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https://www.readbyqxmd.com/read/28528955/potential-therapeutic-activity-of-phlogacanthus-thyrsiformis-hardow-mabb-flower-extract-and-its-biofabricated-silver-nanoparticles-against-chemically-induced-urolithiasis-in-male-wistar-rats
#1
Poppy Das, Kiran Kumar, Arunai Nambiraj, Reshma Rajan, Rajendra Awasthi, Kamal Dua, Himaja M
Urolithiasis is a painful disorder in which stones are formed in the kidney, bladder or urethra. There are no proper therapeutic treatments available for kidney stones and people suffering from larger stones have to undergo surgery which has many side effects. A natural remedy with therapeutic effects that can dissipate and remove even the larger stones would eliminate the need of a surgery and the risks associated with it. The flowers of Phlogacanthus thyrsiformis used in culinary recipes in the north eastern India are also widely used as a folklore medicine for the treatment of kidney stones and liver disorders...
May 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28480527/source-determination-of-red-gel-pen-inks-using-raman-spectroscopy-and-attenuated-total-reflectance-fourier-transform-infrared-spectroscopy-combined-with-pearson-s-product-moment-correlation-coefficients-and-principal-component-analysis
#2
Muhammad Naeim Mohamad Asri, Wan Nur Syuhaila Mat Desa, Dzulkiflee Ismail
The potential combination of two nondestructive techniques, that is, Raman spectroscopy (RS) and attenuated total reflectance-fourier transform infrared (ATR-FTIR) spectroscopy with Pearson's product moment correlation (PPMC) coefficient (r) and principal component analysis (PCA) to determine the actual source of red gel pen ink used to write a simulated threatening note, was examined. Eighteen (18) red gel pens purchased from Japan and Malaysia from November to December 2014 where one of the pens was used to write a simulated threatening note were analyzed using RS and ATR-FTIR spectroscopy, respectively...
May 8, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28456305/target-site-and-non-target-site-resistance-mechanisms-to-als-inhibiting-herbicides-in-papaver-rhoeas
#3
Jordi Rey-Caballero, Julio Menéndez, Maria D Osuna, Marisa Salas, Joel Torra
Target-site and non-target-site resistance mechanisms to ALS inhibitors were investigated in multiple resistant (tribenuron-methyl and 2,4-D) and only 2,4-D resistant, Spanish corn poppy populations. Six amino-acid replacements at the Pro197 position (Ala197, Arg197, His197, Leu197, Thr197 and Ser197) were found in three multiple resistant populations. These replacements were responsible for the high tribenuron-methyl resistance response, and some of them, especially Thr197 and Ser197, elucidated the cross-resistant pattern for imazamox and florasulam, respectively...
May 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28455458/an-interesting-case-of-opium-tea-toxicity
#4
Chitsa Seyani, Peregrine Green, Lisa Daniel, Amanda Pegden
We present an unusual cause of respiratory arrest resulting from sole ingestion of home-brewed opium tea. A 64-year-old woman was found unresponsive and in respiratory arrest by a first responder. There were no obvious signs of regular recreational drug use. On presentation to the local district general hospital, the patient was in extremis, with severe physiological and biochemical derangements. A naloxone infusion was commenced and she later made a good recovery. It was subsequently discovered that she had brewed opium tea from opium buds she had picked from a nearby commercial poppy farm, a practice she had learnt while in Afghanistan...
April 28, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28453661/photoreceptor-outer-segment-as-a-sink-for-membrane-proteins-hypothesis-and-implications-in-retinal-ciliopathies
#5
Seongjin Seo, Poppy Datta
The photoreceptor outer segment (OS) is a unique modification of the primary cilium, specialized for light perception. Being homologous organelles, the primary cilium and the OS share common building blocks and molecular machinery to construct and maintain them. The OS, however, has several unique structural features that are not seen in primary cilia. Although these unique features of the OS have been well documented, their implications in protein localization have been under-appreciated. In this review, we compare the structural properties of the primary cilium and the OS, and propose a hypothesis that the OS can act as a sink for membrane proteins...
