4.4 Article

Evaluation of a Gelatin-Modified Poly(ε-Caprolactone) Film as a Scaffold for Lung Disease

Journal

ANALYTICAL LETTERS
Volume 50, Issue 1, Pages 219-232

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/00032719.2016.1163363

Keywords

Biopolymers; immobilization; tissue cell culture; tissue engineering; viability

Funding

  1. European Union [258909]

Ask authors/readers for more resources

Lung transplantation is a necessary step for the patients with the end stage of chronic obstructive pulmonary disease. The use of artificial lungs is a promising alternative to natural lung transplantation which is complicated and is restricted by low organ donations. For successful lung engineering, it is important to choose the correct combination of specific biological cells and a synthetic carrier polymer. The focus of this study was to investigate the interactions of human lung epithelial cell line NCl-H292 that is involved in lung tissue development with the biodegradable poly(epsilon-caprolactone) before and after its chemical modification to evaluate potential for use in artificial lung formation. Also, the effect of polymer chemical modification on its mechanical and surface properties has been investigated. The poly(epsilon-caprolactone) surface was modified using aminolysis followed by immobilization of gelatin. The unmodified and modified polymer surfaces were characterized for roughness, tensile strength, and NCl-H292 metabolic cell activity. The results showed for the first time the possibility for NCI-H292 cells to adhere on this polymeric material. The resazurin assay showed that the metabolic activity at 24h postseeding of 80% in the presence of the unmodified and greater than 100% in the presence of the modified polymer was observed. The roughness of the poly(epsilon-caprolactone) increased from 4 to 26nm and the film strength increased from 0.01 to 0.045 kN when the material was chemically modified. The results obtained to date show potential for using modified poly(epsilon-caprolactone) as a scaffold for lung tissue engineering.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.4
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

Article Chemistry, Analytical

Fabrication of a Gold Dual-Microelectrode Patterned on a Silicone Substrate Probe for the Discrimination of Different Tissues

Justina A. Ugwah, Dr Niall Savage, Dr Walter Messina, Dr Brian D. O. Donnell, Dr Martin J. O'Sullivan, Dr Eric J. Moore

Summary: A gold dual-microelectrode bioimpedance sensor was designed, fabricated, and validated for potential application in cancer diagnostics. The sensor successfully differentiated between different tissue types and provided novel data for cancer diagnostics. Testing on meat and a gel/lard phantom demonstrated excellent electrochemical recording potential of the sensor.

ELECTROANALYSIS (2021)

Article Chemistry, Analytical

Development of a Mobile Analytical Chemistry Workstation Using a Silicon Electrochromatography Microchip and Capacitively Coupled Contactless Conductivity Detector

Yineng Wang, Xi Cao, Walter Messina, Anna Hogan, Justina Ugwah, Hanan Alatawi, Ed van Zalen, Eric Moore

Summary: Capillary electrochromatography (CEC) combines liquid chromatography (LC) and capillary electrophoresis (CE), providing rapid separations, high efficiency, and high selectivity. The use of capacitively coupled contactless conductivity detection (CD-D-4) allows for contactless electrode configuration, preventing contamination.

MICROMACHINES (2021)

Article Chemistry, Medicinal

Comparative Study of Dissolution for Cannabidiol in EU and US Hemp Oil Products by HPLC

S. Analakkattillam, V. K. Langsi, J. P. Hanrahan, E. Moore

Summary: A simple and robust HPLC method was developed for dissolution studies of CBD in hemp oil products for the first time, with in-house validated assay test and comparison of dissolution profiles from products purchased in the US and Europe. The study also investigated the effect of CBD release percentage on agitation speed and dissolution runtime.

