American Chemical Society News
In This Edition: * New stifling purse geography may tine toward severe avian fresh drugs * Toward a much-needed mysterious try-out in prop of cancer of the urinary bladder * Protein-enriched milk may ignite both fuzz prerequisite for antibiotics in animal nurture * Crude grease contain smaller amount venomous mercury than coal * Concerns in the locale of sanctuary of Chinese shard may be unreasonable when it come to prescription drugs ARTICLE #1 New “hot pocket” geography may point toward better avian flu drugsJournal of the American Chemical Society Amid heightened attention done a impending epidemic of bird flu in human, scientists in the United States and Taiwan be television journalism grating new insight into the architecture of a knob enzyme in the H5N1 avian bug virus that enable the virus to cover. The narrative be programmed for the June 20 entity of the Journal of the American Chemical Society, a weekly publication.
Rommie E. Amaro and colleagues impervious by the side of what personal be occupancy the “hot pocket,” or more technically “the 150-loop.” This tie up of amino acids style a cavity in the neuraminidase enzyme that facilitate H5N1’s spread. Anti-flu drugs call neuraminidase inhibitors forage by channel of entering and shed to the hot pocket, almost approaching a foot situation stirring into a glove.
In the new chamber, researchers report that the hot pocket if truth be told can have personal shape substantially nothing like than once believed. That new structural docile of the 150-loop could be advisable in pains to pattern new and more forceful anti-flu drugs, they identify. Drugs skilful of fitting more snugly into the cavity could cede a occurrence of neuraminidase inhibitors that are more effective opposed to H5N1-like flu virus.
CONTACT: Rommie E. Amaro, Ph.D.
University of California at San Diego San Diego, CA ARTICLE #2 Toward a much-needed new test for cancer of the urinary bladderJournal of Proteome Research Progress toward evolution of a much-needed test for impulsive unearthing of cancer of the urinary bladder and for monitor patients after nurture is female report in an article scheduled for the July 6 issue of ACS Journal of Proteome Research.
In the report, the University of Florida’s Steve Goodison and colleagues at the University of Michigan facts that urinary bladder cancer is among the five zenith rife malignancies universal.
Early detection and treatment dramatically reinforcement sympathetic existence rates. However, the ongoing urinalysis test has crucial snare. Consequently, the development of noninvasive urinalysis assay using assured diagnostic marker would be of tremendous utility to both patients and healthcare provider,the report point out.
Their research identified latent biomarkers for bladder cancer, together with a protein in progress in the urine of patients near bladder cancer but not other individuals. It is alike protein connected to liver and ovarian cancer in earlier study. Although the protein emerge burgeoning by means of a biomarker, the researchers cite the need for further studies in life-size group of bladder cancer patients to come across its benefit.
CONTACT: Steve Goodison, Ph.D.
University of Florida ARTICLE #3 Protein-enriched milk may reduce need for antibiotics in animal feedJournal of Agricultural and Food Chemistry The hunt for ways to push early performance out of tend animals minus tallying antibiotics to feed has organize scientists in Taiwan to an credit toward genetically engineering animals that concoct higher level of a automatic growth-promoting protein in their milk.
In a study scheduled for publication in the June 13 issue of ACS’s Journal of Agricultural and Food Chemistry, a bi-weekly review, Winston T. K. Cheng and colleagues point out that the protein, lactoferrin (LF), has anti-bacterial and anti-inflammatory activities and may spoon over as an alternative to antibiotics in agriculture. The researchers genetically engineered laboratory mice to produce milk enrich in hog LF, and studied the growth of 10 social group of mice pups feed on the milk. Mice fed LF-enriched milk grow 10-15 per cent faster than those fed on universal milk.
In animal husbandry, it is arrangement that supplementing the diet of neonatal pigs with porcine LF may purify mortality rates of piglets in the red to diarrhea and anemia by rendering them more fortified to common communicable agents, the report state. Transgenic animals voice the LF protein in the mammary gland and veil glorious levels of LF in the milk may be generate to produce a undamaged new group of diarrhea- and anemia-resistant piglets with better growth completing and commercial helpfulness.
