Skin Exposure Reduction Paste Against Chemical Warfare Agents was applied as a thin

coating (0.1 mm thick), allowed to dry for 15 minutes, and challenged with VX. After a 2-hour challenge, any remaining VX was blotted off the animal, but no additional decontamination was done. Positive control animals were challenged with VX in the same manner as the treated animals, except that they received no treatment. In addition, the positive control animals were always challenged with 5% VX in isopropyl alcohol (IPA) solution, whereas the treatment animals received either neat (undiluted) VX or 5% VX in IPA solution. All animals were observed during the first 4 hours and again at 24 hours after exposure for signs of toxicity and death. The protective ratio (PR, defined as the median lethal dose [LD(50)] of Citarinostat mw Crenigacestat ic50 the treatment group divided by the LD(50) of the untreated positive control animals) was calculated from the probit dose–response curves established for each treatment group and nontreated control animals. Significance in this report was defined as p < .05.

Results: In the standard 2-minute neat VX decontamination experiments, the calculated PRs for Reactive

Skin Decontamination Lotion (RSDL), 0.5% bleach, 1% soapy water, and the M291 Skin Decontamination Kit (SDK) were 66, 17, 16, and 1.1, respectively. Reactive Skin Decontamination Lotion was by far the most effective decontamination product tested and was significantly better than any of the other products. Bleach and soapy water provided equivalent and good (PR > 5) protection. They were both significantly better than the M291 SDK. The M291 SDK did not provide significant protection compared with positive controls. In the neat VX delayed-decontamination experiments, the calculated LT(50) (the delayed-decontamination time at which 50% of the animals died in the test population following a 5-LD(50) challenge) values for RSDL, 0.5% bleach, and 1% soapy water were 31, 48, and 26 minutes, respectively. The results showed that SERPACWA provided

significant, but modest (PR < 5), protection against neat VX, with a PR of 2.1.

Conclusions: Several conclusions can be drawn selleck chemical from this study: 1) RSDL provided superior protection against VX compared with the other products tested; 2) 0.5% bleach and 1% soapy water were less effective than RSDL, but still provided good protection against VX; 3) the M291 SDK was the least effective decontamination product and did not provide significant protection against VX; 4) the agent was observed to streak when using the M291 SDK, and efficacy may improve if the agent is first blotted, followed by wiping with a new or clean part of the M291 SDK pad; 5) RSDL, 0.5% bleach, and 1% soapy water provided significant protection against a 5-LD(50) challenge of VX, even when decontamination was delayed for up to about 30 minutes; and 6) SERPACWA provided significant, but modest, protection against VX.

Results. Women with malignant tumors

had the highest levels of Ca 125, CEA, and HE 4 (p < 0.01). Mucinous adenocarcinoma produced the highest amounts of Ca 19.9 and CEA. MMP inhibitor Ca 15.3 was the highest in women with endometrioid carcinoma. There were no significant differences in the levels of all examined tumor markers (p > 0.05) between women with benign and borderline tumors. Ca 125, HE 4, and Ca 15.3 can discriminate the malignant from other tumor types well. The highest sensitivity, specificity, positive and negative predictive values (91.04%, 87.6%, 67.9%, 77.2%, respectively) were achieved for the combination of Ca 125 and HE 4.

Blood levels of examined tumor markers can be good predictors of the adnexal masses nature. For the most precise evaluation the combination of serum tumor markers should be used.”
“Objective.

The present

study explored the role of the emotional experience of God (i.e., positive and negative God images) in the happiness of chronic pain (CP) patients. Framed in the transactional model of stress, we tested a model in which God images would influence happiness partially selleckchem through its influence on disease interpretation as a mediating mechanism. We expected God images to have both a direct and an indirect (through the interpretation of disease) effect on happiness.

Design.

A cross-sectional questionnaire design was adopted in order to measure demographics, pain condition, God images, disease interpretation, and happiness. One hundred thirty-six CP patients, all members

of a national patients’ association, completed the questionnaires.

Results.

Correlational analyses showed meaningful associations among God images, disease interpretation, and happiness. Path analyses from a structural equation modeling approach indicated that positive God images seemed to influence happiness, both directly and indirectly through the pathway of positive interpretation of the disease. Ancillary analyses showed that the negative influence of angry God images on happiness disappeared after controlling for pain severity.

