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Jabar Zaman Khan Khattak

Bio: Jabar Zaman Khan Khattak is an academic researcher from International Islamic University, Islamabad. The author has contributed to research in topics: Population & Agricultural productivity. The author has an hindex of 13, co-authored 45 publications receiving 441 citations. Previous affiliations of Jabar Zaman Khan Khattak include International University, Cambodia.

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Journal ArticleDOI
TL;DR: Tetraena mandavillei can be classified as a facultative halophyte with the ability to tolerate drought stress and using salt accumulation mechanisms to tolerate salinity stress.
Abstract: Tetraena mandavillei L. is a perennial shrub native to the Middle Eastern countries of Asia, which is extensively regarded as a drought-tolerant plant. However, the plant reduces growth and biomass when grown in high concentrations of sodium chloride in the soil. We conducted a pot experiment to influence the negative impact of different levels of salinity (0, 10, and 20 dSm-1 ) and drought stress (100, 80, 60, and 40% water field capacity), to study different growth-related parameters, physiological alterations and ion uptake by T. mandavillei. Both salinity and drought stress caused a negative impact by affecting several attributes of T. mandavillei, but the plants showed some resistance against drought stress conditions in terms of growth and biomass. In addition to that, we noticed that a combinatorial and individual impact of drought and salinity stress decreased photosynthetic pigments and gas exchange parameters in T. mandavillei. Results also depicted that the combination of the abiotic stress conditions drought and salinity induced reactive oxygen species (ROS), indicating that the plants undergo oxidative damaged. However, due to the active plant defense system, the plant enhanced its performance under abiotic stress conditions, but due to the severe drought condition (40% water field capacity), a significant (P < 0.05) decrease in the activities of antioxidant compounds was caused. Furthermore, osmolytes also increased under both salinity and drought stress conditions in this study. Our results also showed that increased salinity and drought stress in the soil caused a significant increase in sodium (Na+ ) and chloride (Cl- ) ions in roots and shoots of T. mandavillei. In contrast to that, the contents of Calcium (Ca2+ ) and potassium (K+ ) were decreased in all organs of the plants with increasing levels of salinity and drought stress. Taken together, T. mandavillei can be classified as a facultative halophyte with the ability to tolerate drought stress and using salt accumulation mechanisms to tolerate salinity stress.

60 citations

Journal Article
TL;DR: The Muslim scholars need to infer opinions with the advancement of biotechnology in field of food industry like status of GMO's, use of genes, enzymes, food additives or enhancer in food in Islam deduced by the Ijma or Qiyas.
Abstract: Almost every Muslim either fully practicing Islam or not is seriously concerned about what he or she eats. Muslims observe the divine laws in every aspect of life. There is a complete code of dietary laws present in the Holy Quran for the followers of Islam. Some basic principles are described as all foods are permitted except those mentioned clearly in the Holy Quran. The most recent advancements of biotechnology in field of food industry like status of GMO's, use of genes, enzymes, food additives or enhancer in food in Islam deduced by the Ijma or Qiyas. These if obtained from plant origin would be considered as Halal. If obtained from animals then Islamic Shari'ah put some restrictions about the animal that it should be permitted by Supreme law giver, and should be fit, clean and wholesome for health. The world has become global supermarket with the presence of improved communication and transportation system. Islam is the world second largest religion and more than 1.2 billion Muslims consume Halal products. The need of Halal food increases with the increase of Muslim population globally. The Halal foods should be mentioned clearly by labeling the hidden food ingredients, for example enzymes. The Muslim scholars need to infer opinions with the advancement of biotechnology.