JOURNAL OF PHARMACEUTICAL SCIENCES (2021)

Article Chemistry, Analytical

An electrochemical sensor for voltammetric detection of ciprofloxacin using a glassy carbon electrode modified with activated carbon, gold nanoparticles and supramolecular solvent

Netsirin Gissawong, Supalax Srijaranai, Suthasinee Boonchiangma, Pikaned Uppachai, Kompichit Seehamart, Sakwiboon Jantrasee, Eric Moore, Siriboon Mukdasai

Summary: A highly sensitive and novel electrochemical sensor has been developed for the detection of ciprofloxacin by combining gold nanoparticles deposited with waste coffee ground activated carbon and supramolecular solvent. The sensor showed good electrocatalytic activity and achieved high recoveries and low relative standard deviations in milk samples. The developed method was successfully applied in the analysis of pharmaceutical formulations and compared with high-performance liquid chromatography.

MICROCHIMICA ACTA (2021)

Article Chemistry, Analytical

Real-Time Impedance Monitoring of Alkaline Phosphatase (ALP) Release by Microelectrode Arrays

Thanih Balbaied, Eric Moore

Summary: The study proposed a method using biosensor-based strategies for real-time monitoring of ALP release from human colon cancer cells, facilitating understanding of cancer progression and emerging diseases. Results showed a correlation between cell response and changes in impedance magnitude and current, influencing cell morphology and viability. The developed method represents an advance over current techniques and may contribute to microfluidic testing development for small-scale techniques.

ANALYTICAL LETTERS (2022)

Article Chemistry, Analytical

Determination of Pharmaceuticals in Surface and Wastewater by Capillary Electrophoresis (CE): A Minireview

Emma O'Sullivan-Carroll, Stewart Howlett, Carmel Pyne, Paul Downing, Ana Rafael, Marguerite Lynch, Anna Maria Hogan, Eric J. Moore

Summary: The detection of pharmaceuticals in surface and wastewater is becoming increasingly important for environmental monitoring due to the devastating effects caused by pharmaceutical release. Capillary electrophoresis coupled with solid-phase extraction provides effective detection of pharmaceutical contaminants in water.

ANALYTICAL LETTERS (2022)

Article Biochemical Research Methods

Fast determination of paracetamol and its hydrolytic degradation product p-aminophenol by capillary and microchip electrophoresis with contactless conductivity detection

Hanan Alatawi, Anna Hogan, Ibtihaj Albalawi, Emma O'Sullivan-Carroll, Yineng Wang, Eric Moore

Summary: In this study, a simple and fast method using capillary electrophoresis and microchip electrophoresis with capacitively coupled contactless conductivity detection was developed for the detection and separation of paracetamol and its hydrolysis product. The method showed rapid analysis time, high efficiency and precision, low cost, and reduced consumption of reagents. This microchip system proved to be an excellent analytical technique for fast and reliable environmental applications.

ELECTROPHORESIS (2022)

Article Chemistry, Analytical

Electrochemical Development of an Immunosensor for Detection Polychlorinated biphenyls (PCBs) for Environmental Analysis

Samia Alsefri, Thanih Balbaied, Eric Moore

Summary: Polychlorinated biphenyls (PCBs) are highly toxic synthetic chemical compounds that can cause serious ailments to living organisms. The development of an electrochemical immunosensor for PCB detection discussed in this paper offers potential for rapid sample screening in a portable, disposable format for effective control and prevention of PCBs in the environment.

CHEMOSENSORS (2021)

Article Biochemical Research Methods

Rapid determination of NSAIDs by capillary and microchip electrophoresis with capacitively coupled contactless conductivity detection in wastewater

Hanan Alatawi, Anna Hogan, Ibtihaj Albalawi, Emma O'Sullivan-Carroll, Samia Alsefri, Yineng Wang, Eric Moore

Summary: A simple and rapid method using CE and microchip electrophoresis has been developed for the separation of four nonsteroidal anti-inflammatory drugs (NSAIDs) in environmental samples. The method showed excellent repeatability, good sensitivity, low cost, high sample throughputs, portable instrumentation, and extremely lower reagent and sample consumption.