Conclusion.

The LY2606368 results indicated that one’s emotional experience of God has an influence on happiness in CP patients, both directly and indirectly through the pathway of positive disease interpretation. These findings can be framed within the transactional theory of stress and can stimulate further pain research investigating the possible effects of religion in the adaptation to CP.”
“This paper examines the incidence and possible prenatal and postnatal risk factors for the emergence of the sudden infant death syndrome (SIDS) in the Bjelovar-Bilogora County in Croatia.

Data on epidemiological and public health prenatal and postnatal risk factors in infants who died of SIDS were retrospectively processed for the period between 1(st) January 1991 and 31(st) December 2011 in the area of the Bjelovar-Bilogora County.

SIDS incidence in the investigated period amounted to 0.

Those patients without indication

for defibrillator implantation received ILRs. Follow-up continued until diagnosis or end of battery life.

Results: The EPS was diagnostic in 36 patients (42%). The most frequent diagnoses were paroxysmal atrioventricular block (AVB) (n = 27), followed by ventricular tachycardia (VT) (n = 6). All patients with VT had structural heart disease; left BBB was more prevalent in this group. Thirty-eight patients received ILRs and diagnosis was achieved in 13 (34%) of them; paroxysmal AVB (n = 10) was the most frequent diagnosis. Median follow-up to diagnosis of paroxysmal AVB was 97 days (interquartile range 60-117 days). Paroxysmal AVB was more frequent in patients with right BBB and prolonged PR interval and/or axis CH5424802 deviation. We found no occurrence of VT or arrhythmic death during follow-up.

Conclusions: The most common etiology of syncope BIX 01294 in patients with BBB was paroxysmal AVB, followed by VT. The stepped use of EPS and ILR in negative patients enables us to safely achieve a high diagnostic yield, given that VT is usually diagnosed during EPS. Full English text available from: www.revespcardiol.org

(C) 2010 Sociedad Espanola de Cardiologia. Published by Elsevier Espana, S.L. All rights reserved.”
“Background: Many older adults with hyperlipidemia or hypertension participate in the Older Americans Act Nutrition Program, which serves meals in community settings and delivers meals to homes. However, there is little information regarding

whether therapeutic meals designed around Dietary Approach 4EGI-1 molecular weight to Stop Hypertension (DASH) principles have a beneficial effect on the diets of these older adults.

Objective: The objective of this study was to determine the degree to which dietary change is influenced by providing 7 home-delivered therapeutic meals weekly to adults aged >= 60 y.

Design: We conducted a 1-y randomized controlled trial in 298 persons with hyperlipidemia or hypertension, in which 50% of participants received 7 therapeutic meals per week for 12 mo. Those in need of dietary change at baseline (n = 210) were examined. Changes in intermediate DASH accordance, DASH accordance, and the nutrients that make up the DASH diet were measured by using 24-h food recalls at baseline, 6 mo, and 12 mo. Chi-square tests, t tests, and multiple regression were used to examine the association between receipt of meals and dietary change over time.

Results: Participants who received meals were 20% (P = 0.001) more likely to reach intermediate DASH accordance at 6 mo and were 18% (P = 0.007) more likely to meet saturated fat accordance at 12 mo than were those who did not receive meals. When stratified by race and income, gains were marginally larger for whites and higher-income individuals.

Materials and Methods: After institutional review board approval, written informed consent was waived. The study was HIPAA compliant. Thirty-six calcium oxalate stones were scanned in an anthropomorphic phantom. For the fixed threshold method, stones were segmented with 0.6-mm-thick sections by using attenuation thresholds of 130 and learn more 575 HU (equal to half of mean attenuation of all stones). For the variable threshold method, stones were segmented at an attenuation threshold equal to half of the attenuation of each stone and at variable section thicknesses (0.6, 1, and 3 mm), tube currents (150, 100, and 50 mAs [reference]),

and tube voltages (100 and 80 kVp). Normalized Bland-Altman analysis was used to assess the bias and precision of the two CT methods compared with that of the fluid displacement method (reference standard). Two independent readers retrospectively

measured stone volumes in 17 patients (male-to-female ratio, 1.4; mean age, 55 years), and interobserver agreement was assessed by using Bland-Altman limits of agreement.

