Search Results - "Cristina Popa"

Ethylene Measurements from Sweet Fruits Flowers Using Photoacoustic Spectroscopy by Popa, Cristina

“…Ethylene is a classical plant hormone and has appeared as a strong molecule managing many physiological and morphological reactions during the life of a plant…”
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In situ fluorescence measurements of dissolved organic matter: A review by Carstea, Elfrida M., Popa, Cristina L., Baker, Andy, Bridgeman, John

“…There is a need for an inexpensive, reliable and fast monitoring tool to detect contaminants in a short time, for quick mitigation of pollution sources and…”
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Infrared spectroscopy study of the influence of inhaled vapors/smoke produced by cigarettes of active smokers by Popa, Cristina

“…While much is known about the effect of smoke and vapors on the composition of blood, little is known about their impact on the composition of breath. When…”
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Gas-rich and gas-poor structures through the stream velocity effect by Popa, Cristina, Naoz, Smadar, Marinacci, Federico, Vogelsberger, Mark

“…Using adiabatic high-resolution numerical simulations, we quantify the effect of the streaming motion of baryons with respect to dark matter at the time of…”
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Effect of Wearing Surgical Face Masks on Gas Detection from Respiration Using Photoacoustic Spectroscopy by Popa, Cristina, Petrus, Mioara, Bratu, Ana Maria

“…Wearing surgical face masks is among the measures taken to mitigate coronavirus disease (COVID-19) transmission and deaths. Lately, concern was expressed about…”
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Applications of Near Infrared Photoacoustic Spectroscopy for Analysis of Human Respiration: A Review by Dumitras, Dan C, Petrus, Mioara, Bratu, Ana-Maria, Popa, Cristina

“…In this review, applications of near-infrared photoacoustic spectroscopy are presented as an opportunity to evaluate human respiration because the measurement…”
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Estimation of Microplastics Emitted by Bucharest Households in Wastewater Treatment Plants by Dontu, Simona, Popa, Cristina L., Carstea, Elfrida M., Savastru, Dan

“…Wastewater treatment plants release substantial amounts of microplastics (MPs) into the environment. Various models and scenarios have been developed to…”
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Identification of Absorption Spectrum for IED Precursors Using Laser Photoacoustic Spectroscopy by Bratu, Ana-Maria, Petrus, Mioara, Popa, Cristina

“…Among the many commonly encountered hazards, improvised explosive devices (IEDs) remain the primary threat to military and civilian personnel due to the ease…”
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Alfalfa ( Medicago sativa ) Sprouts Respiratory Responses to Cadmium Stress Using IR LPAS by Popa, Cristina, Petrus, Mioara, Bratu, Ana Maria

“…Cadmium (Cd) is not considered a fundamental element for plants inducing general growth disturbances and inhibition in many species of plants. The purpose of…”
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Mapping substructure in the HST Frontier Fields cluster lenses and in cosmological simulations by Natarajan, Priyamvada, Chadayammuri, Urmila, Jauzac, Mathilde, Richard, Johan, Kneib, Jean-Paul, Ebeling, Harald, Jiang, Fangzhou, van den Bosch, Frank, Limousin, Marceau, Jullo, Eric, Atek, Hakim, Pillepich, Annalisa, Popa, Cristina, Marinacci, Federico, Hernquist, Lars, Meneghetti, Massimo, Vogelsberger, Mark

“…Abstract We map the lensing-inferred substructure in the first three clusters observed by the Hubble Space Telescope Frontier Fields (HSTFF) Initiative: Abell…”
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The Assessment of Carbon Dioxide Dissociation Using a Single-Mode Microwave Plasma Generator by Mogildea, George, Mogildea, Marian, Popa, Cristina, Chiritoi, Gabriel

“…This paper focuses on the dissociation of carbon dioxide (CO ) following the absorption processes of microwave radiation by noncontact metal wire (tungsten)…”
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Release of Fluorescent Organic Matter by Polystyrene in Aquatic Systems by Carstea, Elfrida M., Popa, Cristina L., Dontu, Simona I., Savastru, Dan

“…Polystyrene has been extensively used in various industries and consumer products, leading to high quantities of waste. In areas with improper waste…”
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Influence of Plastic on Particle Size Distribution in Aquatic Systems by Popa, Cristina L., Carstea, Elfrida M., Dontu, Simona I., Tenciu, Daniel

“…Plastic materials are used in various domains, such as constructions, textile, or medical applications, due to their durability and versatility. Despite…”
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Potential Discharge of Microplastics in Surface Runoff—Bucharest Case Study by Popa, Cristina L., Dontu, Simona I., Carstea, Elfrida M., Savastru, Dan

“…Plastic particles reach and accumulate the water systems through various routes, including dry/wet deposition or surface runoff. Considering that there are not…”
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COVID-19 Crisis - A Test for European Union’s Solidarity by Elena, Popa Cristina

“…The crises the European Union has gone through over time have called into question the Union’s legitimacy and efficiency. The 2008-2009 financial crisis, the…”
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Ammonia Concentration in Ambient Air in a Peri-Urban Area Using a Laser Photoacoustic Spectroscopy Detector by Petrus, Mioara, Popa, Cristina, Bratu, Ana-Maria

“…Measuring ammonia from the environmental air is a sensitive and prioritized issue due to its harmful effects on humans, ecosystems, and climate. Ammonia is an…”
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Monitoring of Post-Harvest Maturation Processes inside Stored Fruit Using Photoacoustic Gas Sensing Spectroscopy by Bratu, Ana Maria, Petrus, Mioara, Popa, Cristina

“…Gases produced inside harvested fruit sensitively influence the continuing quality of the stored fruit and its maximum time of storability. In this work, the…”
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Non-destructive methods for fruit quality evaluation by Bratu, Ana-Maria, Popa, Cristina, Bojan, Mihaela, Logofatu, Petre Catalin, Petrus, Mioara

“…This work studies the evolution in time of several varieties of apples with application in quality storage maintenance. Two different methods were used to…”
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Experimental Investigation on Water Adsorption Using Laser Photoacoustic Spectroscopy and Numerical Simulations by Popa, Cristina, Petrus, Mioara, Bratu, Ana Maria, Negut, Irina

“…In the present research we propose a model to assess the water vapors adsorption capacity of a SiO2 trap in the breathing circuit, aiming to reduce the loading…”
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Evaluation of the Antimicrobial Activity of Different Antibiotics Enhanced with Silver-Doped Hydroxyapatite Thin Films by Predoi, Daniela, Popa, Cristina Liana, Chapon, Patrick, Groza, Andreea, Iconaru, Simona Liliana

“…The inhibitory and antimicrobial effects of silver particles have been known since ancient times. In the last few years, a major health problem has arisen due…”
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