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1994 1
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Page 1
Study of Membrane-Immobilized Oxidoreductases in Wastewater Treatment for Micropollutants Removal.
Zdarta A, Zdarta J. Zdarta A, et al. Int J Mol Sci. 2022 Nov 15;23(22):14086. doi: 10.3390/ijms232214086. Int J Mol Sci. 2022. PMID: 36430564 Free PMC article.
The key stage of the study concerned the use of produced membranes for the removal of hematoporphyrin, (2,4-dichlorophenoxy)acetic acid (2,4-D), 17alpha-ethynylestradiol, tetracycline, tert-amyl alcohol (anesthetic drug), and ketoprofen methyl ester from real …
The key stage of the study concerned the use of produced membranes for the removal of hematoporphyrin, (2,4-dichlorophenoxy)acetic ac …
Experimental Limiting Oxygen Concentrations for Nine Organic Solvents at Temperatures and Pressures Relevant to Aerobic Oxidations in the Pharmaceutical Industry.
Osterberg PM, Niemeier JK, Welch CJ, Hawkins JM, Martinelli JR, Johnson TE, Root TW, Stahl SS. Osterberg PM, et al. Org Process Res Dev. 2015 Nov 20;19(11):1537-1543. doi: 10.1021/op500328f. Epub 2014 Dec 6. Org Process Res Dev. 2015. PMID: 26622165 Free PMC article. Review.
To address this issue, limiting oxygen concentration (LOC) values, which define the minimum partial pressure of oxygen that supports a combustible mixture, have been measured for nine commonly used organic solvents at elevated temperatures and pressures. The solvents include a …
To address this issue, limiting oxygen concentration (LOC) values, which define the minimum partial pressure of oxygen that supports a combu …
Synthesis of aspartame precursor with an immobilized thermolysin in tert-amyl alcohol.
Nagayasu T, Miyanaga M, Tanaka T, Sakiyama T, Nakanishi K. Nagayasu T, et al. Biotechnol Bioeng. 1994 May;43(11):1118-23. doi: 10.1002/bit.260431116. Biotechnol Bioeng. 1994. PMID: 18615524
N-(Benzyloxycarbonyl)-L-aspartyl-L-phenylalanine methyl ester (Z-AspPheOMe), a precursor of the synthetic sweetner asparatame, was synthesized from N-(benzyloxycarbolyl)-L-aspartic acid (Z-Asp) and L-phenylalanine methyl ester (PheOMe) with an immobilized thermolysin in various o …
N-(Benzyloxycarbonyl)-L-aspartyl-L-phenylalanine methyl ester (Z-AspPheOMe), a precursor of the synthetic sweetner asparatame, was synthesiz …
Toward a More Sustainable Sample Preparation in Phytochemistry: Case Studies in Four Subclasses of Alkaloids.
Chibli LA, de Lima BR, Carneiro AM, Figueiró HC, Cicek SS, Spiegler V, Funari CS. Chibli LA, et al. J Nat Prod. 2024 Mar 22;87(3):470-479. doi: 10.1021/acs.jnatprod.3c01048. Epub 2024 Feb 21. J Nat Prod. 2024. PMID: 38381880
The recommended EtOAc could completely replace CH(2)Cl(2) in three out of four study cases and partially in the fourth case without harming the extraction efficiency. In addition, the alternative solvents tert-amyl methyl ether (TAME) and n-butyl acetate (BuO …
The recommended EtOAc could completely replace CH(2)Cl(2) in three out of four study cases and partially in the fourth case without harming …
Effects of hydroquinone-type and phenolic antioxidants on calcium signals and degranulation of RBL-2H3 cells.
Akasaka R, Teshima R, Kitajima S, Momma J, Inoue T, Kurokawa Y, Ikebuchi H, Sawada J. Akasaka R, et al. Biochem Pharmacol. 1996 Jun 14;51(11):1513-9. doi: 10.1016/0006-2952(96)00092-5. Biochem Pharmacol. 1996. PMID: 8630092
We previously reported that a hydroquinone-type antioxidant, 2,5-di(tert-butyl)-1,4-hydroquinone (DTBHQ), increases intracellular free Ca2+ concentration ([Ca2+]i), causes degranulation together with a protein kinase C activator, phorbol 12-myristate 13-acetate (TPA), and …
We previously reported that a hydroquinone-type antioxidant, 2,5-di(tert-butyl)-1,4-hydroquinone (DTBHQ), increases intracellular free Ca2+ …
The frequency of ethanol, higher alcohols and other low molecular weight volatiles in postmortem blood samples from unnatural deaths.
