Jay Runwal - Academia.edu (original) (raw)

Jay Runwal

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Papers by Jay Runwal

Research paper thumbnail of Enteral feeding strategy for newborns with necrotizing enterocolitis

Voprosy detskoj dietologii, 2020

Study objective. To optimize the recommendations on the strategy of enteral feeding for newborn b... more Study objective. To optimize the recommendations on the strategy of enteral feeding for newborn babies with necrotizing enterocolitis (NEC). Patients and methods. A single-centre, observational, prospective, analytical, cohort study of 186 infants aged from 2 days to 2 months (96 boys, 90 girls) with the verified diagnosis of NEC of varied severity, who were treated at the neonatal pathology department of Moscow G.N.Speransky Children’s City Clinical Hospital No 9 in 2016-2018. The patients were divided into 2 groups, depending on disease staging according to the Walsh and Kliegman classification: group I – 124 (66.7%) newborns with mild NEC (stage 1A, B and 2A) and group II – 62 (33.3%) patients with a severe course (stages 2B and 3A, B). Results. As has been found, maternal risk factors for the development of severe forms of NEC in newborns are: maternal age over 40 years (OR = 1.40, 95% CI 0.83–2.17), assisted reproductive technologies (OR = 2.62, 95% CI 1.79–3.66), bad obstetric...

Research paper thumbnail of A novel process for spheroidization of irregular shaped metallic powders

Powder Metallurgy, 2020

ABSTRACT Spherical morphology of metallic powder particles has great demand in powder industry. M... more ABSTRACT Spherical morphology of metallic powder particles has great demand in powder industry. Manufacturing of such powders requires more energy which makes spherical powders expensive, whereas manufacturing irregular shaped powders is much cheaper. In present context, there has been an attempt in designing and fabricating a laboratory scale apparatus and an economical process to convert irregular powder into spherical morphology. Irregular shaped water atomised powder (size: 25–75 µm) was continuously fed into new apparatus for comminution. The processed powders were subjected to characterization using scanning electron microscopy, circularity analysis, and flow time analysis. Optimum process parameters for obtaining spherical powders have been established for the given powder. An increase in degree of spheroidization from 33.77 to 88.65% has been observed, likewise a significant increment in apparent density and decreased flow time has been recorded. It was established that cyclic wear mechanism was the predominant phenomenon in achieving improved degree of spheroidization.

Research paper thumbnail of Enteral feeding strategy for newborns with necrotizing enterocolitis

Voprosy detskoj dietologii, 2020

Study objective. To optimize the recommendations on the strategy of enteral feeding for newborn b... more Study objective. To optimize the recommendations on the strategy of enteral feeding for newborn babies with necrotizing enterocolitis (NEC). Patients and methods. A single-centre, observational, prospective, analytical, cohort study of 186 infants aged from 2 days to 2 months (96 boys, 90 girls) with the verified diagnosis of NEC of varied severity, who were treated at the neonatal pathology department of Moscow G.N.Speransky Children’s City Clinical Hospital No 9 in 2016-2018. The patients were divided into 2 groups, depending on disease staging according to the Walsh and Kliegman classification: group I – 124 (66.7%) newborns with mild NEC (stage 1A, B and 2A) and group II – 62 (33.3%) patients with a severe course (stages 2B and 3A, B). Results. As has been found, maternal risk factors for the development of severe forms of NEC in newborns are: maternal age over 40 years (OR = 1.40, 95% CI 0.83–2.17), assisted reproductive technologies (OR = 2.62, 95% CI 1.79–3.66), bad obstetric...

Research paper thumbnail of A novel process for spheroidization of irregular shaped metallic powders

Powder Metallurgy, 2020

ABSTRACT Spherical morphology of metallic powder particles has great demand in powder industry. M... more ABSTRACT Spherical morphology of metallic powder particles has great demand in powder industry. Manufacturing of such powders requires more energy which makes spherical powders expensive, whereas manufacturing irregular shaped powders is much cheaper. In present context, there has been an attempt in designing and fabricating a laboratory scale apparatus and an economical process to convert irregular powder into spherical morphology. Irregular shaped water atomised powder (size: 25–75 µm) was continuously fed into new apparatus for comminution. The processed powders were subjected to characterization using scanning electron microscopy, circularity analysis, and flow time analysis. Optimum process parameters for obtaining spherical powders have been established for the given powder. An increase in degree of spheroidization from 33.77 to 88.65% has been observed, likewise a significant increment in apparent density and decreased flow time has been recorded. It was established that cyclic wear mechanism was the predominant phenomenon in achieving improved degree of spheroidization.

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