We have calculated local moments using the locally self-consisten

We have calculated local moments using the locally self-consistent multiple scattering (LSMS) method for a supercell containing a screw-dislocation quadrupole. Finite size effects are found to be significant indicating that dislocation cores affect the electronic structure and magnetic moments of neighboring dislocations. The influence of neighboring dislocations points to a need to study individual dislocations from first principles just as they appear amid surrounding GSK2126458 in vivo atoms in large-scale classical force field simulations. An approach for the use of the LSMS to calculate local moments in subvolumes of large atomic configurations

generated in the course of classical molecular dynamics simulation of dislocation dynamics is discussed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3562217]“
“Background: Phrenic stimulation (PS) may cause intolerable symptoms and prevent CRT delivery in 2-5% of patients. We sought to ensure effective cardiac resynchronization therapy (CRT) delivery by management of PS at the left ventricular (LV) target site.


and Results: Two hundred and eleven consecutive patients received a CRT device despite PS occurrence at the LV target site at implantation, when a PS-LV difference >2V was achieved by LV stimulation programming (cathode, pacing vector). PS management strategy both at implantation and at follow-up (FU) Selleckchem GW786034 aimed to keep the target LV implantation site. LV reverse remodeling was assessed by echocardiography before PLX4032 implantation and at follow-up. LV lead placement was lateral/posterolateral in all the 211 patients; 51 of 211 had detectable PS at FU, 26 of 211 (12.3%) were symptomatic. Symptoms occurred

more frequently when PS-LV difference was <3V (16/16 vs 10/35, P < 0.001). Cathode and pacing vector reprogramming improved the PS-LV difference and symptoms in 14 of 23 patients. LV output as threshold +0.5V was helpful to manage PS symptoms in patients with a PS-LV <= 2V at FU. Median FU was 34.9 (16-50) months: 12 patients had tolerable PS symptoms, 76% (39/51) were objective responders at echocardiography compared to 74% (119/160) in patients without PS (P = NS).

Conclusions: CRT delivery at long term is feasible despite PS at the target LV site. PS management is mandatory in about 12.3% of patients at FU, with 6.6% remaining symptomatic. Symptoms improve at FU when a PS-LV >3V is achieved. Further improvement in lead manufacturing and pacing electronics are awaited to meet this clinical need. (PACE 2011; 34:1201-1208)”
“Helicobacter pylori colonizes a large proportion of the world’s population, with infection invariably leading to chronic, lifelong gastritis.

Median progression-free survival for first-line chemotherapy was

Median progression-free survival for first-line chemotherapy was 3.97 months (95% CI 2.055.89) with an overall response rate of 26%. After the first-line chemotherapy, only 18 of 56 (32%) patients received second-line chemotherapy. The median overall survival (OS) was 12.4 months (95% CI 2.8121.99). In multivariate analysis, receiving surgery

and disease control for first-line chemotherapy were independent prognostic factors for increased OS for all 56 patients. Conclusion: Patients older =70 years with metastatic or recurrent gastric cancer might achieve clinical benefit from chemotherapy. Receiving surgery and response of over more stable disease for first-line chemotherapy were independent prognostic factors for increased OS.”
“Cardiovascular (CV) response to mental stress, a predictor of CV disease risk, may STI571 mw be determined already in utero. However, the underlying mechanisms remain unclear, and previous studies have used adult subjects and neglected CV recovery. We investigated 147 girls and 136 boys aged 8 years who underwent the Trier Social Stress Test for children to determine whether body size at birth is associated with CV activity. Blood pressure (BP), electrocardiogram and impedance-derived indices were recorded and analyzed from continuous measurements using Vasotrac APM205A and Biopac MP150 systems. Among girls, lower birth weight

was associated with lower baseline systolic BP (SBP) and diastolic BP (DBP) values (1.9 mm Hg and 1.5 Bucladesine mm Hg per 1 s.d. birth weight for gestational age, respectively), higher SBP and DBP response to mental stress (1.6 mm Hg and 1.1 mm Hg per 1 s.d. birth weight for gestational age, respectively), slower BP recovery and overall higher cardiac sympathetic activity. In contrast, among boys lower birth weight was associated with higher baseline levels of SBP (2.1 mm Hg per 1 s.d. birth weight for gestational age) and total peripheral resistance (TPR), overall lower cardiac

