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RISS 인기검색어
- 검색키워드
- 저자 : Vasudha Bansal (검색결과 7 건)
- 무료
- 기관 내 무료
- 유료
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Review on quantitation methods for hazardous pollutants released by e-cigarette (EC) smoking
Bansal, Vasudha,Kim, Ki-Hyun Elsevier 2016 Trends in analytical chemistry Vol.78 No.-
<P>Due to the growing popularity of e-cigarettes (ECs), the number of young EC smokers has increased since their introduction less than a decade ago. This development has alarmed public health experts, prompting researchers to identify potential hazards of EC use and to help establish guidelines or regulations for the pollutants contained in EC solutions and released in their smoke (such as particulate matter (PM), volatile organic compounds (VOCs), nicotine, polycyclic aromatic compounds (PAHs), carbonyls, and metals). This review was written to cover the techniques currently available for the collection and analysis of EC related pollutants. To this end, this review emphasizes the compositional diversity of the various components present in EC solutions and their smoke. The methods used to analyze different types of EC samples are also evaluated to help establish a standardized protocol for their accurate quantitation. (C) 2016 Elsevier B.V. All rights reserved.</P>
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Metal-organic frameworks (MOFs) as futuristic options for wastewater treatment
Kumar, Pawan,Bansal, Vasudha,Kim, Ki-Hyun,Kwon, Eilhann E. Elsevier 2018 Journal of industrial and engineering chemistry Vol.62 No.-
<P><B>Abstract</B></P> <P>To date, the utilization of metal-organic frameworks (MOFs) is found from numerous fields of applications including separation, storage, sensing, and many other miscellaneous ones. Their feasibility toward wastewater treatment (WWT) for several pollutants (e.g., heavy metal ions, pesticides, volatile organic pollutants (VOCs), and other hazardous chemicals) has not yet been thoroughly evaluated. Here, we attempted to provide the current technical advances associated with MOF-based WWT in reference to conventional materials. Our review emphasized current perspectives on contamination processes in water systems and performance of MOF in diverse WWT applications.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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Metal-organic frameworks (MOFs) as futuristic options for wastewater treatment
Pawan Kumara,Vasudha Bansal,김기현,Eilhann E.Kwon 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.62 No.-
To date, the utilization of metal-organic frameworks (MOFs) is found from numerous fields of applications including separation, storage, sensing, and many other miscellaneous ones. Their feasibility toward wastewater treatment (WWT) for several pollutants (e.g., heavy metal ions, pesticides, volatile organic pollutants (VOCs), and other hazardous chemicals) has not yet been thoroughly evaluated. Here, we attempted to provide the current technical advances associated with MOF-based WWT in reference to conventional materials. Our review emphasized current perspectives on contamination processes in water systems and performance of MOF in diverse WWT applications.
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TP53 Polymorphisms in Sporadic North Indian Breast Cancer Patients
Sharma, Sarika,Sambyal, Vasudha,Guleria, Kamlesh,Manjari, Mridu,Sudan, Meena,Uppal, Manjit Singh,Singh, Neeti Rajan,Bansal, Darpan,Gupta, Arun Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.16
Background: The purpose of this study was to evaluate the potential association of five (p.P47S, p.R72P, PIN3 Ins16bp, p.R213R and r.13494g>a) polymorphisms of TP53 with the risk of developing breast cancer in North Indian Punjabi population. Methods: We screened DNA samples of 200 sporadic breast cancer patients (197 females and 3 males) and 200 unrelated healthy, gender and age matched individuals for the polymorphisms. Results: For the p.P47S polymorphism, we observed the PP genotype in 99.5% of the patients and PS genotype in only 1 patient. All the controls had the wild type PP genotype. The frequency of RR, RP and PP genotype of p.R72P was 23.5% vs 33.5%, 51.5% vs 45.5% and 25% vs 21% in patients and controls respectively. Heterozygous (RP) genotype was increased in breast cancer patients as compared to controls (51.5 vs 45.5%) and showed 1.61 fold significantly increased risk for breast cancer (OR=1.61, 95% CI, 1.01-2.58, p=0.04). In breast cancer patients the frequencies of A1A1, A1A2 and A2A2 genotypes of PIN3 Ins16bp polymorphism were 67%, 26% and 7% respectively whereas in controls the genotype frequencies were 68.5%, 27.5% and 4% respectively, with no significant difference. For p.R213R (c.639A>G), all individuals had homozygous wild type genotype. The frequencies of GG, GA and AA genotypes of TP53 r.13494g>a polymorphism were 62 vs 67.5%, 33 vs 28% and 5 vs 4.5% in patients and controls respectively, again without significant difference. We observed that RP-A1A1 genotype combination of p.R72P and PIN3 Ins16bp and RP-GG combination of p.R72P and r.13494g>a polymorphism showed significant risk of breast cancer (OR=1.65, 95%CI: 0.98-2.78, p=0.05; OR=1.72, 95%CI: 1.01-2.92, p=0.04). Conclusion: The results of present study indicated that among the five TP53 polymorphisms investigated, the p.R72P polymorphism, and the RP-A1A1 and RP-GG genotype combination contribute to breast cancer susceptibility in North Indians.
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Progress in the sensing techniques for heavy metal ions using nanomaterials
Pawan Kumar,김기현,Vasudha Bansal,Theodore Lazarides,Naresh Kumar 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.54 No.-
The widespread pollution of toxic metals has drawn much attention due to its potential to harm both human health and the environment. Recently, a large volume of scientific literature has identified a potent role for nanomaterials in capturing, separating, and probing for such hazardous pollutants. This review discusses the opportunities and challenges in applying nanomaterials to sense hazardous metals in relation to their general working principles. This review evaluates their performance and advantages about conventional analytical methods. Our review also describes the basic features of this developing field to help establish a plan to counteract heavy metal ions contamination.
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Progress in the sensing techniques for heavy metal ions using nanomaterials
Kumar, Pawan,Kim, Ki-Hyun,Bansal, Vasudha,Lazarides, Theodore,Kumar, Naresh Elsevier 2017 Journal of industrial and engineering chemistry Vol.54 No.-
<P><B>Abstract</B></P> <P>The widespread pollution of toxic metals has drawn much attention due to its potential to harm both human health and the environment. Recently, a large volume of scientific literature has identified a potent role for nanomaterials in capturing, separating, and probing for such hazardous pollutants. This review discusses the opportunities and challenges in applying nanomaterials to sense hazardous metals in relation to their general working principles. This review evaluates their performance and advantages about conventional analytical methods. Our review also describes the basic features of this developing field to help establish a plan to counteract heavy metal ions contamination.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Heavy and transition metals ions (HTMs) are major concern due to potential health hazards. </LI> <LI> Merits/demerits of different sensing techniques are discussed using recent prominent studies. </LI> <LI> The performance of nanomaterials is discussed for sensing of HTMs. </LI> <LI> Nanomaterials are found as the perceptive tool for HTMs sensing. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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