Category Archives: Bahan Kuliah

Internet Directory for Botany

Introduction

The Internet Directory of Botany is an index to botanical information available on the Internet, compiled by Anthony R. Brach [brach (at) oeb.harvard.edu] (Harvard University Herbarium, Cambridge / Missouri Botanical Garden, St. Louis, USA, www page), Raino Lampinen (Botanical Museum, Finnish Museum of Natural History, University of Helsinki, Finland; www page), Shunguo Liu [cathay (at) cathay.net] (SHL Systemhouse, Edmonton, Canada; www page) and Keith McCree (Oakridge, Oregon; www page).The alphabetical list (formerly the List of WWW Sites of Interest to Botanists) was compiled by Anthony R. Brach. It was originally posted on TAXACOM in March 1995. HTML format is created and maintained by Shunguo Liu. The subject category list (formerly A Collection of Botany Related URLs), has been discontinued; however, we highly recommend the search engine, and Scott’s Botanical Links – Subject Index. The former subject list for the IDB was created by Raino Lampinen and maintained from Autumn 1993 to the year 2000. It started as a personal bookmark list of botanical gopher sites, then in March 1994 also included www sites, and was made available via WWW in December 1994.

Additions and Corrections

Please send us corrections, updates, and additions. Please email to: brach (at) oeb.harvard.edu. Home pages of arboreta, botanical gardens, herbaria, botanical societies and botanical research institutes are most welcome. Personal home pages of botanists are only exceptionally added to our lists. These pages are not for advertising commercial sites. We are sorry that we cannot answer specific questions beyond the scope of the information provided here. Baca lebih lanjut

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MAPS database

MAPSIntroduction

MAPS database provides phytochemicals, activities , structural and test target information about medicinal plants with reference to original research papers, PubMed Cental Id and PubChem structures. This web resource enables user to search plants with different activities, plants possessing specfic activity against specific test target (i.e virus, fungi, bacteria etc…), download phytochemical structures in .mol format with reference and hyperlink to PubChem Id.

Activities

MAPS database provides user with more than 20 activities possessed by medicinal plants. Each activity is linked with plant information with its name (Scientific Name), test target on which it found to be effective and literature as a reference( PubMed Id, Title, Abstract, Authors and PubMed Central id if available). Baca lebih lanjut

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Filed under Bahan Kuliah, Metabolit Sekunder

2015 in review

Asisten statistik WordPress.com menyiapkan laporan tahunan 2015 untuk blog ini.

Berikut ini kutipannya:

Museum Louvre dikunjungi 8,5 juta orang setiap tahun. Blog ini telah dilihat sekitar 110.000 kali di 2015. Jika itu adalah pameran di Museum Louvre, dibutuhkan sekitar 5 hari bagi orang sebanyak itu untuk melihatnya.

Klik di sini untuk melihat laporan lengkap.

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2014 in review

Asisten statistik WordPress.com menyiapkan laporan tahunan 2014 untuk blog ini.

Berikut ini kutipannya:

Museum Louvre dikunjungi 8,5 juta orang setiap tahun. Blog ini telah dilihat sekitar 120.000 kali di 2014. Jika itu adalah pameran di Museum Louvre, dibutuhkan sekitar 5 hari bagi orang sebanyak itu untuk melihatnya.

Klik di sini untuk melihat laporan lengkap.

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2013 in review

The WordPress.com stats helper monkeys prepared a 2013 annual report for this blog.

Here’s an excerpt:

The Louvre Museum has 8.5 million visitors per year. This blog was viewed about 110,000 times in 2013. If it were an exhibit at the Louvre Museum, it would take about 5 days for that many people to see it.

Click here to see the complete report.

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Hybridization

Hybridisation

Click the link for animation : http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf

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How to Dilute a Stock Solution

A. Why dilute?
Here are two situations that arise repeatedly in molecular biology labs:
1. You have a stock solution of some compound,  let’s say an antibiotic, and you want to add the compound to growth medium, at a much smaller concentration than the stock solution.
2. You have a tube of very concentrated bacteria, perhaps a billion cells per milliliter. You want to put a few hundred of them on a petri plate, so that the colonies that arise will be easily distinguishable.
In both cases, the way out of the problem is to dilute the original solution. If you work in a lab, you need to know how to do this. Baca lebih lanjut

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