sympathetic activity, lower TPR response to mental stress and a more GSI-IX supplier rapid BP and cardiac sympathetic recovery. In boys, the associations with baseline levels and cardiac sympathetic activity became significant only after adjusting for current body size. These sex-specific results suggest that individual differences in childhood CV response to and recovery from mental stress may have prenatal origins. This phenomenon may be important in linking smaller body size at birth to adult CV disease. Journal of Human Hypertension (2011) 25, 231-240; doi:10.1038/jhh.2010.55; published online 10 June 2010″
“The aim of this study was to assess the metabolic fate of AA (endogenous or export protein synthesis, gluconeogenesis, or oxidation) after an imbalanced supply of energy and N in the diet of growing lambs. Eighteen INRA 401 lambs (3 mo old, 29.7 +/- 0.

Each enantiomer

Each enantiomer Duvelisib of 2 was purified by preparative reversed-phase high performance liquid chromatography in a single operation. (RS)-2 was methylated with CH3I and K2CO3 in MeCN, yielding

(RS)-1. (R)-JH III-d3 [(R)-3], a single-enantiomer internal standard for quantification, was prepared from (R)-2 with CD3I and K2CO3 in MeCN.”
“As a part of our continuing interest in identifying anticancer drug leads from natural sources, we have investigated the in vitro growth inhibitory effects of the hexane fraction of the root bark of Calotropis procera (Ait) R. Br. (Asclepiadaceae). This study reports the isolation and structure elucidation of four new ursane-type triterpenes named calotroprocerol A (1), calotroproceryl acetate A (2), calotroprocerone A (3) and calotroproceryl acetate B (4) in addition to five known compounds including pseudo-taraxasterol acetate (5), taraxasterol (6), calotropursenyl acetate B (7), stigmasterol (8) and (E)-octadec-7-enoic acid (9). Their structures were established on the basis of 1D and 2D NMR studies (H-1-H-1 COSY, HSQC, and HMBC) and HRMS

spectral data. The in vitro growth inhibitory activity of the isolated compounds was evaluated against three human cancer cell lines including the A549 non-small cell lung cancer (NSCLC), the U373 glioblastoma (GBM) and the PC-3 prostate cancer cell lines. (C) 2012 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.”
“Pancreatic cancer remains the fourth leading cause of cancer-related deaths in the United States. Risk factors include family history, smoking, AZD6738 clinical trial chronic pancreatitis, obesity, diabetes mellitus, heavy alcohol use, and possible dietary factors. Because more than two-thirds of adenocarcinomas occur in the head of the pancreas, abdominal pain, jaundice, pruritus, dark urine, and acholic stools may be presenting symptoms.

In symptomatic patients, the serum tumor marker cancer antigen 19-9 can be used to confirm the diagnosis and to predict prognosis and recurrence after resection. Autophagy inhibitor Pancreas protocol computed tomography is considered standard for the diagnosis and staging of pancreatic cancer. Although surgical resection is the only potentially curative treatment for pancreatic ductal adenocarcinomas, less than 20% of surgical candidates survive five years. The decision on resectability requires multidisciplinary consultation. Pancreatic resections should be performed at institutions that complete at least 15 of the surgeries annually. Postoperatively, use of gemcitabine or fluorouracil/leucovorin as adjuvant chemotherapy improves overall survival by several months. However, more than 80% of patients present with disease that is not surgically resectable. For patients with locally advanced or metastatic disease, chemoradiotherapy with gemcitabine or irinotecan provides clinical benefit and modest survival improvement.

All OsHsf genes induced by oxidative stress were also induced by

All OsHsf genes induced by oxidative stress were also induced by high temperature. On the other hand, induction of 6 and 1 OsHsf genes was noted to be exclusive to high and low temperature stresses, respectively. Seven OsHsf genes showed induced expression in selleck chemicals response to all the three stresses examined. While in silico promoter analysis showed that OsHsf genes contain upstream regulatory elements corresponding to different abiotic stresses, there was lack of correlation noted between the in silico profiling of the elements and their corresponding transcript expression patterns. Apart from stress inducibility, EST database suggests that various OsHsf genes are developmentally

regulated in diverse tissue types. (C) 2009 Elsevier Masson SAS. All rights reserved.”
“Background: A high level of genetic stability has been formerly identified in segments of the gene coding for the liver stage antigen-3 (LSA-3), a subunit vaccine candidate against Plasmodium falciparum. The exploration

of lsa-3 polymorphisms was extended to the whole sequence of this large antigen in 20 clinical isolates from four geographical areas; Senegal, Comoro islands, Brazil and Thailand.

