Feature Article

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Determination of bromate in bread by capillary gas chromatography with a mass detector (GC/MS)

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A sensitive method was developed for the determination of bromate in bread by capillary gas chromatography with a mass detector (GC/MS). Bromate was extracted with water from bread samples. After centrifugation, the supernatant was filtered and Cl− was removed by an OnGuard‐Ag cartridge column.

559-569
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Publication Date: 
01/01/1994
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Evaluation of daily dietary intake of dichloro-diphenyl-trichloroethane (DDT) and benzene hexachloride (BHC) in India

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Duplicate samples of the diet of vegetarian adults were analyzed to estimate the residues of dichloro-diphenyl-trichloroethane (DDT) and benzene hexachloride (BHC). The total food consumed by an adult per day was collected and categorized as fatty food, non-fatty food, water, and beverages. Fatty food was the main source of these chlorinated insecticides, and it contributed almost 50% of the total dietary intake. The average total DDT and BHC consumed by an adult were 19.24 micrograms/d and 77.15 micrograms/d, respectively.

63-66
49
Publication Date: 
01/01/1994
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Canine distemper epizootic in lions, tigers, and leopards in North America

Canine distemper virus (CDV) infection occurred in captive leopards (Panthera pardus), tigers (Panthera tigris), lions (Panthera leo), and a jaguar (Panthera onca) in 1991 and 1992. An epizootic affected all 4 types of cats at the Wildlife Waystation, San Fernando, California, with 17 mortalities. CDV-infected raccoons were thought to be the source of infection in these cats. Two black leopards died at the Naibi Zoo, Coal Valley, Illinois, and 2 tigers died at the Shambala Preserve, Acton, California.

277-288
6
Publication Date: 
01/01/1994
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The neurobehavioural toxicity of endosulfan in rats: a serotonergic involvement in learning impairment

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Oral administration of the insecticide endosulfan (2 mg/kg per day) for 90 days in immature male rats resulted in an inhibition of pole-climbing escape response to electric shock (unconditioned) and avoidance response to buzzer (conditioned). These responses reflect respectively their learning and memory processes.

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270
Publication Date: 
01/01/1994
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ipsita's picture

The broken mirror

19931231

A pristine lake that once drew birds of several species today lies clogged with weeds, a victim of unplanned economic development.

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Publication Date: 
30/12/1993
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Of algae, worms and cash flow

Continuing the series on organic farming, Down To Earth's reporter found that both the scientific community and farmers are showing interest in using biofertilisers and vermiculture to substitute for chemical fertilisers. Microorganisms like algae are use

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19931231
Publication Date: 
30/12/1993
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Panchayat reigns supreme

The Vaddis are the dominating community in Kolleru's fishing villages. They have a tightly controlled form of self governance that ensures equitable distribution of income

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19931231
Publication Date: 
30/12/1993
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The dollar conscious producers

Two firms in Tamil Nadu show the way to exporting organically produced foodstuff.

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19931231
Publication Date: 
30/12/1993
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Short cut to disaster

When a straight cut was dug to quicken the discharge from Kolleru lake, a small island became the casualty.

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19931231
Publication Date: 
30/12/1993
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Benefitting twice over

Organic manure is a source of income for civic bodies in Tamil Nadu.

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19931231
Publication Date: 
30/12/1993
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