Results: The Anlotinib variable threshold method was more accurate and precise than the fixed threshold method with an attenuation threshold of 130 HU (P < .0001). Thinner sections (0.6 and 1 mm) resulted in more accurate (P < .05) and precise (P < .0001) stone volume measurements than 3-mm-thick sections. With the variable threshold method, no significant difference was seen in the accuracy and precision of stone volume measurements at various tube currents

and tube potentials. Interobserver agreement was high with the fixed and variable threshold methods (r > 0.97).

Conclusion: An attenuation threshold-based CT method can be used to quantify urinary stone volume even at low radiation doses. The most accurate and precise Sapanisertib cost method utilizes variable attenuation derived from the attenuation of each stone and thin sections.”
“Background

Finding fruiting bodies and hyphae of Aspergillus species in a routine cervicovaginal Pap smear is a rare occurrence. When encountered, it is important to distinguish between a true infection and contamination. The fruiting body also plays a very important role in distinguishing the various Aspergillus species.

Case

A 52-year-old woman underwent routine gynecologic anti Pap smear examination. Her per-vaginal and per-speculum examinations were unremarkable. Pap smear showed atrophic changes with few acute inflammatory cells. However, a large number of hyphae and marry fruiting bodies of Aspergillus species were observed in the smears. Close examination of the smear and clinical investigation indicated that the presence of Aspergillus species was due to contamination. Clinical follow-up with repeat Pap smear after 1 month was unremarkable.

Aedes albopictus was identified as the principal vector for the transmission of both viruses.”
“Gastric cancer is prevalent globally, particularly in Asian countries such as Japan and Korea. While the prevalence of gastric cancer is not nearly as high in the United States (U.S.) as in Asia, the treatment armamentarium differs widely between regions. The role of surgery for gastric cancer in the U.S. has changed drastically over the last decade. While Selleckchem DAPT the natural history of gastric cancer seen in the U.S. markedly differs from that seen in Asia,

the U.S. experience with endoscopic and minimally invasive techniques is beginning to parallel those seen in Japan and Korea. Minimally invasive surgery has truly come into the forefront of our surgical armamentarium, and its role, along with robotic and endoscopic approaches, remains to be defined as standard of care. At present, minimally invasive approaches appear to offer oncologically equivalent outcomes compared with standard open gastrectomy when performed by experienced surgeons. Extended lymphadenectomy does not appear to offer benefit with improved survival in our patient population, although sufficient lymph node sampling is imperative for adequate staging. Despite aggressive approaches to surgical resection for cure, the U.S. population

Selleck ON-01910 tends to present with more advanced disease and have a worse prognosis than our Asian counterparts. Palliation with resection and possibly stent placement should be offered for improved quality of life in late-stage disease.”
“Two series of compounds with the general formula of 4,6-diaryl-2-oxo-1,2 dihydropyridine-3-carbonitriles

and their isosteric imino derivatives were synthesized through a one pot reaction of acetophenone, aldehyde and ammonium acetate with ethyl cyanoacetate or malononitrile, respectively. The synthesized compounds were evaluated for tumor cell growth inhibitory using the human Selleckchem Adriamycin HT-29 colon and MDA-MB-231 breast tumor cell lines. Compound 4-(2-Ethoxyphenyl)-2-imino-6-(4-fluorophenyl)-1,2-dihydropyridine-3 carbonitrile (6) showed IC50 value of 0.70 mu M versus HT-29. Meanwhile, compound 4-(2-Hydroxyphenyl)-2-imino-6-(4-fluorophenyl)-1,2-dihydropyridine-3-carbonitrile (4) showed IC50 value of 4.6 mu M versus MDA-MB-231. Docking compound 10 to possible molecular targets, survivin and PIM1 kinase showed appreciable interactions with both, which suggest possible targets for the antitumor activity of this novel class of anticancer compounds.”
“Chronic spirochetal infection can cause slowly progressive dementia, cortical atrophy and amyloid deposition in the atrophic form of general paresis. There is a significant association between Alzheimer disease (AD) and various types of spirochete (including the periodontal pathogen Treponemas and Borrelia burgdorferi), and other pathogens such as Chlamydophyla pneumoniae and herpes simplex virus type-1 (HSV-1).

Relapse-rate reduction in the initial 2 years of treatment predicted clinical efficacy in subsequent

years.

