Thanks a lot Ushadi
-- Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Phone: 011-25518297 Mob: 9810359089 http://people.du.ac.in/~singhg45/ On Wed, Jan 11, 2012 at 1:25 PM, ushadi Micromini <[email protected] > wrote: > Gurchranji: > Micromorphology is fine... or Microtopography may be apt... > just because the new SEM machines can look even closer, like at 300,000 > magnification, still does not make it look at thin sections and the inside > cytoplasm etc... Whatever is on the surface, including surface of > whatever is inside cells or sacks etc that can be fractured open is looked > at... > > But there is one caveat... if one purifies actin etc of cytoskeletal > structures of a cell and then plates them, dries them, coats etc processes > them, one can look at its structure, but that still is the surface > morphology... of protein or whatever... > > Japanese market now has an open chamber SEM where wet tissues without > processing or drying can be examined... I personally have not seen it, only > a small brochure... so cant comment on it... > > ==== > usha di > =========== > > > > > > On Wed, Jan 11, 2012 at 9:54 AM, Gurcharan Singh <[email protected]>wrote: > >> Thanks Vijayasankar ji and Pankaj ji for these papers. >> I have just given final approval to 3rd Indian edition "Plant >> Systematics, Theory and Practice" due in January 2012 in which I have >> managed to incorporate three major changes of 18th IBC (changing name from >> ICBN to ICN, allowing English description or diagnosis for Valid >> publication and allowing online publication for Effective publication; in >> addition to single name for each Fungus (no separate form genera) and >> fossils), as also incorporating Takhtajan (2009) and APG III >> classifications (which I could not do in 3rd International Edition "Plant >> Systematics, An Integrated Approach, which had gone out from me in >> September 2009, and published in January 2010). Wish I had this information >> (courtesy Ushadi, Pankaj ji and Vijayasankar ji) earlier to incorporate in >> my chapter on Ultrastructure and micromorphology. >> Just seeking a suggestion. For last at least three decades or so TEM >> structures were characterized as ultrastructure and SEM structures as >> Micromorphology in most books on Plant Systematics. Now that SEM can also >> explore anatomical features, what could be an appropriate term to cover >> these studies?. I was thinking about appropriate title for my chapter which >> is now "Utrastructure and Micromorphology". >> >> >> -- >> Dr. Gurcharan Singh >> Retired Associate Professor >> SGTB Khalsa College, University of Delhi, Delhi-110007 >> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >> Phone: 011-25518297 Mob: 9810359089 >> http://people.du.ac.in/~singhg45/ >> >> >> >> On Wed, Jan 11, 2012 at 6:16 AM, Dr Pankaj Kumar >> <[email protected]>wrote: >> >>> http://epress.anu.edu.au/wp-content/uploads/2011/05/ch0811.pdf >>> >>> Sir you may check this. >>> Pankaj >>> >>> >>> >>> On Jan 10, 6:18 pm, Prashant Awale <[email protected]> wrote: >>> > Dear Vijayasankar ji, >>> > >>> > I really liked this post. Its really a "divine feeling." Thanks for >>> this >>> > unique post. >>> > Regards >>> > Prashant >>> > On Tue, Jan 10, 2012 at 3:08 PM, Ushadi micromini < >>> [email protected] >>> >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> > > wrote: >>> > > Gurcharanji: >>> > > I dont mean to correct you... >>> > > but all are SEM..... >>> > >>> > > not a single one of these is a TEM.... >>> > >>> > > Usha di >>> > > ========== >>> > >>> > > On Jan 10, 1:52 pm, Gurcharan Singh <[email protected]> wrote: >>> > > > Thanks Pankaj ji and Ushadi >>> > > > I read second mail of Vijay ji and somehow missed looking at >>> attachments. >>> > > > Thanks for bringing it to my notice. >>> > >>> > > > Should we say >>> > > > First picture is SEM of leaf showing trichomes >>> > > > Second and third picture