Junhua
Yan
Apt. 819, 222 ELM ST., Toronto, ON
M5T 1K5
416-616-8687(Cell)
yan_junhua@yahoo.com
OBJECTIVE
Seeking a development chemical software
position that can best utilize my over ten years of experience in
Organic Chemistry, Analytical Chemistry and Software
Programming.
EMPLOYMENT EXPERIENCE
Chief of Senior Research Scientist (2004
- 2005)
Beijing Pharmacy Tech. CO., Ltd.,
Beijing, CHINA
Primary Responsibilities:
- Led a group to synthesize zolmitriptan with
new synthesis route to improve its overall yield and purity. The target
compound has been on scales of up to 1Kg.
- Designed a new synthesis route to synthesize
resveratrol
(trans-3,4',5-trihydroxystilbene). The starting materials and chemical
reagents were very cheap and no tough experiment condition was needed.
- Modified the structure of known medicine
which was extracted from Chinese plant and had lower water dissolution.
A modified compound had very good dissolution in water and its activity
was better than the original from the animal experiment.
- Led the Department of Organic Synthesis and
made a technique decision for the company.
Research Assistant (2003 -
2004)
College of Pharmacy, University of
Michigan, Ann Arbor, Michigan
Primary Responsibilities:
- Synthesized some phosphate compounds to
study the mechanism of enzyme reaction with biological methods.
- Established and maintained the inventory of
chemicals in the lab with the software FileMaker Pro 6.0.
- Organized the laboratory and maintained some
instruments.
Research Assistant (2001 -
2002)
College of Pharmacy, Ohio State
University, Columbus, Ohio
Primary Responsibilities:
- Synthesized a series of boron compounds as
potential Boron Neutron Capture Therapy (BNCT) agents.
- Developed software Isotope Pattern
Calculator 4.0, which is most popular software among same function
software. Please check it on
http://www.geocities.com/junhuayan/pattern.htm
- Established the database of hundreds of
compounds synthesized in the lab with the software
ISIS/BASE.
- Maintained instruments in the lab to keep
them to work well.
Senior Software Developer (1998 -
2000)
China Financial Information Technology
Company, Ltd,
Beijing, China
Primary
Responsibilities:
Research Associate (1992 -
1998)
Beijing Institute of
Pharmacology & Toxicology, Beijing, China
Primary Responsibilities:
- Designed and developed the Recording Time Smart, which could record and count the time everyone spent on
browsing over the internet with Visual C++
5.0 for the Beijing Institute
of Pharmacology & Toxicology.
- Designed and developed the Molecular
Weight Calculator with Visual C++
5.0.
- Designed and developed Molecular Weight Calculator for
Combination Molecular Library
with Visual C++ 5.0.
- Designed and developed Database System of
Querying and Administrating Chemical Reagents with Power
Builder 6.5.
- Designed and developed the System of Querying and Administrating Clients for the Centurywill
Advertisement Company with Power
Builder 6.5.
- Responsible for software and hardware
maintenance for Beijing Institute of Pharmacology &
Toxicology and troubleshoot the office applications alongside
network administration.
- Gained experience in the usage and
configuration of Microsoft Windows NT 4.0 (server &
workstation), Lotus Notes
4.6, MS Office 97
Suite, Remote ISP access
software, Internet Explorer 4.0, CS Chem Office 98(Chem3D, ChemFinder, ChemDraw), ISIS/Draw etc.
- Designed and synthesized a series of
heterocycle compounds as new potential detoxic.
- Calculated the electric properties of
heterocycle compounds with Computer Assisting Designing Pharmacy
Technique on the SGI Graphic workstation.
- Labeled some compounds with
3H by microwave labeling method.
- Synthesized and labeled
3-(2-phenyl-2-cyclopentyl-2-hydroxyethoxy)[3-3H] quinuclidine
and its derivatives.
- Synthesized buspirone and its derivatives
and labeled them with 2H successfully.