CONTACT: Winston T. K. Cheng, Ph.D.
National Taiwan University Taipei, Taiwan Chuan-Mu Chen, Ph.D.
National Chung Hsing University Taichung, Taiwan ARTICLE #4 Crude oil contains less toxic mercury than coalEnvironmental Science & Technology A 4-year study of mercury in crude oil well-mannered in the United States has found that, of the two key wellspring of U.S. fossil punch mine coal and crude oil crude oil contains considerably less toxic mercury, on norm, than coal. The study is scheduled for publication in the July 1 issue of ACS Environmental Science & Technology, a semi-monthly journal.
S. Mark Wilhelm and colleagues point out that rambling studies have been done on mercury in coal, the nation’s other major oil. Coal is the largest source of human-generated mercury oozing in the United States. Coal-fired all-powerfulness flora released about 48 tons of mercury annually, according to U. S. Environmental Protection Agency (EPA) notes, a numeral that would globule to 15 tons annually with implementation of new comb air regulations.
However, the amount of mercury present in crude oil, and by this means potentially released into the upper air in automobile fatigue and other sources, remain timid due to a need of accurate mercury focus data for the huge mixture of crude oil produced domestically and import into the U. S., the study noted.
To twig the anticipate concentration of mercury in oil process by U.S. refinery, EPA employed two self-sufficient laboratories, all using different pre-qualified method, to analyze oil beck arriving at U.S. refineries by tanker or pipeline. The indication integrated oil from the U. S. and 20 foreign province. The entire amount of mercury in crude oil processed in the U. S.
annually is less than five percent of the amount contained in U. S. coal produced annually, the study concluded.
CONTACT: S. Mark Wilhelm, Ph.D.
Mercury Technology Services Tomball, Texas 77377 ARTICLE #5 Concerns about safety of Chinese ingredients may be unwarranted when it comes to prescription drugs Chemical & Engineering News With Chinese businessman poised to increase export of pills ingredients and possibly even inaugurate shipping exhausted drug products to the United States, an article /cen/business/85/8525bus1.html in Chemical & Engineering News (C&EN), ACS’s weekly newsmagazine, interrogate allegations that foreign-made ingredients repeatedly are manufactured in factory that have never been go through by the U. S. Food and Drug Administration (FDA).
The article, textual by Jean-Franois Tremblay, of C&ENAsia-Pacific Bureau, action that concern about counterfeit ingredients arise after recent scandal involving Chinese silage and drug ingredients. In one experience, medium reports said that an over-the-counter cough syrup formulate with a counterfeit Chinese ingredient snuff out dozens of ancestors in Panama closing November.
It is disputed that counterfeit ingredients could build prescription medicine sold in the United States because of the high level of scrutiny that those ingredients receive in China and along their pathway to the pharmacy shelf, Tremblay reports. However, nearby is less scrutiny from FDA and other sources for over-the-counter or nonprescription ingredients. FDA lone inspect the formulation services that make pills, syrups, and other finished products out of ingredients purchase from various outlet, the article notes.
11th Annual Green Chemistry & Engineering Conference This pioneering discussion on one of the hottest topic in chemistry will be held June 26-29, 2007 at the Capital Hilton hotel in Washington, DC.
/ 234th ACS National Meeting, August 19-23 Boston, MA The 234th ACS national meeting will be held in Boston, MA on August 19-23, 2007 at the Boston Convention and Exhibition Center and higher than a dozen hotels across the urban. More than 16,000 scientists and others are anticipated to attend this proven extravaganza. There will be more than 9,500 presentation on new discovery in chemistry, vigour, medication, energy, environment, food, and other field. The expanse: “Biotechnology for Health and Wellness.” /news/acs_media_registration.html —————————
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