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Carrot Broth™
One-step method for screening pregnant women for the presence of group B streptococci. more »

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  Scientific Posters

Hardy Diagnostics has a very proactive R&D department that is continually looking for a better way to culture and identify pathogenic organisms.  We collaborate with numerous outside laboratories to thoroughly test our innovative new products.  To view video demo of selected products click here.

Below we have listed some recent posters that have been presented at various national ASM conventions.

   
AnaeroGRO™
BluEcoli™ Urine Biplate
CarboFerm™ Neisseria
C. Diff Banana Broth™
Dye Tolerance Media
EnteroScreen4™
Fungal Susceptibility
GBS Detect™
HardyCHROM™ Candida
HardyCHROM™ MRSA
HardyCHROM™ SS
HardyCHROM™ UTI
HardyCHROM™ VRE
MacConkey w/ Cipro
Malt Extract Agar
MDR Acinetobacter™ Agar
Middlebrook 7H11/7H11 Select Comparison
Rapid MGP
Rapid Trehalose
Rapid Urease
StrepB Carrot Broth™
StrepPRO™ Latex Agglutination Kit
AnaeroGRO™ Anaerobic Culture Media

A Comparison of Commercially Prepared Culture Media for the Isolation of Anaerobic Bacteria

Presented at ASA 2012 - San Fransisco, California

view pdf file

AnaeroGRO™ media demonstrated superior performance for all strains tested on Brucella, BBE, and LKV.

BluEcoli™ Urine Biplate

Evaluation of BluEcoli™:
A New Chromogenic Medium for the Isolation and Identification of Urinary Tract Pathogens

Presented at ASM 2005 - Atlanta, Georgia

view pdf file

In-house testing and clinical trials demonstrated that BluEcoli™ can accurately detect E. coli without having to do further confirmatory testing. BluEcoli™ demonstrated 100% sensitivity and 100% specificity in both evaluations.

CarboFerm™ Neisseria

A New Test System for Identification of Neisseria spp. and Moraxella catarrhalis

Presented at ASM 2008 - Boston, Massachusetts

view pdf file

Describes the evaluation of CarboFerm™-- a carbohydrate utilization test system for the identification of Neisseria and Moraxella spp. The test system performed well for the identification of N. gonorrhoeae, N. meningitidis and M. catarrhalis. Further testing may be required for N. lactamica and Neisseria spp.

C. Diff Banana Broth™ (CDBB)

Comparison of Illumigene®C. difficile, C. Diff Banana Broth™ and Common Antigen Testing for the Diagnosis of C. difficile Infection

Presented at ASM 2011 - New Orleans, LA

view pdf file

The performance characteristics of ICD and CDBB are comparable. The ICD assay was easy to perform on both small and larger batches with results in 1 to 1˝ hours.

Rapid Culture-Based Confirmation of Common Antigen Positive/Toxin A/B Negative Stool Samples Submitted for Clostridium difficile Infection Detection

Presented at ASM 2010 - San Diego, California

view pdf file

This study evaluated common antigen positive, toxin A & B negative stool specimens. Toxin was recovered in 44% of the previously toxin-negative specimens.

Dye Tolerance Media

Evaluation of Dye Tolerance Media for the Identification of Brucella Species

Presented at ASM 2007 - Toronto, Canada

view pdf file

The study confirmed the Dye Tolerance media as a reliable and convenient method for the speciation of Brucella spp.

EnteroScreen4™

A Single-Tube Screen for Salmonella and Shigella

view pdf file

An article describing the use of a single-tube reaction system for the differentiation of non-pathogenic and pathogenic Enterobacteriaceae.

Fungal Susceptibility

Comparison of Disk Diffusion (M44-A) Assay with Reference (M38-A Microdilution) Method for Testing Moulds Against Voriconazole

Presented at ISHAM 2006 - Paris, France

view pdf file

The study compared disk diffusion testing of voriconazole mold isolates using 1 and 10ug disks and two media, Mueller Hinton with Glucose and Methylene Blue and standard Mueller Hinton plates.

GBS Detect™

Evaluation of Optimal Storage Temperature, Time and Transport Medium for the Detection of Group B Streptococcus in StrepB Carrot Broth

Presented at ASM 2012 - San Fransisco, CA

view pdf file

StrepB carrot broth is a chromogenic enrichment broth that can directly detect hemolytic GBS isolates.

