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https://www.readbyqxmd.com/read/29077199/accumulation-and-distribution-characteristics-of-biomass-and-nitrogen-in-bitter-gourd-momordica-charantia-l-under-different-fertilization-strategies
#1
Baige Zhang, Mingzhu Li, Qiang Li, Jian Cao, Changyuan Zhang, Fusuo Zhang, Xinping Chen
BACKGROUND: The elemental uptake and allocation patterns of crops create insight for nutrient management. Two-year field experiments were conducted to determine the growth and nitrogen (N) uptake patterns of bitter gourd and to evaluate different N management strategies. Two N practices during the nursery stage, namely, the conventional fertilizer method (Scon) and the controlled-release fertilizer management method (Scrf), combined with three N management strategies after transplanting, namely, zero N fertilizer application (Nno), the conventional strategy (Ncon) and the systematic N management strategy (Nopt) were assessed...
October 27, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29068018/mono-and-binuclear-chiral-n-n-o-scorpionate-zinc-alkyls-as-efficient-initiators-for-the-rop-of-rac-lactide
#2
Antonio Otero, Juan Fernández-Baeza, Luis F Sánchez-Barba, Sonia Sobrino, Andrés Garcés, Agustín Lara-Sánchez, Ana M Rodríguez
The preparation of new chiral bis(pyrazol-1-yl)methane-based N,N,O-donor scorpionate ligands in the form of the alcohol compounds bpzampeH (1) {2,2-bis(3,5-dimethylpyrazol-1-yl)-1-[4-(dimethylamino)phenyl]ethanol}, bpzaepeH (2) {2,2-bis(3,5-dimethylpyrazol-1-yl)-1-[4-(diethylamino)phenyl]ethanol}, and bpzimeH (3) {2,2-bis(3,5-dimethylpyrazol-1-yl)-1-[1-methyl-1H-imidazol-2-yl]ethanol} has been carried out by the 1,2-addition reactions of a series of aldehydes. These new chiral heteroscorpionate ligands reacted with [ZnR2] (R = Me, Et, CH2SiMe3) in a 1 : 1 molar ratio in toluene to give the mononuclear monoalkyl zinc complexes [Zn(R)(κ(3)-NNO)] (4-12)...
November 7, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29056267/airway-ciliary-dysfunction-association-with-adverse-postoperative-outcomes-in-nonheterotaxy-congenital-heart-disease-patients
#3
Eileen Stewart, Phillip S Adams, Xin Tian, Omar Khalifa, Peter Wearden, Maliha Zahid, Cecilia W Lo
OBJECTIVE: Heterotaxy (HTX) congenital heart disease (CHD) patients with ciliary dysfunction (CD) have been shown to have increased postoperative respiratory morbidity. We hypothesized that non-HTX CHD infants with CD also will have increased postoperative morbidity, particularly respiratory complications. METHODS: Sixty-three infants with non-HTX CHD undergoing cardiac surgery were enrolled. Tests commonly used to assess for CD, nasal nitric oxide (nNO) measurements and nasal epithelial ciliary motion (CM) assessment, were obtained...
September 20, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29032923/is-it-necessary-to-dissect-the-posterior-lymph-nodes-along-the-splenic-vessels-during-total-gastrectomy-with-d2-lymphadenectomy-for-advanced-gastric-cancer
#4
Jian-Xian Lin, Chang-Ming Huang, Chao-Hui Zheng, Ping Li, Jian-Wei Xie, Jia-Bin Wang, Jun Lu, Qi-Yue Chen, Long-Long Cao, Mi Lin
BACKGROUND: D2 lymphadenectomy including No.10 lymph nodes (LNs) is the standard procedure for treating advanced gastric cancer (AGC) via total gastrectomy. However, there was no research focusing on the posterior LN dissection along the splenic vessels (No.10p LNs). This study is performed to assess the effect of dissecting No.10p LNs. METHODS: We analyzed 404 consecutive gastric cancer patients who underwent laparoscopic total gastrectomy (LTG) with D2 lymphadenectomy...
September 19, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29025172/-anti-myelin-oligodendrocyte-glycoprotein-antibodies-in-paediatric-patients-with-optic-neuritis
#5
Helmut Tegetmeyer, Andreas Merkenschlager
Background Myelin oligodendrocyte glycoprotein (MOG) is located on the surface of oligodendrocytes and myelin in the central nervous system. MOG-IgG is associated with acute disseminated encephalomyelitis (ADEM), relapsing and bilateral optic neuritis (NNO), and transverse myelitis (TM) in both paediatric and adult patients. The combination of NNO and TM or other inflammatory brain lesions is a typical feature of neuromyelitis optica spectrum disorders (NMO-SD) which are associated with specific pathogenic autoantibodies against the water channel aquaporin-4 (AQP4-IgG)...
