions and neutral molecules, we synthesized three novel NIR absorbing aza-BODIPY derivatives, 3a-3c, and have systematically tuned their photophysical properties by changing the peripheral substitution. A profound red-shift was observed...
Chloroquine synergizes sunitinib cytotoxicity via modulating autophagic, apoptotic and angiogenic machineries.
Abdel-Aziz AK, Shouman S, El-Demerdash E, et al.
Chemico-Biological Interactions, 217, 28-40 (2014)
Jun-Ying Yu et al.
The journal of physical chemistry. B, 116(41), 12581-12589 (2012-09-26)
Ion association ratios as a function of concentration were estimated in single NaNO(3) droplets (5-60 μm) on a polytetrafluoroethylene (PTFE) substrate with molar water-to-solute ratios (WSRs) of 0.8-28 and bulk NaNO(3) solutions with WSRs of 35-200 by combining micro-Raman spectroscopy...