Molecular vs. Culture: Detection of Group B Streptococcus (GBS) Colonization in Pregnancy

Presented at SCACM 2012 - Indianapolis, IN

view pdf file

Carrot broth reliably detects beta hemolytic GBS in 16-24 hours.

Evaluation of GBS Detect™and PNA FISH™ for the Detection of Group B Streptococci in Subcultures of LIM Broth

Presented at ASM 2011 - New Orleans, LA

view pdf file

Based on the results of this study, GBS Detect™ is a reliable method to increase the sensitivity of traditional culture methods for GBS detection, especially for non-beta hemolytic strains.

Evaluation of GBS Detect™: A New Medium for the Detection of Non-Hemolytic Group B Strep in Subcultures of Carrot Broth™ and LIM Broth.

Presented at ASM - Boston, Massachusetts

view pdf file

A new medium, GBS Detect™, was evaluated in a multi-center trial in comparison to Blood Agar plates. Over 22% of the GBS isolates were detected only on GBS Detect™, because these strains were non-hemolytic on standard Blood Agar plates.

Evaluation of GBS Detect™ and ChromID Strepto B agars for the detection of Group B streptococcus from GBS Screening Broth Medium (GBS).

Presented at ASM - San Fransisco, California

view pdf file

Hardy Diagnostics GBS Detect media is the most reliable selective media for the detection of GBS when using the CDC culture algorithm.

HardyCHROM™ Candida

Comparison of HardyCHROM™ Candida with the Becton Dickinson CHROMagar™ Candida for the Identification of Commonly Isolated Yeast Pathogens

Presented at ASM 2010 - San Diego,California

view pdf file

HardyCHROM™ Candida performed better than BD CHROMagar™ with larger colony size and better color development.

Comparison of HardyCHROM™ Candida with the Vitek® Yeast Biochemical Card Identification System for the Identification of Common Yeast Pathogens

Presented at ASM 2008 - Boston, Massachusetts

view pdf file

HardyCHROM™ Candida was found to be an easy, reliable, and accurate method for identifying clinically significant yeasts.

HardyCHROM™ MRSA

Evaluation of Two Types of Chromogenic Media for the Detection of MRSA in Wound Swabs

Presented at ASM 2011 - New Orleans, LA

view pdf file

The accurate identification of MRSA positive wound swabs was found to be more reliable on the HardyCHROM™ MRSA media within 24 hours in comparison with BBL™ CHROMagar™ MRSA media.

Evaluation of HardyCHROM™ MRSA in Comparison with BBL CHROMagar™ MRSA for the Detection of MRSA in Nasal Swabs

Presented at ASM 2010 - San Diego, California

view pdf file

HardyCHROM™ MRSA was found to be more reliable and had a faster detection time when compared to BBL CHROMagar™ MRSA.

Evaluation of Two Chromogenic Media for MRSA Screening from Nasal Swabs

Presented at ASM 2012 - San Fransisco, California

view pdf file

Bio-Rad MRSASelect and HardyCHROM MRSA accurately detect MRSA isolates from nasal swab specimens. HardyCHROM MRSA performs reliably at 24 hours, and is actually more accurate than a 48 hour interpretation. In our laboratory, visual clarity of the Hardy media was much preferred compared to the Bio-Rad product.

HardyCHROM™ SS

Evaluation of a Novel Chromogenic Medium for the Isolation and Differentiation of Salmonella and Shigella spp.

Presented at ASM 2011 - New Orleans, LA

view pdf file

Based on these findings, HardyCHROM™ SS can be employed as a cost effective, reliable method for the selective isolation and differentiation of Salmonella and Shigella spp. from non-pathogenic enteric bacteria

Evaluation of a Novel Chromogenic Medium as a Replacement for MacConkey Agar and Hektoen Enteric Agar

Presented at ASM 2012 - San Fransisco, California

view pdf file

Based on these findings, HardyCHROM™ SS can be employed as a replacement for MacConkey Agar and Hektoen Enteric Agar, as well as TSI and LIA screens from these media. HardyCHROM™ SS is a reliable and economical method for the selective isolation and differentiation of Salmonella and Shigella spp. from non-pathogenic enteric bacteria.

HardyCHROM™ UTI

Evaluation of HardyCHROM™ UTI for the Isolation and Identification of Common Urinary Tract Pathogens

Presented at ASM 2006 - Orlando, Florida

view pdf file

HardyCHROM™ UTI proved to be an accurate and reliable primary medium for the differentiation and identification of common UTI pathogens found in urine specimens.

