[Histonet] Prepared slides of human skin with tattoos in xs

2020-01-17 Thread Jorge A. Santiago-Blay via Histonet
Hi: I teach college human anatomy and physiology and would like to have a slide or two of human skin with tattoos in cross section. Do you know where may I get a hold of those? All I use these days is an illustration from the web. Please, email me directly if you have constructive suggestion.

[Histonet] What is the smallest diameter (easily available and cheap) syringe?

2018-03-10 Thread Jorge A. Santiago-Blay via Histonet
Hi: I am preparing a device for blowing air into a tiny, subcylindrical structure (diameter << 1 mm) in some (non-human) organisms. Heat extruded Pasteur pipettes are good but too fragile for my taste. What is the smallest diameter (easily available and cheap) syringe? If you have any

[Histonet] Blood "donations" for money

2017-07-22 Thread Jorge A. Santiago-Blay via Histonet
Dear Colleagues: Close to where I leave, there is an establishment for blood "donations". Apparently, the establishment pays per donation. I hypothesize that the money explains why the place is generally "hopping" (today, ca. 8:30AM, there were ca, 25-30 cars parked in front of the establishment;

[Histonet] small *and* cheap circular microscope cover slips

2016-12-29 Thread Jorge A. Santiago-Blay via Histonet
small *and* cheap circular microscope cover slips Dear Colleagues: I am looking for a reliable supplier of small (say, 12 mm or less) *and* cheap circular microscope cover slips. Note: I have already contacted suppliers available on the web but wish to have a larger choice. If you have

[Histonet] What are science faculty members doing when evaluating anti-science papers in science classes?

2016-12-05 Thread Jorge A. Santiago-Blay via Histonet
What are science faculty members doing when evaluating anti-science papers in science classes? Dear Colleagues: To encourage civilized face to face or digital discussions, in my science classes, I like to ask questions about topics some people find controversial (e.g. age of Earth, age of human

[Histonet] Brief (2-3 minutes) survey on respiration in terrestrial insects

2016-11-13 Thread Jorge A. Santiago-Blay via Histonet
Dear Colleagues: Would you mind taking a brief survey on respiration in terrestrial insects? https://www.surveymonkey.com/r/KDZL8BT Gratefully, Jorge Jorge A. Santiago-Blay, PhD blaypublishers.com 1. Positive experiences for authors of papers published in *LEB*

[Histonet] Use VHS to record scientific information

2016-11-06 Thread Jorge A. Santiago-Blay via Histonet
Dear Colleagues: In this age of digital media, how common is to use VHS (= video home system, analog medium) tapes to capture scientific information (e.g. histological or of any other kind) that will then be analyzed? How common do you think was the use of VHS tapes in science some 20 years ago?

[Histonet] Looking for a paper

2016-10-03 Thread Jorge A. Santiago-Blay via Histonet
Looking for a paper Dear Colleagues: Two major library searches by two different institutions and years of looking by a very competent librarian, still unable to find the reference below: Cunha, A. and W. E. Kerr. 1957. A genetical theory to explain sex-determination by arrhenotocous

[Histonet] STEM and the ARTS

2016-09-28 Thread Jorge A. Santiago-Blay via Histonet
STEM and the ARTS Dear Colleagues: I am putting together a little presentation for a regional workshop on *STEM and the ARTS *(details after the PS). While I am emphasizing ecology/environmental sciences, if you have experience in this topic (anecdotes are OK) - regardless of the area (e.g.

[Histonet] Change in linear dimensions of soft tissues in larval insect when fixed

2016-09-16 Thread Jorge A. Santiago-Blay via Histonet
Change in linear dimensions of soft tissues in larval insect when fixed Dear Histonetters: I have nearly ca. 200 museum specimens of aquatic larval insects (1-3 cm long) that I assume were killed by dumping them in (at the minimum) 70% ethanol. In the only one case that the label states anything

[Histonet] Looking for commercial source of casein (5-10g)

2016-09-16 Thread Jorge A. Santiago-Blay via Histonet
Dear Histonetters: I need 5-10 grams of casein for a protocol I am testing. The two recommended sources only supply casein at the kg level, much more than what I need. Can someone (off the list, please) suggest me a place that may sell 5-10 grams? If you have any constructive suggestions, please

[Histonet] Query on authorship

2016-08-19 Thread Jorge A. Santiago-Blay via Histonet
Query on authorship Dear Colleagues: I am writing a small paper resulting from research done with two undergraduates many years ago (and, later on, involving several other colleagues using cutting-edge technology). As the results became obvious, both of the students agreed (orally, in person)

[Histonet] looking for recommendations on a textbook (and/or other materials) suitable for a 100-level college interdisciplinary course in emphasizing science, society, and history

2016-07-20 Thread Jorge A. Santiago-Blay via Histonet
Dear Colleagues: I am looking for recommendations on a textbook (and/or other materials) suitable for a 100-level college interdisciplinary course in emphasizing science, society, and history. If you have any constructive recommendations, please kindly send them directly to me:

[Histonet] Who said Natura maxime miranda in minimis. or Natura in minima maxima. who said this? Nature is the greatest in the smallest. ?

2016-06-12 Thread Jorge A. Santiago-Blay via Histonet
Dear Colleagues: Who said Natura maxime miranda in minimis. or Natura in minima maxima. who said this? Nature is the greatest in the smallest. ? Dear Colleagues: I am trying to find the source of *Natura maxime miranda in minimis*. I have also seen *Natura in minima maxima*. Nature is the

[Histonet] Corona radiata (ovum): how early in animal evolution is there a corona radiata?

