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J C HOFF

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Articles 18
Citations 241
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1.
Berman D, Rice E, HOFF J
Appl Environ Microbiol . 1988 Feb; 54(2):507-12. PMID: 3355136
Sieves and nylon screens were used to separate primary sewage effluent solids into particle fractions of less than 7- or greater than 7-micron size. The efficiency of separation was determined...
2.
HOFF J, Akin E
Environ Health Perspect . 1986 Nov; 69:7-13. PMID: 3816738
Drinking water disinfection provides the final barrier to transmission of a wide variety of potentially waterborne infectious agents including pathogenic bacteria, viruses, and protozoa. These agents differ greatly in their...
3.
Blaser M, Smith P, Wang W, HOFF J
Appl Environ Microbiol . 1986 Feb; 51(2):307-11. PMID: 3954344
Campylobacter jejuni and closely related organisms are important bacterial causes of acute diarrheal illness in the United States. Both endemic and epidemic infections have been associated with consuming untreated or...
4.
HOFF J, Rice E, Schaefer 3rd F
Appl Environ Microbiol . 1985 Oct; 50(4):1115-7. PMID: 4083876
In this study, in vitro excystation and mouse infectivity were compared as methods for quantitatively determining the viability of Giardia muris cysts before and after exposure to free residual chlorine....
5.
Keswick B, Satterwhite T, Johnson P, DuPont H, Secor S, Bitsura J, et al.
Appl Environ Microbiol . 1985 Aug; 50(2):261-4. PMID: 2996421
Norwalk virus in water was found to be more resistant to chlorine inactivation than poliovirus type 1 (LSc2Ab), human rotavirus (Wa), simian rotavirus (SA11), or f2 bacteriophage. A 3.75 mg/liter...
6.
Berg J, HOFF J, Roberts P, Matin A
Appl Environ Microbiol . 1985 Jun; 49(6):1534-7. PMID: 4015091
A method was developed to grow Legionella pneumophila in continuous culture. A chemostat was used to simulate nutrient-limited, submaximal growth in the natural environmental and to provide a precisely controlled...
7.
Harakeh M, Berg J, HOFF J, Matin A
Appl Environ Microbiol . 1985 Jan; 49(1):69-72. PMID: 3883899
The resistance of bacteria to antimicrobial agents could be influenced by growth environment. The susceptibility of two enteric bacteria, Yersinia enterocolitica and Klebsiella pneumoniae, to chlorine dioxide was investigated. These...
8.
Berman D, HOFF J
Appl Environ Microbiol . 1984 Aug; 48(2):317-23. PMID: 6091546
The kinetics of inactivation of simian rotavirus SA11 by chlorine, chlorine dioxide, and monochloramine were studied at 5 degrees C with a purified preparation of single virions and a preparation...
9.
Schaefer 3rd F, Rice E, HOFF J
Trans R Soc Trop Med Hyg . 1984 Jan; 78(6):795-800. PMID: 6533854
Giardia muris cysts, isolated from mouse faeces, excysted routinely at levels greater than 90%, when induced in 1X Hanks' supplemented with 17 mM glutathione, 29 mM L-cysteine-HCl, and 50 mM...
10.
Peterson D, Hurley T, HOFF J, Wolfe L
Appl Environ Microbiol . 1983 Jan; 45(1):223-7. PMID: 6297391
This study examined the effect of chlorine treatment on the infectivity of hepatitis A virus (HAV). Prodromal chimpanzee feces, shown to induce hepatitis in marmosets (Saguinus sp.), was clarified, and...