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https://www.readbyqxmd.com/read/28549219/design-synthesis-and-properties-of-a-potent-inhibitor-of-pseudomonas-aeruginosa-deacetylase-lpxc
#1
Grazia Piizzi, David T Parker, Yunshan Peng, Markus Rolf Dobler, Anup Patnaik, Som Wattanasin, Eugene Liu, Francois Lenoir, Jill Nunez, John Kerrigan, David McKenney, Colin S Osborne, Donghui Yu, Leanne Lanieri, Jade Bojkovic, JoAnne Dzink-Fox, Maria-Dawn Lilly, Elizabeth R Sprague, Yipin Lu, Hongming Wang, Srijan Ranjitkar, Bing Wang, Meir Glick, Lawrence G Hamann, Ruben Tommasi, Xia Yang, Charles R Dean
Over the past several decades the frequency of antibacterial resistance in hospitals, including multi-drug resistance (MDR) and its association with serious infectious diseases, has increased at alarming rates. Pseudomonas aeruginosa is a leading cause of nosocomial infections, and resistance to virtually all approved antibacterial agents is emerging in this pathogen. To address the need for new agents to treat MDR P. aeruginosa, we focused on inhibiting the first committed step in the biosynthesis of lipid A, the deacetylation of uridyldiphospho-3-O-(R-hydroxydecanoyl)-N-acetylglucosamine by the enzyme LpxC...
May 26, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28549203/polymorphisms-in-the-melatonin-receptor-gene-promoter-and-their-associations-with-fertility-characteristics-in-buffalo-herd-in-eastern-amazon
#2
E M Barbosa, B B Souza, R C Guimarães, L K N Silva, J S N Azevedo, E C Gonçalves, H F L Ribeiro, S T Rolim Filho, E Silva Filho
Buffalo production is spreading globally because of its economic advantage. Then, it has become necessary to improve the reproductive and productive efficiency of these animals, as well as to look for genetic factors that increase this efficiency. The objectives of this study were to characterize the promoter region of the melatonin 1A receptor gene (MTRN1A), to detect possible SNPs and associate them with fertility characteristics, and identify binding sites of transcription factors involved in the regulation of genetic expression in buffaloes in the Amazon...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549198/de-novo-transcriptome-assembly-of-sugarcane-leaves-submitted-to-prolonged-water-deficit-stress
#3
A A Belesini, F M S Carvalho, B R Telles, G M de Castro, P F Giachetto, J S Vantini, S D Carlin, J O Cazetta, D G Pinheiro, M I T Ferro
Sugarcane production is strongly influenced by drought, which is a limiting factor for agricultural productivity in the world. In this study, the gene expression profiles obtained by de novo assembly of the leaf transcriptome of two sugarcane cultivars that differ in their physiological response to water deficit were evaluated by the RNA-Seq method: drought-tolerant cultivar (SP81-3250) and drought-sensitive cultivar (RB855453). For this purpose, plants were grown in a greenhouse for 60 days and were then submitted to three treatments: control (-0...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549151/borrelia-species-detected-in-ticks-feeding-on-wild-korean-water-deer-hydropotes-inermis-using-molecular-and-genotypic-analyses
#4
D VanBik, S H Lee, M G Seo, B R Jeon, Y K Goo, S J Park, M H Rhee, O D Kwon, T H Kim, P J L Geraldino, D Kwak
Lyme borreliosis is a vector-borne disease transmitted through the bite of ticks infected by Borrelia burgdorferi sensu lato group, including B. burgdorferi sensu stricto, B. afzelii, and B. garinii. The goal of the present study was to detect Borrelia species in ticks infesting wild Korean water deer (KWD; Hydropotes inermis Swinhoe), using molecular and genotypic analyses. In total, 48 ticks were collected from KWD, all of which were morphologically identified as Haemaphysalis longicornis Neumann that is dominant in Korea...