April 26, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28450844/stimulus-control-over-action-for-food-in-obese-versus-healthy-weight-individuals
#6
Poppy Watson, Reinout W Wiers, Bernhard Hommel, Victor E A Gerdes, Sanne de Wit
In the current study we examined an associative learning mechanism by which food cues (signaling low- versus high-calorie food) can bias instrumental responses directed toward those foods. To investigate the clinical relevance of this mechanism, we used a computerized Pavlovian-to-instrumental transfer task and compared performance of 19 severely obese individuals to that of 19 healthy-weight controls matched for age, education and gender. During the response-priming test we exposed participants to both food pictures and to Pavlovian cues predictive of those food pictures, and examined their biasing effect on instrumental choice...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28447334/-1-h-nmr-1-h-nmr-t2-edited-and-2d-nmr-in-bipolar-disorder-metabolic-profiling
#7
Sumit Sethi, Mariana Pedrini, Lucas B Rizzo, Maiara Zeni-Graiff, Caroline Dal Mas, Ana Cláudia Cassinelli, Mariane N Noto, Elson Asevedo, Quirino Cordeiro, João G M Pontes, Antonio J M Brasil, Acioly Lacerda, Mirian A F Hayashi, Ronei Poppi, Ljubica Tasic, Elisa Brietzke
BACKGROUND: The objective of this study was to identify molecular alterations in the human blood serum related to bipolar disorder, using nuclear magnetic resonance (NMR) spectroscopy and chemometrics. METHODS: Metabolomic profiling, employing (1)H-NMR, (1)H-NMR T2-edited, and 2D-NMR spectroscopy and chemometrics of human blood serum samples from patients with bipolar disorder (n = 26) compared with healthy volunteers (n = 50) was performed. RESULTS: The investigated groups presented distinct metabolic profiles, in which the main differential metabolites found in the serum sample of bipolar disorder patients compared with those from controls were lipids, lipid metabolism-related molecules (choline, myo-inositol), and some amino acids (N-acetyl-L-phenyl alanine, N-acetyl-L-aspartyl-L-glutamic acid, L-glutamine)...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28444823/dissociable-corticostriatal-circuits-underlie-goal-directed-versus-cue-elicited-habitual-food-seeking-after-satiation-evidence-from-a-multimodal-mri-study
#8
Henk van Steenbergen, Poppy Watson, Reinout W Wiers, Bernhard Hommel, Sanne de Wit
The present multimodal MRI study advances our understanding of the corticostriatal circuits underlying goal-directed versus cue-driven, habitual food seeking. To this end, we employed a computerized Pavlovian-instrumental transfer (PIT) paradigm. During the test phase, participants were free to perform learnt instrumental responses (left and right key presses) for popcorn and Smarties outcomes. Importantly, prior to this test half of the participants had been sated on popcorn and the other half on Smarties - resulting in a reduced desirability of those outcomes...
April 26, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28411561/selective-attention-moderates-the-relationship-between-attentional-capture-by-signals-of-nondrug-reward-and-illicit-drug-use
#9
Lucy Albertella, Jan Copeland, Daniel Pearson, Poppy Watson, Reinout W Wiers, Mike E Le Pelley
BACKGROUND: The current study examined whether cognitive control moderates the association between (non-drug) reward-modulated attentional capture and use of alcohol and other drugs (AOD). METHODS: Participants were 66 university students who completed an assessment including questions about AOD use, a visual search task to measure value-modulated attentional capture, and a goal-directed selective attention task as a measure of cognitive control. RESULTS: The association between the effect of value-modulated attentional capture and illicit drug use was moderated by level of cognitive control...
March 30, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28406315/selective-boron-delivery-by-intra-arterial-injection-of-bsh-wow-emulsion-in-hepatic-cancer-model-for-neutron-capture-therapy
#10
Hironobu Yanagie, Novriana Dewi, Syushi Higashi, Ichiro Ikushima, Koji Seguchi, Ryoji Mizumachi, Yuji Murata, Yasuyuki Morishita, Atsuko Shinohara, Shoji Mikado, Nakahiro Yasuda, Mitsuteru Fujihara, Yuriko Sakurai, Kikue Mouri, Masashi Yanagawa, Tomoya Iizuka, Minoru Suzuki, Yoshinori Sakurai, Shin-Ichiro Masunaga, Hiroki Tanaka, Takehisa Matsukawa, Kazuhito Yokoyama, Takashi Fujino, Koichi Ogura, Yasumasa Nonaka, Hirotaka Sugiyama, Tetsuya Kajiyama, Sho Yui, Ryohei Nishimura, Koji Ono, Sinichi Takamoto, Jun Nakajima, Minoru Ono, Masazumi Eriguchi, Kenichiro Hasumi, Hiroyuki Takahashi
OBJECTIVE: Boron neutron-capture therapy (BNCT) has been used to inhibit the growth of various types of cancers. In this study, we developed a (10)BSH-entrapped water-in-oil-in-water (WOW) emulsion, evaluated it as a selective boron carrier for the possible application of BNCT in hepatocellular carcinoma (HCC) treatment. METHODS: We prepared the (10)BSH-entrapped WOW emulsion using double emulsification technique and then evaluated the delivery efficacy by performing biodistribution experiment on VX-2 rabbit hepatic tumour model with comparison to iodized poppy-seed oil (IPSO) mix conventional emulsion...
