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Franco Gasparri, Bruce Richard Schemehorn, Andrea Zanardi
OBJECTIVES: Two different studies were conducted to evaluate the whitening efficacy of a mouthwash versus a placebo using in vitro and in vivomodels. The tested mouthwash was formulated with no oxidizing or abrasive agents containing chlorhexidine (CHX) and polyvinylpyrrolidone (PVP). METHODS: The purpose of the in vitro study was to determine whether the mouthwash formulation OC15AB could reduce the accumulation of staining in an accepted stain model. Bovine central incisors were cut to obtain enamel specimens of ~8 × 8 mm2...
March 2018: Journal of Clinical Dentistry
Tao Li, Sheng Xie, Yan Tan, Zi-Ping Xie, Wan-Rong Wang, Heng Li
Objective: To explore the feasibility, safety and clinical effect of mid-frequency transcutaneous electrical acupoint stimulation (TEAS) combined with oral tamoxifen (TAM) in the treatment of oligoasthenozoospermia. METHODS: We randomly and equally assigned 120 patients with idiopathic oligoasthenozoospermia to receive oral TAM, mid-frequency TEAS, or TAM+TEAS, all for 8 weeks. Before and after treatment, we recorded the semen volume, total sperm count, sperm concentration, sperm motility, percentage of progressively motile sperm (PMS), and the levels of follicle-stimulating hormone (FSH), luteotrophic hormone (LH) and testosterone (T) in the peripheral serum and compared these parameters among the three groups of patients...
October 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
Yan Chun Li, Zhao Wei Li, Wei Wei Lin, Yu Hang Jiang, Bo Qi Weng, Wen Xiong Lin
Long-term continuous ratooning of tea could lead to serious soil acidification, nutritional imbalance, and the deterioration of the rhizosphere micro-ecological environment. Understanding the effects of biochar and sheep manure on the growth of tea plants and the rhizosphere microbial community structure and function would provide theoretical basis to improve the soil micro-ecological environment of continuous ratooning tea orchards. Biolog technology combined with phospholipid fatty acid (PLFA) approaches were employed to quantify the effects of biochar (40 t·hm-2 ) and sheep manure on the growth of 20 years continuous ratooning tea plants, soil chemical properties, and the soil microbial community structure and function...
April 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
T M Dale, J M Saucedo, E C Rodriguez-Merchan
INTRODUCTION: Advanced haemophilic arthropathy of the elbow can be a devastating manifestation of severe haemophilia with significant implications for activities of daily living. AIM: To summarize the currently available data on total elbow arthroplasty (TEA) for haemophilic arthropathy of the elbow, to draw comparisons to TEA for other indications, and to outline some considerations regarding TEA in this unique population. METHODS: A narrative review of the literature has been performed...
April 30, 2018: Haemophilia: the Official Journal of the World Federation of Hemophilia
Tomoe Shimoda, Takeshi Morishima, Koichi Kodama, Takuji Hirose, Dmitry E Polyansky, Gerald F Manbeck, James T Muckerman, Etsuko Fujita
The cobalt complexes CoII L1(PF6 )2 (1; L1 = 2,6-bis[2-(2,2'-bipyridin-6'-yl)ethyl]pyridine) and CoII L2(PF6 )2 (2; L2 = 2,6-bis[2-(4-methoxy-2,2'-bipyridin-6'-yl)ethyl]pyridine) were synthesized and used for photocatalytic CO2 reduction in acetonitrile. X-ray structures of complexes 1 and 2 reveal distorted trigonal-bipyramidal geometries with all nitrogen atoms of the ligand coordinated to the Co(II) center, in contrast to the common six-coordinate cobalt complexes with pentadentate polypyridine ligands, where a monodentate solvent completes the coordination sphere...
April 26, 2018: Inorganic Chemistry
Man Liao, Xiaoye Cheng, Xia Zhang, Xinpeng Diao, Caijuan Liang, Lantong Zhang
Trollius ledebourii has been more involved in Mongolian medicine and is often used as a type of tea for heat-clearing and detoxifying in the populus. In this study, a rapid and sensitive method was established for the qualitative and quantitative analyses of the major constituents in T. ledebourii. Ultra-high-performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry was developed for the identification of the multi-constituents in T. ledebourii. A total of 37 chemical constituents in T...
April 13, 2018: Journal of Chromatographic Science
Jiazhen Zhou, Anran Luo, Youcai Zhao
In this study, the feasibility of preparing activated carbon from waste tea by physical activation using steam was investigated. The effects of activation temperature on yield and pore properties of the prepared activated carbon were studied. The yield decreased with increased activation temperature owing to the decomposition of cellulose and hemicellulose. The specific surface area and pore volume of the activated carbon were estimated using the Brunauer-Emmett-Teller method, Langmuir equation, and t-plot method...