May 26, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28549145/six-month-safety-data-of-recombinant-vesicular-stomatitis-virus-zaire-ebola-virus-envelope-glycoprotein-vaccine-in-a-phase-3-double-blind-placebo-controlled-randomized-study-in-healthy-adults
#5
Scott A Halperin, Jose R Arribas, Richard Rupp, Charles P Andrews, Laurence Chu, Rituparna Das, Jakub K Simon, Matthew T Onorato, Kenneth Liu, Jason Martin, Frans A Helmond
Background.: This study (NCT02503202) evaluated the safety of recombinant vesicular stomatitis virus-Zaire Ebola virus envelope glycoprotein vaccine (rVSVΔG-ZEBOV-GP). Methods.: Overall, 1197 subjects were randomized 2:2:2:2:1; 1194 were vaccinated with 1 dose of 1 of 3 lots of rVSVΔG- ZEBOV-GP (2 × 107 plaque-forming units [pfu], n = 797; combined-lots group), a single high-dose lot of rVSVΔG-ZEBOV-GP (1 × 108 pfu, n = 264; high-dose group), or placebo (n = 133)...
May 26, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28549097/cluster-of-neisseria-gonorrhoeae-isolates-with-high-level-azithromycin-resistance-and-decreased-ceftriaxone-susceptibility-hawaii-2016
#6
Alan R Katz, Alan Y Komeya, Robert D Kirkcaldy, A Christian Whelen, Olusegun O Soge, John R Papp, Ellen N Kersh, Glenn M Wasserman, Norman P O'Connor, Pamela S O'Brien, Douglas T Sato, Eloisa V Maningas, Gail Y Kunimoto, Juval E Tomas
Background.: The Centers for Disease Control and Prevention (CDC) currently recommends dual therapy with ceftriaxone and azithromycin for gonorrhea to ensure effective treatment and slow emergence of antimicrobial resistance. Since 2013, the prevalence of reduced azithromycin susceptibility increased in the United States; however, these strains were highly susceptible to cephalosporins. We report on a cluster of N. gonorrhoeae isolates demonstrating high-level azithromycin resistance, several of which also demonstrated decreased ceftriaxone susceptibility...
May 26, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28549094/a-novel-dominant-mutation-in-sag-the-arrestin-1-gene-is-a-common-cause-of-retinitis-pigmentosa-in-hispanic-families-in-the-southwestern-united-states
#7
Lori S Sullivan, Sara J Bowne, Daniel C Koboldt, Elizabeth L Cadena, John R Heckenlively, Kari E Branham, Dianna H Wheaton, Kaylie D Jones, Richard S Ruiz, Mark E Pennesi, Paul Yang, David Davis-Boozer, Hope Northrup, Vsevold V Gurevich, Rui Chen, Mingchu Xu, Yumei Li, David G Birch, Stephen P Daiger
Purpose: To identify the causes of autosomal dominant retinitis pigmentosa (adRP) in a cohort of families without mutations in known adRP genes and consequently to characterize a novel dominant-acting missense mutation in SAG. Methods: Patients underwent ophthalmologic testing and were screened for mutations using targeted-capture and whole-exome next-generation sequencing. Confirmation and additional screening were done by Sanger sequencing. Haplotypes segregating with the mutation were determined using short tandem repeat and single nucleotide variant polymorphisms...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28549082/pharmacokinetics-and-pharmacodynamics-of-propofol-changes-in-patients-with-frontal-brain-tumours
#8
M M Sahinovic, D J Eleveld, T Miyabe-Nishiwaki, M M R F Struys, A R Absalom
Background: Models of propofol pharmacokinetics and pharmacodynamics developed in patients without brain pathology are widely used for target-controlled infusion (TCI) during brain tumour excision operations. The goal of this study was to determine if the presence of a frontal brain tumour influences propofol pharmacokinetics and pharmacodynamics and existing PK-PD model performance. Methods: Twenty patients with a frontal brain tumour and 20 control patients received a propofol infusion to achieve an induction-emergence-induction anaesthetic sequence...
