IR, (1)H NMR and UV spectral Studies These studies showed that t

IR, (1)H NMR and UV spectral Studies. These studies showed that the ligands coordinate to the metal atom in a monobasic bidentate manner and square planar environment around the metal atoms has been proposed to the complexes. Both the ligands and their complexes have been screened for their antimicrobial activities. The antiamoebic activity of both the ligands and their palladium compounds against the protozoan Parasite Entamoeba histolytica has been tested. (C) 2009 Elsevier B.V. All rights reserved.”
“Most epidemiological studies of the association between breast cancer risk and exposure

to organochlorine pesticides or polychlorinated biphenyls (PCBs), which are suspected endocrine disrupters and potential risk factors for GSK621 human breast cancer, have been conducted in western countries, and the majority of results have been null and the rest inconsistent. Here, we examined these associations in

Japanese women in the largest study in Asian women to date.\n\nThe study was a matched case-control study of breast cancer with 403 eligible matched pairs from May 2001 to September 2005 at four hospitals in Nagano Prefecture, Japan.\n\nSerum samples were measured for PCBs and nine pesticide-related organochlorines, including dichlorodiphenyltrichloroethane (DDT). Odds ratios of breast cancer or its NVP-BSK805 price hormone-receptor-defined subtypes according to serum organochlorines were calculated.\n\nNo increase in the risk of breast cancer was seen among women with higher serum concentrations of any organochlorine: o,p’-DDT, p,p’-DDT, p,p’-dichlorodiphenyldichloroethylene, GSI-IX cell line hexachlorobenzene, beta-hexachlorocyclohexane, trans-nonachlor, cis-nonachlor, oxychlordane, mirex, or PCBs. Rather, higher serum levels of cis-nonachlor, mirex, or total PCBs were associated with a decreased risk of breast cancer\n\nOverall, these results suggest that breast cancer risk in Japan,

a low-incidence country, is similar to that in western countries in terms of organochlorine exposure.”
“To evaluate the therapeutic activity of low-power laser (InGaAlP: 670 nm/30 mW), at doses of 90 J/cm(2), on the process of acute and chronic-phase repair of bone lesions of Wistar rats. Sixty-three adult males were divided into nine groups subjected to bone injury, in order to form the following treatments: T1 (control); T2 (acute-phase); T3 (chronic-phase) which were subdivided into three subgroups (n = 7), analyzed on the 9th, 17th and 28th days post-surgery, after a period of daily treatment with laser. The animals with acute-phase treatment presented a more extensive endochondral ossification process. Laser-treated animals showed significant increases in serum alkaline phosphatase levels and had an effect on biomechanical property, resulting in a gradual increase in bone stiffness.

These results can be explained by the known functions of these tw

These results can be explained by the known functions of these two HSP: participation of HSP90 in protein folding and HSP70 in protein folding and degradation. We conclude that NMIIA is the master regulator of Golgi fragmentation induced by heat shock or inhibition/depletion of HSP70/90.”
“The purpose of this study was to apply cone-beam computed tomography (CBCT) to observe contour changes in human alveolar bone after tooth extraction of the maxillary central incisor and to provide original morphological evidence for aesthetic implant treatment in the maxillary anterior area. Forty patients were recruited

into the study. Each patient had two Temsirolimus CBCT scans (CBCT I and CBCT II), one taken before and one taken three months after tooth extraction of maxillary central incisor (test tooth T). A fixed anatomic reference point was used to orient the starting axial slice of the two scans. On three CBCT I axial slices, which represented the

deep, middle, and shallow layers of the socket, labial and palatal alveolar bone widths of T were measured. The number of www.selleckchem.com/products/anlotinib-al3818.html sagittal slices from the start point to the pulp centre of T was recorded. On three CBCT II axial slices, the pulp centres of extracted T were oriented according to the number of moved sagittal slices recorded in CBCT I. Labial and palatal alveolar bone widths at the oriented sites were measured. On the CBCT I axial slice which represented the middle layer of the socket, sagittal slices were reconstructed. Relevant distances of T on the sagittal slice were measured, as were the alveolar bone width and tooth length of the opposite central incisor. On the CBCT II axial slice, which represented the middle layer of the socket, relevant distances recorded in CBCT I were transferred on the sagittal