are TEM of cells showing crystals >>> > > > 4th again seems to be SEM >>> > >>> > > > -- >>> > > > Dr. Gurcharan Singh >>> > > > Retired Associate Professor >>> > > > SGTB Khalsa College, University of Delhi, Delhi-110007 >>> > > > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >>> > > > Phone: 011-25518297 Mob: 9810359089 >>> http://people.du.ac.in/~singhg45/ >>> > >>> > > > On Tue, Jan 10, 2012 at 2:11 PM, Ushadi micromini < >>> > > [email protected] >>> > >>> > > > > wrote: >>> > >>> > > > > Gurcharanji: >>> > > > > if you go to abridged summary that came this morning and go to >>> the >>> > > > > first email... its from Raman... and its title is :" My Flora >>> > > > > Picture of the Year 2011: Vijayasankar Raman " >>> > >>> > > > > there you scroll down ... and just above my first comment ... >>> are the >>> > > > > SEM pics ... i was asking about... >>> > >>> > > > > Is n't it wonderful.... >>> > > > > ??? >>> > >>> > > > > love it >>> > > > > Usha di >>> > > > > ============ >>> > >>> > > > > On Jan 10, 1:37 pm, ushadi Micromini <[email protected]> >>> > > > > wrote: >>> > > > > > Thanks Pankaj... >>> > > > > > crystals I could tell... >>> > >>> > > > > > My q to Vijaya was / is : is it cell wall... that's so rigid >>> and >>> > > forming >>> > > > > > the rhomboid spongy looking mesh... >>> > >>> > > > > > usha di >>> > > > > > ======== >>> > >>> > > > > > On Tue, Jan 10, 2012 at 1:55 PM, Pankaj Kumar < >>> > > [email protected] >>> > > > > >wrote: >>> > >>> > > > > > > Mam, 2nd and third pics show crystals (raphides) inside the >>> cell. >>> > > > > > > These crystals as well as their structure sometimes form a >>> good >>> > > > > > > taxonomic character of groups. >>> > > > > > > Pankaj >>> > >>> > > > > > > On Tue, Jan 10, 2012 at 4:19 PM, Ushadi micromini >>> > > > > > > <[email protected]> wrote: >>> > > > > > > > Dear Vijayashankar: >>> > >>> > > > > > > > A I am so excited ... >>> > >>> > > > > > > > 1: first for you, this will add some new or deeper >>> insights >>> > > to >>> > > > > > > > your ongoing studies.... but of course you knew that...! >>> > > > > > > > 2: I am excited for myself and the whole of eflora >>> > > family... >>> > > > > > > > we will get to see the botanical specimen in further >>> details... >>> > > as >>> > > > > and >>> > > > > > > > when you share your finds... >>> > >>> > > > > > > > ================== >>> > >>> > > > > > > > B: >>> > >>> > > > > > > > Now, you will be Vijyashankar micromini .... >>> > > > > > > > instead of / in addition to me... >>> > >>> > > > > > > > the micromini epithet was attached to my name by a few >>> friends >>> > > and >>> > > > > > > > colleagues a couple or three decades ago because I was >>> fond of >>> > > doing >>> > > > > > > > TEM and SEM of tumors etc....and ribosome...and >>> mitochondria... >>> > >>> > > > > > > > ======== >>> > >>> > > > > > > > C: and this the question section :-) >>> > >>> > > > > > > > the first pic is surface of leaf..... i imagine.... >>> > >>> > > > > > > > but what are 2 and 3rd pictures of ... a fracture of what? >>> > >>> > > > > > > > is it of a leaf and the rhoboid? structures cell walls... >>> with >>> > > > > > > > crystals etc inside? >>> > >>> > > > > > > > ============== >>> > >>> > > > > > > > just cant stop smiling.... what a great new dimension to >>> our >>> > > > > > > > interaction will this make.... >>> > > > > > > > wonderful for all of us... >>> > >>> > > > > > > > and congratulations for learning the techniques... >>> > > > > > > > ushadi >>> > >>> > > > > > > > ========== >>> > > > > > > > ps does this grow in mississipi??? >>> > >>> > > > > > > > ================= >>> > >>> > > > > > > > On Jan 10, 12:44 pm, "J.M. Garg" <[email protected]> >>> wrote: >>> > > > > > > >> Thanks, Vijayasankar ji, >>> > > > > > > >> Wonderly different idea & picture. >>> > >>> > > > > > > >> For others: >>> > > > > > > >> Scanning Electron