May 26, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28549073/repeated-measurements-of-blood-pressure-and-cholesterol-improves-cardiovascular-disease-risk-prediction-an-individual-participant-data-meta-analysis
#9
Ellie Paige, Jessica Barrett, Lisa Pennells, Michael Sweeting, Peter Willeit, Emanuele Di Angelantonio, Vilmundur Gudnason, Børge G Nordestgaard, Bruce M Psaty, Uri Goldbourt, Lyle G Best, Gerd Assmann, Jukka T Salonen, Paul J Nietert, Wm Monique Verschuren, Eric J Brunner, Richard A Kronmal, Veikko Salomaa, Stephan Jl Bakker, Gilles R Dagenais, Shinichi Sato, Jan-Håkan Jansson, Johann Willeit, Altan Onat, Agustin Gómez de la Cámara, Ronan Roussel, Henry Völzke, Rachel Dankner, Robert W Tipping, Tom W Meade, Chiara Donfrancesco, Lewis H Kuller, Annette Peters, John Gallacher, Daan Kromhout, Hiroyasu Iso, Matthew Knuiman, Edoardo Casiglia, Maryam Kavousi, Luigi Palmieri, Johan Sundström, Barry R Davis, Inger Njølstad, David Couper, John Danesh, Simon G Thompson, Angela Wood
The added value of incorporating information from repeated measurements of blood pressure and cholesterol for cardiovascular disease (CVD) risk prediction has not been rigorously assessed. We used data from the Emerging Risk Factors Collaboration on 191,445 adults (38 cohorts from across 17 countries with data from 1962-2014) with > 1 million measurements of systolic blood pressure, total cholesterol and high-density lipoprotein cholesterol; over a median 12 years of follow-up, 21,170 CVD events occurred...
May 26, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28549050/use-of-noncontact-low-frequency-ultrasound-in-deep-tissue-pressure-injury-a-retrospective-analysis
#10
Pamela Wagner-Cox, Heather M Duhame, Christina R Jamison, Robin R Jackson, Suzy T Fehr
PURPOSE: The purpose of this study was to examine the effect of noncontact low-frequency ultrasound (NLFU) on deep tissue pressure injury (DTPI), both hospital-acquired and those present on admission (POA). DESIGN: Retrospective, descriptive study. SAMPLE AND SETTING: Medical records from 44 adult patients with a DTPI treated with NLFU were reviewed; 22 had a hospital-acquired DTPI (HADTPI) and 22 had DTPI POA. Their mean age was 71.3 ± 16...
May 25, 2017: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/28548710/measurement-of-glycine-in-healthy-and-tumorous-brain-by-triple-refocusing-mrs-at-3%C3%A2-t-in-vivo
#11
Vivek Tiwari, Zhongxu An, Sandeep K Ganji, Jeannie Baxter, Toral R Patel, Edward Pan, Bruce E Mickey, Elizabeth A Maher, Marco C Pinho, Changho Choi
Glycine (Gly) has been implicated in several neurological disorders, including malignant brain tumors. The precise measurement of Gly is challenging largely as a result of the spectral overlap with myo-inositol (mI). We report a new triple-refocusing sequence for the reliable co-detection of Gly and mI at 3 T and for the evaluation of Gly in healthy and tumorous brain. The sequence parameters were optimized with density-matrix simulations and phantom validation. With a total TE of 134 ms, the sequence gave complete suppression of the mI signal between 3...
May 26, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28548686/studies-on-the-antibody-response-and-side-effects-after-intramuscular-and-intraperitoneal-injection-of-atlantic-lumpfish-cyclopterus-lumpus-l-with-different-oil-based-vaccines
#12
T Erkinharju, M R Lundberg, E Isdal, I Hordvik, R A Dalmo, T Seternes
Atlantic lumpfish (Cyclopterus lumpus L.) is used as a biological delousing agent for sea lice (Lepeophtheirus salmonis K.) infestations in Norwegian aquaculture. Here, we present a study on the antibody response and vaccine side effects after intramuscular and intraperitoneal injection of lumpfish with two vaccines. Both vaccines contained bacterial antigens from atypical Aeromonas salmonicida A-layer types V and VI, Vibrio anguillarum serotype O1 and Moritella viscosa sp., but one vaccine contained a vegetable oil-based adjuvant, while the other contained a mineral oil-based adjuvant...
