Soil Chemical Analysis

Constricting the peptide backbone into a more defined conformational form through cyclization is an activity evolved in nature and in synthetic work, the latter straddling only the most recent decades. The resulting conformational constraints increase the probability of an optimum response with bio-receptors. The purpose of this review is to highlight developments that have proved to be reasonably efficient in the macrocyclization of linear precursors into cyclic peptides and depsipeptides.

https://onlinelibrary.wiley.com/doi/pdf/10.1002/psc.491

The cyclization of peptides and depsipeptides

Municipal solid waste (MSW): Strategies to improve salt affected soil sustainability: A review

Water quality was determined in the different stretches of the river Sutlej (S(1), S(2), and S(3)) for a period of 1 year (November 2006 to October 2007). S(1) was at Ropar Head Works, S(2) at U/S of Budha Nallah at Phillaour, and S(3) was D/S of Budha Nallah in district Ludhiana (Punjab). Relatively low values of TDS, turbidity, BOD, total alkalinity, total hardness, chlorides, nitrates, and phosphates were recorded at S(1) and S(2) as compared to S(3). Heavy metals like Pb, Zn, Cr, and Ni were detected at S(2) and S(3). On the basis of water quality standards given by Central Pollution Control Board, the water quality was at "A-B" at S(1), "B-C" at S(2), and "D-E" at S(3). For the computation of water quality rating and water quality index, nine parameters were considered. The mean values of these parameters were compared with WHO, ICMR, and ISI standards. The water quality index at stations S(1), S(2), and S(3) was 32.84, 51.01, and 132.66, respectively. This clearly indicated that the river water at station S(2) and S(3) was found to be unsafe for human consumption.

Studies on water quality of Sutlej River around Ludhiana with reference to physicochemical parameters

Evaluation of Effective Microorganisms on home scale organic waste composting.

Synthetic studies on pseudostellarin a

The physico-chem and microbiol parameters of water samples from some selected areas of 15 districts in Karnataka were investigated A total of 47 water samples were collected over a period of five months Most of the physico-chem parameters are within the permissible limits of BIS and WHO stds for drinking water However, some samples show pH lower than the normal limit The fluoride content in Hassan district was very high One of the samples from Chitradurga contained very high of Nitrite content than the desirable limit Water samples were subjected to microbiol anal also Some samples were found to be highly contaminated with conforms while some other samples were suitable for human consumption Therefore, it was concluded that a few water samples were unsuitable for drinking purpose [on SciFinder(R)]

Investigation on water quality characteristics in selected areas of Karnataka State, India.

/pdf/a-synthetic-route-to-the-tripeptide-unit-of-geodiamolide-b-4dvf2lo5xj.pdf

A synthetic route to the tripeptide unit of geodiamolide-B

The spirocyclic ortholactones prepared from certain tetrahydropyran-2-ones (valerolactones) and (1R)-1-phenylpropan-1,3-diol are readily separable by flash chromatography on silica gel. Hydrolysis of the resolved ortholactones then provides the pure homochiral lactones.

A Method for the Chromatographic Resolution of Tetrahydropyran‐2‐ones.

Studies on the effect of some heavy metals (Zinc, Cobalt, Nickel and Lead) on the diversity and dominance of rotifers were conducted in different lakes of Mysore, Karnataka, using some community parameters. A correlation has been made between the heavy metal concn. and various community parameters through bivariate and multivariate anal. where in community parameters are taken as dependent variables and different heavy metal concn. as independent variables. This paper is an attempt towards ecotoxicol. anal. of heavy metal concns. on the rotifers. [on SciFinder(R)]

Effects of heavy metals on rotifers in the lakes of Mysore - a model approach.

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