HardyCHROM™ VRE

Comparison of Five Chromogenic Media for the Recovery of Vancomycin Resistant Enterococci (VRE) from Fecal Samples

Presented at ASM 2012 - San Fransisco, California

view pdf file

All of the chromogenic media are superior in sensitivity to our current BEAV culture for the detection of VRE.

MacConkey w/Cipro and BHI w/Cipro - Liss Formulation

Detection of Fluoroquinolone Resistant Organisms from Rectal Swabs

Presented at ASM 2010 - San Diego, CA

view pdf file

These media allow for reliable recovery of ciprofloxacin-resistant enteric gram-negative organisms that can be introduced into the blood stream during prostate biopsy procedures.

Malt Extract Agar

Variation in Colonial Morphology of Fungal Isolates Exhibited by Different Malt Extract Products in Agar Media

Presented at ASM 2006 - Orlando, Florida

view pdf file

Evaluation of a new formulation of Malt Extract Agar that resulted in more restricted colonies and better sporulation.

MDR Acinetobacter™ Agar

Evaluation of MDR Acinetobacter™ Agar, a New Medium for the Detection of Multi-Drug Acinetobacter spp.

Presented at ASM 2010 - San Diego, California

view pdf file

MDR Acinetobacter™ Agar can be used as a reliable method to detect multiple-drug resistant Acinetobacter spp. in clinical samples.

Middlebrook 7H11/7H11 Comparison

Compare Hardy Diagnostics Middlebrook 7H11/Middlebrook 7H11 Selective Biplate to the equivalent Becton Dickinson product

Research Summary Report February 2014

view pdf file

The average colony size on the selective side of the HDx plate was larger than the average colony size on the selective side of the BD plate.

Rapid MGP Media

Evaluation of Rapid Methyl-Alpha-D-Glucopyranoside Medium (MGP) for the Differentiation of Vancomycin Resistant Enterococci.

Presented at ASM 2005 - Atlanta, Georgia

view pdf file

Rapid MGP Medium is a reliable means to differentiate E. faecalis and E. faecium from E. gallinarum and E. casseliflavus.

Rapid Trehalose

"The most impressive results occurred with the Hardy Diagnostics Trehalose Fermentation Broth. The sensitivity was 96%, with a specificity of 100%."

view pdf file

The sensitivity was 96%, with a specificity of 100%.

Rapid Urease Medium

Cost Effective Use of Rapid Urease Medium in Diagnosing H. pylori Gastritis

Presented at ASM 1997 - Miami, Florida

view pdf file

Rapid Urease Medium is more cost effective and has a faster reaction time as compared to the standard CLO test.

StrepB Carrot Broth™

Evaluation of StrepB Carrot Broth™ and LIM Broth for Recovery of Group B Streptococci

Presented at the Chinese Laboratory Medicine Conference 2011 - Taipei, Taiwan

view pdf file

StrepB Carrot Broth™ revealed the best performance among the three culture media in this evaluation.

Comparison of LIM Broth with PNA FISH to Carrot Broth with PNA FISH for Identification of Group B Streptococcus in Prenatal Vaginal/Rectal Specimens

Presented at ASM 2010 - San Diego, CA

view pdf file

Group B Streptococcus Detection by Carrot Broth™/CHROMagar™ Colorex® GBS Agar vs. Conventional Colistin/Nalidixic Acid Agar/Group B Strep Broth Method

view pdf file

Carrot Broth™ demonstrated higher sensitivity when compared to another GBS broth.

Validation of Strep B Carrot Broth™ Using A Prospective Double Swab Comparison Method

Presented at CACMID 2008

view pdf file

Compared to conventional testing for GBS, using Strep B Carrot Broth™ demonstrated increased sensitivity and specificity with a marked reduction in turnaround time.

Evaluation of StrepB Carrot Broth™ versus Lim Broth
for Detection of Group B Streptococcus Colonization Status of Near-Term Pregnant Women

view pdf file

Diagnostic efficiency was increased with the use of Carrot Broth™ over LIM broth, because of the color change seen with positive samples.

Comparison of Carrot Broth™- and Selective Todd-Hewitt Broth-Enhanced PCR Protocols
for Real-Time Detection of Streptococcus agalactiae in Prenatal Vaginal/Anorectal Specimens

view pdf file

Testing negative Carrot Broth™ by PCR resulted in a higher percentage of positives than when LIM was used for PCR testing.