April 18, 2018: Journal of the Air & Waste Management Association
Amandeep Kaur, Baldev Singh, Puja Ohri, Jia Wang, Renu Wadhwa, Sunil C Kaul, Pratap Kumar Pati, Arvinder Kaur
Withania somnifera (Ashwagandha) has recently been studied extensively for its health-supplementing and therapeutic activities against a variety of ailments. Several independent studies have experimentally demonstrated pharmaceutical potential of its active Withanolides, Withaferin A (Wi-A), Withanone (Wi-N) and Withanolide A (Wil-A). However, to promote its use in herbal industry, an environmentally sustainable cultivation and high yield are warranted. In modern agriculture strategies, there has been indiscriminate use of chemical fertilizers to boost the crop-yield, however the practice largely ignored its adverse effect on the quality of soil and the environment...
2018: PloS One
Ingride Rita, Carla Pereira, Lillian Barros, Isabel C F R Ferreira
Given the increasing consumers demand for novelty, tea companies have been presenting new added value products such as reserve lots of aromatic plants. Herein, infusions from different lots of three aromatic plants were assessed in terms of phenolic composition (HPLC-DAD-ESI/MS) and antioxidant properties (reducing power, free radical scavenging and lipid peroxidation inhibition capacity). Cymbopogon citratus (C. citratus; main compound 5-O-caffeoylquinic acid) and Aloysia citrodora (A. citrodora; prevalence of verbascoside) reserve lots revealed higher phenolic compounds concentration than the respective standard lots...
August 15, 2018: Food Chemistry
Shun-Wun Ke, Guan-Heng Chen, Chung-Tse Chen, Jason T C Tzen, Chin-Ying Yang
BACKGROUND: Tea is one of the most popular beverages in the world. There are many secondary metabolites can be found in tea such as anthocyanins, proanthocyanidins, flavonols and catechins. These secondary metabolites in plants are proved to act protective components for human health effect. Plant hormone ethylene is considered to have an important role in regulation of plant development and signal transduction. This study evaluated the effect of ethylene signaling regulation in phenolic compounds in tea plants...
April 3, 2018: Botanical Studies (Taipei, Taiwan)
Keiko Tsuruta, Jörg T Wennmann, Yasuhisa Kunimi, Maki N Inoue, Madoka Nakai
A granulovirus (GV) that produces occlusion bodies (OBs) having an unusual morphology was found in an Adoxophyes sp. (Lepidoptera: Tortricidae) larva in a tea field in Miyazaki Prefecture, Japan. This isolate is considered to be a mutant of Adoxophyes orana granulovirus, designated AdorGV-M, because the nucleotide sequence of its genome is 99.7% identical to that of an English isolate of AdorGV, AdorGV-E. AdorGV-E produces typical ovocylindrical OBs that contain one occlusion-derived virus (ODV) per OB. On the other hand, AdorGV-M produces large cuboidal OBs, but the number of ODVs per OB was unknown...
March 30, 2018: Journal of Invertebrate Pathology
Federica Tomay, Kelsi Wells, Lelinh Duong, Jean Wei Tsu, Danielle E Dye, Hannah G Radley-Crabb, Miranda D Grounds, Tea Shavlakadze, Pat Metharom, Delia J Nelson, Connie Jackaman
The average age of the human population is rising leading to an increasing burden of age-related diseases, including increased susceptibility to infection. However, immune function can decrease with age which could impact on processes that require a functional immune system. Aging is also characterised by chronic low-grade inflammation which could further impact immune cell function. Whilst changes to neutrophils in blood during aging have been described, little is known in aging lymphoid organs. This study used female C57 BL /6J mice comparing bone marrow ( BM ), spleen and lymph nodes from young mice aged 2-3 months (equivalent to 18 human years) with healthy elderly mice aged 22-24 months (equivalent to 60-70 human years)...
March 30, 2018: Immunology and Cell Biology
C E L Watkins, D W Elson, J W K Harrison, J Pooley
Aim The aim of this study was to report the long-term outcome and implant survival of the lateral resurfacing elbow (LRE) arthroplasty in the treatment of elbow arthritis. Patients and Methods We reviewed a consecutive series of 27 patients (30 elbows) who underwent LRE arthroplasty between December 2005 and January 2008. There were 15 women and 12 men, with a mean age of 61 years (25 to 82). The diagnosis was primary hypotrophic osteoarthritis (OA) in 12 patients (14 elbows), post-traumatic osteoarthritis (PTOA) in five (five elbows) and rheumatoid arthritis (RA) in ten patients (11 elbows)...
