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Evaluation of Delhi Population Based Cancer Registry and Trends of Tobacco Related Cancers
Yadav, Rajesh,Garg, Renu,Manoharan, N,Swasticharan, L,Julka, PK,Rath, GK Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.6
Background: Tobacco use is the single most important preventable risk factor for cancer. Surveillance of tobacco-related cancers (TRC) is critical for monitoring trends and evaluating tobacco control programmes. We analysed the trends of TRC and evaluated the population-based cancer registry (PBCR) in Delhi for simplicity, comparability, validity, timeliness and representativeness. Materials and Methods: We interviewed key informants, observed registry processes and analysed the PBCR dataset for the period 1988-2009 using the 2009 TRC definition of the International Agency for Research on Cancer. We calculated the percentages of morphologically verified cancers, death certificate-only (DCO) cases, missing values of key variables and the time between cancer diagnosis and registration or publication for the year 2009. Results: The number of new cancer cases increased from 5,854 to 15,244 (160%) during 1988-2009. TRC constituted 58% of all cancers among men and 47% among women in 2009. The age-adjusted incidence rates of TRC per 100,000 population increased from 64.2 to 97.3 among men, and from 66.2 to 69.2 among women during 1988-2009. Data on all cancer cases presenting at all major government and private health facilities are actively collected by the PBCR staff using standard paper-based forms. Data abstraction and coding is conducted manually following ICD-10 classifications. Eighty per cent of cases were morphologically verified and 1% were identified by death certificate only. Less than 1% of key variables had missing values. The median time to registration and publishing was 13 and 32 months, respectively. Conclusions: The burden of TRC in Delhi is high and increasing. The Delhi PBCR is well organized and generates high-quality, representative data. However, data could be published earlier if paper-based data are replaced by electronic data abstraction.
Yadav, Rajesh K.,Baeg, Jin-Ook,Oh, Gyu Hwan,Park, No-Joong,Kong, Ki-jeong,Kim, Jinheung,Hwang, Dong Won,Biswas, Soumya K. American Chemical Society 2012 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.134 No.28
<P>The photocatalyst–enzyme coupled system for artificial photosynthesis process is one of the most promising methods of solar energy conversion for the synthesis of organic chemicals or fuel. Here we report the synthesis of a novel graphene-based visible light active photocatalyst which covalently bonded the chromophore, such as multianthraquinone substituted porphyrin with the chemically converted graphene as a photocatalyst of the artificial photosynthesis system for an efficient photosynthetic production of formic acid from CO<SUB>2</SUB>. The results not only show a benchmark example of the graphene-based material used as a photocatalyst in general artificial photosynthesis but also the benchmark example of the selective production system of solar chemicals/solar fuel directly from CO<SUB>2</SUB>.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2012/jacsat.2012.134.issue-28/ja3009902/production/images/medium/ja-2012-009902_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja3009902'>ACS Electronic Supporting Info</A></P>
Yadav, Rajesh K.,Oh, Gyu Hwan,Park, No-Joong,Kumar, Abhishek,Kong, Ki-jeong,Baeg, Jin-Ook American Chemical Society 2014 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.136 No.48
<P>The successful development of a photocatalyst/biocatalyst integrated system that carries out selective methanol production from CO<SUB>2</SUB> is reported herein. The fine-tuned system was derived from a judicious combination of graphene-based visible light active photocatalyst (CCG-IP) and sequentially coupled enzymes. The covalent attachment of isatin-porphyrin (IP) chromophore to chemically converted graphene (CCG) afforded newly developed CCG-IP photocatalyst for this research endeavor. The current work represents a new benchmark for carrying out highly selective methanol formation from CO<SUB>2</SUB> in an environmentally benign manner.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2014/jacsat.2014.136.issue-48/ja509650r/production/images/medium/ja-2014-09650r_0007.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja509650r'>ACS Electronic Supporting Info</A></P>
Yadav, Dolly,Yadav, Rajesh K.,Kumar, Abhishek,Park, No‐,Joong,Kim, Jae Young,Baeg, Jin‐,Ook John WileySons, Inc. 2020 Journal of applied polymer science Vol.137 No.14
<P><B>ABSTRACT</B></P><P>C<SUB>60</SUB>‐based polymeric systems have been constantly anticipated for sustainable solar energy conversion. Reported, herein is a C<SUB>60</SUB> polymer film as visible light active photocatalyst for efficient and selective reduction of CO<SUB>2</SUB> for the first time. The C<SUB>60</SUB> polymer photocatalyst is synthesized via covalent coupling of C<SUB>60</SUB> monomer units consisting of tetra substituted C<SUB>60</SUB>‐pyrene conjugates through spacer groups. The synthesized C<SUB>60</SUB> polymer photocatalyst possesses an extended network of well‐defined repeating monomer units with good stability and visible light‐induced photocatalytic activity. The enhanced visible light harvesting ability of C<SUB>60</SUB> polymer photocatalyst reasonably yields it with higher catalytic ability than its monomer unit. The C<SUB>60</SUB> polymer film photocatalyst upon coupling with the biocatalyst carries out highly selective visible light driven reduction of CO<SUB>2</SUB> to HCOOH (239.46 μmol). The tandem way of incorporating C<SUB>60</SUB> into visible light active polymeric films for continuous use may be highly rewarding for their extended photocatalytic activity for solar fuel production from CO<SUB>2</SUB>. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. <B>2020</B>, <I>137</I>, 48536.</P>