2016-04-25 Thread Jorge A. Santiago-Blay via Histonet
Dear Histonetters: How early in animal evolution is there a corona radiata (layer encircling the ovum)? Gratefully, Jorge Jorge A. Santiago-Blay, PhD blaypublishers.com 1. Positive experiences for authors of papers published in *LEB* http://blaypublishers.com/testimonials/ 2. Free examples

[Histonet] Improving fixation of insect parts for TEM

2016-03-10 Thread Jorge A. Santiago-Blay via Histonet
Hello Histonet-Listers: This is a follow up on earlier messages re. fixation of insect parts for TEM. First, thanks for the feedback to try minimizing the effect of setae in creating an air bubble. Second, we are having difficulties making the resin for blocks used in TEM adhere well to the

[Histonet] Suggestions for making glutaraldehyde penetrate in between little setae of insects for microscopy

2016-02-26 Thread Jorge A. Santiago-Blay via Histonet
Hello Histonetetrs: I am trying to fix insect wings for TEM. Less than ideal fixation appears to be caused by abundant setae on the surface of the wings. Those setae, trap air, thus making penetration of the fixative more difficult difficult. Interestingly, also the wings tend to curl upon

[Histonet] 3D reconstructions from sections

2015-12-02 Thread Jorge A. Santiago-Blay via Histonet
3D reconstructions from sections Dear Histonetters: Is/are there an easy-to-use 3D reconstruction program(s) where one feeds it with digital images of sections and out come 3D reconstructions that one can rotate, etc.? If you have a constructive suggestions, please feel free to email me

[Histonet] Recommendations of places to purchase two stains and question on protocol

2015-11-27 Thread Jorge A. Santiago-Blay via Histonet
Dear Histonetters: I am trying to purchase two stains: 1. Cresil etch violet (for nervous tissue) - https://en.wikipedia.org/wiki/Cresyl_violet

[Histonet] Stains specific to nervous vs. endocrine tissue on insects

2015-11-25 Thread Jorge A. Santiago-Blay via Histonet
Dear Histonetters: Could I be directed to stains specific to nervous vs. endocrine tissue on insects? Gracias, sincerely, Jorge Jorge A. Santiago-Blay, PhD blaypublishers.com 1. Positive experiences for authors of papers published in *LEB* http://blaypublishers.com/testimonials/ 2. Free

[Histonet] new issue alert, free

2015-11-05 Thread Jorge A. Santiago-Blay via Histonet
NEW ISSUE ALERT: Life The Excitement of Biology 3(3) http://blaypublishers.com/2015/10/31/leb-33-2015/ Apologies for potential duplicate emails. Jorge A. Santiago-Blay, PhD blaypublishers.com 1. Positive experiences for authors of papers published in *LEB*

[Histonet] Getting rid of bubbles in a gelatinous slide mounting medium

2015-10-16 Thread Jorge A. Santiago-Blay via Histonet
Hello Histonetters: I have several hundred temporary slide preparations of insects body parts mounted on aqueous gelatin. As we prepare to photograph, we have been told to completely cover the specimen with the gelatin mounting and place a cove slip on top. As we melt new gelatin to comply, the

Re: [Histonet] Coverslip tape

2015-10-09 Thread Jorge A. Santiago-Blay via Histonet
Hello: Is there a way to get a small free sample of that tape? Does it save money or have some other pluses? Gratefully, Jorge On Fri, Oct 9, 2015 at 9:34 AM, Abbott, Tanya via Histonet < histonet@lists.utsouthwestern.edu> wrote: > This is more a Cyto question, but, does anyone out there use

[Histonet] How deep in skin do hair dyes and shampoos penetrate?

2015-09-22 Thread Jorge A. Santiago-Blay via Histonet
Dear Histonetters: The other day, someone ask me in class, how deep in skin do hair dyes and shampoos penetrate? I know tattoos are generally placed in the dermis but I was not sure re. hair dyes and shampoos (incl. those that cause a tingling sensation). If you know, please feel free to email

[Histonet] Looking for Human A and P Listservers

2015-09-14 Thread Jorge A. Santiago-Blay via Histonet
Dear Histonetetrs: I have been looking for Human A and P Listservers and, thus far, I have not been successful. Will appreciate recommendations of such listservers send directly to my email: blayjo...@gmail.com With gratefulness, Jorge Jorge A. Santiago-Blay, PhD blaypublishers.com 1.

[Histonet] Mindfulness in STEM Education?

2015-09-02 Thread Jorge A. Santiago-Blay via Histonet
Hello Histonetters: As a favor to a colleague, I would like to know if you know of faculty members, departments, groups of departments, universities, etc. incorporating mindfulness [*"Mindfulness* is the intentional, accepting and non-judgmental focus of one's attention on the emotions,

[Histonet] Listservers Anatomy and Physiology

2015-08-11 Thread Jorge A. Santiago-Blay via Histonet
Listservers Anatomy and Physiology Dear Histonetters: I have been looking for free listservers emphasizing Anatomy and Physiology. Do you know of any? If yes, please feel free to send me an email directly. Gratefully, Jorge P.S. Apologies for potential duplicate emails. -- Jorge