Boumba VA, Exadactylou P, Velivasi G, Ziavrou KS, Fragkouli K, Kovatsi L. Boumba VA, et al. Forensic Sci Int. 2022 Dec;341:111503. doi: 10.1016/j.forsciint.2022.111503. Epub 2022 Oct 20. Forensic Sci Int. 2022. PMID: 36283278
This contribution aims to determine in 1954 postmortem blood samples, from respective number of unnatural deaths autopsy cases, the frequency of detection of some common volatile compounds, including acetaldehyde, acetone, 2-propanol, ethyl acetate, methanol, as well as, t …
This contribution aims to determine in 1954 postmortem blood samples, from respective number of unnatural deaths autopsy cases, the frequenc …
Formulation of hydrophobic peptides for skin delivery via coated microneedles.
Zhao X, Coulman SA, Hanna SJ, Wong FS, Dayan CM, Birchall JC. Zhao X, et al. J Control Release. 2017 Nov 10;265:2-13. doi: 10.1016/j.jconrel.2017.03.015. Epub 2017 Mar 9. J Control Release. 2017. PMID: 28286315
The formulation, comprising three co-solvents (water, 2-methyl-2-butanol and acetic acid) and polyvinylalcohol 2000 (PVA2000) can dissolve both hydrophilic and hydrophobic peptide auto-antigens at relatively high, and clinically relevant, concentrations (25mg/ml or 12.5mg/ …
The formulation, comprising three co-solvents (water, 2-methyl-2-butanol and acetic acid) and polyvinylalcohol 2000 (PVA2000) can dis …
Aroma patterns of Beijing rice vinegar and their potential biomarker for traditional Chinese cereal vinegars.
Zhang X, Wang P, Xu D, Wang W, Zhao Y. Zhang X, et al. Food Res Int. 2019 May;119:398-410. doi: 10.1016/j.foodres.2019.02.008. Epub 2019 Feb 5. Food Res Int. 2019. PMID: 30884670
The concentration of volatile acids was 1948.01 mug/100 mL with acetic acid the most dominant one (> 90%). Acetic acid and 3-hydroxy-2-butanone were representative compounds for vinegarization stage and could be the potential biomarkers. ...
The concentration of volatile acids was 1948.01 mug/100 mL with acetic acid the most dominant one (> 90%). Acetic acid and …
Stability of immobilized thermolysin in organic solvents.
Miyanaga M, Ohmori M, Imamura K, Sakiyama T, Nakanishi K. Miyanaga M, et al. J Biosci Bioeng. 1999;87(4):463-72. doi: 10.1016/s1389-1723(99)80095-4. J Biosci Bioeng. 1999. PMID: 16232500
Various factors affecting the stability of thermolysin immobilized by cross-linking with glutaraldehyde were elucidated, particularly in the water-immiscible organic solvents such as ethyl acetate and tert-amyl alcohol. The main reason for enzyme inactivation …
Various factors affecting the stability of thermolysin immobilized by cross-linking with glutaraldehyde were elucidated, particularly in the …
Air-water transfer of MTBE, its degradation products, and alternative fuel oxygenates: the role of temperature.
Arp HP, Schmidt TC. Arp HP, et al. Environ Sci Technol. 2004 Oct 15;38(20):5405-12. doi: 10.1021/es049286o. Environ Sci Technol. 2004. PMID: 15543744
In contrast, the environmental behavior of the proposed alternatives to MTBE, namely ethyl tert-butyl ether (ETBE), tert-amyl methyl ether (TAME), and diisopropyl ether (DIPE) has hardly been studied yet, although some of them are already in substantial use in vario …
In contrast, the environmental behavior of the proposed alternatives to MTBE, namely ethyl tert-butyl ether (ETBE), tert-amyl …
26 results