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排序方式: 共有111条查询结果,搜索用时 218 毫秒
101.
Dr. J. A. M. A. Tan J. S. H. Tay L. I. Lin S. K. Y. Kham J. N. Chia T. M. Chin Norkamar Bt. Adb. Aziz H. B. Wong 《黑龙江环境通报》1994,14(11):1077-1082
β-Thalassaemia major patients have chronic anaemia and since 3–4 per cent of Singaporeans carry the β-gene, prenatal diagnosis is essential. We evaluated the amplification refractory mutation system (ARMS) technique as a routine test for prenatal diagnosis of β-major. Six mutations along the β-gene were studied—41–42 (-TCTT), IVSII #654 (C-T), 17β (A-T), – 28 TATA (A-G), IVSI #5 (G-C), and IVSI #1 (G-T). Our results indicate that prenatal diagnosis using these mutations can be offered to 90 per cent (35/39) of our Chinese couples and 54·6 per cent (12/22) of our Malay couples at risk. Confirmation of ARMS results was carried out using allele-specific oligonucleotide hybridization. Prenatal diagnosis using ARMS was successfully carried out in nine cases which included a set of triplets and twins. The triplets were diagnosed with the β-trait carrying the 41–42 mutation. The couple with twins possessed the #654 mutation and one twin was diagnosed with the β-trait and the other with #654 homozygosity. Genomic sequencing of the undefined mutations in the Chinese couples revealed rarer mutations at − 29 and an ATG-AGG base substitution at the initiation codon for translation. In the Malay couples, genomic sequencing detected mutations at codon 15 (TGG-TAG) and codon 26 (GAG-AAG). We conclude that ARMS with its direct detection of amplified products by gel electrophoresis provides an accurate, rapid, and simpler method for our β-thalassaemia prenatal diagnosis programme in Singapore. 相似文献
102.
103.
Sonia Akter Roy Brouwer Saria Choudhury Salina Aziz 《Mitigation and Adaptation Strategies for Global Change》2009,14(3):215-229
The study aims to assess the commercial viability of a potential crop insurance market in Bangladesh. In a large scale household
survey, agricultural farm households were asked for their preferences for a hypothetical crop insurance scheme using double
bounded (DB) contingent valuation (CV) method. Both revenue and production cost based indemnity payment approaches were applied
to assess the commercial viability of a crop insurance program assuming a partner-agent (PA) model of insurance supply. Crop
insurance is found marginally commercially viable in riverine flood plain areas. The expected indemnity payable consistently
exceeds the expected insurance premium receivable by the insurer for the households living in wetland basin and coastal floodplain.
We conclude that a uniform structure of crop insurance market does not exist in Bangladesh. The nature of the disaster risks
faced by the farm households and the socio-economic characteristics of the rural farm communities need to be taken into careful
consideration while designing such an insurance scheme.
相似文献
Sonia AkterEmail: |
104.
Zhang Zhaomin Bashir Tadadus Song Jiaxuan Aziz Shahab Yahya Ghulam Bashir Sana Zamir Aysha 《Environmental science and pollution research international》2022,29(1):405-416
Environmental Science and Pollution Research - South Asia is a hub for encompassing air contamination, with 37 of the top tiers of the 40 most contaminated urban communities around the globe... 相似文献
105.
Hagos Ftwi Y. Abd Aziz Abd Rashid Zainal Ezrann Zharif Mofijur M. Ahmed Shams Forruque 《Environmental Chemistry Letters》2022,20(1):263-281
Environmental Chemistry Letters - Globally, 150–170 billion cubic metres of gas are being flared annually from petroleum refineries, petrochemical industries and from landfills. In this... 相似文献
106.
Jayaweera Chamanthi Denisha Aziz Norashid 《Environment, Development and Sustainability》2022,24(1):1069-1085
Environment, Development and Sustainability - In a water treatment plant, the decision to carry out a jar test, for determining the required coagulant dosage, is made based on notable changes in... 相似文献
107.
108.
Sohu Samiullah Bheel Naraindas Jhatial Ashfaque Ahmed Ansari Abdul Aziz Shar Irfan Ali 《Environmental science and pollution research international》2022,29(39):58685-58697
Environmental Science and Pollution Research - Cement production emits a significant carbon dioxide (CO2) gas, dramatically influencing the environment. Furthermore, a large amount of energy is... 相似文献
109.
Najmi Arsalan Kanapathy Kanagi Aziz Azmin Azliza 《Journal of Material Cycles and Waste Management》2022,24(1):410-424
Journal of Material Cycles and Waste Management - The pandemic of COVID-19 has disrupted every human life by putting the global activities at halt. In such a situation, people while staying at home... 相似文献
110.
Mustafa Shaymaa Bahar Arifah Aziz Zainal Abdul Darwish Mohamad 《Environmental science and pollution research international》2022,29(58):87114-87131
Environmental Science and Pollution Research - Modeling three-dimensional contaminant transport released from arbitrary shape source geometries is useful in hydrological and environmental sciences.... 相似文献