Results 101 to 110 of about 48,476 (320)

Structure and Metal Binding Properties of ZnuA, a Periplasmic Zinc Transporter from \u3cem\u3eEscherichia coli\u3c/em\u3e [PDF]

, 2008
ZnuA is the periplasmic Zn2+-binding protein associated with the high-affinity ATP-binding cassette ZnuABC transporter from Escherichia coli. Although several structures of ZnuA and its homologs have been determined, details regarding metal ion ...
Bennett, Brian, Breece, Robert M., Crowder, Michael W., Easton, J. Allen, Kim, Lydia R., Rosenzweig, Amy C., Sugarbaker, Stacy A., Tierney, David L., Vorontsov, Ivan I., Yatsunyk, Liliya A.   +9 more
core   +2 more sources

The Ticking Clock: Differential Time‐Dependent Deterioration Between Washed and Thawed Sperm

Andrology, EarlyView.
ABSTRACT Background Cryopreservation is widely used in assisted reproductive technologies. While fresh sperm undergoes gradual time‐dependent deterioration, it remains unclear whether thawed sperm exhibits a more accelerated decline. Objectives To directly compare the rate of deterioration in sperm motility, vitality, and DNA fragmentation between ...
Adiel Kahana, Emily Hamilton, Noga Fuchs Weizman, Sandra E. Kleiman, Shlomit Shabat, Foad Azem, Shimi Barda   +6 more
wiley   +1 more source

A vacuum lyophilization and bacterial tablet-based method for culture medium evaluation and potential use in probiotic products

Frontiers in Microbiology
IntroductionThe fundamental step in microbiological detection is the preparation of culture medium. The reliability and accuracy of microbiological assay heavily relies on this step. Currently in China, the most recognized standard method for such medium
Wen Cui, Liang Zhao, Yuwen Shi, Wei Feng, Xiao Chen, Hui Liu   +5 more
doaj   +1 more source

Research Concerning Use of Long-Term Preservation Techniques for Microorganisms

Scientific Papers Animal Science and Biotechnologies, 2023
From the large number of methods used for storage of microorganisms, the more effective methods are long-term cryopreservation and lyophilization. The temperature change rate, controls transport of water around cell membranes and indirectly likelihood of
Adriana Criste, Mihaela Giuburuncă, Octavian Negrea, Sorin Dan, Marius Zăhan   +4 more
doaj  

Improved X‐ray diffraction from Bacillus megaterium penicillin G acylase crystals through long cryosoaking dehydration [PDF]

, 2011
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/89569/1/S1744309111040462 ...
Abergel, Alkema, Alkema, Balasingham, Barbero, Benvenuti, Bruggink, Brünger, Catleya Rojviriya, Chandel, Chayen, Chiang, Chitnumsub, Cole, D'Arcy, Dodson, Done, Duggleby, Elander, Esnouf, Gabor, Gabor, Giordano, Gonçalves, Haebel, Heras, Heras, Jirundon Yuvaniyama, Klei, Kresse, Kuo, Laemmli, Mark A. Saper, Martín, Matthews, McVey, Navaza, Ohashi, Panbangred, Pflugrath, Rajendhran, Sam, Thunyaluck Pratumrat, Verhaert, Wang, Winn, Yang, Youshko   +47 more
core   +1 more source

Cryopreservation of Spermatozoa Prior and Post‐Orchiectomy in Patients With Testicular Germ Cell Cancer—Does the Timing Matter?

Andrology, EarlyView.
ABSTRACT Background Testicular germ cell cancer (TGCC) is the most frequent malignancy in young men of reproductive age. According to guidelines, semen cryopreservation should be performed prior to orchiectomy. Lack of time and local facilities as well as mental pressure are challenges in terms of fertility preservation before surgery.
Yuhe Tang, Gerald Pühse, Sabine Kliesch, Jann‐Frederik Cremers, Maria Schubert   +4 more
wiley   +1 more source

ÍNDICE DE PRENHEZ COM SÊMEN CONGELADO DE GARANHÕES DA RAÇA CRIOULA USANDO GLICEROL OU DIMETILFORMAMIDA COMO CRIOPROTETORES

Ciência Animal Brasileira, 2013
Pregnancy rates using stallions’s frozen semen are variable; moreover, some breeds present low freezability. One hundred and four (104) mares were inseminated and separeted into two experiments to evaluate fertility of frozen semen’s of Criollo ...
Rodrigo Arruda Oliveira, Mara Iolanda Batistella Rubin, Carlos Antonio Mondino Silva   +2 more
doaj   +1 more source

Effect of different cryoprotectants on the structural preservation of follicles in frozen zebu bovine (Bos indicus) ovarian tissue [PDF]

, 2004
Cryopreservation of ovarian tissue is a new and promising technique for germ-line storage. The objective of this study was to evaluate the effect of four cryoprotectants (at two concentrations each) on the preservation of zebu bovine preantral follicles ...
Báo, Sônia Nair, Kacinskis, Mirella Ávila, Lopes, Luiz Henrique R, Lucci, Carolina Madeira, Rumpf, Rodolfo   +4 more
core   +1 more source

Sperm Sexing in Selected Animals and Humans: Methods, Applications, and Future Prospects

Andrology, EarlyView.
ABSTRACT Background Sperm sexing is a technique that enables the selection of offspring sex by sorting spermatozoa based on their sex chromosomes. This technology has gained increasing attention due to its potential applications in both animal breeding and human‐assisted reproduction.
Domrazek Kinga, Jurka Piotr
wiley   +1 more source

Development and Mechanistic Insights into Lyoprotective Technology for Akkermansia muciniphila Live Biotherapeutic Products

Shipin gongye ke-ji
To explore the optimal combination of lyoprotective agents for effectively enhancing the viability of Akkermansia muciniphila (Akk) and elucidating the underlying mechanisms.
Yuanzhi XU, Hongxiao SUN, Yanwei ZHANG, Ziyan HAN, Qinggang XIE, Xiaoxi XU   +5 more
doaj   +1 more source