May 26, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28548668/unique-capabilities-of-ac-frequency-scanning-and-its-implementation-on-a-mars-organic-molecule-analyzer-linear-ion-trap
#13
Dalton T Snyder, Desmond A Kaplan, Ryan M Danell, Friso H W van Amerom, Veronica T Pinnick, William B Brinckerhoff, Paul R Mahaffy, R Graham Cooks
A limitation of conventional quadrupole ion trap scan modes which use rf amplitude control for mass scanning is that, in order to detect a subset of an ion population, the rest of the ion population must also be interrogated. That is, ions cannot be detected out of order; they must be detected in order of either increasing or decreasing mass-to-charge (m/z). However, an ion trap operated in the ac frequency scan mode, where the rf amplitude is kept constant and instead the ac frequency is used for mass-selective operations, has no such limitation because any variation in the ac frequency affects only the subset of ions whose secular frequencies match the perturbation frequency...
May 26, 2017: Analyst
https://www.readbyqxmd.com/read/28548646/prevalence-and-the-risk-factors-for-visual-impairment-in-age-related-macular-degeneration
#14
S Srinivasan, G Swaminathan, V Kulothungan, R Raman, T Sharma
PurposeTo characterize the type, and the causes of visual impairment (VI) in various stages of early and late age-related macular degeneration (AMD) and the factors associated with visual impairment in subjects with AMDMethods6617 subjects ≥60 years were enumerated; 5495 (83.04%) participated in eye examination. Of which, 4791 subjects had gradable fundus images. AMD was graded per International ARM Epidemiological Study Group. Subjects underwent detailed ophthalmic exam. VI was defined per the WHO classification...
May 26, 2017: Eye
https://www.readbyqxmd.com/read/28548645/waldenstrom-macroglobulinemia-cells-devoid-of-btk-c481s-or-cxcr4-whim-like-mutations-acquire-resistance-to-ibrutinib-through-upregulation-of-bcl-2-and-akt-resulting-in-vulnerability-towards-venetoclax-or-mk2206-treatment
#15
A Paulus, S Akhtar, H Yousaf, A Manna, S M Paulus, Y Bashir, T R Caulfield, M Kuranz-Blake, K Chitta, X Wang, Y Asmann, R Hudec, W Springer, S Ailawadhi, A Chanan-Khan
Although ibrutinib is highly effective in Waldenstrom macroglobulinemia (WM), no complete remissions in WM patients treated with ibrutinib have been reported to date. Moreover, ibrutinib-resistant disease is being steadily reported and is associated with dismal clinical outcome (overall survival of 2.9-3.1 months). To understand mechanisms of ibrutinib resistance in WM, we established ibrutinib-resistant in vitro models using validated WM cell lines. Characterization of these models revealed the absence of BTK(C481S) and CXCR4(WHIM-like) mutations...
May 26, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28548644/survival-toxicity-and-length-of-stay-after-haploidentical-or-cord-blood-transplantation-in-a-latin-american-center-a-cross-sectional-comparative-study
#16
I Esteves, F P S Santos, A A F Ribeiro, A T Kondo, J F Fernandes, F R Kerbauy, L Kerbauy, N Hamerschlak
No abstract text is available yet for this article.
May 26, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28548643/condensed-versus-standard-schedule-of-high-dose-cytarabine-consolidation-therapy-with-pegfilgrastim-growth-factor-support-in-acute-myeloid-leukemia
#17
S Jaramillo, A Benner, J Krauter, H Martin, T Kindler, M Bentz, H R Salih, G Held, C-H Köhne, K Götze, M Lübbert, A Kündgen, P Brossart, M Wattad, H Salwender, B Hertenstein, D Nachbaur, G Wulf, H-A Horst, H Kirchen, W Fiedler, A Raghavachar, G Russ, S Kremers, E Koller, V Runde, G Heil, D Weber, G Göhring, K Döhner, A Ganser, H Döhner, R F Schlenk
The aim of this cohort study was to compare a condensed schedule of consolidation therapy with high-dose cytarabine on days 1, 2 and 3 (HDAC-123) with the HDAC schedule given on days 1, 3 and 5 (HDAC-135) as well as to evaluate the prophylactic use of pegfilgrastim after chemotherapy in younger patients with acute myeloid leukemia in first complete remission. One hundred and seventy-six patients were treated with HDAC-135 and 392 patients with HDAC-123 with prophylactic pegfilgrastim at days 10 and 8, respectively, in the AMLSG 07-04 and the German AML Intergroup protocol...
