搜索结果: 1-13 共查到“PAH”相关记录13条 . 查询时间(0.059 秒)
制备了功能聚合物聚烯丙胺(PAH)填充的SiO2反蛋白光子晶体薄膜,实现了对挥发性醛(包括甲醛、乙醛、丙醛、丁醛及戊醛)的可视化检测。当所制薄膜置于醛气体中时,光子禁带红移超过100 nm,薄膜颜色从初始的蓝色变为黄绿色。这是由于SiO2反蛋白石三维大孔结构有利于气体扩散及在孔壁的吸附,PAH的氨基与醛基发生亲核加成反应,同时部分气体在孔壁冷凝,导致薄膜的平均折射率增大;而当薄膜再次置于空气中,由...
Therapeutic brain modulation with targeted large neutral amino acid supplements in the Pah-enu2 phenylketonuria mouse model
phenylketonuria inborn error of metabolism large neutral amino acids mouse model neurotransmitters brain biochemistry treatment
2018/12/18
Background: Phenylketonuria treatment consists mainly of a Phe-restricted diet, which leads to suboptimal neurocognitive and psychosocial outcomes. Supplementation of large neutral amino acids (LNAAs)...
First Case Report of EX3del4765 Mutation in PAH Gene in Asian Population
Gene Deletion Phenylalanine Hydroxylase Phenylketonuria
2016/1/26
Introduction: Phenylketonuria (PKU) is an autosomal recessive inborn error of phenylalanine metabolism, which is caused by mutation in phenylalanine hydroxylase (PAH) gene. Most of the PAH mutations a...
Modelling the spectral energy distribution of galaxies. V. The dust and PAH emission SEDs of disk galaxies
Radiative transfer - Scattering - (ISM): dust extinction - Galaxies spiral - Galaxies: individual
2010/11/15
We present a self-consistent model of the spectral energy distributions (SEDs) of spiral galaxies from the ultraviolet (UV) to the mid-infrared (MIR)/far-infrared (FIR)/submillimeter (submm) based on ...
PAH and Emission Line Ratios in AGN and Starburst Galaxies
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/28
We study the Polycyclic Aromatic Hydrocarbons (PAH) bands, ionic emission lines, and Mid-infrared continuum properties, in a sample of 171 emission line galaxies taken from literature plus 15 new acti...
Source Assessment and Analysis of Polycyclic Aromatic Hydrocarbon (PAH’s) in the Oblogo Waste Disposal Sites and Some Water Bodies in and around the Accra Metropolis of Ghana
Accra Metropolitan Assembly (AMA) Oblogo Dumping Site Weija Dam Densu River PAHs Chemu Lagoon Korle Lagoon Kpeshi Lagoon
2013/3/21
The study looked at the levels of polycyclic aromatic hydrocarbons (PAHs) in leachates from a solid waste disposal site and an effluent from an oil refinery in some water bodies around Accra. Sixteen ...
PAH Emission in AGN and Starbursts, and their relation with the mid-infrared continuum emission
PAH Emission AGN Starbursts
2009/7/9
PAH Emission in AGN and Starbursts, and their relation with the mid-infrared continuum emission。
选出烟草中7种可能的PAH前体，卷制出两种牌子的含有10, 15 和 20%这些前体的卷烟和相关的两个对照组。为该项研究备制了两种类型的卷烟：直接添加卷制的卷烟和通过混合添加物制成薄片卷制的卷烟。为16种个体化合物进行了PAH产物分布分析，该分布是通过GC/MS方法对11种PAHs进行测定获得的。在7种选定的前体中，样本的糖，多糖，石蜡和苯酚显示了最大的剂量反应相关性。例如：添加果糖的卷烟显示23...
苯丙氨酸羟化酶（PAH）基因外显子7及其两侧内含子的突变研究Mutations in Exon 7 of the Phenylalanine Hydroxylase（PAH）Gene in Chinese Patients with Phenylketonuria
苯丙氨酸羟化酶 外显子 基因突变 单链构象多态性 序列分析
2008/1/6
为探讨中国苯丙酮尿症（PKU）人群中苯丙氨酸羟化酶（PAH）基因外显子7的突变特征，对147例PKU患儿的294个PAH基因外显子7以及两侧部分内含子序列，应用PCR－单链构象多态性（SSCP）分析及基因序列分析的方法进行了筛查和确定。共发现13种突变基因：G239D、R241C、R241fs、R243Q、G247S、G247V、R252Q、L255S、R261Q、M276K、E280G、P281...
PAH-DNA加合物研究进展
PAH-DNA加合物 分子生物标志 环境暴露 多态性
2007/11/5
摘要 随着人们对肿瘤发病机制认识水平的不断深入，DNA加合物的研究也越来越受到重视。PAH-DNA加合物是一种暴露标志物，在生物监测和流行病学研究中有重要意义。本文总结了PAH-DNA加合物与职业暴露、环境污染以及代谢酶、修复酶基因多态性的关系，介绍了目前常用于检测PAH-DNA加合物的几种方法。
含PAH弯曲核的香蕉型分子的合成及其结构
香蕉型 二苯并并四苯 合成
2012/11/29
设计合成了2个分别以DBN（二苯并并四苯）及三苯基吡啶为中心弯曲核的2个香蕉型分子，通过1H-NMR，13C HRMS等手段对其结构进行了表征，在偏光显微镜下，没有观察到它们的液晶行为.
Estimating PAH Dry Deposition by Measuring Gas and Particle Phase Concentrations in Ambient Air
PAHs dry deposition flux dry deposition velocity
2016/3/30
Concentrations of the total polycyclic aromatic hydrocarbons (PAHs) in both the gas-phase and
particle-phase were measured simultaneously in industrial, urban and suburban areas, and were
1652, 1185...
Comparsion of PAH Emission from a Municipal Waste Incinerator and Mobile Sources
Municipal Waste Incinerator Mobile Sources
2016/3/31
Comparsion of PAH Emission from a Municipal Waste Incinerator and Mobile Sources。