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Articles 1 - 15 of 15
Full-Text Articles in Life Sciences
Foliar Application Of Graphene Oxide, Nano-Fe, And Selenium Mitigates Salinity Depression On Ocimum Basilicum, Lamia Vojodi Mehrabani, Mohammad Bagher Hassanpouraghdam, Farzad Rasouli, Zühal Okcu, Romina Alina Marc
Foliar Application Of Graphene Oxide, Nano-Fe, And Selenium Mitigates Salinity Depression On Ocimum Basilicum, Lamia Vojodi Mehrabani, Mohammad Bagher Hassanpouraghdam, Farzad Rasouli, Zühal Okcu, Romina Alina Marc
Turkish Journal of Agriculture and Forestry
An experiment was conducted to investigate the effects of salinity stress and foliar applications of graphene oxide, nano-Fe, and selenium on basil’s growth and physiological responses. The results revealed that the treatments affected plant dry weight, essential oil, and malondialdehyde content, relative water content as well as hydrogen peroxide, proline, sodium, iron, and phosphorus content, and sodium to potassium ratio. The highest plant dry weight and essential oil content were recorded under no-salinity and 50 mM salinity × iron nanoparticle foliar use, while 100 mM salinity stress with no foliar spraying increased the levels of malondialdehyde, sodium content, and sodium-to-potassium …
C60 Hydrofullerene Induced Autophagy And Ameliorated Gfap In H2o2 Treated Human Malignant Glioblastoma U-373 Cell Line, Aryan M. Faraj, Can A. Agca, Victor S. Nedzvetsky, Artem A. Tykhomyrov
C60 Hydrofullerene Induced Autophagy And Ameliorated Gfap In H2o2 Treated Human Malignant Glioblastoma U-373 Cell Line, Aryan M. Faraj, Can A. Agca, Victor S. Nedzvetsky, Artem A. Tykhomyrov
Karbala International Journal of Modern Science
Glioblastoma is one of the most combative astrocytoma that is resistant to chemotherapy and radiotherapy. This resistance makes it very difficult to treat. However, researches have shown that nanoparticles especially C60 hydrofullerene have antioxidant and anticancer activity. The effect of C60 hydrofullerene in cancer has been extensively studied; however, the potential regulation of autophagy and modulation of the Glial Fibrillary Acidic Protein (GFAP) gene has not been addressed in glioblastomas. Glioblastoma U-373 cell was treated with 0.5 µM of C60 hydrofullerene and/or 1 mM of hydrogen peroxide (H2O2) for 24 hours. This study demonstrated that C60 hydrofullerene and H2O2 significantly …
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Polytechnic Journal
Aqueous carboxylic acids (CA) are generally used as attractive catalytic extractants in the field of desulfurization of petroleum products. In the present study, a triple system consisting of CA-ferric chloride-hydrogen peroxide has been used for the removal of aromatic S-compounds from partially hydrotreated diesel by liquid−liquid oxidative-extraction. The influence of various operating parameters affecting the oxidative desulfurization was experimentally investigated. Formic acid (HCOOH), acetic acid (CH3COOH), and propanoic acid (CH3CH2COOH) as aqueous solutions with hydrogen peroxide and iron(III) chloride (FeCl3) as oxidant and catalytic agent, respectively, were used. All experiments were carried out at 55°C with different oxidant to sulfur …
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Polytechnic Journal
Aqueous carboxylic acids (CA) are generally used as attractive catalytic extractants in the field of desulfurization of petroleum products. In the present study, a triple system consisting of CA-ferric chloride-hydrogen peroxide has been used for the removal of aromatic S-compounds from partially hydrotreated diesel by liquid−liquid oxidative-extraction. The influence of various operating parameters affecting the oxidative desulfurization was experimentally investigated. Formic acid (HCOOH), acetic acid (CH3COOH), and propanoic acid (CH3CH2COOH) as aqueous solutions with hydrogen peroxide and iron(III) chloride (FeCl3) as oxidant and catalytic agent, respectively, were used. All experiments were carried out at 55°C with different oxidant to sulfur …
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Polytechnic Journal
Aqueous carboxylic acids (CA) are generally used as attractive catalytic extractants in the field of desulfurization of petroleum products. In the present study, a triple system consisting of CA-ferric chloride-hydrogen peroxide has been used for the removal of aromatic S-compounds from partially hydrotreated diesel by liquid−liquid oxidative-extraction. The influence of various operating parameters affecting the oxidative desulfurization was experimentally investigated. Formic acid (HCOOH), acetic acid (CH3COOH), and propanoic acid (CH3CH2COOH) as aqueous solutions with hydrogen peroxide and iron(III) chloride (FeCl3) as oxidant and catalytic agent, respectively, were used. All experiments were carried out at 55°C with different oxidant to sulfur …
