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https://www.readbyqxmd.com/read/29689993/a-new-blind-snake-of-the-genus-letheobia-serpentes-typhlopidae-from-rwanda-with-redescriptions-of-l-gracilis-sternfeld-1910-and-l-graueri-sternfeld-1912-and-the-introduction-of-a-non-invasive-preparation-procedure-for-scanning-electron-microscopy-in-zoology
#1
J Maximilian Dehling, Harald H Hinkel, Hans-jÜrgen Ensikat, Kenny Babilon, Eberhard Fischer
A new species of blind snake in the genus Letheobia is described from Akagera National Park in eastern Rwanda. The new species is most similar to species of the L. gracilis complex, particularly L. gracilis and L. graueri. It differs from all other species of the genus by a unique combination of morphological characters, including the highest number of middorsal scale rows (834) and the most extreme elongation (total-length/midbody-width ratio 131) of all species in the genus and of any species of snake in the world; 22-22-22 longitudinal scale rows; snout in dorsal profile rounded, in lateral profile bluntly rounded with an angular horizontal edge ventrally; rostral broad, posteriorly rounded; eyes invisible; supralabial imbrication pattern T-0; tail short (1...
February 11, 2018: Zootaxa
https://www.readbyqxmd.com/read/29689939/illustrated-accounts-of-coccinellid-predators-of-maconellicoccus-hirsutus-green-hemiptera-sternorrhyncha-pseudococcidae-on-mulberry-in-india-with-description-of-a-new-species-of-scymnus-kugelann-coleoptera-coccinellidae-from-west-bengal
#2
J Poorani, N Lalitha
The pink hibiscus mealybug, Maconellicoccus hirsutus (Green), is a major pest of mulberry (Morus alba L.), the sole host of the mulberry silkworm, Bombyx mori (L.), which is a source of livelihood to millions of sericulture farmers in India. Several predators, mainly Coccinellidae (Coleoptera), have been reported to feed on M. hirsutus on mulberry. Coccinellid predators of M. hirsutus collected on mulberry from different parts of India are illustrated here with brief diagnostic notes to facilitate their identification...
February 20, 2018: Zootaxa
https://www.readbyqxmd.com/read/29687098/effects-of-a-shade-matching-light-and-background-color-on-reliability-in-tooth-shade-selection
#3
Siamak Najafi-Abrandabadi, Farhad Vahidi, Malvin N Janal
OBJECTIVE: The purpose of this study was to evaluate the effects of a shade-matching light (Rite-Lite-2, AdDent) and different viewing backgrounds on reliability in a test of shade tab matching. MATERIALS AND METHODS: Four members of the Prosthodontic faculty matched 10 shade tabs selected for a range of shades against the shade guide. All raters were tested for color blindness and were calibrated prior to the study. Matching took place under four combinations of conditions: with operatory light or the shade-matching light, and using either a pink or a blue background...
2018: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/29684839/effects-of-sous-vide-method-at-different-temperatures-times-and-vacuum-degrees-on-the-quality-structural-and-microbiological-properties-of-pork-ham
#4
Kiyoung Jeong, Hyeonbin O, So Yeon Shin, Young-Soon Kim
This study evaluated the influence of different factors on pork hams cooked by sous-vide method. The quality and structural and microbiological properties of the treated samples were compared with those of controls. Samples were subjected to treatment at different combinations of temperature (61 °C or 71 °C), time (45 or 90 min), and vacuum degree (98.81% or 96.58%). The control sample was air packaged and boiled for 45 min in boiling water. Temperature and vacuum degree affected quality properties, while the effect of time was limited...
April 10, 2018: Meat Science
https://www.readbyqxmd.com/read/29684828/identification-of-candidate-genes-mediating-apple-fruit-cracking-resistance-following-the-application-of-gibberellic-acids-4-7-and-the-cytokinin-6-benzyladenine
#5
Mukul Joshi, Ravi Singh Baghel, Edna Fogelman, Raphael A Stern, Idit Ginzberg
Calyx-end cracking in 'Pink Lady' apple is treated by a solution of gibberellic acids 4 and 7 (GA4+7 ) and the cytokinin 6-benzyladenine (BA). Although the GA4+7 and BA mixture is applied early in apple fruit development, it mitigates cracking that becomes evident in the mature fruit, implying a long-term treatment effect. The reduced incidence of peel cracking is associated with increased epidermal cell density, which is maintained until fruit maturation. Presently, the expression of genes that have been previously reported to be associated with epidermal cell patterning and cuticle formation, or cracking resistance, was monitored in the peel during fruit development and following GA4+7 and BA treatment...
