Could you please give me the link on background concentration of sediment from USEPA/world recognized institution and/or author which is used to assess the ecological risk from heavy metal contaminated sediment?
I got some oral reference doses of metals but not more than 8 heavy metals (Cu, Ni, Cr, As, Pb, Cd, Hg, Zn) from different journal papers. Now I want to get more than 10 heavy metals oral...
31 December 2016 4,438 2 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 View
Hello everyone! I observed in my culture (htert-RPE1 cells) an orange- red particle at the bottom of the dish. It is visible to the naked eye as a very very small red dot. Could it be a...
09 August 2024 2,824 3 View
Recently, we observed that 99% of the sequences in our RNA-seq data corresponded to the E. coli genome. Despite multiple DNAse treatments after RNA extraction and ribosomal depletion, we were...
06 August 2024 807 3 View
Reference dose and Maximum acceptable concentrations HMs
03 August 2024 8,230 4 View
Hi researchers! I'm working on soil texture analysis, and the end result for sand is doubtful because there is black sediment appearing after drying, as shown in the figure. Is it considered sand?...
30 July 2024 557 2 View
Understand how to utilize biosynthesis to develop natural and sustainable solutions to address heavy metal pollution and improve environmental and agricultural conditions.
26 July 2024 1,469 1 View
Hi, Now I am doing a single-base editing by using HiFi Cas 9, guideRNA, single stranded DNA, HDR Enhancer V2 and my tranfection mehtod is lipofection (RNAiMax). Unfortunately, after gene editing,...
26 July 2024 2,136 0 View
Hello i need heavy oil PVT data having viscoisty of 2000-3000 cP. If someone have it or research papers about it, kindly share it with me Thanks
25 July 2024 6,940 1 View
What are the modern approaches to the organization and sustainable management of greenery in urbanized cities? How can ecological and recreational functions be introduced into the landscape and...
23 July 2024 7,292 4 View
Hello, I am experiencing an issue with mixing micro powder with resin in a 3D printer. The problem is that sedimentation occurs after a short period (about half an hour to an hour). Could you...
23 July 2024 1,672 0 View