slice. The height reduction of alveolar bone on labial and palatal sides was measured, as were the alveolar bone width and tooth length of the opposite central incisor at the oriented site. Intraobserver reliability assessed by intraclass correlation coefficients (ICCs) was high. Paired sample t-tests were performed. The alveolar bone width and tooth length of the opposite central incisor showed no statistical Sapanisertib order differences (P smaller than 0.05). The labial alveolar bone widths of T at the deep, middle, and shallow layers all showed statistical differences. However, no palatal alveolar bone widths showed any statistical differences. The width reduction of alveolar bone was 1.2, 1.6, and 2.7 mm at the deep, middle, and shallow layers, respectively. The height reduction of alveolar bone on labial and palatal sides of T both showed statistical differences, which was 1.9 and 1.1 mm, respectively.”
“Retinitis pigmentosa (RP) is an inherited photoreceptor degenerative disorder that results in blindness.

Despite being highly specific to nerve fibers, the technique does

Despite being highly specific to nerve fibers, the technique does not sacrifice tissue panorama so it gives beautiful images set. Without being a technique to argentaffin structures, it clearly shows two types of argentaffin cells in the adrenal glands. The addition of the metal reactive in droplets and in a humid chamber provides a very economical variant.”
“Neurofibrillary tangles (NFTs) have been shown in 20% of subacute sclerosing panencephalitis (SSPE) cases. NFTs contain paired helical filaments formed by

hyperphosphorylated tau. The intraneuronal tau metabolism and the rate of formation of paired helical filaments can be regulated by interactions between HM781-36B ic50 tau and isoforms of Apolipoprotein E (Apo E). Tau binds in vitro to Apo E3, interferes with the hyperphosphorylation of tau and may reduce the formation of NFTs. We investigated cerebrospinal fluid (CSF) Apo E levels in SSPE (n = 37) and age-matched control (n = 38) groups. The median level of total Apo E and Apo E4 were lower in the SSPE than the control group (p < 0.001 and p = 0.002). On the other hand, median Apo E3 level (0.28 +/- 0.23 mu g/ml) was higher in the SSPE group (p < 0.001). Such elevated levels of ApoE3 might play a role in controlling the formation of NFTs in SSPE. Because NFT-associated Cilengitide neurodegeneration is a slow process, comparison of the long-term clinical course of SSPE cases with high

Selleckchem Screening Library and low Apo E3 levels might provide further understanding or the role of these molecules in this disease, and help the planning of neuroprotective treatment. (C) 2011 The Japanese Society

of Child Neurology. Published by Elsevier B.V. All rights reserved.”
“BACKGROUND/OBJECTIVES: The objective of this study was to assess vitamin D status and possible consequences of low plasma 25-hydroxyvitamin D (25OHD) levels in a population of healthy mothers and their infants.\n\nSUBJECTS/METHODS: A total of 107 women aged 24-41 years gave birth to 108 infants. They were followed up three times during 9 months.\n\nRESULTS: Cord blood 25OHD level (43.3 +/- 20.4 nmol/l) on average was 62 +/- 16% of maternal levels (73.3 +/- 30.7 nmol/l), measured 1-2 weeks postpartum. Cord blood 25OHD correlated positively with maternal 25OHD levels (r = 0.83, P<0.001). At birth, 23% of mothers and 61% of infants had 25OHD <50 nmol/l. Vitamin D deficiency (25OHD<25 nmol/l) was present in 66% of the children born by mothers with 25OHD levels below 50 nmol/l (P<0.01), whereas only one child was born with deficiency among mothers with 25OHD >50 nmol/l. During follow-up, most of the children (>85%) had 25OHD levels >50 nmol/l, which most likely was attributable to the use of supplements, as more than 95% of the children were given daily vitamin D supplements of 10 mu g of vitamin D. Cord blood parathyroid hormone levels were very low (median 0.21; interquartile range 0.11-0.

] Mycoplasma

gallisepticum como fator de risco no peso de

] Mycoplasma

gallisepticum como fator de risco no peso de lotes de frangos de corte com condenacao por aerossaculite na Inspecao Sanitaria Federal. Pesquisa Veterinaria Brasileira 32(7):645-648. Departamento de Saude Coletiva Veterinaria e Saude Publica, Faculdade de Veterinaria, Universidade Federal Fluminense, Rua Dr. Vital Brazil Filho64, Vital Brazil, Niteroi, RJ 24230-340, Brazil. E-mail: [email protected]\n\nThe Brazilian poultry industry improves annually and is more representative on production and exportation this website of their products. Care on poultry health cooperates to these developments, however, respiratory agents that affect weight and carcass quality, continue to threaten poultry production. Airsacculitis is considered the main cause of total and/or partial condemnation of broilers carcasses, being Mycoplasma gallisepticum (MG) the most important agent of it. This study aimed to detect MG by “Polymerase Chain Reaction” (PCR) and to correlate its positivity with airsacculitis, weight losses

