Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 25
Filtrar
Adicionar filtros








Intervalo de ano
1.
J Biosci ; 2008 Sep; 33(3): 371-80
Artigo em Inglês | IMSEAR | ID: sea-110989

RESUMO

We report the occurrence of cytomixis in wild populations of Himalayan poppy (Meconopsis aculeata Royle),which is considered to be an important and threatened medicinal plant growing in the high hills of the Himalayas. The impact of cytomixis on meiotic behaviour, reduced pollen viability and heterogeneous-sized pollen grains was also studied. Cytological studies in the seven wild populations from the high hills of Himachal Pradesh revealed that all the Himalayan populations exist uniformly at the tetraploid level (2n=56) on x=14. The phenomenon of chromatin transfer among the proximate pollen mother cells (PMCs) in six populations caused various meiotic abnormalities. Chromatin transfer also resulted in the formation of coenocytes, aneuploid, polyploid and anucleated PMCs. Among individuals that showed chromatin transfer, chromosome stickiness and interbivalent connections were frequently observed in some PMCs. The phenomenon of cytomixis in the species seems to be directly under genetic control; it affects the meiotic course considerably and results in reduced pollen viability.


Assuntos
Cromatina/metabolismo , Cromossomos de Plantas , Cariotipagem , Meiose , Papaveraceae/fisiologia , Pólen/fisiologia
2.
J Environ Biol ; 2005 Jul; 26(3): 525-9
Artigo em Inglês | IMSEAR | ID: sea-113920

RESUMO

The present study reports on the treatment of pulp and paper mill effluent by Phanerochaete chlysosporium and the same has been compared at two different pH, 5.5 and 8.5. At both the pH, colour, COD, lignin content and total phenols of the effluent significantly declined after bioremediation. However, greater decolourisation and reduction in COD, lignin content and total phenols were observed at pH 5.5. Such bioremediated effluent of pulp and paper mill could gainfully be utilized for crop irrigation.


Assuntos
Biodegradação Ambiental , Concentração de Íons de Hidrogênio , Lignina/análise , Papel , Phanerochaete/metabolismo , Fenóis/análise , Eliminação de Resíduos Líquidos/métodos , Poluentes Químicos da Água/metabolismo , Purificação da Água/métodos
3.
Indian J Chest Dis Allied Sci ; 1997 Oct-Dec; 39(4): 213-20
Artigo em Inglês | IMSEAR | ID: sea-29614

RESUMO

A retrospective series of 25 patients with AIDS and tuberculosis is presented. Their clinical presentation, absolute lymphocyte count, CD4+ and CD8+ lymphocyte counts, treatment details and outcome are detailed. Commonest method of acquiring HIV infection was through heterosexual contact (10 of the 25; 40%) and blood transfusion (10 of the 25; 40%). More than 50% of the patients (14 of the 25) had extrapulmonary tuberculosis. Eighteen of the 19 patients for whom values were available had CD4+ lymphocyte count < 200/mm3. Four of the 18 patients for whom follow-up details were available died.


Assuntos
Infecções Oportunistas Relacionadas com a AIDS/diagnóstico , Adolescente , Adulto , Distribuição por Idade , Idoso , Feminino , Seguimentos , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Risco , Distribuição por Sexo , Taxa de Sobrevida , Tuberculose Pulmonar/diagnóstico
4.
Indian Pediatr ; 1993 Feb; 30(2): 239-41
Artigo em Inglês | IMSEAR | ID: sea-15778
5.
Indian J Chest Dis Allied Sci ; 1992 Jan-Mar; 34(1): 33-7
Artigo em Inglês | IMSEAR | ID: sea-29700

RESUMO

Mediastinal location of benign fibrous histiocytoma is relatively rare. This case is being presented for its unusual location and rarity.


Assuntos
Adulto , Feminino , Histiocitoma Fibroso Benigno/patologia , Humanos , Neoplasias do Mediastino/patologia
6.
J Indian Med Assoc ; 1991 May; 89(5): 120-3
Artigo em Inglês | IMSEAR | ID: sea-100268

RESUMO

In the present study 90 cases of carcinoma penis were studied. The disease is more common after the age of 40 years; phimosis was found to be most important predisposing factor. Most common presentation was proliferative lesion with commonest involvement of glans penis. All the cases were of squamous cell carcinoma except one case of malignant melanoma. Clinical determination of lymph node metastasis is falacious as there was discrepancy between clinical and histopathological stage of the disease in 26.67% of cases. Therefore lymph node biopsy at the time of primary surgery is advocated. The result of total amputation is better than other mode of treatment.


Assuntos
Adulto , Fatores Etários , Idoso , Carcinoma de Células Escamosas/patologia , Humanos , Metástase Linfática , Masculino , Melanoma/patologia , Pessoa de Meia-Idade , Neoplasias Penianas/patologia , Fimose/complicações
10.
Indian J Biochem Biophys ; 1989 Feb; 26(1): 14-8
Artigo em Inglês | IMSEAR | ID: sea-28251

RESUMO

The interaction of native and modified bovine serum albumin (BSA) with catechin, a flavanoid having vitamin P activity, has been studied using equilibrium dialysis, pH-metric, viscosity and spectrophotometric methods. The order of reactivity of catechin binding to proteins was found to be: esterified BSA greater than BSA greater than formylated BSA greater than acetylated BSA with log K values of 3.778, 3.879, 3.748 and 3.813 and free energy change equal to -5.11, -5.16, -5.07 and -5.15 kcal/mole, respectively.


Assuntos
Catequina/metabolismo , Diálise , Concentração de Íons de Hidrogênio , Cinética , Ligação Proteica , Soroalbumina Bovina/metabolismo , Espectrofotometria , Viscosidade
15.
Indian J Chest Dis Allied Sci ; 1983 Jan-Mar; 25(): 76-8
Artigo em Inglês | IMSEAR | ID: sea-29784
17.
Indian J Chest Dis Allied Sci ; 1981 Jul-Sep; 23(3): 148-50
Artigo em Inglês | IMSEAR | ID: sea-30458
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA