What is the half-life of 4(OH)TAM?

More Ioannis Kokkinopoulos's questions See All

Is there a competent body to certify and judge whether a new anti-seismic technology makes a positive contribution or whether it is dangerous?

21 June 2024 9,919 3 View

How do we reduce the tensile force on the side of the wall without prestressing?

There is the torque on the wall, which tends to rotate it. As it rotates, the diagonal forces down, the ground resists and compression is created. The other side of the wall, raises forces which...

23 March 2024 8,422 3 View

What are our homes at risk from?

1. Fire 2. Earthquake 3. Flood But the big bill comes from 4. not maintaining them. How can we maintain the structures if we can't? Because the buildings will start falling down on their...

21 March 2024 3,362 1 View

Does anyone have the following article "Canine haematological changes during gestation and lactation. " ?

Authors: R. L. Allard, A. D. Carlos, E. C. Faltin Journal Article : Companion Animal Practice , Vol.19, No.3, pp.3-6

11 February 2024 8,690 1 View

What is better, the earthquake forecast, or building strong earthquake structures?

To deal with a strong earthquake what is best. 1. To anticipate the earthquake and flee our homes to avoid being killed, or 2. To build strong structures unscathed in the earthquake ?

03 February 2024 6,576 15 View

Is there a Shadowban in scientific journals for the papers we publish?

Is there a Shadowban in scientific journals for the papers we publish? Shadowban is the practice of blocking or partially blocking a user or their content from certain areas of an online community...

15 January 2024 6,604 7 View

Are extreme natural phenomena more frequent lately?

Dear colleagues Good morning. I have noticed that in the few recent years extreme natural phenomena are more frequent than before (see file attached). Is this assumption correct? Please comment...

14 January 2024 495 9 View

What is the world record for traction on ground and rock anchors?

There are many anchoring mechanisms for soil and rock. Some resist traction, others resist compressive loads What is the world record and what is the strongest traction anchorage known in soil...

17 December 2023 8,409 4 View

How can I separate Diglycerol and Diglycerol Dicarbonate from a mixture using HPLC?

In literature, they separate the simpler form of the mentioned compounds, Glycerol and Glycerol Carbonate by GC. I tried GC but I could not separate them so I decided to try HPLC. However, I have...

06 December 2023 4,992 3 View

Is the "Lamprophyre Clan" or the "Lamprophyre Facies" correct?

Dear colleagues Good day to you all. One of the most famous debates in Igneous Petrology is the relation between the diamondiferous rocks (i.e. lamprophyres, lamproites, orangeites and...

05 November 2023 813 0 View

What precautions should be taken while handling S. aureus enterotoxin Type B in the lab?

I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...

07 August 2024 6,034 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

Why my colony PCR results of my recombinant bacterial not showing any results?

I am performing ligation of the plasmid and a target gene. The steps I have taken are: 1. Double digestion of the plasmid and target gene 2. Ligation of the plasmid with the target gene 3....

05 August 2024 2,570 3 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,023 2 View

How do we pick data for determination of Validation Acceptance Criteria?

Hello, colleagues! There is commenting open for new upcoming edition of USP 1033. Validation target acceptance criteria is now different from what it used to be and it doesn't include Cpm....

23 July 2024 7,292 3 View

When I am trying to distill triethyl amine while drying it over calcium hydride. How do I design the setup to let hydrogen escape without losing NEt3?

I am new to research. The boiling point of triethyl amine (NEt3) is 89 degrees centigrade. I am skeptical that when I will let the hydrogen escape which is getting generated in situ, I will also...

21 July 2024 7,284 4 View

Does anyone notice the tumor regression impact of Hepa1-6 cells in HCC orthotopic mice model?

To establish an orthotopic HCC model, C57BL/6 mice (male, 6-8 weeks) were orthotopically implanted with 3x106 Hepa1-6 cells (Over-expressed with a human gene) in 20uL Matrigel into the left lobe...

18 July 2024 9,177 2 View

How to cacualte the creep life of polycrystal with CPFEM?

I saw a paper(PHAN V-T, ZHANG X, LI Y, et al. Microscale modeling of creep deformation and rupture in Nickel-based superalloy IN 617 at high temperature [J]. Mechanics of Materials, 2017, 114:...

16 July 2024 8,436 0 View