May 26, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28548598/associations-between-endothelin-polymorphisms-and-aneurysmal-subarachnoid-hemorrhage-clinical-vasospasm-delayed-cerebral-ischemia-and-functional-outcome
#18
Christoph J Griessenauer, Robert M Starke, Paul M Foreman, Philipp Hendrix, Mark R Harrigan, Winfield S Fisher, Nilesh A Vyas, Robert H Lipsky, Mingkuan Lin, Beverly C Walters, Jean-Francois Pittet, Mali Mathru
OBJECTIVE Endothelin-1, a potent vasoconstrictor, and its receptors may be involved in the pathogenesis of aneurysmal subarachnoid hemorrhage (aSAH), clinical vasospasm, delayed cerebral ischemia (DCI), and functional outcome following aSAH. In the present study, common endothelin single nucleotide polymorphisms (SNPs) and their relation to aSAH were evaluated. METHODS Blood samples from all patients enrolled in the Cerebral Aneurysm Renin Angiotensin System (CARAS) study were used for genetic evaluation. The CARAS study prospectively enrolled patients with aSAH at 2 academic institutions in the US from 2012 to 2015...
May 26, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28548588/injection-of-inactive-bordetella-pertussis-and-complete-freund-s-adjuvant-with-torpedo-californica-achr-increases-the-occurrence-of-experimental-autoimmune-myasthenia-gravis-in-c57bl-6-mice
#19
Takahiro Maruta, Minako Oshima, Dennis R Mosier, M Zouhair Atassi
An animal model of myasthenia gravis (MG), termed experimental autoimmune MG (EAMG), is an important tool for investigations of disease mechanisms and/or methods of treatment for this disease. EAMG can be induced in C57BL/6 (B6, H-2(b)) mice by 2-3 times injections at 4 weeks intervals with Torpedo californica (t) acetylcholine receptor (AChR) in complete Freund's adjuvant (CFA). However, the protocol especially with a two-injection schedule occasionally produces a poor incidence of EAMG. We have investigated the efficacy of the additional adjuvant, inactive organisms of Bordetella pertussis (iBP), on the induction with a two-injection schedule...
May 26, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28548525/measurement-of-the-b_-s-0-%C3%A2-%C3%AE-%C3%AE-branching-fraction-and-effective-lifetime-and-search-for-b-0-%C3%A2-%C3%AE-%C3%AE-decays
#20
R Aaij, B Adeva, M Adinolfi, Z Ajaltouni, S Akar, J Albrecht, F Alessio, M Alexander, S Ali, G Alkhazov, P Alvarez Cartelle, A A Alves, S Amato, S Amerio, Y Amhis, L An, L Anderlini, G Andreassi, M Andreotti, J E Andrews, R B Appleby, F Archilli, P d'Argent, J Arnau Romeu, A Artamonov, M Artuso, E Aslanides, G Auriemma, M Baalouch, I Babuschkin, S Bachmann, J J Back, A Badalov, C Baesso, S Baker, V Balagura, W Baldini, A Baranov, R J Barlow, C Barschel, S Barsuk, W Barter, F Baryshnikov, M Baszczyk, V Batozskaya, B Batsukh, V Battista, A Bay, L Beaucourt, J Beddow, F Bedeschi, I Bediaga, A Beiter, L J Bel, V Bellee, N Belloli, K Belous, I Belyaev, E Ben-Haim, G Bencivenni, S Benson, S Beranek, A Berezhnoy, R Bernet, A Bertolin, C Betancourt, F Betti, M-O