Yadav, Rajesh K.,Kumar, Abhishek,Park, No-Joong,Kong, Ki-Jeong,Baeg, Jin-Ook The Royal Society of Chemistry 2016 Journal of Materials Chemistry A Vol.4 No.24
<P>Two-dimensional covalent organic frameworks (2D COFs) are a class of crystalline polymers with a design controllable platform that may be developed into a new type of metal-free photocatalyst. The exploration of new frameworks is, however, critical for further progress in this emerging field. To realize their full potential in practical light harvesting applications, the fabrication of a film type photocatalyst is equally essential. Here, we report the successful development of a triazine based covalent organic framework (2D CTF) as an inexpensive and highly efficient visible light active flexible film photocatalyst for solar fuel production from CO2. For this research work, the condensation polymerization between cyanuric chloride and perylene diimide has been exploited for the first time as a new synthetic approach to the construction of 2D CTFs. The visible light-harvesting capacity, suitable band gap and highly ordered π electron channels contribute to the excellent performance of the film photocatalyst. The current study is a benchmark example of COF based photocatalysts for solar fuel production from CO2and is expected to trigger further interest in potential solar energy conversion applications such as wearable devices.</P>
Yadav Sanjay Kumar,Silodia Ashutosh,Anand Aaryan,B Rajesh,Rai Roshni 대한내분비외과학회 2021 The Koreran journal of Endocrine Surgery Vol.21 No.2
Damage to the recurrent laryngeal nerves (RLNs) is one of the dreaded complications of thyroid and parathyroid surgery (1). In case of anatomical variations this risk is further increased. Terminal branching of RLN occurs anywhere from several centimeters from the cricothyroid muscle to within the larynx itself (2). Prevalence of extra-laryngeal branching (ELB) is reported to be around 60% (3). Another anatomical variation is anastomosis between RLN, and the cervical sympathetic chain known as sympathetic inferior laryngeal anastomotic branch (SILAB) which is rare (1%–2%) (4). We recently operated upon a patient of papillary thyroid carcinoma and encountered both these anatomic variations.
Effects of Long-term Use of Depo-medroxyprogesterone Acetate on Lipid Metabolism in Nepalese Women
Binod Kumar Yadav,Rajesh Kumar Gupta,Prajwal Gyawali,Rojeet Shrestha,Bibek Poudel,Manoj Sigdel,Bharat Jha 대한진단검사의학회 2011 Annals of Laboratory Medicine Vol.31 No.2
Various synthetic progestogens that are used as contraceptives have been reported to influence lipid and lipoprotein fractions differently. Depo-medroxyprogesterone acetate (DMPA), a synthetic progestogen, is used by Nepalese women as a contraceptive agent. Our study aims to determine the effects of long-term use of DMPA on lipid metabolism. We performed this study on 60 healthy Nepalese women who had been using DMPA for more than 2 yr and age- and weight-matched control subjects who were not using hormonal contraceptives. Fasting blood samples were collected from the subjects for the estimation of total cholesterol (TC) and triglyceride (TG) levels, and the levels of high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) were estimated using the Friedewald’s equation. TC and LDL-C levels in DMPA users were significantly higher than those in non-users. Our study concluded that DMPA use induces lipid metabolism changes that can increase the risk of cardiovascular diseases.
Rakesh Kapoor,Kannan Periasamy,Rajesh Gupta,Arun Yadav,Divya Khosla 대한방사선종양학회 2020 Radiation Oncology Journal Vol.38 No.4
Purpose: The purpose of the study is to analyze the overall survival, relapse-free survival, and relapse patterns of adjuvant sequential chemoradiation for gallbladder cancers after curative resection in patients with poor performance status. Materials and Methods: We retrospectively reviewed clinical records of gallbladder patients with pathologic stage T2-4 or node positivity treated with sequential chemoradiation at our institute between January 2015 and January 2019. Sequential chemoradiotherapy protocol consisted of six cycles of gemcitabine 1,000 mg/m2 and oxaliplatin 100 mg/m2 administered every 2 weekly and postoperative radiation therapy (45 Gy in 25 fractions over 5 weeks) by three-dimensional conformal technique. Results: A total of 36 patients were included. The median overall survival and relapse-free survival was 26 months (95% confidence interval [CI], 21.4-30.5) and 21 months (95% CI, 11.8-30.1), respectively. The 2-year overall and relapse-free survival rates were 55.1% (95% CI, 37.9%-72.3%) and 44.7% (95% CI, 27.5%-61.9%), respectively. Locoregional, systemic, and combined recurrence were noted in 2 (5.5%), 14 (38.8%), and 3 (8.3%) patients, respectively. On univariate analysis, tumour grading significantly influenced relapse free survival; nodal stage and overall stage demonstrated a statistically significant influence on overall survival (p < 0.05) with a trend towards significance for lymphovascular invasion. On multivariate analysis, no significant factors were found. Grade 3 and 4 haematological adverse events were observed only in 2 (5.5%) with chemotherapy. No grade 3 and 4 adverse events were observed due to radiation therapy. Conclusion: Sequential chemoradiation is feasible and tolerable with acceptable efficacy in the adjuvant setting in patients unfit for concurrent chemoradiotherapy.