ELECTROPHORESIS (2022)

Article Biochemistry & Molecular Biology

Estimation of the Number of Scans Required per Hard-to-Clean Location and Establishing the Limit of Quantification of a Partial Least Squares Calibration Model When the FTIR Is Used for Pharmaceutical Cleaning Verification

Apu Sarwar, Conor McSweeney, Mark Smith, Eric Moore

Summary: This study aims to identify two critical components required for pharmaceutical cleaning verification when an FTIR is used: the number of scans required per hard-to-clean location, and the limit of quantification (LOQ) of the FTIR instrument when measuring surface contamination. The current practice in pharmaceutical manufacturing does not require multiple samples, but this study suggests that collecting a sufficient number of samples is necessary to ensure measurement results are close to the true value. Furthermore, the study addresses the complexity in calculating the LOQ when dealing with complex experimental data.

MOLECULES (2022)

Article Chemistry, Analytical

Electrochemical Synthesis of Reduced Graphene Oxide/Gold Nanoparticles in a Single Step for Carbaryl Detection in Water

Ibtihaj Albalawi, Hanan Alatawi, Samia Alsefri, Eric Moore

Summary: In this study, a new in situ synthesis approach was employed to detect carbaryl species using a disposable electrode, which showed superior sensitivity and selectivity for measuring carbaryl concentration in river and tap water samples.

SENSORS (2022)

Article Multidisciplinary Sciences

Analytical method validation for assay determination of cannabidiol and tetrahydrocannabinol in hemp oil infused products by RP-HPLC

Sandhyarani Analakkattillam, Victor K. Langsi, John P. Hanrahan, Eric Moore

Summary: A simple and validated RP-HPLC method has been developed for determining the levels of cannabidiol and tetrahydrocannabinol in hemp oil infused products. The method meets regulatory requirements and can be used for regular quality control and assay purposes.

SCIENTIFIC REPORTS (2022)

Article Chemistry, Analytical

Development of the QuEChERS Extraction Method for the Determination of Polychlorinated Biphenyls (Aroclor 1254) in Soil Samples by Using GC-MS

Samia Alsefri, Thanih Balbaied, Hanan Alatawi, Ibtihaj Albalawi, Anna Hogan, Eric Moore

Summary: PCBs have been detected in soil due to industrial pollution in the past two decades, despite being banned. Therefore, it is crucial to develop an analytical method to identify and monitor the sources of PCBs. This study presents a gas chromatography with mass spectrometry technique using the QuEChERS method to effectively extract and detect PCBs in soil samples. The method was found to be simple, sensitive, efficient, and environmentally friendly.

SEPARATIONS (2023)

Article Chemistry, Analytical

Identifying pharmaceutical manufacturing equipment ' s surface roughness and mitigating robustness concerns when using specular reflectance Fourier-transform infrared (FTIR) spectroscopy for rapid cleaning verification

Apu Sarwar, Conor McSweeney, Joep Timmermans, Eric Moore

Summary: Preventing cross-contamination is a regulatory requirement in the pharmaceutical manufacturing industry. The use of real-time infrared spectroscopy can accurately measure surface cleanliness in pharmaceutical manufacturing.

TALANTA OPEN (2022)

Article Chemistry, Analytical

A sensitive electrochemical analysis for cadmium and lead based on Nafion-Bismuth film in a water sample

Ibtihaj Albalawi, Anna Hogan, Hanan Alatawi, Eric Moore

Summary: This study introduces a simple, low-cost, sensitive, and environmentally friendly approach for simultaneous electrochemical determination of lead and cadmium using a commercial screen-printed gold electrode with Nafion and in situ bismuth film. The developed sensor showed high sensitivity and good repeatability with detection limits below EPA limits, making it suitable for analysis of river and tap water samples. By using anodic stripping square voltammetry, cyclic voltammetry, and scanning electron microscopy, the electrochemical properties and composite film characteristics were investigated.

SENSING AND BIO-SENSING RESEARCH (2021)

No Data Available