Synthesis and Characterization of Oxomolybdenum(VI) Complexes with Aroyl Hydrazones of Benzil and Diacetyl Monooxime

Mo(VI) complexes of selected ONO donor ligands may mimic the active sites of some oxotransfer molybdoenzyme and hence it is of great interest in bio-inorganic chemistry. I have been studying the chemistry molybdenum with O-N containing donor environments since one year. In this dissertation I have reported the synthesis and characterization of several O-N Schiff base hydrazone ligands and their corresponding oxomolybdenum(VI) complexes. All the synthesized ligands and corresponding Mo(VI) complexes has been characterized by several spectroscopic (IR, UV-Vis) technique and redox properties were explored by cyclic voltammetry

INVOLVEMENT OF YOUTH IN MARRIAGE RELATED DECISION MAKING IN INDIA

In India marriage are typically family arranged in which parents are mostly involved in selection of potential spouses for their children. This paper tries to focus on the role and level of involvement of youth in spouse selection. Above 90 percent of the marriages are arranged in India and except for the southern states, majority of married young men and women meet their spouse on the wedding day. Women seems to be more worried and anxious about getting married as in contrast majority of the men are excited about getting married although there is hardly any interaction among couples prior to marriage, especially in Bihar, Rajasthan and Jharkhand. Odd ratios reveals that mothers education have a significant and positive relationship on the respondent’s opinion regarding choice of marriage partner. However, unlike the mother’s education, religion, caste and work status does not show any association with the respondent choice of partner. Respondents who often discuss their personal issues with their parents tend to select their marriage partner themselves or they have a strong opinion in spouse selection

INVOLVEMENT OF YOUTH IN MARRIAGE RELATED DECISION MAKING IN INDIA

In India marriage are typically family arranged in which parents are mostly involved in selection of potential spouses for their children. This paper tries to focus on the role and level of involvement of youth in spouse selection. Above 90 percent of the marriages are arranged in India and except for the southern states, majority of married young men and women meet their spouse on the wedding day. Women seems to be more worried and anxious about getting married as in contrast majority of the men are excited about getting married although there is hardly any interaction among couples prior to marriage, especially in Bihar, Rajasthan and Jharkhand. Odd ratios reveals that mothers education have a significant and positive relationship on the respondent’s opinion regarding choice of marriage partner. However, unlike the mother’s education, religion, caste and work status does not show any association with the respondent choice of partner. Respondents who often discuss their personal issues with their parents tend to select their marriage partner themselves or they have a strong opinion in spouse selection

Synthesis and Characterization of Colloidal Gold Nanoparticles Suspension using Liquid Soaps

In this communication, we represent a versatile and effective technique to synthesize stable aqueous dispersions of gold nanoparticles using chemicals presents in the liquid soaps. Auric tetra chloride (HAuCl4) was used as precursors for synthesis of the gold nanoparticles. The reduction of the gold precursor was carried out using citric acid, Glycerin and other reducing agents present in the liquid soap. Sodium sulphate, sodium chloride present in the liquid soap acts as stabilizing agents. The sources of these precursors in this case were liquid soaps like Pril Perfect (lime), Dettol (Hand Wash), Palmolive, Nomarks (Face Wash), Lakme fruit Burst (Face Wash), Clean & Clear (Face Wash), and Himalaya Neem (Face Wash). By using different process like thermal reduction, microwave, solvothermal and photo catalytic reduction process the above reaction was accomplished. UV-visible spectroscopy, scanning tunneling microscopy (STM) was used to ascertain the formation of gold nanoparticles. The color of the gold nanoparticles suspension varies from red to blue depending upon the shape and size of the particles Keywords: Green technology, microwave irradiation, photo catalytic, Autoclave, solvothermal, spectroscopy and microscopy

Electrical conductive properties of some composites of gum arabic biopolymer and magnetite nanoparticles

DC electrical conductive properties of some composites of gum arabic biopolymer (host) and magnetite nanoparticles (guest) synthesized in different weight percentages have been studied as a function of temperature and applied bias voltage to explore the effect of the guest on the electrical conduction of the host. Two types of trap distributions (single discrete and exponential) have been found in these composites. The observed results show that the conductivity of the composites increases with increasing guest content along with a decrease in activation energy. Percolation theory has been employed for the analysis of the room temperature electrical conductivity enhancement with the variation of guest content. The activation energy and the pre-exponential factor values estimated following Arrhenius relation satisfies the compensation law