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Oxidative Desulfurization Of Diesel Fuel Using Three Kinds Of Carboxylic Acids Supported By Iron(Iii) Chloride, Jalil H. Kareem
Polytechnic Journal
Aqueous carboxylic acids (CA) are generally used as attractive catalytic extractants in the field of desulfurization of petroleum products. In the present study, a triple system consisting of CA-ferric chloride-hydrogen peroxide has been used for the removal of aromatic S-compounds from partially hydrotreated diesel by liquid−liquid oxidative-extraction. The influence of various operating parameters affecting the oxidative desulfurization was experimentally investigated. Formic acid (HCOOH), acetic acid (CH3COOH), and propanoic acid (CH3CH2COOH) as aqueous solutions with hydrogen peroxide and iron(III) chloride (FeCl3) as oxidant and catalytic agent, respectively, were used. All experiments were carried out at 55°C with different oxidant to sulfur …
The Extraordinary Design Of The Bombardier Beetle: A Classic Example Of Biomimetics, Andy C. Mcintosh, Joseph Lawrence
The Extraordinary Design Of The Bombardier Beetle: A Classic Example Of Biomimetics, Andy C. Mcintosh, Joseph Lawrence
Proceedings of the International Conference on Creationism
The innocuous looking bombardier beetle is one of the most remarkable creatures in the insect world. This tiny insect (1-1.5 cms long) is able to fight off any spider, frog, ant or bird that comes too close, by blasting the attacker with a powerful jet of hot, toxic fluid. Furthermore, the beetle can aim its weapon in any direction (even over its head) with pinpoint accuracy, and can reach distances of up to 20 cm with its spray. The bombardier beetle is rare in Europe but common in Africa, Asia and the warmer parts of the Americas, and in order …
The Effect Of Hydrogen Peroxide On Leishmania Amazonensis Promastigotes, Debra Eluobaju
The Effect Of Hydrogen Peroxide On Leishmania Amazonensis Promastigotes, Debra Eluobaju
DePaul Discoveries
Leishmaniasis is a disease caused by the parasite Leishmania. The disease causes lesions to the skin and face; when visceral it becomes fatal to its host. Leishmanias are transmitted through the female blood-sucking sand fly into its mammalian host, where it infects macrophages. Within the macrophages, Leishmania differentiates from a motile, rod shaped, nonvirulent promastigotes to a non-motile, spherical shaped, virulent amastigotes. Differentiation is due to the high temperature of the mammalian host body, in addition to the low pH of the macrophage. In vitro, the cells are differentiated in Graces medium (pH 5.3) at 33◦C. I investigated whether …
Effects Of Chlorine, Hydrogen Peroxide, And Ozone On The Reduction Of Mancozeb Residues On Tomatoes, Mehmet Fati̇h Cengi̇z, Muharrem Certel
Effects Of Chlorine, Hydrogen Peroxide, And Ozone On The Reduction Of Mancozeb Residues On Tomatoes, Mehmet Fati̇h Cengi̇z, Muharrem Certel
Turkish Journal of Agriculture and Forestry
In this study, the effects of widely used oxidizers (chlorine, hydrogen peroxide, and ozone) on the reduction of mancozeb residues on tomatoes were investigated. Mature tomato samples grown in a greenhouse were treated with mancozeb and collected at different time intervals. Mancozeb residue levels in the samples were determined for each interval using a gas chromatography-mass spectrometry method. A group of the samples with a residue level of approximately 3 mg kg^{-1} was selected for dipping solutions experiments. Selected samples were dipped into the chlorine (10 and 100 mg L^{-1}), hydrogen peroxide (10 and 100 mg L^{-1}), and ozone (1 …
Study Of Exogenous Oxidative Stress Response In Escherichia Coli, Pseudomonas Spp., Bacillus Spp., And Salmonella Spp., Ifratun Nur, Mohammad Sakil Munna, Rashed Noor
Study Of Exogenous Oxidative Stress Response In Escherichia Coli, Pseudomonas Spp., Bacillus Spp., And Salmonella Spp., Ifratun Nur, Mohammad Sakil Munna, Rashed Noor
Turkish Journal of Biology
With a previous observation of Escherichia coli growth cessation with the supplementation of 3 mM hydrogen peroxide (H_{2}O_{2}) at the late log phase, the current study further demonstrated the consequences of the addition of an increased concentration (6 mM) of H_{2}O_{2} and further extended the investigation on such an oxidant's impact on the growth of Salmonella spp., Pseudomonas spp., and Bacillus spp. Cell culturability was measured through the enumeration of colony-forming units (CFUs) on agar plates for up to 72 h. Subsequent changes in cell morphology and arrangements were monitored, and the cell viability was simultaneously retraced by spot tests. …
Anti-Oxidative Stress Activity Of Phikud Navakot Extract In Saccharomyces Cerevisiae, Nongluksna Sriubolmas, Uthai Sotanaphun, Duangdeun Meksuriyen, Suthep Wiyakrutta
Anti-Oxidative Stress Activity Of Phikud Navakot Extract In Saccharomyces Cerevisiae, Nongluksna Sriubolmas, Uthai Sotanaphun, Duangdeun Meksuriyen, Suthep Wiyakrutta
The Thai Journal of Pharmaceutical Sciences
No abstract provided.