and condemnated broilers by Federal Sanitary Inspection. A total of 40 flocks of slaughter broilers under Federal Inspection in Rio Grande do LY3023414 solubility dmso Sul, Brazil, were randomly selected. In each flock three broilers, regardless of sex, were randomly chosen for necropsy where tracheas were collected and polled in one sample for analysis. For PCR, DNA was extracted by the method of phenol-chloroform and amplified with pairs of specific primers for MG. From the 40 flocks PCR analyzed, 20% (8/40) were positive for MG. MG detection was found to be correlected with airsacculitis increase and weight decrease by multiple logistic

regression equation (p<0,05), LogitPi= 7.9409 + (0,5601 x X1) – (3.3080 x X2). Airsacculitis rate increase also correleted with decrease in body weight by simple linear regression equation (p<0.05), Y= 2.1050 – 0.6397X. In conclusion, MG positivity SB202190 in vivo is related to airsacculitis which causes weight loss in broilers. In addition, the PCR was an effective technique for the detection of MG in flocks of broilers, but was not affected by the kind of biological specimens collected, as tracheal scraping or swab.”
“A combination of transmission electron microscopy techniques and spatially resolved microanalysis is used to investigate the nanostructure, constituting phases, and chemical elemental distribution in CrAlYN multilayered coatings. The location of the metallic elements and their chemical state are needed to understand their functional properties. Samples were prepared with variable Al (4-12 at%) and Y (2-5 at%) contents by direct current reactive magnetron sputtering on silicon substrates using metallic targets and Ar/N-2 mixtures under different deposition parameters (power applied to the target and rotation speed of the sample holder). The changes produced in the nanostructure and chemical distribution were investigated.

marinus has distinct transport systems for trehalose and glucose;

marinus has distinct transport systems for trehalose and glucose; moreover, the experimental data fit perfectly with a model considering a high-affinity, low-capacity transport system for trehalose (K-m = 0.11 +/- 0.03 mu M and V-max = 0.39 +/- 0.02 nmol/min/mg of protein) and a glucose transporter with moderate affinity and capacity (K-m = 46 +/- 3 mu M and V-max = 48 +/- 1 nmol/min/mg of protein). The contribution of the trehalose transporter

is important only in trehalose-poor environments (trehalose concentrations up to 6 selleckchem mu M); at higher concentrations trehalose is assimilated primarily via trehalase and the glucose transport system. Trehalose uptake was constitutive, but the activity decreased 60% in response to osmotic stress. The nature of the trehalose transporter and the physiological relevance of these findings are discussed.”
“OBJECTIVEWe investigated the association of fasting serum glycerol and fatty acids (FAs) as predictors for worsening of hyperglycemia

and incident type 2 diabetes.RESEARCH DESIGN AND METHODSCross-sectional and longitudinal analyses of the population-based METabolic Syndrome in Men (METSIM) Study included 9,398 Finnish men (mean age 57 7 years). At baseline, levels of serum glycerol, free FAs (FFAs), and serum FA profile, relative to total FAs, were measured with proton nuclear magnetic resonance spectroscopy.RESULTSAt baseline, levels of glycerol, FFAs, monounsaturated FAs, saturated FAs, and monounsaturated n-7 and -9 FAs, relative to total FAs, were increased in Volasertib mouse categories

of fasting and 2-h hyperglycemia, whereas the levels of n-3 and n-6 FAs, relative https://www.selleckchem.com/Wnt.html to total FAs, decreased (N = 9,398). Among 4,335 men with 4.5-year follow-up data available, 276 developed type 2 diabetes. Elevated levels of glycerol, FFAs, monounsaturated FAs, and saturated and monounsaturated n-7 and -9 FAs, relative to total FAs, predicted worsening of hyperglycemia and development of incident type 2 diabetes after adjustment for confounding factors. n-6 FAs, mainly linoleic acid (LA), relative to total FAs, were associated with reduced risk for the worsening of hyperglycemia and conversion to type 2 diabetes.CONCLUSIONSOur large population-based study shows that fasting serum levels of glycerol, FFAs, monounsaturated FAs, saturated FAs, and n-7 and -9 FAs are biomarkers for an increased risk of development of hyperglycemia and type 2 diabetes, whereas high levels of serum n-6 FAs, reflecting dietary intake of LA, were associated with reduced risk for hyperglycemia and type 2 diabetes.”
“Zinc is stored in insulin-containing dense core vesicles of pancreatic beta-cells where it forms crystals together with insulin and calcium ions. Zinc ions are therefore released together with insulin upon exocytosis of these vesicles. Consequently, pancreatic beta-cells need to take up large amounts of zinc from the extracellular space across their plasma membrane. The pathways for zinc uptake are only partially understood.

