Results 11 to 20 of about 105,583 (339)

Evaluation of Heavy Metals in Vegetables from Two Origins Marketed in Northern Peru [PDF]

open access: yesNature Environment and Pollution Technology, 2022
The objective of the study was to evaluate the concentration of arsenic, chromium, cadmium, and lead in onion (Allium fistulosum and Allium cepa), tomato (Solanum lycopersicum), and celery (Apium graveolens) from two origins (local - Chachapoyas province
J. Grández, M. Oliva, E. Morales, M. Goñas, S. Chavez A. Guivin, L. Quiñones and M. Milla
doaj   +1 more source

Excessive Copper Levels in Cooked Sausages: A Case Study of Local Market Products [PDF]

open access: yesBIO Web of Conferences, 2023
This study aimed to assess the presence of heavy metals, specifically lead, cadmium, mercury, copper, and zinc in locally sourced sausage products, both cooked and semi-smoked.
Fedoseeva N   +4 more
doaj   +1 more source

Studying the concentration of xenobiotics in milk and developing the biosensor method for their rapid determination

open access: yesHeliyon, 2023
In this article the content of toxic xenobiotics (heavy metals and pesticides) in cow milk collected from 5 districts of Eastern Kazakhstan was examined and their cumulative properties were determined. The content of organochlorine pesticides (HCCH, DDT)
Yerlan Zharykbasov   +9 more
doaj   +1 more source

Dynamic of pollutants concentration in forest stands from Copsa Mica industrial area [PDF]

open access: yesAnnals of Forest Research, 2009
The paper presents the dynamics of pollutants concentrations from nonferrous metallurgical plant in Copºa Mica, considered, between the years 1985 -1989, as the most polluted area, even in the world, and detected as a large black spot on Landsat ...
Marian Ianculescu   +4 more
doaj   +3 more sources

Study on the effect of nine nucleic acid extraction lysing reagents on PCR amplification efficiency

open access: yesZhongguo shipin weisheng zazhi, 2023
ObjectiveTo explore the maximum allowable concentration of six chemical reagents and three enzyme lysates in a polymerase chain reaction (PCR) amplification system and the differences of IGEPAL CA-630 cleaving different species.MethodsPrepare different ...
LIU Na   +3 more
doaj   +1 more source

Accumulation of Heavy Metals in Agricultural Crops and Ecological Series of Crops Placement

open access: yesمجلة بغداد للعلوم, 2023
The accumulation of toxic elements in vegetables and melons grown in agriculture, Brassica rapa - turnip, Solanum lycopersicum - tomato, Citrullus lanatus - watermelon, Capsicum annuum - bell pepper, Daucus carota - carrots, Cucurbita pepo - pumpkin ...
Zafar Zairovich Uzakov   +3 more
doaj   +1 more source

Wetting criteria for the applicability of membrane distillation [PDF]

open access: yes, 1987
Membrane distillation can only be applied on liquid mixtures which do not wet a microporous hydrophobic membrane. Solutions of inorganic material in water have such high values of surface tension (γLgreater-or-equal, slanted72x10−3 N/m) that the non ...
Bargeman, D.   +4 more
core   +3 more sources

Measurement of Gross Alpha and Beta Activity Concentrations in Drinking Water from Sabon Gari Local Government Area of Kaduna State, Nigeria [PDF]

open access: yesPhysics Access, 2022
The gross alpha and beta activity concentrations of eighteen water samples, consisting of boreholes and Hand dug wells from Sabon Gari Local government area of Kaduna StateNigeria have been analyzed using, the potable single channel gas free MPC-2000B-DP
Usman Adamu   +3 more
doaj   +1 more source

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