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Articles by P.K. Jain
Total Records ( 5 ) for P.K. Jain
  P.K. Jain , Priyanka Jain and Prabhat K. Nema
  Guava and papaya are the most widely grown commercial fruits of central India. Both the fruits are nutritive and may be used for processing. The analysis of organoleptic characters (i.e., colour, flavour, texture, taste and overall acceptability) and qualitative characters (i.e., TSS, pH, acidity, ascorbic acid content) of guava and papaya fruits was conducted on fresh fruit, prepared pulp and mixed pulp. During the storage of fruit pulp at low temperature (6±1°C), the decrease in overall acceptability of both the pulp was observed with increase in storage period. However, blending of both the pulp in different ratios influenced the organoleptic characters as well as the qualitative characters of the blended pulp.
  P.K. Jain , V.K. Gupta , A.K. Misra , R. Gaur , V. Bajpai and S. Issar
  Fungi are extremely versatile class of organisms comprised mostly of saprophytes, grows on dead organic material. A relatively small number of fungal species have developed a parasitic lifestyle, associated with the ability to recognize and penetrate a specific host, exploit its nutrient reserves, overcome its innate defense responses and cause disease. Many organisms attacked by fungi encompasses evolutionary distinct groups from lower to higher eukaryotes, most prominently plants, insects and mammals, including humans. To cause disease, fungal pathogens rely on an arsenal of pathogenicity and virulence factors, which’s spatially and temporally correct deployment determines the basic pathogenic potential and the extent of infection, respectively. Being a common contaminant and a well-known plant pathogen, Fusarium sp. may cause various infections in humans. Fusarium is one of the emerging causes of opportunistic mycoses to human and animal. Up to date, approximate 15 species had been reported to cause human and animal diseases. Common species includes species are F. Solani (commonest), F. oxysporum, F. verticoides, F. proliferatum and F. anthophilum.
  V.K. Gupta , A.K. Misra , R.K. Gaur , P.K. Jain , D. Gaur and Saroj Sharma
  Guava (Psidium guajava L.) is an important fruit crop of subtropical countries. It is grown almost in all the states of India. It is a hardy crop and is cultivated successfully even in neglected soils and is attacked by a large number of pathogens, mainly fungi. Wilt is the most destructive disease for guava plant in India and losses due to this disease are substantial. Psidium guajava wilt is known to occur from India, Latin America, Malaysia, Pakistan, South Africa, South Asia and Taiwan. Wilt of guava from India was first reported in 1935 from Allahabad. The disease is soil-borne and is difficult to control. Wilt is predominantly caused by the species of Fusarium, of which F. oxysporum is generally the main cause. The other species of Fusarium i.e., Fusarium solani are also dominates in isolation. Since, the disease results in the complete mortality of the affected plants, the loss is total. Although, severe loss is there in the annual crops also, huge monitory losses occur especially in perennial fruit trees as it is a loss of labour of several years. Guava is a crop where this disease is very serious and it can be said that this is the only disease of guava which is threatening guava cultivation in India. It causes monitory as well as nutritional loss. The present communication, deals guava wilt to depict its present status.
  P.K. Jain , V.K. Gupta , R.K. Gaur , M. Lowry , D.P. Jaroli and U.K. Chauhan
  Environmental pollution with petroleum and petrochemical products (complex mixture of hydrocarbon) has been recognized as one of the most important serious current problem. People working in garage etc. are always exposed with oily sludge which are potent immunotoxicants and carcinogenic. Accidental leakages from petroleum carrying ships lead to oily layers over the water surface, possessing great threat to the existing flora and fauna. The currently used physical and chemical treatments are effective for the degradation of petroleum products but they lag behind in the desired properties, apart they frequently produce many hazardous compounds which are potent immunotoxicants and carcinogenic for living beings. In contrast, bioremediation is effective treatment in terms of efficacy, safety on long terms use, cost and simplicity of administration. However, for the foreseeable future, long term tolerance studies are needed before being recommended for large scale use.
  J. Scaria , S. Ramachandran , P.K. Jain and S.K. Verma
  A plasmid containing a transcriptional fusion between tetR regulated tet promoter from plasmid pOT182 and Enhanced Green Fluorescent Protein (EGFP) gene was created and was transformed into E. coli JM109 and this strain was used as whole cell bacterial biosensor for detection of tetracyclines in milk and water samples. The sensor strain E. coli JM109 (pJSKV41) was able to detect tetracycline in the range of 10-60 ng mL-1 sample and oxytetracycline in the range of 25-125 ng mL-1 of sample. When employed for detecting residual tetracyclines in pond water samples, the biosensor strain showed high sensitivity. Also the biosensor strain was able to detect residual tetracycline in goat milk even after 4 days of tetracycline treatment.
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