April 13, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28397781/measurement-of-the-cosmic-optical-background-using-the-long-range-reconnaissance-imager-on-new-horizons
#11
Michael Zemcov, Poppy Immel, Chi Nguyen, Asantha Cooray, Carey M Lisse, Andrew R Poppe
The cosmic optical background is an important observable that constrains energy production in stars and more exotic physical processes in the universe, and provides a crucial cosmological benchmark against which to judge theories of structure formation. Measurement of the absolute brightness of this background is complicated by local foregrounds like the Earth's atmosphere and sunlight reflected from local interplanetary dust, and large discrepancies in the inferred brightness of the optical background have resulted...
April 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28382919/-doping-relevant-substances-in-horse-feed
#12
C Herholz, N Zink, H Laska, M Gumpendobler, C Trolliet, S Probst
Horse feed material of Swiss and foreign production available on the Swiss market was tested with regard to possible contamination with 7 different alkaloids, atropine and colchicine. Twenty-eight feed samples as well as 2 poppy seed samples were analyzed. Out of 28 feed samples 18 were positive for prohibited substances in Equestrian sports. The concentration of prohibited substances was in none of the samples high enough to cause an effect on the body of the horse. The poppy seed sample, which was obtained by conventional harvesting and cleaning methods, contained a very high Morphine concentration compared to the sample which was harvested by hand...
April 2017: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/28371452/chemotaxonomic-study-of-chrysobalanus-icaco-linnaeus-chrysobalanaceae-using-ultra-high-performance-liquid-chromatography-coupled-with-diode-array-detection-fingerprint-in-combination-with-multivariate-analysis
#13
Nádia Elígia Nunes Pinto Paracampo, Ghillean Tolmie Prance, Ronei Jesus Poppi, José Alberto Fracassi da Silva
We investigated a strategy for the chemotaxonomy study of Chrysobalanus icaco Linnaeus (Chrysobalanaceae) based on ultra-high performance liquid chromatography coupled with diode array detection fingerprint in combination with multivariate analysis. Two models using principal component analysis and partial least squares discriminant analysis were developed, and the samples could be successfully classified into two classes: Class 1 (red morphotype) and Class 2 (white and black morphotypes). Furthermore, ultra-high performance liquid chromatography coupled with diode array and electrospray ionization tandem mass spectrometry was used to identify the main compounds responsible for class separation...
March 29, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28355655/coronary-artery-bypass-surgery-in-diffuse-advanced-coronary-artery-disease-1-year-clinical-and-angiographic-results
#14
Luciana Oliveira Cascaes Dourado, Marcio Sommer Bittencourt, Alexandre Costa Pereira, Nilson Tavares Poppi, Luis Alberto Oliveira Dallan, José Eduardo Krieger, Luiz Antonio Machado Cesar, Luís Henrique Wolff Gowdak
Background Proper treatment of patients with diffuse, severe coronary artery disease (CAD) is a challenge due to its complexity. Thus, data on the outcomes after coronary artery bypass graft (CABG) in this population is scarce. In this study, we aimed to determine the impact of CABG on the clinical and functional status, as well as graft patency in those individuals. Methods Patients with severe and diffuse CAD who underwent incomplete CABG due to complex anatomy or extensive distal coronary involvement were evaluated preoperatively and 1 year after surgery...