Bettler, M van Beuzekom, Ia Bezshyiko, S Bifani, P Billoir, A Birnkraut, A Bitadze, A Bizzeti, T Blake, F Blanc, J Blouw, S Blusk, V Bocci, T Boettcher, A Bondar, N Bondar, W Bonivento, I Bordyuzhin, A Borgheresi, S Borghi, M Borisyak, M Borsato, F Bossu, M Boubdir, T J V Bowcock, E Bowen, C Bozzi, S Braun, T Britton, J Brodzicka, E Buchanan, C Burr, A Bursche, J Buytaert, S Cadeddu, R Calabrese, M Calvi, M Calvo Gomez, A Camboni, P Campana, D H Campora Perez, L Capriotti, A Carbone, G Carboni, R Cardinale, A Cardini, P Carniti, L Carson, K Carvalho Akiba, G Casse, L Cassina, L Castillo Garcia, M Cattaneo, G Cavallero, R Cenci, D Chamont, M Charles, Ph Charpentier, G Chatzikonstantinidis, M Chefdeville, S Chen, S F Cheung, V Chobanova, M Chrzaszcz, A Chubykin, X Cid Vidal, G Ciezarek, P E L Clarke, M Clemencic, H V Cliff, J Closier, V Coco, J Cogan, E Cogneras, V Cogoni, L Cojocariu, P Collins, A Comerma-Montells, A Contu, A Cook, G Coombs, S Coquereau, G Corti, M Corvo, C M Costa Sobral, B Couturier, G A Cowan, D C Craik, A Crocombe, M Cruz Torres, S Cunliffe, R Currie, C D'Ambrosio, F Da Cunha Marinho, E Dall'Occo, J Dalseno, P N Y David, A Davis, K De Bruyn, S De Capua, M De Cian, J M De Miranda, L De Paula, M De Serio, P De Simone, C T Dean, D Decamp, M Deckenhoff, L Del Buono, M Demmer, A Dendek, D Derkach, O Deschamps, F Dettori, B Dey, A Di Canto, H Dijkstra, F Dordei, M Dorigo, A Dosil Suárez, A Dovbnya, K Dreimanis, L Dufour, G Dujany, K Dungs, P Durante, R Dzhelyadin, A Dziurda, A Dzyuba, N Déléage, S Easo, M Ebert, U Egede, V Egorychev, S Eidelman, S Eisenhardt, U Eitschberger, R Ekelhof, L Eklund, S Ely, S Esen, H M Evans, T Evans, A Falabella, N Farley, S Farry, R Fay, D Fazzini, D Ferguson, G Fernandez, A Fernandez Prieto, F Ferrari, F Ferreira Rodrigues, M Ferro-Luzzi, S Filippov, R A Fini, M Fiore, M Fiorini, M Firlej, C Fitzpatrick, T Fiutowski, F Fleuret, K Fohl, M Fontana, F Fontanelli, D C Forshaw, R Forty, V Franco Lima, M Frank, C Frei, J Fu, W Funk, E Furfaro, C Färber, A Gallas Torreira, D Galli, S Gallorini, S Gambetta, M Gandelman, P Gandini, Y Gao, L M Garcia Martin, J García Pardiñas, J Garra Tico, L Garrido, P J Garsed, D Gascon, C Gaspar, L Gavardi, G Gazzoni, D Gerick, E Gersabeck, M Gersabeck, T Gershon, Ph Ghez, S Gianì, V Gibson, O G Girard, L Giubega, K Gizdov, V V Gligorov, D Golubkov, A Golutvin, A Gomes, I V Gorelov, C Gotti, E Govorkova, R Graciani Diaz, L A Granado Cardoso, E Graugés, E Graverini, G Graziani, A Grecu, R Greim, P Griffith, L Grillo, B R Gruberg Cazon, O Grünberg, E Gushchin, Yu Guz, T Gys, C Göbel, T Hadavizadeh, C Hadjivasiliou, G Haefeli, C Haen, S C Haines, B Hamilton, X Han, S Hansmann-Menzemer, N Harnew, S T Harnew, J Harrison, M Hatch, J He, T Head, A Heister, K Hennessy, P Henrard, L Henry, E van Herwijnen, M Heß, A Hicheur, D Hill, C Hombach, P H Hopchev, Z-C Huard, W Hulsbergen, T Humair, M Hushchyn, D Hutchcroft, M Idzik, P Ilten, R Jacobsson, J Jalocha, E Jans, A Jawahery, F Jiang, M John, D Johnson, C R