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Filename: drivers/Session_files_driver.php
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Filename: Session/Session.php
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File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Function: _error_handler
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Filename: controllers/Detail.php
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Filename: models/Detail_model.php
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Function: strpos
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Function: insertAPISummary
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Filename: helpers/my_audit_helper.php
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Function: str_replace
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Function: formatAIDetailSummary
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Filename: controllers/Detail.php
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File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Iminodiacetic acid (IDA) is widely used as an intermediate in the manufacture of chelating agents, glyphosate herbicides and surfactants. In the current work, the fragment with the length of 1,110 bp encoding the Acidovorax facilis nitrilase was obtained. The recombinant nitrilase expressed in Escherichia coli BL21 (DE3) was successfully used in the production of IDA from iminodiacetonitrile. To improve the stability of operation, the recombinant cells were entrapped in polyvinyl alcohol (PVA) and sodium alginate (SA) copolymer. The maximum relative nitrilase activity with 98.1% was further observed at 1.0% SA, 8.0% PVA, 1.0% CaCl(2), and 5.0% wet cells, under conditions of 1.0% iminodiacetonitrile in distilled water and a temperature of 40°C, respectively. The entrapped cells facilitated easy separation and good recycling compared with free cells. Moreover, the immobilized cells showed good operation and storage stability. This report is the first to describe IDA preparation using immobilized recombinant E. coli harboring nitrilase.
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http://dx.doi.org/10.1159/000337055 | DOI Listing |
Molecules
November 2024
Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8, HR-31000 Osijek, Croatia.
Amino acids (AAs) have broad nutritional, therapeutic, and medical significance and thus are one of the most common active ingredients of nutritional supplements. Analytical strategies for determining AAs are high-priced and often limited to methods that require modification of AA polarity or incorporation of an aromatic moiety. The aim of this work was to develop a new method for the determination of L-arginine, L-ornithine, and L-lysine on low-cost microchip electrophoresis instrumentation conjugated with capacitively coupled contactless conductivity detection.
View Article and Find Full Text PDFSci Rep
November 2024
Department of Chemistry, Shahrood Branch, Islamic Azad University, Shahrood, Iran.
Aza-Diels-Alder cycloaddition reaction is a critical synthetic method for the production of bioactive tetrahydroquinolines. To this aim, an imine obtained from the reaction of an aniline derivative and a carbonyl compound is cyclized with an alkene in the presence of a catalyst. In this research, some tetrahydroquinoline compounds are synthesized through aza-Diels-Alder reaction in the presence of a prepared Ce(III) immobilized on the functionalized halloysite (Ce/Hal-TCT-IDA) as a catalyst.
View Article and Find Full Text PDFCureus
October 2024
Radiology, Tempe St. Luke's Hospital, Tempe, USA.
A rare complication of laparoscopic cholecystectomy is a biloma, which usually develops as a result of the dissection of non-visible, abnormal ducts of Luschka. This anatomical variation in the bile ducts was initially overlooked within the biliary tree. While it generally holds minimal clinical significance, it may occasionally lead to bile leakage following cholecystectomy.
View Article and Find Full Text PDFObes Surg
November 2024
Center of Excellence of European Branch of International Federation for Surgery of Obesity, Hazrat-e Rasool Hospital, Tehran, Iran.
Background: Bile reflux (BR) is an issue after one anastomosis gastric bypass (OAGB). Cholecystectomy can increase BR in patients without a history of metabolic and bariatric surgery. We aimed to evaluate the effect of cholecystectomy on BR after OAGB.
View Article and Find Full Text PDFChem Asian J
November 2024
School of Chemistry and Physics, Queensland University of Technology, Brisbane, QLD, 4000, Australia.
Rechargeable and flexible aqueous batteries (ABs) have emerged as one of promising energy devices which is primarily due to the safety, environmental friendliness and economic efficiency. However, because of the freezing behavior of aqueous electrolytes, most ABs possess poor performance when the working temperature drops below zero. To solve this problem, a gel polymer electrolyte (GPE) with high ionic conductivity (IC) and frost-resistance is designed for aqueous Zn-Li hybrid batteries by a biomass-based polymers complex consisting of carboxyl modified sodium alginate (SA) and zwitterionic betaine (BA).
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