The Inhibition Effect Of Yoghurt Starter Culture Metabolites, Belma Aslim, Yavuz Beyatli, Kadi̇r Halkman
The Inhibition Effect Of Yoghurt Starter Culture Metabolites, Belma Aslim, Yavuz Beyatli, Kadi̇r Halkman
Turkish Journal of Biology
In this study effect of some separate and combined metabolic compounds produced by lactic acid were tested on food pathogenic and contaminant microorgnasms. For this study, five strains of each Lactobacillus bulgaricus and Streptococcus thermophilus were used. The inhibition effects of the metabolic products (lactic acid, hydrogen peroxide, acetaldehyde, diacetyl) produced by the stains on test bacteria ( Staphylococcus aureus, Escherichia coli) were determined. Also, a random combinations of the strains were prepared and the metabolic compounds produced by these cultures and their antimicrobial activities on tested bacteria were determined. By regarding the metabolic products mainly, the samples of lactic …
Prevention Of Hydrogen Peroxide And Cisplatininduced Apoptosis By Intracellular Catalaseoverexpression, H. Barbaros Oral, Andrew J.T. George, Dorian O. Haskard
Prevention Of Hydrogen Peroxide And Cisplatininduced Apoptosis By Intracellular Catalaseoverexpression, H. Barbaros Oral, Andrew J.T. George, Dorian O. Haskard
Turkish Journal of Biology
Apoptosis induced by hydrogen peroxide (H_2O_2 ) was investigated in Chinese hamster ovarian (CHO) cells, and compared to apoptosis induced by cisplatin (25 µM), a well-established apoptosis-inducing agent. In preliminary experiments, CHO cells were treated with low concentrations of H_2O_2 (250-500 µM) continuously or for 3 hours, followed by washing and further incubation in complete growth medium for 1-10 days. Fluorescence microscopy of acridine orange-stained cells indicated morphological changes of apoptosis. Similar changes were observed in cisplatin-treated cells. DNA-laddering also revealed that DNA fragmentation occurred in both adherent and non-adherent cells by day 2. To prevent H_2O_2 -mediated apoptosis, the …
The Effects Of Chemicals For Using The Bleaching Of The Wood Surfaces On The Layer Hardness Of Varnish, Burhanetti̇n Uysal, Musa Atar, Ayhan Özçi̇fçi̇
The Effects Of Chemicals For Using The Bleaching Of The Wood Surfaces On The Layer Hardness Of Varnish, Burhanetti̇n Uysal, Musa Atar, Ayhan Özçi̇fçi̇
Turkish Journal of Agriculture and Forestry
The objective of this research was to determine the effects of sodium hydroxide + hydrogen peroxide, sodium hydroxide + calcium hydroxide + hydrogen peroxide, hypochlorite and hydrochloric acid applied on the scotch pine ( Pinus sylvestris L), oriental beech ( Fagus orientalis Lipsky), ash wood ( Froxinus excelsior L.) and oak ( Quercus petraea Mattu Liebl.) on the layer hardness of acrylic, synthetic, polyurethane and acid catalyzed varnish. Results indicated that in the natural varnishing effects of wood species on the layer hardness of varnish are unimportant but the effects of varnish types are important. In the varnishing, after bleaching …
Physicochemical Properties Of Irradiation Modified Starch Extrudates, A. S. Sokhey, R. Chinnaswamy
Physicochemical Properties Of Irradiation Modified Starch Extrudates, A. S. Sokhey, R. Chinnaswamy
Food Structure
Corn starch samples containing 0, 25, 50 and 70% amylose irradiated with -y -radiation dosages of 0 (native) , 5 , 10, 20 (containing 0, 2.5 or 5% potassium persulfate , hydrogen peroxide or eerie ammonium nitrate) or 30 kGy were extrusion cooked using a C. W. Brabender single-screw extruder at a barrel temperature of 140 °C, a screw speed of 140 rpm and 18% moisture content. Increasing irradiation dosages from 0 to 30 kGy gave consistently increased expansion ratios from 2.9 to 7.9 for 25% amylose starches and from 6.5 to 14.5 for 50% amylose starches, while the expansion …