Methods: The whole 4680 bp genomic sequence of lsa-3 was amplified by polymerase chain reaction and sequenced. The clinical isolate sequences were aligned on the sequence of the laboratory reference P. falciparum strain 3D7.

Results: The non-repeated sequence of lsa-3 was very well conserved with only a few allelic variations buy GKT137831 scattered along the sequence. Interestingly, a formerly identified immunodominant region, employed for the majority of pre-clinical vaccine development, was totally

conserved at the genetic level. The most significant variations observed were in PD-1/PD-L1 inhibitor the number and organization of tetrapeptide repeated units, but not in their composition, resulting in different lengths of these repeated regions. The shorter repeated regions were from Brazilian origin. A correlation between the geographical distribution of the parasites with single nucleotide polymorphisms was not detected.

Conclusion: The lack of correlation between allelic polymorphisms with a specific transmission pressure suggests that LSA-3 is a structurally constrained molecule. The unusual characteristics of the lsa-3 gene make the molecule an interesting candidate for a subunit vaccine against malaria.”
“The emergence of new infectious bronchitis virus (IBV) genotypes or serotypes along with the poor cross-protection observed among IBV serotypes have complicated the avian infectious bronchitis (IB) control programs in different geographic regions. In Cuba, the lack of genetic information regarding IBV and the increasing epidemiological importance of this virus in Cuban chicken flocks demand further characterization of IBV isolates. In the present work, studies of genetic diversity and phylogenetic relationships among recent IBV isolates from Cuban chicken flocks showing respiratory disorders were performed.

Autoantibodies, targeting myeloperoxidase,

the bactericid

Autoantibodies, targeting myeloperoxidase,

the bactericidal/permeability-increasing protein and calgranulin may further compromise pathogen defence. Short consensus sequences, within immunogenic extracellular regions of the CFTR protein, are homologous to proteins expressed by P. aeruginosa, S. aureus and S. maltophilia, and to several autoantigens, with a universal overlap between autoantigen/pathogen/CFTR consensi. Antibodies to pathogens are see more thus likely responsible for the creation of these autoantibodies, which, with pathogen antibodies, may target the CFTR protein acting as antagonists, further compromising its function. This creates a feedforward cycle, diminishing the function of the CFTR protein and increasing the probability of pathogen accumulation and antibody production at every turn. Interruption of this cycle by antibody adsorption or immunosuppressant therapy

may be beneficial in cystic fibrosis.”
“Purpose: To determine the effect of partial versus complete leiomyoma infarction on relief of leiomyoma-related symptoms and freedom from invasive reinterventions and to assess if patient age, location of the dominant leiomyoma, number of leiomyomas, or baseline uterine and dominant leiomyoma S3I-201 volume were associated with clinical failure.

Materials and Methods: Study protocol was approved by the institutional review board, and informed consent was obtained. One hundred fifteen consecutive

women (median age, 42 years; range, 34-61 years) with symptomatic this website uterine leiomyomas underwent contrast material-enhanced magnetic resonance (MR) imaging at baseline and 24-72 hours after uterine artery embolization (UAE) to determine the percentage of infarction of leiomyoma tissue (complete = 100%, almost complete = 90%-99%, and partial = 0%-89%). Clinical outcome and frequency of reinterventions were compared for up to 36 months.

Results: One hundred thirteen patients completed at least one clinical follow-up. Twenty-four months after UAE, 50% +/- 15.2 (standard error) of the patients with partial infarction and 80% +/- 13.4 (standard error) of patients with almost complete infarction had undergone no reintervention. No patient with complete infarction needed a second treatment (P < .001). The hazard ratios for reintervention between the complete infarction group and the almost complete and partial infarction groups were 15.88 (95% confidence interval [CI]: 1.22, 2225.54; P = .034) and 73.08 (95% CI: 8.33, 9636.35; P,.001), respectively. There were significant differences in hazard ratios between patients with partial and those with complete infarction for persistence or recurrence of menorrhagia (hazard ratio, 7.45; 95% CI: 2.08, 28.31; P = .002) and bulk-related symptoms (hazard ratio, 5.90; 95% CI: 1.66, 21.92; P =.007).