- Led an organic synthesis group (4 persons).
- Mentored postgraduate students the subject
courses, 1H-NMR Spectrum,
13C-NMR Spectrum, Advanced
Organic Chemistry.
- Trained the staff in the Department of
Organic Synthesis how to browse on the internet with Netscape
Navigator and
Microsoft Internet Explorer.
Postgraduate (1989 -
1992)
Beijing
Institute of Pharmacology & Toxicology, Beijing,
China
Primary
Responsibilities:
- Designed and synthesized a series of
diamino-dithiol(N2S2) complexes as new brain
imaging agents.
- Labeled
diamino-dithiol(N2S2) complexes with
99Tcm and got high labeling ratio and radioactive
chemical purity.
QUALIFICATIONS
Computer:
|
IBM PC's SGI
Graphics Workstation Compaq
8000 series Windows NT server |
|
MS Windows (NT 4.0, 95,98, Me, 2000 and XP) Linux
MS
DOS Novell |
|
C++ Java
C
SQL
BASIC
Java
Script Lotus
Script ASP
VBscript
HTML
VBA
for MS Word |
|
MS Visual C++ 4.2, 5.0, 6.0
Power
Builder 5.0, 6.0, 6.5, 7.0 Lotus
Notes 4.6.1, R5 Visual
Basic 5.0, 6.0 |
|
SQL Anywhere 5.0 dBase
III,IV Microsoft
SQL Server 6.5, 7.0 Microsoft
Access 2.0 Microsoft
Excel 5.0, 9x, 2000, 2003, XP
Informix
7.0 |
|
Lotus Notes 4.6.1,
5.0 InstallShield
Professional 5.0, 5.5 Microsoft
Office 9x, 2K, 2003, XP Microsoft
InterDev 6.0 Lotus
1-2-3 WordPerfect
CS
Chem Office 98, 2000, 2005
ISIS/Draw Netscape
Navigator (all versions) Internet
Explorer (all versions) Opera
(all
versions) FrontPage
98 (all versions) Other:
WinZip(all
versions) Adobe PhotoShop(all
versions) Cute
FTP (all
versions) WS
FTP(all versions) |
|
Design Patterns, OOP
|
- Over 3
years of experience developing software,
administrating, troubleshooting and maintaining operating systems and
hardware in a LAN and WAN environment.
- A very strong studying ability.
- Strong
teamwork skills.
Chemistry:
- A strong background in organic chemistry and
medicinal chemistry, including the ability to conduct multi-step
synthesis sequences, chromatographic purification (Flash Column
Chromatography, Preparative TLC,TLC) and spectral
interpretations.
- A strong experience in synthesizing and
labeling compounds with radioisotopes and stable isotope. Such as
99Tcm, 3H and
2H.
- A strong experience in laboratory skills,
including knowledge of modern analytical instrument of UV spectrometer,
IR spectrometer, GC-MS, HPLC and NMR etc.
- Some skills in pharmacological experiments
in vitro and in vivo.
- Clear written and oral communication skills
in English.
- Ability to work effectively, independently
and develop strong collaborative relationships with colleagues.
EDUCATION
08/1989 - 07/1992
Beijing Institute of Pharmacology &
Toxicology, China M.S. Medicine Chemistry, Graduation Date:
07/1992
09/1985 - 07/1989
JianXi Normal
University, NanChang, JiangXi Province, China B.S. Chemistry, Graduation Date: 07/1989
HONOURS AND AWARDS
- The second prize of Science Technique
Progress Award in the Ministry of Public Health, China.
1998.
- The second prize of Computer Intelligence
Competition Award in the Academy of Medical Science, Beijing,
China. 1997.
MAIN PUBLICATIONS
- Youngjoo Byun, Junhua Yan, Ashraf S.