April 14, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29684707/targeting-mitochondria-esters-of-rhodamine-b-with-triterpenoids-are-mitocanic-triggers-of-apoptosis
#6
Ratna Kancana Wolfram, Lucie Heller, René Csuk
Triterpenoic acids, ursolic acid (1), oleanolic acid (2), glycyrrhetinic acid (3) and betulinic acid (4) were converted into their corresponding methyl 5-8 and benzyl esters 9-12 or benzyl amides 21-24. These derivatives served as starting materials for the synthesis of pink colored rhodamine B derivatives 25-36 which were screened for cytotoxicity in colorimetric SRB assays. All of the compounds were cytotoxic for a variety of human tumor cell lines. The activity of the benzyl ester derivatives 29-32 was lower than the cytotoxicity of the methyl esters 25-28...
April 17, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29683547/relationship-between-the-flavonoid-composition-and-flower-color-variation-in-victoria
#7
Qian Wu, Peng-Cheng Li, Hui-Jin Zhang, Cheng-Yong Feng, Shan-Shan Li, Dan-Dan Yin, Jie Tian, Wen-Zhong Xu, Liang-Sheng Wang
Victoria (Nymphaeaceae), an annual or perennial aquatic plant genus, contains only two species: V. amazonica (Poepp.) J. C. Sowerby and V. cruziana A. D. Orb. Both species exhibit large floating leaves and variable flower color. Both Victoria are night bloomers, which have white petals on the first blooming night, which then turn pink or ruby red on the second blooming day. The mechanism of the color change of Victoria petals during anthesis is still unclear. In this study, flavonoids in Victoria petals of both species were evaluated and quantified by high-performance liquid chromatography with photodiode array detection (HPLC-DAD) and by ultra-performance liquid chromatography coupled with tandem mass spectrometry (UPLC-MS/MS) for the first time...
April 23, 2018: Plant Biology
https://www.readbyqxmd.com/read/29682253/-in-vitro-evaluation-of-the-post-space-depth-reading-with-an-intraoral-scanner-ios-compared-to-a-traditional-silicon-impression
#8
A Pinto, L Arcuri, P Carosi, R Nardi, A Libonati, L Ottria, V Campanella
Objectives: The aim of the study was to assess the depth and quality of the post-space reading, using an IOS without scan-post, compared to a traditional silicon technique. Methods: Six extracted bicuspids were decoronated and endodontically treated. After having prepared the space for the posts, a structure in pink acrylic resin was created with two resin elements. At the center of the structure one sample was put at a time. Digital and traditional impressions were taken for each sample...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29681907/exogenous-applications-of-brassinosteroids-improve-color-of-red-table-grape-vitis-vinifera-l-cv-redglobe-berries
#9
Alexis E Vergara, Katy Díaz, Rodrigo Carvajal, Luis Espinoza, José A Alcalde, Alonso G Pérez-Donoso
Color and other quality parameters of "Redglobe" grape ( Vitis vinifera L.) berries were evaluated after treatment with brassinosteroid (BR) analogs. Three BRs analogs (24-epibrassinolide, Triol, or Lactone) were applied at three concentrations (0.0, 0.4, or 0.8 mg⋅L-1 ), at the onset of veraison. A commercial formulation (B-2000® ) was also applied, at a recommended rate of 0.06 mg⋅L-1 . The tested BR analogs were effective improving berry color (evaluated as color index for red grapes, CIRG), increasing the levels of soluble solids and anthocyanins, and changing the types of anthocyanins present without altering other quality and yield parameters...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29681754/molecular-mechanisms-underlying-the-diverse-array-of-petal-colors-in-chrysanthemum-flowers
#10
REVIEW
Akemi Ohmiya
Chrysanthemum ( Chrysanthemum morifolium Ramat.) is one of the most important floricultural crops in the world. Although the origin of modern chrysanthemum cultivars is uncertain, several species belonging to the family Asteraceae are considered to have been integrated during the long history of breeding. The flower color of ancestral species is limited to yellow, pink, and white, and is derived from carotenoids, anthocyanins, and the absence of both pigments, respectively. A wide range of flower colors, including purplish-red, orange, red, and dark red, has been developed by increasing the range of pigment content or the combination of both pigments...
