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1, 3-Propanediol (PDO)

High yield 1,3-propanediol production by rational engineering of the 3-hydroxypropionaldehyde bottleneck in Citrobacter werkmanii

High yield 1,3-propanediol production by rational engineering of the 3-hydroxypropionaldehyde bottleneck in Citrobacter werkmanii

... The single knock-out study revealed that only the adhE single knock-out has a positive effect on the yield of PDO on glycerol and that the titers of the fermentation prod- ucts consuming NADH increase, especially the ...

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1,3-propanediol production with Citrobacter werkmanii DSM17579: effect of a dhaD knock-out

1,3-propanediol production with Citrobacter werkmanii DSM17579: effect of a dhaD knock-out

... In the case of 1,3-propanediol (PDO) production, un- coupling is achieved when glycerol is entirely used for PDO synthesis and not catabolized for growth and maintenance. PDO has been chosen as target molecule as ...

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Studies on production of 1,3-propanediol from glycerol by microbial fermentation

Studies on production of 1,3-propanediol from glycerol by microbial fermentation

... 1,3-Propanediol (1,3-PDO) is the promising bulk chemical which has attracted worldwide attention due to its enormous applications in polymers, cosmetics, foods, adhesives, lubricants, laminates, solvents, ...

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Heat Capacities of Aqueous Ternary Mixtures of 2-Amino-2-Methyl-1, 3-Propanediol + Piperazine or Lithium Bromide - Volume 5 Number 2 (Apr. 2014) - IJCEA

Heat Capacities of Aqueous Ternary Mixtures of 2-Amino-2-Methyl-1, 3-Propanediol + Piperazine or Lithium Bromide - Volume 5 Number 2 (Apr. 2014) - IJCEA

... ethyl-1,3-propanediol (AEPD), 2-amino-2-hydroxy- methyl- 1,3-propanediol (AHPD), and 2-amino-2-methyl-1,3- propanediol (AMPD). It was found that the loading capacities of these amines were higher ...

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Isolation of New Strains of Bacteria Able to Synthesize 1,3 Propanediol from Glycerol

Isolation of New Strains of Bacteria Able to Synthesize 1,3 Propanediol from Glycerol

... Biotechnological methods may be employed to obtain 1,3-PD by converting glycerol using bacteria of the gen- era Clostridium, Klebsiella, Citrobacter, Lactobacillus [21,22]. 1,3-Propylene glycol is one of the oldest ...

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Key enzymes catalyzing glycerol to 1,3-propanediol

Key enzymes catalyzing glycerol to 1,3-propanediol

... Biodiesel can replace petroleum diesel as it is produced from animal fats and vegetable oils, and it produces about 10 % (w/w) glycerol, which is a promising new industrial microbial carbon, as a major by-product. One of ...

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Isolation and Identification of Alkali Resistant 1,3 Propanediol Producing Strain

Isolation and Identification of Alkali Resistant 1,3 Propanediol Producing Strain

... 1,3-Propanediol is a promising renewable resource produced by microbial produc- tion. It is mainly used in many synthetic reactions, particularly applied to the poly- mer synthesis and cosmetics industry. We ...

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Glycerol conversion to 1, 3-Propanediol is enhanced by the expression of a heterologous alcohol dehydrogenase gene in Lactobacillus reuteri

Glycerol conversion to 1, 3-Propanediol is enhanced by the expression of a heterologous alcohol dehydrogenase gene in Lactobacillus reuteri

... acid, 1, 3-propanediol, 1, 4- butanediol, ...as 1, 3-propanediol (Zhu et al. 2002). Currently, 1, 3-propanediol (1, 3-PD) has attracted ...

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Flux analysis of the Lactobacillus reuteri propanediol-utilization pathway for production of 3-hydroxypropionaldehyde, 3-hydroxypropionic acid and 1,3-propanediol from glycerol

Flux analysis of the Lactobacillus reuteri propanediol-utilization pathway for production of 3-hydroxypropionaldehyde, 3-hydroxypropionic acid and 1,3-propanediol from glycerol

... Mechanism of glycerol biotransformation and choice of biotransformation conditions with whole cells of L. reuteri The expected pathway for the conversion of glycerol to 1,3PDO and 3HP by L. reuteri is illustrated in ...

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Substantive intumescence from phosphorylated 1,3‐propanediol derivatives substituted on to cellulose

Substantive intumescence from phosphorylated 1,3‐propanediol derivatives substituted on to cellulose

... Cellulose flame retarded with an ammonia-cured, polycondensed tetrakis (hydroxymethyl) phosphonium-urea derivative (as Proban CC®,Rhodia) phosphorylated by cyclic 1,3-propanediol phosphoryl chloride or CPPC and ...