Microscopy (SEM): >>> > >>> > >http://serc.carleton.edu/research_education/geochemsheets/techniques/ >>> . >>> > > > > .. >>> > >>> > > > > > > >> A link for Scanning electron microscope: >>> > > > > > >http://en.wikipedia.org/wiki/Scanning_electron_microscope >>> > >>> > > > > > > >> On 10 January 2012 05:15, Vijayasankar < >>> > > [email protected]> >>> > > > > > > wrote: >>> > >>> > > > > > > >> > Dear all >>> > >>> > > > > > > >> > Here is yet another b&w picture as 'my flora picture of >>> the >>> > > year >>> > > > > > > 2011'. >>> > > > > > > >> > I am not sure if this is suitable for this title, >>> though. >>> > >>> > > > > > > >> > But this is my first ever SEM picture :) It was my >>> > > > > dream....finally >>> > > > > > > came >>> > > > > > > >> > true! It was a great experience to learn the techniques >>> > > without a >>> > > > > > > tutor >>> > > > > > > >> > (but now I am helping many...). >>> > > > > > > >> > The picture shows glandular and non-glandular trichomes >>> from >>> > > leaf >>> > > > > of >>> > > > > > > >> > Salvia divinorum, a psychoactive plant endemic to >>> Mexico. >>> > > > > > > >> > I recorded 5 types and 33 sub-types of trichomes (some >>> of them >>> > > > > are new >>> > > > > > > >> > reports), from a single leaf, thanks to SEM... >>> > >>> > > > > > > >> > Regards >>> > >>> > > > > > > >> > Vijayasankar Raman >>> > > > > > > >> > National Center for Natural Products Research >>> > > > > > > >> > University of Mississippi >>> > >>> > > > > > > >> -- >>> > > > > > > >> With regards, >>> > > > > > > >> J.M.Garg ([email protected]) >>> > > > >http://en.wikipedia.org/wiki/User:Jmgarg1 >>> > > > > > > >> 'Creating awareness of Indian Flora & Fauna' >>> > > > > > > >> The whole world uses my Image Resource of more than a >>> *thousand >>> > > > > > > species* & >>> > > > > > > >> eight thousand images of Birds, Butterflies, Plants etc. >>> > > (arranged >>> > > > > > > >> alphabetically & place-wise): >>> > > > > > >http://commons.wikimedia.org/wiki/Category:J.M.Garg. You can >>> also >>> > > use >>> > > > > them >>> > > > > > > >> for free as per Creative Commons license attached with >>> each >>> > > image. >>> > > > > > > >> For identification, learning, discussion & documentation >>> of >>> > > Indian >>> > > > > > > Flora, >>> > > > > > > >> please visit/ join our Efloraofindia Google e-group: >>> > > > > > > >>> http://groups.google.co.in/group/indiantreepix(morethan1760members& >>> > > > > > > >> 1,00,000 messages on 21/12/11) or Efloraofindia website: >>> > > > > > > >>> https://sites.google.com/site/efloraofindia/(withaspeciesdatabase >>> > > > > > > >> of more than 6000 species). >>> > > > > > > >> Also author of 'A Photoguide to the Birds of Kolkata & >>> Common >>> > > Birds >>> > > > > of >>> > > > > > > >> India'. >>> > >>> > > > > > > -- >>> > >>> > > >>> ********************************************************************** >>> > > > > > > "Taxonomists getting Extinct and Species Data Deficient !!" >>> > >>> > > > > > > Pankaj Kumar Ph.D. (Orchidaceae) >>> > > > > > > Conservation Officer >>> > >>> > > > > > > Office: >>> > > > > > > Orchid Conservation Section >>> > > > > > > Flora Conservation Department >>> > > > > > > Kadoorie Farm and Botanic Garden (KFBG) Corporation >>> > > > > > > Lam Kam Road, Tai Po, New Territories, Hong Kong. >>> > >>> > > > > > > Residence: >>> > > > > > > 36c, Ng Tung Chai, Lam Tseun >>> > > > > > > Tai Po, New Territories, Hong Kong. >>> > >>> > > > > > > email: [email protected] >>> > > > > > > [email protected] >>> > > > > > > [email protected] >>> > > > > > > Phone:+852 2483 >>> 7128begin_of_the_skype_highlighting +852 2483 7128 (office >>> - 8:30am to 5:30pm) >>> > > > > > > +852 9436 >>> 6251begin_of_the_skype_highlighting +852 9436 6251 (mobile) >>> > >>> > > > > > -- >>> > > > > > Usha di >>> > > > > > =========== >> >> >> >> >> > > > -- > Usha di > =========== > >