October 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28987087/detection-and-structural-characterization-of-nitrosamide-h2nno-a-central-intermediate-in-denox-processes
#6
Michael C McCarthy, Kin Long Kelvin Lee, John F Stanton
The structure and bonding of H2NNO, the simplest N-nitrosamine, and a key intermediate in deNOx processes, have been precisely characterized using a combination of rotational spectroscopy of its more abundant isotopic species and high-level quantum chemical calculations. Isotopic spectroscopy provides compelling evidence that this species is formed promptly in our discharge expansion via the NH2 + NO reaction and is collisionally cooled prior to subsequent unimolecular rearrangement. H2NNO is found to possess an essentially planar geometry, an NNO angle of 113...
October 7, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28937239/nasal-nitric-oxide-in-healthy-adults-reference-values-and-affecting-factors
#7
M Antosova, D Mokra, I Tonhajzerova, P Mikolka, P Kosutova, M Mestanik, L Pepucha, J Plevkova, T Buday, V Calkovsky, A Bencova
Nitric oxide (NO) is an important endogenous mediator with significant role in the respiratory system. Many endogenous and exogenous factors influence the synthesis of NO and its level is significantly changed during the inflammation. Analysis of nasal nitric oxide (nNO) is not validated so far as the diagnostic method. There is a lack of reference values with possible identification of factors modulating the nNO levels. In healthy adult volunteers (n=141) we studied nasal NO values by NIOX MINO® (Aerocrine, Sweden) according to the recommendations of the ATS & ERS...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28927489/role-of-exhaled-nasal-nitric-oxide-in-distinguishing-between-chronic-rhinosinusitis-with-and-without-nasal-polyps
#8
(no author information available yet)
BACKGROUND: Chronic rhinosinusitis (CRS) with nasal polyps (CRSwNP) and CRS without nasal polyps (CRSsNP) nasal polypsis a global health concern. Several clinical biomarkers, such as inhaled carbon monoxide and exhaled nitric oxide (NO), have been studied to assess the presence and degree of inflammation in the airway mucosa. OBJECTIVE: To evaluate the clinical application of exhaled nasal NO (nNO) in distinguishing between CRSwNP and CRSsNP in consideration of the atopic status of patients...
September 19, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28783864/nasal-nitric-oxide-measurement-and-a-modified-picadar-score-for-the-screening-of-primary-ciliary-dyskinesia-in-adults-with-bronchiectasis
#9
J Rademacher, A Buck, N Schwerk, M Price, J Fuge, T Welte, F C Ringshausen
Background Determining the underlying diagnosis is essential for the targeted and specific treatment of bronchiectasis. Primary ciliary dyskinesia (PCD) is a rare genetic disease, which is characterized by abnormalities in ciliary structure and/or function and which may result in bronchiectasis. The disease is probably underestimated among adults with bronchiectasis due to the fact that extensive diagnostic testing is required and that the recognition of PCD is low. Objective To evaluate a feasible screening algorithm for PCD among adults with bronchiectasis...
August 2017: Pneumologie
https://www.readbyqxmd.com/read/28731081/metal-mediated-reactions-between-dialkylcyanamides-and-acetamidoxime-generate-unusual-nitrosoguanidinate-nickel-ii-complexes
#10
Zarina M Bikbaeva, Alexander S Novikov, Vitalii V Suslonov, Nadezhda A Bokach, Vadim Yu Kukushkin
The nitrosoguanidinate complexes [Ni{NH[double bond, length as m-dash]C(NR2)NN(O)}2] (R2 = Me21, (CH2)4O 2, (CH2)43, (CH2)54, (Me)Ph 5, Ph26, (p-MeC6H4)27) were obtained in low-to-moderate (12-26%) yields but reproducible yields in an unexpected metal-mediated reaction in MeOH between the nickel salt NiCl2·2H2O, N,N-disubstituted cyanamides NCNR2, and the amidoxime MeC([double bond, length as m-dash]NOH)NH2. These complexes were formed along with a spectrum of cyanamide-oxime coupling products. The IR and X-ray data indicate the delocalization within the NNO and NCN systems of the nitrosoguanidinate ligand...