Patients were successfully managed conservatively None of the pa

Patients were successfully managed conservatively. None of the patients developed symptomatic vasospasm, rebleeding, or hydrocephaly. Control angiograms at

3 months showed spontaneous resolution of the aneurysm in all cases. Rupture of perforator aneurysms of the posterior circulation is a rare condition and it may be underdiagnosed because of limitations of imaging techniques. Treatments can lead to complications in highly functional territories and should be considered wisely, especially due to the fact that the causes and natural history of such aneurysms are unknown and spontaneous healing remains a possibility.”
“Background: Despite the efficacy and safety of intrauterine contraceptive methods (IUCs), healthcare providers (HCPs) are sometimes reluctant to recommend their use, particularly in nulliparous women. This study sought to understand the global practitioner perceived impediments selleckchem to IUC click here provision.\n\nStudy Design: We developed an online survey for HCPs administered across 4 regions comprising 15 countries. We sought their

attitudes to IUC provision; their perceived barriers to IUC use, particularly in nulliparous women; as well as their knowledge of the World Health Organization Medical Eligibility Criteria (WHO MEC) for contraceptive use.\n\nResults: We received 1862 responses from HCPs in 15 countries grouped into 4 regions, with an average country response rate of 18%. For analysis, the results were grouped into these regions: Latin America, 402 (21.6%); USA, 156 (8.4%); Europe and Canada, 1103 (59.2%); and Australia, 201 (10.8%). The two most frequently identified perceived barriers to IUC use in nulliparous women were difficulty of

insertion (56.6%) and pelvic inflammatory disease (PlD) (49.2%), but responses differed by region and HCP type. Only 49.7% recognized the correct WHO MEC category for IUC use in nulliparous women.\n\nDiscussion: Fludarabine molecular weight The results of this survey confirm that, across the four regions, the two main barriers to IUC provision for nulliparous women are concern about the difficulty of insertion and PID. Providers’ knowledge of the WHO MEC was lacking universally. A global effort is required to improve understanding of the evidence and knowledge of available guidelines for IUC use. (C) 2013 Elsevier Inc. All rights reserved.”
“Teleost fish grow continuously throughout their lifespan, and this growth includes visual system components: eyes, optic nerves, and brain. As fish grow, the optic nerve lengthens and neural signals must travel increasing distances from the eye to the optic tectum along thousands of retinal ganglion cell (RGC) axons. Larger fish have better vision that enhances their ability to capture prey, but they are faced with the potential computational problem of changes in the relative timing of visual information arriving at the brain. Optic nerve conduction delays depend on RGC axon conduction velocities, and velocity is primarily determined by axon diameters.

After controlling for potential confounders, only mite sensitizat

After controlling for potential confounders, only mite sensitizations (odds ratio 1.89, 95% confidence interval 1.10-3.25) and the FLG TT genotype (odds ratio 2.26, 95% confidence interval 1.33-3.84) were significantly associated with the development of asthma in children with AD. Mite sensitizations and FLG variants had a synergistic effect on the development of asthma. When children with FLG variants were exposed to mite, the risk for asthma was compounded

compared with those with FLG variants without mite exposure (odds ratio 3.58, 95% confidence interval 1.81-7.08). Conclusion: Mite sensitization and the FLG TT genotype couldt be associated with the development of atopic march. (C) 2015 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.”
“Intrinsically photosensitive retinal ganglion cells (ipRGCs) are inner retinal photoreceptors Dorsomorphin that mediate non-image-forming visual functions, buy Momelotinib e.g. pupillary constriction, regulation of pineal melatonin release, and circadian photoentrainment Five types of ipRGCs were recently discovered in mouse, but whether they exist in other mammals remained unknown. We report that the rat also has five types of ipRGCs, whose morphologies match those of mouse ipRGCs; this is the first demonstration of all five cell types in a non-mouse species. Through immunostaining and lambda(max) measurements, we showed that melanopsin is likely the photopigment

