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- the 14th letter of the Roman alphabet (同)n
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- nitrogenの化学記号
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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2017/12/23 03:21:26」(JST)
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English Journal
- Ammonia and formaldehyde participate in the formation of 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) in addition to creati(ni)ne and phenylacetaldehyde.
- Zamora R1, Alcón E1, Hidalgo FJ2.Author information 1Instituto de la Grasa, Consejo Superior de Investigaciones Científicas, Avenida Padre García Tejero 4, 41012 Seville, Spain.2Instituto de la Grasa, Consejo Superior de Investigaciones Científicas, Avenida Padre García Tejero 4, 41012 Seville, Spain. Electronic address: fhidalgo@ig.csic.es.AbstractThe formation of formaldehyde from phenylacetaldehyde and phenylalanine, and the contribution of both formaldehyde and ammonia to the production of PhIP from phenylacetaldehyde and creatinine were studied in an attempt to clarify the reaction pathways that produce PhIP. Formaldehyde was produced by thermal degradation of phenylacetaldehyde and, to a lesser extent, also by degradation of phenylalanine, phenylethylamine, styrene, and creatinine. When formaldehyde was added to a mixture of phenylacetaldehyde and creatinine, PhIP yield was multiplied by nineteen. When formaldehyde and ammonia were simultaneously present, PhIP yield was multiplied by fifty and the Ea of the reaction decreased by 61%. All these results point to formaldehyde and ammonia as the two additional reactants required for PhIP formation from both phenylacetaldehyde/creati(ni)ne and phenylalanine/creati(ni)ne mixtures. A general pathway for PhIP formation is proposed. This pathway is suggested to be the main route for PhIP formation in foods.
- Food chemistry.Food Chem.2014 Jul 15;155:74-80. doi: 10.1016/j.foodchem.2014.01.039. Epub 2014 Jan 23.
- The formation of formaldehyde from phenylacetaldehyde and phenylalanine, and the contribution of both formaldehyde and ammonia to the production of PhIP from phenylacetaldehyde and creatinine were studied in an attempt to clarify the reaction pathways that produce PhIP. Formaldehyde was produced by
- PMID 24594156
- Simultaneous ultrasound-assisted removal of sunset yellow and erythrosine by ZnS:Ni nanoparticles loaded on activated carbon: Optimization by central composite design.
- Roosta M1, Ghaedi M2, Daneshfar A3, Darafarin S3, Sahraei R3, Purkait MK4.Author information 1Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran.2Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran. Electronic address: m_ghaedi@mail.yu.ac.ir.3Department of Chemistry, University of Ilam, P.O. Box 65315-516, Ilam, Iran.4Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.AbstractThe present study focused on the simultaneous ultrasound-assisted removal of sunset yellow and erythrosine dyes from aqueous solutions using ZnS:Ni nanoparticles loaded on activated carbon (ZnS:Ni-NP-AC) as an adsorbent. ZnS:Ni nanoparticles were synthesized and characterized using different techniques such as FESEM, XRD and TEM. The effects of various parameters such as sonication time, pH, initial dye concentrations and adsorbent dose on the percentage of dye removal were investigated. Parameters were optimized by central composite design (CCD) combined with response surface methodology (RSM) and desirability function (DF). A good agreement between experimental and predicted values was observed. The ultrasound-assisted adsorbent (0.04g) was capable of high percentage removal (98.7% and 99.6%) of sunset yellow and erythrosine in short time (3.8min).
- Ultrasonics sonochemistry.Ultrason Sonochem.2014 Jul;21(4):1441-50. doi: 10.1016/j.ultsonch.2014.01.018. Epub 2014 Jan 23.
- The present study focused on the simultaneous ultrasound-assisted removal of sunset yellow and erythrosine dyes from aqueous solutions using ZnS:Ni nanoparticles loaded on activated carbon (ZnS:Ni-NP-AC) as an adsorbent. ZnS:Ni nanoparticles were synthesized and characterized using different techniq
- PMID 24486199
- Highly sensitive glucose biosensor based on Au-Ni coaxial nanorod array having high aspect ratio.
- Hsu CW1, Wang GJ2.Author information 1Department of Mechanical Engineering, National Chung-Hsing University, Taichung 40227, Taiwan.2Department of Mechanical Engineering, National Chung-Hsing University, Taichung 40227, Taiwan; Graduate Institute of Biomedical Engineering, National Chung-Hsing University, Taichung 40227, Taiwan. Electronic address: gjwang@dragon.nchu.edu.tw.AbstractAn effective glucose biosensor requires a sufficient amount of GOx immobilizing on the electrode surface. An electrode of a 3D nanorod array, having a larger surface-to-volume ratio than a 2D nanostructure, can accommodate more GOx molecules to immobilize onto the surface of the nanorods. In this study, a highly sensitive Au-Ni coaxial nanorod array electrode fabricated through the integration of nano electroforming and immersion gold (IG) method for glucose detection was developed. The average diameter of the as-synthesized Ni nanorods and that of the Au-Ni nanorods were estimated to be 150 and 250nm, respectively; both had a height of 30μm. The aspect ratio was 120. Compared to that of a flat Au electrode, the effective sensing area was enhanced by 79.8 folds. Actual glucose detections demonstrated that the proposed Au-Ni coaxial nanorod array electrode could operate in a linear range of 27.5μM-27.5mM with a detection limit of 5.5μM and a very high sensitivity of 769.6μAmM(-1)cm(-2). Good selectivity of the proposed sensing device was verified by sequential injections of uric acid (UA) and ascorbic acid (AA). Long-term stability was examined through successive detections over a period of 30 days.
- Biosensors & bioelectronics.Biosens Bioelectron.2014 Jun 15;56:204-9. doi: 10.1016/j.bios.2014.01.023. Epub 2014 Jan 24.
- An effective glucose biosensor requires a sufficient amount of GOx immobilizing on the electrode surface. An electrode of a 3D nanorod array, having a larger surface-to-volume ratio than a 2D nanostructure, can accommodate more GOx molecules to immobilize onto the surface of the nanorods. In this st
- PMID 24495482
Japanese Journal
- Formation of Nanoscale Layered Structures and Subsequent Transformations during Mechanical Alloying of Ni60Nb40 Powder Mixture in a Low Energy Ball Mill
- Enayati Mohammad Hossein
- KONA Powder and Particle Journal, 2015
- … Elemental Ni-Nb powder mixture containing 40 atom % Nb were mechanically alloyed in a low energy ball mill, allowing slower processing and easier progressive observation at intermediate milling times. … The results revealed that an ultrafine Ni/Nb layered structure with a typical thickness of ~30 nm, containing nanoscale size grains with a typical size of ~15 nm, develops in powder particles during mechanical alloying. …
- NAID 130004698768
- 精密ものづくり技術を活かした医療機器事業への挑戦 (特集 医療分野に使用される加工機および加工法)
- 大和 淳司
- 砥粒加工学会誌 58(11), 685-688, 2014-11
- NAID 40020255293
- Experimental optimization of the repetition rate difference in dual-comb ranging system
- Wu Guanhao,Zhou Qian,Shen Luofeng,Ni Kai,Zeng Xianghui,Li Yang
- Appl. Phys. Express 7(10), 106602, 2014-10-03
- We investigate the influence of repetition rate difference on the ranging accuracy of a dual-comb system and suggest a two-step guideline for the optimization of the repetition rate difference. The fi …
- NAID 150000108481
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「N」
- アスパラギン asparagine
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