At the dated check, the references listed below either did not resolve in
Crossref or DataCite, or carried a retraction notice. Each one is shown with the
registry record that put it there.
The 39 checked references that resolve
resolves10.1007/BF02920148Production of l-lactic acid byRhizopus oryzae in a bubble column fermenter
resolves10.1021/bp970100hKinetics of Simultaneous Saccharification and Lactic Acid Fermentation Processes
resolves10.1002/jctb.449<i>In situ</i> reactive extraction of lactic acid from fermentation media
resolves10.1252/jcej.32.184Recovery of Lactic Acid by Batch Distillation with Chemical Reactions Using Ion Exchange Resin.
resolves10.1016/S1369-703X(03)00170-0Purification of l(+)-lactic acid from fermentation broth with paper sludge as a cellulosic feedstock using weak anion exchanger Amberlite IRA-92
resolves10.1007/PL00009046L-lactic acid production using immobilized Rhizopus oryzae in a three-phase fluidized-bed with simultaneous product separation by electrodialysis
resolves10.1007/BF00172819Lactic acid from cheese whey permeate. Productivity and economics of a continuous membrane bioreactor
resolves10.1016/S0141-0229(97)00167-1Lactic acid production from deproteinized whey by mixed cultures of free and coimmobilized Lactobacillus casei and Lactococcus lactis cells using fedbatch culture
resolves10.1023/A:1026276925649Fed-batch fermentation of Lactobacillus lactis for hyper-production of l-lactic acid
resolves10.1002/jctb.680Equilibria and kinetics for reactive extraction of lactic acid using Alamine 336 in decanol
resolves10.1021/ie034031pKinetic Study for the Reactive System of Lactic Acid Esterification with Methanol: Methyl Lactate Hydrolysis Reaction
resolves10.1016/S0032-9592(00)00271-5Comparison of operating modes for clarifying lactic acid fermentation broths by batch cross-flow microfiltration
resolves10.1006/jcat.1997.1484Lactic Acid Conversion to 2,3-Pentanedione and Acrylic Acid over Silica-Supported Sodium Nitrate: Reaction Optimization and Identification of Sodium Lactate as the Active Catalyst
resolves10.1006/jcat.1994.1206Formation of 2,3-Pentanedione from Lactic Acid over Supported Phosphate Catalysts
resolves10.1039/JR935000040088. Studies in pyrolysis. Part I. The pyrolysis of derivatives of α-acetoxypropionic acid, and related substances
resolves10.1007/BF00170051Production of acrylic acid and methacrylic acid using Rhodococcus rhodochrous J1 nitrilase
resolves10.1139/m93-029Degradation of acrylamide by immobilized cells of a <i>Pseudomonas</i> sp. and <i>Xanthomonas maltophilia</i>
resolves10.1021/es00055a020Degradation of Aliphatic Amide Mixture by Immobilized and Nonimmobilized Cells of Pseudomonas sp.
resolves10.1007/BF00256211Detection of acrylic acid formation in Megasphaera elsdenii in the presence of 3-butynoic acid
resolves10.1021/bp00004a001Biological Production of Acrylic Acid from Cheese Whey by Resting Cells of <i>Clostridium propionicum</i>
resolves10.1007/s00253-003-1540-zOccurrence, biochemistry and possible biotechnological application of the 3-hydroxypropionate cycle
The 30 references without a DOI — listed, not checked
no DOI — not checked“Synthesis of biodegradable material polylactic acid”
no DOI — not checked“Study on polylactic acid fibers”
no DOI — not checked10.1016/S1004-9541(06)60094-3_bib4
no DOI — not checked10.1016/S1004-9541(06)60094-3_bib5
no DOI — not checkedFalbe, J., Rebitz, M., Römpp, H., Römpp Chemie Lexikon, Thieme, Stuttgart (1995).
no DOI — not checked“Lactic acid”
no DOI — not checked“Repeated-batch and continuous production of L-lactic acid by Rhizopus oryzae immobilized in calcium alginate beads: Performance and kinetic model”
no DOI — not checked“Increasing the productivity of bioconversion processes”
no DOI — not checked“Extractive L-lactic acid fermentation with immobilized Rhizopus oryzae in a three-phase fluidized bed”
no DOI — not checked“Optimization of process parameter for reactive lactic acid extraction”
no DOI — not checked“L-lactic acid fermentation in a rotating disc contactor with simultaneous product separation by ion exchange”
no DOI — not checked“Separation of lactic acid from fermented broth by solvent extraction”
no DOI — not checked“Lactic acid”
no DOI — not checked“Water separation of esterification by azeotropic rectification with partial condensation”
no DOI — not checkedOhara H., Ito, M., Sawa, S., “Process for producing lactide and process for producing polylactic acid from fermented lactic acid employed as starting material”, U. S. Pat., 6569989 (2003).
no DOI — not checked“Purification of lactic acid by heterogeneous catalytic distillation using ion-exchange resins”
no DOI — not checked“Non-equilibrium stage static simulation of lactic acid purification reactive distillation process”
no DOI — not checkedWalkup, P.C., Rohrmann, C.A., Hallen, R.T., Eakin, D.E., “Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid”, U. S. Pat., 5252473 (1993).
no DOI — not checkedHolmen, R.E., “Acrylates by catalytic dehyddration of lactic acid and acrylates”, U. S. Pat., 2859240 (1958).
no DOI — not checkedSawicki, R.A., “Catalyst for dehydration of lactic acid to acrylic acid”, U. S. Pat., 4729978 (1988).
no DOI — not checkedPaparizos, C., Dolhyj, S., Shaw, W.G., “Catalytic conversion of lactic acid and ammonium lactate to acrylic acid”, U. S. Pat., 4786756 (1988).
no DOI — not checkedLilga, M.A., Werpy, T.A., Holladay, J.E., “Methods of forming alpha, beta-unsaturated acids and esters”, U. S. Pat. Appl., 0110974 (2004).
no DOI — not checkedWerpy, T.A., Lilga, M.A., “Ester compounds and their use in forming acrylates”. U. S. Pat., 6545175 (2003).
no DOI — not checkedMichael, A.L., Todd, A.W., Johnathan, E.H., “Methods of forming alpha, beta-unsaturated acids and esters”, U. S. Pat., 6992209 (2006).
no DOI — not checked“Utilization of acrylonitrile by bacteria isolated from petrochemical waste waters”
no DOI — not checked“Biotechnological production of acrylic acid from biomass”
no DOI — not checked“A microbial route to acrylic acid production”
no DOI — not checkedCameron, D.C., Suthers, P.F., “Production of 3-hydroxypropanoic acid in recombinant organisms”, World Pat. WO, 0116346 (2001).
no DOI — not checkedBuckel, W., Selmer, T., Selofonova, O.V., Gokarn, R.R., Gort, S.J., Jessen, H., “3-Hydroxypropanoic acid and other organic compounds”, World Pat. WO, 0242418 (2002).
no DOI — not checkedGokam, R.R., Gort, S.J., Liao, H.H., Jessen, H.J., Selofonova, O.V., “Alanine-2,3-aminomutase”, World Pat. WO, 03062173 (2003).
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