2 years We diagnosed infection with H pylori by measuring serum

2 years. We diagnosed infection with H. pylori by measuring serum H. pylori-IgG antibodies in all 25 patients, and we

performed gastric biopsy in 17 patients. They were all negative for H. pylori-IgG antibody (0/25) and H. pylori on gastric biopsy (0/17). Although the prevalence of H. pylori infection (70-80 %) in our age-matched controls in Japan is higher than the prevalence in similar populations click here in western countries, we believe that type A gastritis with PA is very poorly associated with H. pylori infection.”
“The chemical composition and biological activity of three parts (rind, flesh and seeds) of pumpkin fruits (Cucurbita pepo L.) cultivated in Egypt were studied. Chemical analysis of fibre, protein, beta-carotene, carbohydrates, minerals and fatty acids present in the rind, flesh, seeds and defatted seeds

meal was conducted. Chemical, GC-MS and biological assays of organic extracts of the main fruit parts, rind and flesh established their unique constituents. Chromatographic purification of the extracts afforded triglyceride fatty acid mixture (1), tetrahydro-thiophene (2), linoleic acid (3), calotropoleanly ester (4), cholesterol (5) and 13(18)-oleanen-3-ol (6). GC-MS analysis of the extract’s unpolar fraction revealed the existence of dodecane and tetradecane. Structures of the isolated compounds BV-6 datasheet (1-6) were confirmed by NMR and EI-MS spectrometry. Antimicrobial, antiviral and antitumour activities of the fruit parts were discussed. The promising combined extract of rind and flesh was biologically studied for microbial and cytotoxic activities in comparison with the whole isolated components.”
“During chemotherapy, patients are more susceptible to infectious complications as a result of bone marrow suppression, leading to neutropenia. The purpose of this study is to investigate risk factors for Wnt inhibition refractory febrile neutropenia (FN) during urological

chemotherapy. Our method for suppressing FN is to use granulocyte colony-stimulating factor and prevent upper respiratory infection by masking and gargling. We studied 47 episodes of FN in 39 patients that occurred during urological chemotherapy for urothelial cancer, testicular cancer, and prostate cancer. Among our cases, there were 5 patients with refractory FN; we set risk factors for refractory FN and performed statistical analyses. The average age of the 39 patients was 60.6 years (range, 18-80 years). In 47 FN episodes, the chemotherapy regimen before the occurrence of FN included 15 (31.9 %) MVAC (methotrexate, vinblastine, adriamycin, cisplatin) for urothelial cancer, 5 (10.6 %) DE (docetaxel, estramustin) for prostate cancer, and 3 (6.4 %) TIP (paclitaxel, ifosfamide, cisplatin) for testicular cancer. The antibiotics used to treat FN included 17 (36.3 %) meropenem and 23 (49.0 %) cefepime, and the average duration of antibiotics was 4.

Size-dependence measurement

lets us know that the effect

Size-dependence measurement

lets us know that the effect occurs near the surface of nanostructures, and the power-dependent measurement further confirms the underlying mechanism we proposed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3590152]“
“Two new indole alkaloids, 2-(3,3-dimethylprop-1-ene)-costaclavine (1) and 2-(3,3-dimethylprop-1-ene)-epicostaclavine (2), together with the known compounds costaclavine (3), fumgaclavine A (4) and C (5), were isolated from the marine-derived fungus Aspergillus fumigatus. The planar structures of the two new compounds were elucidated on the basis of chemical and physicochemical evidence including MS, UV, IR and NMR spectra. Their stereochemistry was studied by NOESY, H-1-H-1 coupling constant and see more CD spectra. The compounds 1, 2, 3 and 5 showed weak cytotoxicity against a mouse leukemia cell line (P388).”
“Lupus nephritis (LN) is a common secondary glomerular

disease with diverse clinical manifestations and pathology. We retrospectively analyzed the clinical manifestations and pathology of 82 hospitalized LN patients (73 females and nine males) during February 2004 to February 2009. The mean age at disease onset of male patients was much younger than female patients (27.6 +/- 6.8 vs. 35.5 +/- 13.9). The kidney biopsy showed that more than 50% was IV-type LN. The II- and III-type LN were also common; their clinical manifestations were common in nephritic Epigenetics inhibitor syndrome and (or) asymptomatic urinary abnormalities, whereas IV- and V-type LN usually presented nephrotic syndrome. Simultaneously, we investigated CP-456773 molecular weight that the highest incidence rates of anemia and chronic renal failure were observed in IV- and IV + V-type LN. What was more, we found that serum creatinine level was higher; the interstitial involvement was more severe with renal biopsy. The serum creatinine