of all rat ipRGCs. The various cell types exhibited diverse spontaneous spike rates, with the M1 type spiking the least and M4

spiking the most, just like we had observed for their mouse counterparts. Also similar to mouse, all ipRGCs in rat generated not only sluggish intrinsic photoresponses but also fast, synaptically driven ones. However, we noticed two significant differences between these species. First, whereas we learned previously that all mouse ipRGCs had equally sustained synaptic PFTα mouse light responses, rat M1 cells’ synaptic photoresponses were far more transient than those of M2-M5. Since M1 cells provide all input to the circadian clock, this rat-versus-mouse discrepancy could explain the difference in photoentrainment threshold between mouse and other species. Second, rat ipRGCs’ melanopsin-based spiking photoresponses could be classified into three varieties, but only two were discerned for mouse ipRGCs. This correlation of spiking photoresponses with cell types will help researchers classify ipRGCs in multielectrode-array (MEA) spike recordings. (C) 2014 Elsevier Ltd. All rights reserved.”
“Success rates for genomic analyses of highly heterogeneous disorders can be greatly improved if a large cohort of patient data is assembled to enhance collective capabilities for accurate sequence variant annotation, analysis, and interpretation. Indeed, molecular diagnostics requires the establishment of robust data resources to enable data sharing that informs accurate understanding of genes, variants, and phenotypes.

To develop okara cookie using fresh okara, cookies were baked usi

To develop okara cookie using fresh okara, cookies were baked using only okara (0) or okara with additives: starch (OS), soy flour (OF) and hydroxypropyl methylcellulose (OH). OH dough had the highest water ML323 holding capacity value at 147.8%,

followed by OF (88.6%), OS (77.6%) and O (46.5%) dough. OH dough was also the most elastic dough with no cutting when it was extended. The sensory panel scored the additive-added cookies 1.5 (OS) to 2.8 (OF and OH) times higher than O cookie with regard to hardness, crispiness and chewiness. During the 7-day storage, OF and OH cookies had a lower water activity (0.50-0.69) compared to the O cookie (0.82-0.87); however, OS cookie had a similar water activity (0.78-0.85) to the O cookie. The OF and OH cookies had higher hardness value than OS and O cookies during storage. Based on the results, the additives held the water content of fresh okara during the production of okara cookies; further, the additives allow the formulation of healthier snack foods. (C) 2015 Elsevier Ltd. All rights reserved.”
“Although personality has been well studied in a wide range of species, relatively few studies have assessed if behavior in standardized captive tests is predictive of behavior in the wild. selleck chemicals We captured wild zebra finches around 2 breeding colonies and assayed their exploratory behavior

with a novel environment test. The birds’ foraging behavior in the wild was also measured with the use of a passive integrated transponder tag system INCB28060 inhibitor to monitor their use of feeders that were periodically moved around the colonies to assess exploratory behavior and sociality. During the same period, individuals’ reproductive success was monitored at the nest-boxes being used in this area. We found that our measures of sociality, wild, and captive exploration were repeatable, but contrary to our predictions, exploration in the novel environment test was not significantly correlated with exploration of feeders in the wild. We failed to find a predicted negative relationship between exploration and sociality, instead finding a significant positive correlation between exploration in the novel

environment and sociality. Finally, we found little evidence that any of our measured personality traits influenced reproductive success at the colony, either individually or when the interactions between the personalities of both members of the pair were taken into account. The only exception was that highly exploratory males (assayed with wild feeder behavior) were more likely to make breeding attempts than less exploratory males. Our results suggest that researchers should use caution when using tests such as the classic novel environment test to make inferences about personality in wild populations.”
“The hypoxia-inducible factors HIF-1 and HIF-2 are primarily regulated via stabilization of their respective alpha-subunits under hypoxic conditions.