58 citations

01 Jan 2012
TL;DR: In this paper, a six months study was conducted from June to November 2008 on pre-selected three sampling sites i.e. upstream (Site-1), main point where city sewage inter the river (site-2) and downstream (Site-) and the physico-chemical parameters such as alkalinity, hardness, electrical conductivity, dissolved oxygen, pH and temperature were monitored.
Abstract: The present study was conducted to evaluate the physico-chemical parameters as well as level of pollutants (Such as heavy metals and organic wastes) in River Toi originates from Hangu and flow through Kohat city. For this purpose a six months study was conducted from June to November 2008 on pre-selected three sampling sites i.e. upstream (Site-1), main point where city sewage inter the river (Site-2) and downstream (Site-3). The physico-chemical parameters such as alkalinity, hardness, electrical conductivity, dissolved oxygen, pH and temperature were monitored. While heavy metals analysis of lead, cadmium, zinc, arsenic, copper and nickel were conducted. The results revealed that the increased level of heavy metals and physico- chemical parameters was recorded at all the sites. The means of physico-chemical parameters recorded during the study at Site I, II and III are alkalinity (357.5, 344.1 and 363.3 mg/L), hardness (315.8, 307.5 and 312 mg/L), TDS (497.5, 445 and 470 mg/L) and electrical conductivity (1230.6, 1119 and 1172.8 :s/cm), DO (2.54, 2.75 and 2.64 mg/mL), temperature (18.2, 18.2 and 18.3oC) and pH (8.43, 8.31 and 8.35), respectively. The means of different heavy metals recorded during the study at Site I, II and III are lead (0.33, 0.40 and 0.55 mg/L), zinc (0.34, 0.60 and 0.53 mg/L), cadmium (0.03, 0.08 and 0.13 mg/L), arsenic (0.29, 0.63 and 0.51 mg/L), copper (0.04, 0.04 and 0.03 mg/L) and nickel (0.00, 0.01 and 0.01 mg/L), respectively. The results of the heavy metals and water quality analysis revealed that the condition of water is unsuitable for aquatic life and human consumption due to addition of civic and industrial pollution. This issue needed to be resolved immediately with both public and private partnership.

56 citations

20 Nov 2012
TL;DR: In this paper, a study was conducted for physiochemical and bacteriological analysis of drinking water of new urban areas of Peshawar and compared the old historical areas of the city, where 10 areas for drinking water samples were selected and samples were collected from water supply, distribution system and storage tanks.
Abstract: Water pollution due to chemicals and microbes is one of the serious environmental problems, which has greatly impacted human health. Recorded history of contaminated drinking water supply has witnessed various viral, bacterial and protozoan diseases, globally. It is estimated that >250 million cases of waterborne diseases are reported worldwide and over 25 million deaths are blamed due to waterborne-diseases. Pakistan has been facing the same problem due to improper water management, obsolete distribution infrastructure, bad sanitary condition and poor drinking water quality. An estimated 70% Pakistani population living in rural areas have no access to potable water distribution system, whereas in urban areas, between 40-60% urban population has access to safe and clean drinking water. In Pakistan, water filtration before distribution is almost non-existence and furthermore, WHO standards or NEQs are not followed for physiochemical and bacteriological analysis of drinking water. This study was conducted for physiochemical and bacteriological analysis of drinking water of new urban areas of Peshawar and compared the old historical areas of the city. Ten areas for drinking water samples were selected and samples were collected from water supply, distribution system and storage tanks. Physio-chemical (pH, turbidity and Total Suspended Solids (TSS) and microbial analyses (Total and fecal coli form and "E. coli") were conducted (APHA, 2005). According to the results, there was a variation of the analyzed physio-chemical parameter in the water sample between old & new urban areas and was found as: pH (6.65-7.91), turbidity (3-9NTU) and TSS (2-6 mg/L). The pH of the all samples was within the permissible limit of WHO guidelines. TSS of the 5 samples was above the permissible limits and turbidity of only 4 samples was within permissible limits. In bacteriological analysis, except one sample collected from the tube well, most samples were Total coliform positive. On the other hand, 6 samples of drinking water from distribution system were "fecal coliform" positive and 4 samples were "E. coli" positive. Further epidemiological studies are on-going and more drinking water samples from old urban Peshawar are being evaluated.

51 citations

Journal ArticleDOI
TL;DR: The characteristics of nanoparticle relevant to their toxicity, conceivable exposure routes of nanoparticles to human body like skin contact, inhalation, and ingestion, and the basic approaches which can aid to control human exposures to toxic nanoparticles have been discussed.