Carrot broth-enhanced Real-time PCR as an Alternative Means for Rapid Detection of Streptococcus agalactiae

view pdf file

Carrot broth culture using the BD GeneOhm™ StrepB assay (carrot broth enhanced PCR) yields increased sensitivity over carrot broth culture for detection of Streptococcus agalactiae.

Comparison of Culture Methods for the Detection of Group B Streptococcus from Vaginorectal Specimens

Presented at CACMID

view pdf file

Optimal results were obtained when using Carrot Broth™ for processing specimens for Group B Streptococcus.

Evaluation of StrepB Carrot Broth™ and LIM Broth for Long Term Storage/Recovery of Group B Streptococcus

Presented at ASM 2006 - Orlando, Florida

view pdf file

A study was conducted to determine survival of Group B Streptococcus in Carrot Broth™ and LIM Broth. The survival ranged was between 15-113 days in Carrot Broth™, with a mean of 51 days. Overall, the recovery from Carrot Broth™ stored at room temperature was better than with LIM broth stored under the same conditions.

Evaluation of Three Commercial Broth Media for Pigment Detection and Identification of Group B Streptococcus,
(Streptococcus agalactiae)

view pdf file

Carrot Broth™ was compared to two other commercial broth media with similar recovery noted for all three products, except when the count was less than 10-3 Recovery was better with Carrot Broth™ and Granada Instant Broth Biphasic when the CFU was lower.

Comparison of Commercially Available Methods (StrepB Carrot Broth™ and GBS Medium) for the Detection of Group B Streptococcus

Presented at ASM 2006 - Orlando, Florida

view pdf file

Study showed that Carrot Broth™ performed better than Group B Strep Broth(NEL).

Evaluation of Accuracy of StrepB Carrot Broth™ in the Detection of Different Serotypes of Group B Streptococci (GBS)

Presented at ASM 2006 - Orlando, Florida

view pdf file

Reference strains were tested using Carrot Broth™ and showed 100% sensitivity and specificity for all hemolytic strains tested.

Comparison of Real-Time PCR (Cepheid SmartCycler®) with Standard LIM Broth Culture and StrepB Carrot Broth™ for the Detection of Group B Streptococcus in Pre-Natal Vaginal/Rectal Specimens

Presented at ASM 2006 - Orlando, Florida

view pdf file

This study showed that Carrot Broth™ was more sensitive than LIM Broth and also that Carrot Broth™ showed better sensitivity than primary testing with the IDI-Strep BTM SmartCycler®.

Evaluation of StrepB Carrot Broth™ and LIM Broth Methods for Recovery of Group B Streptococci (GBS).

Presented at ASM 2005 - Atlanta, Georgia

view pdf file

Results of a multi-center trial comparing LIM Broth to Carrot Broth™. Carrot Broth™ demonstrated higher sensitivity and specificity than the LIM Broth method.

Evaluation of Three Methods (StrepB Carrot Broth™, LIM Broth, and Granada Agar) for Recovery of Group B Streptococci

Presented at ASM 2004 - New Orleans, Louisiana

view pdf file

This study compared three media used for the isolation of GBS. In cases where the colony count was low, Carrot Broth™ was able to reliably detect GBS.

Group B Streptococcus Detection by Carrot Broth™/CHROMagar™ Colorex® GBS Agar vs. Conventional Colistin/Nalidixic Acid Agar/Group B Strep Broth Method

view pdf file

This study showed a higher yield of GBS from Carrot Broth™/CNA and Carrot Broth™/Colorex® Group B Agar, with no effect on turnaround times.

Strep B Carrot Broth™ Transport Swab Inoculation Study

view pdf file

It is the opinion of the Hardy Diagnostics research and development team that Carrot Broth™ is effective when used with swabs that are discarded after inoculation instead of remaining in the Carrot Broth™ tube during incubation as the IFU currently recommends.

StrepPRO™ Latex Agglutination Kit

Evaluation of Three Commercially Available Kits for Grouping of Streptococci.

Presented at ASM 2005 - Atlanta, Georgia

view pdf file

Compared to other commercially available kits, Hardy Diagnostics StrepPRO™ was more cost effective and demonstrated superior or equivalent performance to other kits.

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