Conclusion: Based on these observations, we suggest that a 2-year trial period is sufficient to decide on the efficacy of a specific IMT. For those with insufficient relapse reduction in the first 2 years of treatment, a different IMT or other therapeutic approaches should be recommended.”
“Objectives: Assess FGFR inhibitor the overall quality of information on adenotonsillectomy and ear tube surgery presented on YouTube (www.youtube.com) from the perspective of a parent or patient searching for information on surgery.

Methods: The YouTube website was systematically searched on select dates with a formal search strategy to identify videos pertaining to pediatric adenotonsillectomy and ear tube surgery. Only videos with at least 5 (ear tube surgery)

or 10 (adenotonsillectomy) views per day were included. Each video was viewed and scored by two independent scorers. Videos were categorized by goal and scored for video/audio quality, accuracy, comprehensiveness, and procedure-specific content. Study design: Cross-sectional study. Setting: Public domain website.

Results: Fifty-five videos were scored for adenotonsillectomy and forty-seven for ear tube surgery. The most Cilengitide nmr common category was educational (65.3%) followed by testimonial (28.4%), and news program (9.8%). Testimonials were more common for adenotonsillectomy than ear tube surgery (41.8% vs. 12.8%, p = 0.001). Testimonials had a significantly lower mean accuracy (2.23 vs. 2.62, p = 0.02), comprehensiveness (1.71 vs. 2.22, p = 0.007), and TA specific content (0.64 vs. 1.69, p = 0.001) score than educational type videos. Only six videos (5.9%) received high scores in both video/audio quality and accuracy/comprehensiveness of content. There was no significant association between the accuracy and comprehensive score and views, posted “”likes”", posted “”dislikes”", and likes/dislikes ratio. There was an association between “”likes”" and mean video quality (Spearman’s rho = 0.262, p = 0.008).

Conclusion: Parents/patients searching YouTube for information on pediatric adenotonsillectomy and ear tube

surgery will generally encounter low quality information with testimonials being common but of significantly lower quality. Viewer perceived quality (“”likes”") did not correlate to formally scored Small molecule library content quality. Published by Elsevier Ireland Ltd.”
“Aim. We aimed to determine if sitagliptin added to standard postoperative standardized sliding-scale insulin regimens improved blood glucose. Methods. A prospective, randomized, double-blind, placebo-controlled pilot study was conducted in diabetic cardiac surgery patients. Patients received sitagliptin or placebo after surgery for 4 days. The primary endpoint was to estimate the effect of adjunctive sitagliptin versus placebo on overall mean blood glucose in the 4-day period after surgery. Results. Sixtytwo patients participated.

Recent genome-wide association studies in COPD revealed the chromosome 4 region near hedgehog interacting PHA-739358 purchase protein (HHIP).

However, these studies were mostly performed in Caucasians, and additional studies in multiple ethnic groups are needed. We investigated genetic associations of HHIP in Korean COPD and control subjects.

MethodsTwo separate case-control studies were performed. Firstly, 139 subjects with COPD and 199 control subjects were selected from the Soonchunhyang University Bucheon Hospital Biobank. Secondly, 219 individuals with COPD were recruited from the Korean Obstructive Lung Disease (KOLD) cohort. The control subjects consisted of 305 smokers or ex-smokers with normal lung function who were registered

in the Korean Genome Epidemiology Study. Associations between COPD susceptibility and single-nucleotide polymorphism (SNP) genotypes were tested by logistic PFTα chemical structure regression. Associations between lung function and SNP genotypes were tested by linear regression.

ResultsIn the first study, the mean forced expiratory volume in 1s (FEV1) of these COPD subjects was 1.32L. None of 15 SNP was significantly associated with COPD susceptibility. However, four SNP associated significantly with FEV1 in subjects with COPD. In the KOLD cohort study, two SNPs (rs11938704 and rs10013495) near HHIP were significantly associated with FEV1 (P=0.0001 and 0.001, respectively) in subjects with COPD.