March 29, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28345821/antioxidant-and-antiproliferative-activities-of-an-ethylacetate-fraction-of-picria-fel-terrae-lour-herbs
#15
Denny Satria, Jansen Silalahi, Ginda Haro, Syafruddin Ilyas, Poppy Anjelisa Z Hsb
Background: Excessive production of oxygen free radicals and imbalance in the mechanisms responsible for antioxidant protection may result in the onset of many diseases including breast cancer. Objective: To evaluate antiproliferative and antioxidant activity of an ethylacetate fraction (EAF) of Picria fel-terrae Lour. Herbs in the T47D cell line. Methods: Phenolic and total flavonoid contents in EAF were determined. EAF was tested for cytotoxicity and effects on the cell cycle and apoptosis, as well as antioxidant activity...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28343345/assessment-of-nucleosides-as-putative-tumor-biomarkers-in-prostate-cancer-screening-by-ce-uv
#16
Adriana Zardini Buzatto, Mariana de Oliveira Silva, Ronei Jesus Poppi, Ana Valéria Colnaghi Simionato
Cancer is responsible for millions of deaths worldwide, but most base diseases may be cured if detected early. Screening tests may be used to identify early-stage malignant neoplasms. However, the major screening tool for prostate cancer, the prostate-specific antigen test, has unsuitable sensitivity. Since cancer cells may affect the pattern of consumption and excretion of nucleosides, such biomolecules are putative biomarkers that can be used for diagnosis and treatment evaluation. Using a previously validated method for the analysis of nucleosides in blood serum by capillary electrophoresis with UV-vis spectroscopy detection, we investigated 60 samples from healthy individuals and 42 samples from prostate cancer patients...
March 25, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28320034/variations-in-infant-cyp2b6-genotype-associated-with-the-need-for-pharmacological-treatment-for-neonatal-abstinence-syndrome-in-infants-of-methadone-maintained-opioid-dependent-mothers
#17
Helen Mactier, Poppy McLaughlin, Cheryl Gillis, Michael David Osselton
Background Neonatal abstinence syndrome (NAS) in infants of methadone-maintained opioid-dependent (MMOD) mothers cannot be predicted in individual cases. We investigated whether variation in infant genotype is associated with severity of NAS. Methods This is a pilot observational cohort study of 21 MMOD mothers and their newborns. Infant buccal swabs were obtained soon after delivery, together with a maternal blood sample for the determination of maternal plasma methadone concentration. Genomic variation in five opioid-related genes (ABCB1, COMT, CYP2B6, CYP2D6, and OPRM1) was ascertained from infant buccal swabs and related to need for pharmacological treatment of NAS...
March 20, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28302571/alpha-9-nicotinic-acetylcholine-receptors-mediate-hypothermic-responses-elicited-by-provocative-motion-in-mice
#18
Longlong Tu, Lauren Poppi, John Rudd, Ethan T Cresswell, Doug W Smith, Alan Brichta, Eugene Nalivaiko
Hypothermic responses accompany motion sickness in humans and can be elicited by provocative motion in rats. We aimed to determine the potential role in these responses of the efferent cholinergic vestibular innervation. To this end, we used knockout (KO) mice lacking α9 cholinoreceptor subunit predominantly expressed in the vestibular hair cells and CBA strain as a wild-type (WT) control. In WT mice, circular horizontal motion (1Hz, 4cm radius, 20min) caused rapid and dramatic falls in core body temperature and surface head temperature associated with a transient rise in the tail temperature; these responses were substantially attenuated in KO mice; changes were (WT vs...
March 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28252123/ligand-size-dependence-of-u-n-and-u-o-bond-character-in-a-series-of-uranyl-hexaphyrin-complexes-quantum-chemical-simulation-and-density-based-analysis
#19
Poppy Di Pietro, Andrew Kerridge
A series of uranyl complexes with hexaphyrin ligands are investigated at the density functional level of theory and analysed using a variety of density-based techniques. A relationship is identified between the size of the ligand and the stability of the complex, controlled by the presence of meso-carbon centres in the porphyrin ring. The complex with the smallest ligand, cyclo[6]pyrrole, is found to have enhanced covalent character in equatorial U-N bonds as defined by the quantum theory of atoms in molecules (QTAIM), as well as enhanced stability, compared to the larger complexes...
March 2, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28238124/preliminary-genetic-evidence-of-two-different-populations-of-opisthorchis-viverrini-in-lao-pdr
#20
Opal Pitaksakulrat, Nadda Kiatsopit, Nonglak Laoprom, Bonnie L Webster, Joanne P Webster, Poppy H L Lamberton, Thewarach Laha, Ross H Andrews, Trevor N Petney, David Blair, Elizabeth J Carlton, Robert C Spear, Paiboon Sithithaworn
Opisthorchis viverrini is a major public health concern in Southeast Asia. Various reports have suggested that this parasite may represent a species complex, with genetic structure in the region perhaps being dictated by geographical factors and different species of intermediate hosts. We used four microsatellite loci to analyze O. viverrini adult worms originating from six species of cyprinid fish in Thailand and Lao PDR. Two distinct O. viverrini populations were observed. In Ban Phai, Thailand, only one subgroup occurred, hosted by two different fish species...
April 2017: Parasitology Research
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