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Does anyone know, why the adsorption of chromium using hydroxyapatite (0.2,0.6 & 1 g) from 2 ppm resulted in a negative percent removal?

I can't find any supporting details about this. Thank you so much

28 May 2024 5,878 2 View

Nucleofection Program for HEK?

Hi everyone, I am currently working on optimizing transfection protocols for HEK293 cells using nucleofection. I'm aiming to achieve the highest possible transfection efficiency. Could anyone...

27 May 2024 7,532 3 View

How Do Paint Types Affect Leachate pH in Construction and Demolition Waste?

Hello. I conducted batch leaching tests with samples of construction and demolition waste with adhered paints to assess the influence of the paint on the release of contaminants in the leachate. I...

23 May 2024 4,033 1 View

How can metals and polymers be separated quickly in a flexible pipe used in the oil and gas industry?

In subsea decommissioning projects, the time it takes to separate materials from a flexible pipe for recycling is important for the quality of the operation. So, what machines and strategies can...

09 April 2024 3,241 0 View

I need as much information as possible on Jose Germain and everything he did in Spain for the advancement of Psychology?

I have to write a research paper on Jose Germain for a Psychology in Spain class, but I can hardly find any information on him and how he affected the history of psychology in Spain.

02 April 2024 6,670 1 View

What is an established cut off score for the Black and Downs Checklist?

Current undergraduate here in process of writing a literature review. I have just start the process of developing my inclusion and exclusion criteria for a set of articles that have already...

02 April 2024 7,889 0 View

Alguém pode ajudar com referências para uma pesquisa acadêmica?

Estou buscando estudos sobre transtorno de personalidade, de preferência antissocial, seja relacionado aos impactos sociais ou sobre avaliações médicas dos pacientes. Estou interessada em escrever...

24 March 2024 7,743 0 View

Why my PCR product is too short?

Hi everyone, I need your help with optimazing my PCR reaction. My PCR product should be 850bp. Starters Tm is 65, they do not form dimers or secondary structures and they’re specific (Blast...

15 March 2024 2,640 2 View

Anyone knows about German translations of the scales SIDAS and PPUS?

I am looking for validated German translations for the Problematic Pornography Use Scale (Kor et al., 2014) and the Suicidal Ideation Attributes Scale (SIDAS, Van Spijker et al., 2014). Can anyone...

14 March 2024 6,868 0 View

¿Qué método de investigación sería el más adecuado para indagar sobre el racismo en las comunidades racializadas en España ?

Cómo el racismo que está integrado en las estructuras sociales afecta a las comunidades que ya están en riesgo de exclusión, como las comunidades racializadas o marginadas, y cómo esto hace que...

10 March 2024 1,491 3 View

Are there any instruments for studying time similar to the way it is in space?

There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...

06 August 2024 7,102 0 View

Do you know any references for analyzing stochastic fiber orientaion composites ?

Hello everyone I am looking for one or some books for propertes and behaviors of stochastic fibre orientation composites. unfotunately I could not find any suitable reference for thias by...

04 August 2024 3,461 3 View

Does the delta function actually make sense to use on point particles?

The delta function seems produce logical contradictions when analyzed on a fundamental level. I would be curious if anyone else agrees.

31 July 2024 10,109 3 View

Are you interested in contributing a book chapter on biomaterials in Orthopaedics?

I am editing a book for Springer Nature on recent advancements and future trends in biomaterials for orthopedic and trauma applications, with a publication date slated for early next year. If you...

29 July 2024 5,015 9 View

"Idrisi Selva" tutorial Books for pridiction with driving factors in modeling?

Some educational books with practical exercises of the "Idrisi Selva" software, which have step-by-step visual training for predicting the change of land use/land cover and including the use of...

28 July 2024 4,168 0 View

Dear researchers, how can we download this book? Please help?

Several Complex Variables and Integral Formulas Dear researchers, how can we download this book? Please help?

22 July 2024 4,120 4 View

Do anyone knows any book dealing with fish growth/zootechnical performances and somatic indexes in aquaculture?

In the aquaculture and fish nutrition research field, a number of growth and somatic indexes are often used, including specific growth rate (SGR), feed conversion rate (FCR), protein efficiency...

22 July 2024 2,480 4 View

Any recommendations about affordable publishing for a book ?

Asking for recommendations about affordable publishing

17 July 2024 1,555 1 View

How to start writing an anti-virus software ?

I read several information security books. How do I start writing anti-virus softwares ？

13 July 2024 8,180 1 View

[ Call for Papers ] INTELLIGENT TRANSPORT SYSTEMS: ECOLOGY, SAFETY, QUALITY, COMFORT ?

DEAR COLLEAGUES!We invite you to take part in the InternationalConference "Intelligent Transport Systems:Ecology, Safety, Quality, Comfort", which will beheld on November 26–27, 2024 Available...

10 July 2024 8,173 3 View