39 citations


Cited by
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TL;DR: In this age of modern era, the use of internet must be maximized, as one of the benefits is to get the on-line analysis of human genetic linkage book, as the world window, as many people suggest.
Abstract: In this age of modern era, the use of internet must be maximized. Yeah, internet will help us very much not only for important thing but also for daily activities. Many people now, from any level can use internet. The sources of internet connection can also be enjoyed in many places. As one of the benefits is to get the on-line analysis of human genetic linkage book, as the world window, as many people suggest.

1,000 citations

01 Jan 2001
TL;DR: Genetical genomics as discussed by the authors combines the power of genomics and genetics in a way that is likely to become instrumental in the further unravelling of metabolic, regulatory and developmental pathways.
Abstract: The recent successes of genome-wide expression profiling in biology tend to overlook the power of genetics. We here propose a merger of genomics and genetics into ‘genetical genomics’. This involves expression profiling and marker-based fingerprinting of each individual of a segregating population, and exploits all the statistical tools used in the analysis of quantitative trait loci. Genetical genomics will combine the power of two different worlds in a way that is likely to become instrumental in the further unravelling of metabolic, regulatory and developmental pathways.

952 citations

01 Jan 2014
TL;DR: In this paper, a review on modern strategies used for the management of water, pesticides, limitations in the use of chemical pesticides and potential of nano-materials in sustainable agriculture management as modern approaches of nanotechnology is presented.
Abstract: Nanotechnology is a promising field of interdisciplinary research. It opens up a wide array of opportunities in various fields like medicine, pharmaceuticals, electronics and agriculture. The potential uses and benefits of nanotechnology are enormous. The current global population is nearly 7 */billion with 50% living in Asia. A large proportion of those living in developing countries face daily food shortages as a result of environmental impacts or political instability, while in the developed world there is surplus of food. For developing countries, the drive is to develop drought and pest resistant crops, which also maximize yield. The potential of nanotechnology to revolutionise the health care, textile, materials, information and communication technology, and energy sectors has been well publicized. The application of nanotechnology to agriculture and food industries is also getting attention nowadays. Investments in agriculture and food nanotechnologies carry increasing weight because their potential benefits range from improved food quality and safety to reduced agricultural inputs and improved processing and nutrition. While most investment is made primarily in developed countries, research advancements provide glimpses of potential applications in agricultural, food, and water safety that could have significant impacts on rural populations in developing countries. This review is concentrated on modern strategies used for the management of water, pesticides, limitations in the use of chemical pesticides and potential of nano-materials in sustainable agriculture management as modern approaches of nanotechnology. Key words: Agriculture, nanotechnology, nanofertilizer, nanoencapsulation, nanoherbicides.

389 citations

Journal ArticleDOI
TL;DR: There is immediate need to take protective measures and treatment technologies to overcome unhygienic condition of drinking water supplies in different areas of Pakistan.
Abstract: Due to alarming increase in population and rapid industrialization, drinking water quality is being deteriorated day by day in Pakistan. This review sums up the outcomes of various research studies conducted for drinking water quality status of different areas of Pakistan by taking into account the physicochemical properties of drinking water as well as the presence of various pathogenic microorganisms. About 20% of the whole population of Pakistan has access to safe drinking water. The remaining 80% of population is forced to use unsafe drinking water due to the scarcity of safe and healthy drinking water sources. The primary source of contamination is sewerage (fecal) which is extensively discharged into drinking water system supplies. Secondary source of pollution is the disposal of toxic chemicals from industrial effluents, pesticides, and fertilizers from agriculture sources into the water bodies. Anthropogenic activities cause waterborne diseases that constitute about 80% of all diseases and are responsible for 33% of deaths. This review highlights the drinking water quality, contamination sources, sanitation situation, and effects of unsafe drinking water on humans. There is immediate need to take protective measures and treatment technologies to overcome unhygienic condition of drinking water supplies in different areas of Pakistan.

277 citations