August 14, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28646193/fabrication-of-nitrogen-doped-nano-onions-and-their-electrocatalytic-activity-toward-the-oxygen-reduction-reaction
#11
E Y Choi, C K Kim
Nitrogen-doped nano-onions (NNO) were prepared as electrocatalytic materials for the oxygen reduction reaction (ORR). The nano-onions (NO), spherical graphitic material particles, were prepared by pyrolysis of nanodiamonds (ND). Oxidized NO (ONO) was prepared from NO by a modified Hummers' method, and this was mixed with urea, followed by pyrolysis, resulting in the formation of NNO. The nitrogen content and molar ratio of nitrogen-containing groups in the NNOs were varied by controlling the oxygen content of ONO to explore the effect of nitrogen content on the ORR activity...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28579561/normal-values-of-offline-exhaled-and-nasal-nitric-oxide-in-healthy-children-and-teens-using-chemiluminescence
#12
Awen Menou, Diane Babeanu, Henry-Nicolas Paruit, Aline Ordureau, Sophie Guillard, Arnaud Christian Chambellan
Nitric oxide (NO) can be used to detect respiratory or ciliary diseases. Fractional exhaled nitric oxide (FeNO) measurement can reflect ongoing eosinophilic airway inflammation and has a diagnostic utility as a test for asthma screening and follow-up while nasal nitric oxide (nNO) is a valuable screening tool for the diagnosis of Primary Ciliary Dyskinesia (PCD). The possibility to collect airway gas samples in an offline manner offers the advantage to extend these measures and improve the screening and management of these diseases, but normal values from healthy children and teens remain sparse...
June 5, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28495666/how-to-use-nasal-nitric-oxide-in-a-child-with-suspected-primary-ciliary-dyskinesia
#13
Kim Simpson, Malcolm Brodlie
Measuring nasal nitric oxide (nNO) is increasingly used as part of testing for primary ciliary dyskinesia (PCD). The diagnosis of PCD is often delayed until after bronchiectasis is established and auditory damage has occurred. It is important that all paediatricians are aware of clinical features that are suggestive of PCD that should prompt diagnostic testing. nNO levels are recognised to be low in people with PCD and results generated by static chemiluminescence analysers using velum closure technique in older children have good sensitivity and specificity...
May 11, 2017: Archives of Disease in Childhood. Education and Practice Edition
https://www.readbyqxmd.com/read/28488706/impact-of-aryloxy-initiators-on-the-living-and-immortal-polymerization-of-lactide
#14
L-E Chile, T Ebrahimi, A Wong, D C Aluthge, S G Hatzikiriakos, P Mehrkhodavandi
This report describes two different methodologies for the synthesis of aryl end-functionalized poly(lactide)s (PLAs) catalyzed by indium complexes. In the first method, a series of para-functionalized phenoxy-bridged dinuclear indium complexes [(NNO)InCl]2(μ-Cl)(μ-OPhR) (R = OMe (1), Me (2), H (3), Br (4), NO2 (5)) were synthesized and fully characterized. The solution and solid state structures of these complexes reflect the electronic differences between these initiators. The polymerization rates correlate with the electron donating ability of the phenoxy initiators: the para-nitro substituted complex 5 is essentially inactive...
May 10, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28481653/accuracy-of-nasal-nitric-oxide-measurement-as-a-diagnostic-test-for-primary-ciliary-dyskinesia-a-systematic-review-and-meta-analysis
#15
Adam J Shapiro, Maureen Josephson, Margaret Rosenfeld, Ozge Yilmaz, Stephanie D Davis, Deepika Polineni, Elena Guadagno, Margaret W Leigh, Valery Lavergne
RATIONALE: Primary ciliary dyskinesia (PCD) is a rare disorder causing chronic otosinopulmonary disease, generally diagnosed through evaluation of respiratory ciliary ultrastructure and/or genetic testing. Nasal nitric oxide (nNO) measurement is used as a PCD screening test because patients with PCD have low nNO levels, but its value as a diagnostic test remains unknown. OBJECTIVES: To perform a systematic review to assess the utility of nNO measurement (index test) as a diagnostic tool compared with the reference standard of electron microscopy (EM) evaluation of ciliary defects and/or detection of biallelic mutations in PCD genes...