January 2018: Breeding Science
https://www.readbyqxmd.com/read/29677499/the-structural-properties-of-5-methyl-2-phenyl-2h-1-2-3-triazole-4-carboxylic-acid-and-chromogenic-mechanism-on-its-rhodamine-b-derivatives-to-hg-2-ions
#11
Jianling Li, Guohua Ding, Yanyan Niu, Luyong Wu, Huajie Feng, Wenying He
5-Methyl-2-phenyl-2H-1,2,3-triazole-4-carboxylic acid (MPTC), a newly synthesized compound, was explored to study the structural properties and theoretical spectra by using GaussView5.0 program package and the time dependent density functional theory (TD DFT). The calculated quantum chemical values suggested that it is easy for MPTC to lose electron with weak electron accepting ability. And the results of experimental measurements on fluorescence and absorption spectra were consistent with that of the calculated spectra in great degree...
April 11, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29674921/a-new-synonym-in-the-subfamily-thrigmopoeinae-pocock-1900-araneae-theraphosidae
#12
Pradeep M Sankaran, Pothalil A Sebastian
As the species Haploclastus devamatha Prasanth & Jose, 2014 is indistinguishable from Thrigmopoeus psychedelicus Sanap & Mirza, 2014, the latter is herein considered junior synonym of the former. Occurrence of polychromatism in H. devamatha is noted, and two distinct colour morphs of the species are recognised, a pink form and a blue form. The natural history and conservation of the species are discussed and its known distribution is updated.
2018: ZooKeys
https://www.readbyqxmd.com/read/29672604/the-effect-of-cigarillo-packaging-elements-on-young-adult-perceptions-of-product-flavor-taste-smell-and-appeal
#13
Clare Meernik, Leah M Ranney, Allison J Lazard, KyungSu Kim, Tara L Queen, Aya Avishai, Marcella H Boynton, Paschal J Sheeran, Adam O Goldstein
INTRODUCTION: Product packaging has long been used by the tobacco industry to target consumers and manipulate product perceptions. This study examines the extent to which cigarillo packaging influences perceptions of product flavor, taste, smell, and appeal. METHODS: A web-based experiment was conducted among young adults. Participants viewed three randomly selected cigarillo packs, varying on pack flavor descriptor, color, type, branding, and warning-totaling 180 pack images...
2018: PloS One
https://www.readbyqxmd.com/read/29671940/a-long-term-prospective-cohort-study-on-immediately-restored-single-tooth-implants-inserted-in-extraction-sockets-and-healed-ridges-cbct-analyses-soft-tissue-alterations-aesthetic-ratings-and-patient-reported-outcomes
#14
Stefanie Raes, Aryan Eghbali, Vivianne Chappuis, Filiep Raes, Hugo De Bruyn, Jan Cosyn
BACKGROUND: Although many studies have been published on single implants, long-term data remain scarce. PURPOSE: To evaluate immediately restored single implants after at least 8 years of follow-up in terms of buccal bone, soft tissue alterations, aesthetic ratings, and patient-reported outcomes. MATERIALS AND METHODS: This prospective cohort study included patients who were consecutively treated with an immediately restored single implant installed in an extraction socket (IIT) or a healed ridge (CIT) in the anterior maxilla...
April 19, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29670851/determination-and-quantification-of-the-vinblastine-content-in-purple-red-and-white-catharanthus-roseus-leaves-using-rp-hplc-method
#15
Rohanizah Abdul Rahim, Nor Hazwani Ahmad, Khaldun Mohammad Al Azzam, Ishak Mat
Purpose: To determine and quantify vinblastine in different varieties of Catharanthus roseus using reversed-phase HPLC method. Methods: The liquid chromatographic separation was performed using a reversed phase C18, Microsorb - MV column (250 mm x 4.6 mm, 5 µm) at room temperature and eluted with a mobile phase containing methanol - phosphate buffer (5 mM, pH 6.0) - acetonitrile with different proportion gradient elution at a flow rate of 2.0 mL min-1 and detection at 254 nm. Results: The HPLC method was utilized for the quantification of vinblastine in purple, red and white varieties of Catharanthus roseus leaves...
