1,3-Propanediol
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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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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Key enzymes catalyzing glycerol to 1,3-propanediol
... The demand for biofuels is increasing worldwide; as raw material, it is one of the most promising alternative sources of energy. Biodiesel can replace petroleum diesel as it is derived from vegetable oils and animal ...
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High yield 1,3-propanediol production by rational engineering of the 3-hydroxypropionaldehyde bottleneck in Citrobacter werkmanii
... Construction and evaluation of single knock‑out mutants Based upon previously reported strategies to improve cofactor availability in other microorganisms via meta- bolic engineering, three genes were selected to ...
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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
... of 3-HPA could inhibit the growth of, and lead to the death of, ...of 3-HPA increases to a higher level in the medium (ac 10 mM), the activity of the 1,3-propanediol oxidore- ductase in the cells ...
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Isolation and Identification of Alkali Resistant 1,3 Propanediol Producing Strain
... 1,3-Propanediol (1,3-PD) is an important chemical raw material. As a potential inter- mediate product, it is widely used in fine chemicals, cosmetics, pharmaceutical and other industries. In addition, 1,3-PD can ...
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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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Isolation of New Strains of Bacteria Able to Synthesize 1,3 Propanediol from Glycerol
... Because of the increasing demand for 1,3-PD world- wide, new attractive sources of its isolation are being sought, and their appeal is based on the efficiency of glycerol (especially crude glycerol) conversion by bacte- ...
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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
... Recent years have seen a growing interest in shifting from fossil- to a more renewable feedstock based on biomass for the production of chemicals and materials with a lower carbon footprint [1,2]. In order to match the ...
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1,3-Propanediol dehydrogenases in Lactobacillus reuteri: impact on central metabolism and 3-hydroxypropionaldehyde production
... ORF lr_1734 is situated in the glycerol utilization pdu operon. The organization of the pdu operon in L. reuteri is highly similar to that in Salmonella species [16], and therefore the lr_1734 gene product is likely ...
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Experimental Study of Corrosion on A36 Mild Steel Towards Aqueous 2-Amino-2-Ethyl-1, 3-Propanediol and Diethanolamine
... It is desirable to analyze and compare the results between the conventional alkanolamines (DEA) and the sterically hindered amines (AEPD). The Tafel plots for the mild steel in eo s ieth nol mine ( ) were me s red in , , ...
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Efficient production of 1,3-propanediol from crude glycerol by repeated fed-batch fermentation strategy of a lactate and 2,3-butanediol deficient mutant of Klebsiella pneumoniae
... GAA AAC GTC TCA AAC CAG C-3 ′ ) and C2 (5 ′ - GAT CGT CGA GGA CGT CGG TCG TTA ACA TAG ACC TGA CTG CTG AAG G-3 ′ ; bases in italics indi- cate a HpaI site) for the upstream region and C3 (5 ′ - CCT TCA GCA ...
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Metabolic and proteomic analyses of product selectivity and redox regulation in Clostridium pasteurianum grown on glycerol under varied iron availability
... The iron content in the fermentation medium was shown to influence the product formation, especially the 1,3-propanediol and butanol distribution, in Clostridium pasteurianum DSMZ 525 grown on glycerol. Compared ...
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Efficient 3-hydroxypropionic acid production from glycerol by metabolically engineered Klebsiella pneumoniae
... to 3-HP ...tion 3-HP production was significantly enhanced due to higher expression level of aldehyde dehydrogenase, and at the same time, 1,3-propanediol production was reduced (Huang et ...affected ...
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-Solid Lithium Perchlorate, a Highly Efficient and Chemoselective Catalyst for the Acetalyzation of Aldehydes
... Lithium perchlorate (3.0 mmol, 0.32 g), an aldehyde (2 mmol) and 1,3-propanediol (or 1,2-ehtanediol) (3 mmol) were added to a flask. Then trimethylsilyl chloride, TMSCl, (0.8 mmol, 0.1 mL) was added and the ...
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Stereoselective total synthesis of nonenolides: decarestrictine O, Decarestrictine I, botryolide B, (6Z)-4s,6s,9s-trihydroxy-10-nonyl-3,4,5,6,9,10-hexahydrooxecin-2-one; and attempts towards the total synthesis of amphidinolactone A
... for 1 and the other one is to accomplish total synthesis involving RCM (of 2, Scheme 1) as the key ...O 1 by a convergent strategy wherein both the advanced intermediates are derived from the ...
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Semi-pilot scale-up of a continuous packed-bed bioreactor system developed for the lipase-catalyzed production of pseudo-ceramides
... of 1-O,3-N-diacyl 3-amino-1,2-propanediol-type pseudo-ceramides catalyzed by immobilized ...(Scheme 1) in two steps, according to the process previously developed at the laboratory ...
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Synthesis and reactions of dihydroxyalkylcobalamins: a model for vitamin B₁₂ dependent propanediol dehydratase
... t o the c o rr e s p o n d in g a c e t o n id e by BF^-Et^O in d r y acetone (Scheme 2 . 9 ) , when the same p r o c e d u re was t r i e d on the epoxid e ( 3 4 ) , no a ceto nide was formed (as shown by m.s. ...
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1 Carboxymethyl 3 hydroxypyridinium chloride–3 hydroxypyridinium 1 acetate (1/1)
... O3 0.0456 (7) 0.0756 (9) 0.0750 (9) −0.0008 (7) −0.0116 (6) −0.0244 (7) O4 0.0416 (6) 0.0647 (7) 0.0731 (8) 0.0133 (6) 0.0067 (6) 0.0035 (7) O5 0.0488 (7) 0.0457 (6) 0.0638 (8) 0.0078 (5) 0.0174 (6) 0.0113 (5) O6 0.0418 ...
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