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Influences of 3-hydroxypropionaldehyde and lactate on the production of 1,3-propanediol by Klebsiella pneumoniae

Influences of 3-hydroxypropionaldehyde and lactate on the production of 1,3-propanediol by Klebsiella pneumoniae

... 1,3-Propanediol (1,3-PD) can be formulated into numer- ous industrial products such as composites, adhesives, and laminates. With the increasing emergence of novel applications of 1,3-PD, the demand for its ...

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1,3-Propanediol dehydrogenases in Lactobacillus reuteri: impact on central metabolism and 3-hydroxypropionaldehyde production

1,3-Propanediol dehydrogenases in Lactobacillus reuteri: impact on central metabolism and 3-hydroxypropionaldehyde production

... Results: A search throughout the genome of L. reuteri DSM 20016 revealed two putative PDHs encoded by ORFs lr_0030 and lr_1734. ORF lr_1734 is situated in the pdu operon encoding the glycerol conversion machinery and ...

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Experimental Study of Corrosion on A36 Mild Steel Towards Aqueous 2-Amino-2-Ethyl-1, 3-Propanediol and Diethanolamine

Experimental Study of Corrosion on A36 Mild Steel Towards Aqueous 2-Amino-2-Ethyl-1, 3-Propanediol and Diethanolamine

... Figure 1(a) showed the image of A36 mild steel as controlled sample before it dunked in the amine ...Figures 1 (b, c), FESEM images showed the pattern of corrosion on the steel and EDX results are presented ...

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1 (3 Chloro­benzo­yl) 3 (3 chloro­phen­yl)thio­urea

1 (3 Chloro­benzo­yl) 3 (3 chloro­phen­yl)thio­urea

... water and stirred well. The solid product which formed was sepa- rated, washed with deionized water and purified by recrystallization from methanol–dichloromethane (1:1) to give fine crystals of the title ...

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3 (1H Benzotriazol 1 yl) 1 (3 meth­oxy­phen­yl)propan 1 one

3 (1H Benzotriazol 1 yl) 1 (3 meth­oxy­phen­yl)propan 1 one

... In the title molecule (Fig. 1), all bond lengths and angles are within normal ranges (Allen et al., 1987). The benzotriazole system is almost planar with a dihedral angle of 1.45 (1)° between the triazole ...

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3 (2,6 Di­chloro­phen­yl) 3 hydr­­oxy 1 phenyl­propan 1 one

3 (2,6 Di­chloro­phen­yl) 3 hydr­­oxy 1 phenyl­propan 1 one

... the usual manner (Li et al., 2004) from the aldol reaction of 2,6- dichlorobenzaldehyde and acetophenone. Under the same conditions chalcones were the principal products when using 2-chloro- benzaldehyde or ...

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1 (Ferrocen 1 ylmeth­yl) 3 methyl­imidazol 3 ium iodide

1 (Ferrocen 1 ylmeth­yl) 3 methyl­imidazol 3 ium iodide

... consists of a 1-(ferrocen-1-ylmethyl)-3-methylimidazolium cation which is counter-balanced by an iodide anion. The cyclopentadienyl (Cp) rings of the ferrocene unit have a slightly staggered ...

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3 (2,4 Di­chloro­phenyl) 3 hy­droxy 1 phenyl­propan 1 one

3 (2,4 Di­chloro­phenyl) 3 hy­droxy 1 phenyl­propan 1 one

... The title compound was synthesized by adding a mixture of 2,4- dichlorobenzaldehyde (3 mmol) and 2-bromoacetophenone (4.5 mmol) to a mixture of a saturated solution of calcium chloride (12 ml), zinc (12 mmol), ...

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3 (4 Chloro­phenyl) 3 hy­droxy 1 phenyl­propan 1 one

3 (4 Chloro­phenyl) 3 hy­droxy 1 phenyl­propan 1 one

... The title compound was synthesized by adding a mixture of 4- chlorobenzaldehyde (0.421 g, 3 mmol) and 2-bromoacetophenone (0.892 g, 4.5 mmol) to a mixture of a saturated solution of calcium chloride (12 ml), zinc ...

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3 (3 Bromo­phen­yl) 1 phenyl­prop 2 en 1 one

3 (3 Bromo­phen­yl) 1 phenyl­prop 2 en 1 one

... C7 0.0134 (4) 0.0230 (5) 0.0161 (4) −0.0015 (3) 0.0033 (3) 0.0019 (3) C8 0.0133 (4) 0.0230 (5) 0.0159 (4) −0.0019 (3) 0.0035 (3) −0.0001 (3) C9 0.0129 (4) 0.0231 (5) 0.0170 (4) ...

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