level and renal interstitial lesions were positively correlated. Our study showed that the different pathologic phenotypes of LN were correlated with the specific clinical manifestations. However, the conclusion should be confirmed by large-scale prospective research.”
“Scattering of coherent light from scattering particles causes phase shift to the scattered light. The interference of unscattered and scattered light causes the formation of speckles. When the scattering particles, under the influence of an ultrasound (US) pressure wave, vibrate, the phase shift fluctuates, thereby causing fluctuation in speckle intensity. We use the laser speckle contrast analysis (LSCA) to reconstruct a map of the elastic property (Young’s modulus) of soft tissue-mimicking phantom. The displacement of the scatters is inversely related to the Young’s modulus of the medium. The elastic properties of soft biological tissues vary, many fold with malignancy.

We hypothesized that the CPR performed would often not achieve 20

We hypothesized that the CPR performed would often not achieve 2010 Pediatric Basic Life Support (BLS) Guidelines, but would improve with the addition of audiovisual feedback.

Methods: Prospective

observational cohort evaluating CPR quality during chest compression (CC) events in children between 1 and 8 years of age. CPR recording defibrillators collected CPR data (rate (CC/min), depth (mm), CC fraction (CCF), leaning (%> 2.5 kg.)). Audiovisual CP-456773 feedback was according to 2010 Guidelines in a subset of patients. The primary outcome, “”excellent CPR”" was defined as a CC rate >= 100 and <= 120 CC/min, depth >= 50 mm, CCF >0.80, and <20% of CC with leaning.

Results: 8 CC events resulted in 285 thirty-second epochs of CPR (15,960 CCs). Percentage of epochs achieving targets was 54% (1531285) for rate, 19% (541285) for depth, 88% (2501285) for CCF, 79% (2261285) for leaning, and 8% (241285) for excellent CPR. The median learn more percentage of epochs per event achieving targets increased with audiovisual feedback for

rate [88 (IQR: 79, 94) vs. 39 (IQR 18, 62) %; p = 0.043] and excellent CPR [28 (IQR: 7.2, 52) vs. 0 (IQR: 0,1) %; p = 0.018].

Conclusions: In-hospital pediatric CPR often does not meet 2010 Pediatric BLS Guidelines, but compliance is better when audiovisual feedback is provided to rescuers. (C) 2013 Elsevier Ireland Ltd. All rights reserved.”
“Contents Selleck Crenolanib Progesterone exerts its effect by binding to specific progesterone receptors (PR) within the cell. In dogs and cats, no data are available

on PR isoforms as found in other species. We therefore investigated the sequence of the PR gene and encoded protein in dogs and cats, the expression of PR isoforms in mammary tissue using Western blots and the presence of PR in mammary tissue using immunohistochemistry. Comparison of the amino acid sequence of the canine and feline PR with human PR revealed major differences in the PR-B-specific upstream segment (BUS). However, the essential activation function 3 (AF3) domain was intact in the cat but mutated in the dog. The DNA and ligand-binding domains were highly similar among the species. In cats with fibroadenomatous hyperplasia (FAH), high expression of PR mRNA together with growth hormone (GH), GH receptor (GHR) and IGF-I mRNA was found in comparison with feline mammary carcinomas. Immunohistochemical analysis showed strong nuclear as well as cytoplasmic staining for PR in FAH. Western blot analysis revealed expression of the PR-A and PR-B isoforms in the feline mammary gland. In canine mammary tissue, the most abundant PR staining was found in proliferative zones of the mammary gland. Western blot analyses showed mainly staining for PR-A with lower PR-B staining. It is concluded that in dogs and cats both PR isoforms are expressed. The role of mutations found in the canine PR-B is discussed.