ConclusionsGenetic JQ-EZ-05 cost variants in HHIP are associated with lung function in subjects with COPD.”
“The cyclin

dependent kinase inhibitors p21 and p27 are important regulators of cell cycle progression. To analyze their role in the malignant progression of canine mammary tumors expression levels of p27 and p21 and its major regulator p53 were compared in simple adenomas, adenocarcinomas of the mammary gland and lymph node metastases with normal mammary gland. Laser microdissection of tissue samples and real-time PCR were used for quantification of mRNA expression levels. p21 was overexpressed in adenocarcinomas, whereas adenomas and metastases expressed p21 more heterogeneously. Comparison of p21 expression in adenocarcinomas and their metastases revealed a significant decrease in expression in metastases. In contrast, p27 expression was reduced in the adenocarcinomas but heterogeneously expressed in adenomas and metastases. Taken together the results suggest that loss of p21 overexpression is associated with tumor metastasis while reduced cell cycle inhibition by p27 is associated with malignant progression. (C) 2008 Elsevier Ltd. All rights reserved.”
“Acrodermatitis enteropathica is a rare, autosomal recessive condition which results from impaired zinc absorption in the gastrointestinal tract. We report a 16-month-old female patient with a 7-month history of periorificial and acral skin lesions.

Strikingly, an overall decrease in total gene expression was detected, which was both gradual and cumulative. DNA methylation was in part responsible for the expression downregulation of a number of genes. Genes involved in many

pathways such as the extracellular-signal-regulated kinase (ERK) and Bone morphogenetic protein (BMP) pathways exhibited significant changes in expression. Inhibition of ERK pathway did not show dramatic effects in counteracting dedifferentiation process. BMP-2 was able to decelerate the dedifferentiation and reinforce the maintenance of chondrocyte phenotype in monolayer culture.

Conclusion: Our study not only improves our knowledge of the intricate signaling network regulating maintenance of chondrocyte phenotype, but also contributes to improved chondrocyte expansion and chondrogenic performance for cell therapy. (C) 2013 selleck chemicals llc Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.”
“This study was undertaken in order to evaluate possible antioxidative and antiproliferative activities of three Helleborus taxa. The dry leaves and roots of three Helleborus taxa were extracted with ethanol and water. A phytochemical evaluation 3-MA chemical structure of the selected extracts was performed using

spectrophotometric methods and a 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity assay was used for measuring the antioxidative activity of extracts. The antiproliferative activity of the three Helleborus taxa was studied using Burkitt’s lymphoma B cells (BJAB) cell lines. The phytochemical evaluation showed that the leaves contain high levels of total phenolic and flavonoid content. Results from the DPPH assay indicated that the activity of the ethanol and water extracts of the leaves was higher than that of positive control (thymol). Extracts from the roots this website of H. odorus also displayed higher antioxidant activity than

the positive probe, while H. mulifidus and H. hercegovinus root extracts were less effective. A statistically significant correlation between total phenolic content and antioxidative properties indicates that these compounds contribute to the antioxidant activity. The highest percentage of cell growth inhibition was observed when testing the water root extracts of H. multifidus (50.14%) and H. hercegovinus (49.04%). In contrast, the water leaf extract of H. hercegovinus exhibited the lowest inhibition of cell growth (8.59%), although it showed strong antioxidant activity.”
“Objective: Bone morphogenic protein (BMP)-2 and BMP-7 are clinically approved and their recombinant proteins are used for bone tissue regenerative purposes and widely evaluated for cartilage regeneration.

The monolithic three-junction (3J) solar cells presently used in HCPV systems typically consist of two epitaxial III-V homojunctions, such as GaInP and GaInAs, grown on an active Ge substrate by metal-organic chemical vapor deposition (MOCVD). The III-V bandgaps are chosen to match the currents generated in each junction and minimize the energy lost to thermalization of the electron-hole pairs generated,

see more subject to the constraint of approximate lattice matching. We propose using cells consisting of one or more CdTe-based II-VI homojunctions grown on large-area active Si substrates by high-throughput MBE or a less expensive high-vacuum deposition technique as an alternative to III-V based multijunction cells grown by -MOCVD. The bandgap of Si is more optimal than that of Ge for two-junction (2J) or 3J cells, and lattice mismatches affect the efficiencies of such cells only slightly, which allows greater freedom in the choice of bandgaps, and thus the potential for higher efficiencies. Also, such cells could be manufactured Akt inhibitor review at a much lower cost due to the larger area, much lower cost and superior mechanical properties of Si substrates as compared to Ge substrates. The much lower cell cost also would enable medium concentration PV systems that would require more cell area, but with simplified,

less expensive tracking and optics, resulting in lower overall system costs. Promising initial results from material-property measurements and single-junction and 2J CdZnTe/Si cell characterization results are given. Both the promise of the proposed technology and the challenges it faces are discussed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3582902]“
“BACKGROUND:

Growing evidence suggests worse cardiac allograft vasculopathy and mortality in patients with asymptomatic antibody-mediated rejection (AMR). Debate continues about whether therapeutic intervention is warranted to avoid adverse outcomes. In this study we examine the course of individual episodes of untreated asymptomatic AMR on follow-up endomyocardial biopsy (EMB).

METHODS: Metabolism inhibitor The U.T.A.H. Cardiac Transplant Program database was queried for transplant recipients between 1985 and 2009 who survived beyond 1 year and had at least I episode of lone AMR with a follow-up EMB. All EMBs were screened for AMR by immunofluorescence and graded for severity. Data were analyzed based on time from transplant (early, <= 12 months; late, >12 months).

RESULTS: Nine hundred fifty-eight patients with a total of 15,448 biopsies qualified for the study. Average age at transplant was 46.7 years; 13% of the patients were female. Within the first year post-transplant, asymptomatic AMR was diagnosed in 13.6% of biopsies compared with 5.2% beyond 1 year. AMR resolved in 65% (early) vs 75% (late) on follow-up EMB.

Explant liver (n = 9), PBMC (n = 6) and plasma (n = 7) from nine such patients undergoing liver transplantation were evaluated for HBV genomes by sensitive PCR/nucleic acid hybridization assay. Cases with HBV DNA in liver and PBMC were tested for covalently closed circular DNA (HBV cccDNA). HBV polymerase (P) amplicons were cloned, sequenced and both P and overlapping surface (S) gene

sequences were analysed. HBV DNA was detected in 43% (3/7) of plasma, 100% (9/9) of liver and 83% (5/6) of PBMC samples. HBV cccDNA was detected in all liver and one PBMC sample. Four patients had a clinical diagnosis of resistance. HBV P gene sequencing revealed 100% wild type (wt) in plasma (2/2), 83% wt in PBMC (5/6) but livers of 3/9 (33%) contained wt and 6/9 (66%) carried resistance to lamivudine AZD8186 and/or adefovir. The translated S gene revealed no changes affecting HBV antigenicity. Sequences from livers with antiviral resistant mutants revealed greater this website interpatient quasispecies diversity. Despite apparent HBV suppression, the liver continues to support HBV replication and extrahepatic HBV can be detected. PBMC may be a sanctuary for wt virus during antiviral therapy, while the liver harbours more drug-resistant viruses. Drug resistance correlates

with intrahepatic viral diversity.”
“In this work, we present the results of an investigation into the effectiveness of varying ammonium sulphide (NH4)(2)S concentrations in the passivation of n-type and p-type In0.53Ga0.47As. Samples were degreased and immersed in aqueous (NH4)(2)S solutions of concentrations 22%, 10%, 5%, or 1% for 20 min at 295 K, immediately prior to atomic layer deposition of Al2O3. Multi-frequency

capacitance-voltage (C-V) results on capacitor structures indicate that the lowest frequency dispersion over the bias range examined occurs for n-type and p-type devices treated with the 10% (NH4)(2)S GSK1210151A chemical structure solution. The deleterious effect on device behavior of increased ambient exposure time after removal from 10% (NH4)(2)S solution is also presented. Estimations of the interface state defect density (D-it) for the optimum 10% (NH4)(2)S passivated In0.53Ga0.47As devices extracted using an approximation to the conductance method, and also extracted using the temperature-modified high-low frequency C-V method, indicate that the same defect is present over n-type and p-type devices having an integrated D-it of similar to 2.5 x 10(12) cm(-2) (+/- 1 x 10(12) cm(-2)) with the peak density positioned in the middle of the In0.53Ga0.47As band gap at approximately 0.37 eV (+/- 0.03 eV) from the valence band edge. Both methods used for extracting D-it show very good agreement, providing evidence to support that the conductance method can be applied to devices incorporating high-k oxides on In0.53Ga0.47As. (C) 2011 American Institute of Physics. [doi: 10.1063/1.