July 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28453281/designing-ligands-to-isolate-znln-and-zn2ln-complexes-field-induced-single-ion-magnet-behavior-of-the-zndy-zn2dy-and-zn2er-analogues
#16
Matilde Fondo, Julio Corredoira-Vázquez, Ana M García-Deibe, Jesús Sanmartín-Matalobos, Juan Manuel Herrera, Enrique Colacio
A new H3L Schiff base ligand with three defined compartments, namely, two internal NNO and one external O6, was designed to allocate metal ions of different size. This ligand allows isolating heterodinuclear [ZnLn(HL)(NO3)(OAc)(D)](NO3) (Ln = Tb, D = H2O, ZnTb; Ln = Dy, D = CH3OH, ZnDy; and Ln = Er, D = CH3OH, ZnEr) complexes, where one of the NNO pockets allocates a zinc(II) ion, while the other one is empty, or heterotrinuclear [Zn2Ln(L)(NO3)2(OAc)2(H2O)] (Ln = Dy, Zn2Dy and Ln = Er, Zn2Er) compounds, where each NNO compartment accommodates Zn(II)...
April 28, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28447095/investigation-of-the-metal-insulator-transition-in-ndnio3-films-by-site-selective-x-ray-absorption-spectroscopy
#17
Natalia Palina, Le Wang, Sibashisa Dash, Xiaojiang Yu, Mark B H Breese, Junling Wang, Andrivo Rusydi
In this work, multifunctional oxide NdNiO3 (NNO) thin films grown on a SrTiO3 (STO) substrate using pulsed-laser deposition are studied. Temperature dependent resistivity measurements revealed that NNO/STO samples exhibit a sharp thickness dependent metal-insulator transition (MIT) over a range of 150-200 K. It is known that the electronic properties of correlated oxides are extremely complex and sensitive to changes in orbital occupancy. To evaluate the changes in the electronic and/or crystallographic structure responsible for the MIT, a site-selective (O, Ni and Nd) X-ray absorption near edge structure (XANES) analysis is performed above and below the transition temperature...
May 11, 2017: Nanoscale
https://www.readbyqxmd.com/read/28396691/nasal-nitric-oxide-in-allergic-rhinitis-in-children-and-its-relationship-to-severity-and-treatment
#18
Peng-Peng Wang, Gui-Xiang Wang, Wen-Tong Ge, Li-Xing Tang, Jie Zhang, Xin Ni
BACKGROUND: Nasal nitrous oxide (nNO) is increased in allergic rhinitis (AR), but not in asthma, and is a non-invasive marker for inflammation in the nasal passages. METHODS: Levels of nNO were measured and compared in healthy children and children with mild and moderate-to-severe AR. Levels of nNO before and after treatment with steroids and/or antihistamine were then compared in the 2 AR groups. Their relationship to quality of life and nasal symptom and reactivity to outdoor and outdoor allergens were examined...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28380220/a-rarely-seen-phenolato-and-azido-bridged-polymeric-cadmium-ii-complex-derived-from-2-bromo-6-2-isopropylaminoethylimino-methyl-phenol
#19
Guo-Ping Cheng, Ling-Wei Xue, Cai-Xia Zhang
A rarely seen phenolato and azido-bridged polymeric cadmium(II) complex derived from the Schiff base ligand 2-bromo-6-[(2-isopropylaminoethylimino)methyl]phenol (HL) has been prepared and characterized by elemental analysis, IR spectroscopy, and single crystal X-ray diffraction. The Schiff base ligand coordinates to the Cd atom through the NNO donor set. The Cd atom is hexa-coordinated in an octahedral geometry. Adjacent two Cd atoms are bridged by two phenolato groups generating a dimer with Cd···Cd distance of 3...
2017: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/28365802/biomarkers-in-the-evaluation-and-management-of-chronic-rhinosinusitis-with-nasal-polyposis
#20
REVIEW
Yao Yao, Shumin Xie, Chunguang Yang, Jianhui Zhang, Xuewen Wu, Hong Sun
Chronic rhinosinusitis with nasal polyposis (CRSwNP) is a group of multifactorial and heterogeneous disorders with a significant economic strain on society, likely made up of different endotypes, each with a unique pathomechanism. In addition to the traditional clinical measures, there is a recognized need for reliable biomarkers to provide predictive information regarding diagnosis, endotypes, treatment responses, and future risk of recurrence. Fueled by the advances in basic research, various biomarkers have been explored in recent years...
April 1, 2017: European Archives of Oto-rhino-laryngology
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