Datas about silver nanoparticles biocides?

Hi everybody: i am looking for recent datas about the amount of registered biocides containing silver nanoparticles. The most recent data i found is in this paper from Nowack et al. (2011) which...

23 April 2020 353 1 View

Analysis reproduction data in chronic toxicity tests with Ceriodaphnia dubia?

Hi everybody. I am facing an issue about reproduction data analysis in chronic toxicity test with C.dubia. US EPA Method 1002.0 (...

13 March 2020 1,932 4 View

NEED HELP PLEASE: How much AgNO3 salt i need to have a stock solution with the concentration of 5 g/L of Ag?

I have to do few toxicity tests in which silver is involved. To do that i have to prepare a stock solution using silver nitrate (AgNO3) salt. The concentration of exposure in the tests is referred...

18 January 2020 8,179 2 View

Are you aware of any study about consequences of landslide restoration/stabilization for animals?

Dear all, I have been searching through the literature for examples of possible impacts on biological communities of interventions targeted at restoring / stabilizing landslides. I found just a...

16 August 2019 6,793 6 View

Abaqus - Stress discontinuity after seismic analysis of earth dam?

Hello, I'm a student and I'm doing my master thesis work on modeling the seismic response of earth dams with abaqus, more specifically by doing dynamic non linear analysis. I did the analysis...

29 November 2018 3,222 4 View

Mantis eating horsehair worms?

Hy there, I was searching materials for my MsC thesis about horsehair worms, when I found...

13 December 2017 1,153 4 View

Heterogeneous nucleation of hydroxide on the nanoparticle surface

Hi, I am a master's student, I am trying to coat the Silica nanoparticles with LiOH. To make possible the LiOH precipitation on the Silica surface I chose to exploit the non-ideality of an...

06 July 2017 1,688 1 View

How to increase the adsorprion of Lithium Hydroxide on the Silica surface?

Hi, I am working with an alcohol solution saturated with LiOH and I need to make precipitate LiOH on the Silica surface, in particular I would get an uniform coating of the nanoparticles that I...

04 July 2017 4,375 2 View

Problems with RNA extraction from microvescicles..anyone can help me?

Hi everyone! do you have any piece of advice about RNA extraction from microvescicles? I usually recover MVs from human monocytes supernatant. I tried different protocols, like trizol and columns...

15 January 2017 7,926 4 View

M1 M2 monocyte markers by flow citometry?

Has anyone ever seen CD206 and CD80(by flow citometry) on polarized human macrophages M1/M2? I really can't see any difference by flow citometry when I acquire polarized macrophages. I expect M1...

27 September 2016 3,102 3 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View