Quantitative Analysis of Floristic Composition, Biological Spectrum and Leaf Spectrum of a Sacred Grove in Jhargram District, West Bengal, India

Sacred Groves are tracts of virgin forests, left untouched and protected by local people, because of culture and religious beliefs. These tracts are remnants of the once-dominant flora, reservoirs of the rich biodiversity, and the last refuge for preserving the rich indigenous culture and traditions. For these reasons, the biological and leaf spectra, as well as the conservation status of the current sacred grove vegetation, Maa Mongalmoyee Than (MMT) in Jhargram district of West Bengal, India, have been studied. Data were collected during different seasons. The floristic list is taxonomically arranged based on clade, order, and family. In addition, photographs of some common, locally uncommon, endemic and valuable plant species within the sacred grove were taken. The herbarium sheets were then described by matching properly annotated materials available at the Herbarium Section of Vidyasagar University as well as the Botanical Survey of India. The results of floristic studies showed 217 MMT's angiosperm species, belonging to 196 genera, distributed under 59 families of 27 orders. Furthermore, Poales (13.82%) and Fabaceae (12.44%) are the dominant order and family, respectively, in terms of species population. Meanwhile, the biological spectrum showed the grove enjoys a "thero-chamaephyte" phytoclimate form, as well as a comparatively undisturbed status, being a sacred grove. Also, the preservation of germplasm within the grove is based on traditional belief in the social system

Cardiovascular Disease Risk among Rural Population of South India

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Allelopathic potential of a noxious weed on mung bean

Eupatorium odoratum have invaded the waste lands of South West Bengal, India. A field study indicated a gradual and also significant increase in Eupatorium odoratum accompanied with significant decrease in other coexisting species. Considering the above in mind, a study was undertaken to evaluate the existence of inhibitory effect of leaf extracts and leaf leachates noxious weed Eupatorium odoratum using fully viable seeds of mung bean (Vigna radiata) as the bioassay material. The study showed the reduced the percentage germination and TTC stainability along with extended T50 values of mung bean seeds. The levels of protein, DNA and RNA, activities of dehydrogenase and catalase enzymes were significantly retarded in pretreated seed samples. Amino acid and sugar levels were increased in the leachates of seeds pretreated with leaf extracts and leaf leachates. Thus, from the overall results it can be concluded that various inhibitors present in E. odoratum can impart strong inhibitory effect on mung bean. The study suggests that the leaves of E. odoratum possess phytotoxic or allelopathic chemicals which potentially rendered the inhibitory action on mung bean seeds

Redescription of Oligodon arnensis, Shaw, 1802 (Reptilia: Colubridae) collected from Birbhum, West Bengal, India

Oligodon arnensis, Shaw, 1802 commonly known as kukri snake, a semi- fossorial snake species is taken for study as it is a most challenging group of snake. A morphometric study on several aspects like the number of supra-labials , infra-labials, ventrals, dorsals, distance between eye to nostril, eye diameter, number of bands, shape of banding etc. are reported. A significant correlation is present in between snout-vent length and tail length and in between eye diameter and distance from eye to nostril a possible explanation of large eye size related to habitat is given in the study

Acetylation of Dna2 Endonuclease/Helicase and Flap Endonuclease 1 by p300 Promotes DNA Stability by Creating Long Flap Intermediates

Flap endonuclease 1 (FEN1) and Dna2 endonuclease/helicase (Dna2) sequentially coordinate their nuclease activities for efficient resolution of flap structures that are created during the maturation of Okazaki fragments and repair of DNA damage. Acetylation of FEN1 by p300 inhibits its endonuclease activity, impairing flap cleavage, a seemingly undesirable effect. We now show that p300 also acetylates Dna2, stimulating its 5′–3′ endonuclease, the 5′–3′ helicase, and DNA-dependent ATPase activities. Furthermore, acetylated Dna2 binds its DNA substrates with higher affinity. Differential regulation of the activities of the two endonucleases by p300 indicates a mechanism in which the acetylase promotes formation of longer flaps in the cell at the same time as ensuring correct processing. Intentional formation of longer flaps mediated by p300 in an active chromatin environment would increase the resynthesis patch size, providing increased opportunity for incorrect nucleotide removal during DNA replication and damaged nucleotide removal during DNA repair. For example, altering the ratio between short and long flap Okazaki fragment processing would be a mechanism for better correction of the error-prone synthesis catalyzed by DNA polymerase α