March 2018: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29670786/magnetic-resonance-imaging-and-flexible-hysterofiberscopic-findings-of-a-uterine-adenofibroma-case-report-and-literature-review
#16
Hideki Watanabe, Naoya Harada, Ichiro Nobuhara, Noriko Haruta, Yumi Higashiura, Shioka Watanabe
To our knowledge, highly detailed findings of flexible hysterofiberscopy in patients with adenofibroma have not been described. A 75-year-old nulliparous asymptomatic woman presented with a uterine polyp, which exhibited punctate heterogeneous hyperintensity or islands of isointense-to-hypointense signals on T2-weighted magnetic resonance imaging (MRI), hypointense signals on T1-weighted images (T1WI), and a little enhancement on contrast-enhanced T1WI. Flexible hysterofiberscopy revealed a red-pink polyp with a white-yellow, cobblestone-like surface easily deformed by perfusion fluid...
2018: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29668964/a-pink-salmon-returns-to-the-river-arno
#17
Andros Tofield
No abstract text is available yet for this article.
April 14, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29667782/hypofolins-a-l-ent-labdane-diterpenoids-from-the-roots-of-hypoestes-phyllostachya-pink-splash
#18
Bin Cheng, Lin-Fen Ding, Tong Yan, Zhang-Qiao Xie, Zhi-Jun Zhang, Liu-Dong Song, Xing-De Wu, Qin-Shi Zhao
Twelve new ent-labdane diterpenoids, hypofolins A-F (1-6) and hypofolins G-L (7a/7b, 8a/8b, and 9a/9b), were isolated from the roots of Hypoestes phyllostachya "Pink Splash". Their structures were elucidated by extensive 1D and 2D NMR spectroscopic and HRMS data. The absolute configurations of 1, 2, 5, and 7a/7b were determined by single crystal X-ray diffraction and ECD analysis, as well as chemical transformations. Compounds 7a/7b, 8a/8b, and 9a/9b were isolated as three pairs of interconverting mixture of two isomers between ketone and hemiketal types...
April 18, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29665108/host-host-interactions-control-self-assembly-and-switching-of-triple-and-double-decker-stacks-of-tricarbazole-macrocycles-co-assembled-with-anti-electrostatic-bisulfate-dimers
#19
James Robert Dobscha, Sibali Debnath, Rachel Elizabeth Fadler, Elisabeth Maria Fatila, Maren Pink, Krishnan Raghavachari, Amar H Flood
Hierarchical assembly provides a route to complex architectures when using building blocks with strong and structurally well-defined recognition elements. These rules are expressed using cationic templates with reliable metal-ligand bonding but use of anions is rare on account of weak anion-host contacts. We investigate an approach that relies on host-host interactions to fortify assemblies formed between bisulfate anion dimers, [HSO4***HSO4]2-, and shape-persistent macrocycles called tricarbazole triazolophanes...
April 17, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29661139/genome-analysis-of-the-freshwater-planktonic-vulcanococcus-limneticus-sp-nov-reveals-horizontal-transfer-of-nitrogenase-operon-and-alternative-pathways-of-nitrogen-utilization
#20
Andrea Di Cesare, Pedro J Cabello-Yeves, Nathan A M Chrismas, Patricia Sánchez-Baracaldo, Michaela M Salcher, Cristiana Callieri
BACKGROUND: Many cyanobacteria are capable of fixing atmospheric nitrogen, playing a crucial role in biogeochemical cycling. Little is known about freshwater unicellular cyanobacteria Synechococcus spp. at the genomic level, despite being recognised of considerable ecological importance in aquatic ecosystems. So far, it has not been shown whether these unicellular picocyanobacteria have the potential for nitrogen fixation. Here, we present the draft-genome of the new pink-pigmented Synechococcus-like strain Vulcanococcus limneticus...
April 16, 2018: BMC Genomics
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