Al-Madhoun, Jayaseharan Johnsamuel, Weilian Yang, Rolf F. Barth, Staffan
Eriksson and Werner Tjarks. Synthesis and Biological Evaluation of
Neutral and Zwitterionic 3-Carboranyl Thymidine Analogues (3CTAs) for
Boron Neutron Capture Therapy. J. Med. Chem., 2005, 48(4):
1188-1198.
- Byun, Y.; Yan, J.; Al-Madhoun, A. S.;
Johnsamuel, J.; Yang, W.;Barth, R. F.; Eriksson, S.; Tjarks, W. The
synthesis and biochemical evaluation of thymidine analogues substituted
with nido carborane at the N-3 position. Appl. Radiat.
Isot. 2004, 61:1125-1130.
- Jayaseharan Johnsamuel, Nisha Lakhi, Ashraf
S. Al-Madhoun, Youngjoo Byun, Junhua Yan, Staffan Eriksson and
Werner Tjarks. Synthesis of ethyleneoxide modified 3-carboranyl
thymidine analogues and evaluation of their biochemical,
physicochemical, and structural properties. Bioorg. Med.
Chem. 2004, 12 (18): 4769-4781.
- Junhua Yan, Charlotta Naeslund,
Ashraf S. Al-Madhoun, Werner Tjarks et al. Synthesis and Biological
Evaluation of 3'-Carboranyl Thymidine Analogues. Bioorg. Med.
Chem. Lett. 2002, 12 (16): 2209-2212.
- Ashraf S. Al-Madhoun, Jayaseharan
Johnsamuel, Junhua Yan, Weihua Ji, Jianghai Wang, Werner Tjarks,
et al. Synthesis of a Small Library of 3-(Carboranylalkyl)thymidines and
Their Biological Evaluation as Substrates for Human Thymidine Kinases 1
and 2. J. Med. Chem. 2002, 45(18): 4018-4028.
- Sudimack, J.J.; Adams, D.; Rotaru, J.;
Shukla, S.; Yan, J.; Sekido, M.; Barth, R.F.; Tjarks, W., et al.
Folate Receptor-Mediated Liposomal Delivery of a Lipophilic Boron Agent
to Tumor Cells in Vitro for Neutron Capture Therapy. Pharm.
Res., 2002, 19(10): 1502-1508.
- Yan Junhua, Li Deyou, Chen Lanfu, et
al. Progress in development of diamino-dithiol complexes as brain
imaging agent. Isotopes. 1998, 11(1): 56-66
- Yan Junhua, Li Deyou, Chen Lanfu, et
al. The 99Tcm-labeling of diamino-dithiol
complexes as brain imaging agents and preliminary bio-distribution.
Isotopes. 1997, 10(2): 78-83
- Li Deyou, Yan Junhua, Wu Liang, Chen
Lanfu, et al. Preparation of
3-(2-phenyl-2-cyclopentyl-2-hydroxyethoxy)[3-3H]quinuclidine.
Isotopes. 1996, 9(3): 151-153
- Yan Junhua, Chen Lanfu, Li Deyou, et
al. Synthesis of diamino-dithiol complexes as new brain imaging agents.
Chinese Journal of Medicinal Chemistry. 1992, 2(4):
1-9
ABSTRACTS
- A.S. Al-Madhoun, W. Ji, J. Johnsamuel, J.
Yan, N. Lakhi, W. Tjarks, et al. The Biological Evaluation of a
Small Library of 3-(Carboranylalkyl) thymidines as Substrates for Human
Thymidine Kinases 1 and 2. Research and Development in Neutron
Capture Therapy, Proceedings of the 10th International Congress
on Neutron Capture Therapy. Essen, Germany, Septermber 8-13,
2002.
- Yan Junhua, Chen Lanfu, Li Deyou, et
al. Study of the methods of synthesizing and labeling diamino-dithiol
complexes. The second National Conference of Labeling Compounds.
Guiyang, China, Oct., 1992.
REFERENCES
Available upon
request.
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