March 1, 2018: Bone & Joint Journal
David B Burkholder, Amy L Jones, David T Jones, Rachel R Fabris, Jeffrey W Britton, Terrence D Lagerlund, Elson L So, Gregory D Cascino, Gregory A Worrell, Cheolsu Shin, Erik K St Louis
Two patients who shared similar presenting clinical features of anterograde and retrograde autobiographical amnesia typical of transient epileptic amnesia (TEA) underwent prolonged video electroencephalogram (VEEG) monitoring and were found to have sleep-activated epileptiform activity and frequent subclinical bitemporal seizures predominantly during sleep. Case 1 is a 59-year-old woman whose presenting complaint was memory impairment. Over 18 months, she had three distinct 8-h-long episodes of confusion and disorientation with persistent anterograde and retrograde autobiographical amnesia...
June 2017: Epilepsia Open
A R Divia, Mali G Nair, Jolly Mary Varughese, Shobha Kurien
Background: Endodontic infections require effective removal of microorganisms from the root canal system for long-term prognosis. Sodium hypochlorite (NaOCl) is the most effective irrigant currently, but potential complications due to its toxicity warrant search for newer alternatives. In this study, the antimicrobial efficacy of Morinda citrifolia (MC), green tea polyphenols and Triphala was compared with 5% NaOCl against Enterococcus faecalis . Materials and Methods: In this in vitro study sixty extracted human premolar teeth were infected with E...
March 2018: Dental Research Journal
Chung T Le, William P J Leenders, Remco J Molenaar, Cornelis J F van Noorden
The review discusses the effects of Epigallocatechin-3-gallate Gallate (EGCG) on glioma as a basis for future research on clinical application of EGCG. Epidemiological studies on the effects of green tea or EGCG on the risk of glioma is inconclusive due to the limited number of studies, the inclusion of all tea types in these studies, and the focus on caffeine rather than EGCG. In vivo experiments using EGCG monotherapy are inconclusive. Nevertheless, EGCG induces cell death, prevents cellular proliferation, and limits invasion in multiple glioma cell lines...
April 2018: Nutrition and Cancer
Qing Tu, Jianhui Gan, Jinlin Shi, Hong Yu, Shuangliang He, Jian Zhang
Transcutaneous electrical acupoint stimulation (TEAS) is an effective analgesic measure. We studied the analgesic effect of TEAS by applying it alone after ureteroscopic lithotripsy, rather than applying it as a supplementary analgesic measure. Participants (n = 120) scheduled to undergo ureteroscopic holmium laser lithotripsy, were enrolled and randomly assigned into Group T (TEAS n = 60) and Group C (Control, n = 60). The participants in Group T were treated with TEAS for postoperative analgesia...
March 20, 2018: Urolithiasis
Jânio S Santos, Carolina T P Deolindo, Jessica F Hoffmann, Fabio C Chaves, Leonardo do Prado-Silva, Anderson S Sant'Ana, Luciana Azevedo, Mariana Araújo Vieira do Carmo, Daniel Granato
A statistical optimization study was conducted to obtain a tea containing fermented rooibos (Aspalathus linearis), white tea (Camellia sinensis var. sinensis), and roasted mate (Ilex paraguariensis). An optimal combination of these species was proposed. This optimized tea inhibited 64% the lipoperoxidation in vitro and presented a high phenolic content, especially kaempferol, (+)-catechin, (-)-epicatechin, rutin, (-)-epigallocatechin, and (-)-epicatechin-2-O-gallate. Indeed, the antioxidant effect was confirmed by decreasing 30% the reactive oxygen species generation in human hepatoma carcinoma cells (HepG2, 100 and 240 µg/mL)...
July 15, 2018: Food Chemistry
Marina Toompuu, Tea Tuomela, Pia Laine, Lars Paulin, Eric Dufour, Howard T Jacobs
RNA 3' polyadenylation is known to serve diverse purposes in biology, in particular, regulating mRNA stability and translation. Here we determined that, upon exposure to high levels of the intercalating agent ethidium bromide (EtBr), greater than those required to suppress mitochondrial transcription, mitochondrial tRNAs in human cells became polyadenylated. Relaxation of the inducing stress led to rapid turnover of the polyadenylated tRNAs. The extent, kinetics and duration of tRNA polyadenylation were EtBr dose-dependent, with mitochondrial tRNAs differentially sensitive to the stress...
March 6, 2018: Nucleic Acids Research
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