Jones, C Joram, B Jost, N Jurik, S Kandybei, M Karacson, J M Kariuki, S Karodia, M Kecke, M Kelsey, M Kenzie, T Ketel, E Khairullin, B Khanji, C Khurewathanakul, T Kirn, S Klaver, K Klimaszewski, T Klimkovich, S Koliiev, M Kolpin, I Komarov, P Koppenburg, A Kosmyntseva, S Kotriakhova, M Kozeiha, L Kravchuk, K Kreplin, M Kreps, P Krokovny, F Kruse, W Krzemien, W Kucewicz, M Kucharczyk, V Kudryavtsev, A K Kuonen, K Kurek, T Kvaratskheliya, D Lacarrere, G Lafferty, A Lai, G Lanfranchi, C Langenbruch, T Latham, C Lazzeroni, R Le Gac, J van Leerdam, A Leflat, J Lefrançois, R Lefèvre, F Lemaitre, E Lemos Cid, O Leroy, T Lesiak, B Leverington, T Li, Y Li, Z Li, T Likhomanenko, R Lindner, F Lionetto, X Liu, D Loh, I Longstaff, J H Lopes, D Lucchesi, M Lucio Martinez, H Luo, A Lupato, E Luppi, O Lupton, A Lusiani, X Lyu, F Machefert, F Maciuc, O Maev, K Maguire, S Malde, A Malinin, T Maltsev, G Manca, G Mancinelli, P Manning, J Maratas, J F Marchand, U Marconi, C Marin Benito, M Marinangeli, P Marino, J Marks, G Martellotti, M Martin, M Martinelli, D Martinez Santos, F Martinez Vidal, D Martins Tostes, L M Massacrier, A Massafferri, R Matev, A Mathad, Z Mathe, C Matteuzzi, A Mauri, E Maurice, B Maurin, A Mazurov, M McCann, A McNab, R McNulty, B Meadows, F Meier, D Melnychuk, M Merk, A Merli, E Michielin, D A Milanes, M-N Minard, D S Mitzel, A Mogini, J Molina Rodriguez, I A Monroy, S Monteil, M Morandin, P Morawski, M J Morello, O Morgunova, J Moron, A B Morris, R Mountain, F Muheim, M Mulder, M Mussini, D Müller, J Müller, K Müller, V Müller, P Naik, T Nakada, R Nandakumar, A Nandi, I Nasteva, M Needham, N Neri, S Neubert, N Neufeld, M Neuner, T D Nguyen, C Nguyen-Mau, S Nieswand, R Niet, N Nikitin, T Nikodem, A Nogay, A Novoselov, D P O'Hanlon, A Oblakowska-Mucha, V Obraztsov, S Ogilvy, R Oldeman, C J G Onderwater, J M Otalora Goicochea, A Otto, P Owen, A Oyanguren, P R Pais, A Palano, M Palutan, A Papanestis, M Pappagallo, L L Pappalardo, C Pappenheimer, W Parker, C Parkes, G Passaleva, A Pastore, M Patel, C Patrignani, A Pearce, A Pellegrino, G Penso, M Pepe Altarelli, S Perazzini, P Perret, M Perrin-Terrin, L Pescatore, K Petridis, A Petrolini, A Petrov, M 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Y Yao, H Yin, J Yu, X Yuan, O Yushchenko, K A Zarebski, M Zavertyaev, L Zhang, Y Zhang, A Zhelezov, Y Zheng, X Zhu, V Zhukov, S Zucchelli
A search for the rare decays B_{s}^{0}→μ^{+}μ^{-} and B^{0}→μ^{+}μ^{-} is performed at the LHCb experiment using data collected in pp collisions corresponding to a total integrated luminosity of 4.4  fb^{-1}. An excess of B_{s}^{0}→μ^{+}μ^{-} decays is observed with a significance of 7.8 standard deviations, representing the first observation of this decay in a single experiment. The branching fraction is measured to be B(B_{s}^{0}→μ^{+}μ^{-})=(3.0±0.6_{-0.2}^{+0.3})×10^{-9}, where the first uncertainty is statistical and the second systematic...
May 12, 2017: Physical Review Letters
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