At 4 hours (sustained response), only Col/Epi and Col/ADP were as

At 4 hours (sustained response), only Col/Epi and Col/ADP were assessed.\n\nResults: The DDAVP mean (min-max range, mu g/kg) based on the patient’s weight was 0.15 (0.12-0.18). Laboratory values mean (min-max range in

U/dl) baseline for VWF:RCo, VWF:Ag, and FVIII: C were 28 (20-36), 34 (25-42), and 40 (29-48), respectively. After a subcutaneous administration, the laboratory values mean (min-max range in U/dl(-1)) achieved for 1 hour for VWF: RCo, VWF: Ag, and FVIII: C were 109 (72-144), 132 (88-166), and selleck products 151 (96-198), respectively.\n\nPFA 100 (R) CT (Col/Epi < 134 seconds and Col/ADP < 110 seconds) returned to normal values at 1 and 4 hours after a subcutaneous administration.\n\nConclusion: NCT-501 research buy Subcutaneous low-dose DDAVP therapy is at least effective as 0.3 mu g/kg intravenous therapy for children with

type 1 VWD. This study shows that a wider use of DDAVP should be promoted, especially in developing countries.”
“To identify weather controls of beech diameter growth and masting in southern Sweden, we analyze records of monthly weather, regional masting record, and tree-ring chronologies from five beech-dominated stands. The results indicate a strong weather control of temporal pattern of masting events in southern Sweden over the second half of the 20th century. Negative summer temperature anomaly 2 years prior to a mast year, coupled with positive temperature anomaly in the year immediately preceding the same mast year, is a characteristic learn more weather pattern associated with known mast years. Strong dependence of beech masting behavior on temperature explains the high degree of regional synchronization of masting events. Growth of beech in southern Sweden is strongly and negatively correlated with previous year’s summer temperature and positively – with previous year’s October temperature. The present study does not provide a conclusive answer in identifying a full set of direct and

indirect effects of climatic variables controlling tree-ring growth, since the negative effect of previous year’s summer temperature may be a result of a temperature-controlled increase in the beech nut production in the current year. Consistent and significant negative departures of ring-width index during mast years support the hypothesis about a trade-off between investment of bioassimilates into production of beech nuts and tree-ring growth. Alternative explanation of growth anomalies in mast years, relating such anomaly to a negative impact of previous year’s growing season, was not supported by the data. We found a limited effect of masting on diameter growth in the following years, indicating that decline in the overall wood production, associated with heavy masting, is short term and typically occurs in the year of actual masting. (C) 2010 Elsevier B.V. All rights reserved.

We hypothesize that diabetes stimulates overproduction of superox

We hypothesize that diabetes stimulates overproduction of superoxide in both the p-cells of the islet grafts and the endothelial cells lining the intraportal microvasculature adjacent to where the embolized islets become lodged. This double dose of oxidant damage stresses both the islets, which are highly susceptible to free radicals because of inherent low levels of scavenging enzymes, and the adjacent hepatic endothelial see more cells. This, superimposed upon localized endothelial damage caused by embolization, precipitates inflammation and coagulation which further damages islet grafts. Based upon this model, we predict that pre-exposing islets to sub-lethal

hyperoxia should up-regulate islet free radical scavenging enzyme levels and promote initial engraftment; reinterpretation of 30 years old “passenger leukocyte” data and preliminary new data support this. Other data suggests that pre-exposure SRT1720 purchase of recipients to hyperoxia could up-regulate antioxidant enzymes in the hepatic endothelium. The combination of both effects could markedly enhance early intraportal islet graft survival and engraftment. Finally, if our model is correct, current in vitro and in vivo tests used to test batches of harvested islets for viability and function prior to transplantation are poorly conceived (n.b., it is already well-known that results using these tests often do

not predict clinical islet transplantation success) and a different testing paradigm is suggested. (C) 2014 Elsevier

Ltd. All rights reserved.”
“FeTi alloy was prepared by a vacuum smelting method, iron titanium oxide nanotube arrays have been made directly by anodization of the FeTi alloy. Morphologies and microstructures of the samples were characterized by scanning electron microscope, transmission electron microscope, and X-ray diffractometer. Influences of temperature and H2O concentration on the morphologies of the nanotube arrays have been discussed in detail. Magnetic properties of selleck chemicals the samples have also been investigated. The as-prepared samples were amorphous. When annealed at 500 degrees C and 550 degrees C, pesudobrookite Fe2TiO5 was obtained. At 600 degrees C, there were mixed Fe2TiO5, rutile TiO2, and alpha-Fe2O3. Magnetic performance of the nanotube arrays exhibited high sensitivity to temperature and changed interestingly upon annealing. The values of the coercivity and remanence were 340 Oe and 0.061 emu/g respectively for the sample annealed at 550 degrees C. (c) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.”
“A previous study revealed that IbEF1 from sweet potato promoted early flowering in transgenic tobacco and acted as a novel regulator involved in flowering time control. Two putative ortholog genes were found in N. tabacum: NtEF1 and NtEF2.