Bevacizumab combination therapy had a generally acceptable tolera

Bevacizumab combination therapy had a generally acceptable tolerability profile in these studies, with the nature of adverse events generally similar to that observed in previous clinical trials in patients

with other solid tumors. Although several unanswered questions remain, such as the optimal dosage and duration of treatment, current evidence suggests that bevacizumab combination therapy extends the treatment options available for patients with ovarian cancer.”
“Iron oxide nanoparticles were synthesized via reverse micelle methods. The initial iron concentration was varied, while maintaining all other parameters constant, in order to investigate the effect check details of the iron concentration on the resultant iron oxide nanoparticle size. Increasing the iron concentration from 0.125M to 0.5M yielded an increase in average nanoparticle diameter from 4.71 to 7.95 nm, as measured by transmission electron microscopy. Three other concentrations between 0.125M and 0.5M showed corresponding size variations,

all with statistical significance. Magnetic characterization by vibrating sample magnetometry selleck compound and powder x-ray diffraction was performed to verify proper phase and material. Further insight into the reverse micelle method was acquired along with the ability to tune the nanoparticle size. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3075983]“
“A series of 6-aryl-5-cyano-2-thiouracil derivatives (1a-d) was synthesized by the reaction of ethyl cyanoacetate with thiourea and aldehydes. These products were see more used as intermediate compounds for the synthesis of a number of thiouracil derivatives (2a-d to 10a-d). All compounds were screened for antibacterial and antifungal activities. Some of the prepared compounds, 6-(4-fluorophenyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide-(2a), 4-oxo-2-thioxo-6-(3,4,5-trimethoxyphenyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide

(2d), 6-(4-fluorophenyl)- 4-hydrazino-2-thioxo-1,2-dihydropyrimidine-5-cabonitrile (7a) and 4-hydrazino-2-thioxo-6-(3,4,5-trimethoxyphenyl)-1,2-dihydropyrimidine-5-carbonitrile (7d) revealed promising antimicrobial activity.”
“Human immune globulin (IG) 10 % liquid (Gammagard Liquid((R))) is a ready-to-use, highly purified, and concentrated immunoglobulin (Ig)G solution approved in the US for both intravenous and subcutaneous antibody replacement therapy in patients aged >= 2 years with primary humoral immunodeficiency. Intravenous IG 10 % liquid every 3-4 weeks for >= 12 months, at median serum IgG trough levels of 9.6-11.2 g/L, completely prevented acute serious bacterial infections (SBIs) in a phase III clinical trial.

Immunoblotting was used to evaluate matrix metalloproteinase-2, m

Immunoblotting was used to evaluate matrix metalloproteinase-2, matrix metalloproteinase-9, connexin 40, connexin 43, and connexin 45 expression in cardiac tissue. Animals fed Hcy showed significant prolongation of QRS, QTc, and PR intervals along with reduced left ventricular function. Western blotting showed increased expression of matrix metalloproteinase-2, matrix metalloproteinase-9 and decreased expression of connexin 40, 43, and 45.

Conclusion: Hcy has been

identified as a nutritional factor contributing to cardiovascular disease. Cardiac remodeling induced by matrix metalloproteinase-2 and matrix metalloproteinase-9 and decreased expression of connexin 40, 43, and 45 appears to play a role in the pathomechanism of atrioventricular conduction delay and ventricular dilatation in hyperhomocysteinemia. (C) 2009 Elsevier C188-9 purchase B. V. All rights reserved.”
“The rise in obesity rates, both nationally and internationally, is a result of changes in the environment that have simultaneously lowered the cost of food production, lowered the time and monetary cost of food consumption, increased the real cost of being physically active at work and at home, and decreased the health consequences that result from

obesity by bringing GSK1210151A mouse a host of new drugs and devices to the market to better manage the adverse health effects that obesity promotes. This changing Autophagy Compound Library cell line environment

is in response to consumers’ demand for labor-saving technology and convenient, affordable food. To be successful, efforts to combat obesity therefore need to recognize and address these realities. Am J Clin Nutr 2010;91(suppl):1520S-4S.”
“We propose a nanoscale switch, giving a nonlinear function with two conductive states separated by a sharp transition region, on the basis of an array of molecular dipoles. We show theoretically that the local interactions between dipoles result in cooperative phenomena that can significantly improve the switching characteristics. We demonstrate the general validity of the concept in the cases of (i) an electrical switch robust to the finite size and variability effects inherent to the nanoscale and (ii) a sensing layer based on the voltage and ligand concentration dependence of the dipole array conductance. (c) 2011 American Institute of Physics. [doi:10.1063/1.3549144]“
“Background and aims: Recent studies suggest that calcium metabolism and perhaps other components of dairy products may contribute to shifting the energy balance and thus play a role in weight regulation. We compared the effects of cows’ milk, calcium fortified soy milk and calcium supplement on weight and body fat reduction in premenopausal overweight and obese women.