吡啶二羧酸
- 网络Dipicolinic acid;dPA
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与发酵前相比,产品的肽、VB2和吡啶二羧酸的含量均有大幅度提高。
The content of peptide , VB_2 and dipicolinic acid in the fermented product was greatly higher than in the raw culture .
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二氢吡啶二羧酸合成酶基因在棒杆菌中的克隆与表达
Cloning and Expressing of dapA Gene in Corynebacteria
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液体培养时,0.5%大豆煮汁粉培地比2%大豆煮汁粉培地生产了多量的2,6-吡啶二羧酸;
The both of Bacillus natto produced DPA in liquid fermentation , but in 0 . 5 % boiled soybean powder medium was more comparing with 2 % boiled soybean powder culture medium .
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用吡啶-2,6-二羧酸(PDCA)为流动相的非抑制型离子色谱法同时测定碱金属和铵离子。
The determination of Li + 、 Na + 、 NH4 + and K + by non-suppressed ion chromatography using pyridine-2,6-dicarboxylic acid is described .
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吡啶2,6-二羧酸(DPA)是芽孢杆菌的生物标志物,早期的SERS研究主要是基于银的纳米基底,但还存在定量难、检测下限不确定等问题。
Dipicolinic acid ( DPA ) is a biomarker of bacterial spores . Earlier SERS studies have mainly focused on substrates derived from silver nanoparticles , but there are some drawbacks in using silver nanoparticles as substrate , including difficulty in quantitation and uncertainty in determining detection limit .
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用吡啶-2.6-二羧酸(PDCA)作为淋洗螯合剂,使镧系与过渡金属生成不同电荷的络合物,镧系金属保留在分析柱上端,通过梯度淋洗使稀土元素与过渡金属得到分离。
Different ionic charges are formed between the lanthanides and the transition metals by using pyridine-2 , 6-dicarboxylic acid ( PDCA ) as eluent chelator . The lanthanides are retained on the top of the column while the rare earth elements and the transition metals are separated by gradient elution .
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在吡啶-2,6-二羧酸溶液中铥的荧光特性研究
Fluorometric Property of Thulium in Pyridine-2,6-dicarboxylic Acid Solution
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钯(Ⅱ)-2,2'-联吡啶-3,3'-二羧酸-氨基酸三元体系配位平衡
Coordination Equilibrium of Pd (ⅱ) 2,2 ' - Bipyridyl-3,3 ' - Dicarboxylic Acid Aminoacid Ternary Complexes
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吡啶-2,6-二羧酸体系导数荧光分析法测定铥
Determination of Thulium by the First Derivative Fluorometry Using Pyridine-2,6-dicarboxylic Acid Determination of thulium , terbium by the first derivative fluorometry using nalidixic acid system